git.delta.rocks / unique-network / refs/commits / b42809fc33c7

difftreelog

Merge branch 'feature/refinement_on_named_structures' into develop

Yaroslav Bolyukin2022-12-22parents: #2abdf7d #be088e7.patch.diff
in: master

50 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/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},
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
before · tests/src/eth/api/UniqueNFT.sol
1// SPDX-License-Identifier: OTHER2// This code is automatically generated34pragma solidity >=0.8.0 <0.9.0;56/// @dev common stubs holder7interface Dummy {89}1011interface ERC165 is Dummy {12	function supportsInterface(bytes4 interfaceID) external view returns (bool);13}1415/// @title A contract that allows to set and delete token properties and change token property permissions.16/// @dev the ERC-165 identifier for this interface is 0xde0695c217interface TokenProperties is Dummy, ERC165 {18	// /// @notice Set permissions for token property.19	// /// @dev Throws error if `msg.sender` is not admin or owner of the collection.20	// /// @param key Property key.21	// /// @param isMutable Permission to mutate property.22	// /// @param collectionAdmin Permission to mutate property by collection admin if property is mutable.23	// /// @param tokenOwner Permission to mutate property by token owner if property is mutable.24	// /// @dev EVM selector for this function is: 0x222d97fa,25	// ///  or in textual repr: setTokenPropertyPermission(string,bool,bool,bool)26	// function setTokenPropertyPermission(string memory key, bool isMutable, bool collectionAdmin, bool tokenOwner) external;2728	/// @notice Set permissions for token property.29	/// @dev Throws error if `msg.sender` is not admin or owner of the collection.30	/// @param permissions Permissions for keys.31	/// @dev EVM selector for this function is: 0xbd92983a,32	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])33	function setTokenPropertyPermissions(Tuple53[] memory permissions) external;3435	/// @notice Get permissions for token properties.36	/// @dev EVM selector for this function is: 0xf23d7790,37	///  or in textual repr: tokenPropertyPermissions()38	function tokenPropertyPermissions() external view returns (Tuple53[] memory);3940	// /// @notice Set token property value.41	// /// @dev Throws error if `msg.sender` has no permission to edit the property.42	// /// @param tokenId ID of the token.43	// /// @param key Property key.44	// /// @param value Property value.45	// /// @dev EVM selector for this function is: 0x1752d67b,46	// ///  or in textual repr: setProperty(uint256,string,bytes)47	// function setProperty(uint256 tokenId, string memory key, bytes memory value) external;4849	/// @notice Set token properties value.50	/// @dev Throws error if `msg.sender` has no permission to edit the property.51	/// @param tokenId ID of the token.52	/// @param properties settable properties53	/// @dev EVM selector for this function is: 0x14ed3a6e,54	///  or in textual repr: setProperties(uint256,(string,bytes)[])55	function setProperties(uint256 tokenId, Property[] memory properties) external;5657	// /// @notice Delete token property value.58	// /// @dev Throws error if `msg.sender` has no permission to edit the property.59	// /// @param tokenId ID of the token.60	// /// @param key Property key.61	// /// @dev EVM selector for this function is: 0x066111d1,62	// ///  or in textual repr: deleteProperty(uint256,string)63	// function deleteProperty(uint256 tokenId, string memory key) external;6465	/// @notice Delete token properties value.66	/// @dev Throws error if `msg.sender` has no permission to edit the property.67	/// @param tokenId ID of the token.68	/// @param keys Properties key.69	/// @dev EVM selector for this function is: 0xc472d371,70	///  or in textual repr: deleteProperties(uint256,string[])71	function deleteProperties(uint256 tokenId, string[] memory keys) external;7273	/// @notice Get token property value.74	/// @dev Throws error if key not found75	/// @param tokenId ID of the token.76	/// @param key Property key.77	/// @return Property value bytes78	/// @dev EVM selector for this function is: 0x7228c327,79	///  or in textual repr: property(uint256,string)80	function property(uint256 tokenId, string memory key) external view returns (bytes memory);81}8283/// @dev Property struct84struct Property {85	string key;86	bytes value;87}8889/// @dev Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.90enum EthTokenPermissions {91	/// @dev Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]92	Mutable,93	/// @dev Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]94	