git.delta.rocks / unique-network / refs/commits / 20ac01d2fe7c

--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2646,8 +2646,8 @@
 
 [[package]]
 name = "evm-coder"
-version = "0.3.1"
-source = "git+https://github.com/uniquenetwork/evm-coder?tag=v0.3.1#21e61c627f71337d6b8a03899fe8de14bfbf67aa"
+version = "0.3.6"
+source = "git+https://github.com/uniquenetwork/evm-coder?tag=v0.3.6#be59ae41a5d2ec9389bae22d54f81122b6ba55a4"
 dependencies = [
  "ethereum",
  "evm-coder-procedural",
@@ -2658,8 +2658,8 @@
 
 [[package]]
 name = "evm-coder-procedural"
-version = "0.3.1"
-source = "git+https://github.com/uniquenetwork/evm-coder?tag=v0.3.1#21e61c627f71337d6b8a03899fe8de14bfbf67aa"
+version = "0.3.6"
+source = "git+https://github.com/uniquenetwork/evm-coder?tag=v0.3.6#be59ae41a5d2ec9389bae22d54f81122b6ba55a4"
 dependencies = [
  "Inflector",
  "hex",
@@ -6489,6 +6489,7 @@
 name = "pallet-common"
 version = "0.1.14"
 dependencies = [
+ "bondrewd",
  "ethereum",
  "evm-coder",
  "frame-benchmarking",
@@ -7530,6 +7531,7 @@
  "frame-benchmarking",
  "frame-support",
  "frame-system",
+ "log",
  "pallet-balances-adapter",
  "pallet-common",
  "pallet-evm",
@@ -14097,6 +14099,7 @@
 dependencies = [
  "bondrewd",
  "derivative",
+ "evm-coder",
  "frame-support",
  "pallet-evm",
  "parity-scale-codec",

--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@
 [workspace.dependencies]
 # Unique
 app-promotion-rpc = { path = "primitives/app_promotion_rpc", default-features = false }
-evm-coder = { git = "https://github.com/uniquenetwork/evm-coder", tag = "v0.3.1", default-features = false }
+evm-coder = { git = "https://github.com/uniquenetwork/evm-coder", tag = "v0.3.6", default-features = false, features = ['bondrewd'] }
 pallet-app-promotion = { path = "pallets/app-promotion", default-features = false }
 pallet-balances-adapter = { default-features = false, path = "pallets/balances-adapter" }
 pallet-charge-transaction = { package = "pallet-template-transaction-payment", default-features = false, git = "https://github.com/uniquenetwork/pallet-sponsoring", branch = "polkadot-v0.9.43" }

--- a/pallets/common/Cargo.toml
+++ b/pallets/common/Cargo.toml
@@ -10,6 +10,7 @@
 
 scale-info = { workspace = true }
 
+bondrewd = { version = "0.1.14", features = ["derive"], default-features = false }
 ethereum = { workspace = true }
 evm-coder = { workspace = true }
 frame-benchmarking = { workspace = true, optional = true }

--- a/pallets/common/src/benchmarking.rs
+++ b/pallets/common/src/benchmarking.rs
@@ -21,10 +21,9 @@
 use pallet_evm::account::CrossAccountId;
 use frame_benchmarking::{benchmarks, account};
 use up_data_structs::{
-	CollectionMode, CollectionFlags, CreateCollectionData, CollectionId, Property, PropertyKey,
-	PropertyValue, CollectionPermissions, NestingPermissions, AccessMode,
-	MAX_COLLECTION_NAME_LENGTH, MAX_COLLECTION_DESCRIPTION_LENGTH, MAX_TOKEN_PREFIX_LENGTH,
-	MAX_PROPERTIES_PER_ITEM,
+	CollectionMode, CreateCollectionData, CollectionId, Property, PropertyKey, PropertyValue,
+	CollectionPermissions, NestingPermissions, AccessMode, MAX_COLLECTION_NAME_LENGTH,
+	MAX_COLLECTION_DESCRIPTION_LENGTH, MAX_TOKEN_PREFIX_LENGTH, MAX_PROPERTIES_PER_ITEM,
 };
 use frame_support::{
 	traits::{Get, fungible::Balanced, Imbalance, tokens::Precision},
@@ -47,12 +46,7 @@
 		.unwrap()
 }
 pub fn create_var_data<const S: u32>(size: u32) -> BoundedVec<u8, ConstU32<S>> {
-	assert!(
-		size <= S,
-		"size ({}) should be less within bound ({})",
-		size,
-		S
-	);
+	assert!(size <= S, "size ({size}) should be less within bound ({S})",);
 	(0..size)
 		.map(|v| (v & 0xff) as u8)
 		.collect::<Vec<_>>()
@@ -81,7 +75,7 @@
 	mode: CollectionMode,
 	handler: impl FnOnce(
 		T::CrossAccountId,
-		CreateCollectionData<T::AccountId>,
+		CreateCollectionData<T::CrossAccountId>,
 	) -> Result<CollectionId, DispatchError>,
 	cast: impl FnOnce(CollectionHandle<T>) -> R,
 ) -> Result<R, DispatchError> {
@@ -124,9 +118,7 @@
 	create_collection_raw(
 		owner,
 		CollectionMode::NFT,
-		|owner: T::CrossAccountId, data| {
-			<Pallet<T>>::init_collection(owner.clone(), owner, data, CollectionFlags::default())
-		},
+		|owner: T::CrossAccountId, data| <Pallet<T>>::init_collection(owner.clone(), owner, data),
 		|h| h,
 	)
 }

--- a/pallets/common/src/dispatch.rs
+++ b/pallets/common/src/dispatch.rs
@@ -9,7 +9,7 @@
 	traits::Get,
 };
 use sp_runtime::DispatchError;
-use up_data_structs::{CollectionId, CreateCollectionData, CollectionFlags};
+use up_data_structs::{CollectionId, CreateCollectionData};
 
 use crate::{pallet::Config, CommonCollectionOperations};
 
@@ -76,8 +76,7 @@
 	fn create(
 		sender: T::CrossAccountId,
 		payer: T::CrossAccountId,
-		data: CreateCollectionData<T::AccountId>,
-		flags: CollectionFlags,
+		data: CreateCollectionData<T::CrossAccountId>,
 	) -> Result<CollectionId, DispatchError>;
 
 	/// Delete the collection.

--- a/pallets/common/src/erc.rs
+++ b/pallets/common/src/erc.rs
@@ -402,10 +402,44 @@
 		Ok(())
 	}
 
+	#[solidity(rename_selector = "setCollectionNesting")]
+	fn set_nesting(
+		&mut self,
+		caller: Caller,
+		collection_nesting_and_permissions: eth::CollectionNestingAndPermission,
+	) -> Result<()> {
+		self.consume_store_reads_and_writes(1, 1)?;
+
+		let caller = T::CrossAccountId::from_eth(caller);
+
+		let mut permissions = self.collection.permissions.clone();
+		let mut nesting = permissions.nesting().clone();
+
+		let bv = if !collection_nesting_and_permissions.restricted.is_empty() {
+			let mut bv = OwnerRestrictedSet::new();
+			for address in collection_nesting_and_permissions.restricted.iter() {
+				bv.try_insert(crate::eth::map_eth_to_id(address).ok_or_else(|| {
+					Error::Revert("Can't convert address into collection id".into())
+				})?)
+				.map_err(|_| "too many collections")?;
+			}
+			Some(bv)
+		} else {
+			None
+		};
+
+		nesting.token_owner = collection_nesting_and_permissions.token_owner;
+		nesting.collection_admin = collection_nesting_and_permissions.collection_admin;
+		nesting.restricted = bv;
+		permissions.nesting = Some(nesting);
+
+		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)
+	}
+
 	/// Toggle accessibility of collection nesting.
 	///
 	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	#[solidity(rename_selector = "setCollectionNesting")]
+	#[solidity(hide, rename_selector = "setCollectionNesting")]
 	fn set_nesting_bool(&mut self, caller: Caller, enable: bool) -> Result<()> {
 		self.consume_store_reads_and_writes(1, 1)?;
 
@@ -424,8 +458,8 @@
 	///
 	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
 	/// @param collections Addresses of collections that will be available for nesting.
-	#[solidity(rename_selector = "setCollectionNesting")]
-	fn set_nesting(
+	#[solidity(hide, rename_selector = "setCollectionNesting")]
+	fn set_nesting_collection_ids(
 		&mut self,
 		caller: Caller,
 		enable: bool,
@@ -464,8 +498,28 @@
 		<Pallet<T>>::update_permissions(&caller, self, permissions).map_err(dispatch_to_evm::<T>)
 	}
 
+	#[solidity(rename_selector = "collectionNesting")]
+	fn collection_nesting(&self) -> Result<eth::CollectionNestingAndPermission> {
+		let nesting = self.collection.permissions.nesting();
+
+		Ok(eth::CollectionNestingAndPermission::new(
+			nesting.token_owner,
+			nesting.collection_admin,
+			nesting
+				.restricted
+				.clone()
+				.map(|b| {
+					b.0.into_inner()
+						.iter()
+						.map(|id| crate::eth::collection_id_to_address(id.0.into()))
+						.collect()
+				})
+				.unwrap_or_default(),
+		))
+	}
+
 	/// Returns nesting for a collection
-	#[solidity(rename_selector = "collectionNestingRestrictedCollectionIds")]
+	#[solidity(hide, rename_selector = "collectionNestingRestrictedCollectionIds")]
 	fn collection_nesting_restricted_ids(&self) -> Result<eth::CollectionNesting> {
 		let nesting = self.collection.permissions.nesting();
 
@@ -480,6 +534,7 @@
 	}
 
 	/// Returns permissions for a collection
+	#[solidity(hide)]
 	fn collection_nesting_permissions(&self) -> Result<Vec<eth::CollectionNestingPermission>> {
 		let nesting = self.collection.permissions.nesting();
 		Ok(vec![

--- a/pallets/common/src/eth.rs
+++ b/pallets/common/src/eth.rs
@@ -24,7 +24,8 @@
 };
 pub use pallet_evm::{Config, account::CrossAccountId};
 use sp_core::{H160, U256};
-use up_data_structs::CollectionId;
+use up_data_structs::{CollectionId, CollectionFlags};
+use pallet_evm_coder_substrate::execution::Error;
 
 // 0x17c4e6453Cc49AAAaEACA894e6D9683e00000001 - collection 1
 // TODO: Unhardcode prefix
@@ -104,10 +105,26 @@
 			sub: Default::default(),
 		}
 	}
+
+	/// Converts [`CrossAddress`] to `Option<CrossAccountId>`.
+	pub fn into_option_sub_cross_account<T>(&self) -> Result<Option<T::CrossAccountId>, Error>
+	where
+		T: pallet_evm::Config,
+		T::AccountId: From<[u8; 32]>,
+	{
+		if self.eth == Default::default() && self.sub == Default::default() {
+			Ok(None)
+		} else if self.eth == Default::default() {
+			Ok(Some(convert_uint256_to_cross_account::<T>(self.sub)))
+		} else if self.sub == Default::default() {
+			Ok(Some(T::CrossAccountId::from_eth(self.eth)))
+		} else {
+			Err(format!("All fields of cross account is non zeroed {:?}", self).into())
+		}
+	}
+
 	/// Converts [`CrossAddress`] to `CrossAccountId`.
-	pub fn into_sub_cross_account<T>(
-		&self,
-	) -> pallet_evm_coder_substrate::execution::Result<T::CrossAccountId>
+	pub fn into_sub_cross_account<T>(&self) -> Result<T::CrossAccountId, Error>
 	where
 		T: pallet_evm::Config,
 		T::AccountId: From<[u8; 32]>,
@@ -124,6 +141,19 @@
 	}
 }
 
+/// Type of tokens in collection
+#[derive(AbiCoder, Copy, Clone, Default, Debug, PartialEq)]
+#[repr(u8)]
+pub enum CollectionMode {
+	/// Nonfungible
+	#[default]
+	Nonfungible,
+	/// Fungible
+	Fungible,
+	/// Refungible
+	Refungible,
+}
+
 /// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
 #[derive(Debug, Default, AbiCoder)]
 pub struct Property {
@@ -144,7 +174,7 @@
 }
 
 impl TryFrom<up_data_structs::Property> for Property {
-	type Error = pallet_evm_coder_substrate::execution::Error;
+	type Error = Error;
 
 	fn try_from(from: up_data_structs::Property) -> Result<Self, Self::Error> {
 		let key = evm_coder::types::String::from_utf8(from.key.into())
@@ -155,7 +185,7 @@
 }
 
 impl TryInto<up_data_structs::Property> for Property {
-	type Error = pallet_evm_coder_substrate::execution::Error;
+	type Error = Error;
 
 	fn try_into(self) -> Result<up_data_structs::Property, Self::Error> {
 		let key = <Vec<u8>>::from(self.key)
@@ -220,17 +250,14 @@
 	pub fn has_value(&self) -> bool {
 		self.value.is_some()
 	}
-}
 
-impl TryInto<up_data_structs::CollectionLimits> for CollectionLimit {
-	type Error = pallet_evm_coder_substrate::execution::Error;
-
-	fn try_into(self) -> Result<up_data_structs::CollectionLimits, Self::Error> {
+	/// Set corresponding property in CollectionLimits struct
+	pub fn apply_limit(&self, limits: &mut up_data_structs::CollectionLimits) -> Result<(), Error> {
 		let value = self
 			.value
-			.ok_or::<Self::Error>("can't convert `None` value to boolean".into())?;
+			.ok_or::<Error>("can't convert `None` value to boolean".into())?;
 		let value = Some(value.try_into().map_err(|error| {
-			Self::Error::Revert(format!(
+			Error::Revert(format!(
 				"can't convert value to u32 \"{value}\" because: \"{error}\""
 			))
 		})?);
@@ -239,14 +266,13 @@
 			Some(value) => match value {
 				0 => Ok(Some(false)),
 				1 => Ok(Some(true)),
-				_ => Err(Self::Error::Revert(format!(
+				_ => Err(Error::Revert(format!(
 					"can't convert value to boolean \"{value}\""
 				))),
 			},
 			None => Ok(None),
 		};
 
-		let mut limits = up_data_structs::CollectionLimits::default();
 		match self.field {
 			CollectionLimitField::AccountTokenOwnership => {
 				limits.account_token_ownership_limit = value;
@@ -277,10 +303,99 @@
 				limits.transfers_enabled = convert_value_to_bool()?;
 			}
 		};
+		Ok(())
+	}
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+#[derive(Debug, Default, AbiCoder)]
+pub struct CollectionLimitValue {
+	field: CollectionLimitField,
+	value: U256,
+}
+
+impl CollectionLimitValue {
+	/// Create [`CollectionLimitValue`] from field and value.
+	pub fn new(field: CollectionLimitField, value: u32) -> Self {
+		Self {
+			field,
+			value: value.into(),
+		}
+	}
+
+	/// Set corresponding property in CollectionLimits struct
+	pub fn apply_limit(&self, limits: &mut up_data_structs::CollectionLimits) -> Result<(), Error> {
+		let value = self.value;
+		let value: u32 = value.try_into().map_err(|error| {
+			Error::Revert(format!(
+				"can't convert value to u32 \"{value}\" because: \"{error}\""
+			))
+		})?;
+
+		let convert_value_to_bool = || match value {
+			0 => Ok(Some(false)),
+			1 => Ok(Some(true)),
+			_ => Err(Error::Revert(format!(
+				"can't convert value to boolean \"{value}\""
+			))),
+		};
+
+		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 = convert_value_to_bool()?;
+			}
+			CollectionLimitField::OwnerCanDestroy => {
+				limits.owner_can_destroy = convert_value_to_bool()?;
+			}
+			CollectionLimitField::TransferEnabled => {
+				limits.transfers_enabled = convert_value_to_bool()?;
+			}
+		};
+		Ok(())
+	}
+}
+
+impl TryInto<up_data_structs::CollectionLimits> for CollectionLimit {
+	type Error = Error;
+
+	fn try_into(self) -> Result<up_data_structs::CollectionLimits, Self::Error> {
+		let mut limits = up_data_structs::CollectionLimits::default();
+		self.apply_limit(&mut limits)?;
 		Ok(limits)
 	}
 }
 
+impl FromIterator<CollectionLimitValue> for Result<up_data_structs::CollectionLimits, Error> {
+	fn from_iter<T: IntoIterator<Item = CollectionLimitValue>>(
+		iter: T,
+	) -> Result<up_data_structs::CollectionLimits, Error> {
+		let mut limits = up_data_structs::CollectionLimits::default();
+		for value in iter.into_iter() {
+			value.apply_limit(&mut limits)?;
+		}
+		Ok(limits)
+	}
+}
+
 /// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.
 #[derive(Default, Debug, Clone, Copy, AbiCoder)]
 #[repr(u8)]
@@ -384,8 +499,7 @@
 	/// Convert vector of [`TokenPropertyPermission`] into vector of [`up_data_structs::PropertyKeyPermission`].
 	pub fn into_property_key_permissions(
 		permissions: Vec<TokenPropertyPermission>,
-	) -> pallet_evm_coder_substrate::execution::Result<Vec<up_data_structs::PropertyKeyPermission>>
-	{
+	) -> Result<Vec<up_data_structs::PropertyKeyPermission>, Error> {
 		let mut perms = Vec::new();
 
 		for TokenPropertyPermission { key, permissions } in permissions {
@@ -410,6 +524,57 @@
 	pub uri: String,
 }
 
