git.delta.rocks / unique-network / refs/commits / 06fedd8bc031

difftreelog

Merge branch 'develop' into tests/eth-helpers

Max Andreev2022-12-23parents: #eef02b7 #ceb8459.patch.diff
in: master

60 files changed

modifiedcrates/evm-coder/procedural/src/abi_derive/derive_enum.rsdiffbeforeafterboth
--- a/crates/evm-coder/procedural/src/abi_derive/derive_enum.rs
+++ b/crates/evm-coder/procedural/src/abi_derive/derive_enum.rs
@@ -1,20 +1,52 @@
 use quote::quote;
 
+use super::extract_docs;
+
 pub fn impl_solidity_option<'a>(
+	docs: Vec<String>,
 	name: &proc_macro2::Ident,
-	enum_options: impl Iterator<Item = &'a syn::Ident>,
+	enum_options: impl Iterator<Item = &'a syn::Variant> + Clone,
 ) -> proc_macro2::TokenStream {
-	let enum_options = enum_options.map(|opt| {
+	let variant_names = enum_options.clone().map(|opt| {
+		let opt = &opt.ident;
 		let s = name.to_string() + "." + opt.to_string().as_str();
 		let as_string = proc_macro2::Literal::string(s.as_str());
 		quote!(#name::#opt => #as_string,)
 	});
+	let solidity_name = name.to_string();
+
+	let solidity_fields = enum_options.map(|v| {
+		let docs = extract_docs(&v.attrs).expect("TODO: handle bad docs");
+		let name = v.ident.to_string();
+		quote! {
+			SolidityEnumVariant {
+				docs: &[#(#docs),*],
+				name: #name,
+			}
+		}
+	});
+
 	quote!(
 		#[cfg(feature = "stubgen")]
-		impl ::evm_coder::solidity::SolidityEnum for #name {
+		impl ::evm_coder::solidity::SolidityEnumTy for #name {
+			fn generate_solidity_interface(tc: &evm_coder::solidity::TypeCollector) -> String {
+				use evm_coder::solidity::*;
+				use core::fmt::Write;
+				let interface = SolidityEnum {
+					docs: &[#(#docs),*],
+					name: #solidity_name,
+					fields: &[#(
+						#solidity_fields,
+					)*],
+				};
+				let mut out = String::new();
+				let _ = interface.format(&mut out, tc);
+				tc.collect(out);
+				#solidity_name.to_string()
+			}
 			fn solidity_option(&self) -> &str {
 				match self {
-					#(#enum_options)*
+					#(#variant_names)*
 				}
 			}
 		}
@@ -23,11 +55,12 @@
 
 pub fn impl_enum_from_u8<'a>(
 	name: &proc_macro2::Ident,
-	enum_options: impl Iterator<Item = &'a syn::Ident>,
+	enum_options: impl Iterator<Item = &'a syn::Variant>,
 ) -> proc_macro2::TokenStream {
 	let error_str = format!("Value not convertible into enum \"{name}\"");
 	let error_str = proc_macro2::Literal::string(&error_str);
 	let enum_options = enum_options.enumerate().map(|(i, opt)| {
+		let opt = &opt.ident;
 		let n = proc_macro2::Literal::u8_suffixed(i as u8);
 		quote! {#n => Ok(#name::#opt),}
 	});
@@ -93,7 +126,7 @@
 				writer: &mut impl ::core::fmt::Write,
 				tc: &::evm_coder::solidity::TypeCollector,
 			) -> ::core::fmt::Result {
-				write!(writer, "{}", tc.collect_struct::<Self>())
+				write!(writer, "{}", tc.collect_enum::<Self>())
 			}
 
 			fn is_simple() -> bool {
@@ -104,49 +137,7 @@
 				writer: &mut impl ::core::fmt::Write,
 				tc: &::evm_coder::solidity::TypeCollector,
 			) -> ::core::fmt::Result {
-				write!(writer, "{}", <#name as ::evm_coder::solidity::SolidityEnum>::solidity_option(&<#name>::default()))
-			}
-		}
-	)
-}
-
-pub fn impl_enum_solidity_struct_collect<'a>(
-	name: &syn::Ident,
-	enum_options: impl Iterator<Item = &'a syn::Ident>,
-	option_count: usize,
-	enum_options_docs: impl Iterator<Item = syn::Result<Vec<proc_macro2::TokenStream>>>,
-	docs: &[proc_macro2::TokenStream],
-) -> proc_macro2::TokenStream {
-	let string_name = name.to_string();
-	let enum_options = enum_options
-		.zip(enum_options_docs)
-		.enumerate()
-		.map(|(i, (opt, doc))| {
-			let opt = proc_macro2::Literal::string(opt.to_string().as_str());
-			let doc = doc.expect("Doc parsing error");
-			let comma = if i != option_count - 1 { "," } else { "" };
-			quote! {
-				#(#doc)*
-				writeln!(str, "\t{}{}", #opt, #comma).expect("Enum format option");
-			}
-		});
-
-	quote!(
-		#[cfg(feature = "stubgen")]
-		impl ::evm_coder::solidity::StructCollect for #name {
-			fn name() -> String {
-				#string_name.into()
-			}
-
-			fn declaration() -> String {
-				use std::fmt::Write;
-
-				let mut str = String::new();
-				#(#docs)*
-				writeln!(str, "enum {} {{", <Self as ::evm_coder::solidity::StructCollect>::name()).unwrap();
-				#(#enum_options)*
-				writeln!(str, "}}").unwrap();
-				str
+				write!(writer, "{}", <#name as ::evm_coder::solidity::SolidityEnumTy>::solidity_option(&<#name>::default()))
 			}
 		}
 	)
modifiedcrates/evm-coder/procedural/src/abi_derive/derive_struct.rsdiffbeforeafterboth
--- a/crates/evm-coder/procedural/src/abi_derive/derive_struct.rs
+++ b/crates/evm-coder/procedural/src/abi_derive/derive_struct.rs
@@ -1,5 +1,6 @@
 use super::extract_docs;
 use quote::quote;
+use syn::Field;
 
 pub fn tuple_type<'a>(
 	field_types: impl Iterator<Item = &'a syn::Type> + Clone,
@@ -87,10 +88,6 @@
 	&field.ty
 }
 
-pub fn map_field_to_doc(field: &syn::Field) -> syn::Result<Vec<proc_macro2::TokenStream>> {
-	extract_docs(&field.attrs, true)
-}
-
 pub fn impl_can_be_placed_in_vec(ident: &syn::Ident) -> proc_macro2::TokenStream {
 	quote! {
 		impl ::evm_coder::sealed::CanBePlacedInVec for #ident {}
@@ -147,27 +144,44 @@
 
 pub fn impl_struct_solidity_type<'a>(
 	name: &syn::Ident,
-	field_types: impl Iterator<Item = &'a syn::Type> + Clone,
-	params_count: usize,
+	docs: Vec<String>,
+	fields: impl Iterator<Item = &'a Field> + Clone,
 ) -> proc_macro2::TokenStream {
-	let len = proc_macro2::Literal::usize_suffixed(params_count);
+	let solidity_name = name.to_string();
+	let solidity_fields = fields.enumerate().map(|(i, f)| {
+		let name = f
+			.ident
+			.as_ref()
+			.map(|i| i.to_string())
+			.unwrap_or_else(|| format!("field_{i}"));
+		let ty = &f.ty;
+		let docs = extract_docs(&f.attrs).expect("TODO: handle bad docs");
+		quote! {
+			SolidityStructField::<#ty> {
+				docs: &[#(#docs),*],
+				name: #name,
+				ty: ::core::marker::PhantomData,
+			}
+		}
+	});
 	quote! {
 		#[cfg(feature = "stubgen")]
-		impl ::evm_coder::solidity::SolidityType for #name {
-			fn names(tc: &::evm_coder::solidity::TypeCollector) -> Vec<String> {
-				let mut collected =
-					Vec::with_capacity(<Self as ::evm_coder::solidity::SolidityType>::len());
-				#({
-					let mut out = String::new();
-					<#field_types as ::evm_coder::solidity::SolidityTypeName>::solidity_name(&mut out, tc)
-						.expect("no fmt error");
-					collected.push(out);
-				})*
-				collected
-			}
-
-			fn len() -> usize {
-				#len
+		impl ::evm_coder::solidity::SolidityStructTy for #name {
+			/// Generate solidity definitions for methods described in this struct
+			fn generate_solidity_interface(tc: &evm_coder::solidity::TypeCollector) -> String {
+				use evm_coder::solidity::*;
+				use core::fmt::Write;
+				let interface = SolidityStruct {
+					docs: &[#(#docs),*],
+					name: #solidity_name,
+					fields: (#(
+						#solidity_fields,
+					)*),
+				};
+				let mut out = String::new();
+				let _ = interface.format(&mut out, tc);
+				tc.collect(out);
+				#solidity_name.to_string()
 			}
 		}
 	}
@@ -214,47 +228,4 @@
 			}
 		}
 	}
-}
-
-pub fn impl_struct_solidity_struct_collect<'a>(
-	name: &syn::Ident,
-	field_names: impl Iterator<Item = proc_macro2::Ident> + Clone,
-	field_types: impl Iterator<Item = &'a syn::Type> + Clone,
-	field_docs: impl Iterator<Item = syn::Result<Vec<proc_macro2::TokenStream>>> + Clone,
-	docs: &[proc_macro2::TokenStream],
-) -> syn::Result<proc_macro2::TokenStream> {
-	let string_name = name.to_string();
-	let name_type = field_names
-		.into_iter()
-		.zip(field_types)
-		.zip(field_docs)
-		.map(|((name, ty), doc)| {
-			let field_docs = doc.expect("Doc parse error");
-			let name = format!("{}", name);
-			quote!(
-				#(#field_docs)*
-				write!(str, "\t{} ", <#ty as ::evm_coder::solidity::StructCollect>::name()).unwrap();
-				writeln!(str, "{};", #name).unwrap();
-			)
-		});
-
-	Ok(quote! {
-		#[cfg(feature = "stubgen")]
-		impl ::evm_coder::solidity::StructCollect for #name {
-			fn name() -> String {
-				#string_name.into()
-			}
-
-			fn declaration() -> String {
-				use std::fmt::Write;
-
-				let mut str = String::new();
-				#(#docs)*
-				writeln!(str, "struct {} {{", Self::name()).unwrap();
-				#(#name_type)*
-				writeln!(str, "}}").unwrap();
-				str
-			}
-		}
-	})
 }
modifiedcrates/evm-coder/procedural/src/abi_derive/mod.rsdiffbeforeafterboth
--- a/crates/evm-coder/procedural/src/abi_derive/mod.rs
+++ b/crates/evm-coder/procedural/src/abi_derive/mod.rs
@@ -19,20 +19,18 @@
 	ast: &syn::DeriveInput,
 ) -> syn::Result<proc_macro2::TokenStream> {
 	let name = &ast.ident;
-	let docs = extract_docs(&ast.attrs, false)?;
-	let (is_named_fields, field_names, field_types, field_docs, params_count) = match ds.fields {
+	let docs = extract_docs(&ast.attrs)?;
+	let (is_named_fields, field_names, field_types, params_count) = match ds.fields {
 		syn::Fields::Named(ref fields) => Ok((
 			true,
 			fields.named.iter().enumerate().map(map_field_to_name),
 			fields.named.iter().map(map_field_to_type),
-			fields.named.iter().map(map_field_to_doc),
 			fields.named.len(),
 		)),
 		syn::Fields::Unnamed(ref fields) => Ok((
 			false,
 			fields.unnamed.iter().enumerate().map(map_field_to_name),
 			fields.unnamed.iter().map(map_field_to_type),
-			fields.unnamed.iter().map(map_field_to_doc),
 			fields.unnamed.len(),
 		)),
 		syn::Fields::Unit => Err(syn::Error::new(name.span(), "Unit structs not supported")),
@@ -52,11 +50,9 @@
 	let abi_type = impl_struct_abi_type(name, tuple_type.clone());
 	let abi_read = impl_struct_abi_read(name, tuple_type, tuple_names, struct_from_tuple);
 	let abi_write = impl_struct_abi_write(name, is_named_fields, tuple_ref_type, tuple_data);
-	let solidity_type = impl_struct_solidity_type(name, field_types.clone(), params_count);
+	let solidity_type = impl_struct_solidity_type(name, docs, ds.fields.iter());
 	let solidity_type_name =
 		impl_struct_solidity_type_name(name, field_types.clone(), params_count);
-	let solidity_struct_collect =
-		impl_struct_solidity_struct_collect(name, field_names, field_types, field_docs, &docs)?;
 
 	Ok(quote! {
 		#can_be_plcaed_in_vec
@@ -65,7 +61,6 @@
 		#abi_write
 		#solidity_type
 		#solidity_type_name
-		#solidity_struct_collect
 	})
 }
 
@@ -75,25 +70,16 @@
 ) -> syn::Result<proc_macro2::TokenStream> {
 	let name = &ast.ident;
 	check_repr_u8(name, &ast.attrs)?;
-	let docs = extract_docs(&ast.attrs, false)?;
-	let option_count = check_and_count_options(de)?;
-	let enum_options = de.variants.iter().map(|v| &v.ident);
-	let enum_options_docs = de.variants.iter().map(|v| extract_docs(&v.attrs, true));
+	let docs = extract_docs(&ast.attrs)?;
+	let enum_options = de.variants.iter();
 
 	let from = impl_enum_from_u8(name, enum_options.clone());
-	let solidity_option = impl_solidity_option(name, enum_options.clone());
+	let solidity_option = impl_solidity_option(docs, name, enum_options.clone());
 	let can_be_plcaed_in_vec = impl_can_be_placed_in_vec(name);
 	let abi_type = impl_enum_abi_type(name);
 	let abi_read = impl_enum_abi_read(name);
 	let abi_write = impl_enum_abi_write(name);
 	let solidity_type_name = impl_enum_solidity_type_name(name);
-	let solidity_struct_collect = impl_enum_solidity_struct_collect(
-		name,
-		enum_options,
-		option_count,
-		enum_options_docs,
-		&docs,
-	);
 
 	Ok(quote! {
 		#from
@@ -103,14 +89,10 @@
 		#abi_read
 		#abi_write
 		#solidity_type_name
-		#solidity_struct_collect
 	})
 }
 
-fn extract_docs(
-	attrs: &[syn::Attribute],
-	is_field_doc: bool,
-) -> syn::Result<Vec<proc_macro2::TokenStream>> {
+fn extract_docs(attrs: &[syn::Attribute]) -> syn::Result<Vec<String>> {
 	attrs
 		.iter()
 		.filter_map(|attr| {
@@ -130,16 +112,6 @@
 				}
 			}
 			None
-		})
-		.enumerate()
-		.map(|(i, doc)| {
-			let doc = doc?;
-			let doc = doc.trim();
-			let dev = if i == 0 { " @dev" } else { "" };
-			let tab = if is_field_doc { "\t" } else { "" };
-			Ok(quote! {
-				writeln!(str, "{}///{} {}", #tab, #dev, #doc).unwrap();
-			})
 		})
 		.collect()
 }
modifiedcrates/evm-coder/src/abi/impls.rsdiffbeforeafterboth
--- a/crates/evm-coder/src/abi/impls.rs
+++ b/crates/evm-coder/src/abi/impls.rs
@@ -135,41 +135,6 @@
 	}
 }
 
-impl sealed::CanBePlacedInVec for Property {}
-
-impl AbiType for Property {
-	const SIGNATURE: SignatureUnit = make_signature!(new fixed("(string,bytes)"));
-
-	fn is_dynamic() -> bool {
-		string::is_dynamic() || bytes::is_dynamic()
-	}
-
-	fn size() -> usize {
-		<string as AbiType>::size() + <bytes as AbiType>::size()
-	}
-}
-
-impl AbiRead for Property {
-	fn abi_read(reader: &mut AbiReader) -> Result<Property> {
-		let size = if !Property::is_dynamic() {
-			Some(<Property as AbiType>::size())
-		} else {
-			None
-		};
-		let mut subresult = reader.subresult(size)?;
-		let key = <string>::abi_read(&mut subresult)?;
-		let value = <bytes>::abi_read(&mut subresult)?;
-
-		Ok(Property { key, value })
-	}
-}
-
-impl AbiWrite for Property {
-	fn abi_write(&self, writer: &mut AbiWriter) {
-		(&self.key, &self.value).abi_write(writer);
-	}
-}
-
 impl<T: AbiWrite + AbiType> AbiWrite for Vec<T> {
 	fn abi_write(&self, writer: &mut AbiWriter) {
 		let is_dynamic = T::is_dynamic();
modifiedcrates/evm-coder/src/lib.rsdiffbeforeafterboth
--- a/crates/evm-coder/src/lib.rs
+++ b/crates/evm-coder/src/lib.rs
@@ -196,12 +196,6 @@
 			self.len() == 0
 		}
 	}
-
-	#[derive(Debug, Default)]
-	pub struct Property {
-		pub key: string,
-		pub value: bytes,
-	}
 }
 
 /// Parseable EVM call, this trait should be implemented with [`solidity_interface`] macro
modifiedcrates/evm-coder/src/solidity/impls.rsdiffbeforeafterboth
--- a/crates/evm-coder/src/solidity/impls.rs
+++ b/crates/evm-coder/src/solidity/impls.rs
@@ -1,4 +1,4 @@
-use super::{TypeCollector, SolidityTypeName, SolidityType, StructCollect};
+use super::{TypeCollector, SolidityTypeName, SolidityTupleTy};
 use crate::{sealed, types::*};
 use core::fmt;
 use primitive_types::{U256, H160};
@@ -17,16 +17,6 @@
 					write!(writer, $default)
 				}
             }
-
-			impl StructCollect for $ty {
-				fn name() -> String {
-					$name.to_string()
-				}
-
-				fn declaration() -> String {
-					String::default()
-				}
-			}
         )*
     };
 }
@@ -81,8 +71,8 @@
 
 macro_rules! impl_tuples {
 	($($ident:ident)+) => {
-		impl<$($ident: SolidityTypeName + 'static),+> SolidityType for ($($ident,)+) {
-			fn names(tc: &TypeCollector) -> Vec<string> {
+		impl<$($ident: SolidityTypeName + 'static),+> SolidityTupleTy for ($($ident,)+) {
+			fn fields(tc: &TypeCollector) -> Vec<string> {
 				let mut collected = Vec::with_capacity(Self::len());
 				$({
 					let mut out = string::new();
@@ -131,60 +121,3 @@
 impl_tuples! {A B C D E F G H}
 impl_tuples! {A B C D E F G H I}
 impl_tuples! {A B C D E F G H I J}
-
-impl StructCollect for Property {
-	fn name() -> String {
-		"Property".into()
-	}
-
-	fn declaration() -> String {
-		use std::fmt::Write;
-
-		let mut str = String::new();
-		writeln!(str, "/// @dev Property struct").unwrap();
-		writeln!(str, "struct {} {{", Self::name()).unwrap();
-		writeln!(str, "\tstring key;").unwrap();
-		writeln!(str, "\tbytes value;").unwrap();
-		writeln!(str, "}}").unwrap();
-		str
-	}
-}
-
-impl SolidityTypeName for Property {
-	fn solidity_name(writer: &mut impl fmt::Write, tc: &TypeCollector) -> fmt::Result {
-		write!(writer, "{}", tc.collect_struct::<Self>())
-	}
-
-	fn is_simple() -> bool {
-		false
-	}
-
-	fn solidity_default(writer: &mut impl fmt::Write, tc: &TypeCollector) -> fmt::Result {
-		write!(writer, "{}(", tc.collect_struct::<Self>())?;
-		address::solidity_default(writer, tc)?;
-		write!(writer, ",")?;
-		uint256::solidity_default(writer, tc)?;
-		write!(writer, ")")
-	}
-}
-
-impl SolidityType for Property {
-	fn names(tc: &TypeCollector) -> Vec<string> {
-		let mut collected = Vec::with_capacity(Self::len());
-		{
-			let mut out = string::new();
-			string::solidity_name(&mut out, tc).expect("no fmt error");
-			collected.push(out);
-		}
-		{
-			let mut out = string::new();
-			bytes::solidity_name(&mut out, tc).expect("no fmt error");
-			collected.push(out);
-		}
-		collected
-	}
-
-	fn len() -> usize {
-		2
-	}
-}
modifiedcrates/evm-coder/src/solidity/mod.rsdiffbeforeafterboth
--- a/crates/evm-coder/src/solidity/mod.rs
+++ b/crates/evm-coder/src/solidity/mod.rs
@@ -44,6 +44,7 @@
 	/// id ordering is required to perform topo-sort on the resulting data
 	structs: RefCell<BTreeMap<string, usize>>,
 	anonymous: RefCell<BTreeMap<Vec<string>, usize>>,
+	// generic: RefCell<BTreeMap<string, usize>>,
 	id: Cell<usize>,
 }
 impl TypeCollector {
@@ -59,8 +60,9 @@
 		self.id.set(v + 1);
 		v
 	}
-	pub fn collect_tuple<T: SolidityType>(&self) -> String {
-		let names = T::names(self);
+	/// Collect typle, deduplicating it by type, and returning generated name
+	pub fn collect_tuple<T: SolidityTupleTy>(&self) -> String {
+		let names = T::fields(self);
 		if let Some(id) = self.anonymous.borrow().get(&names).cloned() {
 			return format!("Tuple{}", id);
 		}
@@ -76,9 +78,11 @@
 		self.anonymous.borrow_mut().insert(names, id);
 		format!("Tuple{}", id)
 	}
-	pub fn collect_struct<T: StructCollect>(&self) -> String {
-		self.collect(<T as StructCollect>::declaration());
-		<T as StructCollect>::name()
+	pub fn collect_struct<T: SolidityStructTy>(&self) -> String {
+		T::generate_solidity_interface(self)
+	}
+	pub fn collect_enum<T: SolidityEnumTy>(&self) -> String {
+		T::generate_solidity_interface(self)
 	}
 	pub fn finish(self) -> Vec<string> {
 		let mut data = self.structs.into_inner().into_iter().collect::<Vec<_>>();
@@ -419,3 +423,93 @@
 		writeln!(writer, ");")
 	}
 }
+
+#[impl_for_tuples(0, 48)]
+impl SolidityItems for Tuple {
+	for_tuples!( where #( Tuple: SolidityItems ),* );
+
+	fn solidity_name(&self, writer: &mut impl fmt::Write, tc: &TypeCollector) -> fmt::Result {
+		for_tuples!( #(
+            Tuple.solidity_name(writer, tc)?;
+        )* );
+		Ok(())
+	}
+}
+
+pub struct SolidityStructField<T> {
+	pub docs: &'static [&'static str],
+	pub name: &'static str,
+	pub ty: PhantomData<*const T>,
+}
+
+impl<T> SolidityItems for SolidityStructField<T>
+where
+	T: SolidityTypeName,
+{
+	fn solidity_name(&self, out: &mut impl fmt::Write, tc: &TypeCollector) -> fmt::Result {
+		for doc in self.docs {
+			writeln!(out, "///{}", doc)?;
+		}
+		write!(out, "\t")?;
+		T::solidity_name(out, tc)?;
+		writeln!(out, " {};", self.name)?;
+		Ok(())
+	}
+}
+pub struct SolidityStruct<F> {
+	pub docs: &'static [&'static str],
+	// pub generics:
+	pub name: &'static str,
+	pub fields: F,
+}
+impl<F> SolidityStruct<F>
+where
+	F: SolidityItems,
+{
+	pub fn format(&self, out: &mut impl fmt::Write, tc: &TypeCollector) -> fmt::Result {
+		for doc in self.docs {
+			writeln!(out, "///{}", doc)?;
+		}
+		writeln!(out, "struct {} {{", self.name)?;
+		self.fields.solidity_name(out, tc)?;
+		writeln!(out, "}}")?;
+		Ok(())
+	}
+}
+
+pub struct SolidityEnumVariant {
+	pub docs: &'static [&'static str],
+	pub name: &'static str,
+}
+impl SolidityItems for SolidityEnumVariant {
+	fn solidity_name(&self, out: &mut impl fmt::Write, _tc: &TypeCollector) -> fmt::Result {
+		for doc in self.docs {
+			writeln!(out, "///{}", doc)?;
+		}
+		write!(out, "\t{}", self.name)?;
+		Ok(())
+	}
+}
+pub struct SolidityEnum {
+	pub docs: &'static [&'static str],
+	pub name: &'static str,
+	pub fields: &'static [SolidityEnumVariant],
+}
+impl SolidityEnum {
+	pub fn format(&self, out: &mut impl fmt::Write, tc: &TypeCollector) -> fmt::Result {
+		for doc in self.docs {
+			writeln!(out, "///{}", doc)?;
+		}
+		write!(out, "enum {} {{", self.name)?;
+		for (i, field) in self.fields.iter().enumerate() {
+			if i != 0 {
+				write!(out, ",")?;
+			}
+			writeln!(out)?;
+			field.solidity_name(out, tc)?;
+		}
+		writeln!(out)?;
+		writeln!(out, "}}")?;
+		Ok(())
+	}
+}
modifiedcrates/evm-coder/src/solidity/traits.rsdiffbeforeafterboth
--- a/crates/evm-coder/src/solidity/traits.rs
+++ b/crates/evm-coder/src/solidity/traits.rs
@@ -1,17 +1,6 @@
 use super::TypeCollector;
 use core::fmt;
 
-pub trait StructCollect: 'static {
-	/// Structure name.
-	fn name() -> String;
-	/// Structure declaration.
-	fn declaration() -> String;
-}
-
-pub trait SolidityEnum: 'static {
-	fn solidity_option(&self) -> &str;
-}
-
 pub trait SolidityTypeName: 'static {
 	fn solidity_name(writer: &mut impl fmt::Write, tc: &TypeCollector) -> fmt::Result;
 	/// "simple" types are stored inline, no `memory` modifier should be used in solidity
@@ -23,10 +12,17 @@
 	}
 }
 
-pub trait SolidityType {
-	fn names(tc: &TypeCollector) -> Vec<String>;
+pub trait SolidityTupleTy: 'static {
+	fn fields(tc: &TypeCollector) -> Vec<String>;
 	fn len() -> usize;
 }
+pub trait SolidityStructTy: 'static {
+	fn generate_solidity_interface(tc: &TypeCollector) -> String;
+}
+pub trait SolidityEnumTy: 'static {
+	fn generate_solidity_interface(tc: &TypeCollector) -> String;
+	fn solidity_option(&self) -> &str;
+}
 
 pub trait SolidityArguments {
 	fn solidity_name(&self, writer: &mut impl fmt::Write, tc: &TypeCollector) -> fmt::Result;
@@ -46,3 +42,9 @@
 		tc: &TypeCollector,
 	) -> fmt::Result;
 }
+
+pub trait SolidityItems {
+	fn solidity_name(&self, writer: &mut impl fmt::Write, tc: &TypeCollector) -> fmt::Result;
+	// For PhantomData fields
+	// fn is_void()
+}
modifiedcrates/evm-coder/tests/abi_derive_generation.rsdiffbeforeafterboth
--- a/crates/evm-coder/tests/abi_derive_generation.rs
+++ b/crates/evm-coder/tests/abi_derive_generation.rs
@@ -74,32 +74,6 @@
 	}
 
 	#[test]
-	#[cfg(feature = "stubgen")]
-	fn struct_collect_type_struct3_derived_mixed_param() {
-		assert_eq!(
-			<TypeStruct3DerivedMixedParam as ::evm_coder::solidity::StructCollect>::name(),
-			"TypeStruct3DerivedMixedParam"
-		);
-		similar_asserts::assert_eq!(
-			<TypeStruct3DerivedMixedParam as ::evm_coder::solidity::StructCollect>::declaration(),
-			r#"/// @dev Some docs
-/// At multi
-/// line
-struct TypeStruct3DerivedMixedParam {
-	/// @dev Docs for A
-	/// multi
-	/// line
-	TypeStruct1SimpleParam _a;
-	/// @dev Docs for B
-	TypeStruct2DynamicParam _b;
-	/// @dev Docs for C
-	TypeStruct2MixedParam _c;
-}
-"#
-		);
-	}
-
-	#[test]
 	fn impl_abi_type_signature() {
 		assert_eq!(
 			<TypeStruct1SimpleParam as evm_coder::abi::AbiType>::SIGNATURE
@@ -292,31 +266,6 @@
 		/// Docs for C
 		TupleStruct2MixedParam,
 	);
-
-	#[test]
-	#[cfg(feature = "stubgen")]
-	fn struct_collect_tuple_struct3_derived_mixed_param() {
-		assert_eq!(
-			<TupleStruct3DerivedMixedParam as ::evm_coder::solidity::StructCollect>::name(),
-			"TupleStruct3DerivedMixedParam"
-		);
-		similar_asserts::assert_eq!(
-			<TupleStruct3DerivedMixedParam as ::evm_coder::solidity::StructCollect>::declaration(),
-			r#"/// @dev Some docs
-/// At multi
-/// line
-struct TupleStruct3DerivedMixedParam {
-	/// @dev Docs for A
-	/// multi
-	/// line
-	TupleStruct1SimpleParam field0;
-	TupleStruct2DynamicParam field1;
-	/// @dev Docs for C
-	TupleStruct2MixedParam field2;
-}
-"#
-		);
-	}
 
 	#[test]
 	fn impl_abi_type_signature_same_for_structs() {
@@ -812,30 +761,5 @@
 				<Color as evm_coder::abi::AbiRead>::abi_read(&mut decoder).unwrap();
 			assert_eq!(restored_enum_data, Color::Green);
 		}
-	}
-
-	#[test]
-	#[cfg(feature = "stubgen")]
-	fn struct_collect_enum() {
-		assert_eq!(
-			<Color as ::evm_coder::solidity::StructCollect>::name(),
-			"Color"
-		);
-		similar_asserts::assert_eq!(
-			<Color as ::evm_coder::solidity::StructCollect>::declaration(),
-			r#"/// @dev Some docs
-/// At multi
-/// line
-enum Color {
-	/// @dev Docs for Red
-	/// multi
-	/// line
-	Red,
-	Green,
-	/// @dev Docs for Blue
-	Blue
-}
-"#
-		);
 	}
 }
modifiedpallets/common/src/erc.rsdiffbeforeafterboth
--- a/pallets/common/src/erc.rs
+++ b/pallets/common/src/erc.rs
@@ -21,7 +21,6 @@
 	abi::AbiType,
 	solidity_interface, solidity, ToLog,
 	types::*,
-	types::Property as PropertyStruct,
 	execution::{Result, Error},
 	weight,
 };
@@ -31,15 +30,9 @@
 	AccessMode, CollectionMode, CollectionPermissions, OwnerRestrictedSet, Property,
 	SponsoringRateLimit, SponsorshipState,
 };
-use alloc::format;
 
 use crate::{
-	Pallet, CollectionHandle, Config, CollectionProperties, SelfWeightOf,
-	eth::{
-		EthCrossAccount, CollectionPermissions as EvmPermissions,
-		CollectionLimits as EvmCollectionLimits,
-	},
-	weights::WeightInfo,
+	Pallet, CollectionHandle, Config, CollectionProperties, SelfWeightOf, eth, weights::WeightInfo,
 };
 
 /// Events for ethereum collection helper.
@@ -123,21 +116,13 @@
 	fn set_collection_properties(
 		&mut self,
 		caller: caller,
-		properties: Vec<PropertyStruct>,
+		properties: Vec<eth::Property>,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
 
 		let properties = properties
 			.into_iter()
-			.map(|PropertyStruct { key, value }| {
-				let key = <Vec<u8>>::from(key)
-					.try_into()
-					.map_err(|_| "key too large")?;
-
-				let value = value.0.try_into().map_err(|_| "value too large")?;
-
-				Ok(Property { key, value })
-			})
+			.map(eth::Property::try_into)
 			.collect::<Result<Vec<_>>>()?;
 
 		<Pallet<T>>::set_collection_properties(self, &caller, properties)
@@ -197,7 +182,7 @@
 	///
 	/// @param keys Properties keys. Empty keys for all propertyes.
 	/// @return Vector of properties key/value pairs.
-	fn collection_properties(&self, keys: Vec<string>) -> Result<Vec<PropertyStruct>> {
+	fn collection_properties(&self, keys: Vec<string>) -> Result<Vec<eth::Property>> {
 		let keys = keys
 			.into_iter()
 			.map(|key| {
@@ -215,12 +200,7 @@
 
 		let properties = properties
 			.into_iter()
-			.map(|p| {
-				let key =
-					string::from_utf8(p.key.into()).map_err(|e| Error::Revert(format!("{}", e)))?;
-				let value = bytes(p.value.to_vec());
-				Ok(PropertyStruct { key, value })
-			})
+			.map(Property::try_into)
 			.collect::<Result<Vec<_>>>()?;
 		Ok(properties)
 	}
@@ -249,7 +229,7 @@
 	fn set_collection_sponsor_cross(
 		&mut self,
 		caller: caller,
-		sponsor: EthCrossAccount,
+		sponsor: eth::CrossAddress,
 	) -> Result<void> {
 		self.consume_store_reads_and_writes(1, 1)?;
 
@@ -289,103 +269,65 @@
 	/// Get current sponsor.
 	///
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
-	fn collection_sponsor(&self) -> Result<EthCrossAccount> {
+	fn collection_sponsor(&self) -> Result<eth::CrossAddress> {
 		let sponsor = match self.collection.sponsorship.sponsor() {
 			Some(sponsor) => sponsor,
 			None => return Ok(Default::default()),
 		};
 
-		Ok(EthCrossAccount::from_sub::<T>(&sponsor))
+		Ok(eth::CrossAddress::from_sub::<T>(&sponsor))
 	}
 
 	/// Get current collection limits.
 	///
-	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// Return `false` if a limit not set.
-	fn collection_limits(&self) -> Result<Vec<(EvmCollectionLimits, bool, uint256)>> {
-		let convert_value_limit = |limit: EvmCollectionLimits,
-		                           value: Option<u32>|
-		 -> (EvmCollectionLimits, bool, uint256) {
-			value
-				.map(|v| (limit, true, v.into()))
-				.unwrap_or((limit, false, Default::default()))
-		};
-
-		let convert_bool_limit = |limit: EvmCollectionLimits,
-		                          value: Option<bool>|
-		 -> (EvmCollectionLimits, bool, uint256) {
-			value
-				.map(|v| {
-					(
-						limit,
-						true,
-						if v {
-							uint256::from(1)
-						} else {
-							Default::default()
-						},
-					)
-				})
-				.unwrap_or((limit, false, Default::default()))
-		};
-
+	/// @return Array of collection limits
+	fn collection_limits(&self) -> Result<Vec<eth::CollectionLimit>> {
 		let limits = &self.collection.limits;
 
 		Ok(vec![
-			convert_value_limit(
-				EvmCollectionLimits::AccountTokenOwnership,
+			eth::CollectionLimit::new(
+				eth::CollectionLimitField::AccountTokenOwnership,
 				limits.account_token_ownership_limit,
 			),
-			convert_value_limit(
-				EvmCollectionLimits::SponsoredDataSize,
+			eth::CollectionLimit::new(
+				eth::CollectionLimitField::SponsoredDataSize,
 				limits.sponsored_data_size,
 			),
 			limits
 				.sponsored_data_rate_limit
 				.and_then(|limit| {
 					if let SponsoringRateLimit::Blocks(blocks) = limit {
-						Some((
-							EvmCollectionLimits::SponsoredDataRateLimit,
-							true,
-							blocks.into(),
+						Some(eth::CollectionLimit::new::<u32>(
+							eth::CollectionLimitField::SponsoredDataRateLimit,
+							blocks,
 						))
 					} else {
 						None
 					}
 				})
-				.unwrap_or((
-					EvmCollectionLimits::SponsoredDataRateLimit,
-					false,
+				.unwrap_or(eth::CollectionLimit::new::<u32>(
+					eth::CollectionLimitField::SponsoredDataRateLimit,
 					Default::default(),
 				)),
-			convert_value_limit(EvmCollectionLimits::TokenLimit, limits.token_limit),
-			convert_value_limit(
-				EvmCollectionLimits::SponsorTransferTimeout,
+			eth::CollectionLimit::new(eth::CollectionLimitField::TokenLimit, limits.token_limit),
+			eth::CollectionLimit::new(
+				eth::CollectionLimitField::SponsorTransferTimeout,
 				limits.sponsor_transfer_timeout,
 			),
-			convert_value_limit(
-				EvmCollectionLimits::SponsorApproveTimeout,
+			eth::CollectionLimit::new(
+				eth::CollectionLimitField::SponsorApproveTimeout,
 				limits.sponsor_approve_timeout,
 			),
-			convert_bool_limit(
-				EvmCollectionLimits::OwnerCanTransfer,
+			eth::CollectionLimit::new(
+				eth::CollectionLimitField::OwnerCanTransfer,
 				limits.owner_can_transfer,
 			),
-			convert_bool_limit(
-				EvmCollectionLimits::OwnerCanDestroy,
+			eth::CollectionLimit::new(
+				eth::CollectionLimitField::OwnerCanDestroy,
 				limits.owner_can_destroy,
 			),
-			convert_bool_limit(
-				EvmCollectionLimits::TransferEnabled,
+			eth::CollectionLimit::new(
+				eth::CollectionLimitField::TransferEnabled,
 				limits.transfers_enabled,
 			),
 		])
@@ -393,82 +335,21 @@
 
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
-	/// @param limit Name of the limit. Valid names:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// @param status enable\disable limit. Works only with `true`.
-	/// @param value Value of the limit.
+	/// @param limit Some limit.
 	#[solidity(rename_selector = "setCollectionLimit")]
 	fn set_collection_limit(
 		&mut self,
 		caller: caller,
-		limit: EvmCollectionLimits,
-		status: bool,
-		value: uint256,
+		limit: eth::CollectionLimit,
 	) -> Result<void> {
 		self.consume_store_reads_and_writes(1, 1)?;
 