TokenOwner,95	/// @dev Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]96	CollectionAdmin97}9899/// @dev anonymous struct100struct Tuple53 {101	string field_0;102	Tuple51[] field_1;103}104105/// @dev anonymous struct106struct Tuple51 {107	EthTokenPermissions field_0;108	bool field_1;109}110111/// @title A contract that allows you to work with collections.112/// @dev the ERC-165 identifier for this interface is 0x81172a75113interface Collection is Dummy, ERC165 {114	// /// Set collection property.115	// ///116	// /// @param key Property key.117	// /// @param value Propery value.118	// /// @dev EVM selector for this function is: 0x2f073f66,119	// ///  or in textual repr: setCollectionProperty(string,bytes)120	// function setCollectionProperty(string memory key, bytes memory value) external;121122	/// Set collection properties.123	///124	/// @param properties Vector of properties key/value pair.125	/// @dev EVM selector for this function is: 0x50b26b2a,126	///  or in textual repr: setCollectionProperties((string,bytes)[])127	function setCollectionProperties(Property[] memory properties) external;128129	// /// Delete collection property.130	// ///131	// /// @param key Property key.132	// /// @dev EVM selector for this function is: 0x7b7debce,133	// ///  or in textual repr: deleteCollectionProperty(string)134	// function deleteCollectionProperty(string memory key) external;135136	/// Delete collection properties.137	///138	/// @param keys Properties keys.139	/// @dev EVM selector for this function is: 0xee206ee3,140	///  or in textual repr: deleteCollectionProperties(string[])141	function deleteCollectionProperties(string[] memory keys) external;142143	/// Get collection property.144	///145	/// @dev Throws error if key not found.146	///147	/// @param key Property key.148	/// @return bytes The property corresponding to the key.149	/// @dev EVM selector for this function is: 0xcf24fd6d,150	///  or in textual repr: collectionProperty(string)151	function collectionProperty(string memory key) external view returns (bytes memory);152153	/// Get collection properties.154	///155	/// @param keys Properties keys. Empty keys for all propertyes.156	/// @return Vector of properties key/value pairs.157	/// @dev EVM selector for this function is: 0x285fb8e6,158	///  or in textual repr: collectionProperties(string[])159	function collectionProperties(string[] memory keys) external view returns (Property[] memory);160161	// /// Set the sponsor of the collection.162	// ///163	// /// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.164	// ///165	// /// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.166	// /// @dev EVM selector for this function is: 0x7623402e,167	// ///  or in textual repr: setCollectionSponsor(address)168	// function setCollectionSponsor(address sponsor) external;169170	/// Set the sponsor of the collection.171	///172	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.173	///174	/// @param sponsor Cross account address of the sponsor from whose account funds will be debited for operations with the contract.175	/// @dev EVM selector for this function is: 0x84a1d5a8,176	///  or in textual repr: setCollectionSponsorCross((address,uint256))177	function setCollectionSponsorCross(EthCrossAccount memory sponsor) external;178179	/// Whether there is a pending sponsor.180	/// @dev EVM selector for this function is: 0x058ac185,181	///  or in textual repr: hasCollectionPendingSponsor()182	function hasCollectionPendingSponsor() external view returns (bool);183184	/// Collection sponsorship confirmation.185	///186	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.187	/// @dev EVM selector for this function is: 0x3c50e97a,188	///  or in textual repr: confirmCollectionSponsorship()189	function confirmCollectionSponsorship() external;190191	/// Remove collection sponsor.192	/// @dev EVM selector for this function is: 0x6e0326a3,193	///  or in textual repr: removeCollectionSponsor()194	function removeCollectionSponsor() external;195196	/// Get current sponsor.197	///198	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.199	/// @dev EVM selector for this function is: 0x6ec0a9f1,200	///  or in textual repr: collectionSponsor()201	function collectionSponsor() external view returns (EthCrossAccount memory);202203	/// Get current collection limits.204	///205	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:206	/// 	"accountTokenOwnershipLimit",207	/// 	"sponsoredDataSize",208	/// 	"sponsoredDataRateLimit",209	/// 	"tokenLimit",210	/// 	"sponsorTransferTimeout",211	/// 	"sponsorApproveTimeout"212	///  	"ownerCanTransfer",213	/// 	"ownerCanDestroy",214	