+/// Nested collections and permissions
+#[derive(Debug, Default, AbiCoder)]
+pub struct CollectionNestingAndPermission {
+	/// Owner of token can nest tokens under it.
+	pub token_owner: bool,
+	/// Admin of token collection can nest tokens under token.
+	pub collection_admin: bool,
+	/// If set - only tokens from specified collections can be nested.
+	pub restricted: Vec<Address>,
+}
+
+impl CollectionNestingAndPermission {
+	/// Create [`CollectionNesting`].
+	pub fn new(token_owner: bool, collection_admin: bool, restricted: Vec<Address>) -> Self {
+		Self {
+			token_owner,
+			collection_admin,
+			restricted,
+		}
+	}
+}
+
+/// Collection properties
+#[derive(Debug, Default, AbiCoder)]
+pub struct CreateCollectionData {
+	/// Collection sponsor
+	pub pending_sponsor: CrossAddress,
+	/// Collection name
+	pub name: String,
+	/// Collection description
+	pub description: String,
+	/// Token prefix
+	pub token_prefix: String,
+	/// Token type (NFT, FT or RFT)
+	pub mode: CollectionMode,
+	/// Fungible token precision
+	pub decimals: u8,
+	/// Custom Properties
+	pub properties: Vec<Property>,
+	/// Permissions for token properties
+	pub token_property_permissions: Vec<TokenPropertyPermission>,
+	/// Collection admins
+	pub admin_list: Vec<CrossAddress>,
+	/// Nesting settings
+	pub nesting_settings: CollectionNestingAndPermission,
+	/// Collection limits
+	pub limits: Vec<CollectionLimitValue>,
+	/// Extra collection flags
+	pub flags: CollectionFlags,
+}
+
 /// Nested collections.
 #[derive(Debug, Default, AbiCoder)]
 pub struct CollectionNesting {

--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -73,16 +73,15 @@
 	transactional, fail,
 };
 use up_data_structs::{
-	AccessMode, COLLECTION_NUMBER_LIMIT, Collection, RpcCollection, CollectionFlags,
-	RpcCollectionFlags, CollectionId, CreateItemData, MAX_TOKEN_PREFIX_LENGTH,
-	COLLECTION_ADMINS_LIMIT, TokenId, TokenChild, CollectionStats, MAX_TOKEN_OWNERSHIP,
-	CollectionMode, NFT_SPONSOR_TRANSFER_TIMEOUT, FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT,
-	REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, MAX_SPONSOR_TIMEOUT, CUSTOM_DATA_LIMIT, CollectionLimits,
-	CreateCollectionData, SponsorshipState, CreateItemExData, SponsoringRateLimit, budget::Budget,
-	PhantomType, Property, CollectionProperties as CollectionPropertiesT, TokenProperties,
-	PropertiesPermissionMap, PropertyKey, PropertyValue, PropertyPermission, PropertiesError,
-	TokenOwnerError, PropertyKeyPermission, TokenData, TrySetProperty, PropertyScope,
-	CollectionPermissions,
+	AccessMode, COLLECTION_NUMBER_LIMIT, Collection, RpcCollection, RpcCollectionFlags,
+	CollectionId, CreateItemData, MAX_TOKEN_PREFIX_LENGTH, COLLECTION_ADMINS_LIMIT, TokenId,
+	TokenChild, CollectionStats, MAX_TOKEN_OWNERSHIP, CollectionMode, NFT_SPONSOR_TRANSFER_TIMEOUT,
+	FUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, REFUNGIBLE_SPONSOR_TRANSFER_TIMEOUT, MAX_SPONSOR_TIMEOUT,
+	CUSTOM_DATA_LIMIT, CollectionLimits, CreateCollectionData, SponsorshipState, CreateItemExData,
+	SponsoringRateLimit, budget::Budget, PhantomType, Property,
+	CollectionProperties as CollectionPropertiesT, TokenProperties, PropertiesPermissionMap,
+	PropertyKey, PropertyValue, PropertyPermission, PropertiesError, TokenOwnerError,
+	PropertyKeyPermission, TokenData, TrySetProperty, PropertyScope, CollectionPermissions,
 };
 use up_pov_estimate_rpc::PovInfo;
 
@@ -1094,9 +1093,28 @@
 	pub fn init_collection(
 		owner: T::CrossAccountId,
 		payer: T::CrossAccountId,
-		data: CreateCollectionData<T::AccountId>,
-		flags: CollectionFlags,
+		data: CreateCollectionData<T::CrossAccountId>,
 	) -> Result<CollectionId, DispatchError> {
+		ensure!(data.flags.is_allowed_for_user(), <Error<T>>::NoPermission);
+		Self::init_collection_internal(owner, payer, data)
+	}
+
+	/// Initializes the collection with ForeignCollection flag. Returns [CollectionId] on success, [DispatchError] otherwise.
+	pub fn init_foreign_collection(
+		owner: T::CrossAccountId,
+		payer: T::CrossAccountId,
+		mut data: CreateCollectionData<T::CrossAccountId>,
+	) -> Result<CollectionId, DispatchError> {
+		data.flags.foreign = true;
+		let id = Self::init_collection_internal(owner, payer, data)?;
+		Ok(id)
+	}
+
+	fn init_collection_internal(
+		owner: T::CrossAccountId,
+		payer: T::CrossAccountId,
+		data: CreateCollectionData<T::CrossAccountId>,
+	) -> Result<CollectionId, DispatchError> {
 		{
 			ensure!(
 				data.token_prefix.len() <= MAX_TOKEN_PREFIX_LENGTH as usize,
@@ -1127,7 +1145,7 @@
 			token_prefix: data.token_prefix,
 			sponsorship: data
 				.pending_sponsor
-				.map(SponsorshipState::Unconfirmed)
+				.map(|sponsor| SponsorshipState::Unconfirmed(sponsor.as_sub().clone()))
 				.unwrap_or_default(),
 			limits: data
 				.limits
@@ -1139,7 +1157,7 @@
 					Self::clamp_permissions(data.mode.clone(), &Default::default(), permissions)
 				})
 				.unwrap_or_else(|| Ok(CollectionPermissions::default()))?,
-			flags,
+			flags: data.flags,
 		};
 
 		let mut collection_properties = CollectionPropertiesT::new();
@@ -1156,6 +1174,21 @@
 
 		CollectionPropertyPermissions::<T>::insert(id, token_props_permissions);
 
+		let mut admin_amount = 0u32;
+		for admin in data.admin_list.iter() {
+			if !<IsAdmin<T>>::get((id, admin)) {
+				<IsAdmin<T>>::insert((id, admin), true);
+				admin_amount = admin_amount
+					.checked_add(1)
+					.ok_or(<Error<T>>::CollectionAdminCountExceeded)?;
+			}
+		}
+		ensure!(
+			admin_amount <= Self::collection_admins_limit(),
+			<Error<T>>::CollectionAdminCountExceeded,
+		);
+		<AdminAmount<T>>::insert(id, admin_amount);
+
 		// Take a (non-refundable) deposit of collection creation
 		{
 			let mut imbalance = <Debt<T::AccountId, <T as Config>::Currency>>::zero();

--- a/pallets/foreign-assets/src/lib.rs
+++ b/pallets/foreign-assets/src/lib.rs
@@ -42,9 +42,9 @@
 	RuntimeDebug,
 };
 use frame_system::pallet_prelude::*;
-use up_data_structs::{CollectionMode};
-use pallet_fungible::{Pallet as PalletFungible};
-use scale_info::{TypeInfo};
+use up_data_structs::CollectionMode;
+use pallet_fungible::Pallet as PalletFungible;
+use scale_info::TypeInfo;
 use sp_runtime::{
 	traits::{One, Zero},
 	ArithmeticError,
@@ -304,7 +304,7 @@
 				.collect::<Vec<u16>>();
 			description.append(&mut name.clone());
 
-			let data: CreateCollectionData<T::AccountId> = CreateCollectionData {
+			let data: CreateCollectionData<T::CrossAccountId> = CreateCollectionData {
 				name: name.try_into().unwrap(),
 				description: description.try_into().unwrap(),
 				mode: CollectionMode::Fungible(md.decimals),

--- a/pallets/fungible/src/benchmarking.rs
+++ b/pallets/fungible/src/benchmarking.rs
@@ -31,9 +31,7 @@
 	create_collection_raw(
 		owner,
 		CollectionMode::Fungible(0),
-		|owner: T::CrossAccountId, data| {
-			<Pallet<T>>::init_collection(owner.clone(), owner, data, Default::default())
-		},
+		|owner: T::CrossAccountId, data| <Pallet<T>>::init_collection(owner.clone(), owner, data),
 		FungibleHandle::cast,
 	)
 }

--- a/pallets/fungible/src/lib.rs
+++ b/pallets/fungible/src/lib.rs
@@ -87,8 +87,8 @@
 };
 use pallet_evm::account::CrossAccountId;
 use up_data_structs::{
-	AccessMode, CollectionId, CollectionFlags, TokenId, CreateCollectionData,
-	mapping::TokenAddressMapping, budget::Budget, PropertyKey, Property,
+	AccessMode, CollectionId, TokenId, CreateCollectionData, mapping::TokenAddressMapping,
+	budget::Budget, PropertyKey, Property,
 };
 use pallet_common::{
 	Error as CommonError, Event as CommonEvent, Pallet as PalletCommon,
@@ -219,28 +219,18 @@
 	pub fn init_collection(
 		owner: T::CrossAccountId,
 		payer: T::CrossAccountId,
-		data: CreateCollectionData<T::AccountId>,
-		flags: CollectionFlags,
+		data: CreateCollectionData<T::CrossAccountId>,
 	) -> Result<CollectionId, DispatchError> {
-		<PalletCommon<T>>::init_collection(owner, payer, data, flags)
+		<PalletCommon<T>>::init_collection(owner, payer, data)
 	}
 
 	/// Initializes the collection with ForeignCollection flag. Returns [CollectionId] on success, [DispatchError] otherwise.
 	pub fn init_foreign_collection(
 		owner: T::CrossAccountId,
 		payer: T::CrossAccountId,
-		data: CreateCollectionData<T::AccountId>,
+		data: CreateCollectionData<T::CrossAccountId>,
 	) -> Result<CollectionId, DispatchError> {
-		let id = <PalletCommon<T>>::init_collection(
-			owner,
-			payer,
-			data,
-			CollectionFlags {
-				foreign: true,
-				..Default::default()
-			},
-		)?;
-		Ok(id)
+		<PalletCommon<T>>::init_foreign_collection(owner, payer, data)
 	}
 
 	/// Destroys a collection.

binary blob — no preview

--- 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 0x2a14cfd1
+/// @dev the ERC-165 identifier for this interface is 0xb34d97e9
 contract Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -230,47 +230,63 @@
 	// 	dummy = 0;
 	// }
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	/// @dev EVM selector for this function is: 0x112d4586,
-	///  or in textual repr: setCollectionNesting(bool)
-	function setCollectionNesting(bool enable) public {
+	/// @dev EVM selector for this function is: 0x0b9f3890,
+	///  or in textual repr: setCollectionNesting((bool,bool,address[]))
+	function setCollectionNesting(CollectionNestingAndPermission memory collectionNestingAndPermissions) public {
 		require(false, stub_error);
-		enable;
+		collectionNestingAndPermissions;
 		dummy = 0;
 	}
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	/// @param collections Addresses of collections that will be available for nesting.
-	/// @dev EVM selector for this function is: 0x64872396,
-	///  or in textual repr: setCollectionNesting(bool,address[])
-	function setCollectionNesting(bool enable, address[] memory collections) public {
-		require(false, stub_error);
-		enable;
-		collections;
-		dummy = 0;
-	}
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	// /// @dev EVM selector for this function is: 0x112d4586,
+	// ///  or in textual repr: setCollectionNesting(bool)
+	// function setCollectionNesting(bool enable) public {
+	// 	require(false, stub_error);
+	// 	enable;
+	// 	dummy = 0;
+	// }
+
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// /// @param collections Addresses of collections that will be available for nesting.
+	// /// @dev EVM selector for this function is: 0x64872396,
+	// ///  or in textual repr: setCollectionNesting(bool,address[])
+	// function setCollectionNesting(bool enable, address[] memory collections) public {
+	// 	require(false, stub_error);
+	// 	enable;
+	// 	collections;
+	// 	dummy = 0;
+	// }
 
-	/// Returns nesting for a collection
-	/// @dev EVM selector for this function is: 0x22d25bfe,
-	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() public view returns (CollectionNesting memory) {
+	/// @dev EVM selector for this function is: 0x92c660a8,
+	///  or in textual repr: collectionNesting()
+	function collectionNesting() public view returns (CollectionNestingAndPermission memory) {
 		require(false, stub_error);
 		dummy;
-		return CollectionNesting(false, new uint256[](0));
+		return CollectionNestingAndPermission(false, false, new address[](0));
 	}
 
-	/// Returns permissions for a collection
-	/// @dev EVM selector for this function is: 0x5b2eaf4b,
-	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() public view returns (CollectionNestingPermission[] memory) {
-		require(false, stub_error);
-		dummy;
-		return new CollectionNestingPermission[](0);
-	}
+	// /// Returns nesting for a collection
+	// /// @dev EVM selector for this function is: 0x22d25bfe,
+	// ///  or in textual repr: collectionNestingRestrictedCollectionIds()
+	// function collectionNestingRestrictedCollectionIds() public view returns (CollectionNesting memory) {
+	// 	require(false, stub_error);
+	// 	dummy;
+	// 	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 (CollectionNestingPermission[] memory) {
+	// 	require(false, stub_error);
+	// 	dummy;
+	// 	return new CollectionNestingPermission[](0);
+	// }
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -469,6 +485,16 @@
 	uint256[] ids;
 }
 
+/// Nested collections and permissions
+struct CollectionNestingAndPermission {
+	/// Owner of token can nest tokens under it.
+	bool token_owner;
+	/// Admin of token collection can nest tokens under token.
+	bool collection_admin;
+	/// If set - only tokens from specified collections can be nested.
+	address[] restricted;
+}
+
 /// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
 struct CollectionLimit {
 	CollectionLimitField field;

--- a/pallets/nonfungible/src/benchmarking.rs
+++ b/pallets/nonfungible/src/benchmarking.rs
@@ -57,9 +57,7 @@
 	create_collection_raw(
 		owner,
 		CollectionMode::NFT,
-		|owner: T::CrossAccountId, data| {
-			<Pallet<T>>::init_collection(owner.clone(), owner, data, Default::default())
-		},
+		|owner: T::CrossAccountId, data| <Pallet<T>>::init_collection(owner.clone(), owner, data),
 		NonfungibleHandle::cast,
 	)
 }

--- a/pallets/nonfungible/src/lib.rs
+++ b/pallets/nonfungible/src/lib.rs
@@ -100,10 +100,10 @@
 	dispatch::{PostDispatchInfo, Pays},
 };
 use up_data_structs::{
-	AccessMode, CollectionId, CollectionFlags, CustomDataLimit, TokenId, CreateCollectionData,
-	CreateNftExData, mapping::TokenAddressMapping, budget::Budget, Property, PropertyKey,
-	PropertyValue, PropertyKeyPermission, PropertyScope, TrySetProperty, TokenChild,
-	AuxPropertyValue, PropertiesPermissionMap, TokenProperties as TokenPropertiesT,
+	AccessMode, CollectionId, CustomDataLimit, TokenId, CreateCollectionData, CreateNftExData,
+	mapping::TokenAddressMapping, budget::Budget, Property, PropertyKey, PropertyValue,
+	PropertyKeyPermission, PropertyScope, TrySetProperty, TokenChild, AuxPropertyValue,
+	PropertiesPermissionMap, TokenProperties as TokenPropertiesT,
 };
 use pallet_evm::{account::CrossAccountId, Pallet as PalletEvm};
 use pallet_common::{
@@ -424,10 +424,9 @@
 	pub fn init_collection(
 		owner: T::CrossAccountId,
 		payer: T::CrossAccountId,
-		data: CreateCollectionData<T::AccountId>,
-		flags: CollectionFlags,
+		data: CreateCollectionData<T::CrossAccountId>,
 	) -> Result<CollectionId, DispatchError> {
-		<PalletCommon<T>>::init_collection(owner, payer, data, flags)
+		<PalletCommon<T>>::init_collection(owner, payer, data)
 	}
 