-		if !status {
+		if !limit.has_value() {
 			return Err(Error::Revert("user can't disable limits".into()));
-		}
-
-		let value = value
-			.try_into()
-			.map_err(|_| Error::Revert(format!("can't convert value to u32 \"{}\"", value)))?;
-
-		let convert_value_to_bool = || match value {
-			0 => Ok(false),
-			1 => Ok(true),
-			_ => {
-				return Err(Error::Revert(format!(
-					"can't convert value to boolean \"{}\"",
-					value
-				)))
-			}
-		};
-
-		let mut limits = self.limits.clone();
-
-		match limit {
-			EvmCollectionLimits::AccountTokenOwnership => {
-				limits.account_token_ownership_limit = Some(value);
-			}
-			EvmCollectionLimits::SponsoredDataSize => {
-				limits.sponsored_data_size = Some(value);
-			}
-			EvmCollectionLimits::SponsoredDataRateLimit => {
-				limits.sponsored_data_rate_limit = Some(SponsoringRateLimit::Blocks(value));
-			}
-			EvmCollectionLimits::TokenLimit => {
-				limits.token_limit = Some(value);
-			}
-			EvmCollectionLimits::SponsorTransferTimeout => {
-				limits.sponsor_transfer_timeout = Some(value);
-			}
-			EvmCollectionLimits::SponsorApproveTimeout => {
-				limits.sponsor_approve_timeout = Some(value);
-			}
-			EvmCollectionLimits::OwnerCanTransfer => {
-				limits.owner_can_transfer = Some(convert_value_to_bool()?);
-			}
-			EvmCollectionLimits::OwnerCanDestroy => {
-				limits.owner_can_destroy = Some(convert_value_to_bool()?);
-			}
-			EvmCollectionLimits::TransferEnabled => {
-				limits.transfers_enabled = Some(convert_value_to_bool()?);
-			}
-			_ => return Err(Error::Revert(format!("unknown limit \"{:?}\"", limit))),
 		}
 
 		let caller = T::CrossAccountId::from_eth(caller);
-		<Pallet<T>>::update_limits(&caller, self, limits).map_err(dispatch_to_evm::<T>)
+		<Pallet<T>>::update_limits(&caller, self, limit.try_into()?).map_err(dispatch_to_evm::<T>)
 	}
 
 	/// Get contract address.
@@ -481,7 +362,7 @@
 	fn add_collection_admin_cross(
 		&mut self,
 		caller: caller,
-		new_admin: EthCrossAccount,
+		new_admin: eth::CrossAddress,
 	) -> Result<void> {
 		self.consume_store_reads_and_writes(2, 2)?;
 
@@ -496,7 +377,7 @@
 	fn remove_collection_admin_cross(
 		&mut self,
 		caller: caller,
-		admin: EthCrossAccount,
+		admin: eth::CrossAddress,
 	) -> Result<void> {
 		self.consume_store_reads_and_writes(2, 2)?;
 
@@ -595,10 +476,10 @@
 
 	/// Returns nesting for a collection
 	#[solidity(rename_selector = "collectionNestingRestrictedCollectionIds")]
-	fn collection_nesting_restricted_ids(&self) -> Result<(bool, Vec<uint256>)> {
+	fn collection_nesting_restricted_ids(&self) -> Result<eth::CollectionNesting> {
 		let nesting = self.collection.permissions.nesting();
 
-		Ok((
+		Ok(eth::CollectionNesting::new(
 			nesting.token_owner,
 			nesting
 				.restricted
@@ -609,11 +490,17 @@
 	}
 
 	/// Returns permissions for a collection
-	fn collection_nesting_permissions(&self) -> Result<Vec<(EvmPermissions, bool)>> {
+	fn collection_nesting_permissions(&self) -> Result<Vec<eth::CollectionNestingPermission>> {
 		let nesting = self.collection.permissions.nesting();
 		Ok(vec![
-			(EvmPermissions::CollectionAdmin, nesting.collection_admin),
-			(EvmPermissions::TokenOwner, nesting.token_owner),
+			eth::CollectionNestingPermission::new(
+				eth::CollectionPermissionField::CollectionAdmin,
+				nesting.collection_admin,
+			),
+			eth::CollectionNestingPermission::new(
+				eth::CollectionPermissionField::TokenOwner,
+				nesting.token_owner,
+			),
 		])
 	}
 	/// Set the collection access method.
@@ -638,7 +525,7 @@
 	/// Checks that user allowed to operate with collection.
 	///
 	/// @param user User address to check.
-	fn allowlisted_cross(&self, user: EthCrossAccount) -> Result<bool> {
+	fn allowlisted_cross(&self, user: eth::CrossAddress) -> Result<bool> {
 		let user = user.into_sub_cross_account::<T>()?;
 		Ok(Pallet::<T>::allowed(self.id, user))
 	}
@@ -662,7 +549,7 @@
 	fn add_to_collection_allow_list_cross(
 		&mut self,
 		caller: caller,
-		user: EthCrossAccount,
+		user: eth::CrossAddress,
 	) -> Result<void> {
 		self.consume_store_writes(1)?;
 
@@ -691,7 +578,7 @@
 	fn remove_from_collection_allow_list_cross(
 		&mut self,
 		caller: caller,
-		user: EthCrossAccount,
+		user: eth::CrossAddress,
 	) -> Result<void> {
 		self.consume_store_writes(1)?;
 
@@ -729,7 +616,7 @@
 	///
 	/// @param user User cross account to verify
 	/// @return "true" if account is the owner or admin
-	fn is_owner_or_admin_cross(&self, user: EthCrossAccount) -> Result<bool> {
+	fn is_owner_or_admin_cross(&self, user: eth::CrossAddress) -> Result<bool> {
 		let user = user.into_sub_cross_account::<T>()?;
 		Ok(self.is_owner_or_admin(&user))
 	}
@@ -750,8 +637,8 @@
 	///
 	/// @return Tuble with sponsor address and his substrate mirror.
 	/// If address is canonical then substrate mirror is zero and vice versa.
-	fn collection_owner(&self) -> Result<EthCrossAccount> {
-		Ok(EthCrossAccount::from_sub_cross_account::<T>(
+	fn collection_owner(&self) -> Result<eth::CrossAddress> {
+		Ok(eth::CrossAddress::from_sub_cross_account::<T>(
 			&T::CrossAccountId::from_sub(self.owner.clone()),
 		))
 	}
@@ -774,9 +661,9 @@
 	///
 	/// @return Vector of tuples with admins address and his substrate mirror.
 	/// If address is canonical then substrate mirror is zero and vice versa.
-	fn collection_admins(&self) -> Result<Vec<EthCrossAccount>> {
+	fn collection_admins(&self) -> Result<Vec<eth::CrossAddress>> {
 		let result = crate::IsAdmin::<T>::iter_prefix((self.id,))
-			.map(|(admin, _)| EthCrossAccount::from_sub_cross_account::<T>(&admin))
+			.map(|(admin, _)| eth::CrossAddress::from_sub_cross_account::<T>(&admin))
 			.collect();
 		Ok(result)
 	}
@@ -788,7 +675,7 @@
 	fn change_collection_owner_cross(
 		&mut self,
 		caller: caller,
-		new_owner: EthCrossAccount,
+		new_owner: eth::CrossAddress,
 	) -> Result<void> {
 		self.consume_store_writes(1)?;
 
@@ -797,29 +684,6 @@
 		self.change_owner(caller, new_owner)
 			.map_err(dispatch_to_evm::<T>)
 	}
-}
-
-/// ### Note
-/// Do not forget to add: `self.consume_store_reads(1)?;`
-fn check_is_owner_or_admin<T: Config>(
-	caller: caller,
-	collection: &CollectionHandle<T>,
-) -> Result<T::CrossAccountId> {
-	let caller = T::CrossAccountId::from_eth(caller);
-	collection
-		.check_is_owner_or_admin(&caller)
-		.map_err(dispatch_to_evm::<T>)?;
-	Ok(caller)
-}
-
-/// ### Note
-/// Do not forget to add: `self.consume_store_writes(1)?;`
-fn save<T: Config>(collection: &CollectionHandle<T>) -> Result<void> {
-	collection
-		.check_is_internal()
-		.map_err(dispatch_to_evm::<T>)?;
-	collection.save().map_err(dispatch_to_evm::<T>)?;
-	Ok(())
 }
 
 /// Contains static property keys and values.
modifiedpallets/common/src/eth.rsdiffbeforeafterboth
--- a/pallets/common/src/eth.rs
+++ b/pallets/common/src/eth.rs
@@ -16,6 +16,8 @@
 
 //! The module contains a number of functions for converting and checking ethereum identifiers.
 
+use alloc::format;
+use sp_std::{vec, vec::Vec};
 use evm_coder::{
 	AbiCoder,
 	types::{uint256, address},
@@ -64,15 +66,78 @@
 	T::CrossAccountId::from_sub(account_id)
 }
 
+/// Ethereum representation of Optional value with uint256.
+#[derive(Debug, Default, AbiCoder)]
+pub struct OptionUint {
+	status: bool,
+	value: uint256,
+}
+
+impl From<u32> for OptionUint {
+	fn from(value: u32) -> Self {
+		Self {
+			status: true,
+			value: uint256::from(value),
+		}
+	}
+}
+
+impl From<Option<u32>> for OptionUint {
+	fn from(value: Option<u32>) -> Self {
+		match value {
+			Some(value) => Self {
+				status: true,
+				value: value.into(),
+			},
+			None => Self {
+				status: false,
+				value: Default::default(),
+			},
+		}
+	}
+}
+
+impl From<bool> for OptionUint {
+	fn from(value: bool) -> Self {
+		Self {
+			status: true,
+			value: if value {
+				uint256::from(1)
+			} else {
+				Default::default()
+			},
+		}
+	}
+}
+
+impl From<Option<bool>> for OptionUint {
+	fn from(value: Option<bool>) -> Self {
+		match value {
+			Some(value) => Self::from(value),
+			None => Self {
+				status: false,
+				value: Default::default(),
+			},
+		}
+	}
+}
+
+/// Ethereum representation of Optional value with CrossAddress.
+#[derive(Debug, Default, AbiCoder)]
+pub struct OptionCrossAddress {
+	pub status: bool,
+	pub value: CrossAddress,
+}
+
 /// Cross account struct
 #[derive(Debug, Default, AbiCoder)]
-pub struct EthCrossAccount {
+pub struct CrossAddress {
 	pub(crate) eth: address,
 	pub(crate) sub: uint256,
 }
 
-impl EthCrossAccount {
-	/// Converts `CrossAccountId` to `EthCrossAccountId`
+impl CrossAddress {
+	/// Converts `CrossAccountId` to [`CrossAddress`]
 	pub fn from_sub_cross_account<T>(cross_account_id: &T::CrossAccountId) -> Self
 	where
 		T: pallet_evm::Config,
@@ -87,7 +152,7 @@
 			}
 		}
 	}
-	/// Creates `EthCrossAccount` from substrate account
+	/// Creates [`CrossAddress`] from substrate account
 	pub fn from_sub<T>(account_id: &T::AccountId) -> Self
 	where
 		T: pallet_evm::Config,
@@ -98,7 +163,7 @@
 			sub: uint256::from_big_endian(account_id.as_ref()),
 		}
 	}
-	/// Converts `EthCrossAccount` to `CrossAccountId`
+	/// Converts [`CrossAddress`] to `CrossAccountId`
 	pub fn into_sub_cross_account<T>(&self) -> evm_coder::execution::Result<T::CrossAccountId>
 	where
 		T: pallet_evm::Config,
@@ -116,10 +181,42 @@
 	}
 }
 
-/// [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
+/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
+#[derive(Debug, Default, AbiCoder)]
+pub struct Property {
+	key: evm_coder::types::string,
+	value: evm_coder::types::bytes,
+}
+
+impl TryFrom<up_data_structs::Property> for Property {
+	type Error = evm_coder::execution::Error;
+
+	fn try_from(from: up_data_structs::Property) -> Result<Self, Self::Error> {
+		let key = evm_coder::types::string::from_utf8(from.key.into())
+			.map_err(|e| Self::Error::Revert(format!("utf8 conversion error: {}", e)))?;
+		let value = evm_coder::types::bytes(from.value.to_vec());
+		Ok(Property { key, value })
+	}
+}
+
+impl TryInto<up_data_structs::Property> for Property {
+	type Error = evm_coder::execution::Error;
+
+	fn try_into(self) -> Result<up_data_structs::Property, Self::Error> {
+		let key = <Vec<u8>>::from(self.key)
+			.try_into()
+			.map_err(|_| "key too large")?;
+
+		let value = self.value.0.try_into().map_err(|_| "value too large")?;
+
+		Ok(up_data_structs::Property { key, value })
+	}
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.
 #[derive(Debug, Default, Clone, Copy, AbiCoder)]
 #[repr(u8)]
-pub enum CollectionLimits {
+pub enum CollectionLimitField {
 	/// How many tokens can a user have on one account.
 	#[default]
 	AccountTokenOwnership,
@@ -148,10 +245,91 @@
 	/// Is it possible to send tokens from this collection between users.
 	TransferEnabled,
 }
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+#[derive(Debug, Default, AbiCoder)]
+pub struct CollectionLimit {
+	field: CollectionLimitField,
+	value: OptionUint,
+}
+
+impl CollectionLimit {
+	/// Create [`CollectionLimit`] from field and value.
+	pub fn new<T>(field: CollectionLimitField, value: T) -> Self
+	where
+		OptionUint: From<T>,
+	{
+		Self {
+			field,
+			value: value.into(),
+		}
+	}
+	/// Whether the field contains a value.
+	pub fn has_value(&self) -> bool {
+		self.value.status
+	}
+}
+
+impl TryInto<up_data_structs::CollectionLimits> for CollectionLimit {
+	type Error = evm_coder::execution::Error;
+
+	fn try_into(self) -> Result<up_data_structs::CollectionLimits, Self::Error> {
+		let value = self.value.value.try_into().map_err(|error| {
+			Self::Error::Revert(format!(
+				"can't convert value to u32 \"{}\" because: \"{error}\"",
+				self.value.value
+			))
+		})?;
+
+		let convert_value_to_bool = || match value {
+			0 => Ok(false),
+			1 => Ok(true),
+			_ => {
+				return Err(Self::Error::Revert(format!(
+					"can't convert value to boolean \"{value}\""
+				)))
+			}
+		};
+
+		let mut limits = up_data_structs::CollectionLimits::default();
+		match self.field {
+			CollectionLimitField::AccountTokenOwnership => {
+				limits.account_token_ownership_limit = Some(value);
+			}
+			CollectionLimitField::SponsoredDataSize => {
+				limits.sponsored_data_size = Some(value);
+			}
+			CollectionLimitField::SponsoredDataRateLimit => {
+				limits.sponsored_data_rate_limit =
+					Some(up_data_structs::SponsoringRateLimit::Blocks(value));
+			}
+			CollectionLimitField::TokenLimit => {
+				limits.token_limit = Some(value);
+			}
+			CollectionLimitField::SponsorTransferTimeout => {
+				limits.sponsor_transfer_timeout = Some(value);
+			}
+			CollectionLimitField::SponsorApproveTimeout => {
+				limits.sponsor_approve_timeout = Some(value);
+			}
+			CollectionLimitField::OwnerCanTransfer => {
+				limits.owner_can_transfer = Some(convert_value_to_bool()?);
+			}
+			CollectionLimitField::OwnerCanDestroy => {
+				limits.owner_can_destroy = Some(convert_value_to_bool()?);
+			}
+			CollectionLimitField::TransferEnabled => {
+				limits.transfers_enabled = Some(convert_value_to_bool()?);
+			}
+		};
+		Ok(limits)
+	}
+}
+
 /// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.
 #[derive(Default, Debug, Clone, Copy, AbiCoder)]
 #[repr(u8)]
-pub enum CollectionPermissions {
+pub enum CollectionPermissionField {
 	/// Owner of token can nest tokens under it.
 	#[default]
 	TokenOwner,
@@ -163,7 +341,7 @@
 /// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
 #[derive(AbiCoder, Copy, Clone, Default, Debug)]
 #[repr(u8)]
-pub enum EthTokenPermissions {
+pub enum TokenPermissionField {
 	/// Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
 	#[default]
 	Mutable,
@@ -174,3 +352,122 @@
 	/// Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
 	CollectionAdmin,
 }
+
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) as an key and value.
+#[derive(Debug, Default, AbiCoder)]
+pub struct PropertyPermission {
+	/// TokenPermission field.
+	code: TokenPermissionField,
+	/// TokenPermission value.
+	value: bool,
+}
+
+impl PropertyPermission {
+	/// Make vector of [`PropertyPermission`] from [`up_data_structs::PropertyPermission`].
+	pub fn into_vec(pp: up_data_structs::PropertyPermission) -> Vec<Self> {
+		vec![
+			PropertyPermission {
+				code: TokenPermissionField::Mutable,
+				value: pp.mutable,
+			},
+			PropertyPermission {
+				code: TokenPermissionField::TokenOwner,
+				value: pp.token_owner,
+			},
+			PropertyPermission {
+				code: TokenPermissionField::CollectionAdmin,
+				value: pp.collection_admin,
+			},
+		]
+	}
+
+	/// Make [`up_data_structs::PropertyPermission`] from vector of [`PropertyPermission`].
+	pub fn from_vec(permission: Vec<Self>) -> up_data_structs::PropertyPermission {
+		let mut token_permission = up_data_structs::PropertyPermission::default();
+
+		for PropertyPermission { code, value } in permission {
+			match code {
+				TokenPermissionField::Mutable => token_permission.mutable = value,
+				TokenPermissionField::TokenOwner => token_permission.token_owner = value,
+				TokenPermissionField::CollectionAdmin => token_permission.collection_admin = value,
+			}
+		}
+		token_permission
+	}
+}
+
+/// Ethereum representation of Token Property Permissions.
+#[derive(Debug, Default, AbiCoder)]
+pub struct TokenPropertyPermission {
+	/// Token property key.
+	key: evm_coder::types::string,
+	/// Token property permissions.
+	permissions: Vec<PropertyPermission>,
+}
+
+impl
+	From<(
+		up_data_structs::PropertyKey,
+		up_data_structs::PropertyPermission,
+	)> for TokenPropertyPermission
+{
+	fn from(
+		value: (
+			up_data_structs::PropertyKey,
+			up_data_structs::PropertyPermission,
+		),
+	) -> Self {
+		let (key, permission) = value;
+		let key = evm_coder::types::string::from_utf8(key.into_inner())
+			.expect("Stored key must be valid");
+		let permissions = PropertyPermission::into_vec(permission);
+		Self { key, permissions }
+	}
+}
+
+impl TokenPropertyPermission {
+	/// Convert vector of [`TokenPropertyPermission`] into vector of [`up_data_structs::PropertyKeyPermission`].
+	pub fn into_property_key_permissions(
+		permissions: Vec<TokenPropertyPermission>,
+	) -> evm_coder::execution::Result<Vec<up_data_structs::PropertyKeyPermission>> {
+		let mut perms = Vec::new();
+
+		for TokenPropertyPermission { key, permissions } in permissions {
+			let token_permission = PropertyPermission::from_vec(permissions);
+
+			perms.push(up_data_structs::PropertyKeyPermission {
+				key: key.into_bytes().try_into().map_err(|_| "too long key")?,
+				permission: token_permission,
+			});
+		}
+		Ok(perms)
+	}
+}
+
+/// Nested collections.
+#[derive(Debug, Default, AbiCoder)]
+pub struct CollectionNesting {
+	token_owner: bool,
+	ids: Vec<uint256>,
+}
+
+impl CollectionNesting {
+	/// Create [`CollectionNesting`].
+	pub fn new(token_owner: bool, ids: Vec<uint256>) -> Self {
+		Self { token_owner, ids }
+	}
+}
+
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) field.
+#[derive(Debug, Default, AbiCoder)]
+pub struct CollectionNestingPermission {
+	field: CollectionPermissionField,
+	value: bool,
+}
+
+impl CollectionNestingPermission {
+	/// Create [`CollectionNestingPermission`].
+	pub fn new(field: CollectionPermissionField, value: bool) -> Self {
+		Self { field, value }
+	}
+}
modifiedpallets/evm-contract-helpers/src/eth.rsdiffbeforeafterboth
--- a/pallets/evm-contract-helpers/src/eth.rs
+++ b/pallets/evm-contract-helpers/src/eth.rs
@@ -23,9 +23,9 @@
 	execution::Result,
 	generate_stubgen, solidity_interface,
 	types::*,
-	ToLog,
+	ToLog, AbiCoder,
 };
-use pallet_common::eth::EthCrossAccount;
+use pallet_common::eth;
 use pallet_evm::{
 	ExitRevert, OnCreate, OnMethodCall, PrecompileResult, PrecompileFailure, PrecompileHandle,
 	account::CrossAccountId,
@@ -175,10 +175,17 @@
 	///
 	/// @param contractAddress The contract for which a sponsor is requested.
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
-	fn sponsor(&self, contract_address: address) -> Result<EthCrossAccount> {
-		Ok(EthCrossAccount::from_sub_cross_account::<T>(
-			&Pallet::<T>::get_sponsor(contract_address).ok_or("Contract has no sponsor")?,
-		))
+	fn sponsor(&self, contract_address: address) -> Result<eth::OptionCrossAddress> {
+		Ok(match Pallet::<T>::get_sponsor(contract_address) {
+			Some(ref value) => eth::OptionCrossAddress {
+				status: true,
+				value: eth::CrossAddress::from_sub_cross_account::<T>(value),
+			},
+			None => eth::OptionCrossAddress {
+				status: false,
+				value: Default::default(),
+			},
+		})
 	}
 
 	/// Check tat contract has confirmed sponsor.
@@ -208,14 +215,12 @@
 		&mut self,
 		caller: caller,
 		contract_address: address,
-		// TODO: implement support for enums in evm-coder
-		mode: uint8,
+		mode: SponsoringModeT,
 	) -> Result<void> {
 		self.recorder().consume_sload()?;
 		self.recorder().consume_sstore()?;
 
 		<Pallet<T>>::ensure_owner(contract_address, caller).map_err(dispatch_to_evm::<T>)?;
-		let mode = SponsoringModeT::from_eth(mode).ok_or("unknown mode")?;
 		<Pallet<T>>::set_sponsoring_mode(contract_address, mode);
 
 		Ok(())
modifiedpallets/evm-contract-helpers/src/lib.rsdiffbeforeafterboth
--- a/pallets/evm-contract-helpers/src/lib.rs
+++ b/pallets/evm-contract-helpers/src/lib.rs
@@ -19,6 +19,7 @@
 #![warn(missing_docs)]
 
 use codec::{Decode, Encode, MaxEncodedLen};
+use evm_coder::AbiCoder;
 pub use pallet::*;
 pub use eth::*;
 use scale_info::TypeInfo;
@@ -407,7 +408,10 @@
 }
 
 /// Available contract sponsoring modes
-#[derive(Encode, Decode, PartialEq, TypeInfo, MaxEncodedLen, Default)]
+#[derive(
+	Encode, Decode, Debug, PartialEq, TypeInfo, MaxEncodedLen, Default, AbiCoder, Clone, Copy,
+)]
+#[repr(u8)]
 pub enum SponsoringModeT {
 	/// Sponsoring is disabled
 	#[default]
@@ -416,23 +420,4 @@
 	Allowlisted,
 	/// All users will be sponsored
 	Generous,
-}
-
-impl SponsoringModeT {
-	fn from_eth(v: u8) -> Option<Self> {
-		Some(match v {
-			0 => Self::Disabled,
-			1 => Self::Allowlisted,
-			2 => Self::Generous,
-			_ => return None,
-		})
-	}
-	#[allow(dead_code)]
-	fn to_eth(self) -> u8 {
-		match self {
-			SponsoringModeT::Disabled => 0,
-			SponsoringModeT::Allowlisted => 1,
-			SponsoringModeT::Generous => 2,
-		}
-	}
 }
modifiedpallets/evm-contract-helpers/src/stubs/ContractHelpers.rawdiffbeforeafterboth

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modifiedpallets/evm-contract-helpers/src/stubs/ContractHelpers.soldiffbeforeafterboth
--- a/pallets/evm-contract-helpers/src/stubs/ContractHelpers.sol
+++ b/pallets/evm-contract-helpers/src/stubs/ContractHelpers.sol
@@ -96,11 +96,11 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x766c4f37,
 	///  or in textual repr: sponsor(address)
-	function sponsor(address contractAddress) public view returns (EthCrossAccount memory) {
+	function sponsor(address contractAddress) public view returns (OptionCrossAddress memory) {
 		require(false, stub_error);
 		contractAddress;
 		dummy;
-		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+		return OptionCrossAddress(false, CrossAddress(0x0000000000000000000000000000000000000000, 0));
 	}
 
 	/// Check tat contract has confirmed sponsor.
@@ -140,7 +140,7 @@
 
 	/// @dev EVM selector for this function is: 0xfde8a560,
 	///  or in textual repr: setSponsoringMode(address,uint8)
-	function setSponsoringMode(address contractAddress, uint8 mode) public {
+	function setSponsoringMode(address contractAddress, SponsoringModeT mode) public {
 		require(false, stub_error);
 		contractAddress;
 		mode;
@@ -265,8 +265,24 @@
 	}
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Available contract sponsoring modes
+enum SponsoringModeT {
+	/// Sponsoring is disabled
+	Disabled,
+	/// Only users from allowlist will be sponsored
+	Allowlisted,
+	/// All users will be sponsored
+	Generous
+}
+
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
+
+/// Ethereum representation of Optional value with CrossAddress.
+struct OptionCrossAddress {
+	bool status;
+	CrossAddress value;
+}
modifiedpallets/foreign-assets/src/lib.rsdiffbeforeafterboth
--- a/pallets/foreign-assets/src/lib.rs
+++ b/pallets/foreign-assets/src/lib.rs
@@ -161,9 +161,7 @@
 
 	fn get_currency_id(multi_location: MultiLocation) -> Option<CurrencyId> {
 		log::trace!(target: "fassets::get_currency_id", "call");
-		Some(AssetIds::ForeignAssetId(
-			Pallet::<T>::location_to_currency_ids(multi_location).unwrap_or(0),
-		))
+		Pallet::<T>::location_to_currency_ids(multi_location).map(|id| AssetIds::ForeignAssetId(id))
 	}
 }
 
modifiedpallets/fungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/fungible/src/erc.rs
+++ b/pallets/fungible/src/erc.rs
@@ -27,7 +27,6 @@
 use pallet_common::{
 	CollectionHandle,
 	erc::{CommonEvmHandler, PrecompileResult, CollectionCall},
-	eth::EthCrossAccount,
 };
 use sp_std::vec::Vec;
 use pallet_evm::{account::CrossAccountId, PrecompileHandle};
@@ -175,7 +174,12 @@
 	}
 
 	#[weight(<SelfWeightOf<T>>::create_item())]
-	fn mint_cross(&mut self, caller: caller, to: EthCrossAccount, amount: uint256) -> Result<bool> {
+	fn mint_cross(
+		&mut self,
+		caller: caller,
+		to: pallet_common::eth::CrossAddress,
+		amount: uint256,
+	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
 		let to = to.into_sub_cross_account::<T>()?;
 		let amount = amount.try_into().map_err(|_| "amount overflow")?;
@@ -191,7 +195,7 @@
 	fn approve_cross(
 		&mut self,
 		caller: caller,
-		spender: EthCrossAccount,
+		spender: pallet_common::eth::CrossAddress,
 		amount: uint256,
 	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -232,7 +236,7 @@
 	fn burn_from_cross(
 		&mut self,
 		caller: caller,
-		from: EthCrossAccount,
+		from: pallet_common::eth::CrossAddress,
 		amount: uint256,
 	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -274,7 +278,7 @@
 	fn transfer_cross(
 		&mut self,
 		caller: caller,
-		to: EthCrossAccount,
+		to: pallet_common::eth::CrossAddress,
 		amount: uint256,
 	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -292,8 +296,8 @@
 	fn transfer_from_cross(
 		&mut self,
 		caller: caller,
-		from: EthCrossAccount,
-		to: EthCrossAccount,
+		from: pallet_common::eth::CrossAddress,
+		to: pallet_common::eth::CrossAddress,
 		amount: uint256,
 	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
modifiedpallets/fungible/src/stubs/UniqueFungible.rawdiffbeforeafterboth

binary blob — no preview

modifiedpallets/fungible/src/stubs/UniqueFungible.soldiffbeforeafterboth
--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -18,7 +18,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x81172a75
+/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
 contract Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -114,7 +114,7 @@
 	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.
 	/// @dev EVM selector for this function is: 0x84a1d5a8,
 	///  or in textual repr: setCollectionSponsorCross((address,uint256))
-	function setCollectionSponsorCross(EthCrossAccount memory sponsor) public {
+	function setCollectionSponsorCross(CrossAddress memory sponsor) public {
 		require(false, stub_error);
 		sponsor;
 		dummy = 0;
@@ -152,58 +152,31 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x6ec0a9f1,
 	///  or in textual repr: collectionSponsor()
-	function collectionSponsor() public view returns (EthCrossAccount memory) {
+	function collectionSponsor() public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		dummy;
-		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
 	/// Get current collection limits.
 	///
-	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// Return `false` if a limit not set.
+	/// @return Array of collection limits
 	/// @dev EVM selector for this function is: 0xf63bc572,
 	///  or in textual repr: collectionLimits()
-	function collectionLimits() public view returns (Tuple23[] memory) {
+	function collectionLimits() public view returns (CollectionLimit[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple23[](0);
+		return new CollectionLimit[](0);
 	}
 
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
-	/// @param limit Name of the limit. Valid names:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// @param status enable\disable limit. Works only with `true`.
-	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x88150bd0,
-	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
-	function setCollectionLimit(
-		CollectionLimits limit,
-		bool status,
-		uint256 value
-	) public {
+	/// @param limit Some limit.
+	/// @dev EVM selector for this function is: 0x2316ee74,
+	///  or in textual repr: setCollectionLimit((uint8,(bool,uint256)))
+	function setCollectionLimit(CollectionLimit memory limit) public {
 		require(false, stub_error);
 		limit;
-		status;
-		value;
 		dummy = 0;
 	}
 
@@ -220,7 +193,7 @@
 	/// @param newAdmin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x859aa7d6,
 	///  or in textual repr: addCollectionAdminCross((address,uint256))
-	function addCollectionAdminCross(EthCrossAccount memory newAdmin) public {
+	function addCollectionAdminCross(CrossAddress memory newAdmin) public {
 		require(false, stub_error);
 		newAdmin;
 		dummy = 0;
@@ -230,7 +203,7 @@
 	/// @param admin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x6c0cd173,
 	///  or in textual repr: removeCollectionAdminCross((address,uint256))
-	function removeCollectionAdminCross(EthCrossAccount memory admin) public {
+	function removeCollectionAdminCross(CrossAddress memory admin) public {
 		require(false, stub_error);
 		admin;
 		dummy = 0;
@@ -284,19 +257,19 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() public view returns (Tuple29 memory) {
+	function collectionNestingRestrictedCollectionIds() public view returns (CollectionNesting memory) {
 		require(false, stub_error);
 		dummy;
-		return Tuple29(false, new uint256[](0));
+		return CollectionNesting(false, new uint256[](0));
 	}
 
 	/// Returns permissions for a collection
 	/// @dev EVM selector for this function is: 0x5b2eaf4b,
 	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() public view returns (Tuple32[] memory) {
+	function collectionNestingPermissions() public view returns (CollectionNestingPermission[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple32[](0);
+		return new CollectionNestingPermission[](0);
 	}
 
 	/// Set the collection access method.
@@ -316,7 +289,7 @@
 	/// @param user User address to check.
 	/// @dev EVM selector for this function is: 0x91b6df49,
 	///  or in textual repr: allowlistedCross((address,uint256))
-	function allowlistedCross(EthCrossAccount memory user) public view returns (bool) {
+	function allowlistedCross(CrossAddress memory user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
@@ -339,7 +312,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0xa0184a3a,
 	///  or in textual repr: addToCollectionAllowListCross((address,uint256))
-	function addToCollectionAllowListCross(EthCrossAccount memory user) public {
+	function addToCollectionAllowListCross(CrossAddress memory user) public {
 		require(false, stub_error);
 		user;
 		dummy = 0;
@@ -361,7 +334,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0x09ba452a,
 	///  or in textual repr: removeFromCollectionAllowListCross((address,uint256))
-	function removeFromCollectionAllowListCross(EthCrossAccount memory user) public {
+	function removeFromCollectionAllowListCross(CrossAddress memory user) public {
 		require(false, stub_error);
 		user;
 		dummy = 0;
@@ -397,7 +370,7 @@
 	/// @return "true" if account is the owner or admin
 	/// @dev EVM selector for this function is: 0x3e75a905,
 	///  or in textual repr: isOwnerOrAdminCross((address,uint256))
-	function isOwnerOrAdminCross(EthCrossAccount memory user) public view returns (bool) {
+	function isOwnerOrAdminCross(CrossAddress memory user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
@@ -421,10 +394,10 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0xdf727d3b,
 	///  or in textual repr: collectionOwner()
-	function collectionOwner() public view returns (EthCrossAccount memory) {
+	function collectionOwner() public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		dummy;
-		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
 	// /// Changes collection owner to another account
@@ -445,10 +418,10 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0x5813216b,
 	///  or in textual repr: collectionAdmins()
-	function collectionAdmins() public view returns (EthCrossAccount[] memory) {
+	function collectionAdmins() public view returns (CrossAddress[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new EthCrossAccount[](0);
+		return new CrossAddress[](0);
 	}
 
 	/// Changes collection owner to another account
@@ -457,66 +430,74 @@
 	/// @param newOwner new owner cross account
 	/// @dev EVM selector for this function is: 0x6496c497,
 	///  or in textual repr: changeCollectionOwnerCross((address,uint256))
-	function changeCollectionOwnerCross(EthCrossAccount memory newOwner) public {
+	function changeCollectionOwnerCross(CrossAddress memory newOwner) public {
 		require(false, stub_error);
 		newOwner;
 		dummy = 0;
 	}
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
 
-enum CollectionPermissions {
-	CollectionAdmin,
-	TokenOwner
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) field.
+struct CollectionNestingPermission {
+	CollectionPermissionField field;
+	bool value;
 }
 
-/// @dev anonymous struct
-struct Tuple32 {
-	CollectionPermissions field_0;
-	bool field_1;
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.
+enum CollectionPermissionField {
+	/// Owner of token can nest tokens under it.
+	TokenOwner,
+	/// Admin of token collection can nest tokens under token.
+	CollectionAdmin
 }
 
-/// @dev anonymous struct
-struct Tuple29 {
-	bool field_0;
-	uint256[] field_1;
+/// Nested collections.
+struct CollectionNesting {
+	bool token_owner;
+	uint256[] ids;
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+struct CollectionLimit {
+	CollectionLimitField field;
+	OptionUint value;
+}
+
+/// Ethereum representation of Optional value with uint256.
+struct OptionUint {
+	bool status;
+	uint256 value;
 }
 
-/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
-enum CollectionLimits {
-	/// @dev How many tokens can a user have on one account.
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.
+enum CollectionLimitField {
+	/// How many tokens can a user have on one account.
 	AccountTokenOwnership,
-	/// @dev How many bytes of data are available for sponsorship.
+	/// How many bytes of data are available for sponsorship.
 	SponsoredDataSize,
-	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
 	SponsoredDataRateLimit,
-	/// @dev How many tokens can be mined into this collection.
+	/// How many tokens can be mined into this collection.
 	TokenLimit,
-	/// @dev Timeouts for transfer sponsoring.
+	/// Timeouts for transfer sponsoring.
 	SponsorTransferTimeout,
-	/// @dev Timeout for sponsoring an approval in passed blocks.
+	/// Timeout for sponsoring an approval in passed blocks.
 	SponsorApproveTimeout,
-	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	/// Whether the collection owner of the collection can send tokens (which belong to other users).
 	OwnerCanTransfer,
-	/// @dev Can the collection owner burn other people's tokens.
+	/// Can the collection owner burn other people's tokens.
 	OwnerCanDestroy,
-	/// @dev Is it possible to send tokens from this collection between users.
+	/// Is it possible to send tokens from this collection between users.
 	TransferEnabled
 }
 
-/// @dev anonymous struct
-struct Tuple23 {
-	CollectionLimits field_0;
-	bool field_1;
-	uint256 field_2;
-}
-
-/// @dev Property struct
+/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
 struct Property {
 	string key;
 	bytes value;
@@ -535,7 +516,7 @@
 
 	/// @dev EVM selector for this function is: 0x269e6158,
 	///  or in textual repr: mintCross((address,uint256),uint256)
-	function mintCross(EthCrossAccount memory to, uint256 amount) public returns (bool) {
+	function mintCross(CrossAddress memory to, uint256 amount) public returns (bool) {
 		require(false, stub_error);
 		to;
 		amount;
@@ -545,7 +526,7 @@
 
 	/// @dev EVM selector for this function is: 0x0ecd0ab0,
 	///  or in textual repr: approveCross((address,uint256),uint256)
-	function approveCross(EthCrossAccount memory spender, uint256 amount) public returns (bool) {
+	function approveCross(CrossAddress memory spender, uint256 amount) public returns (bool) {
 		require(false, stub_error);
 		spender;
 		amount;
@@ -575,7 +556,7 @@
 	/// @param amount The amount that will be burnt.
 	/// @dev EVM selector for this function is: 0xbb2f5a58,
 	///  or in textual repr: burnFromCross((address,uint256),uint256)
-	function burnFromCross(EthCrossAccount memory from, uint256 amount) public returns (bool) {
+	function burnFromCross(CrossAddress memory from, uint256 amount) public returns (bool) {
 		require(false, stub_error);
 		from;
 		amount;
@@ -596,7 +577,7 @@
 
 	/// @dev EVM selector for this function is: 0x2ada85ff,
 	///  or in textual repr: transferCross((address,uint256),uint256)
-	function transferCross(EthCrossAccount memory to, uint256 amount) public returns (bool) {
+	function transferCross(CrossAddress memory to, uint256 amount) public returns (bool) {
 		require(false, stub_error);
 		to;
 		amount;
@@ -607,8 +588,8 @@
 	/// @dev EVM selector for this function is: 0xd5cf430b,
 	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)
 	function transferFromCross(
-		EthCrossAccount memory from,
-		EthCrossAccount memory to,
+		CrossAddress memory from,
+		CrossAddress memory to,
 		uint256 amount
 	) public returns (bool) {
 		require(false, stub_error);
modifiedpallets/nonfungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/erc.rs
+++ b/pallets/nonfungible/src/erc.rs
@@ -26,7 +26,7 @@
 };
 use evm_coder::{
 	abi::AbiType, ToLog, execution::*, generate_stubgen, solidity, solidity_interface, types::*,
-	types::Property as PropertyStruct, weight,
+	weight,
 };
 use frame_support::BoundedVec;
 use up_data_structs::{
@@ -38,7 +38,7 @@
 use pallet_common::{
 	CollectionHandle, CollectionPropertyPermissions, CommonCollectionOperations,
 	erc::{CommonEvmHandler, PrecompileResult, CollectionCall, static_property::key},
-	eth::{EthCrossAccount, EthTokenPermissions},
+	eth,
 };
 use pallet_evm::{account::CrossAccountId, PrecompileHandle};
 use pallet_evm_coder_substrate::call;
@@ -94,63 +94,21 @@
 	fn set_token_property_permissions(
 		&mut self,
 		caller: caller,
-		permissions: Vec<(string, Vec<(EthTokenPermissions, bool)>)>,
+		permissions: Vec<eth::TokenPropertyPermission>,
 	) -> Result<()> {
 		let caller = T::CrossAccountId::from_eth(caller);
-		const PERMISSIONS_FIELDS_COUNT: usize = 3;
-
-		let mut perms = Vec::new();
-
-		for (key, pp) in permissions {
-			if pp.len() > PERMISSIONS_FIELDS_COUNT {
-				return Err(alloc::format!(
-					"Actual number of fields {} for {}, which exceeds the maximum value of {}",
-					pp.len(),
-					stringify!(EthTokenPermissions),
-					PERMISSIONS_FIELDS_COUNT
-				)
-				.as_str()
-				.into());
-			}
-
-			let mut token_permission = PropertyPermission::default();
-
-			for (perm, value) in pp {
-				match perm {
-					EthTokenPermissions::Mutable => token_permission.mutable = value,
-					EthTokenPermissions::TokenOwner => token_permission.token_owner = value,
-					EthTokenPermissions::CollectionAdmin => {
-						token_permission.collection_admin = value
-					}
-				}
-			}
-
-			perms.push(PropertyKeyPermission {
-				key: key.into_bytes().try_into().map_err(|_| "too long key")?,
-				permission: token_permission,
-			});
-		}
+		let perms = eth::TokenPropertyPermission::into_property_key_permissions(permissions)?;
 