/// 	"transfersEnabled"215	/// Return `false` if a limit not set.216	/// @dev EVM selector for this function is: 0xf63bc572,217	///  or in textual repr: collectionLimits()218	function collectionLimits() external view returns (Tuple31[] memory);219220	/// Set limits for the collection.221	/// @dev Throws error if limit not found.222	/// @param limit Name of the limit. Valid names:223	/// 	"accountTokenOwnershipLimit",224	/// 	"sponsoredDataSize",225	/// 	"sponsoredDataRateLimit",226	/// 	"tokenLimit",227	/// 	"sponsorTransferTimeout",228	/// 	"sponsorApproveTimeout"229	///  	"ownerCanTransfer",230	/// 	"ownerCanDestroy",231	/// 	"transfersEnabled"232	/// @param status enable\disable limit. Works only with `true`.233	/// @param value Value of the limit.234	/// @dev EVM selector for this function is: 0x88150bd0,235	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)236	function setCollectionLimit(237		CollectionLimits limit,238		bool status,239		uint256 value240	) external;241242	/// Get contract address.243	/// @dev EVM selector for this function is: 0xf6b4dfb4,244	///  or in textual repr: contractAddress()245	function contractAddress() external view returns (address);246247	/// Add collection admin.248	/// @param newAdmin Cross account administrator address.249	/// @dev EVM selector for this function is: 0x859aa7d6,250	///  or in textual repr: addCollectionAdminCross((address,uint256))251	function addCollectionAdminCross(EthCrossAccount memory newAdmin) external;252253	/// Remove collection admin.254	/// @param admin Cross account administrator address.255	/// @dev EVM selector for this function is: 0x6c0cd173,256	///  or in textual repr: removeCollectionAdminCross((address,uint256))257	function removeCollectionAdminCross(EthCrossAccount memory admin) external;258259	// /// Add collection admin.260	// /// @param newAdmin Address of the added administrator.261	// /// @dev EVM selector for this function is: 0x92e462c7,262	// ///  or in textual repr: addCollectionAdmin(address)263	// function addCollectionAdmin(address newAdmin) external;264265	// /// Remove collection admin.266	// ///267	// /// @param admin Address of the removed administrator.268	// /// @dev EVM selector for this function is: 0xfafd7b42,269	// ///  or in textual repr: removeCollectionAdmin(address)270	// function removeCollectionAdmin(address admin) external;271272	/// Toggle accessibility of collection nesting.273	///274	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'275	/// @dev EVM selector for this function is: 0x112d4586,276	///  or in textual repr: setCollectionNesting(bool)277	function setCollectionNesting(bool enable) external;278279	/// Toggle accessibility of collection nesting.280	///281	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'282	/// @param collections Addresses of collections that will be available for nesting.283	/// @dev EVM selector for this function is: 0x64872396,284	///  or in textual repr: setCollectionNesting(bool,address[])285	function setCollectionNesting(bool enable, address[] memory collections) external;286287	/// Returns nesting for a collection288	/// @dev EVM selector for this function is: 0x22d25bfe,289	///  or in textual repr: collectionNestingRestrictedCollectionIds()290	function collectionNestingRestrictedCollectionIds() external view returns (Tuple36 memory);291292	/// Returns permissions for a collection293	/// @dev EVM selector for this function is: 0x5b2eaf4b,294	///  or in textual repr: collectionNestingPermissions()295	function collectionNestingPermissions() external view returns (Tuple39[] memory);296297	/// Set the collection access method.298	/// @param mode Access mode299	/// 	0 for Normal300	/// 	1 for AllowList301	/// @dev EVM selector for this function is: 0x41835d4c,302	///  or in textual repr: setCollectionAccess(uint8)303	function setCollectionAccess(uint8 mode) external;304305	/// Checks that user allowed to operate with collection.306	///307	/// @param user User address to check.308	/// @dev EVM selector for this function is: 0x91b6df49,309	///  or in textual repr: allowlistedCross((address,uint256))310	function allowlistedCross(EthCrossAccount memory user) external view returns (bool);311312	// /// Add the user to the allowed list.313	// ///314	// /// @param user Address of a trusted user.315	// /// @dev EVM selector for this function is: 0x67844fe6,316	// ///  or in textual repr: addToCollectionAllowList(address)317	// function addToCollectionAllowList(address user) external;318319	/// Add user to allowed list.320	///321	/// @param user User cross account address.322	/// @dev EVM selector for this