 	/// Destroy NFT collection

binary blob — no preview

--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -165,7 +165,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
+/// @dev the ERC-165 identifier for this interface is 0xb34d97e9
 contract Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -377,47 +377,63 @@
 	// 	dummy = 0;
 	// }
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	/// @dev EVM selector for this function is: 0x112d4586,
-	///  or in textual repr: setCollectionNesting(bool)
-	function setCollectionNesting(bool enable) public {
+	/// @dev EVM selector for this function is: 0x0b9f3890,
+	///  or in textual repr: setCollectionNesting((bool,bool,address[]))
+	function setCollectionNesting(CollectionNestingAndPermission memory collectionNestingAndPermissions) public {
 		require(false, stub_error);
-		enable;
+		collectionNestingAndPermissions;
 		dummy = 0;
 	}
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	/// @param collections Addresses of collections that will be available for nesting.
-	/// @dev EVM selector for this function is: 0x64872396,
-	///  or in textual repr: setCollectionNesting(bool,address[])
-	function setCollectionNesting(bool enable, address[] memory collections) public {
-		require(false, stub_error);
-		enable;
-		collections;
-		dummy = 0;
-	}
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	// /// @dev EVM selector for this function is: 0x112d4586,
+	// ///  or in textual repr: setCollectionNesting(bool)
+	// function setCollectionNesting(bool enable) public {
+	// 	require(false, stub_error);
+	// 	enable;
+	// 	dummy = 0;
+	// }
+
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// /// @param collections Addresses of collections that will be available for nesting.
+	// /// @dev EVM selector for this function is: 0x64872396,
+	// ///  or in textual repr: setCollectionNesting(bool,address[])
+	// function setCollectionNesting(bool enable, address[] memory collections) public {
+	// 	require(false, stub_error);
+	// 	enable;
+	// 	collections;
+	// 	dummy = 0;
+	// }
 
-	/// Returns nesting for a collection
-	/// @dev EVM selector for this function is: 0x22d25bfe,
-	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() public view returns (CollectionNesting memory) {
+	/// @dev EVM selector for this function is: 0x92c660a8,
+	///  or in textual repr: collectionNesting()
+	function collectionNesting() public view returns (CollectionNestingAndPermission memory) {
 		require(false, stub_error);
 		dummy;
-		return CollectionNesting(false, new uint256[](0));
+		return CollectionNestingAndPermission(false, false, new address[](0));
 	}
 
-	/// Returns permissions for a collection
-	/// @dev EVM selector for this function is: 0x5b2eaf4b,
-	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() public view returns (CollectionNestingPermission[] memory) {
-		require(false, stub_error);
-		dummy;
-		return new CollectionNestingPermission[](0);
-	}
+	// /// Returns nesting for a collection
+	// /// @dev EVM selector for this function is: 0x22d25bfe,
+	// ///  or in textual repr: collectionNestingRestrictedCollectionIds()
+	// function collectionNestingRestrictedCollectionIds() public view returns (CollectionNesting memory) {
+	// 	require(false, stub_error);
+	// 	dummy;
+	// 	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 (CollectionNestingPermission[] memory) {
+	// 	require(false, stub_error);
+	// 	dummy;
+	// 	return new CollectionNestingPermission[](0);
+	// }
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -616,6 +632,16 @@
 	uint256[] ids;
 }
 
+/// Nested collections and permissions
+struct CollectionNestingAndPermission {
+	/// Owner of token can nest tokens under it.
+	bool token_owner;
+	/// Admin of token collection can nest tokens under token.
+	bool collection_admin;
+	/// If set - only tokens from specified collections can be nested.
+	address[] restricted;
+}
+
 /// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
 struct CollectionLimit {
 	CollectionLimitField field;

--- a/pallets/refungible/src/benchmarking.rs
+++ b/pallets/refungible/src/benchmarking.rs
@@ -61,9 +61,7 @@
 	create_collection_raw(
 		owner,
 		CollectionMode::ReFungible,
-		|owner: T::CrossAccountId, data| {
-			<Pallet<T>>::init_collection(owner.clone(), owner, data, Default::default())
-		},
+		|owner: T::CrossAccountId, data| <Pallet<T>>::init_collection(owner.clone(), owner, data),
 		RefungibleHandle::cast,
 	)
 }

--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -104,11 +104,10 @@
 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, CreateCollectionData,
-	mapping::TokenAddressMapping, MAX_REFUNGIBLE_PIECES, Property, PropertyKey,
-	PropertyKeyPermission, PropertyScope, PropertyValue, TokenId, TrySetProperty,
-	PropertiesPermissionMap, CreateRefungibleExMultipleOwners, TokenOwnerError,
-	TokenProperties as TokenPropertiesT,
+	AccessMode, budget::Budget, CollectionId, CreateCollectionData, mapping::TokenAddressMapping,
+	MAX_REFUNGIBLE_PIECES, Property, PropertyKey, PropertyKeyPermission, PropertyScope,
+	PropertyValue, TokenId, TrySetProperty, PropertiesPermissionMap,
+	CreateRefungibleExMultipleOwners, TokenOwnerError, TokenProperties as TokenPropertiesT,
 };
 
 pub use pallet::*;
@@ -334,10 +333,9 @@
 	pub fn init_collection(
 		owner: T::CrossAccountId,
 		payer: T::CrossAccountId,
-		data: CreateCollectionData<T::AccountId>,
-		flags: CollectionFlags,
+		data: CreateCollectionData<T::CrossAccountId>,
 	) -> Result<CollectionId, DispatchError> {
-		<PalletCommon<T>>::init_collection(owner, payer, data, flags)
+		<PalletCommon<T>>::init_collection(owner, payer, data)
 	}
 
 	/// Destroy RFT collection

binary blob — no preview

--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -165,7 +165,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
+/// @dev the ERC-165 identifier for this interface is 0xb34d97e9
 contract Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -377,47 +377,63 @@
 	// 	dummy = 0;
 	// }
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	/// @dev EVM selector for this function is: 0x112d4586,
-	///  or in textual repr: setCollectionNesting(bool)
-	function setCollectionNesting(bool enable) public {
+	/// @dev EVM selector for this function is: 0x0b9f3890,
+	///  or in textual repr: setCollectionNesting((bool,bool,address[]))
+	function setCollectionNesting(CollectionNestingAndPermission memory collectionNestingAndPermissions) public {
 		require(false, stub_error);
-		enable;
+		collectionNestingAndPermissions;
 		dummy = 0;
 	}
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	/// @param collections Addresses of collections that will be available for nesting.
-	/// @dev EVM selector for this function is: 0x64872396,
-	///  or in textual repr: setCollectionNesting(bool,address[])
-	function setCollectionNesting(bool enable, address[] memory collections) public {
-		require(false, stub_error);
-		enable;
-		collections;
-		dummy = 0;
-	}
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	// /// @dev EVM selector for this function is: 0x112d4586,
+	// ///  or in textual repr: setCollectionNesting(bool)
+	// function setCollectionNesting(bool enable) public {
+	// 	require(false, stub_error);
+	// 	enable;
+	// 	dummy = 0;
+	// }
+
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// /// @param collections Addresses of collections that will be available for nesting.
+	// /// @dev EVM selector for this function is: 0x64872396,
+	// ///  or in textual repr: setCollectionNesting(bool,address[])
+	// function setCollectionNesting(bool enable, address[] memory collections) public {
+	// 	require(false, stub_error);
+	// 	enable;
+	// 	collections;
+	// 	dummy = 0;
+	// }
 
-	/// Returns nesting for a collection
-	/// @dev EVM selector for this function is: 0x22d25bfe,
-	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() public view returns (CollectionNesting memory) {
+	/// @dev EVM selector for this function is: 0x92c660a8,
+	///  or in textual repr: collectionNesting()
+	function collectionNesting() public view returns (CollectionNestingAndPermission memory) {
 		require(false, stub_error);
 		dummy;
-		return CollectionNesting(false, new uint256[](0));
+		return CollectionNestingAndPermission(false, false, new address[](0));
 	}
 
-	/// Returns permissions for a collection
-	/// @dev EVM selector for this function is: 0x5b2eaf4b,
-	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() public view returns (CollectionNestingPermission[] memory) {
-		require(false, stub_error);
-		dummy;
-		return new CollectionNestingPermission[](0);
-	}
+	// /// Returns nesting for a collection
+	// /// @dev EVM selector for this function is: 0x22d25bfe,
+	// ///  or in textual repr: collectionNestingRestrictedCollectionIds()
+	// function collectionNestingRestrictedCollectionIds() public view returns (CollectionNesting memory) {
+	// 	require(false, stub_error);
+	// 	dummy;
+	// 	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 (CollectionNestingPermission[] memory) {
+	// 	require(false, stub_error);
+	// 	dummy;
+	// 	return new CollectionNestingPermission[](0);
+	// }
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -616,6 +632,16 @@
 	uint256[] ids;
 }
 
+/// Nested collections and permissions
+struct CollectionNestingAndPermission {
+	/// Owner of token can nest tokens under it.
+	bool token_owner;
+	/// Admin of token collection can nest tokens under token.
+	bool collection_admin;
+	/// If set - only tokens from specified collections can be nested.
+	address[] restricted;
+}
+
 /// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
 struct CollectionLimit {
 	CollectionLimitField field;

--- a/pallets/structure/src/benchmarking.rs
+++ b/pallets/structure/src/benchmarking.rs
@@ -40,7 +40,6 @@
 				mode: CollectionMode::NFT,
 				..Default::default()
 			},
-			CollectionFlags::default(),
 		)?;
 		let dispatch = T::CollectionDispatch::dispatch(CollectionId(1))?;
 		let dispatch = dispatch.as_dyn();

--- a/pallets/unique/Cargo.toml
+++ b/pallets/unique/Cargo.toml
@@ -47,6 +47,7 @@
 frame-benchmarking = { workspace = true, optional = true }
 frame-support = { workspace = true }
 frame-system = { workspace = true }
+log = { workspace = true }
 pallet-balances-adapter = { workspace = true }
 pallet-common = { workspace = true }
 pallet-evm = { workspace = true }

--- a/pallets/unique/src/eth/mod.rs
+++ b/pallets/unique/src/eth/mod.rs
@@ -15,18 +15,16 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 //! Implementation of CollectionHelpers contract.
-
+//!
 use core::marker::PhantomData;
 use ethereum as _;
 use evm_coder::{abi::AbiType, generate_stubgen, solidity_interface, types::*};
-use frame_support::traits::Get;
-use crate::Pallet;
-
+use frame_support::{BoundedVec, traits::Get};
 use pallet_common::{
 	CollectionById,
 	dispatch::CollectionDispatch,
 	erc::{CollectionHelpersEvents, static_property::key},
-	eth::{map_eth_to_id, collection_id_to_address},
+	eth::{self, map_eth_to_id, collection_id_to_address},
 	Pallet as PalletCommon, CollectionHandle,
 };
 use pallet_evm::{account::CrossAccountId, OnMethodCall, PrecompileHandle, PrecompileResult};
@@ -36,13 +34,13 @@
 	frontier_contract,
 };
 use up_data_structs::{
-	CollectionDescription, CollectionMode, CollectionName, CollectionTokenPrefix,
-	CreateCollectionData,
+	CollectionDescription, CollectionMode, CollectionName, CollectionPermissions,
+	CollectionTokenPrefix, CreateCollectionData, NestingPermissions,
 };
 
-use crate::{weights::WeightInfo, Config, SelfWeightOf};
+use crate::{weights::WeightInfo, Config, Pallet, SelfWeightOf};
 
-use alloc::format;
+use alloc::{format, collections::BTreeSet};
 use sp_std::vec::Vec;
 
 frontier_contract! {
@@ -113,9 +111,8 @@
 	let collection_helpers_address =
 		T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());
 
-	let collection_id =
-		T::CollectionDispatch::create(caller, collection_helpers_address, data, Default::default())
-			.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
+	let collection_id = T::CollectionDispatch::create(caller, collection_helpers_address, data)
+		.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
 	let address = pallet_common::eth::collection_id_to_address(collection_id);
 	Ok(address)
 }
@@ -140,7 +137,119 @@
 impl<T> EvmCollectionHelpers<T>
 where
 	T: Config + pallet_common::Config + pallet_nonfungible::Config + pallet_refungible::Config,
+	T::AccountId: From<[u8; 32]>,
 {
+/*
+	/// Create a collection
+	/// @return address Address of the newly created collection
+	#[weight(<SelfWeightOf<T>>::create_collection())]
+	#[solidity(rename_selector = "createCollection")]
+	fn create_collection(
+		&mut self,
+		caller: Caller,
+		value: Value,
+		data: eth::CreateCollectionData,
+	) -> Result<Address> {
+		let (caller, name, description, token_prefix) =
+			convert_data::<T>(caller, data.name, data.description, data.token_prefix)?;
+		if data.mode != eth::CollectionMode::Fungible && data.decimals != 0 {
+			return Err("decimals are only supported for NFT and RFT collections".into());
+		}
+		let mode = match data.mode {
+			eth::CollectionMode::Fungible => CollectionMode::Fungible(data.decimals),
+			eth::CollectionMode::Nonfungible => CollectionMode::NFT,
+			eth::CollectionMode::Refungible => CollectionMode::ReFungible,
+		};
+
+		let properties: BoundedVec<_, _> = data
+			.properties
+			.into_iter()
+			.map(eth::Property::try_into)
+			.collect::<Result<Vec<_>>>()?
+			.try_into()
+			.map_err(|_| "too many properties")?;
+
+		let token_property_permissions =
+			eth::TokenPropertyPermission::into_property_key_permissions(
+				data.token_property_permissions,
+			)?
+			.try_into()
+			.map_err(|_| "too many property permissions")?;
+
+		let limits = if !data.limits.is_empty() {
+			Some(
+				data.limits
+					.into_iter()
+					.collect::<Result<up_data_structs::CollectionLimits>>()?,
+			)
+		} else {
+			None
+		};
+
+		let pending_sponsor = data.pending_sponsor.into_option_sub_cross_account::<T>()?;
+
+		let restricted = if !data.nesting_settings.restricted.is_empty() {
+			Some(
+				data.nesting_settings
+					.restricted
+					.iter()
+					.map(map_eth_to_id)
+					.collect::<Option<BTreeSet<_>>>()
+					.ok_or("can't convert address into collection id")?
+					.try_into()
+					.map_err(|_| "too many collections")?,
+			)
+		} else {
+			None
+		};
+
+		let admin_list = data
+			.admin_list
+			.into_iter()
+			.map(|admin| admin.into_sub_cross_account::<T>())
+			.collect::<Result<Vec<_>>>()?;
+
+		let flags = data.flags;
+		if !flags.is_allowed_for_user() {
+			return Err("internal flags were used".into());
+		}
+
+		let data = CreateCollectionData {
+			name,
+			mode,
+			description,
+			token_prefix,
+			properties,
+			token_property_permissions,
+			limits,
+			pending_sponsor,
+			access: None,
+			permissions: Some(CollectionPermissions {
+				access: None,
+				mint_mode: None,
+				nesting: Some(NestingPermissions {
+					token_owner: data.nesting_settings.token_owner,
+					collection_admin: data.nesting_settings.collection_admin,
+					restricted,
+					#[cfg(feature = "runtime-benchmarks")]
+					permissive: true,
+				}),
+			}),
+			admin_list,
+			flags,
+		};
+		check_sent_amount_equals_collection_creation_price::<T>(value)?;
+		let collection_helpers_address =
+			T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());
+
+		let collection_id = T::CollectionDispatch::create(caller, collection_helpers_address, data)
+			.map_err(dispatch_to_evm::<T>)?;
+
+		let address = pallet_common::eth::collection_id_to_address(collection_id);
+		Ok(address)
+	}
+*/
+
 	/// Create an NFT collection
 	/// @param name Name of the collection
 	/// @param description Informative description of the collection
@@ -168,13 +277,8 @@
 		check_sent_amount_equals_collection_creation_price::<T>(value)?;
 		let collection_helpers_address =
 			T::CrossAccountId::from_eth(<T as pallet_common::Config>::ContractAddress::get());
-		let collection_id = T::CollectionDispatch::create(
-			caller,
-			collection_helpers_address,
-			data,
-			Default::default(),
-		)
-		.map_err(dispatch_to_evm::<T>)?;
+		let collection_id = T::CollectionDispatch::create(caller, collection_helpers_address, data)
+			.map_err(dispatch_to_evm::<T>)?;
 
 		let address = pallet_common::eth::collection_id_to_address(collection_id);
 		Ok(address)
@@ -387,6 +491,8 @@
 pub struct CollectionHelpersOnMethodCall<T: Config>(PhantomData<*const T>);
 impl<T: Config + pallet_nonfungible::Config + pallet_refungible::Config> OnMethodCall<T>
 	for CollectionHelpersOnMethodCall<T>
+where
+	T::AccountId: From<[u8; 32]>,
 {
 	fn is_reserved(contract: &sp_core::H160) -> bool {
 		contract == &T::ContractAddress::get()

binary blob — no preview

--- a/pallets/unique/src/eth/stubs/CollectionHelpers.sol
+++ b/pallets/unique/src/eth/stubs/CollectionHelpers.sol
@@ -25,8 +25,19 @@
 }
 