 		<Pallet<T>>::set_token_property_permissions(self, &caller, perms)
 			.map_err(dispatch_to_evm::<T>)
 	}
 
 	/// @notice Get permissions for token properties.
-	fn token_property_permissions(
-		&self,
-	) -> Result<Vec<(string, Vec<(EthTokenPermissions, bool)>)>> {
+	fn token_property_permissions(&self) -> Result<Vec<eth::TokenPropertyPermission>> {
 		let perms = <Pallet<T>>::token_property_permission(self.id);
 		Ok(perms
 			.into_iter()
-			.map(|(key, pp)| {
-				let key = string::from_utf8(key.into_inner()).expect("Stored key must be valid");
-				let pp = vec![
-					(EthTokenPermissions::Mutable, pp.mutable),
-					(EthTokenPermissions::TokenOwner, pp.token_owner),
-					(EthTokenPermissions::CollectionAdmin, pp.collection_admin),
-				];
-				(key, pp)
-			})
+			.map(eth::TokenPropertyPermission::from)
 			.collect())
 	}
 
@@ -198,7 +156,7 @@
 		&mut self,
 		caller: caller,
 		token_id: uint256,
-		properties: Vec<PropertyStruct>,
+		properties: Vec<eth::Property>,
 	) -> Result<()> {
 		let caller = T::CrossAccountId::from_eth(caller);
 		let token_id: u32 = token_id.try_into().map_err(|_| "token id overflow")?;
@@ -209,15 +167,7 @@
 
 		let properties = properties
 			.into_iter()
-			.map(|PropertyStruct { key, value }| {
-				let key = <Vec<u8>>::from(key)
-					.try_into()
-					.map_err(|_| "key too large")?;
-
-				let value = value.0.try_into().map_err(|_| "value too large")?;
-
-				Ok(Property { key, value })
-			})
+			.map(eth::Property::try_into)
 			.collect::<Result<Vec<_>>>()?;
 
 		<Pallet<T>>::set_token_properties(
@@ -800,9 +750,9 @@
 	/// Returns the owner (in cross format) of the token.
 	///
 	/// @param tokenId Id for the token.
-	fn cross_owner_of(&self, token_id: uint256) -> Result<EthCrossAccount> {
+	fn cross_owner_of(&self, token_id: uint256) -> Result<eth::CrossAddress> {
 		Self::token_owner(&self, token_id.try_into()?)
-			.map(|o| EthCrossAccount::from_sub_cross_account::<T>(&o))
+			.map(|o| eth::CrossAddress::from_sub_cross_account::<T>(&o))
 			.ok_or(Error::Revert("key too large".into()))
 	}
 
@@ -811,7 +761,7 @@
 	/// @param tokenId Id for the token.
 	/// @param keys Properties keys. Empty keys for all propertyes.
 	/// @return Vector of properties key/value pairs.
-	fn properties(&self, token_id: uint256, keys: Vec<string>) -> Result<Vec<PropertyStruct>> {
+	fn properties(&self, token_id: uint256, keys: Vec<string>) -> Result<Vec<eth::Property>> {
 		let keys = keys
 			.into_iter()
 			.map(|key| {
@@ -827,12 +777,7 @@
 			if keys.is_empty() { None } else { Some(keys) },
 		)
 		.into_iter()
-		.map(|p| {
-			let key = string::from_utf8(p.key.to_vec())
-				.map_err(|e| Error::Revert(alloc::format!("{}", e)))?;
-			let value = bytes(p.value.to_vec());
-			Ok(PropertyStruct { key, value })
-		})
+		.map(eth::Property::try_from)
 		.collect::<Result<Vec<_>>>()
 	}
 
@@ -846,7 +791,7 @@
 	fn approve_cross(
 		&mut self,
 		caller: caller,
-		approved: EthCrossAccount,
+		approved: eth::CrossAddress,
 		token_id: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -885,7 +830,7 @@
 	fn transfer_cross(
 		&mut self,
 		caller: caller,
-		to: EthCrossAccount,
+		to: eth::CrossAddress,
 		token_id: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -909,8 +854,8 @@
 	fn transfer_from_cross(
 		&mut self,
 		caller: caller,
-		from: EthCrossAccount,
-		to: EthCrossAccount,
+		from: eth::CrossAddress,
+		to: eth::CrossAddress,
 		token_id: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -956,7 +901,7 @@
 	fn burn_from_cross(
 		&mut self,
 		caller: caller,
-		from: EthCrossAccount,
+		from: eth::CrossAddress,
 		token_id: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -1078,8 +1023,8 @@
 	fn mint_cross(
 		&mut self,
 		caller: caller,
-		to: EthCrossAccount,
-		properties: Vec<PropertyStruct>,
+		to: eth::CrossAddress,
+		properties: Vec<eth::Property>,
 	) -> Result<uint256> {
 		let token_id = <TokensMinted<T>>::get(self.id)
 			.checked_add(1)
@@ -1089,15 +1034,7 @@
 
 		let properties = properties
 			.into_iter()
-			.map(|PropertyStruct { key, value }| {
-				let key = <Vec<u8>>::from(key)
-					.try_into()
-					.map_err(|_| "key too large")?;
-
-				let value = value.0.try_into().map_err(|_| "value too large")?;
-
-				Ok(Property { key, value })
-			})
+			.map(eth::Property::try_into)
 			.collect::<Result<Vec<_>>>()?
 			.try_into()
 			.map_err(|_| Error::Revert(alloc::format!("too many properties")))?;
modifiedpallets/nonfungible/src/stubs/UniqueNFT.rawdiffbeforeafterboth

binary blob — no preview

modifiedpallets/nonfungible/src/stubs/UniqueNFT.soldiffbeforeafterboth
--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -42,7 +42,7 @@
 	/// @param permissions Permissions for keys.
 	/// @dev EVM selector for this function is: 0xbd92983a,
 	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])
-	function setTokenPropertyPermissions(Tuple61[] memory permissions) public {
+	function setTokenPropertyPermissions(TokenPropertyPermission[] memory permissions) public {
 		require(false, stub_error);
 		permissions;
 		dummy = 0;
@@ -51,10 +51,10 @@
 	/// @notice Get permissions for token properties.
 	/// @dev EVM selector for this function is: 0xf23d7790,
 	///  or in textual repr: tokenPropertyPermissions()
-	function tokenPropertyPermissions() public view returns (Tuple61[] memory) {
+	function tokenPropertyPermissions() public view returns (TokenPropertyPermission[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple61[](0);
+		return new TokenPropertyPermission[](0);
 	}
 
 	// /// @notice Set token property value.
@@ -127,36 +127,40 @@
 	}
 }
 
-/// @dev Property struct
+/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
 struct Property {
 	string key;
 	bytes value;
 }
 
-/// @dev Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
-enum EthTokenPermissions {
-	/// @dev Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
-	Mutable,
-	/// @dev Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
-	TokenOwner,
-	/// @dev Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
-	CollectionAdmin
+/// Ethereum representation of Token Property Permissions.
+struct TokenPropertyPermission {
+	/// Token property key.
+	string key;
+	/// Token property permissions.
+	PropertyPermission[] permissions;
 }
 
-/// @dev anonymous struct
-struct Tuple61 {
-	string field_0;
-	Tuple59[] field_1;
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) as an key and value.
+struct PropertyPermission {
+	/// TokenPermission field.
+	TokenPermissionField code;
+	/// TokenPermission value.
+	bool value;
 }
 
-/// @dev anonymous struct
-struct Tuple59 {
-	EthTokenPermissions field_0;
-	bool field_1;
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
+enum TokenPermissionField {
+	/// Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
+	Mutable,
+	/// Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
+	TokenOwner,
+	/// Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
+	CollectionAdmin
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x81172a75
+/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
 contract Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -252,7 +256,7 @@
 	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.
 	/// @dev EVM selector for this function is: 0x84a1d5a8,
 	///  or in textual repr: setCollectionSponsorCross((address,uint256))
-	function setCollectionSponsorCross(EthCrossAccount memory sponsor) public {
+	function setCollectionSponsorCross(CrossAddress memory sponsor) public {
 		require(false, stub_error);
 		sponsor;
 		dummy = 0;
@@ -290,58 +294,31 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x6ec0a9f1,
 	///  or in textual repr: collectionSponsor()
-	function collectionSponsor() public view returns (EthCrossAccount memory) {
+	function collectionSponsor() public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		dummy;
-		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
 	/// Get current collection limits.
 	///
-	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// Return `false` if a limit not set.
+	/// @return Array of collection limits
 	/// @dev EVM selector for this function is: 0xf63bc572,
 	///  or in textual repr: collectionLimits()
-	function collectionLimits() public view returns (Tuple35[] memory) {
+	function collectionLimits() public view returns (CollectionLimit[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple35[](0);
+		return new CollectionLimit[](0);
 	}
 
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
-	/// @param limit Name of the limit. Valid names:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// @param status enable\disable limit. Works only with `true`.
-	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x88150bd0,
-	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
-	function setCollectionLimit(
-		CollectionLimits limit,
-		bool status,
-		uint256 value
-	) public {
+	/// @param limit Some limit.
+	/// @dev EVM selector for this function is: 0x2316ee74,
+	///  or in textual repr: setCollectionLimit((uint8,(bool,uint256)))
+	function setCollectionLimit(CollectionLimit memory limit) public {
 		require(false, stub_error);
 		limit;
-		status;
-		value;
 		dummy = 0;
 	}
 
@@ -358,7 +335,7 @@
 	/// @param newAdmin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x859aa7d6,
 	///  or in textual repr: addCollectionAdminCross((address,uint256))
-	function addCollectionAdminCross(EthCrossAccount memory newAdmin) public {
+	function addCollectionAdminCross(CrossAddress memory newAdmin) public {
 		require(false, stub_error);
 		newAdmin;
 		dummy = 0;
@@ -368,7 +345,7 @@
 	/// @param admin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x6c0cd173,
 	///  or in textual repr: removeCollectionAdminCross((address,uint256))
-	function removeCollectionAdminCross(EthCrossAccount memory admin) public {
+	function removeCollectionAdminCross(CrossAddress memory admin) public {
 		require(false, stub_error);
 		admin;
 		dummy = 0;
@@ -422,19 +399,19 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() public view returns (Tuple41 memory) {
+	function collectionNestingRestrictedCollectionIds() public view returns (CollectionNesting memory) {
 		require(false, stub_error);
 		dummy;
-		return Tuple41(false, new uint256[](0));
+		return CollectionNesting(false, new uint256[](0));
 	}
 
 	/// Returns permissions for a collection
 	/// @dev EVM selector for this function is: 0x5b2eaf4b,
 	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() public view returns (Tuple44[] memory) {
+	function collectionNestingPermissions() public view returns (CollectionNestingPermission[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple44[](0);
+		return new CollectionNestingPermission[](0);
 	}
 
 	/// Set the collection access method.
@@ -454,7 +431,7 @@
 	/// @param user User address to check.
 	/// @dev EVM selector for this function is: 0x91b6df49,
 	///  or in textual repr: allowlistedCross((address,uint256))
-	function allowlistedCross(EthCrossAccount memory user) public view returns (bool) {
+	function allowlistedCross(CrossAddress memory user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
@@ -477,7 +454,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0xa0184a3a,
 	///  or in textual repr: addToCollectionAllowListCross((address,uint256))
-	function addToCollectionAllowListCross(EthCrossAccount memory user) public {
+	function addToCollectionAllowListCross(CrossAddress memory user) public {
 		require(false, stub_error);
 		user;
 		dummy = 0;
@@ -499,7 +476,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0x09ba452a,
 	///  or in textual repr: removeFromCollectionAllowListCross((address,uint256))
-	function removeFromCollectionAllowListCross(EthCrossAccount memory user) public {
+	function removeFromCollectionAllowListCross(CrossAddress memory user) public {
 		require(false, stub_error);
 		user;
 		dummy = 0;
@@ -535,7 +512,7 @@
 	/// @return "true" if account is the owner or admin
 	/// @dev EVM selector for this function is: 0x3e75a905,
 	///  or in textual repr: isOwnerOrAdminCross((address,uint256))
-	function isOwnerOrAdminCross(EthCrossAccount memory user) public view returns (bool) {
+	function isOwnerOrAdminCross(CrossAddress memory user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
@@ -559,10 +536,10 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0xdf727d3b,
 	///  or in textual repr: collectionOwner()
-	function collectionOwner() public view returns (EthCrossAccount memory) {
+	function collectionOwner() public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		dummy;
-		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
 	// /// Changes collection owner to another account
@@ -583,10 +560,10 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0x5813216b,
 	///  or in textual repr: collectionAdmins()
-	function collectionAdmins() public view returns (EthCrossAccount[] memory) {
+	function collectionAdmins() public view returns (CrossAddress[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new EthCrossAccount[](0);
+		return new CrossAddress[](0);
 	}
 
 	/// Changes collection owner to another account
@@ -595,65 +572,73 @@
 	/// @param newOwner new owner cross account
 	/// @dev EVM selector for this function is: 0x6496c497,
 	///  or in textual repr: changeCollectionOwnerCross((address,uint256))
-	function changeCollectionOwnerCross(EthCrossAccount memory newOwner) public {
+	function changeCollectionOwnerCross(CrossAddress memory newOwner) public {
 		require(false, stub_error);
 		newOwner;
 		dummy = 0;
 	}
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
 
-enum CollectionPermissions {
-	CollectionAdmin,
-	TokenOwner
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) field.
+struct CollectionNestingPermission {
+	CollectionPermissionField field;
+	bool value;
+}
+
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.
+enum CollectionPermissionField {
+	/// Owner of token can nest tokens under it.
+	TokenOwner,
+	/// Admin of token collection can nest tokens under token.
+	CollectionAdmin
+}
+
+/// Nested collections.
+struct CollectionNesting {
+	bool token_owner;
+	uint256[] ids;
 }
 
-/// @dev anonymous struct
-struct Tuple44 {
-	CollectionPermissions field_0;
-	bool field_1;
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+struct CollectionLimit {
+	CollectionLimitField field;
+	OptionUint value;
 }
 
-/// @dev anonymous struct
-struct Tuple41 {
-	bool field_0;
-	uint256[] field_1;
+/// Ethereum representation of Optional value with uint256.
+struct OptionUint {
+	bool status;
+	uint256 value;
 }
 
-/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
-enum CollectionLimits {
-	/// @dev How many tokens can a user have on one account.
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.
+enum CollectionLimitField {
+	/// How many tokens can a user have on one account.
 	AccountTokenOwnership,
-	/// @dev How many bytes of data are available for sponsorship.
+	/// How many bytes of data are available for sponsorship.
 	SponsoredDataSize,
-	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
 	SponsoredDataRateLimit,
-	/// @dev How many tokens can be mined into this collection.
+	/// How many tokens can be mined into this collection.
 	TokenLimit,
-	/// @dev Timeouts for transfer sponsoring.
+	/// Timeouts for transfer sponsoring.
 	SponsorTransferTimeout,
-	/// @dev Timeout for sponsoring an approval in passed blocks.
+	/// Timeout for sponsoring an approval in passed blocks.
 	SponsorApproveTimeout,
-	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	/// Whether the collection owner of the collection can send tokens (which belong to other users).
 	OwnerCanTransfer,
-	/// @dev Can the collection owner burn other people's tokens.
+	/// Can the collection owner burn other people's tokens.
 	OwnerCanDestroy,
-	/// @dev Is it possible to send tokens from this collection between users.
+	/// Is it possible to send tokens from this collection between users.
 	TransferEnabled
 }
 
-/// @dev anonymous struct
-struct Tuple35 {
-	CollectionLimits field_0;
-	bool field_1;
-	uint256 field_2;
-}
-
 /// @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 /// @dev See https://eips.ethereum.org/EIPS/eip-721
 /// @dev the ERC-165 identifier for this interface is 0x5b5e139f
@@ -832,11 +817,11 @@
 	/// @param tokenId Id for the token.
 	/// @dev EVM selector for this function is: 0x2b29dace,
 	///  or in textual repr: crossOwnerOf(uint256)
-	function crossOwnerOf(uint256 tokenId) public view returns (EthCrossAccount memory) {
+	function crossOwnerOf(uint256 tokenId) public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		tokenId;
 		dummy;
-		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
 	/// Returns the token properties.
@@ -862,7 +847,7 @@
 	/// @param tokenId The NFT to approve
 	/// @dev EVM selector for this function is: 0x0ecd0ab0,
 	///  or in textual repr: approveCross((address,uint256),uint256)
-	function approveCross(EthCrossAccount memory approved, uint256 tokenId) public {
+	function approveCross(CrossAddress memory approved, uint256 tokenId) public {
 		require(false, stub_error);
 		approved;
 		tokenId;
@@ -890,7 +875,7 @@
 	/// @param tokenId The NFT to transfer
 	/// @dev EVM selector for this function is: 0x2ada85ff,
 	///  or in textual repr: transferCross((address,uint256),uint256)
-	function transferCross(EthCrossAccount memory to, uint256 tokenId) public {
+	function transferCross(CrossAddress memory to, uint256 tokenId) public {
 		require(false, stub_error);
 		to;
 		tokenId;
@@ -906,8 +891,8 @@
 	/// @dev EVM selector for this function is: 0xd5cf430b,
 	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)
 	function transferFromCross(
-		EthCrossAccount memory from,
-		EthCrossAccount memory to,
+		CrossAddress memory from,
+		CrossAddress memory to,
 		uint256 tokenId
 	) public {
 		require(false, stub_error);
@@ -940,7 +925,7 @@
 	/// @param tokenId The NFT to transfer
 	/// @dev EVM selector for this function is: 0xbb2f5a58,
 	///  or in textual repr: burnFromCross((address,uint256),uint256)
-	function burnFromCross(EthCrossAccount memory from, uint256 tokenId) public {
+	function burnFromCross(CrossAddress memory from, uint256 tokenId) public {
 		require(false, stub_error);
 		from;
 		tokenId;
@@ -992,7 +977,7 @@
 	/// @return uint256 The id of the newly minted token
 	/// @dev EVM selector for this function is: 0xb904db03,
 	///  or in textual repr: mintCross((address,uint256),(string,bytes)[])
-	function mintCross(EthCrossAccount memory to, Property[] memory properties) public returns (uint256) {
+	function mintCross(CrossAddress memory to, Property[] memory properties) public returns (uint256) {
 		require(false, stub_error);
 		to;
 		properties;
modifiedpallets/refungible/src/erc.rsdiffbeforeafterboth
--- a/pallets/refungible/src/erc.rs
+++ b/pallets/refungible/src/erc.rs
@@ -27,14 +27,14 @@
 };
 use evm_coder::{
 	abi::AbiType, ToLog, execution::*, generate_stubgen, solidity, solidity_interface, types::*,
-	types::Property as PropertyStruct, weight,
+	weight,
 };
 use frame_support::{BoundedBTreeMap, BoundedVec};
 use pallet_common::{
 	CollectionHandle, CollectionPropertyPermissions, CommonCollectionOperations,
-	erc::{CommonEvmHandler, CollectionCall, static_property::key},
-	eth::{EthCrossAccount, EthTokenPermissions},
 	Error as CommonError,
+	erc::{CommonEvmHandler, CollectionCall, static_property::key},
+	eth,
 };
 use pallet_evm::{account::CrossAccountId, PrecompileHandle};
 use pallet_evm_coder_substrate::{call, dispatch_to_evm};
@@ -97,67 +97,21 @@
 	fn set_token_property_permissions(
 		&mut self,
 		caller: caller,
-		permissions: Vec<(string, Vec<(EthTokenPermissions, bool)>)>,
+		permissions: Vec<eth::TokenPropertyPermission>,
 	) -> Result<()> {
 		let caller = T::CrossAccountId::from_eth(caller);
-		const PERMISSIONS_FIELDS_COUNT: usize = 3;
-
-		let mut perms = Vec::new();
-
-		for (key, pp) in permissions {
-			if pp.len() > PERMISSIONS_FIELDS_COUNT {
-				return Err(alloc::format!(
-					"Actual number of fields {} for {}, which exceeds the maximum value of {}",
-					pp.len(),
-					stringify!(EthTokenPermissions),
-					PERMISSIONS_FIELDS_COUNT
-				)
-				.as_str()
-				.into());
-			}
-
-			let mut token_permission = PropertyPermission {
-				mutable: false,
-				collection_admin: false,
-				token_owner: false,
-			};
-
-			for (perm, value) in pp {
-				match perm {
-					EthTokenPermissions::Mutable => token_permission.mutable = value,
-					EthTokenPermissions::TokenOwner => token_permission.token_owner = value,
-					EthTokenPermissions::CollectionAdmin => {
-						token_permission.collection_admin = value
-					}
-				}
-			}
+		let perms = eth::TokenPropertyPermission::into_property_key_permissions(permissions)?;
 
-			perms.push(PropertyKeyPermission {
-				key: key.into_bytes().try_into().map_err(|_| "too long key")?,
-				permission: token_permission,
-			});
-		}
-
 		<Pallet<T>>::set_token_property_permissions(self, &caller, perms)
 			.map_err(dispatch_to_evm::<T>)
 	}
 
 	/// @notice Get permissions for token properties.
-	fn token_property_permissions(
-		&self,
-	) -> Result<Vec<(string, Vec<(EthTokenPermissions, bool)>)>> {
+	fn token_property_permissions(&self) -> Result<Vec<eth::TokenPropertyPermission>> {
 		let perms = <Pallet<T>>::token_property_permission(self.id);
 		Ok(perms
 			.into_iter()
-			.map(|(key, pp)| {
-				let key = string::from_utf8(key.into_inner()).expect("Stored key must be valid");
-				let pp = vec![
-					(EthTokenPermissions::Mutable, pp.mutable),
-					(EthTokenPermissions::TokenOwner, pp.token_owner),
-					(EthTokenPermissions::CollectionAdmin, pp.collection_admin),
-				];
-				(key, pp)
-			})
+			.map(eth::TokenPropertyPermission::from)
 			.collect())
 	}
 
@@ -205,7 +159,7 @@
 		&mut self,
 		caller: caller,
 		token_id: uint256,
-		properties: Vec<PropertyStruct>,
+		properties: Vec<eth::Property>,
 	) -> Result<()> {
 		let caller = T::CrossAccountId::from_eth(caller);
 		let token_id: u32 = token_id.try_into().map_err(|_| "token id overflow")?;
@@ -216,15 +170,7 @@
 
 		let properties = properties
 			.into_iter()
-			.map(|PropertyStruct { key, value }| {
-				let key = <Vec<u8>>::from(key)
-					.try_into()
-					.map_err(|_| "key too large")?;
-
-				let value = value.0.try_into().map_err(|_| "value too large")?;
-
-				Ok(Property { key, value })
-			})
+			.map(eth::Property::try_into)
 			.collect::<Result<Vec<_>>>()?;
 
 		<Pallet<T>>::set_token_properties(
@@ -839,9 +785,9 @@
 	/// Returns the owner (in cross format) of the token.
 	///
 	/// @param tokenId Id for the token.
-	fn cross_owner_of(&self, token_id: uint256) -> Result<EthCrossAccount> {
+	fn cross_owner_of(&self, token_id: uint256) -> Result<eth::CrossAddress> {
 		Self::token_owner(&self, token_id.try_into()?)
-			.map(|o| EthCrossAccount::from_sub_cross_account::<T>(&o))
+			.map(|o| eth::CrossAddress::from_sub_cross_account::<T>(&o))
 			.ok_or(Error::Revert("key too large".into()))
 	}
 
@@ -850,7 +796,7 @@
 	/// @param tokenId Id for the token.
 	/// @param keys Properties keys. Empty keys for all propertyes.
 	/// @return Vector of properties key/value pairs.
-	fn properties(&self, token_id: uint256, keys: Vec<string>) -> Result<Vec<PropertyStruct>> {
+	fn properties(&self, token_id: uint256, keys: Vec<string>) -> Result<Vec<eth::Property>> {
 		let keys = keys
 			.into_iter()
 			.map(|key| {
@@ -866,12 +812,7 @@
 			if keys.is_empty() { None } else { Some(keys) },
 		)
 		.into_iter()
-		.map(|p| {
-			let key = string::from_utf8(p.key.to_vec())
-				.map_err(|e| Error::Revert(alloc::format!("{}", e)))?;
-			let value = bytes(p.value.to_vec());
-			Ok(PropertyStruct { key, value })
-		})
+		.map(eth::Property::try_from)
 		.collect::<Result<Vec<_>>>()
 	}
 	/// @notice Transfer ownership of an RFT
@@ -907,7 +848,7 @@
 	fn transfer_cross(
 		&mut self,
 		caller: caller,
-		to: EthCrossAccount,
+		to: eth::CrossAddress,
 		token_id: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -935,8 +876,8 @@
 	fn transfer_from_cross(
 		&mut self,
 		caller: caller,
-		from: EthCrossAccount,
-		to: EthCrossAccount,
+		from: eth::CrossAddress,
+		to: eth::CrossAddress,
 		token_id: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -991,7 +932,7 @@
 	fn burn_from_cross(
 		&mut self,
 		caller: caller,
-		from: EthCrossAccount,
+		from: eth::CrossAddress,
 		token_id: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -1128,8 +1069,8 @@
 	fn mint_cross(
 		&mut self,
 		caller: caller,
-		to: EthCrossAccount,
-		properties: Vec<PropertyStruct>,
+		to: eth::CrossAddress,
+		properties: Vec<eth::Property>,
 	) -> Result<uint256> {
 		let token_id = <TokensMinted<T>>::get(self.id)
 			.checked_add(1)
@@ -1139,15 +1080,7 @@
 
 		let properties = properties
 			.into_iter()
-			.map(|PropertyStruct { key, value }| {
-				let key = <Vec<u8>>::from(key)
-					.try_into()
-					.map_err(|_| "key too large")?;
-
-				let value = value.0.try_into().map_err(|_| "value too large")?;
-
-				Ok(Property { key, value })
-			})
+			.map(eth::Property::try_into)
 			.collect::<Result<Vec<_>>>()?
 			.try_into()
 			.map_err(|_| Error::Revert(alloc::format!("too many properties")))?;
modifiedpallets/refungible/src/erc_token.rsdiffbeforeafterboth
--- a/pallets/refungible/src/erc_token.rs
+++ b/pallets/refungible/src/erc_token.rs
@@ -30,7 +30,7 @@
 use pallet_common::{
 	CommonWeightInfo,
 	erc::{CommonEvmHandler, PrecompileResult},
-	eth::{collection_id_to_address, EthCrossAccount},
+	eth::collection_id_to_address,
 };
 use pallet_evm::{account::CrossAccountId, PrecompileHandle};
 use pallet_evm_coder_substrate::{call, dispatch_to_evm, WithRecorder};
@@ -224,7 +224,7 @@
 	fn burn_from_cross(
 		&mut self,
 		caller: caller,
-		from: EthCrossAccount,
+		from: pallet_common::eth::CrossAddress,
 		amount: uint256,
 	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -250,7 +250,7 @@
 	fn approve_cross(
 		&mut self,
 		caller: caller,
-		spender: EthCrossAccount,
+		spender: pallet_common::eth::CrossAddress,
 		amount: uint256,
 	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -280,7 +280,7 @@
 	fn transfer_cross(
 		&mut self,
 		caller: caller,
-		to: EthCrossAccount,
+		to: pallet_common::eth::CrossAddress,
 		amount: uint256,
 	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
@@ -303,8 +303,8 @@
 	fn transfer_from_cross(
 		&mut self,
 		caller: caller,
-		from: EthCrossAccount,
-		to: EthCrossAccount,
+		from: pallet_common::eth::CrossAddress,
+		to: pallet_common::eth::CrossAddress,
 		amount: uint256,
 	) -> Result<bool> {
 		let caller = T::CrossAccountId::from_eth(caller);
modifiedpallets/refungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -92,12 +92,8 @@
 
 use codec::{Encode, Decode, MaxEncodedLen};
 use core::ops::Deref;
-use derivative::Derivative;
 use evm_coder::ToLog;
-use frame_support::{
-	BoundedBTreeMap, BoundedVec, ensure, fail, storage::with_transaction, transactional,
-	pallet_prelude::ConstU32,
-};
+use frame_support::{BoundedVec, ensure, fail, storage::with_transaction, transactional};
 use pallet_evm::{account::CrossAccountId, Pallet as PalletEvm};
 use pallet_evm_coder_substrate::WithRecorder;
 use pallet_common::{
@@ -110,11 +106,10 @@
 use sp_runtime::{ArithmeticError, DispatchError, DispatchResult, TransactionOutcome};
 use sp_std::{vec::Vec, vec, collections::btree_map::BTreeMap};
 use up_data_structs::{
-	AccessMode, budget::Budget, CollectionId, CollectionFlags, CollectionPropertiesVec,
-	CreateCollectionData, CustomDataLimit, mapping::TokenAddressMapping, MAX_ITEMS_PER_BATCH,
-	MAX_REFUNGIBLE_PIECES, Property, PropertyKey, PropertyKeyPermission, PropertyPermission,
-	PropertyScope, PropertyValue, TokenId, TrySetProperty, PropertiesPermissionMap,
-	CreateRefungibleExMultipleOwners,
+	AccessMode, budget::Budget, CollectionId, CollectionFlags, CreateCollectionData,
+	CustomDataLimit, mapping::TokenAddressMapping, MAX_REFUNGIBLE_PIECES, Property, PropertyKey,
+	PropertyKeyPermission, PropertyPermission, PropertyScope, PropertyValue, TokenId,
+	TrySetProperty, PropertiesPermissionMap, CreateRefungibleExMultipleOwners,
 };
 
 pub use pallet::*;
modifiedpallets/refungible/src/stubs/UniqueRefungible.rawdiffbeforeafterboth

binary blob — no preview

modifiedpallets/refungible/src/stubs/UniqueRefungible.soldiffbeforeafterboth
--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -42,7 +42,7 @@
 	/// @param permissions Permissions for keys.
 	/// @dev EVM selector for this function is: 0xbd92983a,
 	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])
-	function setTokenPropertyPermissions(Tuple60[] memory permissions) public {
+	function setTokenPropertyPermissions(TokenPropertyPermission[] memory permissions) public {
 		require(false, stub_error);
 		permissions;
 		dummy = 0;
@@ -51,10 +51,10 @@
 	/// @notice Get permissions for token properties.
 	/// @dev EVM selector for this function is: 0xf23d7790,
 	///  or in textual repr: tokenPropertyPermissions()
-	function tokenPropertyPermissions() public view returns (Tuple60[] memory) {
+	function tokenPropertyPermissions() public view returns (TokenPropertyPermission[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple60[](0);
+		return new TokenPropertyPermission[](0);
 	}
 
 	// /// @notice Set token property value.
@@ -127,36 +127,40 @@
 	}
 }
 
-/// @dev Property struct
+/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
 struct Property {
 	string key;
 	bytes value;
 }
 
-/// @dev Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
-enum EthTokenPermissions {
-	/// @dev Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
-	Mutable,
-	/// @dev Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
-	TokenOwner,
-	/// @dev Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
-	CollectionAdmin
+/// Ethereum representation of Token Property Permissions.
+struct TokenPropertyPermission {
+	/// Token property key.
+	string key;
+	/// Token property permissions.
+	PropertyPermission[] permissions;
 }
 
-/// @dev anonymous struct
-struct Tuple60 {
-	string field_0;
-	Tuple58[] field_1;
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) as an key and value.
+struct PropertyPermission {
+	/// TokenPermission field.
+	TokenPermissionField code;
+	/// TokenPermission value.
+	bool value;
 }
 
-/// @dev anonymous struct
-struct Tuple58 {
-	EthTokenPermissions field_0;
-	bool field_1;
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
+enum TokenPermissionField {
+	/// Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
+	Mutable,
+	/// Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
+	TokenOwner,
+	/// Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
+	CollectionAdmin
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x81172a75
+/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
 contract Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -252,7 +256,7 @@
 	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.
 	/// @dev EVM selector for this function is: 0x84a1d5a8,
 	///  or in textual repr: setCollectionSponsorCross((address,uint256))
-	function setCollectionSponsorCross(EthCrossAccount memory sponsor) public {
+	function setCollectionSponsorCross(CrossAddress memory sponsor) public {
 		require(false, stub_error);
 		sponsor;
 		dummy = 0;
@@ -290,58 +294,31 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x6ec0a9f1,
 	///  or in textual repr: collectionSponsor()
-	function collectionSponsor() public view returns (EthCrossAccount memory) {
+	function collectionSponsor() public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		dummy;
-		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
 	/// Get current collection limits.
 	///
-	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// Return `false` if a limit not set.
+	/// @return Array of collection limits
 	/// @dev EVM selector for this function is: 0xf63bc572,
 	///  or in textual repr: collectionLimits()
-	function collectionLimits() public view returns (Tuple34[] memory) {
+	function collectionLimits() public view returns (CollectionLimit[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple34[](0);
+		return new CollectionLimit[](0);
 	}
 
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
-	/// @param limit Name of the limit. Valid names:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// @param status enable\disable limit. Works only with `true`.
-	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x88150bd0,
-	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
-	function setCollectionLimit(
-		CollectionLimits limit,
-		bool status,
-		uint256 value
-	) public {
+	/// @param limit Some limit.
+	/// @dev EVM selector for this function is: 0x2316ee74,
+	///  or in textual repr: setCollectionLimit((uint8,(bool,uint256)))
+	function setCollectionLimit(CollectionLimit memory limit) public {
 		require(false, stub_error);
 		limit;
-		status;
-		value;
 		dummy = 0;
 	}
 
@@ -358,7 +335,7 @@
 	/// @param newAdmin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x859aa7d6,
 	///  or in textual repr: addCollectionAdminCross((address,uint256))
-	function addCollectionAdminCross(EthCrossAccount memory newAdmin) public {
+	function addCollectionAdminCross(CrossAddress memory newAdmin) public {
 		require(false, stub_error);
 		newAdmin;
 		dummy = 0;
@@ -368,7 +345,7 @@
 	/// @param admin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x6c0cd173,
 	///  or in textual repr: removeCollectionAdminCross((address,uint256))
-	function removeCollectionAdminCross(EthCrossAccount memory admin) public {
+	function removeCollectionAdminCross(CrossAddress memory admin) public {
 		require(false, stub_error);
 		admin;
 		dummy = 0;
@@ -422,19 +399,19 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() public view returns (Tuple40 memory) {
+	function collectionNestingRestrictedCollectionIds() public view returns (CollectionNesting memory) {
 		require(false, stub_error);
 		dummy;
-		return Tuple40(false, new uint256[](0));
+		return CollectionNesting(false, new uint256[](0));
 	}
 
 	/// Returns permissions for a collection
 	/// @dev EVM selector for this function is: 0x5b2eaf4b,
 	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() public view returns (Tuple43[] memory) {
+	function collectionNestingPermissions() public view returns (CollectionNestingPermission[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple43[](0);
+		return new CollectionNestingPermission[](0);
 	}
 
 	/// Set the collection access method.
@@ -454,7 +431,7 @@
 	/// @param user User address to check.
 	/// @dev EVM selector for this function is: 0x91b6df49,
 	///  or in textual repr: allowlistedCross((address,uint256))
-	function allowlistedCross(EthCrossAccount memory user) public view returns (bool) {
+	function allowlistedCross(CrossAddress memory user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
@@ -477,7 +454,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0xa0184a3a,
 	///  or in textual repr: addToCollectionAllowListCross((address,uint256))
-	function addToCollectionAllowListCross(EthCrossAccount memory user) public {
+	function addToCollectionAllowListCross(CrossAddress memory user) public {
 		require(false, stub_error);
 		user;
 		dummy = 0;
@@ -499,7 +476,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0x09ba452a,
 	///  or in textual repr: removeFromCollectionAllowListCross((address,uint256))
-	function removeFromCollectionAllowListCross(EthCrossAccount memory user) public {
+	function removeFromCollectionAllowListCross(CrossAddress memory user) public {
 		require(false, stub_error);
 		user;
 		dummy = 0;
@@ -535,7 +512,7 @@
 	/// @return "true" if account is the owner or admin
 	/// @dev EVM selector for this function is: 0x3e75a905,
 	///  or in textual repr: isOwnerOrAdminCross((address,uint256))
-	function isOwnerOrAdminCross(EthCrossAccount memory user) public view returns (bool) {
+	function isOwnerOrAdminCross(CrossAddress memory user) public view returns (bool) {
 		require(false, stub_error);
 		user;
 		dummy;
@@ -559,10 +536,10 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0xdf727d3b,
 	///  or in textual repr: collectionOwner()
-	function collectionOwner() public view returns (EthCrossAccount memory) {
+	function collectionOwner() public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		dummy;
-		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
 	// /// Changes collection owner to another account
@@ -583,10 +560,10 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0x5813216b,
 	///  or in textual repr: collectionAdmins()
-	function collectionAdmins() public view returns (EthCrossAccount[] memory) {
+	function collectionAdmins() public view returns (CrossAddress[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new EthCrossAccount[](0);
+		return new CrossAddress[](0);
 	}
 
 	/// Changes collection owner to another account
@@ -595,65 +572,73 @@
 	/// @param newOwner new owner cross account
 	/// @dev EVM selector for this function is: 0x6496c497,
 	///  or in textual repr: changeCollectionOwnerCross((address,uint256))
-	function changeCollectionOwnerCross(EthCrossAccount memory newOwner) public {
+	function changeCollectionOwnerCross(CrossAddress memory newOwner) public {
 		require(false, stub_error);
 		newOwner;
 		dummy = 0;
 	}
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
 