function is: 0xa0184a3a,323	///  or in textual repr: addToCollectionAllowListCross((address,uint256))324	function addToCollectionAllowListCross(EthCrossAccount memory user) external;325326	// /// Remove the user from the allowed list.327	// ///328	// /// @param user Address of a removed user.329	// /// @dev EVM selector for this function is: 0x85c51acb,330	// ///  or in textual repr: removeFromCollectionAllowList(address)331	// function removeFromCollectionAllowList(address user) external;332333	/// Remove user from allowed list.334	///335	/// @param user User cross account address.336	/// @dev EVM selector for this function is: 0x09ba452a,337	///  or in textual repr: removeFromCollectionAllowListCross((address,uint256))338	function removeFromCollectionAllowListCross(EthCrossAccount memory user) external;339340	/// Switch permission for minting.341	///342	/// @param mode Enable if "true".343	/// @dev EVM selector for this function is: 0x00018e84,344	///  or in textual repr: setCollectionMintMode(bool)345	function setCollectionMintMode(bool mode) external;346347	// /// Check that account is the owner or admin of the collection348	// ///349	// /// @param user account to verify350	// /// @return "true" if account is the owner or admin351	// /// @dev EVM selector for this function is: 0x9811b0c7,352	// ///  or in textual repr: isOwnerOrAdmin(address)353	// function isOwnerOrAdmin(address user) external view returns (bool);354355	/// Check that account is the owner or admin of the collection356	///357	/// @param user User cross account to verify358	/// @return "true" if account is the owner or admin359	/// @dev EVM selector for this function is: 0x3e75a905,360	///  or in textual repr: isOwnerOrAdminCross((address,uint256))361	function isOwnerOrAdminCross(EthCrossAccount memory user) external view returns (bool);362363	/// Returns collection type364	///365	/// @return `Fungible` or `NFT` or `ReFungible`366	/// @dev EVM selector for this function is: 0xd34b55b8,367	///  or in textual repr: uniqueCollectionType()368	function uniqueCollectionType() external view returns (string memory);369370	/// Get collection owner.371	///372	/// @return Tuble with sponsor address and his substrate mirror.373	/// If address is canonical then substrate mirror is zero and vice versa.374	/// @dev EVM selector for this function is: 0xdf727d3b,375	///  or in textual repr: collectionOwner()376	function collectionOwner() external view returns (EthCrossAccount memory);377378	// /// Changes collection owner to another account379	// ///380	// /// @dev Owner can be changed only by current owner381	// /// @param newOwner new owner account382	// /// @dev EVM selector for this function is: 0x4f53e226,383	// ///  or in textual repr: changeCollectionOwner(address)384	// function changeCollectionOwner(address newOwner) external;385386	/// Get collection administrators387	///388	/// @return Vector of tuples with admins address and his substrate mirror.389	/// If address is canonical then substrate mirror is zero and vice versa.390	/// @dev EVM selector for this function is: 0x5813216b,391	///  or in textual repr: collectionAdmins()392	function collectionAdmins() external view returns (EthCrossAccount[] memory);393394	/// Changes collection owner to another account395	///396	/// @dev Owner can be changed only by current owner397	/// @param newOwner new owner cross account398	/// @dev EVM selector for this function is: 0x6496c497,399	///  or in textual repr: changeCollectionOwnerCross((address,uint256))400	function changeCollectionOwnerCross(EthCrossAccount memory newOwner) external;401}402403/// @dev Cross account struct404struct EthCrossAccount {405	address eth;406	uint256 sub;407}408409/// @dev anonymous struct410struct Tuple39 {411	CollectionPermissions field_0;412	bool field_1;413}414415enum CollectionPermissions {416	CollectionAdmin,417	TokenOwner418}419420/// @dev anonymous struct421struct Tuple36 {422	bool field_0;423	uint256[] field_1;424}425426/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.427enum CollectionLimits {428	/// @dev How many tokens can a user have on one account.429	AccountTokenOwnership,430	/// @dev How many bytes of data are available for sponsorship.431	SponsoredDataSize,432	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]433	SponsoredDataRateLimit,434	/// @dev How many tokens can be mined into this collection.435	TokenLimit,436	/// @dev Timeouts for transfer sponsoring.437	SponsorTransferTimeout,438	/// @dev Timeout for sponsoring an approval in passed blocks.439	SponsorApproveTimeout,440	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).441	