 /// @title Contract, which allows users to operate with collections
-/// @dev the ERC-165 identifier for this interface is 0xe65011aa
+/// @dev the ERC-165 identifier for this interface is 0x4135fff1
 contract CollectionHelpers is Dummy, ERC165, CollectionHelpersEvents {
+	/// Create a collection
+	/// @return address Address of the newly created collection
+	/// @dev EVM selector for this function is: 0xa765ee5b,
+	///  or in textual repr: createCollection(((address,uint256),string,string,string,uint8,uint8,(string,bytes)[],(string,(uint8,bool)[])[],(address,uint256)[],(bool,bool,address[]),(uint8,uint256)[],uint8))
+	function createCollection(CreateCollectionData memory data) public payable returns (address) {
+		require(false, stub_error);
+		data;
+		dummy = 0;
+		return 0x0000000000000000000000000000000000000000;
+	}
+
 	/// Create an NFT collection
 	/// @param name Name of the collection
 	/// @param description Informative description of the collection
@@ -156,3 +167,135 @@
 		return 0;
 	}
 }
+
+/// Collection properties
+struct CreateCollectionData {
+	/// Collection sponsor
+	CrossAddress pending_sponsor;
+	/// Collection name
+	string name;
+	/// Collection description
+	string description;
+	/// Token prefix
+	string token_prefix;
+	/// Token type (NFT, FT or RFT)
+	CollectionMode mode;
+	/// Fungible token precision
+	uint8 decimals;
+	/// Custom Properties
+	Property[] properties;
+	/// Permissions for token properties
+	TokenPropertyPermission[] token_property_permissions;
+	/// Collection admins
+	CrossAddress[] admin_list;
+	/// Nesting settings
+	CollectionNestingAndPermission nesting_settings;
+	/// Collection limits
+	CollectionLimitValue[] limits;
+	/// Extra collection flags
+	CollectionFlags flags;
+}
+
+/// Cross account struct
+type CollectionFlags is uint8;
+
+library CollectionFlagsLib {
+	/// Tokens in foreign collections can be transferred, but not burnt
+	CollectionFlags constant foreignField = CollectionFlags.wrap(128);
+	/// Supports ERC721Metadata
+	CollectionFlags constant erc721metadataField = CollectionFlags.wrap(64);
+	/// External collections can't be managed using `unique` api
+	CollectionFlags constant externalField = CollectionFlags.wrap(1);
+
+	/// Reserved bits
+	function reservedField(uint8 value) public pure returns (CollectionFlags) {
+		require(value < 1 << 5, "out of bound value");
+		return CollectionFlags.wrap(value << 1);
+	}
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+struct CollectionLimitValue {
+	CollectionLimitField field;
+	uint256 value;
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.
+enum CollectionLimitField {
+	/// How many tokens can a user have on one account.
+	AccountTokenOwnership,
+	/// How many bytes of data are available for sponsorship.
+	SponsoredDataSize,
+	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	SponsoredDataRateLimit,
+	/// How many tokens can be mined into this collection.
+	TokenLimit,
+	/// Timeouts for transfer sponsoring.
+	SponsorTransferTimeout,
+	/// Timeout for sponsoring an approval in passed blocks.
+	SponsorApproveTimeout,
+	/// Whether the collection owner of the collection can send tokens (which belong to other users).
+	OwnerCanTransfer,
+	/// Can the collection owner burn other people's tokens.
+	OwnerCanDestroy,
+	/// Is it possible to send tokens from this collection between users.
+	TransferEnabled
+}
+
+/// Nested collections and permissions
+struct CollectionNestingAndPermission {
+	/// Owner of token can nest tokens under it.
+	bool token_owner;
+	/// Admin of token collection can nest tokens under token.
+	bool collection_admin;
+	/// If set - only tokens from specified collections can be nested.
+	address[] restricted;
+}
+
+/// Cross account struct
+struct CrossAddress {
+	address eth;
+	uint256 sub;
+}
+
+/// Ethereum representation of Token Property Permissions.
+struct TokenPropertyPermission {
+	/// Token property key.
+	string key;
+	/// Token property permissions.
+	PropertyPermission[] permissions;
+}
+
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) as an key and value.
+struct PropertyPermission {
+	/// TokenPermission field.
+	TokenPermissionField code;
+	/// TokenPermission value.
+	bool value;
+}
+
+/// 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
+}
+
+/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
+struct Property {
+	string key;
+	bytes value;
+}
+
+/// Type of tokens in collection
+enum CollectionMode {
+	/// Fungible
+	Fungible,
+	/// Nonfungible
+	Nonfungible,
+	/// Refungible
+	Refungible
+}

--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -365,7 +365,7 @@
 			token_prefix: BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>,
 			mode: CollectionMode,
 		) -> DispatchResult {
-			let data: CreateCollectionData<T::AccountId> = CreateCollectionData {
+			let data: CreateCollectionData<T::CrossAccountId> = CreateCollectionData {
 				name: collection_name,
 				description: collection_description,
 				token_prefix,
@@ -390,14 +390,13 @@
 		#[pallet::weight(<SelfWeightOf<T>>::create_collection())]
 		pub fn create_collection_ex(
 			origin: OriginFor<T>,
-			data: CreateCollectionData<T::AccountId>,
+			data: CreateCollectionData<T::CrossAccountId>,
 		) -> DispatchResult {
 			let sender = ensure_signed(origin)?;
 
 			// =========
 			let sender = T::CrossAccountId::from_sub(sender);
-			let _id =
-				T::CollectionDispatch::create(sender.clone(), sender, data, Default::default())?;
+			let _id = T::CollectionDispatch::create(sender.clone(), sender, data)?;
 
 			Ok(())
 		}

--- a/primitives/data-structs/Cargo.toml
+++ b/primitives/data-structs/Cargo.toml
@@ -22,6 +22,7 @@
 sp-std = { workspace = true }
 bondrewd = { version = "0.1.14", features = ["derive"], default-features = false }
 struct-versioning = { workspace = true }
+evm-coder = { workspace = true }
 
 [features]
 default = ["std"]

--- a/primitives/data-structs/src/lib.rs
+++ b/primitives/data-structs/src/lib.rs
@@ -32,11 +32,13 @@
 
 use sp_core::U256;
 use sp_runtime::{ArithmeticError, sp_std::prelude::Vec};
+use sp_std::collections::btree_set::BTreeSet;
 use codec::{Decode, Encode, EncodeLike, MaxEncodedLen};
-use bondrewd::Bitfields;
 use frame_support::{BoundedVec, traits::ConstU32};
 use derivative::Derivative;
 use scale_info::TypeInfo;
+use evm_coder::AbiCoderFlags;
+use bondrewd::Bitfields;
 
 mod bondrewd_codec;
 mod bounded;
@@ -163,6 +165,14 @@
 	}
 }
 
+impl Deref for CollectionId {
+	type Target = u32;
+
+	fn deref(&self) -> &Self::Target {
+		&self.0
+	}
+}
+
 /// Token id.
 #[derive(
 	Encode,
@@ -350,7 +360,7 @@
 pub type CollectionDescription = BoundedVec<u16, ConstU32<MAX_COLLECTION_DESCRIPTION_LENGTH>>;
 pub type CollectionTokenPrefix = BoundedVec<u8, ConstU32<MAX_TOKEN_PREFIX_LENGTH>>;
 
-#[derive(Bitfields, Clone, Copy, PartialEq, Eq, Debug, Default)]
+#[derive(AbiCoderFlags, Bitfields, Clone, Copy, PartialEq, Eq, Debug, Default)]
 #[bondrewd(enforce_bytes = 1)]
 pub struct CollectionFlags {
 	/// Tokens in foreign collections can be transferred, but not burnt
@@ -362,12 +372,18 @@
 	/// External collections can't be managed using `unique` api
 	#[bondrewd(bits = "7..8")]
 	pub external: bool,
-
-	#[bondrewd(reserve, bits = "2..7")]
+	/// Reserved flags
+	#[bondrewd(bits = "2..7")]
 	pub reserved: u8,
 }
 bondrewd_codec!(CollectionFlags);
 
+impl CollectionFlags {
+	pub fn is_allowed_for_user(self) -> bool {
+		!self.foreign && !self.external && self.reserved == 0
+	}
+}
+
 /// Base structure for represent collection.
 ///
 /// Used to provide basic functionality for all types of collections.
@@ -545,7 +561,7 @@
 /// All fields are wrapped in [`Option`], where `None` means chain default.
 #[derive(Encode, Decode, Clone, PartialEq, TypeInfo, Derivative, MaxEncodedLen)]
 #[derivative(Debug, Default(bound = ""))]
-pub struct CreateCollectionData<AccountId> {
+pub struct CreateCollectionData<CrossAccountId> {
 	/// Collection mode.
 	#[derivative(Default(value = "CollectionMode::NFT"))]
 	pub mode: CollectionMode,
@@ -562,9 +578,6 @@
 	/// Token prefix.
 	pub token_prefix: CollectionTokenPrefix,
 
-	/// Pending collection sponsor.
-	pub pending_sponsor: Option<AccountId>,
-
 	/// Collection limits.
 	pub limits: Option<CollectionLimits>,
 
@@ -576,6 +589,13 @@
 
 	/// Collection properties.
 	pub properties: CollectionPropertiesVec,
+
+	pub admin_list: Vec<CrossAccountId>,
+
+	/// Pending collection sponsor.
+	pub pending_sponsor: Option<CrossAccountId>,
+
+	pub flags: CollectionFlags,
 }
 
 /// Bounded vector of properties permissions. Max length is [`MAX_PROPERTIES_PER_ITEM`].
@@ -833,6 +853,14 @@
 	}
 }
 
+impl TryFrom<BTreeSet<CollectionId>> for OwnerRestrictedSet {
+	type Error = ();
+
+	fn try_from(value: BTreeSet<CollectionId>) -> Result<Self, Self::Error> {
+		Ok(Self(value.try_into()?))
+	}
+}
+
 /// Part of collection permissions, if set, defines who is able to nest tokens into other tokens.
 #[derive(Encode, Decode, Clone, PartialEq, TypeInfo, MaxEncodedLen, Derivative)]
 #[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]

--- a/runtime/common/dispatch.rs
+++ b/runtime/common/dispatch.rs
@@ -25,14 +25,14 @@
 };
 pub use pallet_common::dispatch::CollectionDispatch;
 use pallet_fungible::{Pallet as PalletFungible, FungibleHandle};
-use pallet_balances_adapter::{NativeFungibleHandle};
+use pallet_balances_adapter::NativeFungibleHandle;
 use pallet_nonfungible::{Pallet as PalletNonfungible, NonfungibleHandle};
 use pallet_refungible::{
 	Pallet as PalletRefungible, RefungibleHandle, erc_token::RefungibleTokenHandle,
 };
 use up_data_structs::{
 	CollectionMode, CreateCollectionData, MAX_DECIMAL_POINTS, mapping::TokenAddressMapping,
-	CollectionId, CollectionFlags,
+	CollectionId,
 };
 
 #[cfg(not(feature = "refungible"))]
@@ -72,26 +72,21 @@
 	fn create(
 		sender: T::CrossAccountId,
 		payer: T::CrossAccountId,
-		data: CreateCollectionData<T::AccountId>,
-		flags: CollectionFlags,
+		data: CreateCollectionData<T::CrossAccountId>,
 	) -> Result<CollectionId, DispatchError> {
 		let id = match data.mode {
-			CollectionMode::NFT => {
-				<PalletNonfungible<T>>::init_collection(sender, payer, data, flags)?
-			}
+			CollectionMode::NFT => <PalletNonfungible<T>>::init_collection(sender, payer, data)?,
 			CollectionMode::Fungible(decimal_points) => {
 				// check params
 				ensure!(
 					decimal_points <= MAX_DECIMAL_POINTS,
 					pallet_unique::Error::<T>::CollectionDecimalPointLimitExceeded
 				);
-				<PalletFungible<T>>::init_collection(sender, payer, data, flags)?
+				<PalletFungible<T>>::init_collection(sender, payer, data)?
 			}
 
 			#[cfg(feature = "refungible")]
-			CollectionMode::ReFungible => {
-				<PalletRefungible<T>>::init_collection(sender, payer, data, flags)?
-			}
+			CollectionMode::ReFungible => <PalletRefungible<T>>::init_collection(sender, payer, data)?,
 
 			#[cfg(not(feature = "refungible"))]
 			CollectionMode::ReFungible => return unsupported!(T),

--- a/runtime/common/ethereum/sponsoring.rs
+++ b/runtime/common/ethereum/sponsoring.rs
@@ -234,6 +234,7 @@
 			| CollectionOwner
 			| CollectionAdmins
 			| CollectionLimits
+			| CollectionNesting
 			| CollectionNestingRestrictedIds
 			| CollectionNestingPermissions
 			| UniqueCollectionType => None,
@@ -249,6 +250,7 @@
 			| RemoveCollectionAdmin { .. }
 			| SetNestingBool { .. }
 			| SetNesting { .. }
+			| SetNestingCollectionIds { .. }
 			| SetCollectionAccess { .. }
 			| SetCollectionMintMode { .. }
 			| SetOwner { .. }

--- a/tests/src/benchmarks/opsFee/index.ts
+++ b/tests/src/benchmarks/opsFee/index.ts
@@ -1,6 +1,6 @@
 import {EthUniqueHelper, usingEthPlaygrounds} from '../../eth/util';
 import {readFile} from 'fs/promises';
-import {CollectionLimitField,  TokenPermissionField} from '../../eth/util/playgrounds/types';
+import {CollectionLimitField,  CreateCollectionData,  TokenPermissionField} from '../../eth/util/playgrounds/types';
 import {IKeyringPair} from '@polkadot/types/types';
 import {UniqueFTCollection, UniqueNFTCollection} from '../../util/playgrounds/unique';
 import {Contract} from 'web3-eth-contract';
@@ -399,7 +399,7 @@
     () => collection.setLimits(donor, {accountTokenOwnershipLimit: 1000}),
   )));
 
-  const {collectionAddress} = await helper.eth.createCollection('nft', ethSigner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(ethSigner, new CreateCollectionData('A', 'B', 'C', 'nft')).send();
   const collectionWithEthOwner = await helper.ethNativeContract.collection(collectionAddress, 'nft', ethSigner, true);
 
 
@@ -775,7 +775,7 @@
     () => collection.setLimits(donor, {accountTokenOwnershipLimit: 1000}),
   )));
 
-  const {collectionAddress} = await helper.eth.createCollection('nft', ethSigner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(ethSigner, new CreateCollectionData('A', 'B', 'C', 'nft')).send();
   const collectionWithEthOwner = await helper.ethNativeContract.collection(collectionAddress, 'nft', ethSigner, true);
 
 

--- a/tests/src/createCollection.test.ts
+++ b/tests/src/createCollection.test.ts
@@ -16,7 +16,7 @@
 
 import {IKeyringPair} from '@polkadot/types/types';
 import {usingPlaygrounds, expect, itSub, Pallets} from './util';
-import {ICollectionCreationOptions, IProperty} from './util/playgrounds/types';
+import {CollectionFlag, ICollectionCreationOptions, IProperty} from './util/playgrounds/types';
 import {UniqueHelper} from './util/playgrounds/unique';
 
 async function mintCollectionHelper(helper: UniqueHelper, signer: IKeyringPair, options: ICollectionCreationOptions, type?: 'nft' | 'fungible' | 'refungible') {
@@ -36,6 +36,16 @@
   if(options.properties) {
     expect(data?.raw.properties).to.be.deep.equal(options.properties);
   }
+  if(options.adminList) {
+    expect(data?.admins).to.be.deep.equal(options.adminList);
+  }
+
+  if(options.flags) {
+    if((options.flags[0] & 64) != 0)
+      expect(data?.raw.flags.erc721metadata).to.be.true;
+    if((options.flags[0] & 128) != 0)
+      expect(data?.raw.flags.foreign).to.be.false;
+  }
 
   if(options.tokenPropertyPermissions) {
     expect(data?.raw.tokenPropertyPermissions).to.be.deep.equal(options.tokenPropertyPermissions);
@@ -46,11 +56,12 @@
 
 describe('integration test: ext. createCollection():', () => {
   let alice: IKeyringPair;
+  let bob: IKeyringPair;
 
   before(async () => {
     await usingPlaygrounds(async (helper, privateKey) => {
       const donor = await privateKey({url: import.meta.url});
-      [alice] = await helper.arrange.createAccounts([100n], donor);
+      [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
   itSub('Create new NFT collection', async ({helper}) => {
@@ -82,6 +93,30 @@
     }, 'nft');
   });
 
+  itSub('create new collection with admin', async ({helper}) => {
+    await mintCollectionHelper(helper, alice, {
+      name: 'name', description: 'descr', tokenPrefix: 'COL',
+      adminList: [{Substrate: bob.address}],
+    }, 'nft');
+  });
+
+  itSub('create new collection with flags', async ({helper}) => {
+    await mintCollectionHelper(helper, alice, {
+      name: 'name', description: 'descr', tokenPrefix: 'COL',
+      flags: [CollectionFlag.Erc721metadata],
+    }, 'nft');
+
+    await mintCollectionHelper(helper, alice, {
+      name: 'name', description: 'descr', tokenPrefix: 'COL',
+      flags: [CollectionFlag.Foreign],
+    }, 'nft');
+
+    await mintCollectionHelper(helper, alice, {
+      name: 'name', description: 'descr', tokenPrefix: 'COL',
+      flags: [CollectionFlag.Erc721metadata, CollectionFlag.Foreign],
+    }, 'nft');
+  });
+
   itSub('Create new collection with extra fields', async ({helper}) => {
     const collection = await mintCollectionHelper(helper, alice, {name: 'name', description: 'descr', tokenPrefix: 'COL'}, 'fungible');
     await collection.setPermissions(alice, {access: 'AllowList'});

