git.delta.rocks / unique-network / refs/commits / d2735a42ddb8

--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5912,6 +5912,7 @@
 name = "pallet-common"
 version = "0.1.0"
 dependencies = [
+ "ethereum",
  "evm-coder",
  "fp-evm-mapping",
  "frame-benchmarking",

--- a/Makefile
+++ b/Makefile
@@ -16,12 +16,12 @@
 CONTRACT_HELPERS_ABI=./tests/src/eth/util/contractHelpersAbi.json
 
 COLLECTION_HELPER_STUBS=./pallets/unique/src/eth/stubs/
-COLLECTION_HELPER_ABI=./tests/src/eth/collectionHelperAbi.json
+COLLECTION_HELPER_ABI=./tests/src/eth/collectionHelpersAbi.json
 
 TESTS_API=./tests/src/eth/api/
 
 .PHONY: regenerate_solidity
-regenerate_solidity: UniqueFungible.sol UniqueNFT.sol ContractHelpers.sol CollectionHelper.sol
+regenerate_solidity: UniqueFungible.sol UniqueNFT.sol ContractHelpers.sol CollectionHelpers.sol
 
 UniqueFungible.sol:
 	PACKAGE=pallet-fungible NAME=erc::gen_iface OUTPUT=$(TESTS_API)/$@ ./.maintain/scripts/generate_sol.sh
@@ -35,7 +35,7 @@
 	PACKAGE=pallet-evm-contract-helpers NAME=eth::contract_helpers_iface OUTPUT=$(TESTS_API)/$@ ./.maintain/scripts/generate_sol.sh
 	PACKAGE=pallet-evm-contract-helpers NAME=eth::contract_helpers_impl OUTPUT=$(CONTRACT_HELPERS_STUBS)/$@ ./.maintain/scripts/generate_sol.sh
 
-CollectionHelper.sol:
+CollectionHelpers.sol:
 	PACKAGE=pallet-unique NAME=eth::collection_helper_iface OUTPUT=$(TESTS_API)/$@ ./.maintain/scripts/generate_sol.sh
 	PACKAGE=pallet-unique NAME=eth::collection_helper_impl OUTPUT=$(COLLECTION_HELPER_STUBS)/$@ ./.maintain/scripts/generate_sol.sh
 
@@ -51,11 +51,11 @@
 	INPUT=$(CONTRACT_HELPERS_STUBS)/$< OUTPUT=$(CONTRACT_HELPERS_STUBS)/ContractHelpers.raw ./.maintain/scripts/compile_stub.sh
 	INPUT=$(CONTRACT_HELPERS_STUBS)/$< OUTPUT=$(CONTRACT_HELPERS_ABI) ./.maintain/scripts/generate_abi.sh
 
-CollectionHelper: CollectionHelper.sol
-	INPUT=$(COLLECTION_HELPER_STUBS)/$< OUTPUT=$(COLLECTION_HELPER_STUBS)/CollectionHelper.raw ./.maintain/scripts/compile_stub.sh
+CollectionHelpers: CollectionHelpers.sol
+	INPUT=$(COLLECTION_HELPER_STUBS)/$< OUTPUT=$(COLLECTION_HELPER_STUBS)/CollectionHelpers.raw ./.maintain/scripts/compile_stub.sh
 	INPUT=$(COLLECTION_HELPER_STUBS)/$< OUTPUT=$(COLLECTION_HELPER_ABI) ./.maintain/scripts/generate_abi.sh
 
-evm_stubs: UniqueFungible UniqueNFT ContractHelpers CollectionHelper
+evm_stubs: UniqueFungible UniqueNFT ContractHelpers CollectionHelpers
 
 .PHONY: _bench
 _bench:

--- a/pallets/common/Cargo.toml
+++ b/pallets/common/Cargo.toml
@@ -21,6 +21,7 @@
 up-data-structs = { default-features = false, path = '../../primitives/data-structs' }
 pallet-evm-coder-substrate = { default-features = false, path = '../../pallets/evm-coder-substrate' }
 evm-coder = { default-features = false, path = '../../crates/evm-coder' }
+ethereum = { version = "0.12.0", default-features = false }
 pallet-evm = { default-features = false, git = "https://github.com/uniquenetwork/frontier", branch = "unique-polkadot-v0.9.21-logs" }
 
 serde = { version = "1.0.130", default-features = false }

--- a/pallets/common/src/dispatch.rs
+++ b/pallets/common/src/dispatch.rs
@@ -56,7 +56,10 @@
 }
 
 pub trait CollectionDispatch<T: Config> {
-	fn create(sender: T::AccountId, data: CreateCollectionData<T::AccountId>) -> DispatchResult;
+	fn create(
+		sender: T::CrossAccountId,
+		data: CreateCollectionData<T::AccountId>,
+	) -> DispatchResult;
 	fn destroy(sender: T::CrossAccountId, handle: CollectionHandle<T>) -> DispatchResult;
 
 	fn dispatch(handle: CollectionHandle<T>) -> Self;

--- a/pallets/common/src/erc.rs
+++ b/pallets/common/src/erc.rs
@@ -15,7 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 use evm_coder::{
-	solidity_interface, solidity,
+	solidity_interface, solidity, ToLog,
 	types::*,
 	execution::{Result, Error},
 };
@@ -28,6 +28,16 @@
 
 use crate::{Pallet, CollectionHandle, Config, CollectionProperties};
 
+#[derive(ToLog)]
+pub enum CollectionHelpersEvents {
+	CollectionCreated {
+		#[indexed]
+		owner: address,
+		#[indexed]
+		collection_id: address,
+	},
+}
+
 /// Does not always represent a full collection, for RFT it is either
 /// collection (Implementing ERC721), or specific collection token (Implementing ERC20)
 pub trait CommonEvmHandler {

--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -21,12 +21,12 @@
 use core::ops::{Deref, DerefMut};
 use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};
 use sp_std::vec::Vec;
-use pallet_evm::account::CrossAccountId;
+use pallet_evm::{account::CrossAccountId, Pallet as PalletEvm};
+use evm_coder::ToLog;
 use frame_support::{
 	dispatch::{DispatchErrorWithPostInfo, DispatchResultWithPostInfo, Weight, PostDispatchInfo},
 	ensure,
 	traits::{Imbalance, Get, Currency, WithdrawReasons, ExistenceRequirement},
-	BoundedVec,
 	weights::Pays,
 	transactional,
 };
@@ -54,7 +54,6 @@
 	CreateItemExData,
 	SponsoringRateLimit,
 	budget::Budget,
-	COLLECTION_FIELD_LIMIT,
 	PhantomType,
 	Property,
 	Properties,
@@ -218,7 +217,11 @@
 
 	#[pallet::config]
 	pub trait Config:
-		frame_system::Config + pallet_evm_coder_substrate::Config + TypeInfo + account::Config
+		frame_system::Config
+		+ pallet_evm_coder_substrate::Config
+		+ pallet_evm::Config
+		+ TypeInfo
+		+ account::Config
 	{
 		type WeightInfo: WeightInfo;
 		type Event: IsType<<Self as frame_system::Config>::Event> + From<Event<Self>>;
@@ -232,6 +235,7 @@
 		type CollectionDispatch: CollectionDispatch<Self>;
 
 		type TreasuryAccountId: Get<Self::AccountId>;
+		type ContractAddress: Get<H160>;
 
 		type EvmTokenAddressMapping: TokenAddressMapping<H160>;
 		type CrossTokenAddressMapping: TokenAddressMapping<Self::CrossAccountId>;
@@ -722,7 +726,7 @@
 
 impl<T: Config> Pallet<T> {
 	pub fn init_collection(
-		owner: T::AccountId,
+		owner: T::CrossAccountId,
 		data: CreateCollectionData<T::AccountId>,
 	) -> Result<CollectionId, DispatchError> {
 		{
@@ -748,7 +752,7 @@
 		// =========
 
 		let collection = Collection {
-			owner: owner.clone(),
+			owner: owner.as_sub().clone(),
 			name: data.name,
 			mode: data.mode.clone(),
 			description: data.description,
@@ -794,7 +798,7 @@
 				),
 			);
 			<T as Config>::Currency::settle(
-				&owner,
+				&owner.as_sub(),
 				imbalance,
 				WithdrawReasons::TRANSFER,
 				ExistenceRequirement::KeepAlive,
@@ -803,7 +807,18 @@
 		}
 