OwnerCanTransfer,442	/// @dev Can the collection owner burn other people's tokens.443	OwnerCanDestroy,444	/// @dev Is it possible to send tokens from this collection between users.445	TransferEnabled446}447448/// @dev anonymous struct449struct Tuple31 {450	CollectionLimits field_0;451	bool field_1;452	uint256 field_2;453}454455/// @title ERC-721 Non-Fungible Token Standard, optional metadata extension456/// @dev See https://eips.ethereum.org/EIPS/eip-721457/// @dev the ERC-165 identifier for this interface is 0x5b5e139f458interface ERC721Metadata is Dummy, ERC165 {459	// /// @notice A descriptive name for a collection of NFTs in this contract460	// /// @dev real implementation of this function lies in `ERC721UniqueExtensions`461	// /// @dev EVM selector for this function is: 0x06fdde03,462	// ///  or in textual repr: name()463	// function name() external view returns (string memory);464465	// /// @notice An abbreviated name for NFTs in this contract466	// /// @dev real implementation of this function lies in `ERC721UniqueExtensions`467	// /// @dev EVM selector for this function is: 0x95d89b41,468	// ///  or in textual repr: symbol()469	// function symbol() external view returns (string memory);470471	/// @notice A distinct Uniform Resource Identifier (URI) for a given asset.472	///473	/// @dev If the token has a `url` property and it is not empty, it is returned.474	///  Else If the collection does not have a property with key `schemaName` or its value is not equal to `ERC721Metadata`, it return an error `tokenURI not set`.475	///  If the collection property `baseURI` is empty or absent, return "" (empty string)476	///  otherwise, if token property `suffix` present and is non-empty, return concatenation of baseURI and suffix477	///  otherwise, return concatenation of `baseURI` and stringified token id (decimal stringifying, without paddings).478	///479	/// @return token's const_metadata480	/// @dev EVM selector for this function is: 0xc87b56dd,481	///  or in textual repr: tokenURI(uint256)482	function tokenURI(uint256 tokenId) external view returns (string memory);483}484485/// @title ERC721 Token that can be irreversibly burned (destroyed).486/// @dev the ERC-165 identifier for this interface is 0x42966c68487interface ERC721Burnable is Dummy, ERC165 {488	/// @notice Burns a specific ERC721 token.489	/// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized490	///  operator of the current owner.491	/// @param tokenId The NFT to approve492	/// @dev EVM selector for this function is: 0x42966c68,493	///  or in textual repr: burn(uint256)494	function burn(uint256 tokenId) external;495}496497/// @dev inlined interface498interface ERC721UniqueMintableEvents {499	event MintingFinished();500}501502/// @title ERC721 minting logic.503/// @dev the ERC-165 identifier for this interface is 0x476ff149504interface ERC721UniqueMintable is Dummy, ERC165, ERC721UniqueMintableEvents {505	/// @dev EVM selector for this function is: 0x05d2035b,506	///  or in textual repr: mintingFinished()507	function mintingFinished() external view returns (bool);508509	/// @notice Function to mint a token.510	/// @param to The new owner511	/// @return uint256 The id of the newly minted token512	/// @dev EVM selector for this function is: 0x6a627842,513	///  or in textual repr: mint(address)514	function mint(address to) external returns (uint256);515516	// /// @notice Function to mint a token.517	// /// @dev `tokenId` should be obtained with `nextTokenId` method,518	// ///  unlike standard, you can't specify it manually519	// /// @param to The new owner520	// /// @param tokenId ID of the minted NFT521	// /// @dev EVM selector for this function is: 0x40c10f19,522	// ///  or in textual repr: mint(address,uint256)523	// function mint(address to, uint256 tokenId) external returns (bool);524525	/// @notice Function to mint token with the given tokenUri.526	/// @param to The new owner527	/// @param tokenUri Token URI that would be stored in the NFT properties528	/// @return uint256 The id of the newly minted token529	/// @dev EVM selector for this function is: 0x45c17782,530	///  or in textual repr: mintWithTokenURI(address,string)531	function mintWithTokenURI(address to, string memory tokenUri) external returns (uint256);532533	// /// @notice Function to mint token with the given tokenUri.534	// /// @dev `tokenId` should be obtained with `nextTokenId` method,535	// ///  unlike standard, you can't specify it manually536	// /// @param to The new owner537	// /// @param tokenId ID of the minted NFT538	// /// @param tokenUri Token URI that would be stored in the NFT properties539	// /// @dev