--- a/tests/src/eth/abi/collectionHelpers.json
+++ b/tests/src/eth/abi/collectionHelpers.json
@@ -75,6 +75,118 @@
   },
   {
     "inputs": [
+      {
+        "components": [
+          {
+            "components": [
+              { "internalType": "address", "name": "eth", "type": "address" },
+              { "internalType": "uint256", "name": "sub", "type": "uint256" }
+            ],
+            "internalType": "struct CrossAddress",
+            "name": "pending_sponsor",
+            "type": "tuple"
+          },
+          { "internalType": "string", "name": "name", "type": "string" },
+          { "internalType": "string", "name": "description", "type": "string" },
+          {
+            "internalType": "string",
+            "name": "token_prefix",
+            "type": "string"
+          },
+          {
+            "internalType": "enum CollectionMode",
+            "name": "mode",
+            "type": "uint8"
+          },
+          { "internalType": "uint8", "name": "decimals", "type": "uint8" },
+          {
+            "components": [
+              { "internalType": "string", "name": "key", "type": "string" },
+              { "internalType": "bytes", "name": "value", "type": "bytes" }
+            ],
+            "internalType": "struct Property[]",
+            "name": "properties",
+            "type": "tuple[]"
+          },
+          {
+            "components": [
+              { "internalType": "string", "name": "key", "type": "string" },
+              {
+                "components": [
+                  {
+                    "internalType": "enum TokenPermissionField",
+                    "name": "code",
+                    "type": "uint8"
+                  },
+                  { "internalType": "bool", "name": "value", "type": "bool" }
+                ],
+                "internalType": "struct PropertyPermission[]",
+                "name": "permissions",
+                "type": "tuple[]"
+              }
+            ],
+            "internalType": "struct TokenPropertyPermission[]",
+            "name": "token_property_permissions",
+            "type": "tuple[]"
+          },
+          {
+            "components": [
+              { "internalType": "address", "name": "eth", "type": "address" },
+              { "internalType": "uint256", "name": "sub", "type": "uint256" }
+            ],
+            "internalType": "struct CrossAddress[]",
+            "name": "admin_list",
+            "type": "tuple[]"
+          },
+          {
+            "components": [
+              { "internalType": "bool", "name": "token_owner", "type": "bool" },
+              {
+                "internalType": "bool",
+                "name": "collection_admin",
+                "type": "bool"
+              },
+              {
+                "internalType": "address[]",
+                "name": "restricted",
+                "type": "address[]"
+              }
+            ],
+            "internalType": "struct CollectionNestingAndPermission",
+            "name": "nesting_settings",
+            "type": "tuple"
+          },
+          {
+            "components": [
+              {
+                "internalType": "enum CollectionLimitField",
+                "name": "field",
+                "type": "uint8"
+              },
+              { "internalType": "uint256", "name": "value", "type": "uint256" }
+            ],
+            "internalType": "struct CollectionLimitValue[]",
+            "name": "limits",
+            "type": "tuple[]"
+          },
+          {
+            "internalType": "CollectionFlags",
+            "name": "flags",
+            "type": "uint8"
+          }
+        ],
+        "internalType": "struct CreateCollectionData",
+        "name": "data",
+        "type": "tuple"
+      }
+    ],
+    "name": "createCollection",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "string", "name": "name", "type": "string" },
       { "internalType": "uint8", "name": "decimals", "type": "uint8" },
       { "internalType": "string", "name": "description", "type": "string" },

--- a/tests/src/eth/abi/fungible.json
+++ b/tests/src/eth/abi/fungible.json
@@ -280,35 +280,23 @@
   },
   {
     "inputs": [],
-    "name": "collectionNestingPermissions",
+    "name": "collectionNesting",
     "outputs": [
       {
         "components": [
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
           {
-            "internalType": "enum CollectionPermissionField",
-            "name": "field",
-            "type": "uint8"
+            "internalType": "bool",
+            "name": "collection_admin",
+            "type": "bool"
           },
-          { "internalType": "bool", "name": "value", "type": "bool" }
-        ],
-        "internalType": "struct CollectionNestingPermission[]",
-        "name": "",
-        "type": "tuple[]"
-      }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "collectionNestingRestrictedCollectionIds",
-    "outputs": [
-      {
-        "components": [
-          { "internalType": "bool", "name": "token_owner", "type": "bool" },
-          { "internalType": "uint256[]", "name": "ids", "type": "uint256[]" }
+          {
+            "internalType": "address[]",
+            "name": "restricted",
+            "type": "address[]"
+          }
         ],
-        "internalType": "struct CollectionNesting",
+        "internalType": "struct CollectionNestingAndPermission",
         "name": "",
         "type": "tuple"
       }
@@ -576,19 +564,24 @@
     "type": "function"
   },
   {
-    "inputs": [{ "internalType": "bool", "name": "enable", "type": "bool" }],
-    "name": "setCollectionNesting",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
     "inputs": [
-      { "internalType": "bool", "name": "enable", "type": "bool" },
       {
-        "internalType": "address[]",
-        "name": "collections",
-        "type": "address[]"
+        "components": [
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
+          {
+            "internalType": "bool",
+            "name": "collection_admin",
+            "type": "bool"
+          },
+          {
+            "internalType": "address[]",
+            "name": "restricted",
+            "type": "address[]"
+          }
+        ],
+        "internalType": "struct CollectionNestingAndPermission",
+        "name": "collectionNestingAndPermissions",
+        "type": "tuple"
       }
     ],
     "name": "setCollectionNesting",

--- a/tests/src/eth/abi/fungibleDeprecated.json
+++ b/tests/src/eth/abi/fungibleDeprecated.json
@@ -88,5 +88,64 @@
     "outputs": [],
     "stateMutability": "nonpayable",
     "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "collectionNestingPermissions",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "enum CollectionPermissionField",
+            "name": "field",
+            "type": "uint8"
+          },
+          { "internalType": "bool", "name": "value", "type": "bool" }
+        ],
+        "internalType": "struct CollectionNestingPermission[]",
+        "name": "",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "collectionNestingRestrictedCollectionIds",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
+          { "internalType": "uint256[]", "name": "ids", "type": "uint256[]" }
+        ],
+        "internalType": "struct CollectionNesting",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [{ "internalType": "bool", "name": "enable", "type": "bool" }],
+    "name": "setCollectionNesting",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "bool", "name": "enable", "type": "bool" },
+      {
+        "internalType": "address[]",
+        "name": "collections",
+        "type": "address[]"
+      }
+    ],
+    "name": "setCollectionNesting",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
   }
 ]

--- a/tests/src/eth/abi/nonFungible.json
+++ b/tests/src/eth/abi/nonFungible.json
@@ -291,35 +291,23 @@
   },
   {
     "inputs": [],
-    "name": "collectionNestingPermissions",
+    "name": "collectionNesting",
     "outputs": [
       {
         "components": [
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
           {
-            "internalType": "enum CollectionPermissionField",
-            "name": "field",
-            "type": "uint8"
+            "internalType": "bool",
+            "name": "collection_admin",
+            "type": "bool"
           },
-          { "internalType": "bool", "name": "value", "type": "bool" }
-        ],
-        "internalType": "struct CollectionNestingPermission[]",
-        "name": "",
-        "type": "tuple[]"
-      }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "collectionNestingRestrictedCollectionIds",
-    "outputs": [
-      {
-        "components": [
-          { "internalType": "bool", "name": "token_owner", "type": "bool" },
-          { "internalType": "uint256[]", "name": "ids", "type": "uint256[]" }
+          {
+            "internalType": "address[]",
+            "name": "restricted",
+            "type": "address[]"
+          }
         ],
-        "internalType": "struct CollectionNesting",
+        "internalType": "struct CollectionNestingAndPermission",
         "name": "",
         "type": "tuple"
       }
@@ -705,19 +693,24 @@
     "type": "function"
   },
   {
-    "inputs": [{ "internalType": "bool", "name": "enable", "type": "bool" }],
-    "name": "setCollectionNesting",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
     "inputs": [
-      { "internalType": "bool", "name": "enable", "type": "bool" },
       {
-        "internalType": "address[]",
-        "name": "collections",
-        "type": "address[]"
+        "components": [
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
+          {
+            "internalType": "bool",
+            "name": "collection_admin",
+            "type": "bool"
+          },
+          {
+            "internalType": "address[]",
+            "name": "restricted",
+            "type": "address[]"
+          }
+        ],
+        "internalType": "struct CollectionNestingAndPermission",
+        "name": "collectionNestingAndPermissions",
+        "type": "tuple"
       }
     ],
     "name": "setCollectionNesting",

--- a/tests/src/eth/abi/nonFungibleDeprecated.json
+++ b/tests/src/eth/abi/nonFungibleDeprecated.json
@@ -109,5 +109,64 @@
     "outputs": [],
     "stateMutability": "nonpayable",
     "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "collectionNestingPermissions",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "enum CollectionPermissionField",
+            "name": "field",
+            "type": "uint8"
+          },
+          { "internalType": "bool", "name": "value", "type": "bool" }
+        ],
+        "internalType": "struct CollectionNestingPermission[]",
+        "name": "",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "collectionNestingRestrictedCollectionIds",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
+          { "internalType": "uint256[]", "name": "ids", "type": "uint256[]" }
+        ],
+        "internalType": "struct CollectionNesting",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [{ "internalType": "bool", "name": "enable", "type": "bool" }],
+    "name": "setCollectionNesting",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "bool", "name": "enable", "type": "bool" },
+      {
+        "internalType": "address[]",
+        "name": "collections",
+        "type": "address[]"
+      }
+    ],
+    "name": "setCollectionNesting",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
   }
 ]

--- a/tests/src/eth/abi/reFungible.json
+++ b/tests/src/eth/abi/reFungible.json
@@ -273,35 +273,23 @@
   },
   {
     "inputs": [],
-    "name": "collectionNestingPermissions",
+    "name": "collectionNesting",
     "outputs": [
       {
         "components": [
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
           {
-            "internalType": "enum CollectionPermissionField",
-            "name": "field",
-            "type": "uint8"
+            "internalType": "bool",
+            "name": "collection_admin",
+            "type": "bool"
           },
-          { "internalType": "bool", "name": "value", "type": "bool" }
-        ],
-        "internalType": "struct CollectionNestingPermission[]",
-        "name": "",
-        "type": "tuple[]"
-      }
-    ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "collectionNestingRestrictedCollectionIds",
-    "outputs": [
-      {
-        "components": [
-          { "internalType": "bool", "name": "token_owner", "type": "bool" },
-          { "internalType": "uint256[]", "name": "ids", "type": "uint256[]" }
+          {
+            "internalType": "address[]",
+            "name": "restricted",
+            "type": "address[]"
+          }
         ],
-        "internalType": "struct CollectionNesting",
+        "internalType": "struct CollectionNestingAndPermission",
         "name": "",
         "type": "tuple"
       }
@@ -687,19 +675,24 @@
     "type": "function"
   },
   {
-    "inputs": [{ "internalType": "bool", "name": "enable", "type": "bool" }],
-    "name": "setCollectionNesting",
-    "outputs": [],
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
     "inputs": [
-      { "internalType": "bool", "name": "enable", "type": "bool" },
       {
-        "internalType": "address[]",
-        "name": "collections",
-        "type": "address[]"
+        "components": [
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
+          {
+            "internalType": "bool",
+            "name": "collection_admin",
+            "type": "bool"
+          },
+          {
+            "internalType": "address[]",
+            "name": "restricted",
+            "type": "address[]"
+          }
+        ],
+        "internalType": "struct CollectionNestingAndPermission",
+        "name": "collectionNestingAndPermissions",
+        "type": "tuple"
       }
     ],
     "name": "setCollectionNesting",

--- a/tests/src/eth/abi/reFungibleDeprecated.json
+++ b/tests/src/eth/abi/reFungibleDeprecated.json
@@ -137,5 +137,64 @@
     "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
     "stateMutability": "nonpayable",
     "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "collectionNestingPermissions",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "enum CollectionPermissionField",
+            "name": "field",
+            "type": "uint8"
+          },
+          { "internalType": "bool", "name": "value", "type": "bool" }
+        ],
+        "internalType": "struct CollectionNestingPermission[]",
+        "name": "",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "collectionNestingRestrictedCollectionIds",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "bool", "name": "token_owner", "type": "bool" },
+          { "internalType": "uint256[]", "name": "ids", "type": "uint256[]" }
+        ],
+        "internalType": "struct CollectionNesting",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [{ "internalType": "bool", "name": "enable", "type": "bool" }],
+    "name": "setCollectionNesting",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "bool", "name": "enable", "type": "bool" },
+      {
+        "internalType": "address[]",
+        "name": "collections",
+        "type": "address[]"
+      }
+    ],
+    "name": "setCollectionNesting",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
   }
 ]

--- a/tests/src/eth/allowlist.test.ts
+++ b/tests/src/eth/allowlist.test.ts
@@ -17,6 +17,7 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {Pallets} from '../util';
 import {itEth, usingEthPlaygrounds, expect, SponsoringMode} from './util';
+import {CreateCollectionData} from './util/playgrounds/types';
 
 describe('EVM contract allowlist', () => {
   let donor: IKeyringPair;
@@ -104,7 +105,7 @@
       const userEth = await helper.eth.createAccountWithBalance(donor);
       const mintParams = testCase.mode === 'ft' ? [userEth, 100] : [userEth];
 
-      const {collectionAddress, collectionId} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+      const {collectionAddress, collectionId} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
       const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
       const userCrossSub = helper.ethCrossAccount.fromKeyringPair(userSub);
       const userCrossEth = helper.ethCrossAccount.fromAddress(userEth);
@@ -178,7 +179,7 @@
       const userEth = helper.eth.createAccount();
       const userCrossEth = helper.ethCrossAccount.fromAddress(userEth);
 
-      const {collectionAddress, collectionId} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+      const {collectionAddress, collectionId} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
       const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner, !testCase.cross);
 
       expect(await helper.collection.allowed(collectionId, {Substrate: userSub.address})).to.be.false;

--- a/tests/src/eth/api/CollectionHelpers.sol
+++ b/tests/src/eth/api/CollectionHelpers.sol
@@ -20,8 +20,14 @@
 }
 
 /// @title Contract, which allows users to operate with collections
-/// @dev the ERC-165 identifier for this interface is 0xe65011aa
+/// @dev the ERC-165 identifier for this interface is 0x4135fff1
 interface CollectionHelpers is Dummy, ERC165, CollectionHelpersEvents {
+	/// Create a collection
+	/// @return address Address of the newly created collection
+	/// @dev EVM selector for this function is: 0xa765ee5b,
+	///  or in textual repr: createCollection(((address,uint256),string,string,string,uint8,uint8,(string,bytes)[],(string,(uint8,bool)[])[],(address,uint256)[],(bool,bool,address[]),(uint8,uint256)[],uint8))
+	function createCollection(CreateCollectionData memory data) external payable returns (address);
+
 	/// Create an NFT collection
 	/// @param name Name of the collection
 	/// @param description Informative description of the collection
@@ -94,3 +100,135 @@
 	///  or in textual repr: collectionId(address)
 	function collectionId(address collectionAddress) external view returns (uint32);
 }
+
+/// Collection properties
+struct CreateCollectionData {
+	/// Collection sponsor
+	CrossAddress pending_sponsor;
+	/// Collection name
+	string name;
+	/// Collection description
+	string description;
+	/// Token prefix
+	string token_prefix;
+	/// Token type (NFT, FT or RFT)
+	CollectionMode mode;
+	/// Fungible token precision
+	uint8 decimals;
+	/// Custom Properties
+	Property[] properties;
+	/// Permissions for token properties
+	TokenPropertyPermission[] token_property_permissions;
+	/// Collection admins
+	CrossAddress[] admin_list;
+	/// Nesting settings
+	CollectionNestingAndPermission nesting_settings;
+	/// Collection limits
+	CollectionLimitValue[] limits;
+	/// Extra collection flags
+	CollectionFlags flags;
+}
+
+/// Cross account struct
+type CollectionFlags is uint8;
+
+library CollectionFlagsLib {
+	/// Tokens in foreign collections can be transferred, but not burnt
+	CollectionFlags constant foreignField = CollectionFlags.wrap(128);
+	/// Supports ERC721Metadata
+	CollectionFlags constant erc721metadataField = CollectionFlags.wrap(64);
+	/// External collections can't be managed using `unique` api
+	CollectionFlags constant externalField = CollectionFlags.wrap(1);
+
+	/// Reserved bits
+	function reservedField(uint8 value) public pure returns (CollectionFlags) {
+		require(value < 1 << 5, "out of bound value");
+		return CollectionFlags.wrap(value << 1);
+	}
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
+struct CollectionLimitValue {
+	CollectionLimitField field;
+	uint256 value;
+}
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.
+enum CollectionLimitField {
+	/// How many tokens can a user have on one account.
+	AccountTokenOwnership,
+	/// How many bytes of data are available for sponsorship.
+	SponsoredDataSize,
+	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	SponsoredDataRateLimit,
+	/// How many tokens can be mined into this collection.
+	TokenLimit,
+	/// Timeouts for transfer sponsoring.
+	SponsorTransferTimeout,
+	/// Timeout for sponsoring an approval in passed blocks.
+	SponsorApproveTimeout,
+	/// Whether the collection owner of the collection can send tokens (which belong to other users).
+	OwnerCanTransfer,
+	/// Can the collection owner burn other people's tokens.
+	OwnerCanDestroy,
+	/// Is it possible to send tokens from this collection between users.
+	TransferEnabled
+}
+
+/// Nested collections and permissions
+struct CollectionNestingAndPermission {
+	/// Owner of token can nest tokens under it.
+	bool token_owner;
+	/// Admin of token collection can nest tokens under token.
+	bool collection_admin;
+	/// If set - only tokens from specified collections can be nested.
+	address[] restricted;
+}
+
+/// Cross account struct
+struct CrossAddress {
+	address eth;
+	uint256 sub;
+}
+
+/// Ethereum representation of Token Property Permissions.
+struct TokenPropertyPermission {
+	/// Token property key.
+	string key;
+	/// Token property permissions.
+	PropertyPermission[] permissions;
+}
+
+/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) as an key and value.
+struct PropertyPermission {
+	/// TokenPermission field.
+	TokenPermissionField code;
+	/// TokenPermission value.
+	bool value;
+}
+
+/// 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
+}
+
+/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).
+struct Property {
+	string key;
+	bytes value;
+}
+
+/// Type of tokens in collection
+enum CollectionMode {
+	/// Fungible
+	Fungible,
+	/// Nonfungible
+	Nonfungible,
+	/// Refungible
+	Refungible
+}