 		<CreatedCollectionCount<T>>::put(created_count);
-		<Pallet<T>>::deposit_event(Event::CollectionCreated(id, data.mode.id(), owner.clone()));
+		<Pallet<T>>::deposit_event(Event::CollectionCreated(
+			id,
+			data.mode.id(),
+			owner.as_sub().clone(),
+		));
+		<PalletEvm<T>>::deposit_log(
+			erc::CollectionHelpersEvents::CollectionCreated {
+				owner: *owner.as_eth(),
+				collection_id: eth::collection_id_to_address(id),
+			}
+			.to_log(T::ContractAddress::get()),
+		);
 		<CollectionById<T>>::insert(id, collection);
 		Ok(id)
 	}

--- a/pallets/evm-coder-substrate/src/lib.rs
+++ b/pallets/evm-coder-substrate/src/lib.rs
@@ -66,9 +66,7 @@
 	}
 
 	#[pallet::config]
-	pub trait Config: frame_system::Config {
-		type GasWeightMapping: pallet_evm::GasWeightMapping;
-	}
+	pub trait Config: frame_system::Config + pallet_evm::Config {}
 
 	#[pallet::pallet]
 	pub struct Pallet<T>(_);

--- a/pallets/fungible/src/lib.rs
+++ b/pallets/fungible/src/lib.rs
@@ -134,7 +134,7 @@
 
 impl<T: Config> Pallet<T> {
 	pub fn init_collection(
-		owner: T::AccountId,
+		owner: T::CrossAccountId,
 		data: CreateCollectionData<T::AccountId>,
 	) -> Result<CollectionId, DispatchError> {
 		<PalletCommon<T>>::init_collection(owner, data)

binary blob — no preview

--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -127,7 +127,7 @@
 	}
 }
 
-// Selector: f5652829
+// Selector: c894dc35
 contract Collection is Dummy, ERC165 {
 	// Selector: setCollectionProperty(string,bytes) 2f073f66
 	function setCollectionProperty(string memory key, bytes memory value)
@@ -173,8 +173,16 @@
 		dummy = 0;
 	}
 
-	// Selector: setLimit(string,string) bf4d2014
-	function setLimit(string memory limit, string memory value) public {
+	// Selector: setLimit(string,uint32) 68db30ca
+	function setLimit(string memory limit, uint32 value) public {
+		require(false, stub_error);
+		limit;
+		value;
+		dummy = 0;
+	}
+
+	// Selector: setLimit(string,bool) ea67e4c2
+	function setLimit(string memory limit, bool value) public {
 		require(false, stub_error);
 		limit;
 		value;

--- a/pallets/nonfungible/src/lib.rs
+++ b/pallets/nonfungible/src/lib.rs
@@ -295,7 +295,7 @@
 // unchecked calls skips any permission checks
 impl<T: Config> Pallet<T> {
 	pub fn init_collection(
-		owner: T::AccountId,
+		owner: T::CrossAccountId,
 		data: CreateCollectionData<T::AccountId>,
 	) -> Result<CollectionId, DispatchError> {
 		<PalletCommon<T>>::init_collection(owner, data)

binary blob — no preview

--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -330,57 +330,7 @@
 	}
 }
 
-// Selector: d74d154f
-contract ERC721UniqueExtensions is Dummy, ERC165 {
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 tokenId) public {
-		require(false, stub_error);
-		to;
-		tokenId;
-		dummy = 0;
-	}
-
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 tokenId) public {
-		require(false, stub_error);
-		from;
-		tokenId;
-		dummy = 0;
-	}
-
-	// Selector: nextTokenId() 75794a3c
-	function nextTokenId() public view returns (uint256) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-
-	// Selector: mintBulk(address,uint256[]) 44a9945e
-	function mintBulk(address to, uint256[] memory tokenIds)
-		public
-		returns (bool)
-	{
-		require(false, stub_error);
-		to;
-		tokenIds;
-		dummy = 0;
-		return false;
-	}
-
-	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
-	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
-		public
-		returns (bool)
-	{
-		require(false, stub_error);
-		to;
-		tokens;
-		dummy = 0;
-		return false;
-	}
-}
-
-// Selector: f5652829
+// Selector: c894dc35
 contract Collection is Dummy, ERC165 {
 	// Selector: setCollectionProperty(string,bytes) 2f073f66
 	function setCollectionProperty(string memory key, bytes memory value)
@@ -426,8 +376,16 @@
 		dummy = 0;
 	}
 