EVM selector for this function is: 0x50bb4e7f,540	// ///  or in textual repr: mintWithTokenURI(address,uint256,string)541	// function mintWithTokenURI(address to, uint256 tokenId, string memory tokenUri) external returns (bool);542543	/// @dev Not implemented544	/// @dev EVM selector for this function is: 0x7d64bcb4,545	///  or in textual repr: finishMinting()546	function finishMinting() external returns (bool);547}548549/// @title Unique extensions for ERC721.550/// @dev the ERC-165 identifier for this interface is 0x0e48fdb4551interface ERC721UniqueExtensions is Dummy, ERC165 {552	/// @notice A descriptive name for a collection of NFTs in this contract553	/// @dev EVM selector for this function is: 0x06fdde03,554	///  or in textual repr: name()555	function name() external view returns (string memory);556557	/// @notice An abbreviated name for NFTs in this contract558	/// @dev EVM selector for this function is: 0x95d89b41,559	///  or in textual repr: symbol()560	function symbol() external view returns (string memory);561562	/// @notice A description for the collection.563	/// @dev EVM selector for this function is: 0x7284e416,564	///  or in textual repr: description()565	function description() external view returns (string memory);566567	/// Returns the owner (in cross format) of the token.568	///569	/// @param tokenId Id for the token.570	/// @dev EVM selector for this function is: 0x2b29dace,571	///  or in textual repr: crossOwnerOf(uint256)572	function crossOwnerOf(uint256 tokenId) external view returns (EthCrossAccount memory);573574	/// Returns the token properties.575	///576	/// @param tokenId Id for the token.577	/// @param keys Properties keys. Empty keys for all propertyes.578	/// @return Vector of properties key/value pairs.579	/// @dev EVM selector for this function is: 0xe07ede7e,580	///  or in textual repr: properties(uint256,string[])581	function properties(uint256 tokenId, string[] memory keys) external view returns (Property[] memory);582583	/// @notice Set or reaffirm the approved address for an NFT584	/// @dev The zero address indicates there is no approved address.585	/// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized586	///  operator of the current owner.587	/// @param approved The new substrate address approved NFT controller588	/// @param tokenId The NFT to approve589	/// @dev EVM selector for this function is: 0x0ecd0ab0,590	///  or in textual repr: approveCross((address,uint256),uint256)591	function approveCross(EthCrossAccount memory approved, uint256 tokenId) external;592593	/// @notice Transfer ownership of an NFT594	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`595	///  is the zero address. Throws if `tokenId` is not a valid NFT.596	/// @param to The new owner597	/// @param tokenId The NFT to transfer598	/// @dev EVM selector for this function is: 0xa9059cbb,599	///  or in textual repr: transfer(address,uint256)600	function transfer(address to, uint256 tokenId) external;601602	/// @notice Transfer ownership of an NFT603	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`604	///  is the zero address. Throws if `tokenId` is not a valid NFT.605	/// @param to The new owner606	/// @param tokenId The NFT to transfer607	/// @dev EVM selector for this function is: 0x2ada85ff,608	///  or in textual repr: transferCross((address,uint256),uint256)609	function transferCross(EthCrossAccount memory to, uint256 tokenId) external;610611	/// @notice Transfer ownership of an NFT from cross account address to cross account address612	/// @dev Throws unless `msg.sender` is the current owner. Throws if `to`613	///  is the zero address. Throws if `tokenId` is not a valid NFT.614	/// @param from Cross acccount address of current owner615	/// @param to Cross acccount address of new owner616	/// @param tokenId The NFT to transfer617	/// @dev EVM selector for this function is: 0xd5cf430b,618	///  or in textual repr: transferFromCross((address,uint256),(address,uint256),uint256)619	function transferFromCross(620		EthCrossAccount memory from,621		EthCrossAccount memory to,622		uint256 tokenId623	) external;624625	// /// @notice Burns a specific ERC721 token.626	// /// @dev Throws unless `msg.sender` is the current owner or an authorized627	// ///  operator for this NFT. Throws if `from` is not the current owner. Throws628	// ///  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.629	// /// @param from The current owner of the NFT630	// /// @param tokenId The NFT to transfer631	// /// @dev EVM selector for this function is: 0x79cc6790,632	// ///  or in textual repr: burnFrom(address,uint256)633	// function