-enum CollectionPermissions {
-	CollectionAdmin,
-	TokenOwner
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) field.
+struct CollectionNestingPermission {
+	CollectionPermissionField field;
+	bool value;
 }
 
-/// @dev anonymous struct
-struct Tuple43 {
-	CollectionPermissions field_0;
-	bool field_1;
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.
+enum CollectionPermissionField {
+	/// Owner of token can nest tokens under it.
+	TokenOwner,
+	/// Admin of token collection can nest tokens under token.
+	CollectionAdmin
 }
 
-/// @dev anonymous struct
-struct Tuple40 {
-	bool field_0;
-	uint256[] field_1;
+/// Nested collections.
+struct CollectionNesting {
+	bool token_owner;
+	uint256[] ids;
 }
 
-/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
-enum CollectionLimits {
-	/// @dev How many tokens can a user have on one account.
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+struct CollectionLimit {
+	CollectionLimitField field;
+	OptionUint value;
+}
+
+/// Ethereum representation of Optional value with uint256.
+struct OptionUint {
+	bool status;
+	uint256 value;
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.
+enum CollectionLimitField {
+	/// How many tokens can a user have on one account.
 	AccountTokenOwnership,
-	/// @dev How many bytes of data are available for sponsorship.
+	/// How many bytes of data are available for sponsorship.
 	SponsoredDataSize,
-	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
 	SponsoredDataRateLimit,
-	/// @dev How many tokens can be mined into this collection.
+	/// How many tokens can be mined into this collection.
 	TokenLimit,
-	/// @dev Timeouts for transfer sponsoring.
+	/// Timeouts for transfer sponsoring.
 	SponsorTransferTimeout,
-	/// @dev Timeout for sponsoring an approval in passed blocks.
+	/// Timeout for sponsoring an approval in passed blocks.
 	SponsorApproveTimeout,
-	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	/// Whether the collection owner of the collection can send tokens (which belong to other users).
 	OwnerCanTransfer,
-	/// @dev Can the collection owner burn other people's tokens.
+	/// Can the collection owner burn other people's tokens.
 	OwnerCanDestroy,
-	/// @dev Is it possible to send tokens from this collection between users.
+	/// Is it possible to send tokens from this collection between users.
 	TransferEnabled
 }
 
-/// @dev anonymous struct
-struct Tuple34 {
-	CollectionLimits field_0;
-	bool field_1;
-	uint256 field_2;
-}
-
 /// @dev the ERC-165 identifier for this interface is 0x5b5e139f
 contract ERC721Metadata is Dummy, ERC165 {
 	// /// @notice A descriptive name for a collection of NFTs in this contract
@@ -830,11 +815,11 @@
 	/// @param tokenId Id for the token.
 	/// @dev EVM selector for this function is: 0x2b29dace,
 	///  or in textual repr: crossOwnerOf(uint256)
-	function crossOwnerOf(uint256 tokenId) public view returns (EthCrossAccount memory) {
+	function crossOwnerOf(uint256 tokenId) public view returns (CrossAddress memory) {
 		require(false, stub_error);
 		tokenId;
 		dummy;
-		return EthCrossAccount(0x0000000000000000000000000000000000000000, 0);
+		return CrossAddress(0x0000000000000000000000000000000000000000, 0);
 	}
 
 	/// Returns the token properties.
@@ -875,7 +860,7 @@
 	/// @param tokenId The RFT to transfer
 	/// @dev EVM selector for this function is: 0x2ada85ff,
 	///  or in textual repr: transferCross((address,uint256),uint256)
-	function transferCross(EthCrossAccount memory to, uint256 tokenId) public {
+	function transferCross(CrossAddress memory to, uint256 tokenId) public {
 		require(false, stub_error);
 		to;
 		tokenId;
@@ -891,8 +876,8 @@
 	/// @dev EVM selector for this function is: 0xd5cf430b,
 	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)
 	function transferFromCross(
-		EthCrossAccount memory from,
-		EthCrossAccount memory to,
+		CrossAddress memory from,
+		CrossAddress memory to,
 		uint256 tokenId
 	) public {
 		require(false, stub_error);
@@ -927,7 +912,7 @@
 	/// @param tokenId The RFT to transfer
 	/// @dev EVM selector for this function is: 0xbb2f5a58,
 	///  or in textual repr: burnFromCross((address,uint256),uint256)
-	function burnFromCross(EthCrossAccount memory from, uint256 tokenId) public {
+	function burnFromCross(CrossAddress memory from, uint256 tokenId) public {
 		require(false, stub_error);
 		from;
 		tokenId;
@@ -979,7 +964,7 @@
 	/// @return uint256 The id of the newly minted token
 	/// @dev EVM selector for this function is: 0xb904db03,
 	///  or in textual repr: mintCross((address,uint256),(string,bytes)[])
-	function mintCross(EthCrossAccount memory to, Property[] memory properties) public returns (uint256) {
+	function mintCross(CrossAddress memory to, Property[] memory properties) public returns (uint256) {
 		require(false, stub_error);
 		to;
 		properties;
modifiedpallets/refungible/src/stubs/UniqueRefungibleToken.rawdiffbeforeafterboth

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modifiedpallets/refungible/src/stubs/UniqueRefungibleToken.soldiffbeforeafterboth
--- a/pallets/refungible/src/stubs/UniqueRefungibleToken.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungibleToken.sol
@@ -58,7 +58,7 @@
 	/// @param amount The amount that will be burnt.
 	/// @dev EVM selector for this function is: 0xbb2f5a58,
 	///  or in textual repr: burnFromCross((address,uint256),uint256)
-	function burnFromCross(EthCrossAccount memory from, uint256 amount) public returns (bool) {
+	function burnFromCross(CrossAddress memory from, uint256 amount) public returns (bool) {
 		require(false, stub_error);
 		from;
 		amount;
@@ -75,7 +75,7 @@
 	/// @param amount The amount of tokens to be spent.
 	/// @dev EVM selector for this function is: 0x0ecd0ab0,
 	///  or in textual repr: approveCross((address,uint256),uint256)
-	function approveCross(EthCrossAccount memory spender, uint256 amount) public returns (bool) {
+	function approveCross(CrossAddress memory spender, uint256 amount) public returns (bool) {
 		require(false, stub_error);
 		spender;
 		amount;
@@ -100,7 +100,7 @@
 	/// @param amount The amount to be transferred.
 	/// @dev EVM selector for this function is: 0x2ada85ff,
 	///  or in textual repr: transferCross((address,uint256),uint256)
-	function transferCross(EthCrossAccount memory to, uint256 amount) public returns (bool) {
+	function transferCross(CrossAddress memory to, uint256 amount) public returns (bool) {
 		require(false, stub_error);
 		to;
 		amount;
@@ -115,8 +115,8 @@
 	/// @dev EVM selector for this function is: 0xd5cf430b,
 	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)
 	function transferFromCross(
-		EthCrossAccount memory from,
-		EthCrossAccount memory to,
+		CrossAddress memory from,
+		CrossAddress memory to,
 		uint256 amount
 	) public returns (bool) {
 		require(false, stub_error);
@@ -128,8 +128,8 @@
 	}
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
modifiedpallets/unique/src/eth/stubs/CollectionHelpers.rawdiffbeforeafterboth

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modifiedpallets/unique/src/lib.rsdiffbeforeafterboth
--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -74,7 +74,7 @@
 extern crate alloc;
 
 use frame_support::{
-	decl_module, decl_storage, decl_error, decl_event,
+	decl_module, decl_storage, decl_error,
 	dispatch::DispatchResult,
 	ensure, fail,
 	weights::{Weight},
modifiedruntime/common/config/xcm/foreignassets.rsdiffbeforeafterboth
--- a/runtime/common/config/xcm/foreignassets.rs
+++ b/runtime/common/config/xcm/foreignassets.rs
@@ -18,7 +18,7 @@
 	traits::{Contains, Get, fungibles},
 	parameter_types,
 };
-use sp_runtime::traits::{Zero, Convert};
+use sp_runtime::traits::Convert;
 use xcm::v1::{Junction::*, MultiLocation, Junctions::*};
 use xcm::latest::MultiAsset;
 use xcm_builder::{FungiblesAdapter, ConvertedConcreteAssetId};
@@ -38,16 +38,16 @@
 	pub CheckingAccount: AccountId = PolkadotXcm::check_account();
 }
 
-/// Allow checking in assets that have issuance > 0.
-pub struct NonZeroIssuance<AccountId, ForeignAssets>(PhantomData<(AccountId, ForeignAssets)>);
+/// No teleports are allowed
+pub struct NoTeleports<AccountId, ForeignAssets>(PhantomData<(AccountId, ForeignAssets)>);
 
 impl<AccountId, ForeignAssets> Contains<<ForeignAssets as fungibles::Inspect<AccountId>>::AssetId>
-	for NonZeroIssuance<AccountId, ForeignAssets>
+	for NoTeleports<AccountId, ForeignAssets>
 where
 	ForeignAssets: fungibles::Inspect<AccountId>,
 {
-	fn contains(id: &<ForeignAssets as fungibles::Inspect<AccountId>>::AssetId) -> bool {
-		!ForeignAssets::total_issuance(*id).is_zero()
+	fn contains(_id: &<ForeignAssets as fungibles::Inspect<AccountId>>::AssetId) -> bool {
+		false
 	}
 }
 
@@ -84,7 +84,7 @@
 			Some(AssetIds::ForeignAssetId(foreign_asset_id)) => {
 				ConvertAssetId::convert_ref(AssetIds::ForeignAssetId(foreign_asset_id))
 			}
-			_ => ConvertAssetId::convert_ref(AssetIds::ForeignAssetId(0)),
+			_ => Err(()),
 		}
 	}
 
@@ -132,9 +132,8 @@
 	LocationToAccountId,
 	// Our chain's account ID type (we can't get away without mentioning it explicitly):
 	AccountId,
-	// We only want to allow teleports of known assets. We use non-zero issuance as an indication
-	// that this asset is known.
-	NonZeroIssuance<AccountId, ForeignAssets>,
+	// No teleports are allowed
+	NoTeleports<AccountId, ForeignAssets>,
 	// The account to use for tracking teleports.
 	CheckingAccount,
 >;
modifiedruntime/common/config/xcm/mod.rsdiffbeforeafterboth
--- a/runtime/common/config/xcm/mod.rs
+++ b/runtime/common/config/xcm/mod.rs
@@ -186,6 +186,9 @@
 			TransferReserveAsset { dest: dst, .. } => {
 				allowed |= allowed_locations.contains(dst);
 			}
+			InitiateReserveWithdraw { reserve: dst, .. } => {
+				allowed |= allowed_locations.contains(dst);
+			}
 			_ => {}
 		});
 
modifiedtests/src/config.tsdiffbeforeafterboth
--- a/tests/src/config.ts
+++ b/tests/src/config.ts
@@ -25,6 +25,8 @@
   moonbeamUrl: process.env.moonbeamUrl || 'ws://127.0.0.1:9947',
   moonriverUrl: process.env.moonbeamUrl || 'ws://127.0.0.1:9947',
   westmintUrl: process.env.westmintUrl || 'ws://127.0.0.1:9948',
+  statemineUrl: process.env.statemineUrl || 'ws://127.0.0.1:9948',
+  statemintUrl: process.env.statemintUrl || 'ws://127.0.0.1:9948',
 };
 
 export default config;
modifiedtests/src/eth/abi/contractHelpers.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/contractHelpers.json
+++ b/tests/src/eth/abi/contractHelpers.json
@@ -190,7 +190,11 @@
         "name": "contractAddress",
         "type": "address"
       },
-      { "internalType": "uint8", "name": "mode", "type": "uint8" }
+      {
+        "internalType": "enum SponsoringModeT",
+        "name": "mode",
+        "type": "uint8"
+      }
     ],
     "name": "setSponsoringMode",
     "outputs": [],
@@ -223,10 +227,18 @@
     "outputs": [
       {
         "components": [
-          { "internalType": "address", "name": "eth", "type": "address" },
-          { "internalType": "uint256", "name": "sub", "type": "uint256" }
+          { "internalType": "bool", "name": "status", "type": "bool" },
+          {
+            "components": [
+              { "internalType": "address", "name": "eth", "type": "address" },
+              { "internalType": "uint256", "name": "sub", "type": "uint256" }
+            ],
+            "internalType": "struct CrossAddress",
+            "name": "value",
+            "type": "tuple"
+          }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct OptionCrossAddress",
         "name": "",
         "type": "tuple"
       }
modifiedtests/src/eth/abi/fungible.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/fungible.json
+++ b/tests/src/eth/abi/fungible.json
@@ -56,7 +56,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "newAdmin",
         "type": "tuple"
       }
@@ -73,7 +73,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -100,7 +100,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -127,7 +127,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "spender",
         "type": "tuple"
       },
@@ -154,7 +154,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "from",
         "type": "tuple"
       },
@@ -172,7 +172,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "newOwner",
         "type": "tuple"
       }
@@ -191,7 +191,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount[]",
+        "internalType": "struct CrossAddress[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -213,14 +213,21 @@
       {
         "components": [
           {
-            "internalType": "enum CollectionLimits",
-            "name": "field_0",
+            "internalType": "enum CollectionLimitField",
+            "name": "field",
             "type": "uint8"
           },
-          { "internalType": "bool", "name": "field_1", "type": "bool" },
-          { "internalType": "uint256", "name": "field_2", "type": "uint256" }
+          {
+            "components": [
+              { "internalType": "bool", "name": "status", "type": "bool" },
+              { "internalType": "uint256", "name": "value", "type": "uint256" }
+            ],
+            "internalType": "struct OptionUint",
+            "name": "value",
+            "type": "tuple"
+          }
         ],
-        "internalType": "struct Tuple23[]",
+        "internalType": "struct CollectionLimit[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -235,13 +242,13 @@
       {
         "components": [
           {
-            "internalType": "enum CollectionPermissions",
-            "name": "field_0",
+            "internalType": "enum CollectionPermissionField",
+            "name": "field",
             "type": "uint8"
           },
-          { "internalType": "bool", "name": "field_1", "type": "bool" }
+          { "internalType": "bool", "name": "value", "type": "bool" }
         ],
-        "internalType": "struct Tuple32[]",
+        "internalType": "struct CollectionNestingPermission[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -255,14 +262,10 @@
     "outputs": [
       {
         "components": [
-          { "internalType": "bool", "name": "field_0", "type": "bool" },
-          {
-            "internalType": "uint256[]",
-            "name": "field_1",
-            "type": "uint256[]"
-          }
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
+          { "internalType": "uint256[]", "name": "ids", "type": "uint256[]" }
         ],
-        "internalType": "struct Tuple29",
+        "internalType": "struct CollectionNesting",
         "name": "",
         "type": "tuple"
       }
@@ -279,7 +282,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "",
         "type": "tuple"
       }
@@ -322,7 +325,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "",
         "type": "tuple"
       }
@@ -381,7 +384,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -425,7 +428,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
@@ -450,7 +453,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "admin",
         "type": "tuple"
       }
@@ -474,7 +477,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -494,12 +497,26 @@
   {
     "inputs": [
       {
-        "internalType": "enum CollectionLimits",
+        "components": [
+          {
+            "internalType": "enum CollectionLimitField",
+            "name": "field",
+            "type": "uint8"
+          },
+          {
+            "components": [
+              { "internalType": "bool", "name": "status", "type": "bool" },
+              { "internalType": "uint256", "name": "value", "type": "uint256" }
+            ],
+            "internalType": "struct OptionUint",
+            "name": "value",
+            "type": "tuple"
+          }
+        ],
+        "internalType": "struct CollectionLimit",
         "name": "limit",
-        "type": "uint8"
-      },
-      { "internalType": "bool", "name": "status", "type": "bool" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" }
+        "type": "tuple"
+      }
     ],
     "name": "setCollectionLimit",
     "outputs": [],
@@ -558,7 +575,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "sponsor",
         "type": "tuple"
       }
@@ -608,7 +625,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
@@ -637,7 +654,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "from",
         "type": "tuple"
       },
@@ -646,7 +663,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
modifiedtests/src/eth/abi/nonFungible.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/nonFungible.json
+++ b/tests/src/eth/abi/nonFungible.json
@@ -87,7 +87,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "newAdmin",
         "type": "tuple"
       }
@@ -104,7 +104,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -121,7 +121,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -148,7 +148,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "approved",
         "type": "tuple"
       },
@@ -184,7 +184,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "from",
         "type": "tuple"
       },
@@ -202,7 +202,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "newOwner",
         "type": "tuple"
       }
@@ -221,7 +221,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount[]",
+        "internalType": "struct CrossAddress[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -243,14 +243,21 @@
       {
         "components": [
           {
-            "internalType": "enum CollectionLimits",
-            "name": "field_0",
+            "internalType": "enum CollectionLimitField",
+            "name": "field",
             "type": "uint8"
           },
-          { "internalType": "bool", "name": "field_1", "type": "bool" },
-          { "internalType": "uint256", "name": "field_2", "type": "uint256" }
+          {
+            "components": [
+              { "internalType": "bool", "name": "status", "type": "bool" },
+              { "internalType": "uint256", "name": "value", "type": "uint256" }
+            ],
+            "internalType": "struct OptionUint",
+            "name": "value",
+            "type": "tuple"
+          }
         ],
-        "internalType": "struct Tuple35[]",
+        "internalType": "struct CollectionLimit[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -265,13 +272,13 @@
       {
         "components": [
           {
-            "internalType": "enum CollectionPermissions",
-            "name": "field_0",
+            "internalType": "enum CollectionPermissionField",
+            "name": "field",
             "type": "uint8"
           },
-          { "internalType": "bool", "name": "field_1", "type": "bool" }
+          { "internalType": "bool", "name": "value", "type": "bool" }
         ],
-        "internalType": "struct Tuple44[]",
+        "internalType": "struct CollectionNestingPermission[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -285,14 +292,10 @@
     "outputs": [
       {
         "components": [
-          { "internalType": "bool", "name": "field_0", "type": "bool" },
-          {
-            "internalType": "uint256[]",
-            "name": "field_1",
-            "type": "uint256[]"
-          }
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
+          { "internalType": "uint256[]", "name": "ids", "type": "uint256[]" }
         ],
-        "internalType": "struct Tuple41",
+        "internalType": "struct CollectionNesting",
         "name": "",
         "type": "tuple"
       }
@@ -309,7 +312,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "",
         "type": "tuple"
       }
@@ -352,7 +355,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "",
         "type": "tuple"
       }
@@ -385,7 +388,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "",
         "type": "tuple"
       }
@@ -459,7 +462,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -483,7 +486,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
@@ -579,7 +582,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "admin",
         "type": "tuple"
       }
@@ -603,7 +606,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -656,12 +659,26 @@
   {
     "inputs": [
       {
-        "internalType": "enum CollectionLimits",
+        "components": [
+          {
+            "internalType": "enum CollectionLimitField",
+            "name": "field",
+            "type": "uint8"
+          },
+          {
+            "components": [
+              { "internalType": "bool", "name": "status", "type": "bool" },
+              { "internalType": "uint256", "name": "value", "type": "uint256" }
+            ],
+            "internalType": "struct OptionUint",
+            "name": "value",
+            "type": "tuple"
+          }
+        ],
+        "internalType": "struct CollectionLimit",
         "name": "limit",
-        "type": "uint8"
-      },
-      { "internalType": "bool", "name": "status", "type": "bool" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" }
+        "type": "tuple"
+      }
     ],
     "name": "setCollectionLimit",
     "outputs": [],
@@ -720,7 +737,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "sponsor",
         "type": "tuple"
       }
@@ -752,22 +769,22 @@
     "inputs": [
       {
         "components": [
-          { "internalType": "string", "name": "field_0", "type": "string" },
+          { "internalType": "string", "name": "key", "type": "string" },
           {
             "components": [
               {
-                "internalType": "enum EthTokenPermissions",
-                "name": "field_0",
+                "internalType": "enum TokenPermissionField",
+                "name": "code",
                 "type": "uint8"
               },
-              { "internalType": "bool", "name": "field_1", "type": "bool" }
+              { "internalType": "bool", "name": "value", "type": "bool" }
             ],
-            "internalType": "struct Tuple59[]",
-            "name": "field_1",
+            "internalType": "struct PropertyPermission[]",
+            "name": "permissions",
             "type": "tuple[]"
           }
         ],
-        "internalType": "struct Tuple61[]",
+        "internalType": "struct TokenPropertyPermission[]",
         "name": "permissions",
         "type": "tuple[]"
       }
@@ -818,22 +835,22 @@
     "outputs": [
       {
         "components": [
-          { "internalType": "string", "name": "field_0", "type": "string" },
+          { "internalType": "string", "name": "key", "type": "string" },
           {
             "components": [
               {
-                "internalType": "enum EthTokenPermissions",
-                "name": "field_0",
+                "internalType": "enum TokenPermissionField",
+                "name": "code",
                 "type": "uint8"
               },
-              { "internalType": "bool", "name": "field_1", "type": "bool" }
+              { "internalType": "bool", "name": "value", "type": "bool" }
             ],
-            "internalType": "struct Tuple59[]",
-            "name": "field_1",
+            "internalType": "struct PropertyPermission[]",
+            "name": "permissions",
             "type": "tuple[]"
           }
         ],
-        "internalType": "struct Tuple61[]",
+        "internalType": "struct TokenPropertyPermission[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -874,7 +891,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
@@ -903,7 +920,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "from",
         "type": "tuple"
       },
@@ -912,7 +929,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
modifiedtests/src/eth/abi/reFungible.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/reFungible.json
+++ b/tests/src/eth/abi/reFungible.json
@@ -87,7 +87,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "newAdmin",
         "type": "tuple"
       }
@@ -104,7 +104,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -121,7 +121,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -166,7 +166,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "from",
         "type": "tuple"
       },
@@ -184,7 +184,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "newOwner",
         "type": "tuple"
       }
@@ -203,7 +203,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount[]",
+        "internalType": "struct CrossAddress[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -225,14 +225,21 @@
       {
         "components": [
           {
-            "internalType": "enum CollectionLimits",
-            "name": "field_0",
+            "internalType": "enum CollectionLimitField",
+            "name": "field",
             "type": "uint8"
           },
-          { "internalType": "bool", "name": "field_1", "type": "bool" },
-          { "internalType": "uint256", "name": "field_2", "type": "uint256" }
+          {
+            "components": [
+              { "internalType": "bool", "name": "status", "type": "bool" },
+              { "internalType": "uint256", "name": "value", "type": "uint256" }
+            ],
+            "internalType": "struct OptionUint",
+            "name": "value",
+            "type": "tuple"
+          }
         ],
-        "internalType": "struct Tuple34[]",
+        "internalType": "struct CollectionLimit[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -247,13 +254,13 @@
       {
         "components": [
           {
-            "internalType": "enum CollectionPermissions",
-            "name": "field_0",
+            "internalType": "enum CollectionPermissionField",
+            "name": "field",
             "type": "uint8"
           },
-          { "internalType": "bool", "name": "field_1", "type": "bool" }
+          { "internalType": "bool", "name": "value", "type": "bool" }
         ],
-        "internalType": "struct Tuple43[]",
+        "internalType": "struct CollectionNestingPermission[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -267,14 +274,10 @@
     "outputs": [
       {
         "components": [
-          { "internalType": "bool", "name": "field_0", "type": "bool" },
-          {
-            "internalType": "uint256[]",
-            "name": "field_1",
-            "type": "uint256[]"
-          }
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
+          { "internalType": "uint256[]", "name": "ids", "type": "uint256[]" }
         ],
-        "internalType": "struct Tuple40",
+        "internalType": "struct CollectionNesting",
         "name": "",
         "type": "tuple"
       }
@@ -291,7 +294,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "",
         "type": "tuple"
       }
@@ -334,7 +337,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "",
         "type": "tuple"
       }
@@ -367,7 +370,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "",
         "type": "tuple"
       }
@@ -441,7 +444,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -465,7 +468,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
@@ -561,7 +564,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "admin",
         "type": "tuple"
       }
@@ -585,7 +588,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "user",
         "type": "tuple"
       }
@@ -638,12 +641,26 @@
   {
     "inputs": [
       {
-        "internalType": "enum CollectionLimits",
+        "components": [
+          {
+            "internalType": "enum CollectionLimitField",
+            "name": "field",
+            "type": "uint8"
+          },
+          {
+            "components": [
+              { "internalType": "bool", "name": "status", "type": "bool" },
+              { "internalType": "uint256", "name": "value", "type": "uint256" }
+            ],
+            "internalType": "struct OptionUint",
+            "name": "value",
+            "type": "tuple"
+          }
+        ],
+        "internalType": "struct CollectionLimit",
         "name": "limit",
-        "type": "uint8"
-      },
-      { "internalType": "bool", "name": "status", "type": "bool" },
-      { "internalType": "uint256", "name": "value", "type": "uint256" }
+        "type": "tuple"
+      }
     ],
     "name": "setCollectionLimit",
     "outputs": [],
@@ -702,7 +719,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "sponsor",
         "type": "tuple"
       }
@@ -734,22 +751,22 @@
     "inputs": [
       {
         "components": [
-          { "internalType": "string", "name": "field_0", "type": "string" },
+          { "internalType": "string", "name": "key", "type": "string" },
           {
             "components": [
               {
-                "internalType": "enum EthTokenPermissions",
-                "name": "field_0",
+                "internalType": "enum TokenPermissionField",
+                "name": "code",
                 "type": "uint8"
               },
-              { "internalType": "bool", "name": "field_1", "type": "bool" }
+              { "internalType": "bool", "name": "value", "type": "bool" }
             ],
-            "internalType": "struct Tuple58[]",
-            "name": "field_1",
+            "internalType": "struct PropertyPermission[]",
+            "name": "permissions",
             "type": "tuple[]"
           }
         ],
-        "internalType": "struct Tuple60[]",
+        "internalType": "struct TokenPropertyPermission[]",
         "name": "permissions",
         "type": "tuple[]"
       }
@@ -809,22 +826,22 @@
     "outputs": [
       {
         "components": [
-          { "internalType": "string", "name": "field_0", "type": "string" },
+          { "internalType": "string", "name": "key", "type": "string" },
           {
             "components": [
               {
-                "internalType": "enum EthTokenPermissions",
-                "name": "field_0",
+                "internalType": "enum TokenPermissionField",
+                "name": "code",
                 "type": "uint8"
               },
-              { "internalType": "bool", "name": "field_1", "type": "bool" }
+              { "internalType": "bool", "name": "value", "type": "bool" }
             ],
-            "internalType": "struct Tuple58[]",
-            "name": "field_1",
+            "internalType": "struct PropertyPermission[]",
+            "name": "permissions",
             "type": "tuple[]"
           }
         ],
-        "internalType": "struct Tuple60[]",
+        "internalType": "struct TokenPropertyPermission[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -865,7 +882,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
@@ -894,7 +911,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "from",
         "type": "tuple"
       },
@@ -903,7 +920,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
modifiedtests/src/eth/abi/reFungibleToken.jsondiffbeforeafterboth
--- a/tests/src/eth/abi/reFungibleToken.json
+++ b/tests/src/eth/abi/reFungibleToken.json
@@ -76,7 +76,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "spender",
         "type": "tuple"
       },
@@ -113,7 +113,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "from",
         "type": "tuple"
       },
@@ -201,7 +201,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
@@ -230,7 +230,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "from",
         "type": "tuple"
       },
@@ -239,7 +239,7 @@
           { "internalType": "address", "name": "eth", "type": "address" },
           { "internalType": "uint256", "name": "sub", "type": "uint256" }
         ],
-        "internalType": "struct EthCrossAccount",
+        "internalType": "struct CrossAddress",
         "name": "to",
         "type": "tuple"
       },
modifiedtests/src/eth/api/ContractHelpers.soldiffbeforeafterboth
--- a/tests/src/eth/api/ContractHelpers.sol
+++ b/tests/src/eth/api/ContractHelpers.sol
@@ -69,7 +69,7 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x766c4f37,
 	///  or in textual repr: sponsor(address)
-	function sponsor(address contractAddress) external view returns (EthCrossAccount memory);
+	function sponsor(address contractAddress) external view returns (OptionCrossAddress memory);
 
 	/// Check tat contract has confirmed sponsor.
 	///
@@ -93,7 +93,7 @@
 
 	/// @dev EVM selector for this function is: 0xfde8a560,
 	///  or in textual repr: setSponsoringMode(address,uint8)
-	function setSponsoringMode(address contractAddress, uint8 mode) external;
+	function setSponsoringMode(address contractAddress, SponsoringModeT mode) external;
 
 	/// Get current contract sponsoring rate limit
 	/// @param contractAddress Contract to get sponsoring rate limit of
@@ -171,8 +171,24 @@
 	function toggleAllowlist(address contractAddress, bool enabled) external;
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Available contract sponsoring modes
+enum SponsoringModeT {
+	/// Sponsoring is disabled
+	Disabled,
+	/// Only users from allowlist will be sponsored
+	Allowlisted,
+	/// All users will be sponsored
+	Generous
+}
+
+/// Ethereum representation of Optional value with CrossAddress.
+struct OptionCrossAddress {
+	bool status;
+	CrossAddress value;
+}
+
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
modifiedtests/src/eth/api/UniqueFungible.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -13,7 +13,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x81172a75
+/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
 interface Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -78,7 +78,7 @@
 	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.
 	/// @dev EVM selector for this function is: 0x84a1d5a8,
 	///  or in textual repr: setCollectionSponsorCross((address,uint256))
-	function setCollectionSponsorCross(EthCrossAccount memory sponsor) external;
+	function setCollectionSponsorCross(CrossAddress memory sponsor) external;
 
 	/// Whether there is a pending sponsor.
 	/// @dev EVM selector for this function is: 0x058ac185,
@@ -102,46 +102,21 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x6ec0a9f1,
 	///  or in textual repr: collectionSponsor()
-	function collectionSponsor() external view returns (EthCrossAccount memory);
+	function collectionSponsor() external view returns (CrossAddress memory);
 
 	/// Get current collection limits.
 	///
-	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// Return `false` if a limit not set.
+	/// @return Array of collection limits
 	/// @dev EVM selector for this function is: 0xf63bc572,
 	///  or in textual repr: collectionLimits()
-	function collectionLimits() external view returns (Tuple21[] memory);
+	function collectionLimits() external view returns (CollectionLimit[] memory);
 
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
-	/// @param limit Name of the limit. Valid names:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// @param status enable\disable limit. Works only with `true`.
-	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x88150bd0,
-	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
-	function setCollectionLimit(
-		CollectionLimits limit,
-		bool status,
-		uint256 value
-	) external;
+	/// @param limit Some limit.
+	/// @dev EVM selector for this function is: 0x2316ee74,
+	///  or in textual repr: setCollectionLimit((uint8,(bool,uint256)))
+	function setCollectionLimit(CollectionLimit memory limit) external;
 
 	/// Get contract address.
 	/// @dev EVM selector for this function is: 0xf6b4dfb4,
@@ -152,13 +127,13 @@
 	/// @param newAdmin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x859aa7d6,
 	///  or in textual repr: addCollectionAdminCross((address,uint256))
-	function addCollectionAdminCross(EthCrossAccount memory newAdmin) external;
+	function addCollectionAdminCross(CrossAddress memory newAdmin) external;
 
 	/// Remove collection admin.
 	/// @param admin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x6c0cd173,
 	///  or in textual repr: removeCollectionAdminCross((address,uint256))
-	function removeCollectionAdminCross(EthCrossAccount memory admin) external;
+	function removeCollectionAdminCross(CrossAddress memory admin) external;
 
 	// /// Add collection admin.
 	// /// @param newAdmin Address of the added administrator.
@@ -191,12 +166,12 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() external view returns (Tuple26 memory);
+	function collectionNestingRestrictedCollectionIds() external view returns (CollectionNesting memory);
 
 	/// Returns permissions for a collection
 	/// @dev EVM selector for this function is: 0x5b2eaf4b,
 	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() external view returns (Tuple29[] memory);
+	function collectionNestingPermissions() external view returns (CollectionNestingPermission[] memory);
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -211,7 +186,7 @@
 	/// @param user User address to check.
 	/// @dev EVM selector for this function is: 0x91b6df49,
 	///  or in textual repr: allowlistedCross((address,uint256))
-	function allowlistedCross(EthCrossAccount memory user) external view returns (bool);
+	function allowlistedCross(CrossAddress memory user) external view returns (bool);
 
 	// /// Add the user to the allowed list.
 	// ///
@@ -225,7 +200,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0xa0184a3a,
 	///  or in textual repr: addToCollectionAllowListCross((address,uint256))
-	function addToCollectionAllowListCross(EthCrossAccount memory user) external;
+	function addToCollectionAllowListCross(CrossAddress memory user) external;
 
 	// /// Remove the user from the allowed list.
 	// ///
@@ -239,7 +214,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0x09ba452a,
 	///  or in textual repr: removeFromCollectionAllowListCross((address,uint256))
-	function removeFromCollectionAllowListCross(EthCrossAccount memory user) external;
+	function removeFromCollectionAllowListCross(CrossAddress memory user) external;
 
 	/// Switch permission for minting.
 	///
@@ -262,7 +237,7 @@
 	/// @return "true" if account is the owner or admin
 	/// @dev EVM selector for this function is: 0x3e75a905,
 	///  or in textual repr: isOwnerOrAdminCross((address,uint256))
-	function isOwnerOrAdminCross(EthCrossAccount memory user) external view returns (bool);
+	function isOwnerOrAdminCross(CrossAddress memory user) external view returns (bool);
 
 	/// Returns collection type
 	///
@@ -277,7 +252,7 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0xdf727d3b,
 	///  or in textual repr: collectionOwner()
-	function collectionOwner() external view returns (EthCrossAccount memory);
+	function collectionOwner() external view returns (CrossAddress memory);
 
 	// /// Changes collection owner to another account
 	// ///
@@ -293,7 +268,7 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0x5813216b,
 	///  or in textual repr: collectionAdmins()
-	function collectionAdmins() external view returns (EthCrossAccount[] memory);
+	function collectionAdmins() external view returns (CrossAddress[] memory);
 
 	/// Changes collection owner to another account
 	///
@@ -301,62 +276,70 @@
 	/// @param newOwner new owner cross account
 	/// @dev EVM selector for this function is: 0x6496c497,
 	///  or in textual repr: changeCollectionOwnerCross((address,uint256))
-	function changeCollectionOwnerCross(EthCrossAccount memory newOwner) external;
+	function changeCollectionOwnerCross(CrossAddress memory newOwner) external;
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
 
-/// @dev anonymous struct
-struct Tuple29 {
-	CollectionPermissions field_0;
-	bool field_1;
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) field.
+struct CollectionNestingPermission {
+	CollectionPermissionField field;
+	bool value;
 }
 
-enum CollectionPermissions {
-	CollectionAdmin,
-	TokenOwner
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.
+enum CollectionPermissionField {
+	/// Owner of token can nest tokens under it.
+	TokenOwner,
+	/// Admin of token collection can nest tokens under token.
+	CollectionAdmin
 }
 
-/// @dev anonymous struct
-struct Tuple26 {
-	bool field_0;
-	uint256[] field_1;
+/// Nested collections.
+struct CollectionNesting {
+	bool token_owner;
+	uint256[] ids;
 }
 
-/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
-enum CollectionLimits {
-	/// @dev How many tokens can a user have on one account.
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+struct CollectionLimit {
+	CollectionLimitField field;
+	OptionUint value;
+}
+
+/// Ethereum representation of Optional value with uint256.
+struct OptionUint {
+	bool status;
+	uint256 value;
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.
+enum CollectionLimitField {
+	/// How many tokens can a user have on one account.
 	AccountTokenOwnership,
-	/// @dev How many bytes of data are available for sponsorship.
+	/// How many bytes of data are available for sponsorship.
 	SponsoredDataSize,
-	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
 	SponsoredDataRateLimit,
-	/// @dev How many tokens can be mined into this collection.
+	/// How many tokens can be mined into this collection.
 	TokenLimit,
-	/// @dev Timeouts for transfer sponsoring.
+	/// Timeouts for transfer sponsoring.
 	SponsorTransferTimeout,
-	/// @dev Timeout for sponsoring an approval in passed blocks.
+	/// Timeout for sponsoring an approval in passed blocks.
 	SponsorApproveTimeout,
-	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	/// Whether the collection owner of the collection can send tokens (which belong to other users).
 	OwnerCanTransfer,
-	/// @dev Can the collection owner burn other people's tokens.
+	/// Can the collection owner burn other people's tokens.
 	OwnerCanDestroy,
-	/// @dev Is it possible to send tokens from this collection between users.
+	/// Is it possible to send tokens from this collection between users.
 	TransferEnabled
 }
 
-/// @dev anonymous struct
-struct Tuple21 {
-	CollectionLimits field_0;
-	bool field_1;
-	uint256 field_2;
-}
-
-/// @dev Property struct
+/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
 struct Property {
 	string key;
 	bytes value;
@@ -371,11 +354,11 @@
 
 	/// @dev EVM selector for this function is: 0x269e6158,
 	///  or in textual repr: mintCross((address,uint256),uint256)
-	function mintCross(EthCrossAccount memory to, uint256 amount) external returns (bool);
+	function mintCross(CrossAddress memory to, uint256 amount) external returns (bool);
 
 	/// @dev EVM selector for this function is: 0x0ecd0ab0,
 	///  or in textual repr: approveCross((address,uint256),uint256)
-	function approveCross(EthCrossAccount memory spender, uint256 amount) external returns (bool);
+	function approveCross(CrossAddress memory spender, uint256 amount) external returns (bool);
 
 	// /// Burn tokens from account
 	// /// @dev Function that burns an `amount` of the tokens of a given account,
@@ -393,7 +376,7 @@
 	/// @param amount The amount that will be burnt.
 	/// @dev EVM selector for this function is: 0xbb2f5a58,
 	///  or in textual repr: burnFromCross((address,uint256),uint256)
-	function burnFromCross(EthCrossAccount memory from, uint256 amount) external returns (bool);
+	function burnFromCross(CrossAddress memory from, uint256 amount) external returns (bool);
 
 	/// Mint tokens for multiple accounts.
 	/// @param amounts array of pairs of account address and amount
@@ -403,13 +386,13 @@
 
 	/// @dev EVM selector for this function is: 0x2ada85ff,
 	///  or in textual repr: transferCross((address,uint256),uint256)
-	function transferCross(EthCrossAccount memory to, uint256 amount) external returns (bool);
+	function transferCross(CrossAddress memory to, uint256 amount) external returns (bool);
 