-	// Selector: setLimit(string,string) bf4d2014
-	function setLimit(string memory limit, string memory value) public {
+	// Selector: setLimit(string,uint32) 68db30ca
+	function setLimit(string memory limit, uint32 value) public {
+		require(false, stub_error);
+		limit;
+		value;
+		dummy = 0;
+	}
+
+	// Selector: setLimit(string,bool) ea67e4c2
+	function setLimit(string memory limit, bool value) public {
 		require(false, stub_error);
 		limit;
 		value;
@@ -442,6 +400,56 @@
 	}
 }
 
+// Selector: d74d154f
+contract ERC721UniqueExtensions is Dummy, ERC165 {
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 tokenId) public {
+		require(false, stub_error);
+		to;
+		tokenId;
+		dummy = 0;
+	}
+
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 tokenId) public {
+		require(false, stub_error);
+		from;
+		tokenId;
+		dummy = 0;
+	}
+
+	// Selector: nextTokenId() 75794a3c
+	function nextTokenId() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+
+	// Selector: mintBulk(address,uint256[]) 44a9945e
+	function mintBulk(address to, uint256[] memory tokenIds)
+		public
+		returns (bool)
+	{
+		require(false, stub_error);
+		to;
+		tokenIds;
+		dummy = 0;
+		return false;
+	}
+
+	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
+	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
+		public
+		returns (bool)
+	{
+		require(false, stub_error);
+		to;
+		tokens;
+		dummy = 0;
+		return false;
+	}
+}
+
 contract UniqueNFT is
 	Dummy,
 	ERC165,

--- a/pallets/proxy-rmrk-core/src/lib.rs
+++ b/pallets/proxy-rmrk-core/src/lib.rs
@@ -139,7 +139,8 @@
 				..Default::default()
 			};
 
-			let collection_id_res = <PalletNft<T>>::init_collection(sender.clone(), data);
+			let collection_id_res =
+				<PalletNft<T>>::init_collection(T::CrossAccountId::from_sub(sender.clone()), data);
 
 			if let Err(DispatchError::Arithmetic(_)) = &collection_id_res {
 				return Err(<Error<T>>::NoAvailableCollectionId.into());

--- a/pallets/proxy-rmrk-equip/src/lib.rs
+++ b/pallets/proxy-rmrk-equip/src/lib.rs
@@ -94,7 +94,7 @@
 				..Default::default()
 			};
 
-			let collection_id_res = <PalletNft<T>>::init_collection(sender.clone(), data);
+			let collection_id_res = <PalletNft<T>>::init_collection(cross_sender.clone(), data);
 
 			if let Err(DispatchError::Arithmetic(_)) = &collection_id_res {
 				return Err(<Error<T>>::NoAvailableBaseId.into());

--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -197,7 +197,7 @@
 // unchecked calls skips any permission checks
 impl<T: Config> Pallet<T> {
 	pub fn init_collection(
-		owner: T::AccountId,
+		owner: T::CrossAccountId,
 		data: CreateCollectionData<T::AccountId>,
 	) -> Result<CollectionId, DispatchError> {
 		<PalletCommon<T>>::init_collection(owner, data)

--- a/pallets/unique/src/eth/mod.rs
+++ b/pallets/unique/src/eth/mod.rs
@@ -24,14 +24,17 @@
 	MAX_COLLECTION_NAME_LENGTH,
 };
 use frame_support::traits::Get;
-use pallet_common::{CollectionById, erc::token_uri_key};
+use pallet_common::{
+	CollectionById,
+	erc::{token_uri_key, CollectionHelpersEvents},
+};
 use crate::{SelfWeightOf, Config, weights::WeightInfo};
 
 use sp_std::vec::Vec;
 use alloc::format;
 