--- 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 0x2a14cfd1
+/// @dev the ERC-165 identifier for this interface is 0xb34d97e9
 interface Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -148,30 +148,38 @@
 	// ///  or in textual repr: removeCollectionAdmin(address)
 	// function removeCollectionAdmin(address admin) external;
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	/// @dev EVM selector for this function is: 0x112d4586,
-	///  or in textual repr: setCollectionNesting(bool)
-	function setCollectionNesting(bool enable) external;
+	/// @dev EVM selector for this function is: 0x0b9f3890,
+	///  or in textual repr: setCollectionNesting((bool,bool,address[]))
+	function setCollectionNesting(CollectionNestingAndPermission memory collectionNestingAndPermissions) external;
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	/// @param collections Addresses of collections that will be available for nesting.
-	/// @dev EVM selector for this function is: 0x64872396,
-	///  or in textual repr: setCollectionNesting(bool,address[])
-	function setCollectionNesting(bool enable, address[] memory collections) external;
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	// /// @dev EVM selector for this function is: 0x112d4586,
+	// ///  or in textual repr: setCollectionNesting(bool)
+	// function setCollectionNesting(bool enable) external;
+
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// /// @param collections Addresses of collections that will be available for nesting.
+	// /// @dev EVM selector for this function is: 0x64872396,
+	// ///  or in textual repr: setCollectionNesting(bool,address[])
+	// function setCollectionNesting(bool enable, address[] memory collections) external;
+
+	/// @dev EVM selector for this function is: 0x92c660a8,
+	///  or in textual repr: collectionNesting()
+	function collectionNesting() external view returns (CollectionNestingAndPermission memory);
 
-	/// Returns nesting for a collection
-	/// @dev EVM selector for this function is: 0x22d25bfe,
-	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() external view returns (CollectionNesting memory);
+	// /// Returns nesting for a collection
+	// /// @dev EVM selector for this function is: 0x22d25bfe,
+	// ///  or in textual repr: collectionNestingRestrictedCollectionIds()
+	// 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 (CollectionNestingPermission[] memory);
+	// /// Returns permissions for a collection
+	// /// @dev EVM selector for this function is: 0x5b2eaf4b,
+	// ///  or in textual repr: collectionNestingPermissions()
+	// function collectionNestingPermissions() external view returns (CollectionNestingPermission[] memory);
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -311,6 +319,16 @@
 	uint256[] ids;
 }
 
+/// Nested collections and permissions
+struct CollectionNestingAndPermission {
+	/// Owner of token can nest tokens under it.
+	bool token_owner;
+	/// Admin of token collection can nest tokens under token.
+	bool collection_admin;
+	/// If set - only tokens from specified collections can be nested.
+	address[] restricted;
+}
+
 /// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
 struct CollectionLimit {
 	CollectionLimitField field;

--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -118,7 +118,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
+/// @dev the ERC-165 identifier for this interface is 0xb34d97e9
 interface Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -253,30 +253,38 @@
 	// ///  or in textual repr: removeCollectionAdmin(address)
 	// function removeCollectionAdmin(address admin) external;
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	/// @dev EVM selector for this function is: 0x112d4586,
-	///  or in textual repr: setCollectionNesting(bool)
-	function setCollectionNesting(bool enable) external;
+	/// @dev EVM selector for this function is: 0x0b9f3890,
+	///  or in textual repr: setCollectionNesting((bool,bool,address[]))
+	function setCollectionNesting(CollectionNestingAndPermission memory collectionNestingAndPermissions) external;
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	/// @param collections Addresses of collections that will be available for nesting.
-	/// @dev EVM selector for this function is: 0x64872396,
-	///  or in textual repr: setCollectionNesting(bool,address[])
-	function setCollectionNesting(bool enable, address[] memory collections) external;
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	// /// @dev EVM selector for this function is: 0x112d4586,
+	// ///  or in textual repr: setCollectionNesting(bool)
+	// function setCollectionNesting(bool enable) external;
+
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// /// @param collections Addresses of collections that will be available for nesting.
+	// /// @dev EVM selector for this function is: 0x64872396,
+	// ///  or in textual repr: setCollectionNesting(bool,address[])
+	// function setCollectionNesting(bool enable, address[] memory collections) external;
+
+	/// @dev EVM selector for this function is: 0x92c660a8,
+	///  or in textual repr: collectionNesting()
+	function collectionNesting() external view returns (CollectionNestingAndPermission memory);
 
-	/// Returns nesting for a collection
-	/// @dev EVM selector for this function is: 0x22d25bfe,
-	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() external view returns (CollectionNesting memory);
+	// /// Returns nesting for a collection
+	// /// @dev EVM selector for this function is: 0x22d25bfe,
+	// ///  or in textual repr: collectionNestingRestrictedCollectionIds()
+	// 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 (CollectionNestingPermission[] memory);
+	// /// Returns permissions for a collection
+	// /// @dev EVM selector for this function is: 0x5b2eaf4b,
+	// ///  or in textual repr: collectionNestingPermissions()
+	// function collectionNestingPermissions() external view returns (CollectionNestingPermission[] memory);
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -416,6 +424,16 @@
 	uint256[] ids;
 }
 
+/// Nested collections and permissions
+struct CollectionNestingAndPermission {
+	/// Owner of token can nest tokens under it.
+	bool token_owner;
+	/// Admin of token collection can nest tokens under token.
+	bool collection_admin;
+	/// If set - only tokens from specified collections can be nested.
+	address[] restricted;
+}
+
 /// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
 struct CollectionLimit {
 	CollectionLimitField field;

--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -118,7 +118,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0x2a14cfd1
+/// @dev the ERC-165 identifier for this interface is 0xb34d97e9
 interface Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -253,30 +253,38 @@
 	// ///  or in textual repr: removeCollectionAdmin(address)
 	// function removeCollectionAdmin(address admin) external;
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
-	/// @dev EVM selector for this function is: 0x112d4586,
-	///  or in textual repr: setCollectionNesting(bool)
-	function setCollectionNesting(bool enable) external;
+	/// @dev EVM selector for this function is: 0x0b9f3890,
+	///  or in textual repr: setCollectionNesting((bool,bool,address[]))
+	function setCollectionNesting(CollectionNestingAndPermission memory collectionNestingAndPermissions) external;
 
-	/// Toggle accessibility of collection nesting.
-	///
-	/// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
-	/// @param collections Addresses of collections that will be available for nesting.
-	/// @dev EVM selector for this function is: 0x64872396,
-	///  or in textual repr: setCollectionNesting(bool,address[])
-	function setCollectionNesting(bool enable, address[] memory collections) external;
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
+	// /// @dev EVM selector for this function is: 0x112d4586,
+	// ///  or in textual repr: setCollectionNesting(bool)
+	// function setCollectionNesting(bool enable) external;
+
+	// /// Toggle accessibility of collection nesting.
+	// ///
+	// /// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
+	// /// @param collections Addresses of collections that will be available for nesting.
+	// /// @dev EVM selector for this function is: 0x64872396,
+	// ///  or in textual repr: setCollectionNesting(bool,address[])
+	// function setCollectionNesting(bool enable, address[] memory collections) external;
+
+	/// @dev EVM selector for this function is: 0x92c660a8,
+	///  or in textual repr: collectionNesting()
+	function collectionNesting() external view returns (CollectionNestingAndPermission memory);
 
-	/// Returns nesting for a collection
-	/// @dev EVM selector for this function is: 0x22d25bfe,
-	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() external view returns (CollectionNesting memory);
+	// /// Returns nesting for a collection
+	// /// @dev EVM selector for this function is: 0x22d25bfe,
+	// ///  or in textual repr: collectionNestingRestrictedCollectionIds()
+	// 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 (CollectionNestingPermission[] memory);
+	// /// Returns permissions for a collection
+	// /// @dev EVM selector for this function is: 0x5b2eaf4b,
+	// ///  or in textual repr: collectionNestingPermissions()
+	// function collectionNestingPermissions() external view returns (CollectionNestingPermission[] memory);
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -416,6 +424,16 @@
 	uint256[] ids;
 }
 
+/// Nested collections and permissions
+struct CollectionNestingAndPermission {
+	/// Owner of token can nest tokens under it.
+	bool token_owner;
+	/// Admin of token collection can nest tokens under token.
+	bool collection_admin;
+	/// If set - only tokens from specified collections can be nested.
+	address[] restricted;
+}
+
 /// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.
 struct CollectionLimit {
 	CollectionLimitField field;

--- a/tests/src/eth/collectionAdmin.test.ts
+++ b/tests/src/eth/collectionAdmin.test.ts
@@ -19,6 +19,7 @@
 import {IEthCrossAccountId} from '../util/playgrounds/types';
 import {usingEthPlaygrounds, itEth} from './util';
 import {EthUniqueHelper} from './util/playgrounds/unique.dev';
+import {CreateCollectionData} from './util/playgrounds/types';
 
 async function recordEthFee(helper: EthUniqueHelper, userAddress: string, call: () => Promise<any>) {
   const before = await helper.balance.getSubstrate(helper.address.ethToSubstrate(userAddress));
@@ -55,7 +56,7 @@
       const adminCrossSub = helper.ethCrossAccount.fromKeyringPair(adminSub);
       const adminCrossEth = helper.ethCrossAccount.fromAddress(adminEth);
 
-      const {collectionAddress, collectionId} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+      const {collectionAddress, collectionId} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
       const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner, true);
 
       // Check isOwnerOrAdminCross returns false:

--- 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 {CollectionLimitField} from './util/playgrounds/types';
+import {CollectionLimitField, CreateCollectionData} from './util/playgrounds/types';
 
 
 describe('Can set collection limits', () => {
@@ -20,7 +20,7 @@
   ].map(testCase =>
     itEth.ifWithPallets(`for ${testCase.case}`, testCase.requiredPallets || [], async ({helper}) => {
       const owner = await helper.eth.createAccountWithBalance(donor);
-      const {collectionId, collectionAddress} = await helper.eth.createCollection(testCase.case, owner, 'Limits', 'absolutely anything', 'FLO', 18);
+      const {collectionId, collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('Limits', 'absolutely anything', 'FLO', testCase.case, 18)).send();
       const limits = {
         accountTokenOwnershipLimit: 1000,
         sponsoredDataSize: 1024,
@@ -96,13 +96,13 @@
       };
 
       const owner = await helper.eth.createAccountWithBalance(donor);
-      const {collectionAddress} = await helper.eth.createCollection(testCase.case, owner, 'Limits', 'absolutely anything', 'ISNI', 18);
+      const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('Limits', 'absolutely anything', 'ISNI', testCase.case, 18)).send();
       const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, testCase.case, owner);
 
       // Cannot set non-existing limit
       await expect(collectionEvm.methods
         .setCollectionLimit({field: 9, value: {status: true, value: 1}})
-        .call()).to.be.rejectedWith('Returned error: VM Exception while processing transaction: revert Value not convertible into enum "CollectionLimitField"');
+        .call()).to.be.rejectedWith('Returned error: VM Exception while processing transaction: revert value not convertible into enum "CollectionLimitField"');
 
       // Cannot disable limits
       await expect(collectionEvm.methods
@@ -129,7 +129,7 @@
     itEth.ifWithPallets(`Non-owner and non-admin cannot set collection limits for ${testCase.case}`, testCase.requiredPallets || [], async ({helper}) => {
       const owner = await helper.eth.createAccountWithBalance(donor);
       const nonOwner = await helper.eth.createAccountWithBalance(donor);
-      const {collectionAddress} = await helper.eth.createCollection(testCase.case, owner, 'Limits', 'absolutely anything', 'FLO', 18);
+      const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('Limits', 'absolutely anything', 'FLO', testCase.case, 18)).send();
 
       const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, testCase.case, owner);
       await expect(collectionEvm.methods

--- a/tests/src/eth/destroyCollection.test.ts
+++ b/tests/src/eth/destroyCollection.test.ts
@@ -17,13 +17,15 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {Pallets} from '../util';
 import {expect, itEth, usingEthPlaygrounds} from './util';
+import {TCollectionMode} from '../util/playgrounds/types';
+import {CreateCollectionData} from './util/playgrounds/types';
 
 describe('Destroy Collection from EVM', function() {
   let donor: IKeyringPair;
   const testCases = [
-    {case: 'rft' as const, params: ['Limits', 'absolutely anything', 'OLF'], requiredPallets: [Pallets.ReFungible]},
-    {case: 'nft' as const, params: ['Limits', 'absolutely anything', 'OLF'], requiredPallets: [Pallets.NFT]},
-    {case: 'ft' as const, params: ['Limits', 'absolutely anything', 'OLF', 18], requiredPallets: [Pallets.Fungible]},
+    {case: 'rft' as const, params: ['Limits', 'absolutely anything', 'OLF', 'rft'], requiredPallets: [Pallets.ReFungible]},
+    {case: 'nft' as const, params: ['Limits', 'absolutely anything', 'OLF', 'nft'], requiredPallets: [Pallets.NFT]},
+    {case: 'ft' as const, params: ['Limits', 'absolutely anything', 'OLF', 'ft', 18], requiredPallets: [Pallets.Fungible]},
   ];
 
   before(async function() {
@@ -40,8 +42,7 @@
       const unexistedCollection = helper.ethAddress.fromCollectionId(1000000);
 
       const collectionHelpers = await helper.ethNativeContract.collectionHelpers(signer);
-      const {collectionAddress} = await helper.eth.createCollection(testCase.case, owner, ...testCase.params as [string, string, string, number?]);
-
+      const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData(...testCase.params as [string, string, string, TCollectionMode, number?])).send();
       // cannot burn collec
       await expect(collectionHelpers.methods
         .destroyCollection(collectionAddress)

--- 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 {CollectionLimitField, TokenPermissionField, NormalizedEvent} from './util/playgrounds/types';
+import {CollectionLimitField, TokenPermissionField, NormalizedEvent, CreateCollectionData} from './util/playgrounds/types';
 
 let donor: IKeyringPair;
 
@@ -39,7 +39,8 @@
 async function testCollectionCreatedAndDestroy(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
   const {unsubscribe, collectedEvents: subEvents} = await helper.subscribeEvents([{section: 'common', names: ['CollectionCreated', 'CollectionDestroyed']}]);
-  const {collectionAddress, events: ethEvents} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress, events: ethEvents} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
+
   await helper.wait.newBlocks(1);
   {
     expect(ethEvents).to.containSubset([
@@ -72,7 +73,7 @@
 
 async function testCollectionPropertySetAndDeleted(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
-  const {collectionAddress} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
   const collection = await helper.ethNativeContract.collection(collectionAddress, mode, owner);
   const collectionHelper = await helper.ethNativeContract.collectionHelpers(owner);
 