 	/// @dev EVM selector for this function is: 0xd5cf430b,
 	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)
 	function transferFromCross(
-		EthCrossAccount memory from,
-		EthCrossAccount memory to,
+		CrossAddress memory from,
+		CrossAddress memory to,
 		uint256 amount
 	) external returns (bool);
 }
modifiedtests/src/eth/api/UniqueNFT.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -30,12 +30,12 @@
 	/// @param permissions Permissions for keys.
 	/// @dev EVM selector for this function is: 0xbd92983a,
 	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])
-	function setTokenPropertyPermissions(Tuple53[] memory permissions) external;
+	function setTokenPropertyPermissions(TokenPropertyPermission[] memory permissions) external;
 
 	/// @notice Get permissions for token properties.
 	/// @dev EVM selector for this function is: 0xf23d7790,
 	///  or in textual repr: tokenPropertyPermissions()
-	function tokenPropertyPermissions() external view returns (Tuple53[] memory);
+	function tokenPropertyPermissions() external view returns (TokenPropertyPermission[] memory);
 
 	// /// @notice Set token property value.
 	// /// @dev Throws error if `msg.sender` has no permission to edit the property.
@@ -80,36 +80,40 @@
 	function property(uint256 tokenId, string memory key) external view returns (bytes memory);
 }
 
-/// @dev Property struct
+/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
 struct Property {
 	string key;
 	bytes value;
 }
 
-/// @dev Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
-enum EthTokenPermissions {
-	/// @dev Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
-	Mutable,
-	/// @dev Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
-	TokenOwner,
-	/// @dev Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
-	CollectionAdmin
+/// Ethereum representation of Token Property Permissions.
+struct TokenPropertyPermission {
+	/// Token property key.
+	string key;
+	/// Token property permissions.
+	PropertyPermission[] permissions;
 }
 
-/// @dev anonymous struct
-struct Tuple53 {
-	string field_0;
-	Tuple51[] field_1;
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) as an key and value.
+struct PropertyPermission {
+	/// TokenPermission field.
+	TokenPermissionField code;
+	/// TokenPermission value.
+	bool value;
 }
 
-/// @dev anonymous struct
-struct Tuple51 {
-	EthTokenPermissions field_0;
-	bool field_1;
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
+enum TokenPermissionField {
+	/// Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
+	Mutable,
+	/// Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
+	TokenOwner,
+	/// Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
+	CollectionAdmin
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x81172a75
+/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
 interface Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -174,7 +178,7 @@
 	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.
 	/// @dev EVM selector for this function is: 0x84a1d5a8,
 	///  or in textual repr: setCollectionSponsorCross((address,uint256))
-	function setCollectionSponsorCross(EthCrossAccount memory sponsor) external;
+	function setCollectionSponsorCross(CrossAddress memory sponsor) external;
 
 	/// Whether there is a pending sponsor.
 	/// @dev EVM selector for this function is: 0x058ac185,
@@ -198,46 +202,21 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x6ec0a9f1,
 	///  or in textual repr: collectionSponsor()
-	function collectionSponsor() external view returns (EthCrossAccount memory);
+	function collectionSponsor() external view returns (CrossAddress memory);
 
 	/// Get current collection limits.
 	///
-	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// Return `false` if a limit not set.
+	/// @return Array of collection limits
 	/// @dev EVM selector for this function is: 0xf63bc572,
 	///  or in textual repr: collectionLimits()
-	function collectionLimits() external view returns (Tuple31[] memory);
+	function collectionLimits() external view returns (CollectionLimit[] memory);
 
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
-	/// @param limit Name of the limit. Valid names:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// @param status enable\disable limit. Works only with `true`.
-	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x88150bd0,
-	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
-	function setCollectionLimit(
-		CollectionLimits limit,
-		bool status,
-		uint256 value
-	) external;
+	/// @param limit Some limit.
+	/// @dev EVM selector for this function is: 0x2316ee74,
+	///  or in textual repr: setCollectionLimit((uint8,(bool,uint256)))
+	function setCollectionLimit(CollectionLimit memory limit) external;
 
 	/// Get contract address.
 	/// @dev EVM selector for this function is: 0xf6b4dfb4,
@@ -248,13 +227,13 @@
 	/// @param newAdmin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x859aa7d6,
 	///  or in textual repr: addCollectionAdminCross((address,uint256))
-	function addCollectionAdminCross(EthCrossAccount memory newAdmin) external;
+	function addCollectionAdminCross(CrossAddress memory newAdmin) external;
 
 	/// Remove collection admin.
 	/// @param admin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x6c0cd173,
 	///  or in textual repr: removeCollectionAdminCross((address,uint256))
-	function removeCollectionAdminCross(EthCrossAccount memory admin) external;
+	function removeCollectionAdminCross(CrossAddress memory admin) external;
 
 	// /// Add collection admin.
 	// /// @param newAdmin Address of the added administrator.
@@ -287,12 +266,12 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() external view returns (Tuple36 memory);
+	function collectionNestingRestrictedCollectionIds() external view returns (CollectionNesting memory);
 
 	/// Returns permissions for a collection
 	/// @dev EVM selector for this function is: 0x5b2eaf4b,
 	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() external view returns (Tuple39[] memory);
+	function collectionNestingPermissions() external view returns (CollectionNestingPermission[] memory);
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -307,7 +286,7 @@
 	/// @param user User address to check.
 	/// @dev EVM selector for this function is: 0x91b6df49,
 	///  or in textual repr: allowlistedCross((address,uint256))
-	function allowlistedCross(EthCrossAccount memory user) external view returns (bool);
+	function allowlistedCross(CrossAddress memory user) external view returns (bool);
 
 	// /// Add the user to the allowed list.
 	// ///
@@ -321,7 +300,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0xa0184a3a,
 	///  or in textual repr: addToCollectionAllowListCross((address,uint256))
-	function addToCollectionAllowListCross(EthCrossAccount memory user) external;
+	function addToCollectionAllowListCross(CrossAddress memory user) external;
 
 	// /// Remove the user from the allowed list.
 	// ///
@@ -335,7 +314,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0x09ba452a,
 	///  or in textual repr: removeFromCollectionAllowListCross((address,uint256))
-	function removeFromCollectionAllowListCross(EthCrossAccount memory user) external;
+	function removeFromCollectionAllowListCross(CrossAddress memory user) external;
 
 	/// Switch permission for minting.
 	///
@@ -358,7 +337,7 @@
 	/// @return "true" if account is the owner or admin
 	/// @dev EVM selector for this function is: 0x3e75a905,
 	///  or in textual repr: isOwnerOrAdminCross((address,uint256))
-	function isOwnerOrAdminCross(EthCrossAccount memory user) external view returns (bool);
+	function isOwnerOrAdminCross(CrossAddress memory user) external view returns (bool);
 
 	/// Returns collection type
 	///
@@ -373,7 +352,7 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0xdf727d3b,
 	///  or in textual repr: collectionOwner()
-	function collectionOwner() external view returns (EthCrossAccount memory);
+	function collectionOwner() external view returns (CrossAddress memory);
 
 	// /// Changes collection owner to another account
 	// ///
@@ -389,7 +368,7 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0x5813216b,
 	///  or in textual repr: collectionAdmins()
-	function collectionAdmins() external view returns (EthCrossAccount[] memory);
+	function collectionAdmins() external view returns (CrossAddress[] memory);
 
 	/// Changes collection owner to another account
 	///
@@ -397,59 +376,67 @@
 	/// @param newOwner new owner cross account
 	/// @dev EVM selector for this function is: 0x6496c497,
 	///  or in textual repr: changeCollectionOwnerCross((address,uint256))
-	function changeCollectionOwnerCross(EthCrossAccount memory newOwner) external;
+	function changeCollectionOwnerCross(CrossAddress memory newOwner) external;
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
 
-/// @dev anonymous struct
-struct Tuple39 {
-	CollectionPermissions field_0;
-	bool field_1;
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) field.
+struct CollectionNestingPermission {
+	CollectionPermissionField field;
+	bool value;
 }
 
-enum CollectionPermissions {
-	CollectionAdmin,
-	TokenOwner
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.
+enum CollectionPermissionField {
+	/// Owner of token can nest tokens under it.
+	TokenOwner,
+	/// Admin of token collection can nest tokens under token.
+	CollectionAdmin
 }
 
-/// @dev anonymous struct
-struct Tuple36 {
-	bool field_0;
-	uint256[] field_1;
+/// Nested collections.
+struct CollectionNesting {
+	bool token_owner;
+	uint256[] ids;
 }
 
-/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
-enum CollectionLimits {
-	/// @dev How many tokens can a user have on one account.
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+struct CollectionLimit {
+	CollectionLimitField field;
+	OptionUint value;
+}
+
+/// Ethereum representation of Optional value with uint256.
+struct OptionUint {
+	bool status;
+	uint256 value;
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.
+enum CollectionLimitField {
+	/// How many tokens can a user have on one account.
 	AccountTokenOwnership,
-	/// @dev How many bytes of data are available for sponsorship.
+	/// How many bytes of data are available for sponsorship.
 	SponsoredDataSize,
-	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
 	SponsoredDataRateLimit,
-	/// @dev How many tokens can be mined into this collection.
+	/// How many tokens can be mined into this collection.
 	TokenLimit,
-	/// @dev Timeouts for transfer sponsoring.
+	/// Timeouts for transfer sponsoring.
 	SponsorTransferTimeout,
-	/// @dev Timeout for sponsoring an approval in passed blocks.
+	/// Timeout for sponsoring an approval in passed blocks.
 	SponsorApproveTimeout,
-	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	/// Whether the collection owner of the collection can send tokens (which belong to other users).
 	OwnerCanTransfer,
-	/// @dev Can the collection owner burn other people's tokens.
+	/// Can the collection owner burn other people's tokens.
 	OwnerCanDestroy,
-	/// @dev Is it possible to send tokens from this collection between users.
+	/// Is it possible to send tokens from this collection between users.
 	TransferEnabled
-}
-
-/// @dev anonymous struct
-struct Tuple31 {
-	CollectionLimits field_0;
-	bool field_1;
-	uint256 field_2;
 }
 
 /// @title ERC-721 Non-Fungible Token Standard, optional metadata extension
@@ -569,7 +556,7 @@
 	/// @param tokenId Id for the token.
 	/// @dev EVM selector for this function is: 0x2b29dace,
 	///  or in textual repr: crossOwnerOf(uint256)
-	function crossOwnerOf(uint256 tokenId) external view returns (EthCrossAccount memory);
+	function crossOwnerOf(uint256 tokenId) external view returns (CrossAddress memory);
 
 	/// Returns the token properties.
 	///
@@ -588,7 +575,7 @@
 	/// @param tokenId The NFT to approve
 	/// @dev EVM selector for this function is: 0x0ecd0ab0,
 	///  or in textual repr: approveCross((address,uint256),uint256)
-	function approveCross(EthCrossAccount memory approved, uint256 tokenId) external;
+	function approveCross(CrossAddress memory approved, uint256 tokenId) external;
 
 	/// @notice Transfer ownership of an NFT
 	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
@@ -606,7 +593,7 @@
 	/// @param tokenId The NFT to transfer
 	/// @dev EVM selector for this function is: 0x2ada85ff,
 	///  or in textual repr: transferCross((address,uint256),uint256)
-	function transferCross(EthCrossAccount memory to, uint256 tokenId) external;
+	function transferCross(CrossAddress memory to, uint256 tokenId) external;
 
 	/// @notice Transfer ownership of an NFT from cross account address to cross account address
 	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
@@ -617,8 +604,8 @@
 	/// @dev EVM selector for this function is: 0xd5cf430b,
 	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)
 	function transferFromCross(
-		EthCrossAccount memory from,
-		EthCrossAccount memory to,
+		CrossAddress memory from,
+		CrossAddress memory to,
 		uint256 tokenId
 	) external;
 
@@ -640,7 +627,7 @@
 	/// @param tokenId The NFT to transfer
 	/// @dev EVM selector for this function is: 0xbb2f5a58,
 	///  or in textual repr: burnFromCross((address,uint256),uint256)
-	function burnFromCross(EthCrossAccount memory from, uint256 tokenId) external;
+	function burnFromCross(CrossAddress memory from, uint256 tokenId) external;
 
 	/// @notice Returns next free NFT ID.
 	/// @dev EVM selector for this function is: 0x75794a3c,
@@ -671,7 +658,7 @@
 	/// @return uint256 The id of the newly minted token
 	/// @dev EVM selector for this function is: 0xb904db03,
 	///  or in textual repr: mintCross((address,uint256),(string,bytes)[])
-	function mintCross(EthCrossAccount memory to, Property[] memory properties) external returns (uint256);
+	function mintCross(CrossAddress memory to, Property[] memory properties) external returns (uint256);
 }
 
 /// @dev anonymous struct
modifiedtests/src/eth/api/UniqueRefungible.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -30,12 +30,12 @@
 	/// @param permissions Permissions for keys.
 	/// @dev EVM selector for this function is: 0xbd92983a,
 	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])
-	function setTokenPropertyPermissions(Tuple52[] memory permissions) external;
+	function setTokenPropertyPermissions(TokenPropertyPermission[] memory permissions) external;
 
 	/// @notice Get permissions for token properties.
 	/// @dev EVM selector for this function is: 0xf23d7790,
 	///  or in textual repr: tokenPropertyPermissions()
-	function tokenPropertyPermissions() external view returns (Tuple52[] memory);
+	function tokenPropertyPermissions() external view returns (TokenPropertyPermission[] memory);
 
 	// /// @notice Set token property value.
 	// /// @dev Throws error if `msg.sender` has no permission to edit the property.
@@ -80,36 +80,40 @@
 	function property(uint256 tokenId, string memory key) external view returns (bytes memory);
 }
 
-/// @dev Property struct
+/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
 struct Property {
 	string key;
 	bytes value;
 }
 
-/// @dev Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
-enum EthTokenPermissions {
-	/// @dev Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
-	Mutable,
-	/// @dev Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
-	TokenOwner,
-	/// @dev Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
-	CollectionAdmin
+/// Ethereum representation of Token Property Permissions.
+struct TokenPropertyPermission {
+	/// Token property key.
+	string key;
+	/// Token property permissions.
+	PropertyPermission[] permissions;
 }
 
-/// @dev anonymous struct
-struct Tuple52 {
-	string field_0;
-	Tuple50[] field_1;
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) as an key and value.
+struct PropertyPermission {
+	/// TokenPermission field.
+	TokenPermissionField code;
+	/// TokenPermission value.
+	bool value;
 }
 
-/// @dev anonymous struct
-struct Tuple50 {
-	EthTokenPermissions field_0;
-	bool field_1;
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
+enum TokenPermissionField {
+	/// Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
+	Mutable,
+	/// Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
+	TokenOwner,
+	/// Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
+	CollectionAdmin
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x81172a75
+/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
 interface Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -174,7 +178,7 @@
 	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.
 	/// @dev EVM selector for this function is: 0x84a1d5a8,
 	///  or in textual repr: setCollectionSponsorCross((address,uint256))
-	function setCollectionSponsorCross(EthCrossAccount memory sponsor) external;
+	function setCollectionSponsorCross(CrossAddress memory sponsor) external;
 
 	/// Whether there is a pending sponsor.
 	/// @dev EVM selector for this function is: 0x058ac185,
@@ -198,46 +202,21 @@
 	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
 	/// @dev EVM selector for this function is: 0x6ec0a9f1,
 	///  or in textual repr: collectionSponsor()
-	function collectionSponsor() external view returns (EthCrossAccount memory);
+	function collectionSponsor() external view returns (CrossAddress memory);
 
 	/// Get current collection limits.
 	///
-	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// Return `false` if a limit not set.
+	/// @return Array of collection limits
 	/// @dev EVM selector for this function is: 0xf63bc572,
 	///  or in textual repr: collectionLimits()
-	function collectionLimits() external view returns (Tuple30[] memory);
+	function collectionLimits() external view returns (CollectionLimit[] memory);
 
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
-	/// @param limit Name of the limit. Valid names:
-	/// 	"accountTokenOwnershipLimit",
-	/// 	"sponsoredDataSize",
-	/// 	"sponsoredDataRateLimit",
-	/// 	"tokenLimit",
-	/// 	"sponsorTransferTimeout",
-	/// 	"sponsorApproveTimeout"
-	///  	"ownerCanTransfer",
-	/// 	"ownerCanDestroy",
-	/// 	"transfersEnabled"
-	/// @param status enable\disable limit. Works only with `true`.
-	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x88150bd0,
-	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
-	function setCollectionLimit(
-		CollectionLimits limit,
-		bool status,
-		uint256 value
-	) external;
+	/// @param limit Some limit.
+	/// @dev EVM selector for this function is: 0x2316ee74,
+	///  or in textual repr: setCollectionLimit((uint8,(bool,uint256)))
+	function setCollectionLimit(CollectionLimit memory limit) external;
 
 	/// Get contract address.
 	/// @dev EVM selector for this function is: 0xf6b4dfb4,
@@ -248,13 +227,13 @@
 	/// @param newAdmin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x859aa7d6,
 	///  or in textual repr: addCollectionAdminCross((address,uint256))
-	function addCollectionAdminCross(EthCrossAccount memory newAdmin) external;
+	function addCollectionAdminCross(CrossAddress memory newAdmin) external;
 
 	/// Remove collection admin.
 	/// @param admin Cross account administrator address.
 	/// @dev EVM selector for this function is: 0x6c0cd173,
 	///  or in textual repr: removeCollectionAdminCross((address,uint256))
-	function removeCollectionAdminCross(EthCrossAccount memory admin) external;
+	function removeCollectionAdminCross(CrossAddress memory admin) external;
 
 	// /// Add collection admin.
 	// /// @param newAdmin Address of the added administrator.
@@ -287,12 +266,12 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() external view returns (Tuple35 memory);
+	function collectionNestingRestrictedCollectionIds() external view returns (CollectionNesting memory);
 
 	/// Returns permissions for a collection
 	/// @dev EVM selector for this function is: 0x5b2eaf4b,
 	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() external view returns (Tuple38[] memory);
+	function collectionNestingPermissions() external view returns (CollectionNestingPermission[] memory);
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -307,7 +286,7 @@
 	/// @param user User address to check.
 	/// @dev EVM selector for this function is: 0x91b6df49,
 	///  or in textual repr: allowlistedCross((address,uint256))
-	function allowlistedCross(EthCrossAccount memory user) external view returns (bool);
+	function allowlistedCross(CrossAddress memory user) external view returns (bool);
 
 	// /// Add the user to the allowed list.
 	// ///
@@ -321,7 +300,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0xa0184a3a,
 	///  or in textual repr: addToCollectionAllowListCross((address,uint256))
-	function addToCollectionAllowListCross(EthCrossAccount memory user) external;
+	function addToCollectionAllowListCross(CrossAddress memory user) external;
 
 	// /// Remove the user from the allowed list.
 	// ///
@@ -335,7 +314,7 @@
 	/// @param user User cross account address.
 	/// @dev EVM selector for this function is: 0x09ba452a,
 	///  or in textual repr: removeFromCollectionAllowListCross((address,uint256))
-	function removeFromCollectionAllowListCross(EthCrossAccount memory user) external;
+	function removeFromCollectionAllowListCross(CrossAddress memory user) external;
 
 	/// Switch permission for minting.
 	///
@@ -358,7 +337,7 @@
 	/// @return "true" if account is the owner or admin
 	/// @dev EVM selector for this function is: 0x3e75a905,
 	///  or in textual repr: isOwnerOrAdminCross((address,uint256))
-	function isOwnerOrAdminCross(EthCrossAccount memory user) external view returns (bool);
+	function isOwnerOrAdminCross(CrossAddress memory user) external view returns (bool);
 
 	/// Returns collection type
 	///
@@ -373,7 +352,7 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0xdf727d3b,
 	///  or in textual repr: collectionOwner()
-	function collectionOwner() external view returns (EthCrossAccount memory);
+	function collectionOwner() external view returns (CrossAddress memory);
 
 	// /// Changes collection owner to another account
 	// ///
@@ -389,7 +368,7 @@
 	/// If address is canonical then substrate mirror is zero and vice versa.
 	/// @dev EVM selector for this function is: 0x5813216b,
 	///  or in textual repr: collectionAdmins()
-	function collectionAdmins() external view returns (EthCrossAccount[] memory);
+	function collectionAdmins() external view returns (CrossAddress[] memory);
 
 	/// Changes collection owner to another account
 	///
@@ -397,59 +376,67 @@
 	/// @param newOwner new owner cross account
 	/// @dev EVM selector for this function is: 0x6496c497,
 	///  or in textual repr: changeCollectionOwnerCross((address,uint256))
-	function changeCollectionOwnerCross(EthCrossAccount memory newOwner) external;
+	function changeCollectionOwnerCross(CrossAddress memory newOwner) external;
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
 
-/// @dev anonymous struct
-struct Tuple38 {
-	CollectionPermissions field_0;
-	bool field_1;
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) field.
+struct CollectionNestingPermission {
+	CollectionPermissionField field;
+	bool value;
 }
 
-enum CollectionPermissions {
-	CollectionAdmin,
-	TokenOwner
+/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.
+enum CollectionPermissionField {
+	/// Owner of token can nest tokens under it.
+	TokenOwner,
+	/// Admin of token collection can nest tokens under token.
+	CollectionAdmin
 }
 
-/// @dev anonymous struct
-struct Tuple35 {
-	bool field_0;
-	uint256[] field_1;
+/// Nested collections.
+struct CollectionNesting {
+	bool token_owner;
+	uint256[] ids;
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+struct CollectionLimit {
+	CollectionLimitField field;
+	OptionUint value;
+}
+
+/// Ethereum representation of Optional value with uint256.
+struct OptionUint {
+	bool status;
+	uint256 value;
 }
 
-/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
-enum CollectionLimits {
-	/// @dev How many tokens can a user have on one account.
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.
+enum CollectionLimitField {
+	/// How many tokens can a user have on one account.
 	AccountTokenOwnership,
-	/// @dev How many bytes of data are available for sponsorship.
+	/// How many bytes of data are available for sponsorship.
 	SponsoredDataSize,
-	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
 	SponsoredDataRateLimit,
-	/// @dev How many tokens can be mined into this collection.
+	/// How many tokens can be mined into this collection.
 	TokenLimit,
-	/// @dev Timeouts for transfer sponsoring.
+	/// Timeouts for transfer sponsoring.
 	SponsorTransferTimeout,
-	/// @dev Timeout for sponsoring an approval in passed blocks.
+	/// Timeout for sponsoring an approval in passed blocks.
 	SponsorApproveTimeout,
-	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	/// Whether the collection owner of the collection can send tokens (which belong to other users).
 	OwnerCanTransfer,
-	/// @dev Can the collection owner burn other people's tokens.
+	/// Can the collection owner burn other people's tokens.
 	OwnerCanDestroy,
-	/// @dev Is it possible to send tokens from this collection between users.
+	/// Is it possible to send tokens from this collection between users.
 	TransferEnabled
-}
-
-/// @dev anonymous struct
-struct Tuple30 {
-	CollectionLimits field_0;
-	bool field_1;
-	uint256 field_2;
 }
 
 /// @dev the ERC-165 identifier for this interface is 0x5b5e139f
@@ -567,7 +554,7 @@
 	/// @param tokenId Id for the token.
 	/// @dev EVM selector for this function is: 0x2b29dace,
 	///  or in textual repr: crossOwnerOf(uint256)
-	function crossOwnerOf(uint256 tokenId) external view returns (EthCrossAccount memory);
+	function crossOwnerOf(uint256 tokenId) external view returns (CrossAddress memory);
 
 	/// Returns the token properties.
 	///
@@ -596,7 +583,7 @@
 	/// @param tokenId The RFT to transfer
 	/// @dev EVM selector for this function is: 0x2ada85ff,
 	///  or in textual repr: transferCross((address,uint256),uint256)
-	function transferCross(EthCrossAccount memory to, uint256 tokenId) external;
+	function transferCross(CrossAddress memory to, uint256 tokenId) external;
 
 	/// @notice Transfer ownership of an RFT
 	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
@@ -607,8 +594,8 @@
 	/// @dev EVM selector for this function is: 0xd5cf430b,
 	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)
 	function transferFromCross(
-		EthCrossAccount memory from,
-		EthCrossAccount memory to,
+		CrossAddress memory from,
+		CrossAddress memory to,
 		uint256 tokenId
 	) external;
 
@@ -632,7 +619,7 @@
 	/// @param tokenId The RFT to transfer
 	/// @dev EVM selector for this function is: 0xbb2f5a58,
 	///  or in textual repr: burnFromCross((address,uint256),uint256)
-	function burnFromCross(EthCrossAccount memory from, uint256 tokenId) external;
+	function burnFromCross(CrossAddress memory from, uint256 tokenId) external;
 
 	/// @notice Returns next free RFT ID.
 	/// @dev EVM selector for this function is: 0x75794a3c,
@@ -663,7 +650,7 @@
 	/// @return uint256 The id of the newly minted token
 	/// @dev EVM selector for this function is: 0xb904db03,
 	///  or in textual repr: mintCross((address,uint256),(string,bytes)[])
-	function mintCross(EthCrossAccount memory to, Property[] memory properties) external returns (uint256);
+	function mintCross(CrossAddress memory to, Property[] memory properties) external returns (uint256);
 
 	/// Returns EVM address for refungible token
 	///
modifiedtests/src/eth/api/UniqueRefungibleToken.soldiffbeforeafterboth
--- a/tests/src/eth/api/UniqueRefungibleToken.sol
+++ b/tests/src/eth/api/UniqueRefungibleToken.sol
@@ -39,7 +39,7 @@
 	/// @param amount The amount that will be burnt.
 	/// @dev EVM selector for this function is: 0xbb2f5a58,
 	///  or in textual repr: burnFromCross((address,uint256),uint256)
-	function burnFromCross(EthCrossAccount memory from, uint256 amount) external returns (bool);
+	function burnFromCross(CrossAddress memory from, uint256 amount) external returns (bool);
 
 	/// @dev Approve the passed address to spend the specified amount of tokens on behalf of `msg.sender`.
 	/// Beware that changing an allowance with this method brings the risk that someone may use both the old
@@ -50,7 +50,7 @@
 	/// @param amount The amount of tokens to be spent.
 	/// @dev EVM selector for this function is: 0x0ecd0ab0,
 	///  or in textual repr: approveCross((address,uint256),uint256)
-	function approveCross(EthCrossAccount memory spender, uint256 amount) external returns (bool);
+	function approveCross(CrossAddress memory spender, uint256 amount) external returns (bool);
 
 	/// @dev Function that changes total amount of the tokens.
 	///  Throws if `msg.sender` doesn't owns all of the tokens.
@@ -64,7 +64,7 @@
 	/// @param amount The amount to be transferred.
 	/// @dev EVM selector for this function is: 0x2ada85ff,
 	///  or in textual repr: transferCross((address,uint256),uint256)
-	function transferCross(EthCrossAccount memory to, uint256 amount) external returns (bool);
+	function transferCross(CrossAddress memory to, uint256 amount) external returns (bool);
 
 	/// @dev Transfer tokens from one address to another
 	/// @param from The address which you want to send tokens from
@@ -73,14 +73,14 @@
 	/// @dev EVM selector for this function is: 0xd5cf430b,
 	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)
 	function transferFromCross(
-		EthCrossAccount memory from,
-		EthCrossAccount memory to,
+		CrossAddress memory from,
+		CrossAddress memory to,
 		uint256 amount
 	) external returns (bool);
 }
 
-/// @dev Cross account struct
-struct EthCrossAccount {
+/// Cross account struct
+struct CrossAddress {
 	address eth;
 	uint256 sub;
 }
modifiedtests/src/eth/collectionLimits.test.tsdiffbeforeafterboth
--- a/tests/src/eth/collectionLimits.test.ts
+++ b/tests/src/eth/collectionLimits.test.ts
@@ -1,7 +1,7 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {Pallets} from '../util';
 import {expect, itEth, usingEthPlaygrounds} from './util';
-import {CollectionLimits} from './util/playgrounds/types';
+import {CollectionLimitField} from './util/playgrounds/types';
 
 
 describe('Can set collection limits', () => {
@@ -46,15 +46,15 @@
       };
 
       const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, testCase.case, owner);
-      await collectionEvm.methods.setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, limits.accountTokenOwnershipLimit).send();
-      await collectionEvm.methods.setCollectionLimit(CollectionLimits.SponsoredDataSize, true, limits.sponsoredDataSize).send();
-      await collectionEvm.methods.setCollectionLimit(CollectionLimits.SponsoredDataRateLimit, true, limits.sponsoredDataRateLimit).send();
-      await collectionEvm.methods.setCollectionLimit(CollectionLimits.TokenLimit, true, limits.tokenLimit).send();
-      await collectionEvm.methods.setCollectionLimit(CollectionLimits.SponsorTransferTimeout, true, limits.sponsorTransferTimeout).send();
-      await collectionEvm.methods.setCollectionLimit(CollectionLimits.SponsorApproveTimeout, true, limits.sponsorApproveTimeout).send();
-      await collectionEvm.methods.setCollectionLimit(CollectionLimits.OwnerCanTransfer, true, limits.ownerCanTransfer).send();
-      await collectionEvm.methods.setCollectionLimit(CollectionLimits.OwnerCanDestroy, true, limits.ownerCanDestroy).send();
-      await collectionEvm.methods.setCollectionLimit(CollectionLimits.TransferEnabled, true, limits.transfersEnabled).send();
+      await collectionEvm.methods.setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: limits.accountTokenOwnershipLimit}}).send();
+      await collectionEvm.methods.setCollectionLimit({field: CollectionLimitField.SponsoredDataSize, value: {status: true, value: limits.sponsoredDataSize}}).send();
+      await collectionEvm.methods.setCollectionLimit({field: CollectionLimitField.SponsoredDataRateLimit, value: {status: true, value: limits.sponsoredDataRateLimit}}).send();
+      await collectionEvm.methods.setCollectionLimit({field: CollectionLimitField.TokenLimit, value: {status: true, value: limits.tokenLimit}}).send();
+      await collectionEvm.methods.setCollectionLimit({field: CollectionLimitField.SponsorTransferTimeout, value: {status: true, value: limits.sponsorTransferTimeout}}).send();
+      await collectionEvm.methods.setCollectionLimit({field: CollectionLimitField.SponsorApproveTimeout, value: {status: true, value: limits.sponsorApproveTimeout}}).send();
+      await collectionEvm.methods.setCollectionLimit({field: CollectionLimitField.OwnerCanTransfer, value: {status: true, value: limits.ownerCanTransfer}}).send();
+      await collectionEvm.methods.setCollectionLimit({field: CollectionLimitField.OwnerCanDestroy, value: {status: true, value: limits.ownerCanDestroy}}).send();
+      await collectionEvm.methods.setCollectionLimit({field: CollectionLimitField.TransferEnabled, value: {status: true, value: limits.transfersEnabled}}).send();
 
       // Check limits from sub:
       const data = (await helper.rft.getData(collectionId))!;
@@ -63,15 +63,15 @@
       // Check limits from eth:
       const limitsEvm = await collectionEvm.methods.collectionLimits().call({from: owner});
       expect(limitsEvm).to.have.length(9);
-      expect(limitsEvm[0]).to.deep.eq([CollectionLimits.AccountTokenOwnership.toString(), true, limits.accountTokenOwnershipLimit.toString()]);
-      expect(limitsEvm[1]).to.deep.eq([CollectionLimits.SponsoredDataSize.toString(), true, limits.sponsoredDataSize.toString()]);
-      expect(limitsEvm[2]).to.deep.eq([CollectionLimits.SponsoredDataRateLimit.toString(), true, limits.sponsoredDataRateLimit.toString()]);
-      expect(limitsEvm[3]).to.deep.eq([CollectionLimits.TokenLimit.toString(), true, limits.tokenLimit.toString()]);
-      expect(limitsEvm[4]).to.deep.eq([CollectionLimits.SponsorTransferTimeout.toString(), true, limits.sponsorTransferTimeout.toString()]);
-      expect(limitsEvm[5]).to.deep.eq([CollectionLimits.SponsorApproveTimeout.toString(), true, limits.sponsorApproveTimeout.toString()]);
-      expect(limitsEvm[6]).to.deep.eq([CollectionLimits.OwnerCanTransfer.toString(), true, limits.ownerCanTransfer.toString()]);
-      expect(limitsEvm[7]).to.deep.eq([CollectionLimits.OwnerCanDestroy.toString(), true, limits.ownerCanDestroy.toString()]);
-      expect(limitsEvm[8]).to.deep.eq([CollectionLimits.TransferEnabled.toString(), true, limits.transfersEnabled.toString()]);
+      expect(limitsEvm[0]).to.deep.eq([CollectionLimitField.AccountTokenOwnership.toString(), [true, limits.accountTokenOwnershipLimit.toString()]]);
+      expect(limitsEvm[1]).to.deep.eq([CollectionLimitField.SponsoredDataSize.toString(), [true, limits.sponsoredDataSize.toString()]]);
+      expect(limitsEvm[2]).to.deep.eq([CollectionLimitField.SponsoredDataRateLimit.toString(), [true, limits.sponsoredDataRateLimit.toString()]]);
+      expect(limitsEvm[3]).to.deep.eq([CollectionLimitField.TokenLimit.toString(), [true, limits.tokenLimit.toString()]]);
+      expect(limitsEvm[4]).to.deep.eq([CollectionLimitField.SponsorTransferTimeout.toString(), [true, limits.sponsorTransferTimeout.toString()]]);
+      expect(limitsEvm[5]).to.deep.eq([CollectionLimitField.SponsorApproveTimeout.toString(), [true, limits.sponsorApproveTimeout.toString()]]);
+      expect(limitsEvm[6]).to.deep.eq([CollectionLimitField.OwnerCanTransfer.toString(), [true, limits.ownerCanTransfer.toString()]]);
+      expect(limitsEvm[7]).to.deep.eq([CollectionLimitField.OwnerCanDestroy.toString(), [true, limits.ownerCanDestroy.toString()]]);
+      expect(limitsEvm[8]).to.deep.eq([CollectionLimitField.TransferEnabled.toString(), [true, limits.transfersEnabled.toString()]]);
     }));
 });
 
@@ -101,24 +101,24 @@
 
       // Cannot set non-existing limit
       await expect(collectionEvm.methods
-        .setCollectionLimit(9, true, 1)
-        .call()).to.be.rejectedWith('Returned error: VM Exception while processing transaction: revert Value not convertible into enum "CollectionLimits"');
+        .setCollectionLimit({field: 9, value: {status: true, value: 1}})
+        .call()).to.be.rejectedWith('Returned error: VM Exception while processing transaction: revert Value not convertible into enum "CollectionLimitField"');
 
       // Cannot disable limits
       await expect(collectionEvm.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, false, 200)
-        .call()).to.be.rejectedWith('Returned error: VM Exception while processing transaction: revert user can\'t disable limits');
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: false, value: 200}})
+        .call()).to.be.rejectedWith('user can\'t disable limits');
 
       await expect(collectionEvm.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, invalidLimits.accountTokenOwnershipLimit)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: invalidLimits.accountTokenOwnershipLimit}})
         .call()).to.be.rejectedWith(`can't convert value to u32 "${invalidLimits.accountTokenOwnershipLimit}"`);
 
       await expect(collectionEvm.methods
-        .setCollectionLimit(CollectionLimits.TransferEnabled, true, 3)
+        .setCollectionLimit({field: CollectionLimitField.TransferEnabled, value: {status: true, value: 3}})
         .call()).to.be.rejectedWith(`can't convert value to boolean "${invalidLimits.transfersEnabled}"`);
 
       expect(() => collectionEvm.methods
-        .setCollectionLimit(CollectionLimits.SponsoredDataSize, true, -1).send()).to.throw('value out-of-bounds');
+        .setCollectionLimit({field: CollectionLimitField.SponsoredDataSize, value: {status: true, value: -1}}).send()).to.throw('value out-of-bounds');
     }));
 
   [
@@ -133,12 +133,12 @@
 
       const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, testCase.case, owner);
       await expect(collectionEvm.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call({from: nonOwner}))
         .to.be.rejectedWith('NoPermission');
 
       await expect(collectionEvm.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .send({from: nonOwner}))
         .to.be.rejected;
     }));
modifiedtests/src/eth/contractSponsoring.test.tsdiffbeforeafterboth
--- a/tests/src/eth/contractSponsoring.test.ts
+++ b/tests/src/eth/contractSponsoring.test.ts
@@ -42,7 +42,9 @@
     expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;
 
     // 1.1 Can get sponsor using methods.sponsor:
-    const actualSponsor = await helpers.methods.sponsor(flipper.options.address).call();
+    const actualSponsorOpt = await helpers.methods.sponsor(flipper.options.address).call();
+    expect(actualSponsorOpt.status).to.be.true;
+    const actualSponsor = actualSponsorOpt.value;
     expect(actualSponsor.eth).to.eq(flipper.options.address);
     expect(actualSponsor.sub).to.eq('0');
 
@@ -151,7 +153,9 @@
     expect(await helpers.methods.hasSponsor(flipper.options.address).call()).to.be.true;
 
     // 1.1 Can get sponsor using methods.sponsor:
-    const actualSponsor = await helpers.methods.sponsor(flipper.options.address).call();
+    const actualSponsorOpt = await helpers.methods.sponsor(flipper.options.address).call();
+    expect(actualSponsorOpt.status).to.be.true;
+    const actualSponsor = actualSponsorOpt.value;
     expect(actualSponsor.eth).to.eq(sponsor);
     expect(actualSponsor.sub).to.eq('0');
 
modifiedtests/src/eth/createFTCollection.test.tsdiffbeforeafterboth
--- a/tests/src/eth/createFTCollection.test.ts
+++ b/tests/src/eth/createFTCollection.test.ts
@@ -18,7 +18,7 @@
 import {evmToAddress} from '@polkadot/util-crypto';
 import {Pallets, requirePalletsOrSkip} from '../util';
 import {expect, itEth, usingEthPlaygrounds} from './util';
-import {CollectionLimits} from './util/playgrounds/types';
+import {CollectionLimitField} from './util/playgrounds/types';
 
 const DECIMALS = 18;
 