burnFrom(address from, uint256 tokenId) external;634635	/// @notice Burns a specific ERC721 token.636	/// @dev Throws unless `msg.sender` is the current owner or an authorized637	///  operator for this NFT. Throws if `from` is not the current owner. Throws638	///  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.639	/// @param from The current owner of the NFT640	/// @param tokenId The NFT to transfer641	/// @dev EVM selector for this function is: 0xbb2f5a58,642	///  or in textual repr: burnFromCross((address,uint256),uint256)643	function burnFromCross(EthCrossAccount memory from, uint256 tokenId) external;644645	/// @notice Returns next free NFT ID.646	/// @dev EVM selector for this function is: 0x75794a3c,647	///  or in textual repr: nextTokenId()648	function nextTokenId() external view returns (uint256);649650	// /// @notice Function to mint multiple tokens.651	// /// @dev `tokenIds` should be an array of consecutive numbers and first number652	// ///  should be obtained with `nextTokenId` method653	// /// @param to The new owner654	// /// @param tokenIds IDs of the minted NFTs655	// /// @dev EVM selector for this function is: 0x44a9945e,656	// ///  or in textual repr: mintBulk(address,uint256[])657	// function mintBulk(address to, uint256[] memory tokenIds) external returns (bool);658659	// /// @notice Function to mint multiple tokens with the given tokenUris.660	// /// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive661	// ///  numbers and first number should be obtained with `nextTokenId` method662	// /// @param to The new owner663	// /// @param tokens array of pairs of token ID and token URI for minted tokens664	// /// @dev EVM selector for this function is: 0x36543006,665	// ///  or in textual repr: mintBulkWithTokenURI(address,(uint256,string)[])666	// function mintBulkWithTokenURI(address to, Tuple13[] memory tokens) external returns (bool);667668	/// @notice Function to mint a token.669	/// @param to The new owner crossAccountId670	/// @param properties Properties of minted token671	/// @return uint256 The id of the newly minted token672	/// @dev EVM selector for this function is: 0xb904db03,673	///  or in textual repr: mintCross((address,uint256),(string,bytes)[])674	function mintCross(EthCrossAccount memory to, Property[] memory properties) external returns (uint256);675}676677/// @dev anonymous struct678struct Tuple13 {679	uint256 field_0;680	string field_1;681}682683/// @title ERC-721 Non-Fungible Token Standard, optional enumeration extension684/// @dev See https://eips.ethereum.org/EIPS/eip-721685/// @dev the ERC-165 identifier for this interface is 0x780e9d63686interface ERC721Enumerable is Dummy, ERC165 {687	/// @notice Enumerate valid NFTs688	/// @param index A counter less than `totalSupply()`689	/// @return The token identifier for the `index`th NFT,690	///  (sort order not specified)691	/// @dev EVM selector for this function is: 0x4f6ccce7,692	///  or in textual repr: tokenByIndex(uint256)693	function tokenByIndex(uint256 index) external view returns (uint256);694695	/// @dev Not implemented696	/// @dev EVM selector for this function is: 0x2f745c59,697	///  or in textual repr: tokenOfOwnerByIndex(address,uint256)698	function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);699700	/// @notice Count NFTs tracked by this contract701	/// @return A count of valid NFTs tracked by this contract, where each one of702	///  them has an assigned and queryable owner not equal to the zero address703	/// @dev EVM selector for this function is: 0x18160ddd,704	///  or in textual repr: totalSupply()705	function totalSupply() external view returns (uint256);706}707708/// @dev inlined interface709interface ERC721Events {710	event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);711	event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);712	event ApprovalForAll(address indexed owner, address indexed operator, bool approved);713}714715/// @title ERC-721 Non-Fungible Token Standard716/// @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md717/// @dev the ERC-165 identifier for this interface is 0x983a942b718interface ERC721 is Dummy, ERC165, ERC721Events {719	/// @notice Count all NFTs assigned to an owner720	/// @dev NFTs assigned to the zero address are considered invalid, and this721	///  function throws for queries about the zero address.722	/// @param owner An address for whom to query the balance723	/// @return The number of NFTs owned by `owner`, possibly zero724	/// @dev EVM selector for this function is: 0x70a08231,725	///  or in textual repr: balanceOf(address)726	function balanceOf(address owner) external