@@ -113,7 +114,7 @@
 
 async function testPropertyPermissionSet(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
-  const {collectionAddress} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
   const collection = await helper.ethNativeContract.collection(collectionAddress, mode, owner);
   const collectionHelper = await helper.ethNativeContract.collectionHelpers(owner);
   const ethEvents: any = [];
@@ -144,7 +145,7 @@
 async function testAllowListAddressAddedAndRemoved(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
   const user = helper.ethCrossAccount.createAccount();
-  const {collectionAddress} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
   const collection = await helper.ethNativeContract.collection(collectionAddress, mode, owner);
   const collectionHelper = await helper.ethNativeContract.collectionHelpers(owner);
   const ethEvents: any[] = [];
@@ -186,7 +187,7 @@
 async function testCollectionAdminAddedAndRemoved(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
   const user = helper.ethCrossAccount.createAccount();
-  const {collectionAddress} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
   const collection = await helper.ethNativeContract.collection(collectionAddress, mode, owner);
   const collectionHelper = await helper.ethNativeContract.collectionHelpers(owner);
   const ethEvents: any = [];
@@ -226,7 +227,7 @@
 
 async function testCollectionLimitSet(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
-  const {collectionAddress} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
   const collection = await helper.ethNativeContract.collection(collectionAddress, mode, owner);
   const collectionHelper = await helper.ethNativeContract.collectionHelpers(owner);
   const ethEvents: any = [];
@@ -253,7 +254,7 @@
 async function testCollectionOwnerChanged(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
   const newOwner = helper.ethCrossAccount.createAccount();
-  const {collectionAddress} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
   const collection = await helper.ethNativeContract.collection(collectionAddress, mode, owner);
   const collectionHelper = await helper.ethNativeContract.collectionHelpers(owner);
   const ethEvents: any = [];
@@ -279,7 +280,7 @@
 
 async function testCollectionPermissionSet(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
-  const {collectionAddress} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
   const collection = await helper.ethNativeContract.collection(collectionAddress, mode, owner);
   const collectionHelper = await helper.ethNativeContract.collectionHelpers(owner);
   const ethEvents: any = [];
@@ -320,7 +321,7 @@
 async function testCollectionSponsorSetAndConfirmedAndThenRemoved(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
   const sponsor = await helper.ethCrossAccount.createAccountWithBalance(donor);
-  const {collectionAddress} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
   const collection = await helper.ethNativeContract.collection(collectionAddress, mode, owner);
   const collectionHelper = await helper.ethNativeContract.collectionHelpers(owner);
   const ethEvents: any = [];
@@ -374,7 +375,7 @@
 
 async function testTokenPropertySetAndDeleted(helper: EthUniqueHelper, mode: TCollectionMode) {
   const owner = await helper.eth.createAccountWithBalance(donor);
-  const {collectionAddress} = await helper.eth.createCollection(mode, owner, 'A', 'B', 'C');
+  const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', mode, 18)).send();
   const collection = await helper.ethNativeContract.collection(collectionAddress, mode, owner);
   const result = await collection.methods.mint(owner).send({from: owner});
   const tokenId = result.events.Transfer.returnValues.tokenId;

--- a/tests/src/eth/marketplace-v2/Market.sol
+++ b/tests/src/eth/marketplace-v2/Market.sol
@@ -7,7 +7,7 @@
 import "@openzeppelin/contracts/access/Ownable.sol";
 import { UniqueNFT, CrossAddress } from "@unique-nft/solidity-interfaces/contracts/UniqueNFT.sol";
 import { UniqueFungible, CrossAddress as CrossAddressF } from "@unique-nft/solidity-interfaces/contracts/UniqueFungible.sol";
-import "@unique-nft/solidity-interfaces/contracts/CollectionHelpers.sol";
+import { CollectionHelpers } from "@unique-nft/solidity-interfaces/contracts/CollectionHelpers.sol";
 import "./royalty/UniqueRoyaltyHelper.sol";
 
 contract Market is Ownable, ReentrancyGuard {

--- a/tests/src/eth/marketplace/marketplace.test.ts
+++ b/tests/src/eth/marketplace/marketplace.test.ts
@@ -60,7 +60,7 @@
     await helpers.methods.setSponsor(matcher.options.address, sponsor).send({from: matcherOwner});
     await helpers.methods.confirmSponsorship(matcher.options.address).send({from: sponsor});
 
-    const collection = await helper.nft.mintCollection(alice, {limits: {sponsorApproveTimeout: 1}, pendingSponsor: alice.address});
+    const collection = await helper.nft.mintCollection(alice, {limits: {sponsorApproveTimeout: 1}, pendingSponsor: {Substrate: alice.address}});
     await collection.confirmSponsorship(alice);
     await collection.addToAllowList(alice, {Substrate: aliceDoubleMirror});
     const evmCollection = await helper.ethNativeContract.collection(helper.ethAddress.fromCollectionId(collection.collectionId), 'nft');
@@ -114,7 +114,7 @@
     await helpers.methods.setSponsor(matcher.options.address, sponsor).send({from: matcherOwner});
     await helpers.methods.confirmSponsorship(matcher.options.address).send({from: sponsor});
 
-    const collection = await helper.nft.mintCollection(alice, {limits: {sponsorApproveTimeout: 1}, pendingSponsor: alice.address});
+    const collection = await helper.nft.mintCollection(alice, {limits: {sponsorApproveTimeout: 1}, pendingSponsor: {Substrate: alice.address}});
     await collection.confirmSponsorship(alice);
     await collection.addToAllowList(alice, {Substrate: aliceDoubleMirror});
     const evmCollection = await helper.ethNativeContract.collection(helper.ethAddress.fromCollectionId(collection.collectionId), 'nft');

--- a/tests/src/eth/nesting/nest.test.ts
+++ b/tests/src/eth/nesting/nest.test.ts
@@ -6,11 +6,12 @@
 const createNestingCollection = async (
   helper: EthUniqueHelper,
   owner: string,
+  mergeDeprecated = false,
 ): Promise<{ collectionId: number, collectionAddress: string, contract: Contract }> => {
   const {collectionAddress, collectionId} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
 
-  const contract = await helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
-  await contract.methods.setCollectionNesting(true).send({from: owner});
+  const contract = await helper.ethNativeContract.collection(collectionAddress, 'nft', owner, mergeDeprecated);
+  await contract.methods.setCollectionNesting([true, false, []]).send({from: owner});
 
   return {collectionId, collectionAddress, contract};
 };
@@ -52,27 +53,44 @@
       expect(await contract.methods.ownerOf(secondTokenId).call()).to.be.equal(owner);
     });
 
+    itEth('NFT: collectionNesting()', async ({helper}) => {
+      const owner = await helper.eth.createAccountWithBalance(donor);
+      const {collectionAddress: unnestedCollectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
+      const unnestedContract = await helper.ethNativeContract.collection(unnestedCollectionAddress, 'nft', owner);
+      expect(await unnestedContract.methods.collectionNesting().call({from: owner})).to.be.like([false, false, []]);
+
+      const {contract} = await createNestingCollection(helper, owner);
+      expect(await contract.methods.collectionNesting().call({from: owner})).to.be.like([true, false, []]);
+      await contract.methods.setCollectionNesting([true, false, [unnestedCollectionAddress]]).send({from: owner});
+      expect(await contract.methods.collectionNesting().call({from: owner})).to.be.like([true, false, [unnestedCollectionAddress]]);
+      await contract.methods.setCollectionNesting([false, true, [unnestedCollectionAddress]]).send({from: owner});
+      expect(await contract.methods.collectionNesting().call({from: owner})).to.be.like([false, true, [unnestedCollectionAddress]]);
+      await contract.methods.setCollectionNesting([false, false, []]).send({from: owner});
+      expect(await contract.methods.collectionNesting().call({from: owner})).to.be.like([false, false, []]);
+    });
+
+    // Sof-deprecated
     itEth('NFT: collectionNestingRestrictedCollectionIds() & collectionNestingPermissions', async ({helper}) => {
       const owner = await helper.eth.createAccountWithBalance(donor);
       const {collectionId: unnestedCollsectionId, collectionAddress: unnsetedCollectionAddress} = await helper.eth.createNFTCollection(owner, 'A', 'B', 'C');
-      const unnestedContract = await helper.ethNativeContract.collection(unnsetedCollectionAddress, 'nft', owner);
+      const unnestedContract = await helper.ethNativeContract.collection(unnsetedCollectionAddress, 'nft', owner, true);
       expect(await unnestedContract.methods.collectionNestingRestrictedCollectionIds().call({from: owner})).to.be.like([false, []]);
 
-      const {contract} = await createNestingCollection(helper, owner);
+      const {contract} = await createNestingCollection(helper, owner, true);
       expect(await contract.methods.collectionNestingRestrictedCollectionIds().call({from: owner})).to.be.like([true, []]);
-      await contract.methods.setCollectionNesting(true, [unnsetedCollectionAddress]).send({from: owner});
+      await contract.methods['setCollectionNesting(bool,address[])'](true, [unnsetedCollectionAddress]).send({from: owner});
       expect(await contract.methods.collectionNestingRestrictedCollectionIds().call({from: owner})).to.be.like([true, [unnestedCollsectionId.toString()]]);
       expect(await contract.methods.collectionNestingPermissions().call({from: owner})).to.be.like([['1', false], ['0', true]]);
-      await contract.methods.setCollectionNesting(false).send({from: owner});
+      await contract.methods['setCollectionNesting(bool)'](false).send({from: owner});
       expect(await contract.methods.collectionNestingPermissions().call({from: owner})).to.be.like([['1', false], ['0', false]]);
     });
 
     itEth('NFT: allows an Owner to nest/unnest their token (Restricted nesting)', async ({helper}) => {
       const owner = await helper.eth.createAccountWithBalance(donor);
 
-      const {collectionId: collectionIdA, collectionAddress: collectionAddressA, contract: contractA} = await createNestingCollection(helper, owner);
-      const {collectionAddress: collectionAddressB, contract: contractB} = await createNestingCollection(helper, owner);
-      await contractA.methods.setCollectionNesting(true, [collectionAddressA, collectionAddressB]).send({from: owner});
+      const {collectionId: collectionIdA, contract: contractA} = await createNestingCollection(helper, owner);
+      const {contract: contractB} = await createNestingCollection(helper, owner);
+      await contractA.methods.setCollectionNesting([true, false, [contractA.options.address, contractB.options.address]]).send({from: owner});
 
       // Create a token to nest into
       const mintingtargetNftTokenIdResult = await contractA.methods.mint(owner).send({from: owner});
@@ -101,7 +119,7 @@
       const owner = await helper.eth.createAccountWithBalance(donor);
 
       const {collectionId, contract} = await createNestingCollection(helper, owner);
-      await contract.methods.setCollectionNesting(false).send({from: owner});
+      await contract.methods.setCollectionNesting([false, false, []]).send({from: owner});
 
       // Create a token to nest into
       const mintingTargetTokenIdResult = await contract.methods.mint(owner).send({from: owner});
@@ -143,10 +161,10 @@
       const owner = await helper.eth.createAccountWithBalance(donor);
       const malignant = await helper.eth.createAccountWithBalance(donor);
 
-      const {collectionId: collectionIdA, collectionAddress: collectionAddressA, contract: contractA} = await createNestingCollection(helper, owner);
-      const {collectionAddress: collectionAddressB, contract: contractB} = await createNestingCollection(helper, owner);
+      const {collectionId: collectionIdA, contract: contractA} = await createNestingCollection(helper, owner);
+      const {collectionId: collectionIdB, contract: contractB} = await createNestingCollection(helper, owner);
 
-      await contractA.methods.setCollectionNesting(true, [collectionAddressA, collectionAddressB]).send({from: owner});
+      await contractA.methods.setCollectionNesting([true, false, [contractA.options.address, contractB.options.address]]).send({from: owner});
 
       // Create a token in one collection
       const mintingTokenIdAResult = await contractA.methods.mint(owner).send({from: owner});
@@ -166,10 +184,10 @@
     itEth('NFT: disallows to nest token in an unlisted collection', async ({helper}) => {
       const owner = await helper.eth.createAccountWithBalance(donor);
 
-      const {collectionId: collectionIdA, collectionAddress: collectionAddressA, contract: contractA} = await createNestingCollection(helper, owner);
+      const {collectionId: collectionIdA, contract: contractA} = await createNestingCollection(helper, owner);
       const {contract: contractB} = await createNestingCollection(helper, owner);
 
-      await contractA.methods.setCollectionNesting(true, [collectionAddressA]).send({from: owner});
+      await contractA.methods.setCollectionNesting([true, false, [contractA.options.address]]).send({from: owner});
 
       // Create a token in one collection
       const mintingTokenIdAResult = await contractA.methods.mint(owner).send({from: owner});
@@ -251,7 +269,7 @@
       itEth(`Disallow nest into collection without nesting permission [${testCase.mode}] (except for native fungible collection)`, async ({helper}) => {
         const owner = await helper.eth.createAccountWithBalance(donor);
         const {collectionId: targetCollectionId, contract: targetContract} = await createNestingCollection(helper, owner);
-        await targetContract.methods.setCollectionNesting(false).send({from: owner});
+        await targetContract.methods.setCollectionNesting([false, false, []]).send({from: owner});
 
         const {contract: ftContract} = await createFungibleCollection(helper, owner, testCase.mode);
 

--- 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 {TokenPermissionField} from './util/playgrounds/types';
+import {CreateCollectionData, TokenPermissionField} from './util/playgrounds/types';
 
 describe('EVM token properties', () => {
   let donor: IKeyringPair;
@@ -41,7 +41,7 @@
       const owner = await helper.eth.createAccountWithBalance(donor);
       const caller = await helper.ethCrossAccount.createAccountWithBalance(donor);
       for(const [mutable,collectionAdmin, tokenOwner] of cartesian([], [false, true], [false, true], [false, true])) {
-        const {collectionId, collectionAddress} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+        const {collectionId, collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
         const collection = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
         await collection.methods.addCollectionAdminCross(caller).send({from: owner});
 
@@ -75,7 +75,7 @@
     itEth.ifWithPallets(`[${testCase.mode}] Can set multiple token property permissions as owner`, testCase.requiredPallets, async({helper}) => {
       const owner = await helper.eth.createAccountWithBalance(donor);
 
-      const {collectionId, collectionAddress} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+      const {collectionId, collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
       const collection = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
 
       await collection.methods.setTokenPropertyPermissions([
@@ -138,7 +138,7 @@
       const owner = await helper.eth.createAccountWithBalance(donor);
       const caller = await helper.ethCrossAccount.createAccountWithBalance(donor);
 
-      const {collectionId, collectionAddress} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+      const {collectionId, collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
       const collection = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
       await collection.methods.addCollectionAdminCross(caller).send({from: owner});
 
@@ -455,7 +455,7 @@
       const owner = await helper.eth.createAccountWithBalance(donor);
       const caller = await helper.eth.createAccountWithBalance(donor);
 
-      const {collectionAddress} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+      const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
       const collection = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
 
       await expect(collection.methods.setTokenPropertyPermissions([
@@ -474,7 +474,7 @@
     itEth.ifWithPallets(`[${testCase.mode}] Cannot set token property permissions with invalid character`, testCase.requiredPallets, async({helper}) => {
       const owner = await helper.eth.createAccountWithBalance(donor);
 
-      const {collectionAddress} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+      const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
       const collection = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
 
       await expect(collection.methods.setTokenPropertyPermissions([
@@ -494,7 +494,7 @@
     itEth.ifWithPallets(`[${testCase.mode}] Can reconfigure token property permissions to stricter ones`, testCase.requiredPallets, async({helper}) => {
       const owner = await helper.eth.createAccountWithBalance(donor);
 
-      const {collectionAddress, collectionId} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+      const {collectionAddress, collectionId} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
       const collection = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
 
       // 1. Owner sets strict property-permissions:
@@ -530,7 +530,7 @@
     itEth.ifWithPallets(`[${testCase.mode}] Cannot reconfigure token property permissions to less strict ones`, testCase.requiredPallets, async({helper}) => {
       const owner = await helper.eth.createAccountWithBalance(donor);
 
-      const {collectionAddress} = await helper.eth.createCollection(testCase.mode, owner, 'A', 'B', 'C');
+      const {collectionAddress} = await helper.eth.createCollection(owner, new CreateCollectionData('A', 'B', 'C', testCase.mode)).send();
       const collection = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
 
       // 1. Owner sets strict property-permissions:

--- a/tests/src/eth/tokens/callMethodsERC20.test.ts
+++ b/tests/src/eth/tokens/callMethodsERC20.test.ts
@@ -17,6 +17,7 @@
 import {Pallets, requirePalletsOrSkip} from '../../util';
 import {expect, itEth, usingEthPlaygrounds} from '../util';
 import {IKeyringPair} from '@polkadot/types/types';
+import {CreateCollectionData} from '../util/playgrounds/types';
 
 [
   {mode: 'ft' as const, requiredPallets: []},
@@ -36,7 +37,7 @@
       const caller = await helper.eth.createAccountWithBalance(donor);
       const mintingParams = testCase.mode === 'ft' ? [caller, 200n] : [caller];
 
-      const {collection, collectionId} = await helper.eth.createCollection(testCase.mode, caller, 'TotalSupply', '6', '6');
+      const {collection, collectionId} = await helper.eth.createCollection(caller, new CreateCollectionData('TotalSupply', '6', '6', testCase.mode)).send();
       if(testCase.mode === 'rft') await collection.methods.mint(caller).send({from: caller});
 
       // Use collection contract for FT or token contract for RFT:
@@ -57,7 +58,7 @@
       const caller = await helper.eth.createAccountWithBalance(donor);
       const mintingParams = testCase.mode === 'ft' ? [caller, 200n] : [caller];
 
-      const {collection, collectionId} = await helper.eth.createCollection(testCase.mode, caller, 'BalanceOf', 'Descroption', 'Prefix');
+      const {collection, collectionId} = await helper.eth.createCollection(caller, new CreateCollectionData('BalanceOf', 'Descroption', 'Prefix', testCase.mode)).send();
       if(testCase.mode === 'rft') await collection.methods.mint(caller).send({from: caller});
 