@@ -205,7 +205,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
@@ -230,7 +230,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
modifiedtests/src/eth/createNFTCollection.test.tsdiffbeforeafterboth
--- a/tests/src/eth/createNFTCollection.test.ts
+++ b/tests/src/eth/createNFTCollection.test.ts
@@ -17,7 +17,7 @@
 import {evmToAddress} from '@polkadot/util-crypto';
 import {IKeyringPair} from '@polkadot/types/types';
 import {expect, itEth, usingEthPlaygrounds} from './util';
-import {CollectionLimits} from './util/playgrounds/types';
+import {CollectionLimitField} from './util/playgrounds/types';
 
 
 describe('Create NFT collection from EVM', () => {
@@ -215,7 +215,7 @@
     }
     {
       await expect(malfeasantCollection.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
@@ -240,7 +240,7 @@
     }
     {
       await expect(malfeasantCollection.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
modifiedtests/src/eth/createRFTCollection.test.tsdiffbeforeafterboth
--- a/tests/src/eth/createRFTCollection.test.ts
+++ b/tests/src/eth/createRFTCollection.test.ts
@@ -18,7 +18,7 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {Pallets, requirePalletsOrSkip} from '../util';
 import {expect, itEth, usingEthPlaygrounds} from './util';
-import {CollectionLimits} from './util/playgrounds/types';
+import {CollectionLimitField} from './util/playgrounds/types';
 
 
 describe('Create RFT collection from EVM', () => {
@@ -226,7 +226,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
@@ -251,7 +251,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
modifiedtests/src/eth/events.test.tsdiffbeforeafterboth
--- a/tests/src/eth/events.test.ts
+++ b/tests/src/eth/events.test.ts
@@ -19,7 +19,7 @@
 import {EthUniqueHelper, itEth, usingEthPlaygrounds} from './util';
 import {IEvent, TCollectionMode} from '../util/playgrounds/types';
 import {Pallets, requirePalletsOrSkip} from '../util';
-import {CollectionLimits, EthTokenPermissions, NormalizedEvent} from './util/playgrounds/types';
+import {CollectionLimitField, TokenPermissionField, NormalizedEvent} from './util/playgrounds/types';
 
 let donor: IKeyringPair;
 
@@ -121,9 +121,9 @@
   const {unsubscribe, collectedEvents: subEvents} = await helper.subscribeEvents([{section: 'common', names: ['PropertyPermissionSet']}]);
   await collection.methods.setTokenPropertyPermissions([
     ['A', [
-      [EthTokenPermissions.Mutable, true],
-      [EthTokenPermissions.TokenOwner, true],
-      [EthTokenPermissions.CollectionAdmin, true]],
+      [TokenPermissionField.Mutable, true],
+      [TokenPermissionField.TokenOwner, true],
+      [TokenPermissionField.CollectionAdmin, true]],
     ],
   ]).send({from: owner});
   await helper.wait.newBlocks(1);
@@ -233,7 +233,7 @@
   });
   const {unsubscribe, collectedEvents: subEvents} = await helper.subscribeEvents([{section: 'common', names: ['CollectionLimitSet']}]);
   {
-    await collection.methods.setCollectionLimit(CollectionLimits.OwnerCanTransfer, true, 0).send({from: owner});
+    await collection.methods.setCollectionLimit({field: CollectionLimitField.OwnerCanTransfer, value: {status: true, value: 0}}).send({from: owner});
     await helper.wait.newBlocks(1);
     expect(ethEvents).to.containSubset([
       {
@@ -379,9 +379,9 @@
   const tokenId = result.events.Transfer.returnValues.tokenId;
   await collection.methods.setTokenPropertyPermissions([
     ['A', [
-      [EthTokenPermissions.Mutable, true],
-      [EthTokenPermissions.TokenOwner, true],
-      [EthTokenPermissions.CollectionAdmin, true]],
+      [TokenPermissionField.Mutable, true],
+      [TokenPermissionField.TokenOwner, true],
+      [TokenPermissionField.CollectionAdmin, true]],
     ],
   ]).send({from: owner});
 
modifiedtests/src/eth/fractionalizer/Fractionalizer.soldiffbeforeafterboth
--- a/tests/src/eth/fractionalizer/Fractionalizer.sol
+++ b/tests/src/eth/fractionalizer/Fractionalizer.sol
@@ -3,7 +3,7 @@
 import {CollectionHelpers} from "../api/CollectionHelpers.sol";
 import {ContractHelpers} from "../api/ContractHelpers.sol";
 import {UniqueRefungibleToken} from "../api/UniqueRefungibleToken.sol";
-import {UniqueRefungible, EthCrossAccount} from "../api/UniqueRefungible.sol";
+import {UniqueRefungible, CrossAddress} from "../api/UniqueRefungible.sol";
 import {UniqueNFT} from "../api/UniqueNFT.sol";
 
 /// @dev Fractionalization contract. It stores mappings between NFT and RFT tokens,
@@ -63,7 +63,7 @@
 			"Wrong collection type. Collection is not refungible."
 		);
 		require(
-			refungibleContract.isOwnerOrAdminCross(EthCrossAccount({eth: address(this), sub: uint256(0)})),
+			refungibleContract.isOwnerOrAdminCross(CrossAddress({eth: address(this), sub: uint256(0)})),
 			"Fractionalizer contract should be an admin of the collection"
 		);
 		rftCollection = _collection;
@@ -128,7 +128,7 @@
 		address rftTokenAddress;
 		UniqueRefungibleToken rftTokenContract;
 		if (nft2rftMapping[_collection][_token] == 0) {
-            rftTokenId = rftCollectionContract.mint(address(this));
+			rftTokenId = rftCollectionContract.mint(address(this));
 			rftTokenAddress = rftCollectionContract.tokenContractAddress(rftTokenId);
 			nft2rftMapping[_collection][_token] = rftTokenId;
 			rft2nftMapping[rftTokenAddress] = Token(_collection, _token);
modifiedtests/src/eth/tokenProperties.test.tsdiffbeforeafterboth
--- a/tests/src/eth/tokenProperties.test.ts
+++ b/tests/src/eth/tokenProperties.test.ts
@@ -20,7 +20,7 @@
 import {ITokenPropertyPermission} from '../util/playgrounds/types';
 import {Pallets} from '../util';
 import {UniqueNFTCollection, UniqueNFToken, UniqueRFTCollection} from '../util/playgrounds/unique';
-import {EthTokenPermissions} from './util/playgrounds/types';
+import {TokenPermissionField} from './util/playgrounds/types';
 
 describe('EVM token properties', () => {
   let donor: IKeyringPair;
@@ -47,9 +47,9 @@
 
         await collection.methods.setTokenPropertyPermissions([
           ['testKey', [
-            [EthTokenPermissions.Mutable, mutable],
-            [EthTokenPermissions.TokenOwner, tokenOwner],
-            [EthTokenPermissions.CollectionAdmin, collectionAdmin]],
+            [TokenPermissionField.Mutable, mutable],
+            [TokenPermissionField.TokenOwner, tokenOwner],
+            [TokenPermissionField.CollectionAdmin, collectionAdmin]],
           ],
         ]).send({from: caller.eth});
 
@@ -60,9 +60,9 @@
 
         expect(await collection.methods.tokenPropertyPermissions().call({from: caller.eth})).to.be.like([
           ['testKey', [
-            [EthTokenPermissions.Mutable.toString(), mutable],
-            [EthTokenPermissions.TokenOwner.toString(), tokenOwner],
-            [EthTokenPermissions.CollectionAdmin.toString(), collectionAdmin]],
+            [TokenPermissionField.Mutable.toString(), mutable],
+            [TokenPermissionField.TokenOwner.toString(), tokenOwner],
+            [TokenPermissionField.CollectionAdmin.toString(), collectionAdmin]],
           ],
         ]);
       }
@@ -80,19 +80,19 @@
 
       await collection.methods.setTokenPropertyPermissions([
         ['testKey_0', [
-          [EthTokenPermissions.Mutable, true],
-          [EthTokenPermissions.TokenOwner, true],
-          [EthTokenPermissions.CollectionAdmin, true]],
+          [TokenPermissionField.Mutable, true],
+          [TokenPermissionField.TokenOwner, true],
+          [TokenPermissionField.CollectionAdmin, true]],
         ],
         ['testKey_1', [
-          [EthTokenPermissions.Mutable, true],
-          [EthTokenPermissions.TokenOwner, false],
-          [EthTokenPermissions.CollectionAdmin, true]],
+          [TokenPermissionField.Mutable, true],
+          [TokenPermissionField.TokenOwner, false],
+          [TokenPermissionField.CollectionAdmin, true]],
         ],
         ['testKey_2', [
-          [EthTokenPermissions.Mutable, false],
-          [EthTokenPermissions.TokenOwner, true],
-          [EthTokenPermissions.CollectionAdmin, false]],
+          [TokenPermissionField.Mutable, false],
+          [TokenPermissionField.TokenOwner, true],
+          [TokenPermissionField.CollectionAdmin, false]],
         ],
       ]).send({from: owner});
 
@@ -113,19 +113,19 @@
 
       expect(await collection.methods.tokenPropertyPermissions().call({from: owner})).to.be.like([
         ['testKey_0', [
-          [EthTokenPermissions.Mutable.toString(), true],
-          [EthTokenPermissions.TokenOwner.toString(), true],
-          [EthTokenPermissions.CollectionAdmin.toString(), true]],
+          [TokenPermissionField.Mutable.toString(), true],
+          [TokenPermissionField.TokenOwner.toString(), true],
+          [TokenPermissionField.CollectionAdmin.toString(), true]],
         ],
         ['testKey_1', [
-          [EthTokenPermissions.Mutable.toString(), true],
-          [EthTokenPermissions.TokenOwner.toString(), false],
-          [EthTokenPermissions.CollectionAdmin.toString(), true]],
+          [TokenPermissionField.Mutable.toString(), true],
+          [TokenPermissionField.TokenOwner.toString(), false],
+          [TokenPermissionField.CollectionAdmin.toString(), true]],
         ],
         ['testKey_2', [
-          [EthTokenPermissions.Mutable.toString(), false],
-          [EthTokenPermissions.TokenOwner.toString(), true],
-          [EthTokenPermissions.CollectionAdmin.toString(), false]],
+          [TokenPermissionField.Mutable.toString(), false],
+          [TokenPermissionField.TokenOwner.toString(), true],
+          [TokenPermissionField.CollectionAdmin.toString(), false]],
         ],
       ]);
     }));
@@ -144,19 +144,19 @@
 
       await collection.methods.setTokenPropertyPermissions([
         ['testKey_0', [
-          [EthTokenPermissions.Mutable, true],
-          [EthTokenPermissions.TokenOwner, true],
-          [EthTokenPermissions.CollectionAdmin, true]],
+          [TokenPermissionField.Mutable, true],
+          [TokenPermissionField.TokenOwner, true],
+          [TokenPermissionField.CollectionAdmin, true]],
         ],
         ['testKey_1', [
-          [EthTokenPermissions.Mutable, true],
-          [EthTokenPermissions.TokenOwner, false],
-          [EthTokenPermissions.CollectionAdmin, true]],
+          [TokenPermissionField.Mutable, true],
+          [TokenPermissionField.TokenOwner, false],
+          [TokenPermissionField.CollectionAdmin, true]],
         ],
         ['testKey_2', [
-          [EthTokenPermissions.Mutable, false],
-          [EthTokenPermissions.TokenOwner, true],
-          [EthTokenPermissions.CollectionAdmin, false]],
+          [TokenPermissionField.Mutable, false],
+          [TokenPermissionField.TokenOwner, true],
+          [TokenPermissionField.CollectionAdmin, false]],
         ],
       ]).send({from: caller.eth});
 
@@ -177,19 +177,19 @@
 
       expect(await collection.methods.tokenPropertyPermissions().call({from: caller.eth})).to.be.like([
         ['testKey_0', [
-          [EthTokenPermissions.Mutable.toString(), true],
-          [EthTokenPermissions.TokenOwner.toString(), true],
-          [EthTokenPermissions.CollectionAdmin.toString(), true]],
+          [TokenPermissionField.Mutable.toString(), true],
+          [TokenPermissionField.TokenOwner.toString(), true],
+          [TokenPermissionField.CollectionAdmin.toString(), true]],
         ],
         ['testKey_1', [
-          [EthTokenPermissions.Mutable.toString(), true],
-          [EthTokenPermissions.TokenOwner.toString(), false],
-          [EthTokenPermissions.CollectionAdmin.toString(), true]],
+          [TokenPermissionField.Mutable.toString(), true],
+          [TokenPermissionField.TokenOwner.toString(), false],
+          [TokenPermissionField.CollectionAdmin.toString(), true]],
         ],
         ['testKey_2', [
-          [EthTokenPermissions.Mutable.toString(), false],
-          [EthTokenPermissions.TokenOwner.toString(), true],
-          [EthTokenPermissions.CollectionAdmin.toString(), false]],
+          [TokenPermissionField.Mutable.toString(), false],
+          [TokenPermissionField.TokenOwner.toString(), true],
+          [TokenPermissionField.CollectionAdmin.toString(), false]],
         ],
       ]);
 
@@ -460,9 +460,9 @@
 
       await expect(collection.methods.setTokenPropertyPermissions([
         ['testKey_0', [
-          [EthTokenPermissions.Mutable, true],
-          [EthTokenPermissions.TokenOwner, true],
-          [EthTokenPermissions.CollectionAdmin, true]],
+          [TokenPermissionField.Mutable, true],
+          [TokenPermissionField.TokenOwner, true],
+          [TokenPermissionField.CollectionAdmin, true]],
         ],
       ]).call({from: caller})).to.be.rejectedWith('NoPermission');
     }));
@@ -480,9 +480,9 @@
       await expect(collection.methods.setTokenPropertyPermissions([
         // "Space" is invalid character
         ['testKey 0', [
-          [EthTokenPermissions.Mutable, true],
-          [EthTokenPermissions.TokenOwner, true],
-          [EthTokenPermissions.CollectionAdmin, true]],
+          [TokenPermissionField.Mutable, true],
+          [TokenPermissionField.TokenOwner, true],
+          [TokenPermissionField.CollectionAdmin, true]],
         ],
       ]).call({from: owner})).to.be.rejectedWith('InvalidCharacterInPropertyKey');
     }));
@@ -500,9 +500,9 @@
       // 1. Owner sets strict property-permissions:
       await collection.methods.setTokenPropertyPermissions([
         ['testKey', [
-          [EthTokenPermissions.Mutable, true],
-          [EthTokenPermissions.TokenOwner, true],
-          [EthTokenPermissions.CollectionAdmin, true]],
+          [TokenPermissionField.Mutable, true],
+          [TokenPermissionField.TokenOwner, true],
+          [TokenPermissionField.CollectionAdmin, true]],
         ],
       ]).send({from: owner});
 
@@ -510,9 +510,9 @@
       for(const values of [[true, true, false], [true, false, false], [false, false, false]]) {
         await collection.methods.setTokenPropertyPermissions([
           ['testKey', [
-            [EthTokenPermissions.Mutable, values[0]],
-            [EthTokenPermissions.TokenOwner, values[1]],
-            [EthTokenPermissions.CollectionAdmin, values[2]]],
+            [TokenPermissionField.Mutable, values[0]],
+            [TokenPermissionField.TokenOwner, values[1]],
+            [TokenPermissionField.CollectionAdmin, values[2]]],
           ],
         ]).send({from: owner});
       }
@@ -536,9 +536,9 @@
       // 1. Owner sets strict property-permissions:
       await collection.methods.setTokenPropertyPermissions([
         ['testKey', [
-          [EthTokenPermissions.Mutable, false],
-          [EthTokenPermissions.TokenOwner, false],
-          [EthTokenPermissions.CollectionAdmin, false]],
+          [TokenPermissionField.Mutable, false],
+          [TokenPermissionField.TokenOwner, false],
+          [TokenPermissionField.CollectionAdmin, false]],
         ],
       ]).send({from: owner});
 
@@ -546,9 +546,9 @@
       for(const values of [[true, false, false], [false, true, false], [false, false, true]]) {
         await expect(collection.methods.setTokenPropertyPermissions([
           ['testKey', [
-            [EthTokenPermissions.Mutable, values[0]],
-            [EthTokenPermissions.TokenOwner, values[1]],
-            [EthTokenPermissions.CollectionAdmin, values[2]]],
+            [TokenPermissionField.Mutable, values[0]],
+            [TokenPermissionField.TokenOwner, values[1]],
+            [TokenPermissionField.CollectionAdmin, values[2]]],
           ],
         ]).call({from: owner})).to.be.rejectedWith('NoPermission');
       }
modifiedtests/src/eth/util/playgrounds/types.tsdiffbeforeafterboth
--- a/tests/src/eth/util/playgrounds/types.ts
+++ b/tests/src/eth/util/playgrounds/types.ts
@@ -13,19 +13,26 @@
   event: string,
   args: { [key: string]: string }
 };
-export interface TEthCrossAccount {
+
+export interface OptionUint {
+  status: boolean,
+  value: bigint,
+}
+
+export interface CrossAddress {
   readonly eth: string,
   readonly sub: string | Uint8Array,
 }
 
 export type EthProperty = string[];
 
-export enum EthTokenPermissions {
+export enum TokenPermissionField {
   Mutable,
   TokenOwner,
   CollectionAdmin
 }
-export enum CollectionLimits {
+
+export enum CollectionLimitField {
   AccountTokenOwnership,
 	SponsoredDataSize,
 	SponsoredDataRateLimit,
@@ -36,3 +43,8 @@
 	OwnerCanDestroy,
 	TransferEnabled
 }
+
+export interface CollectionLimit {
+  field: CollectionLimitField,
+  value: OptionUint,
+}
modifiedtests/src/eth/util/playgrounds/unique.dev.tsdiffbeforeafterboth
--- a/tests/src/eth/util/playgrounds/unique.dev.ts
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -18,7 +18,7 @@
 
 import {DevUniqueHelper} from '../../../util/playgrounds/unique.dev';
 
-import {ContractImports, CompiledContract, TEthCrossAccount, NormalizedEvent, EthProperty} from './types';
+import {ContractImports, CompiledContract, CrossAddress, NormalizedEvent, EthProperty} from './types';
 
 // Native contracts ABI
 import collectionHelpersAbi from '../../abi/collectionHelpers.json';
@@ -435,7 +435,7 @@
 export type EthUniqueHelperConstructor = new (...args: any[]) => EthUniqueHelper;
 
 export class EthCrossAccountGroup extends EthGroupBase {
-  createAccount(): TEthCrossAccount {
+  createAccount(): CrossAddress {
     return this.fromAddress(this.helper.eth.createAccount());
   }
 
@@ -443,14 +443,14 @@
     return this.fromAddress(await this.helper.eth.createAccountWithBalance(donor, amount));
   }
 
-  fromAddress(address: TEthereumAccount): TEthCrossAccount {
+  fromAddress(address: TEthereumAccount): CrossAddress {
     return {
       eth: address,
       sub: '0',
     };
   }
 
-  fromKeyringPair(keyring: IKeyringPair): TEthCrossAccount {
+  fromKeyringPair(keyring: IKeyringPair): CrossAddress {
     return {
       eth: '0x0000000000000000000000000000000000000000',
       sub: keyring.addressRaw,
modifiedtests/src/util/index.tsdiffbeforeafterboth
--- a/tests/src/util/index.ts
+++ b/tests/src/util/index.ts
@@ -11,7 +11,7 @@
 import config from '../config';
 import {ChainHelperBase} from './playgrounds/unique';
 import {ILogger} from './playgrounds/types';
-import {DevUniqueHelper, SilentLogger, SilentConsole, DevMoonbeamHelper, DevMoonriverHelper, DevAcalaHelper, DevKaruraHelper, DevRelayHelper, DevWestmintHelper} from './playgrounds/unique.dev';
+import {DevUniqueHelper, SilentLogger, SilentConsole, DevMoonbeamHelper, DevMoonriverHelper, DevAcalaHelper, DevKaruraHelper, DevRelayHelper, DevWestmintHelper, DevStatemineHelper, DevStatemintHelper} from './playgrounds/unique.dev';
 
 chai.use(chaiAsPromised);
 chai.use(chaiSubset);
@@ -65,6 +65,14 @@
   return usingPlaygroundsGeneral<DevWestmintHelper>(DevWestmintHelper, url, code);
 };
 