view returns (uint256);727728	/// @notice Find the owner of an NFT729	/// @dev NFTs assigned to zero address are considered invalid, and queries730	///  about them do throw.731	/// @param tokenId The identifier for an NFT732	/// @return The address of the owner of the NFT733	/// @dev EVM selector for this function is: 0x6352211e,734	///  or in textual repr: ownerOf(uint256)735	function ownerOf(uint256 tokenId) external view returns (address);736737	/// @dev Not implemented738	/// @dev EVM selector for this function is: 0xb88d4fde,739	///  or in textual repr: safeTransferFrom(address,address,uint256,bytes)740	function safeTransferFrom(741		address from,742		address to,743		uint256 tokenId,744		bytes memory data745	) external;746747	/// @dev Not implemented748	/// @dev EVM selector for this function is: 0x42842e0e,749	///  or in textual repr: safeTransferFrom(address,address,uint256)750	function safeTransferFrom(751		address from,752		address to,753		uint256 tokenId754	) external;755756	/// @notice Transfer ownership of an NFT -- THE CALLER IS RESPONSIBLE757	///  TO CONFIRM THAT `to` IS CAPABLE OF RECEIVING NFTS OR ELSE758	///  THEY MAY BE PERMANENTLY LOST759	/// @dev Throws unless `msg.sender` is the current owner or an authorized760	///  operator for this NFT. Throws if `from` is not the current owner. Throws761	///  if `to` is the zero address. Throws if `tokenId` is not a valid NFT.762	/// @param from The current owner of the NFT763	/// @param to The new owner764	/// @param tokenId The NFT to transfer765	/// @dev EVM selector for this function is: 0x23b872dd,766	///  or in textual repr: transferFrom(address,address,uint256)767	function transferFrom(768		address from,769		address to,770		uint256 tokenId771	) external;772773	/// @notice Set or reaffirm the approved address for an NFT774	/// @dev The zero address indicates there is no approved address.775	/// @dev Throws unless `msg.sender` is the current NFT owner, or an authorized776	///  operator of the current owner.777	/// @param approved The new approved NFT controller778	/// @param tokenId The NFT to approve779	/// @dev EVM selector for this function is: 0x095ea7b3,780	///  or in textual repr: approve(address,uint256)781	function approve(address approved, uint256 tokenId) external;782783	/// @notice Sets or unsets the approval of a given operator.784	/// The `operator` is allowed to transfer all tokens of the `caller` on their behalf.785	/// @param operator Operator786	/// @param approved Should operator status be granted or revoked?787	/// @dev EVM selector for this function is: 0xa22cb465,788	///  or in textual repr: setApprovalForAll(address,bool)789	function setApprovalForAll(address operator, bool approved) external;790791	/// @dev Not implemented792	/// @dev EVM selector for this function is: 0x081812fc,793	///  or in textual repr: getApproved(uint256)794	function getApproved(uint256 tokenId) external view returns (address);795796	/// @notice Tells whether the given `owner` approves the `operator`.797	/// @dev EVM selector for this function is: 0xe985e9c5,798	///  or in textual repr: isApprovedForAll(address,address)799	function isApprovedForAll(address owner, address operator) external view returns (bool);800801	/// @notice Returns collection helper contract address802	/// @dev EVM selector for this function is: 0x1896cce6,803	///  or in textual repr: collectionHelperAddress()804	function collectionHelperAddress() external view returns (address);805}806807interface UniqueNFT is808	Dummy,809	ERC165,810	ERC721,811	ERC721Enumerable,812	ERC721UniqueExtensions,813	ERC721UniqueMintable,814	ERC721Burnable,815	ERC721Metadata,816	Collection,817	TokenProperties818{}
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)
+        .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 "CollectionLimits"');
 
       // 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;
 
@@ -199,7 +199,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
@@ -224,7 +224,7 @@
     }
     {
       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', () => {
@@ -210,7 +210,7 @@
     }
     {
       await expect(malfeasantCollection.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
@@ -235,7 +235,7 @@
     }
     {
       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', () => {
@@ -242,7 +242,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .setCollectionLimit({field: CollectionLimitField.AccountTokenOwnership, value: {status: true, value: 1000}})
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
@@ -267,7 +267,7 @@
     }
     {
       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,