       // Use collection contract for FT or token contract for RFT:
@@ -76,7 +77,7 @@
 
     itEth('decimals', async ({helper}) => {
       const caller = await helper.eth.createAccountWithBalance(donor);
-      const {collection, collectionId} = await helper.eth.createCollection(testCase.mode, caller, 'BalanceOf', 'Descroption', 'Prefix');
+      const {collection, collectionId} = await helper.eth.createCollection(caller, new CreateCollectionData('BalanceOf', 'Descroption', 'Prefix', testCase.mode)).send();
       if(testCase.mode === 'rft') await collection.methods.mint(caller).send({from: caller});
 
       // Use collection contract for FT or token contract for RFT:

--- a/tests/src/eth/tokens/callMethodsERC721.test.ts
+++ b/tests/src/eth/tokens/callMethodsERC721.test.ts
@@ -17,6 +17,7 @@
 import {Pallets} from '../../util';
 import {expect, itEth, usingEthPlaygrounds} from '../util';
 import {IKeyringPair} from '@polkadot/types/types';
+import {CreateCollectionData} from '../util/playgrounds/types';
 
 
 describe('ERC-721 call methods', () => {
@@ -37,7 +38,7 @@
       const [callerSub] = await helper.arrange.createAccounts([100n], donor);
       const [name, description, tokenPrefix] = ['Name', 'Description', 'Symbol'];
 
-      const {collection: collectionEth} = await helper.eth.createCollection(testCase.mode, callerEth, name, description, tokenPrefix);
+      const {collection: collectionEth} = await helper.eth.createCollection(callerEth, new CreateCollectionData(name, description, tokenPrefix, testCase.mode)).send();
       await collectionEth.methods.mint(callerEth).send({from: callerEth});
       const {collectionId} = await helper[testCase.mode].mintCollection(callerSub, {name, description, tokenPrefix});
       const collectionSub = await helper.ethNativeContract.collectionById(collectionId, testCase.mode, callerEth);
@@ -60,7 +61,7 @@
     itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: totalSupply`, testCase.requiredPallets, async ({helper}) => {
       const caller = await helper.eth.createAccountWithBalance(donor);
 
-      const {collection} = await helper.eth.createCollection(testCase.mode, caller, 'TotalSupply', '6', '6');
+      const {collection} = await helper.eth.createCollection(caller, new CreateCollectionData('TotalSupply', '6', '6', testCase.mode)).send();
       await collection.methods.mint(caller).send({from: caller});
 
       const totalSupply = await collection.methods.totalSupply().call();
@@ -75,7 +76,7 @@
     itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: balanceOf`, testCase.requiredPallets, async ({helper}) => {
       const caller = await helper.eth.createAccountWithBalance(donor);
 
-      const {collection} = await helper.eth.createCollection(testCase.mode, caller, 'BalanceOf', 'Descroption', 'Prefix');
+      const {collection} = await helper.eth.createCollection(caller, new CreateCollectionData('BalanceOf', 'Descroption', 'Prefix', testCase.mode)).send();
       await collection.methods.mint(caller).send({from: caller});
       await collection.methods.mint(caller).send({from: caller});
       await collection.methods.mint(caller).send({from: caller});
@@ -91,7 +92,7 @@
   ].map(testCase => {
     itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: ownerOf`, testCase.requiredPallets, async ({helper}) => {
       const caller = await helper.eth.createAccountWithBalance(donor);
-      const {collection} = await helper.eth.createCollection(testCase.mode, caller, 'OwnerOf', '6', '6');
+      const {collection} = await helper.eth.createCollection(caller, new CreateCollectionData('OwnerOf', '6', '6', testCase.mode)).send();
 
       const result = await collection.methods.mint(caller).send();
       const tokenId = result.events.Transfer.returnValues.tokenId;
@@ -108,7 +109,7 @@
     itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: ownerOf after burn`, testCase.requiredPallets, async ({helper}) => {
       const caller = await helper.eth.createAccountWithBalance(donor);
       const receiver = helper.eth.createAccount();
-      const {collection, collectionId} = await helper.eth.createCollection(testCase.mode, caller, 'OwnerOf-AfterBurn', '6', '6');
+      const {collection, collectionId} = await helper.eth.createCollection(caller, new CreateCollectionData('OwnerOf-AfterBurn', '6', '6', testCase.mode)).send();
 
       const result = await collection.methods.mint(caller).send();
       const tokenId = result.events.Transfer.returnValues.tokenId;

--- a/tests/src/eth/tokens/minting.test.ts
+++ b/tests/src/eth/tokens/minting.test.ts
@@ -17,6 +17,7 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {Pallets} from '../../util';
 import {expect, itEth, usingEthPlaygrounds} from '../util';
+import {CreateCollectionData} from '../util/playgrounds/types';
 
 
 describe('Minting tokens', () => {
@@ -78,7 +79,7 @@
       const receiver = helper.eth.createAccount();
       const mintingParams = testCase.mode === 'ft' ? [receiver, 100] : [receiver];
 
-      const {collection, collectionAddress, collectionId} = await helper.eth.createCollection(testCase.mode, owner, 'Name', 'Desc', 'Prefix');
+      const {collection, collectionAddress, collectionId} = await helper.eth.createCollection(owner, new CreateCollectionData('Name', 'Desc', 'Prefix', testCase.mode)).send();
 
       const result = await collection.methods.mint(...mintingParams).send({from: owner});
 
@@ -112,7 +113,7 @@
       const receiver = helper.eth.createAccount();
       const mintingParams = testCase.mode === 'ft' ? [receiver, 100] : [receiver];
 
-      const {collection, collectionAddress, collectionId} = await helper.eth.createCollection(testCase.mode, owner, 'Name', 'Desc', 'Prefix');
+      const {collection, collectionAddress, collectionId} = await helper.eth.createCollection(owner, new CreateCollectionData('Name', 'Desc', 'Prefix', testCase.mode)).send();
 
       const result = await collection.methods.mint(...mintingParams).send({from: owner});
 

--- a/tests/src/eth/util/playgrounds/types.ts
+++ b/tests/src/eth/util/playgrounds/types.ts
@@ -1,3 +1,5 @@
+import {CollectionFlag, TCollectionMode} from '../../../util/playgrounds/types';
+
 export interface ContractImports {
   solPath: string;
   fsPath: string;
@@ -19,8 +21,10 @@
   value: bigint,
 }
 
+export type EthAddress = string;
+
 export interface CrossAddress {
-  readonly eth: string,
+  readonly eth: EthAddress,
   readonly sub: string | Uint8Array,
 }
 
@@ -48,3 +52,81 @@
   field: CollectionLimitField,
   value: OptionUint,
 }
+
+export interface CollectionLimitValue {
+  field: CollectionLimitField,
+  value: bigint,
+}
+
+export enum CollectionMode {
+	Fungible,
+	Nonfungible,
+	Refungible,
+}
+
+export interface PropertyPermission {
+  code: TokenPermissionField,
+  value: boolean,
+}
+export interface TokenPropertyPermission {
+  key: string,
+  permissions: PropertyPermission[],
+}
+export interface CollectionNestingAndPermission {
+  token_owner: boolean,
+  collection_admin: boolean,
+  restricted: string[],
+}
+
+export const emptyAddress: [string, string] = [
+  '0x0000000000000000000000000000000000000000',
+  '0',
+];
+
+export const CREATE_COLLECTION_DATA_DEFAULTS = {
+  decimals: 0,
+  properties: [],
+  tokenPropertyPermissions: [],
+  adminList: [],
+  nestingSettings: {token_owner: false, collection_admin: false, restricted: []},
+  limits: [],
+  pendingSponsor: emptyAddress,
+  flags: 0,
+};
+
+export interface Property {
+  key: string;
+  value: Buffer;
+}
+
+export class CreateCollectionData {
+  name: string;
+  description: string;
+  tokenPrefix: string;
+  collectionMode: TCollectionMode;
+  decimals? = 0;
+  properties?: Property[] = [];
+  tokenPropertyPermissions?: TokenPropertyPermission[] = [];
+  adminList?: CrossAddress[] = [];
+  nestingSettings?: CollectionNestingAndPermission = {token_owner: false, collection_admin: false, restricted: []};
+  limits?: CollectionLimitValue[] = [];
+  pendingSponsor?: [string, string] = emptyAddress;
+  flags?: number | CollectionFlag[] = [0];
+
+  constructor(
+    name: string,
+    description: string,
+    tokenPrefix: string,
+    collectionMode: TCollectionMode,
+    decimals = 18,
+  ) {
+    this.name = name;
+    this.description = description;
+    this.tokenPrefix = tokenPrefix;
+    this.collectionMode = collectionMode;
+    if(collectionMode == 'ft')
+      this.decimals = decimals;
+    else
+      this.decimals = 0;
+  }
+}
\ No newline at end of file

--- a/tests/src/eth/util/playgrounds/unique.dev.ts
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -18,7 +18,7 @@
 
 import {ArrangeGroup, DevUniqueHelper} from '../../../util/playgrounds/unique.dev';
 
-import {ContractImports, CompiledContract, CrossAddress, NormalizedEvent, EthProperty} from './types';
+import {ContractImports, CompiledContract, CrossAddress, NormalizedEvent, EthProperty, CollectionMode, CreateCollectionData} from './types';
 
 // Native contracts ABI
 import collectionHelpersAbi from '../../abi/collectionHelpers.json' assert {type: 'json'};
@@ -50,7 +50,6 @@
   }
 }
 
-
 class ContractGroup extends EthGroupBase {
   async findImports(imports?: ContractImports[]) {
     if(!imports) return function(path: string) {
@@ -181,7 +180,84 @@
   }
 }
 
+class CreateCollectionTransaction {
+  signer: string;
+  data: CreateCollectionData;
+  mergeDeprecated: boolean;
+  helper: EthUniqueHelper;
+
+  constructor(helper: EthUniqueHelper, signer: string, data: CreateCollectionData, mergeDeprecated = false) {
+    this.helper = helper;
+    this.signer = signer;
+
+    let flags = 0;
+    // convert CollectionFlags to number and join them in one number
+    if(!data.flags || typeof data.flags == 'number') {
+      flags = data.flags ?? 0;
+    } else {
+      for(let i = 0; i < data.flags.length; i++){
+        const flag = data.flags[i];
+        flags = flags | flag;
+      }
+    }
+    data.flags = flags;
+
+    this.data = data;
+    this.mergeDeprecated = mergeDeprecated;
+  }
+
+  private async createTransaction() {
+    const collectionHelper = await this.helper.ethNativeContract.collectionHelpers(this.signer);
+    let collectionMode;
+    switch (this.data.collectionMode) {
+      case 'nft': collectionMode = CollectionMode.Nonfungible; break;
+      case 'rft': collectionMode = CollectionMode.Refungible; break;
+      case 'ft': collectionMode = CollectionMode.Fungible; break;
+    }
+
+    const tx = collectionHelper.methods.createCollection([
+      this.data.pendingSponsor,
+      this.data.name,
+      this.data.description,
+      this.data.tokenPrefix,
+      collectionMode,
+      this.data.decimals,
+      this.data.properties,
+      this.data.tokenPropertyPermissions,
+      this.data.adminList,
+      this.data.nestingSettings,
+      this.data.limits,
+      this.data.flags,
+    ]);
+    return tx;
+  }
+
+  async send(options?: any): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[], collection: Contract }> {
+    const collectionCreationPrice = {
+      value: Number(this.helper.balance.getCollectionCreationPrice()),
+    };
+    const tx = await this.createTransaction();
+    const result = await tx.send({...options, ...collectionCreationPrice});
 
+    const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
+    const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);
+    const events = this.helper.eth.normalizeEvents(result.events);
+    const collection = await this.helper.ethNativeContract.collectionById(collectionId, this.data.collectionMode, this.signer, this.mergeDeprecated);
+
+    return {collectionId, collectionAddress, events, collection};
+  }
+
+  async call(options?: any) {
+    const collectionCreationPrice = {
+      value: Number(this.helper.balance.getCollectionCreationPrice()),
+    };
+    const tx = await this.createTransaction();
+
+    return await tx.call({...options, ...collectionCreationPrice});
+  }
+}
+
+
 class EthGroup extends EthGroupBase {
   DEFAULT_GAS = 2_500_000;
 
@@ -236,30 +312,28 @@
     }
   }
 
-  async createCollection(mode: TCollectionMode, signer: string, name: string, description: string, tokenPrefix: string, decimals = 18, mergeDeprecated = false): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[], collection: Contract }> {
-    const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();
+  createCollection(signer: string, data: CreateCollectionData, mergeDeprecated = false): CreateCollectionTransaction {
+    return new CreateCollectionTransaction(this.helper, signer, data, mergeDeprecated);
+  }
+
+  createNFTCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[] }> {
+    return this.createCollection(signer, new CreateCollectionData(name, description, tokenPrefix, 'nft')).send();
+  }
+
+  async createERC721MetadataCompatibleCollection(signer: string, data: CreateCollectionData, baseUri: string): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[] }> {
     const collectionHelper = await this.helper.ethNativeContract.collectionHelpers(signer);
-    const functionName: string = this.createCollectionMethodName(mode);
-
-    const functionParams = mode === 'ft' ? [name, decimals, description, tokenPrefix] : [name, description, tokenPrefix];
-    const result = await collectionHelper.methods[functionName](...functionParams).send({value: Number(collectionCreationPrice)});
 
-    const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
-    const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);
-    const events = this.helper.eth.normalizeEvents(result.events);
-    const collection = await this.helper.ethNativeContract.collectionById(collectionId, mode, signer, mergeDeprecated);
+    const {collectionId, collectionAddress, events} = await this.createCollection(signer, data).send();
 
-    return {collectionId, collectionAddress, events, collection};
-  }
+    await collectionHelper.methods.makeCollectionERC721MetadataCompatible(collectionAddress, baseUri).send();
 
-  createNFTCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[] }> {
-    return this.createCollection('nft', signer, name, description, tokenPrefix);
+    return {collectionId, collectionAddress, events};
   }
 
   async createERC721MetadataCompatibleNFTCollection(signer: string, name: string, description: string, tokenPrefix: string, baseUri: string): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[] }> {
     const collectionHelper = await this.helper.ethNativeContract.collectionHelpers(signer);
 
-    const {collectionId, collectionAddress, events} = await this.createCollection('nft', signer, name, description, tokenPrefix);
+    const {collectionId, collectionAddress, events} = await this.createCollection(signer, new CreateCollectionData(name, description, tokenPrefix, 'nft')).send();
 
     await collectionHelper.methods.makeCollectionERC721MetadataCompatible(collectionAddress, baseUri).send();
 
@@ -267,17 +341,17 @@
   }
 
   createRFTCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[] }> {
-    return this.createCollection('rft', signer, name, description, tokenPrefix);
+    return this.createCollection(signer, new CreateCollectionData(name, description, tokenPrefix, 'rft')).send();
   }
 
   createFungibleCollection(signer: string, name: string, decimals: number, description: string, tokenPrefix: string): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[] }> {
-    return this.createCollection('ft', signer, name, description, tokenPrefix, decimals);
+    return this.createCollection(signer, new CreateCollectionData(name, description, tokenPrefix, 'ft')).send();
   }
 
   async createERC721MetadataCompatibleRFTCollection(signer: string, name: string, description: string, tokenPrefix: string, baseUri: string): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[] }> {
     const collectionHelper = await this.helper.ethNativeContract.collectionHelpers(signer);
 
-    const {collectionId, collectionAddress, events} = await this.createCollection('rft', signer, name, description, tokenPrefix);
+    const {collectionId, collectionAddress, events} = await this.createCollection(signer, new CreateCollectionData(name, description, tokenPrefix, 'rft')).send();
 
     await collectionHelper.methods.makeCollectionERC721MetadataCompatible(collectionAddress, baseUri).send();
 
@@ -432,6 +506,13 @@
     };
   }
 
+  fromAddr(address: TEthereumAccount): [string, string] {
+    return [
+      address,
+      '0',
+    ];
+  }
+
   fromKeyringPair(keyring: IKeyringPair): CrossAddress {
     return {
       eth: '0x0000000000000000000000000000000000000000',

--- a/tests/src/interfaces/augment-api-tx.ts
+++ b/tests/src/interfaces/augment-api-tx.ts
@@ -1499,7 +1499,7 @@
        * 
        * * `data`: Explicit data of a collection used for its creation.
        **/
-      createCollectionEx: AugmentedSubmittable<(data: UpDataStructsCreateCollectionData | { mode?: any; access?: any; name?: any; description?: any; tokenPrefix?: any; pendingSponsor?: any; limits?: any; permissions?: any; tokenPropertyPermissions?: any; properties?: any } | string | Uint8Array) => SubmittableExtrinsic<ApiType>, [UpDataStructsCreateCollectionData]>;
+      createCollectionEx: AugmentedSubmittable<(data: UpDataStructsCreateCollectionData | { mode?: any; access?: any; name?: any; description?: any; tokenPrefix?: any; limits?: any; permissions?: any; tokenPropertyPermissions?: any; properties?: any; adminList?: any; pendingSponsor?: any; flags?: any } | string | Uint8Array) => SubmittableExtrinsic<ApiType>, [UpDataStructsCreateCollectionData]>;
       /**
        * Mint an item within a collection.
        *