-struct EvmCollectionHelper<T: Config>(SubstrateRecorder<T>);
-impl<T: Config> WithRecorder<T> for EvmCollectionHelper<T> {
+struct EvmCollectionHelpers<T: Config>(SubstrateRecorder<T>);
+impl<T: Config> WithRecorder<T> for EvmCollectionHelpers<T> {
 	fn recorder(&self) -> &SubstrateRecorder<T> {
 		&self.0
 	}
@@ -41,8 +44,8 @@
 	}
 }
 
-#[solidity_interface(name = "CollectionHelper")]
-impl<T: Config + pallet_nonfungible::Config> EvmCollectionHelper<T> {
+#[solidity_interface(name = "CollectionHelpers", events(CollectionHelpersEvents))]
+impl<T: Config + pallet_nonfungible::Config> EvmCollectionHelpers<T> {
 	#[weight(<SelfWeightOf<T>>::create_collection())]
 	fn create_nonfungible_collection(
 		&self,
@@ -89,9 +92,8 @@
 			..Default::default()
 		};
 
-		let collection_id =
-			<pallet_nonfungible::Pallet<T>>::init_collection(caller.as_sub().clone(), data)
-				.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
+		let collection_id = <pallet_nonfungible::Pallet<T>>::init_collection(caller.clone(), data)
+			.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
 
 		let address = pallet_common::eth::collection_id_to_address(collection_id);
 		Ok(address)
@@ -107,8 +109,8 @@
 	}
 }
 
-pub struct CollectionHelperOnMethodCall<T: Config>(PhantomData<*const T>);
-impl<T: Config + pallet_nonfungible::Config> OnMethodCall<T> for CollectionHelperOnMethodCall<T> {
+pub struct CollectionHelpersOnMethodCall<T: Config>(PhantomData<*const T>);
+impl<T: Config + pallet_nonfungible::Config> OnMethodCall<T> for CollectionHelpersOnMethodCall<T> {
 	fn is_reserved(contract: &sp_core::H160) -> bool {
 		contract == &T::ContractAddress::get()
 	}
@@ -128,18 +130,18 @@
 			return None;
 		}
 
-		let helpers = EvmCollectionHelper::<T>(SubstrateRecorder::<T>::new(gas_left));
+		let helpers = EvmCollectionHelpers::<T>(SubstrateRecorder::<T>::new(gas_left));
 		pallet_evm_coder_substrate::call(*source, helpers, value, input)
 	}
 
 	fn get_code(contract: &sp_core::H160) -> Option<Vec<u8>> {
 		(contract == &T::ContractAddress::get())
-			.then(|| include_bytes!("./stubs/CollectionHelper.raw").to_vec())
+			.then(|| include_bytes!("./stubs/CollectionHelpers.raw").to_vec())
 	}
 }
 
-generate_stubgen!(collection_helper_impl, CollectionHelperCall<()>, true);
-generate_stubgen!(collection_helper_iface, CollectionHelperCall<()>, false);
+generate_stubgen!(collection_helper_impl, CollectionHelpersCall<()>, true);
+generate_stubgen!(collection_helper_iface, CollectionHelpersCall<()>, false);
 
 fn error_feild_too_long(feild: &str, bound: u32) -> Error {
 	Error::Revert(format!("{} is too long. Max length is {}.", feild, bound))

--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -30,10 +30,9 @@
 	ensure,
 	weights::{Weight},
 	transactional,
-	pallet_prelude::{DispatchResultWithPostInfo, ConstU32, Get},
+	pallet_prelude::{DispatchResultWithPostInfo, ConstU32},
 	BoundedVec,
 };
-use sp_core::H160;
 use scale_info::TypeInfo;
 use frame_system::{self as system, ensure_signed};
 use sp_runtime::{sp_std::prelude::Vec};
@@ -75,7 +74,6 @@
 	/// Weight information for extrinsics in this pallet.
 	type WeightInfo: WeightInfo;
 	type CommonWeightInfo: CommonWeightInfo<Self::CrossAccountId>;
-	type ContractAddress: Get<H160>;
 }
 
 decl_event! {
@@ -287,7 +285,7 @@
 
 			// =========
 
-			T::CollectionDispatch::create(sender, data)?;
+			T::CollectionDispatch::create(T::CrossAccountId::from_sub(sender), data)?;
 