+export const usingStateminePlaygrounds = (url: string, code: (helper: DevWestmintHelper, privateKey: (seed: string) => Promise<IKeyringPair>) => Promise<void>) => {
+  return usingPlaygroundsGeneral<DevStatemineHelper>(DevWestmintHelper, url, code);
+};
+
+export const usingStatemintPlaygrounds = (url: string, code: (helper: DevWestmintHelper, privateKey: (seed: string) => Promise<IKeyringPair>) => Promise<void>) => {
+  return usingPlaygroundsGeneral<DevStatemintHelper>(DevWestmintHelper, url, code);
+};
+
 export const usingRelayPlaygrounds = (url: string, code: (helper: DevRelayHelper, privateKey: (seed: string) => Promise<IKeyringPair>) => Promise<void>) => {
   return usingPlaygroundsGeneral<DevRelayHelper>(DevRelayHelper, url, code);
 };
modifiedtests/src/util/playgrounds/unique.dev.tsdiffbeforeafterboth
before · tests/src/util/playgrounds/unique.dev.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// SPDX-License-Identifier: Apache-2.034import {stringToU8a} from '@polkadot/util';5import {encodeAddress, mnemonicGenerate} from '@polkadot/util-crypto';6import {UniqueHelper, MoonbeamHelper, ChainHelperBase, AcalaHelper, RelayHelper, WestmintHelper} from './unique';7import {ApiPromise, Keyring, WsProvider} from '@polkadot/api';8import * as defs from '../../interfaces/definitions';9import {IKeyringPair} from '@polkadot/types/types';10import {EventRecord} from '@polkadot/types/interfaces';11import {ICrossAccountId, TSigner} from './types';12import {FrameSystemEventRecord} from '@polkadot/types/lookup';13import {VoidFn} from '@polkadot/api/types';14import {Pallets} from '..';1516export class SilentLogger {17  log(_msg: any, _level: any): void { }18  level = {19    ERROR: 'ERROR' as const,20    WARNING: 'WARNING' as const,21    INFO: 'INFO' as const,22  };23}2425export class SilentConsole {26  // TODO: Remove, this is temporary: Filter unneeded API output27  // (Jaco promised it will be removed in the next version)28  consoleErr: any;29  consoleLog: any;30  consoleWarn: any;3132  constructor() {33    this.consoleErr = console.error;34    this.consoleLog = console.log;35    this.consoleWarn = console.warn;36  }3738  enable() {39    const outFn = (printer: any) => (...args: any[]) => {40      for (const arg of args) {41        if (typeof arg !== 'string')42          continue;43        if (arg.includes('1000:: Normal connection closure') || arg.includes('Not decorating unknown runtime apis:') || arg.includes('RPC methods not decorated:') || arg === 'Normal connection closure')44          return;45      }46      printer(...args);47    };4849    console.error = outFn(this.consoleErr.bind(console));50    console.log = outFn(this.consoleLog.bind(console));51    console.warn = outFn(this.consoleWarn.bind(console));52  }5354  disable() {55    console.error = this.consoleErr;56    console.log = this.consoleLog;57    console.warn = this.consoleWarn;58  }59}6061export class DevUniqueHelper extends UniqueHelper {62  /**63   * Arrange methods for tests64   */65  arrange: ArrangeGroup;66  wait: WaitGroup;67  admin: AdminGroup;68  testUtils: TestUtilGroup;6970  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {71    options.helperBase = options.helperBase ?? DevUniqueHelper;7273    super(logger, options);74    this.arrange = new ArrangeGroup(this);75    this.wait = new WaitGroup(this);76    this.admin = new AdminGroup(this);77    this.testUtils = new TestUtilGroup(this);78  }7980  async connect(wsEndpoint: string, _listeners?: any): Promise<void> {81    const wsProvider = new WsProvider(wsEndpoint);82    this.api = new ApiPromise({83      provider: wsProvider,84      signedExtensions: {85        ContractHelpers: {86          extrinsic: {},87          payload: {},88        },89        CheckMaintenance: {90          extrinsic: {},91          payload: {},92        },93        FakeTransactionFinalizer: {94          extrinsic: {},95          payload: {},96        },97      },98      rpc: {99        unique: defs.unique.rpc,100        appPromotion: defs.appPromotion.rpc,101        rmrk: defs.rmrk.rpc,102        eth: {103          feeHistory: {104            description: 'Dummy',105            params: [],106            type: 'u8',107          },108          maxPriorityFeePerGas: {109            description: 'Dummy',110            params: [],111            type: 'u8',112          },113        },114      },115    });116    await this.api.isReadyOrError;117    this.network = await UniqueHelper.detectNetwork(this.api);118  }119}120121export class DevRelayHelper extends RelayHelper {}122123export class DevWestmintHelper extends WestmintHelper {124  wait: WaitGroup;125126  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {127    options.helperBase = options.helperBase ?? DevWestmintHelper;128129    super(logger, options);130    this.wait = new WaitGroup(this);131  }132}133134export class DevMoonbeamHelper extends MoonbeamHelper {135  account: MoonbeamAccountGroup;136  wait: WaitGroup;137138  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {139    options.helperBase = options.helperBase ?? DevMoonbeamHelper;140141    super(logger, options);142    this.account = new MoonbeamAccountGroup(this);143    this.wait = new WaitGroup(this);144  }145}146147export class DevMoonriverHelper extends DevMoonbeamHelper {}148149export class DevAcalaHelper extends AcalaHelper {150  wait: WaitGroup;151152  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {153    options.helperBase = options.helperBase ?? DevAcalaHelper;154155    super(logger, options);156    this.wait = new WaitGroup(this);157  }158}159160export class DevKaruraHelper extends DevAcalaHelper {}161162class ArrangeGroup {163  helper: DevUniqueHelper;164165  scheduledIdSlider = 0;166167  constructor(helper: DevUniqueHelper) {168    this.helper = helper;169  }170171  /**172   * Generates accounts with the specified UNQ token balance173   * @param balances balances for generated accounts. Each balance will be multiplied by the token nominal.174   * @param donor donor account for balances175   * @returns array of newly created accounts176   * @example const [acc1, acc2, acc3] = await createAccounts([0n, 10n, 20n], donor);177   */178  createAccounts = async (balances: bigint[], donor: IKeyringPair): Promise<IKeyringPair[]> => {179    let nonce = await this.helper.chain.getNonce(donor.address);180    const wait = new WaitGroup(this.helper);181    const ss58Format = this.helper.chain.getChainProperties().ss58Format;182    const tokenNominal = this.helper.balance.getOneTokenNominal();183    const transactions = [];184    const accounts: IKeyringPair[] = [];185    for (const balance of balances) {186      const recipient = this.helper.util.fromSeed(mnemonicGenerate(), ss58Format);187      accounts.push(recipient);188      if (balance !== 0n) {189        const tx = this.helper.constructApiCall('api.tx.balances.transfer', [{Id: recipient.address}, balance * tokenNominal]);190        transactions.push(this.helper.signTransaction(donor, tx, {nonce}, 'account generation'));191        nonce++;192      }193    }194195    await Promise.all(transactions).catch(_e => {});196197    //#region TODO remove this region, when nonce problem will be solved198    const checkBalances = async () => {199      let isSuccess = true;200      for (let i = 0; i < balances.length; i++) {201        const balance = await this.helper.balance.getSubstrate(accounts[i].address);202        if (balance !== balances[i] * tokenNominal) {203          isSuccess = false;204          break;205        }206      }207      return isSuccess;208    };209210    let accountsCreated = false;211    const maxBlocksChecked = await this.helper.arrange.isDevNode() ? 50 : 5;212    // checkBalances retry up to 5-50 blocks213    for (let index = 0; index < maxBlocksChecked; index++) {214      accountsCreated = await checkBalances();215      if(accountsCreated) break;216      await wait.newBlocks(1);217    }218219    if (!accountsCreated) throw Error('Accounts generation failed');220    //#endregion221222    return accounts;223  };224225  // TODO combine this method and createAccounts into one226  createCrowd = async (accountsToCreate: number, withBalance: bigint, donor: IKeyringPair): Promise<IKeyringPair[]> => {227    const createAsManyAsCan = async () => {228      let transactions: any = [];229      const accounts: IKeyringPair[] = [];230      let nonce = await this.helper.chain.getNonce(donor.address);231      const tokenNominal = this.helper.balance.getOneTokenNominal();232      for (let i = 0; i < accountsToCreate; i++) {233        if (i === 500) { // if there are too many accounts to create234          await Promise.allSettled(transactions); // wait while first 500 (should be 100 for devnode) tx will be settled235          transactions = []; //236          nonce = await this.helper.chain.getNonce(donor.address); // update nonce237        }238        const recepient = this.helper.util.fromSeed(mnemonicGenerate());239        accounts.push(recepient);240        if (withBalance !== 0n) {241          const tx = this.helper.constructApiCall('api.tx.balances.transfer', [{Id: recepient.address}, withBalance * tokenNominal]);242          transactions.push(this.helper.signTransaction(donor, tx, {nonce}, 'account generation'));243          nonce++;244        }245      }246247      const fullfilledAccounts = [];248      await Promise.allSettled(transactions);249      for (const account of accounts) {250        const accountBalance = await this.helper.balance.getSubstrate(account.address);251        if (accountBalance === withBalance * tokenNominal) {252          fullfilledAccounts.push(account);253        }254      }255      return fullfilledAccounts;256    };257258259    const crowd: IKeyringPair[] = [];260    // do up to 5 retries261    for (let index = 0; index < 5 && accountsToCreate !== 0; index++) {262      const asManyAsCan = await createAsManyAsCan();263      crowd.push(...asManyAsCan);264      accountsToCreate -= asManyAsCan.length;265    }266267    if (accountsToCreate !== 0) throw Error(`Crowd generation failed: ${accountsToCreate} accounts left`);268269    return crowd;270  };271272  isDevNode = async () => {273    let blockNumber = (await this.helper.callRpc('api.query.system.number')).toJSON();274    if (blockNumber == 0) {275      await this.helper.wait.newBlocks(1);276      blockNumber = (await this.helper.callRpc('api.query.system.number')).toJSON();277    }278    const block2 = await this.helper.callRpc('api.rpc.chain.getBlock', [await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockNumber])]);279    const block1 = await this.helper.callRpc('api.rpc.chain.getBlock', [await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockNumber - 1])]);280    const findCreationDate = (block: any) => {281      const humanBlock = block.toHuman();282      let date;283      humanBlock.block.extrinsics.forEach((ext: any) => {284        if(ext.method.section === 'timestamp') {285          date = Number(ext.method.args.now.replaceAll(',', ''));286        }287      });288      return date;289    };290    const block1date = await findCreationDate(block1);291    const block2date = await findCreationDate(block2);292    if(block2date! - block1date! < 9000) return true;293  };294295  async calculcateFee(payer: ICrossAccountId, promise: () => Promise<any>): Promise<bigint> {296    const address = payer.Substrate ? payer.Substrate : await this.helper.address.ethToSubstrate(payer.Ethereum!);297    let balance = await this.helper.balance.getSubstrate(address);298299    await promise();300301    balance -= await this.helper.balance.getSubstrate(address);302303    return balance;304  }305306  calculatePalletAddress(palletId: any) {307    const address = stringToU8a(('modl' + palletId).padEnd(32, '\0'));308    return encodeAddress(address, this.helper.chain.getChainProperties().ss58Format);309  }310311  makeScheduledIds(num: number): string[] {312    function makeId(slider: number) {313      const scheduledIdSize = 64;314      const hexId = slider.toString(16);315      const prefixSize = scheduledIdSize - hexId.length;316317      const scheduledId = '0x' + '0'.repeat(prefixSize) + hexId;318319      return scheduledId;320    }321322    const ids = [];323    for (let i = 0; i < num; i++) {324      ids.push(makeId(this.scheduledIdSlider));325      this.scheduledIdSlider += 1;326    }327328    return ids;329  }330331  makeScheduledId(): string {332    return (this.makeScheduledIds(1))[0];333  }334335  async captureEvents(eventSection: string, eventMethod: string): Promise<EventCapture> {336    const capture = new EventCapture(this.helper, eventSection, eventMethod);337    await capture.startCapture();338339    return capture;340  }341}342343class MoonbeamAccountGroup {344  helper: MoonbeamHelper;345346  keyring: Keyring;347  _alithAccount: IKeyringPair;348  _baltatharAccount: IKeyringPair;349  _dorothyAccount: IKeyringPair;350351  constructor(helper: MoonbeamHelper) {352    this.helper = helper;353354    this.keyring = new Keyring({type: 'ethereum'});355    const alithPrivateKey = '0x5fb92d6e98884f76de468fa3f6278f8807c48bebc13595d45af5bdc4da702133';356    const baltatharPrivateKey = '0x8075991ce870b93a8870eca0c0f91913d12f47948ca0fd25b49c6fa7cdbeee8b';357    const dorothyPrivateKey = '0x39539ab1876910bbf3a223d84a29e28f1cb4e2e456503e7e91ed39b2e7223d68';358359    this._alithAccount = this.keyring.addFromUri(alithPrivateKey, undefined, 'ethereum');360    this._baltatharAccount = this.keyring.addFromUri(baltatharPrivateKey, undefined, 'ethereum');361    this._dorothyAccount = this.keyring.addFromUri(dorothyPrivateKey, undefined, 'ethereum');362  }363364  alithAccount() {365    return this._alithAccount;366  }367368  baltatharAccount() {369    return this._baltatharAccount;370  }371372  dorothyAccount() {373    return this._dorothyAccount;374  }375376  create() {377    return this.keyring.addFromUri(mnemonicGenerate());378  }379}380381class WaitGroup {382  helper: ChainHelperBase;383384  constructor(helper: ChainHelperBase) {385    this.helper = helper;386  }387388  sleep(milliseconds: number) {389    return new Promise((resolve) => setTimeout(resolve, milliseconds));390  }391392  private async waitWithTimeout(promise: Promise<any>, timeout: number) {393    let isBlock = false;394    promise.then(() => isBlock = true).catch(() => isBlock = true);395    let totalTime = 0;396    const step = 100;397    while(!isBlock) {398      await this.sleep(step);399      totalTime += step;400      if(totalTime >= timeout) throw Error('Blocks production failed');401    }402    return promise;403  }404405  /**406   * Wait for specified number of blocks407   * @param blocksCount number of blocks to wait408   * @returns409   */410  async newBlocks(blocksCount = 1, timeout?: number): Promise<void> {411    timeout = timeout ?? blocksCount * 60_000;412    // eslint-disable-next-line no-async-promise-executor413    const promise = new Promise<void>(async (resolve) => {414      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads(() => {415        if (blocksCount > 0) {416          blocksCount--;417        } else {418          unsubscribe();419          resolve();420        }421      });422    });423    await this.waitWithTimeout(promise, timeout);424    return promise;425  }426427  async forParachainBlockNumber(blockNumber: bigint | number, timeout?: number) {428    timeout = timeout ?? 30 * 60 * 1000;429    // eslint-disable-next-line no-async-promise-executor430    const promise = new Promise<void>(async (resolve) => {431      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads((data: any) => {432        if (data.number.toNumber() >= blockNumber) {433          unsubscribe();434          resolve();435        }436      });437    });438    await this.waitWithTimeout(promise, timeout);439    return promise;440  }441442  async forRelayBlockNumber(blockNumber: bigint | number, timeout?: number) {443    timeout = timeout ?? 30 * 60 * 1000;444    // eslint-disable-next-line no-async-promise-executor445    const promise = new Promise<void>(async (resolve) => {446      const unsubscribe = await this.helper.getApi().query.parachainSystem.validationData((data: any) => {447        if (data.value.relayParentNumber.toNumber() >= blockNumber) {448          // @ts-ignore449          unsubscribe();450          resolve();451        }452      });453    });454    await this.waitWithTimeout(promise, timeout);455    return promise;456  }457458  noScheduledTasks() {459    const api = this.helper.getApi();460461    // eslint-disable-next-line no-async-promise-executor462    const promise = new Promise<void>(async resolve => {463      const unsubscribe = await api.rpc.chain.subscribeNewHeads(async () => {464        const areThereScheduledTasks = await api.query.scheduler.lookup.entries();465466        if(areThereScheduledTasks.length == 0) {467          unsubscribe();468          resolve();469        }470      });471    });472473    return promise;474  }475476  event(maxBlocksToWait: number, eventSection: string, eventMethod: string) {477    // eslint-disable-next-line no-async-promise-executor478    const promise = new Promise<EventRecord | null>(async (resolve) => {479      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads(async header => {480        const blockNumber = header.number.toHuman();481        const blockHash = header.hash;482        const eventIdStr = `${eventSection}.${eventMethod}`;483        const waitLimitStr = `wait blocks remaining: ${maxBlocksToWait}`;484485        this.helper.logger.log(`[Block #${blockNumber}] Waiting for event \`${eventIdStr}\` (${waitLimitStr})`);486487        const apiAt = await this.helper.getApi().at(blockHash);488        const eventRecords = (await apiAt.query.system.events()) as any;489490        const neededEvent = eventRecords.toArray().find((r: FrameSystemEventRecord) => {491          return r.event.section == eventSection && r.event.method == eventMethod;492        });493494        if (neededEvent) {495          unsubscribe();496          resolve(neededEvent);497        } else if (maxBlocksToWait > 0) {498          maxBlocksToWait--;499        } else {500          this.helper.logger.log(`Event \`${eventIdStr}\` is NOT found`);501          unsubscribe();502          resolve(null);503        }504      });505    });506    return promise;507  }508}509510class TestUtilGroup {511  helper: DevUniqueHelper;512513  constructor(helper: DevUniqueHelper) {514    this.helper = helper;515  }516517  async enable() {518    if (this.helper.fetchMissingPalletNames([Pallets.TestUtils]).length != 0) {519      return;520    }521522    const signer = this.helper.util.fromSeed('//Alice');523    await this.helper.getSudo<DevUniqueHelper>().executeExtrinsic(signer, 'api.tx.testUtils.enable', [], true);524  }525526  async setTestValue(signer: TSigner, testVal: number) {527    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.setTestValue', [testVal], true);528  }529530  async incTestValue(signer: TSigner) {531    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.incTestValue', [], true);532  }533534  async setTestValueAndRollback(signer: TSigner, testVal: number) {535    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.setTestValueAndRollback', [testVal], true);536  }537538  async testValue(blockIdx?: number) {539    const api = blockIdx540      ? await this.helper.getApi().at(await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockIdx]))541      : this.helper.getApi();542543    return (await api.query.testUtils.testValue()).toJSON();544  }545546  async justTakeFee(signer: TSigner) {547    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.justTakeFee', [], true);548  }549550  async selfCancelingInc(signer: TSigner, scheduledId: string, maxTestVal: number) {551    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.selfCancelingInc', [scheduledId, maxTestVal], true);552  }553}554555class EventCapture {556  helper: DevUniqueHelper;557  eventSection: string;558  eventMethod: string;559  events: EventRecord[] = [];560  unsubscribe: VoidFn | null = null;561562  constructor(563    helper: DevUniqueHelper,564    eventSection: string,565    eventMethod: string,566  ) {567    this.helper = helper;568    this.eventSection = eventSection;569    this.eventMethod = eventMethod;570  }571572  async startCapture() {573    this.stopCapture();574    this.unsubscribe = (await this.helper.getApi().query.system.events((eventRecords: FrameSystemEventRecord[]) => {575      const newEvents = eventRecords.filter(r => {576        return r.event.section == this.eventSection && r.event.method == this.eventMethod;577      });578579      this.events.push(...newEvents);580    })) as any;581  }582583  stopCapture() {584    if (this.unsubscribe !== null) {585      this.unsubscribe();586    }587  }588589  extractCapturedEvents() {590    return this.events;591  }592}593594class AdminGroup {595  helper: UniqueHelper;596597  constructor(helper: UniqueHelper) {598    this.helper = helper;599  }600601  async payoutStakers(signer: IKeyringPair, stakersToPayout: number) {602    const payoutResult = await this.helper.executeExtrinsic(signer, 'api.tx.appPromotion.payoutStakers', [stakersToPayout], true);603    return payoutResult.result.events.filter(e => e.event.method === 'StakingRecalculation').map(e => {604      return {605        staker: e.event.data[0].toString(),606        stake: e.event.data[1].toBigInt(),607        payout: e.event.data[2].toBigInt(),608      };609    });610  }611}
after · tests/src/util/playgrounds/unique.dev.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// SPDX-License-Identifier: Apache-2.034import {stringToU8a} from '@polkadot/util';5import {encodeAddress, mnemonicGenerate} from '@polkadot/util-crypto';6import {UniqueHelper, MoonbeamHelper, ChainHelperBase, AcalaHelper, RelayHelper, WestmintHelper} from './unique';7import {ApiPromise, Keyring, WsProvider} from '@polkadot/api';8import * as defs from '../../interfaces/definitions';9import {IKeyringPair} from '@polkadot/types/types';10import {EventRecord} from '@polkadot/types/interfaces';11import {ICrossAccountId, TSigner} from './types';12import {FrameSystemEventRecord} from '@polkadot/types/lookup';13import {VoidFn} from '@polkadot/api/types';14import {Pallets} from '..';1516export class SilentLogger {17  log(_msg: any, _level: any): void { }18  level = {19    ERROR: 'ERROR' as const,20    WARNING: 'WARNING' as const,21    INFO: 'INFO' as const,22  };23}2425export class SilentConsole {26  // TODO: Remove, this is temporary: Filter unneeded API output27  // (Jaco promised it will be removed in the next version)28  consoleErr: any;29  consoleLog: any;30  consoleWarn: any;3132  constructor() {33    this.consoleErr = console.error;34    this.consoleLog = console.log;35    this.consoleWarn = console.warn;36  }3738  enable() {39    const outFn = (printer: any) => (...args: any[]) => {40      for (const arg of args) {41        if (typeof arg !== 'string')42          continue;43        if (arg.includes('1000:: Normal connection closure') || arg.includes('Not decorating unknown runtime apis:') || arg.includes('RPC methods not decorated:') || arg === 'Normal connection closure')44          return;45      }46      printer(...args);47    };4849    console.error = outFn(this.consoleErr.bind(console));50    console.log = outFn(this.consoleLog.bind(console));51    console.warn = outFn(this.consoleWarn.bind(console));52  }5354  disable() {55    console.error = this.consoleErr;56    console.log = this.consoleLog;57    console.warn = this.consoleWarn;58  }59}6061export class DevUniqueHelper extends UniqueHelper {62  /**63   * Arrange methods for tests64   */65  arrange: ArrangeGroup;66  wait: WaitGroup;67  admin: AdminGroup;68  testUtils: TestUtilGroup;6970  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {71    options.helperBase = options.helperBase ?? DevUniqueHelper;7273    super(logger, options);74    this.arrange = new ArrangeGroup(this);75    this.wait = new WaitGroup(this);76    this.admin = new AdminGroup(this);77    this.testUtils = new TestUtilGroup(this);78  }7980  async connect(wsEndpoint: string, _listeners?: any): Promise<void> {81    const wsProvider = new WsProvider(wsEndpoint);82    this.api = new ApiPromise({83      provider: wsProvider,84      signedExtensions: {85        ContractHelpers: {86          extrinsic: {},87          payload: {},88        },89        CheckMaintenance: {90          extrinsic: {},91          payload: {},92        },93        FakeTransactionFinalizer: {94          extrinsic: {},95          payload: {},96        },97      },98      rpc: {99        unique: defs.unique.rpc,100        appPromotion: defs.appPromotion.rpc,101        rmrk: defs.rmrk.rpc,102        eth: {103          feeHistory: {104            description: 'Dummy',105            params: [],106            type: 'u8',107          },108          maxPriorityFeePerGas: {109            description: 'Dummy',110            params: [],111            type: 'u8',112          },113        },114      },115    });116    await this.api.isReadyOrError;117    this.network = await UniqueHelper.detectNetwork(this.api);118  }119}120121export class DevRelayHelper extends RelayHelper {122  wait: WaitGroup;123124  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {125    options.helperBase = options.helperBase ?? DevRelayHelper;126127    super(logger, options);128    this.wait = new WaitGroup(this);129  }130}131132export class DevWestmintHelper extends WestmintHelper {133  wait: WaitGroup;134135  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {136    options.helperBase = options.helperBase ?? DevWestmintHelper;137138    super(logger, options);139    this.wait = new WaitGroup(this);140  }141}142143export class DevStatemineHelper extends DevWestmintHelper {}144145export class DevStatemintHelper extends DevWestmintHelper {}146147export class DevMoonbeamHelper extends MoonbeamHelper {148  account: MoonbeamAccountGroup;149  wait: WaitGroup;150151  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {152    options.helperBase = options.helperBase ?? DevMoonbeamHelper;153    options.notePreimagePallet = options.notePreimagePallet ?? 'democracy';154155    super(logger, options);156    this.account = new MoonbeamAccountGroup(this);157    this.wait = new WaitGroup(this);158  }159}160161export class DevMoonriverHelper extends DevMoonbeamHelper {162  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {163    options.notePreimagePallet = options.notePreimagePallet ?? 'preimage';164    super(logger, options);165  }166}167168export class DevAcalaHelper extends AcalaHelper {169  wait: WaitGroup;170171  constructor(logger: { log: (msg: any, level: any) => void, level: any }, options: {[key: string]: any} = {}) {172    options.helperBase = options.helperBase ?? DevAcalaHelper;173174    super(logger, options);175    this.wait = new WaitGroup(this);176  }177}178179export class DevKaruraHelper extends DevAcalaHelper {}180181class ArrangeGroup {182  helper: DevUniqueHelper;183184  scheduledIdSlider = 0;185186  constructor(helper: DevUniqueHelper) {187    this.helper = helper;188  }189190  /**191   * Generates accounts with the specified UNQ token balance192   * @param balances balances for generated accounts. Each balance will be multiplied by the token nominal.193   * @param donor donor account for balances194   * @returns array of newly created accounts195   * @example const [acc1, acc2, acc3] = await createAccounts([0n, 10n, 20n], donor);196   */197  createAccounts = async (balances: bigint[], donor: IKeyringPair): Promise<IKeyringPair[]> => {198    let nonce = await this.helper.chain.getNonce(donor.address);199    const wait = new WaitGroup(this.helper);200    const ss58Format = this.helper.chain.getChainProperties().ss58Format;201    const tokenNominal = this.helper.balance.getOneTokenNominal();202    const transactions = [];203    const accounts: IKeyringPair[] = [];204    for (const balance of balances) {205      const recipient = this.helper.util.fromSeed(mnemonicGenerate(), ss58Format);206      accounts.push(recipient);207      if (balance !== 0n) {208        const tx = this.helper.constructApiCall('api.tx.balances.transfer', [{Id: recipient.address}, balance * tokenNominal]);209        transactions.push(this.helper.signTransaction(donor, tx, {nonce}, 'account generation'));210        nonce++;211      }212    }213214    await Promise.all(transactions).catch(_e => {});215216    //#region TODO remove this region, when nonce problem will be solved217    const checkBalances = async () => {218      let isSuccess = true;219      for (let i = 0; i < balances.length; i++) {220        const balance = await this.helper.balance.getSubstrate(accounts[i].address);221        if (balance !== balances[i] * tokenNominal) {222          isSuccess = false;223          break;224        }225      }226      return isSuccess;227    };228229    let accountsCreated = false;230    const maxBlocksChecked = await this.helper.arrange.isDevNode() ? 50 : 5;231    // checkBalances retry up to 5-50 blocks232    for (let index = 0; index < maxBlocksChecked; index++) {233      accountsCreated = await checkBalances();234      if(accountsCreated) break;235      await wait.newBlocks(1);236    }237238    if (!accountsCreated) throw Error('Accounts generation failed');239    //#endregion240241    return accounts;242  };243244  // TODO combine this method and createAccounts into one245  createCrowd = async (accountsToCreate: number, withBalance: bigint, donor: IKeyringPair): Promise<IKeyringPair[]> => {246    const createAsManyAsCan = async () => {247      let transactions: any = [];248      const accounts: IKeyringPair[] = [];249      let nonce = await this.helper.chain.getNonce(donor.address);250      const tokenNominal = this.helper.balance.getOneTokenNominal();251      for (let i = 0; i < accountsToCreate; i++) {252        if (i === 500) { // if there are too many accounts to create253          await Promise.allSettled(transactions); // wait while first 500 (should be 100 for devnode) tx will be settled254          transactions = []; //255          nonce = await this.helper.chain.getNonce(donor.address); // update nonce256        }257        const recepient = this.helper.util.fromSeed(mnemonicGenerate());258        accounts.push(recepient);259        if (withBalance !== 0n) {260          const tx = this.helper.constructApiCall('api.tx.balances.transfer', [{Id: recepient.address}, withBalance * tokenNominal]);261          transactions.push(this.helper.signTransaction(donor, tx, {nonce}, 'account generation'));262          nonce++;263        }264      }265266      const fullfilledAccounts = [];267      await Promise.allSettled(transactions);268      for (const account of accounts) {269        const accountBalance = await this.helper.balance.getSubstrate(account.address);270        if (accountBalance === withBalance * tokenNominal) {271          fullfilledAccounts.push(account);272        }273      }274      return fullfilledAccounts;275    };276277278    const crowd: IKeyringPair[] = [];279    // do up to 5 retries280    for (let index = 0; index < 5 && accountsToCreate !== 0; index++) {281      const asManyAsCan = await createAsManyAsCan();282      crowd.push(...asManyAsCan);283      accountsToCreate -= asManyAsCan.length;284    }285286    if (accountsToCreate !== 0) throw Error(`Crowd generation failed: ${accountsToCreate} accounts left`);287288    return crowd;289  };290291  isDevNode = async () => {292    let blockNumber = (await this.helper.callRpc('api.query.system.number')).toJSON();293    if (blockNumber == 0) {294      await this.helper.wait.newBlocks(1);295      blockNumber = (await this.helper.callRpc('api.query.system.number')).toJSON();296    }297    const block2 = await this.helper.callRpc('api.rpc.chain.getBlock', [await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockNumber])]);298    const block1 = await this.helper.callRpc('api.rpc.chain.getBlock', [await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockNumber - 1])]);299    const findCreationDate = (block: any) => {300      const humanBlock = block.toHuman();301      let date;302      humanBlock.block.extrinsics.forEach((ext: any) => {303        if(ext.method.section === 'timestamp') {304          date = Number(ext.method.args.now.replaceAll(',', ''));305        }306      });307      return date;308    };309    const block1date = await findCreationDate(block1);310    const block2date = await findCreationDate(block2);311    if(block2date! - block1date! < 9000) return true;312  };313314  async calculcateFee(payer: ICrossAccountId, promise: () => Promise<any>): Promise<bigint> {315    const address = payer.Substrate ? payer.Substrate : await this.helper.address.ethToSubstrate(payer.Ethereum!);316    let balance = await this.helper.balance.getSubstrate(address);317318    await promise();319320    balance -= await this.helper.balance.getSubstrate(address);321322    return balance;323  }324325  calculatePalletAddress(palletId: any) {326    const address = stringToU8a(('modl' + palletId).padEnd(32, '\0'));327    return encodeAddress(address, this.helper.chain.getChainProperties().ss58Format);328  }329330  makeScheduledIds(num: number): string[] {331    function makeId(slider: number) {332      const scheduledIdSize = 64;333      const hexId = slider.toString(16);334      const prefixSize = scheduledIdSize - hexId.length;335336      const scheduledId = '0x' + '0'.repeat(prefixSize) + hexId;337338      return scheduledId;339    }340341    const ids = [];342    for (let i = 0; i < num; i++) {343      ids.push(makeId(this.scheduledIdSlider));344      this.scheduledIdSlider += 1;345    }346347    return ids;348  }349350  makeScheduledId(): string {351    return (this.makeScheduledIds(1))[0];352  }353354  async captureEvents(eventSection: string, eventMethod: string): Promise<EventCapture> {355    const capture = new EventCapture(this.helper, eventSection, eventMethod);356    await capture.startCapture();357358    return capture;359  }360}361362class MoonbeamAccountGroup {363  helper: MoonbeamHelper;364365  keyring: Keyring;366  _alithAccount: IKeyringPair;367  _baltatharAccount: IKeyringPair;368  _dorothyAccount: IKeyringPair;369370  constructor(helper: MoonbeamHelper) {371    this.helper = helper;372373    this.keyring = new Keyring({type: 'ethereum'});374    const alithPrivateKey = '0x5fb92d6e98884f76de468fa3f6278f8807c48bebc13595d45af5bdc4da702133';375    const baltatharPrivateKey = '0x8075991ce870b93a8870eca0c0f91913d12f47948ca0fd25b49c6fa7cdbeee8b';376    const dorothyPrivateKey = '0x39539ab1876910bbf3a223d84a29e28f1cb4e2e456503e7e91ed39b2e7223d68';377378    this._alithAccount = this.keyring.addFromUri(alithPrivateKey, undefined, 'ethereum');379    this._baltatharAccount = this.keyring.addFromUri(baltatharPrivateKey, undefined, 'ethereum');380    this._dorothyAccount = this.keyring.addFromUri(dorothyPrivateKey, undefined, 'ethereum');381  }382383  alithAccount() {384    return this._alithAccount;385  }386387  baltatharAccount() {388    return this._baltatharAccount;389  }390391  dorothyAccount() {392    return this._dorothyAccount;393  }394395  create() {396    return this.keyring.addFromUri(mnemonicGenerate());397  }398}399400class WaitGroup {401  helper: ChainHelperBase;402403  constructor(helper: ChainHelperBase) {404    this.helper = helper;405  }406407  sleep(milliseconds: number) {408    return new Promise((resolve) => setTimeout(resolve, milliseconds));409  }410411  private async waitWithTimeout(promise: Promise<any>, timeout: number) {412    let isBlock = false;413    promise.then(() => isBlock = true).catch(() => isBlock = true);414    let totalTime = 0;415    const step = 100;416    while(!isBlock) {417      await this.sleep(step);418      totalTime += step;419      if(totalTime >= timeout) throw Error('Blocks production failed');420    }421    return promise;422  }423424  /**425   * Wait for specified number of blocks426   * @param blocksCount number of blocks to wait427   * @returns428   */429  async newBlocks(blocksCount = 1, timeout?: number): Promise<void> {430    timeout = timeout ?? blocksCount * 60_000;431    // eslint-disable-next-line no-async-promise-executor432    const promise = new Promise<void>(async (resolve) => {433      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads(() => {434        if (blocksCount > 0) {435          blocksCount--;436        } else {437          unsubscribe();438          resolve();439        }440      });441    });442    await this.waitWithTimeout(promise, timeout);443    return promise;444  }445446  async forParachainBlockNumber(blockNumber: bigint | number, timeout?: number) {447    timeout = timeout ?? 30 * 60 * 1000;448    // eslint-disable-next-line no-async-promise-executor449    const promise = new Promise<void>(async (resolve) => {450      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads((data: any) => {451        if (data.number.toNumber() >= blockNumber) {452          unsubscribe();453          resolve();454        }455      });456    });457    await this.waitWithTimeout(promise, timeout);458    return promise;459  }460461  async forRelayBlockNumber(blockNumber: bigint | number, timeout?: number) {462    timeout = timeout ?? 30 * 60 * 1000;463    // eslint-disable-next-line no-async-promise-executor464    const promise = new Promise<void>(async (resolve) => {465      const unsubscribe = await this.helper.getApi().query.parachainSystem.validationData((data: any) => {466        if (data.value.relayParentNumber.toNumber() >= blockNumber) {467          // @ts-ignore468          unsubscribe();469          resolve();470        }471      });472    });473    await this.waitWithTimeout(promise, timeout);474    return promise;475  }476477  noScheduledTasks() {478    const api = this.helper.getApi();479480    // eslint-disable-next-line no-async-promise-executor481    const promise = new Promise<void>(async resolve => {482      const unsubscribe = await api.rpc.chain.subscribeNewHeads(async () => {483        const areThereScheduledTasks = await api.query.scheduler.lookup.entries();484485        if(areThereScheduledTasks.length == 0) {486          unsubscribe();487          resolve();488        }489      });490    });491492    return promise;493  }494495  event(maxBlocksToWait: number, eventSection: string, eventMethod: string) {496    // eslint-disable-next-line no-async-promise-executor497    const promise = new Promise<EventRecord | null>(async (resolve) => {498      const unsubscribe = await this.helper.getApi().rpc.chain.subscribeNewHeads(async header => {499        const blockNumber = header.number.toHuman();500        const blockHash = header.hash;501        const eventIdStr = `${eventSection}.${eventMethod}`;502        const waitLimitStr = `wait blocks remaining: ${maxBlocksToWait}`;503504        this.helper.logger.log(`[Block #${blockNumber}] Waiting for event \`${eventIdStr}\` (${waitLimitStr})`);505506        const apiAt = await this.helper.getApi().at(blockHash);507        const eventRecords = (await apiAt.query.system.events()) as any;508509        const neededEvent = eventRecords.toArray().find((r: FrameSystemEventRecord) => {510          return r.event.section == eventSection && r.event.method == eventMethod;511        });512513        if (neededEvent) {514          unsubscribe();515          resolve(neededEvent);516        } else if (maxBlocksToWait > 0) {517          maxBlocksToWait--;518        } else {519          this.helper.logger.log(`Event \`${eventIdStr}\` is NOT found`);520          unsubscribe();521          resolve(null);522        }523      });524    });525    return promise;526  }527}528529class TestUtilGroup {530  helper: DevUniqueHelper;531532  constructor(helper: DevUniqueHelper) {533    this.helper = helper;534  }535536  async enable() {537    if (this.helper.fetchMissingPalletNames([Pallets.TestUtils]).length != 0) {538      return;539    }540541    const signer = this.helper.util.fromSeed('//Alice');542    await this.helper.getSudo<DevUniqueHelper>().executeExtrinsic(signer, 'api.tx.testUtils.enable', [], true);543  }544545  async setTestValue(signer: TSigner, testVal: number) {546    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.setTestValue', [testVal], true);547  }548549  async incTestValue(signer: TSigner) {550    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.incTestValue', [], true);551  }552553  async setTestValueAndRollback(signer: TSigner, testVal: number) {554    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.setTestValueAndRollback', [testVal], true);555  }556557  async testValue(blockIdx?: number) {558    const api = blockIdx559      ? await this.helper.getApi().at(await this.helper.callRpc('api.rpc.chain.getBlockHash', [blockIdx]))560      : this.helper.getApi();561562    return (await api.query.testUtils.testValue()).toJSON();563  }564565  async justTakeFee(signer: TSigner) {566    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.justTakeFee', [], true);567  }568569  async selfCancelingInc(signer: TSigner, scheduledId: string, maxTestVal: number) {570    await this.helper.executeExtrinsic(signer, 'api.tx.testUtils.selfCancelingInc', [scheduledId, maxTestVal], true);571  }572}573574class EventCapture {575  helper: DevUniqueHelper;576  eventSection: string;577  eventMethod: string;578  events: EventRecord[] = [];579  unsubscribe: VoidFn | null = null;580581  constructor(582    helper: DevUniqueHelper,583    eventSection: string,584    eventMethod: string,585  ) {586    this.helper = helper;587    this.eventSection = eventSection;588    this.eventMethod = eventMethod;589  }590591  async startCapture() {592    this.stopCapture();593    this.unsubscribe = (await this.helper.getApi().query.system.events((eventRecords: FrameSystemEventRecord[]) => {594      const newEvents = eventRecords.filter(r => {595        return r.event.section == this.eventSection && r.event.method == this.eventMethod;596      });597598      this.events.push(...newEvents);599    })) as any;600  }601602  stopCapture() {603    if (this.unsubscribe !== null) {604      this.unsubscribe();605    }606  }607608  extractCapturedEvents() {609    return this.events;610  }611}612613class AdminGroup {614  helper: UniqueHelper;615616  constructor(helper: UniqueHelper) {617    this.helper = helper;618  }619620  async payoutStakers(signer: IKeyringPair, stakersToPayout: number) {621    const payoutResult = await this.helper.executeExtrinsic(signer, 'api.tx.appPromotion.payoutStakers', [stakersToPayout], true);622    return payoutResult.result.events.filter(e => e.event.method === 'StakingRecalculation').map(e => {623      return {624        staker: e.event.data[0].toString(),625        stake: e.event.data[1].toBigInt(),626        payout: e.event.data[2].toBigInt(),627      };628    });629  }630}
modifiedtests/src/util/playgrounds/unique.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/unique.ts
+++ b/tests/src/util/playgrounds/unique.ts
@@ -2740,21 +2740,72 @@
     this.palletName = palletName;
   }
 
-  async limitedReserveTransferAssets(signer: TSigner, destination: any, beneficiary: any, assets: any, feeAssetItem: number, weightLimit: number) {
-    await this.helper.executeExtrinsic(signer, `api.tx.${this.palletName}.limitedReserveTransferAssets`, [destination, beneficiary, assets, feeAssetItem, {Limited: weightLimit}], true);
+  async limitedReserveTransferAssets(signer: TSigner, destination: any, beneficiary: any, assets: any, feeAssetItem: number, weightLimit: any) {
+    await this.helper.executeExtrinsic(signer, `api.tx.${this.palletName}.limitedReserveTransferAssets`, [destination, beneficiary, assets, feeAssetItem, weightLimit], true);
+  }
+
+  async teleportAssets(signer: TSigner, destination: any, beneficiary: any, assets: any, feeAssetItem: number) {
+    await this.helper.executeExtrinsic(signer, `api.tx.${this.palletName}.teleportAssets`, [destination, beneficiary, assets, feeAssetItem], true);
+  }
+
+  async teleportNativeAsset(signer: TSigner, destinationParaId: number, targetAccount: Uint8Array, amount: bigint) {
+    const destination = {
+      V1: {
+        parents: 0,
+        interior: {
+          X1: {
+            Parachain: destinationParaId,
+          },
+        },
+      },
+    };
+
+    const beneficiary = {
+      V1: {
+        parents: 0,
+        interior: {
+          X1: {
+            AccountId32: {
+              network: 'Any',
+              id: targetAccount,
+            },
+          },
+        },
+      },
+    };
+
+    const assets = {
+      V1: [
+        {
+          id: {
+            Concrete: {
+              parents: 0,
+              interior: 'Here',
+            },
+          },
+          fun: {
+            Fungible: amount,
+          },
+        },
+      ],
+    };
+
+    const feeAssetItem = 0;
+
+    await this.teleportAssets(signer, destination, beneficiary, assets, feeAssetItem);
   }
 }
 
 class XTokensGroup<T extends ChainHelperBase> extends HelperGroup<T> {
-  async transfer(signer: TSigner, currencyId: any, amount: bigint, destination: any, destWeight: number) {
+  async transfer(signer: TSigner, currencyId: any, amount: bigint, destination: any, destWeight: any) {
     await this.helper.executeExtrinsic(signer, 'api.tx.xTokens.transfer', [currencyId, amount, destination, destWeight], true);
   }
 
-  async transferMultiasset(signer: TSigner, asset: any, destination: any, destWeight: number) {
+  async transferMultiasset(signer: TSigner, asset: any, destination: any, destWeight: any) {
     await this.helper.executeExtrinsic(signer, 'api.tx.xTokens.transferMultiasset', [asset, destination, destWeight], true);
   }
 
-  async transferMulticurrencies(signer: TSigner, currencies: any[], feeItem: number, destLocation: any, destWeight: number) {
+  async transferMulticurrencies(signer: TSigner, currencies: any[], feeItem: number, destLocation: any, destWeight: any) {
     await this.helper.executeExtrinsic(signer, 'api.tx.xTokens.transferMulticurrencies', [currencies, feeItem, destLocation, destWeight], true);
   }
 }
@@ -2823,12 +2874,19 @@
 }
 
 class MoonbeamDemocracyGroup extends HelperGroup<MoonbeamHelper> {
+  notePreimagePallet: string;
+
+  constructor(helper: MoonbeamHelper, options: {[key: string]: any} = {}) {
+    super(helper);
+    this.notePreimagePallet = options.notePreimagePallet;
+  }
+
   async notePreimage(signer: TSigner, encodedProposal: string) {
-    await this.helper.executeExtrinsic(signer, 'api.tx.democracy.notePreimage', [encodedProposal], true);
+    await this.helper.executeExtrinsic(signer, `api.tx.${this.notePreimagePallet}.notePreimage`, [encodedProposal], true);
   }
 
-  externalProposeMajority(proposalHash: string) {
-    return this.helper.constructApiCall('api.tx.democracy.externalProposeMajority', [proposalHash]);
+  externalProposeMajority(proposal: any) {
+    return this.helper.constructApiCall('api.tx.democracy.externalProposeMajority', [proposal]);
   }
 
   fastTrack(proposalHash: string, votingPeriod: number, delayPeriod: number) {
@@ -2857,7 +2915,7 @@
     await this.helper.executeExtrinsic(signer, `api.tx.${this.collective}.vote`, [proposalHash, proposalIndex, approve], true);
   }
 
-  async close(signer: TSigner, proposalHash: string, proposalIndex: number, weightBound: number, lengthBound: number) {
+  async close(signer: TSigner, proposalHash: string, proposalIndex: number, weightBound: any, lengthBound: number) {
     await this.helper.executeExtrinsic(signer, `api.tx.${this.collective}.close`, [proposalHash, proposalIndex, weightBound, lengthBound], true);
   }
 
@@ -2917,11 +2975,13 @@
 }
 
 export class RelayHelper extends XcmChainHelper {
+  balance: SubstrateBalanceGroup<RelayHelper>;
   xcm: XcmGroup<RelayHelper>;
 
   constructor(logger?: ILogger, options: {[key: string]: any} = {}) {
     super(logger, options.helperBase ?? RelayHelper);
 
+    this.balance = new SubstrateBalanceGroup(this);
     this.xcm = new XcmGroup(this, 'xcmPallet');
   }
 }
@@ -2960,7 +3020,7 @@
     this.assetManager = new MoonbeamAssetManagerGroup(this);
     this.assets = new AssetsGroup(this);
     this.xTokens = new XTokensGroup(this);
-    this.democracy = new MoonbeamDemocracyGroup(this);
+    this.democracy = new MoonbeamDemocracyGroup(this, options);
     this.collective = {
       council: new MoonbeamCollectiveGroup(this, 'councilCollective'),
       techCommittee: new MoonbeamCollectiveGroup(this, 'techCommitteeCollective'),
modifiedtests/src/xcm/xcmOpal.test.tsdiffbeforeafterboth
--- a/tests/src/xcm/xcmOpal.test.ts
+++ b/tests/src/xcm/xcmOpal.test.ts
@@ -31,6 +31,7 @@
 const ASSET_METADATA_DESCRIPTION = 'USDT';
 const ASSET_METADATA_MINIMAL_BALANCE = 1n;
 
+const RELAY_DECIMALS = 12;
 const WESTMINT_DECIMALS = 12;
 
 const TRANSFER_AMOUNT = 1_000_000_000_000_000_000n;
@@ -147,9 +148,8 @@
       };
 
       const feeAssetItem = 0;
-      const weightLimit = 5_000_000_000;
 
-      await helper.xcm.limitedReserveTransferAssets(alice, destination, beneficiary, assets, feeAssetItem, weightLimit);
+      await helper.xcm.limitedReserveTransferAssets(alice, destination, beneficiary, assets, feeAssetItem, 'Unlimited');
     });
 
   });
@@ -202,16 +202,15 @@
       };
 
       const feeAssetItem = 0;
-      const weightLimit = 5000000000;
 
       balanceStmnBefore = await helper.balance.getSubstrate(alice.address);
-      await helper.xcm.limitedReserveTransferAssets(alice, dest, beneficiary, assets, feeAssetItem, weightLimit);
+      await helper.xcm.limitedReserveTransferAssets(alice, dest, beneficiary, assets, feeAssetItem, 'Unlimited');
 
       balanceStmnAfter = await helper.balance.getSubstrate(alice.address);
 
       // common good parachain take commission in it native token
       console.log(
-        'Opal to Westmint transaction fees on Westmint: %s WND',
+        '[Westmint -> Opal] transaction fees on Westmint: %s WND',
         helper.util.bigIntToDecimals(balanceStmnBefore - balanceStmnAfter, WESTMINT_DECIMALS),
       );
       expect(balanceStmnBefore > balanceStmnAfter).to.be.true;
@@ -227,18 +226,19 @@
 
     balanceOpalAfter = await helper.balance.getSubstrate(alice.address);
 
-    // commission has not paid in USDT token
-    expect(free == TRANSFER_AMOUNT).to.be.true;
     console.log(
-      'Opal to Westmint transaction fees on Opal: %s USDT',
-      helper.util.bigIntToDecimals(TRANSFER_AMOUNT - free),
+      '[Westmint -> Opal] transaction fees on Opal: %s USDT',
+      helper.util.bigIntToDecimals(TRANSFER_AMOUNT - free, ASSET_METADATA_DECIMALS),
     );
-    // ... and parachain native token
-    expect(balanceOpalAfter == balanceOpalBefore).to.be.true;
     console.log(
-      'Opal to Westmint transaction fees on Opal: %s WND',
-      helper.util.bigIntToDecimals(balanceOpalAfter - balanceOpalBefore, WESTMINT_DECIMALS),
+      '[Westmint -> Opal] transaction fees on Opal: %s OPL',
+      helper.util.bigIntToDecimals(balanceOpalAfter - balanceOpalBefore),
     );
+
+    // commission has not paid in USDT token
+    expect(free == TRANSFER_AMOUNT).to.be.true;
+    // ... and parachain native token
+    expect(balanceOpalAfter == balanceOpalBefore).to.be.true;
   });
 
   itSub('Should connect and send USDT from Unique to Statemine back', async ({helper}) => {
@@ -276,9 +276,8 @@
     ];
 
     const feeItem = 1;
-    const destWeight = 500000000000;
 
-    await helper.xTokens.transferMulticurrencies(alice, currencies, feeItem, destination, destWeight);
+    await helper.xTokens.transferMulticurrencies(alice, currencies, feeItem, destination, 'Unlimited');
 
     // the commission has been paid in parachain native token
     balanceOpalFinal = await helper.balance.getSubstrate(alice.address);
@@ -339,9 +338,8 @@
       };
 
       const feeAssetItem = 0;
-      const weightLimit = 5_000_000_000;
 
-      await helper.xcm.limitedReserveTransferAssets(bob, destination, beneficiary, assets, feeAssetItem, weightLimit);
+      await helper.xcm.limitedReserveTransferAssets(bob, destination, beneficiary, assets, feeAssetItem, 'Unlimited');
     });
 
     await helper.wait.newBlocks(3);
@@ -363,20 +361,23 @@
   });
 
   itSub('Should connect and send Relay token back', async ({helper}) => {
+    let relayTokenBalanceBefore: bigint;
+    let relayTokenBalanceAfter: bigint;
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      relayTokenBalanceBefore = await helper.balance.getSubstrate(bob.address);
+    });
+
     const destination = {
       V1: {
         parents: 1,
-        interior: {X2: [
-          {
-            Parachain: STATEMINE_CHAIN,
-          },
-          {
+        interior: {
+          X1:{
             AccountId32: {
               network: 'Any',
               id: bob.addressRaw,
             },
           },
-        ]},
+        },
       },
     };
 
@@ -390,11 +391,19 @@
     ];
 
     const feeItem = 0;
-    const destWeight = 500000000000;
 
-    await helper.xTokens.transferMulticurrencies(bob, currencies, feeItem, destination, destWeight);
+    await helper.xTokens.transferMulticurrencies(bob, currencies, feeItem, destination, 'Unlimited');
 
     balanceBobFinal = await helper.balance.getSubstrate(bob.address);
-    console.log('Relay (Westend) to Opal transaction fees: %s OPL', balanceBobAfter - balanceBobFinal);
+    console.log('[Opal -> Relay (Westend)] transaction fees: %s OPL',  helper.util.bigIntToDecimals(balanceBobAfter - balanceBobFinal));
+
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      await helper.wait.newBlocks(10);
+      relayTokenBalanceAfter = await helper.balance.getSubstrate(bob.address);
+
+      const diff = relayTokenBalanceAfter - relayTokenBalanceBefore;
+      console.log('[Opal -> Relay (Westend)] actually delivered: %s WND', helper.util.bigIntToDecimals(diff, RELAY_DECIMALS));
+      expect(diff > 0, 'Relay tokens was not delivered back').to.be.true;
+    });
   });
 });
modifiedtests/src/xcm/xcmQuartz.test.tsdiffbeforeafterboth
--- a/tests/src/xcm/xcmQuartz.test.ts
+++ b/tests/src/xcm/xcmQuartz.test.ts
@@ -17,21 +17,430 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {blake2AsHex} from '@polkadot/util-crypto';
 import config from '../config';
-import {XcmV2TraitsOutcome, XcmV2TraitsError} from '../interfaces';
-import {itSub, expect, describeXCM, usingPlaygrounds, usingKaruraPlaygrounds, usingRelayPlaygrounds, usingMoonriverPlaygrounds} from '../util';
+import {XcmV2TraitsError} from '../interfaces';
+import {itSub, expect, describeXCM, usingPlaygrounds, usingKaruraPlaygrounds, usingRelayPlaygrounds, usingMoonriverPlaygrounds, usingStateminePlaygrounds} from '../util';
 
 const QUARTZ_CHAIN = 2095;
+const STATEMINE_CHAIN = 1000;
 const KARURA_CHAIN = 2000;
 const MOONRIVER_CHAIN = 2023;
 
+const STATEMINE_PALLET_INSTANCE = 50;
+
 const relayUrl = config.relayUrl;
+const statemineUrl = config.statemineUrl;
 const karuraUrl = config.karuraUrl;
 const moonriverUrl = config.moonriverUrl;
 
+const RELAY_DECIMALS = 12;
+const STATEMINE_DECIMALS = 12;
 const KARURA_DECIMALS = 12;
 
 const TRANSFER_AMOUNT = 2000000000000000000000000n;
 