 			Ok(())
 		}

--- a/runtime/common/src/dispatch.rs
+++ b/runtime/common/src/dispatch.rs
@@ -30,7 +30,10 @@
 		+ pallet_nonfungible::Config
 		+ pallet_refungible::Config,
 {
-	fn create(sender: T::AccountId, data: CreateCollectionData<T::AccountId>) -> DispatchResult {
+	fn create(
+		sender: T::CrossAccountId,
+		data: CreateCollectionData<T::AccountId>,
+	) -> DispatchResult {
 		let _id = match data.mode {
 			CollectionMode::NFT => <PalletNonfungible<T>>::init_collection(sender, data)?,
 			CollectionMode::Fungible(decimal_points) => {

--- a/runtime/opal/src/lib.rs
+++ b/runtime/opal/src/lib.rs
@@ -306,7 +306,7 @@
 		pallet_evm_migration::OnMethodCall<Self>,
 		pallet_evm_contract_helpers::HelpersOnMethodCall<Self>,
 		CollectionDispatchT<Self>,
-		pallet_unique::eth::CollectionHelperOnMethodCall<Self>,
+		pallet_unique::eth::CollectionHelpersOnMethodCall<Self>,
 	);
 	type OnCreate = pallet_evm_contract_helpers::HelpersOnCreate<Self>;
 	type ChainId = ChainId;
@@ -821,9 +821,7 @@
 	XcmpQueue,
 );
 
-impl pallet_evm_coder_substrate::Config for Runtime {
-	type GasWeightMapping = FixedGasWeightMapping;
-}
+impl pallet_evm_coder_substrate::Config for Runtime {}
 
 impl pallet_xcm::Config for Runtime {
 	type Event = Event;
@@ -885,6 +883,7 @@
 
 	type EvmTokenAddressMapping = EvmTokenAddressMapping;
 	type CrossTokenAddressMapping = CrossTokenAddressMapping<Self::AccountId>;
+	type ContractAddress = EvmCollectionHelpersAddress;
 }
 
 impl pallet_structure::Config for Runtime {
@@ -917,7 +916,6 @@
 	type Event = Event;
 	type WeightInfo = pallet_unique::weights::SubstrateWeight<Self>;
 	type CommonWeightInfo = CommonWeights<Self>;
-	type ContractAddress = EvmCollectionHelperAddress;
 }
 
 parameter_types! {
@@ -980,7 +978,7 @@
 	]);
 
 	// 0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f
-	pub const EvmCollectionHelperAddress: H160 = H160([
+	pub const EvmCollectionHelpersAddress: H160 = H160([
 		0x6c, 0x4e, 0x9f, 0xe1, 0xae, 0x37, 0xa4, 0x1e, 0x93, 0xce, 0xe4, 0x29, 0xe8, 0xe1, 0x88, 0x1a, 0xbd, 0xcb, 0xb5, 0x4f,
 	]);
 }

--- a/runtime/quartz/src/lib.rs
+++ b/runtime/quartz/src/lib.rs
@@ -285,7 +285,7 @@
 		pallet_evm_migration::OnMethodCall<Self>,
 		pallet_evm_contract_helpers::HelpersOnMethodCall<Self>,
 		CollectionDispatchT<Self>,
-		pallet_unique::eth::CollectionHelperOnMethodCall<Self>,
+		pallet_unique::eth::CollectionHelpersOnMethodCall<Self>,
 	);
 	type OnCreate = pallet_evm_contract_helpers::HelpersOnCreate<Self>;
 	type ChainId = ChainId;
@@ -800,9 +800,7 @@
 	XcmpQueue,
 );
 
-impl pallet_evm_coder_substrate::Config for Runtime {
-	type GasWeightMapping = FixedGasWeightMapping;
-}
+impl pallet_evm_coder_substrate::Config for Runtime {}
 
 impl pallet_xcm::Config for Runtime {
 	type Event = Event;
@@ -864,6 +862,7 @@
 
 	type EvmTokenAddressMapping = EvmTokenAddressMapping;
 	type CrossTokenAddressMapping = CrossTokenAddressMapping<Self::AccountId>;
+	type ContractAddress = EvmCollectionHelpersAddress;
 }
 
 impl pallet_structure::Config for Runtime {
@@ -900,7 +899,6 @@
 	type Event = Event;
 	type WeightInfo = pallet_unique::weights::SubstrateWeight<Self>;
 	type CommonWeightInfo = CommonWeights<Self>;
-	type ContractAddress = EvmCollectionHelperAddress;
 }
 
 parameter_types! {
@@ -963,7 +961,7 @@
 	]);
 		