+const FUNDING_AMOUNT = 3_500_000_0000_000_000n; 
+
+const TRANSFER_AMOUNT_RELAY = 50_000_000_000_000_000n;
+
+const USDT_ASSET_ID = 100;
+const USDT_ASSET_METADATA_DECIMALS = 18;
+const USDT_ASSET_METADATA_NAME = 'USDT';
+const USDT_ASSET_METADATA_DESCRIPTION = 'USDT';
+const USDT_ASSET_METADATA_MINIMAL_BALANCE = 1n;
+const USDT_ASSET_AMOUNT = 10_000_000_000_000_000_000_000_000n;
+
+describeXCM('[XCM] Integration test: Exchanging USDT with Statemine', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+  
+  let balanceStmnBefore: bigint;
+  let balanceStmnAfter: bigint;
+
+  let balanceQuartzBefore: bigint;
+  let balanceQuartzAfter: bigint;
+  let balanceQuartzFinal: bigint;
+
+  let balanceBobBefore: bigint;
+  let balanceBobAfter: bigint;
+  let balanceBobFinal: bigint;
+
+  let balanceBobRelayTokenBefore: bigint;
+  let balanceBobRelayTokenAfter: bigint;
+
+
+  before(async () => {
+    await usingPlaygrounds(async (_helper, privateKey) => {
+      alice = await privateKey('//Alice');
+      bob = await privateKey('//Bob'); // sovereign account on Statemine(t) funds donor
+    });
+
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      // Fund accounts on Statemine(t)
+      await helper.xcm.teleportNativeAsset(alice, STATEMINE_CHAIN, alice.addressRaw, FUNDING_AMOUNT);
+      await helper.xcm.teleportNativeAsset(alice, STATEMINE_CHAIN, bob.addressRaw, FUNDING_AMOUNT);
+    });
+
+    await usingStateminePlaygrounds(statemineUrl, async (helper) => {
+      const sovereignFundingAmount = 3_500_000_000n; 
+
+      await helper.assets.create(
+        alice,
+        USDT_ASSET_ID,
+        alice.address,
+        USDT_ASSET_METADATA_MINIMAL_BALANCE,
+      );
+      await helper.assets.setMetadata(
+        alice,
+        USDT_ASSET_ID,
+        USDT_ASSET_METADATA_NAME,
+        USDT_ASSET_METADATA_DESCRIPTION,
+        USDT_ASSET_METADATA_DECIMALS,
+      );
+      await helper.assets.mint(
+        alice,
+        USDT_ASSET_ID,
+        alice.address,
+        USDT_ASSET_AMOUNT,
+      );
+
+      // funding parachain sovereing account on Statemine(t).
+      // The sovereign account should be created before any action
+      // (the assets pallet on Statemine(t) check if the sovereign account exists)
+      const parachainSovereingAccount = helper.address.paraSiblingSovereignAccount(QUARTZ_CHAIN);
+      await helper.balance.transferToSubstrate(bob, parachainSovereingAccount, sovereignFundingAmount);
+    });
+
+
+    await usingPlaygrounds(async (helper) => {
+      const location = {
+        V1: {
+          parents: 1,
+          interior: {X3: [
+            {
+              Parachain: STATEMINE_CHAIN,
+            },
+            {
+              PalletInstance: STATEMINE_PALLET_INSTANCE,
+            },
+            {
+              GeneralIndex: USDT_ASSET_ID,
+            },
+          ]},
+        },
+      };
+
+      const metadata =
+      {
+        name: USDT_ASSET_ID,
+        symbol: USDT_ASSET_METADATA_NAME,
+        decimals: USDT_ASSET_METADATA_DECIMALS,
+        minimalBalance: USDT_ASSET_METADATA_MINIMAL_BALANCE,
+      };
+      await helper.getSudo().foreignAssets.register(alice, alice.address, location, metadata);
+      balanceQuartzBefore = await helper.balance.getSubstrate(alice.address);
+    });
+
+
+    // Providing the relay currency to the quartz sender account
+    // (fee for USDT XCM are paid in relay tokens)
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      const destination = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            Parachain: QUARTZ_CHAIN,
+          },
+          },
+        }};
+
+      const beneficiary = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            AccountId32: {
+              network: 'Any',
+              id: alice.addressRaw,
+            },
+          }},
+        },
+      };
+
+      const assets = {
+        V1: [
+          {
+            id: {
+              Concrete: {
+                parents: 0,
+                interior: 'Here',
+              },
+            },
+            fun: {
+              Fungible: TRANSFER_AMOUNT_RELAY,
+            },
+          },
+        ],
+      };
+
+      const feeAssetItem = 0;
+
+      await helper.xcm.limitedReserveTransferAssets(alice, destination, beneficiary, assets, feeAssetItem, 'Unlimited');
+    });
+  
+  });
+
+  itSub('Should connect and send USDT from Statemine to Quartz', async ({helper}) => {
+    await usingStateminePlaygrounds(statemineUrl, async (helper) => {
+      const dest = {
+        V1: {
+          parents: 1,
+          interior: {X1: {
+            Parachain: QUARTZ_CHAIN,
+          },
+          },
+        }};
+
+      const beneficiary = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            AccountId32: {
+              network: 'Any',
+              id: alice.addressRaw,
+            },
+          }},
+        },
+      };
+
+      const assets = {
+        V1: [
+          {
+            id: {
+              Concrete: {
+                parents: 0,
+                interior: {
+                  X2: [
+                    {
+                      PalletInstance: STATEMINE_PALLET_INSTANCE,
+                    },
+                    {
+                      GeneralIndex: USDT_ASSET_ID,
+                    }, 
+                  ]},
+              },
+            },
+            fun: {
+              Fungible: TRANSFER_AMOUNT,
+            },
+          },
+        ],
+      };
+
+      const feeAssetItem = 0;
+
+      balanceStmnBefore = await helper.balance.getSubstrate(alice.address);
+      await helper.xcm.limitedReserveTransferAssets(alice, dest, beneficiary, assets, feeAssetItem, 'Unlimited');
+
+      balanceStmnAfter = await helper.balance.getSubstrate(alice.address);
+
+      // common good parachain take commission in it native token
+      console.log(
+        '[Statemine -> Quartz] transaction fees on Statemine: %s WND',
+        helper.util.bigIntToDecimals(balanceStmnBefore - balanceStmnAfter, STATEMINE_DECIMALS),
+      );
+      expect(balanceStmnBefore > balanceStmnAfter).to.be.true;
+
+    });
+
+
+    // ensure that asset has been delivered
+    await helper.wait.newBlocks(3);
+
+    // expext collection id will be with id 1
+    const free = await helper.ft.getBalance(1, {Substrate: alice.address});
+
+    balanceQuartzAfter = await helper.balance.getSubstrate(alice.address);
+
+    console.log(
+      '[Statemine -> Quartz] transaction fees on Quartz: %s USDT',
+      helper.util.bigIntToDecimals(TRANSFER_AMOUNT - free, USDT_ASSET_METADATA_DECIMALS),
+    );
+    console.log(
+      '[Statemine -> Quartz] transaction fees on Quartz: %s QTZ',
+      helper.util.bigIntToDecimals(balanceQuartzAfter - balanceQuartzBefore),
+    );    
+    // commission has not paid in USDT token
+    expect(free).to.be.equal(TRANSFER_AMOUNT);
+    // ... and parachain native token
+    expect(balanceQuartzAfter == balanceQuartzBefore).to.be.true;
+  });
+
+  itSub('Should connect and send USDT from Quartz to Statemine back', async ({helper}) => {
+    const destination = {
+      V1: {
+        parents: 1,
+        interior: {X2: [
+          {
+            Parachain: STATEMINE_CHAIN,
+          },
+          {
+            AccountId32: {
+              network: 'Any',
+              id: alice.addressRaw,
+            },
+          },
+        ]},
+      },
+    };
+
+    const relayFee = 400_000_000_000_000n;
+    const currencies: [any, bigint][] = [
+      [
+        {
+          ForeignAssetId: 0,
+        },
+        TRANSFER_AMOUNT,
+      ], 
+      [
+        {
+          NativeAssetId: 'Parent',
+        },
+        relayFee,
+      ],
+    ];
+
+    const feeItem = 1;
+
+    await helper.xTokens.transferMulticurrencies(alice, currencies, feeItem, destination, 'Unlimited');
+    
+    // the commission has been paid in parachain native token
+    balanceQuartzFinal = await helper.balance.getSubstrate(alice.address);
+    console.log('[Quartz -> Statemine] transaction fees on Quartz: %s QTZ', helper.util.bigIntToDecimals(balanceQuartzFinal - balanceQuartzAfter));
+    expect(balanceQuartzAfter > balanceQuartzFinal).to.be.true;
+
+    await usingStateminePlaygrounds(statemineUrl, async (helper) => {
+      await helper.wait.newBlocks(3);
+      
+      // The USDT token never paid fees. Its amount not changed from begin value.
+      // Also check that xcm transfer has been succeeded 
+      expect((await helper.assets.account(USDT_ASSET_ID, alice.address))! == USDT_ASSET_AMOUNT).to.be.true;
+    });
+  });
+
+  itSub('Should connect and send Relay token to Quartz', async ({helper}) => {
+    balanceBobBefore = await helper.balance.getSubstrate(bob.address);
+    balanceBobRelayTokenBefore = await helper.tokens.accounts(bob.address, {NativeAssetId: 'Parent'});
+
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      const destination = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            Parachain: QUARTZ_CHAIN,
+          },
+          },
+        }};
+
+      const beneficiary = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            AccountId32: {
+              network: 'Any',
+              id: bob.addressRaw,
+            },
+          }},
+        },
+      };
+
+      const assets = {
+        V1: [
+          {
+            id: {
+              Concrete: {
+                parents: 0,
+                interior: 'Here',
+              },
+            },
+            fun: {
+              Fungible: TRANSFER_AMOUNT_RELAY,
+            },
+          },
+        ],
+      };
+
+      const feeAssetItem = 0;
+
+      await helper.xcm.limitedReserveTransferAssets(bob, destination, beneficiary, assets, feeAssetItem, 'Unlimited');
+    });
+  
+    await helper.wait.newBlocks(3);
+
+    balanceBobAfter = await helper.balance.getSubstrate(bob.address);  
+    balanceBobRelayTokenAfter = await helper.tokens.accounts(bob.address, {NativeAssetId: 'Parent'});
+
+    const wndFeeOnQuartz = balanceBobRelayTokenAfter - TRANSFER_AMOUNT_RELAY - balanceBobRelayTokenBefore;
+    const wndDiffOnQuartz = balanceBobRelayTokenAfter - balanceBobRelayTokenBefore;
+    console.log(
+      '[Relay (Westend) -> Quartz] transaction fees: %s QTZ',
+      helper.util.bigIntToDecimals(balanceBobAfter - balanceBobBefore),
+    );
+    console.log(
+      '[Relay (Westend) -> Quartz] transaction fees: %s WND',
+      helper.util.bigIntToDecimals(wndFeeOnQuartz, STATEMINE_DECIMALS),
+    );
+    console.log('[Relay (Westend) -> Quartz] actually delivered: %s WND', wndDiffOnQuartz);
+    expect(wndFeeOnQuartz == 0n, 'No incoming WND fees should be taken').to.be.true;
+    expect(balanceBobBefore == balanceBobAfter, 'No incoming QTZ fees should be taken').to.be.true;
+  });
+
+  itSub('Should connect and send Relay token back', async ({helper}) => {
+    let relayTokenBalanceBefore: bigint;
+    let relayTokenBalanceAfter: bigint;
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      relayTokenBalanceBefore = await helper.balance.getSubstrate(bob.address);
+    });
+
+    const destination = {
+      V1: {
+        parents: 1,
+        interior: {
+          X1:{
+            AccountId32: {
+              network: 'Any',
+              id: bob.addressRaw,
+            },
+          },
+        },
+      },
+    };
+
+    const currencies: any = [
+      [
+        {
+          NativeAssetId: 'Parent',
+        },
+        TRANSFER_AMOUNT_RELAY,
+      ],
+    ];
+
+    const feeItem = 0;
+
+    await helper.xTokens.transferMulticurrencies(bob, currencies, feeItem, destination, 'Unlimited');
+
+    balanceBobFinal = await helper.balance.getSubstrate(bob.address);
+    console.log('[Quartz -> Relay (Westend)] transaction fees: %s QTZ',  helper.util.bigIntToDecimals(balanceBobAfter - balanceBobFinal));
+
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      await helper.wait.newBlocks(10);
+      relayTokenBalanceAfter = await helper.balance.getSubstrate(bob.address);
+
+      const diff = relayTokenBalanceAfter - relayTokenBalanceBefore;
+      console.log('[Quartz -> Relay (Westend)] actually delivered: %s WND', helper.util.bigIntToDecimals(diff, RELAY_DECIMALS));
+      expect(diff > 0, 'Relay tokens was not delivered back').to.be.true;
+    });
+  });
+});
+
 describeXCM('[XCM] Integration test: Exchanging tokens with Karura', () => {
   let alice: IKeyringPair;
   let randomAccount: IKeyringPair;
@@ -123,14 +532,13 @@
     };
 
     const feeAssetItem = 0;
-    const weightLimit = 5000000000;
 
-    await helper.xcm.limitedReserveTransferAssets(randomAccount, destination, beneficiary, assets, feeAssetItem, weightLimit);
+    await helper.xcm.limitedReserveTransferAssets(randomAccount, destination, beneficiary, assets, feeAssetItem, 'Unlimited');
     balanceQuartzTokenMiddle = await helper.balance.getSubstrate(randomAccount.address);
 
     const qtzFees = balanceQuartzTokenInit - balanceQuartzTokenMiddle - TRANSFER_AMOUNT;
+    expect(qtzFees > 0n, 'Negative fees QTZ, looks like nothing was transferred').to.be.true;
     console.log('[Quartz -> Karura] transaction fees on Quartz: %s QTZ', helper.util.bigIntToDecimals(qtzFees));
-    expect(qtzFees > 0n).to.be.true;
 
     await usingKaruraPlaygrounds(karuraUrl, async (helper) => {
       await helper.wait.newBlocks(3);
@@ -173,9 +581,7 @@
         ForeignAsset: 0,
       };
 
-      const destWeight = 50000000;
-
-      await helper.xTokens.transfer(randomAccount, id, TRANSFER_AMOUNT, destination, destWeight);
+      await helper.xTokens.transfer(randomAccount, id, TRANSFER_AMOUNT, destination, 'Unlimited');
       balanceKaruraTokenFinal = await helper.balance.getSubstrate(randomAccount.address);
       balanceQuartzForeignTokenFinal = await helper.tokens.accounts(randomAccount.address, id);
 
@@ -188,7 +594,7 @@
       );
       console.log('[Karura -> Quartz] outcome %s QTZ', helper.util.bigIntToDecimals(qtzOutcomeTransfer));
 
-      expect(karFees > 0).to.be.true;
+      expect(karFees > 0, 'Negative fees KAR, looks like nothing was transferred').to.be.true;
       expect(qtzOutcomeTransfer == TRANSFER_AMOUNT).to.be.true;
     });
 
@@ -215,76 +621,7 @@
       alice = await privateKey('//Alice');
     });
   });
-
-  itSub('Quartz rejects tokens from the Relay', async ({helper}) => {
-    await usingRelayPlaygrounds(relayUrl, async (helper) => {
-      const destination = {
-        V1: {
-          parents: 0,
-          interior: {X1: {
-            Parachain: QUARTZ_CHAIN,
-          },
-          },
-        }};
-
-      const beneficiary = {
-        V1: {
-          parents: 0,
-          interior: {X1: {
-            AccountId32: {
-              network: 'Any',
-              id: alice.addressRaw,
-            },
-          }},
-        },
-      };
-
-      const assets = {
-        V1: [
-          {
-            id: {
-              Concrete: {
-                parents: 0,
-                interior: 'Here',
-              },
-            },
-            fun: {
-              Fungible: 50_000_000_000_000_000n,
-            },
-          },
-        ],
-      };
-
-      const feeAssetItem = 0;
-      const weightLimit = 5_000_000_000;
-
-      await helper.xcm.limitedReserveTransferAssets(alice, destination, beneficiary, assets, feeAssetItem, weightLimit);
-    });
 
-    const maxWaitBlocks = 3;
-
-    const dmpQueueExecutedDownward = await helper.wait.event(maxWaitBlocks, 'dmpQueue', 'ExecutedDownward');
-
-    expect(
-      dmpQueueExecutedDownward != null,
-      '[Relay] dmpQueue.ExecutedDownward event is expected',
-    ).to.be.true;
-
-    const event = dmpQueueExecutedDownward!.event;
-    const outcome = event.data[1] as XcmV2TraitsOutcome;
-
-    expect(
-      outcome.isIncomplete,
-      '[Relay] The outcome of the XCM should be `Incomplete`',
-    ).to.be.true;
-
-    const incomplete = outcome.asIncomplete;
-    expect(
-      incomplete[1].toString() == 'AssetNotFound',
-      '[Relay] The XCM error should be `AssetNotFound`',
-    ).to.be.true;
-  });
-
   itSub('Quartz rejects KAR tokens from Karura', async ({helper}) => {
     await usingKaruraPlaygrounds(karuraUrl, async (helper) => {
       const destination = {
@@ -308,9 +645,7 @@
         Token: 'KAR',
       };
 
-      const destWeight = 50000000;
-
-      await helper.xTokens.transfer(alice, id, 100_000_000_000n, destination, destWeight);
+      await helper.xTokens.transfer(alice, id, 100_000_000_000n, destination, 'Unlimited');
     });
 
     const maxWaitBlocks = 3;
@@ -326,8 +661,8 @@
     const outcome = event.data[1] as XcmV2TraitsError;
 
     expect(
-      outcome.isUntrustedReserveLocation,
-      '[Karura] The XCM error should be `UntrustedReserveLocation`',
+      outcome.isFailedToTransactAsset,
+      '[Karura] The XCM error should be `FailedToTransactAsset`',
     ).to.be.true;
   });
 });
@@ -420,7 +755,7 @@
 
       // >>> Propose external motion through council >>>
       console.log('Propose external motion through council.......');
-      const externalMotion = helper.democracy.externalProposeMajority(proposalHash);
+      const externalMotion = helper.democracy.externalProposeMajority({Legacy: proposalHash});
       const encodedMotion = externalMotion?.method.toHex() || '';
       const motionHash = blake2AsHex(encodedMotion);
       console.log('Motion hash is %s', motionHash);
@@ -431,7 +766,16 @@
       await helper.collective.council.vote(dorothyAccount, motionHash, councilProposalIdx, true);
       await helper.collective.council.vote(baltatharAccount, motionHash, councilProposalIdx, true);
 
-      await helper.collective.council.close(dorothyAccount, motionHash, councilProposalIdx, 1_000_000_000, externalMotion.encodedLength);
+      await helper.collective.council.close(
+        dorothyAccount,
+        motionHash,
+        councilProposalIdx,
+        {
+          refTime: 1_000_000_000,
+          proofSize: 1_000_000,
+        },
+        externalMotion.encodedLength,
+      );
       console.log('Propose external motion through council.......DONE');
       // <<< Propose external motion through council <<<
 
@@ -448,7 +792,16 @@
       await helper.collective.techCommittee.vote(baltatharAccount, fastTrackHash, techProposalIdx, true);
       await helper.collective.techCommittee.vote(alithAccount, fastTrackHash, techProposalIdx, true);
 
-      await helper.collective.techCommittee.close(baltatharAccount, fastTrackHash, techProposalIdx, 1_000_000_000, fastTrack.encodedLength);
+      await helper.collective.techCommittee.close(
+        baltatharAccount,
+        fastTrackHash,
+        techProposalIdx,
+        {
+          refTime: 1_000_000_000,
+          proofSize: 1_000_000,
+        },
+        fastTrack.encodedLength,
+      );
       console.log('Fast track proposal through technical committee.......DONE');
       // <<< Fast track proposal through technical committee <<<
 
@@ -504,16 +857,15 @@
       },
     };
     const amount = TRANSFER_AMOUNT;
-    const destWeight = 850000000;
 
-    await helper.xTokens.transfer(randomAccountQuartz, currencyId, amount, dest, destWeight);
+    await helper.xTokens.transfer(randomAccountQuartz, currencyId, amount, dest, 'Unlimited');
 
     balanceQuartzTokenMiddle = await helper.balance.getSubstrate(randomAccountQuartz.address);
     expect(balanceQuartzTokenMiddle < balanceQuartzTokenInit).to.be.true;
 
     const transactionFees = balanceQuartzTokenInit - balanceQuartzTokenMiddle - TRANSFER_AMOUNT;
     console.log('[Quartz -> Moonriver] transaction fees on Quartz: %s QTZ', helper.util.bigIntToDecimals(transactionFees));
-    expect(transactionFees > 0).to.be.true;
+    expect(transactionFees > 0, 'Negative fees QTZ, looks like nothing was transferred').to.be.true;
 
     await usingMoonriverPlaygrounds(moonriverUrl, async (helper) => {
       await helper.wait.newBlocks(3);
@@ -559,15 +911,14 @@
           },
         },
       };
-      const destWeight = 50000000;
 
-      await helper.xTokens.transferMultiasset(randomAccountMoonriver, asset, destination, destWeight);
+      await helper.xTokens.transferMultiasset(randomAccountMoonriver, asset, destination, 'Unlimited');
 
       balanceMovrTokenFinal = await helper.balance.getEthereum(randomAccountMoonriver.address);
 
       const movrFees = balanceMovrTokenMiddle - balanceMovrTokenFinal;
       console.log('[Moonriver -> Quartz] transaction fees on Moonriver: %s MOVR', helper.util.bigIntToDecimals(movrFees));
-      expect(movrFees > 0).to.be.true;
+      expect(movrFees > 0, 'Negative fees MOVR, looks like nothing was transferred').to.be.true;
 
       const qtzRandomAccountAsset = await helper.assets.account(assetId, randomAccountMoonriver.address);
 
modifiedtests/src/xcm/xcmUnique.test.tsdiffbeforeafterboth
--- a/tests/src/xcm/xcmUnique.test.ts
+++ b/tests/src/xcm/xcmUnique.test.ts
@@ -17,21 +17,430 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {blake2AsHex} from '@polkadot/util-crypto';
 import config from '../config';
-import {XcmV2TraitsError, XcmV2TraitsOutcome} from '../interfaces';
-import {itSub, expect, describeXCM, usingPlaygrounds, usingAcalaPlaygrounds, usingRelayPlaygrounds, usingMoonbeamPlaygrounds} from '../util';
+import {XcmV2TraitsError} from '../interfaces';
+import {itSub, expect, describeXCM, usingPlaygrounds, usingAcalaPlaygrounds, usingRelayPlaygrounds, usingMoonbeamPlaygrounds, usingStatemintPlaygrounds} from '../util';
 
 const UNIQUE_CHAIN = 2037;
+const STATEMINT_CHAIN = 1000;
 const ACALA_CHAIN = 2000;
 const MOONBEAM_CHAIN = 2004;
 
+const STATEMINT_PALLET_INSTANCE = 50;
+
 const relayUrl = config.relayUrl;
+const statemintUrl = config.statemintUrl;
 const acalaUrl = config.acalaUrl;
 const moonbeamUrl = config.moonbeamUrl;
 
+const RELAY_DECIMALS = 12;
+const STATEMINT_DECIMALS = 12;
 const ACALA_DECIMALS = 12;
 
 const TRANSFER_AMOUNT = 2000000000000000000000000n;
 
+const FUNDING_AMOUNT = 3_500_000_0000_000_000n; 
+
+const TRANSFER_AMOUNT_RELAY = 50_000_000_000_000_000n;
+
+const USDT_ASSET_ID = 100;
+const USDT_ASSET_METADATA_DECIMALS = 18;
+const USDT_ASSET_METADATA_NAME = 'USDT';
+const USDT_ASSET_METADATA_DESCRIPTION = 'USDT';
+const USDT_ASSET_METADATA_MINIMAL_BALANCE = 1n;
+const USDT_ASSET_AMOUNT = 10_000_000_000_000_000_000_000_000n;
+
+describeXCM('[XCM] Integration test: Exchanging USDT with Statemint', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+  
+  let balanceStmnBefore: bigint;
+  let balanceStmnAfter: bigint;
+
+  let balanceUniqueBefore: bigint;
+  let balanceUniqueAfter: bigint;
+  let balanceUniqueFinal: bigint;
+
+  let balanceBobBefore: bigint;
+  let balanceBobAfter: bigint;
+  let balanceBobFinal: bigint;
+
+  let balanceBobRelayTokenBefore: bigint;
+  let balanceBobRelayTokenAfter: bigint;
+
+
+  before(async () => {
+    await usingPlaygrounds(async (_helper, privateKey) => {
+      alice = await privateKey('//Alice');
+      bob = await privateKey('//Bob'); // sovereign account on Statemint funds donor
+    });
+
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      // Fund accounts on Statemint
+      await helper.xcm.teleportNativeAsset(alice, STATEMINT_CHAIN, alice.addressRaw, FUNDING_AMOUNT);
+      await helper.xcm.teleportNativeAsset(alice, STATEMINT_CHAIN, bob.addressRaw, FUNDING_AMOUNT);
+    });
+
+    await usingStatemintPlaygrounds(statemintUrl, async (helper) => {
+      const sovereignFundingAmount = 3_500_000_000n; 
+
+      await helper.assets.create(
+        alice,
+        USDT_ASSET_ID,
+        alice.address,
+        USDT_ASSET_METADATA_MINIMAL_BALANCE,
+      );
+      await helper.assets.setMetadata(
+        alice,
+        USDT_ASSET_ID,
+        USDT_ASSET_METADATA_NAME,
+        USDT_ASSET_METADATA_DESCRIPTION,
+        USDT_ASSET_METADATA_DECIMALS,
+      );
+      await helper.assets.mint(
+        alice,
+        USDT_ASSET_ID,
+        alice.address,
+        USDT_ASSET_AMOUNT,
+      );
+
+      // funding parachain sovereing account on Statemint.
+      // The sovereign account should be created before any action
+      // (the assets pallet on Statemint check if the sovereign account exists)
+      const parachainSovereingAccount = helper.address.paraSiblingSovereignAccount(UNIQUE_CHAIN);
+      await helper.balance.transferToSubstrate(bob, parachainSovereingAccount, sovereignFundingAmount);
+    });
+
+
+    await usingPlaygrounds(async (helper) => {
+      const location = {
+        V1: {
+          parents: 1,
+          interior: {X3: [
+            {
+              Parachain: STATEMINT_CHAIN,
+            },
+            {
+              PalletInstance: STATEMINT_PALLET_INSTANCE,
+            },
+            {
+              GeneralIndex: USDT_ASSET_ID,
+            },
+          ]},
+        },
+      };
+
+      const metadata =
+      {
+        name: USDT_ASSET_ID,
+        symbol: USDT_ASSET_METADATA_NAME,
+        decimals: USDT_ASSET_METADATA_DECIMALS,
+        minimalBalance: USDT_ASSET_METADATA_MINIMAL_BALANCE,
+      };
+      await helper.getSudo().foreignAssets.register(alice, alice.address, location, metadata);
+      balanceUniqueBefore = await helper.balance.getSubstrate(alice.address);
+    });
+
+
+    // Providing the relay currency to the unique sender account
+    // (fee for USDT XCM are paid in relay tokens)
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      const destination = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            Parachain: UNIQUE_CHAIN,
+          },
+          },
+        }};
+
+      const beneficiary = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            AccountId32: {
+              network: 'Any',
+              id: alice.addressRaw,
+            },
+          }},
+        },
+      };
+
+      const assets = {
+        V1: [
+          {
+            id: {
+              Concrete: {
+                parents: 0,
+                interior: 'Here',
+              },
+            },
+            fun: {
+              Fungible: TRANSFER_AMOUNT_RELAY,
+            },
+          },
+        ],
+      };
+
+      const feeAssetItem = 0;
+
+      await helper.xcm.limitedReserveTransferAssets(alice, destination, beneficiary, assets, feeAssetItem, 'Unlimited');
+    });
+  
+  });
+
+  itSub('Should connect and send USDT from Statemint to Unique', async ({helper}) => {
+    await usingStatemintPlaygrounds(statemintUrl, async (helper) => {
+      const dest = {
+        V1: {
+          parents: 1,
+          interior: {X1: {
+            Parachain: UNIQUE_CHAIN,
+          },
+          },
+        }};
+
+      const beneficiary = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            AccountId32: {
+              network: 'Any',
+              id: alice.addressRaw,
+            },
+          }},
+        },
+      };
+
+      const assets = {
+        V1: [
+          {
+            id: {
+              Concrete: {
+                parents: 0,
+                interior: {
+                  X2: [
+                    {
+                      PalletInstance: STATEMINT_PALLET_INSTANCE,
+                    },
+                    {
+                      GeneralIndex: USDT_ASSET_ID,
+                    }, 
+                  ]},
+              },
+            },
+            fun: {
+              Fungible: TRANSFER_AMOUNT,
+            },
+          },
+        ],
+      };
+
+      const feeAssetItem = 0;
+
+      balanceStmnBefore = await helper.balance.getSubstrate(alice.address);
+      await helper.xcm.limitedReserveTransferAssets(alice, dest, beneficiary, assets, feeAssetItem, 'Unlimited');
+
+      balanceStmnAfter = await helper.balance.getSubstrate(alice.address);
+
+      // common good parachain take commission in it native token
+      console.log(
+        '[Statemint -> Unique] transaction fees on Statemint: %s WND',
+        helper.util.bigIntToDecimals(balanceStmnBefore - balanceStmnAfter, STATEMINT_DECIMALS),
+      );
+      expect(balanceStmnBefore > balanceStmnAfter).to.be.true;
+
+    });
+
+
+    // ensure that asset has been delivered
+    await helper.wait.newBlocks(3);
+
+    // expext collection id will be with id 1
+    const free = await helper.ft.getBalance(1, {Substrate: alice.address});
+
+    balanceUniqueAfter = await helper.balance.getSubstrate(alice.address);
+
+    console.log(
+      '[Statemint -> Unique] transaction fees on Unique: %s USDT',
+      helper.util.bigIntToDecimals(TRANSFER_AMOUNT - free, USDT_ASSET_METADATA_DECIMALS),
+    );
+    console.log(
+      '[Statemint -> Unique] transaction fees on Unique: %s UNQ',
+      helper.util.bigIntToDecimals(balanceUniqueAfter - balanceUniqueBefore),
+    );    
+    // commission has not paid in USDT token
+    expect(free).to.be.equal(TRANSFER_AMOUNT);
+    // ... and parachain native token
+    expect(balanceUniqueAfter == balanceUniqueBefore).to.be.true;
+  });
+
+  itSub('Should connect and send USDT from Unique to Statemint back', async ({helper}) => {
+    const destination = {
+      V1: {
+        parents: 1,
+        interior: {X2: [
+          {
+            Parachain: STATEMINT_CHAIN,
+          },
+          {
+            AccountId32: {
+              network: 'Any',
+              id: alice.addressRaw,
+            },
+          },
+        ]},
+      },
+    };
+
+    const relayFee = 400_000_000_000_000n;
+    const currencies: [any, bigint][] = [
+      [
+        {
+          ForeignAssetId: 0,
+        },
+        TRANSFER_AMOUNT,
+      ], 
+      [
+        {
+          NativeAssetId: 'Parent',
+        },
+        relayFee,
+      ],
+    ];
+
+    const feeItem = 1;
+
+    await helper.xTokens.transferMulticurrencies(alice, currencies, feeItem, destination, 'Unlimited');
+    
+    // the commission has been paid in parachain native token
+    balanceUniqueFinal = await helper.balance.getSubstrate(alice.address);
+    console.log('[Unique -> Statemint] transaction fees on Unique: %s UNQ', helper.util.bigIntToDecimals(balanceUniqueFinal - balanceUniqueAfter));
+    expect(balanceUniqueAfter > balanceUniqueFinal).to.be.true;
+
+    await usingStatemintPlaygrounds(statemintUrl, async (helper) => {
+      await helper.wait.newBlocks(3);
+      
+      // The USDT token never paid fees. Its amount not changed from begin value.
+      // Also check that xcm transfer has been succeeded 
+      expect((await helper.assets.account(USDT_ASSET_ID, alice.address))! == USDT_ASSET_AMOUNT).to.be.true;
+    });
+  });
+
+  itSub('Should connect and send Relay token to Unique', async ({helper}) => {
+    balanceBobBefore = await helper.balance.getSubstrate(bob.address);
+    balanceBobRelayTokenBefore = await helper.tokens.accounts(bob.address, {NativeAssetId: 'Parent'});
+
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      const destination = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            Parachain: UNIQUE_CHAIN,
+          },
+          },
+        }};
+
+      const beneficiary = {
+        V1: {
+          parents: 0,
+          interior: {X1: {
+            AccountId32: {
+              network: 'Any',
+              id: bob.addressRaw,
+            },
+          }},
+        },
+      };
+
+      const assets = {
+        V1: [
+          {
+            id: {
+              Concrete: {
+                parents: 0,
+                interior: 'Here',
+              },
+            },
+            fun: {
+              Fungible: TRANSFER_AMOUNT_RELAY,
+            },
+          },
+        ],
+      };
+
+      const feeAssetItem = 0;
+
+      await helper.xcm.limitedReserveTransferAssets(bob, destination, beneficiary, assets, feeAssetItem, 'Unlimited');
+    });
+  
+    await helper.wait.newBlocks(3);
+
+    balanceBobAfter = await helper.balance.getSubstrate(bob.address);  
+    balanceBobRelayTokenAfter = await helper.tokens.accounts(bob.address, {NativeAssetId: 'Parent'});
+
+    const wndFeeOnUnique = balanceBobRelayTokenAfter - TRANSFER_AMOUNT_RELAY - balanceBobRelayTokenBefore;
+    const wndDiffOnUnique = balanceBobRelayTokenAfter - balanceBobRelayTokenBefore;
+    console.log(
+      '[Relay (Westend) -> Unique] transaction fees: %s UNQ',
+      helper.util.bigIntToDecimals(balanceBobAfter - balanceBobBefore),
+    );
+    console.log(
+      '[Relay (Westend) -> Unique] transaction fees: %s WND',
+      helper.util.bigIntToDecimals(wndFeeOnUnique, STATEMINT_DECIMALS),
+    );
+    console.log('[Relay (Westend) -> Unique] actually delivered: %s WND', wndDiffOnUnique);
+    expect(wndFeeOnUnique == 0n, 'No incoming WND fees should be taken').to.be.true;
+    expect(balanceBobBefore == balanceBobAfter, 'No incoming UNQ fees should be taken').to.be.true;
+  });
+
+  itSub('Should connect and send Relay token back', async ({helper}) => {
+    let relayTokenBalanceBefore: bigint;
+    let relayTokenBalanceAfter: bigint;
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      relayTokenBalanceBefore = await helper.balance.getSubstrate(bob.address);
+    });
+
+    const destination = {
+      V1: {
+        parents: 1,
+        interior: {
+          X1:{
+            AccountId32: {
+              network: 'Any',
+              id: bob.addressRaw,
+            },
+          },
+        },
+      },
+    };
+
+    const currencies: any = [
+      [
+        {
+          NativeAssetId: 'Parent',
+        },
+        TRANSFER_AMOUNT_RELAY,
+      ],
+    ];
+
+    const feeItem = 0;
+
+    await helper.xTokens.transferMulticurrencies(bob, currencies, feeItem, destination, 'Unlimited');
+
+    balanceBobFinal = await helper.balance.getSubstrate(bob.address);
+    console.log('[Unique -> Relay (Westend)] transaction fees: %s UNQ',  helper.util.bigIntToDecimals(balanceBobAfter - balanceBobFinal));
+
+    await usingRelayPlaygrounds(relayUrl, async (helper) => {
+      await helper.wait.newBlocks(10);
+      relayTokenBalanceAfter = await helper.balance.getSubstrate(bob.address);
+
+      const diff = relayTokenBalanceAfter - relayTokenBalanceBefore;
+      console.log('[Unique -> Relay (Westend)] actually delivered: %s WND', helper.util.bigIntToDecimals(diff, RELAY_DECIMALS));
+      expect(diff > 0, 'Relay tokens was not delivered back').to.be.true;
+    });
+  });
+});
+
 describeXCM('[XCM] Integration test: Exchanging tokens with Acala', () => {
   let alice: IKeyringPair;
   let randomAccount: IKeyringPair;
@@ -124,15 +533,13 @@
     };
 
     const feeAssetItem = 0;
-    const weightLimit = 5000000000;
 
-    await helper.xcm.limitedReserveTransferAssets(randomAccount, destination, beneficiary, assets, feeAssetItem, weightLimit);
-
+    await helper.xcm.limitedReserveTransferAssets(randomAccount, destination, beneficiary, assets, feeAssetItem, 'Unlimited');
     balanceUniqueTokenMiddle = await helper.balance.getSubstrate(randomAccount.address);
 
     const unqFees = balanceUniqueTokenInit - balanceUniqueTokenMiddle - TRANSFER_AMOUNT;
     console.log('[Unique -> Acala] transaction fees on Unique: %s UNQ', helper.util.bigIntToDecimals(unqFees));
-    expect(unqFees > 0n).to.be.true;
+    expect(unqFees > 0n, 'Negative fees UNQ, looks like nothing was transferred').to.be.true;
 
     await usingAcalaPlaygrounds(acalaUrl, async (helper) => {
       await helper.wait.newBlocks(3);
@@ -176,10 +583,7 @@
         ForeignAsset: 0,
       };
 
-      const destWeight = 50000000;
-
-      await helper.xTokens.transfer(randomAccount, id, TRANSFER_AMOUNT, destination, destWeight);
-
+      await helper.xTokens.transfer(randomAccount, id, TRANSFER_AMOUNT, destination, 'Unlimited');
       balanceAcalaTokenFinal = await helper.balance.getSubstrate(randomAccount.address);
       balanceUniqueForeignTokenFinal = await helper.tokens.accounts(randomAccount.address, id);
 
@@ -192,7 +596,7 @@
       );
       console.log('[Acala -> Unique] outcome %s UNQ', helper.util.bigIntToDecimals(unqOutcomeTransfer));
 
-      expect(acaFees > 0).to.be.true;
+      expect(acaFees > 0, 'Negative fees ACA, looks like nothing was transferred').to.be.true;
       expect(unqOutcomeTransfer == TRANSFER_AMOUNT).to.be.true;
     });
 
@@ -219,76 +623,7 @@
       alice = await privateKey('//Alice');
     });
   });
-
-  itSub('Unique rejects tokens from the Relay', async ({helper}) => {
-    await usingRelayPlaygrounds(relayUrl, async (helper) => {
-      const destination = {
-        V1: {
-          parents: 0,
-          interior: {X1: {
-            Parachain: UNIQUE_CHAIN,
-          },
-          },
-        }};
 
-      const beneficiary = {
-        V1: {
-          parents: 0,
-          interior: {X1: {
-            AccountId32: {
-              network: 'Any',
-              id: alice.addressRaw,
-            },
-          }},
-        },
-      };
-
-      const assets = {
-        V1: [
-          {
-            id: {
-              Concrete: {
-                parents: 0,
-                interior: 'Here',
-              },
-            },
-            fun: {
-              Fungible: 50_000_000_000_000_000n,
-            },
-          },
-        ],
-      };
-
-      const feeAssetItem = 0;
-      const weightLimit = 5_000_000_000;
-
-      await helper.xcm.limitedReserveTransferAssets(alice, destination, beneficiary, assets, feeAssetItem, weightLimit);
-    });
-
-    const maxWaitBlocks = 3;
-
-    const dmpQueueExecutedDownward = await helper.wait.event(maxWaitBlocks, 'dmpQueue', 'ExecutedDownward');
-
-    expect(
-      dmpQueueExecutedDownward != null,
-      '[Relay] dmpQueue.ExecutedDownward event is expected',
-    ).to.be.true;
-
-    const event = dmpQueueExecutedDownward!.event;
-    const outcome = event.data[1] as XcmV2TraitsOutcome;
-
-    expect(
-      outcome.isIncomplete,
-      '[Relay] The outcome of the XCM should be `Incomplete`',
-    ).to.be.true;
-
-    const incomplete = outcome.asIncomplete;
-    expect(
-      incomplete[1].toString() == 'AssetNotFound',
-      '[Relay] The XCM error should be `AssetNotFound`',
-    ).to.be.true;
-  });
-
   itSub('Unique rejects ACA tokens from Acala', async ({helper}) => {
     await usingAcalaPlaygrounds(acalaUrl, async (helper) => {
       const destination = {
@@ -312,9 +647,7 @@
         Token: 'ACA',
       };
 
-      const destWeight = 50000000;
-
-      await helper.xTokens.transfer(alice, id, 100_000_000_000n, destination, destWeight);
+      await helper.xTokens.transfer(alice, id, 100_000_000_000n, destination, 'Unlimited');
     });
 
     const maxWaitBlocks = 3;
@@ -330,8 +663,8 @@
     const outcome = event.data[1] as XcmV2TraitsError;
 
     expect(
-      outcome.isUntrustedReserveLocation,
-      '[Acala] The XCM error should be `UntrustedReserveLocation`',
+      outcome.isFailedToTransactAsset,
+      '[Acala] The XCM error should be `FailedToTransactAsset`',
     ).to.be.true;
   });
 });
@@ -508,16 +841,15 @@
       },
     };
     const amount = TRANSFER_AMOUNT;
-    const destWeight = 850000000;
 
-    await helper.xTokens.transfer(randomAccountUnique, currencyId, amount, dest, destWeight);
+    await helper.xTokens.transfer(randomAccountUnique, currencyId, amount, dest, 'Unlimited');
 
     balanceUniqueTokenMiddle = await helper.balance.getSubstrate(randomAccountUnique.address);
     expect(balanceUniqueTokenMiddle < balanceUniqueTokenInit).to.be.true;
 
     const transactionFees = balanceUniqueTokenInit - balanceUniqueTokenMiddle - TRANSFER_AMOUNT;
     console.log('[Unique -> Moonbeam] transaction fees on Unique: %s UNQ', helper.util.bigIntToDecimals(transactionFees));
-    expect(transactionFees > 0).to.be.true;
+    expect(transactionFees > 0, 'Negative fees UNQ, looks like nothing was transferred').to.be.true;
 
     await usingMoonbeamPlaygrounds(moonbeamUrl, async (helper) => {
       await helper.wait.newBlocks(3);
@@ -572,7 +904,7 @@
 
       const glmrFees = balanceGlmrTokenMiddle - balanceGlmrTokenFinal;
       console.log('[Moonbeam -> Unique] transaction fees on Moonbeam: %s GLMR', helper.util.bigIntToDecimals(glmrFees));
-      expect(glmrFees > 0).to.be.true;
+      expect(glmrFees > 0, 'Negative fees GLMR, looks like nothing was transferred').to.be.true;
 
       const unqRandomAccountAsset = await helper.assets.account(assetId, randomAccountMoonbeam.address);