 	// 0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f
-	pub const EvmCollectionHelperAddress: H160 = H160([
+	pub const EvmCollectionHelpersAddress: H160 = H160([
 		0x6c, 0x4e, 0x9f, 0xe1, 0xae, 0x37, 0xa4, 0x1e, 0x93, 0xce, 0xe4, 0x29, 0xe8, 0xe1, 0x88, 0x1a, 0xbd, 0xcb, 0xb5, 0x4f,
 	]);
 }

209	type TransactionValidityHack = ();209	type TransactionValidityHack = ();
210}210}
211impl pallet_evm_coder_substrate::Config for Test {211impl pallet_evm_coder_substrate::Config for Test {}
212	type GasWeightMapping = ();
213}
214212
215impl pallet_common::Config for Test {213impl pallet_common::Config for Test {
222	type CollectionDispatch = CollectionDispatchT<Self>;220	type CollectionDispatch = CollectionDispatchT<Self>;
223	type EvmTokenAddressMapping = EvmTokenAddressMapping;221	type EvmTokenAddressMapping = EvmTokenAddressMapping;
224	type CrossTokenAddressMapping = CrossTokenAddressMapping<Self::AccountId>;222	type CrossTokenAddressMapping = CrossTokenAddressMapping<Self::AccountId>;
223	type ContractAddress = EvmCollectionHelpersAddress;
225}224}
226225
227impl pallet_evm::account::Config for Test {226impl pallet_evm::account::Config for Test {
247246
248parameter_types! {247parameter_types! {
249	// 0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f248	// 0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f
250	pub const EvmCollectionHelperAddress: H160 = H160([249	pub const EvmCollectionHelpersAddress: H160 = H160([
251		0x6c, 0x4e, 0x9f, 0xe1, 0xae, 0x37, 0xa4, 0x1e, 0x93, 0xce, 0xe4, 0x29, 0xe8, 0xe1, 0x88, 0x1a, 0xbd, 0xcb, 0xb5, 0x4f,250		0x6c, 0x4e, 0x9f, 0xe1, 0xae, 0x37, 0xa4, 0x1e, 0x93, 0xce, 0xe4, 0x29, 0xe8, 0xe1, 0x88, 0x1a, 0xbd, 0xcb, 0xb5, 0x4f,
252	]);251	]);
253}252}
256	type Event = ();255	type Event = ();
257	type WeightInfo = ();256	type WeightInfo = ();
258	type CommonWeightInfo = CommonWeights<Self>;257	type CommonWeightInfo = CommonWeights<Self>;
259	type ContractAddress = EvmCollectionHelperAddress;
260}258}
261259
262// Build genesis storage according to the mock runtime.260// Build genesis storage according to the mock runtime.

--- a/runtime/unique/src/lib.rs
+++ b/runtime/unique/src/lib.rs
@@ -290,7 +290,7 @@
 		pallet_evm_migration::OnMethodCall<Self>,
 		pallet_evm_contract_helpers::HelpersOnMethodCall<Self>,
 		CollectionDispatchT<Self>,
-		pallet_unique::eth::CollectionHelperOnMethodCall<Self>,
+		pallet_unique::eth::CollectionHelpersOnMethodCall<Self>,
 	);
 	type OnCreate = pallet_evm_contract_helpers::HelpersOnCreate<Self>;
 	type ChainId = ChainId;
@@ -805,9 +805,7 @@
 	XcmpQueue,
 );
 
-impl pallet_evm_coder_substrate::Config for Runtime {
-	type GasWeightMapping = FixedGasWeightMapping;
-}
+impl pallet_evm_coder_substrate::Config for Runtime {}
 
 impl pallet_xcm::Config for Runtime {
 	type Event = Event;
@@ -869,6 +867,7 @@
 
 	type EvmTokenAddressMapping = EvmTokenAddressMapping;
 	type CrossTokenAddressMapping = CrossTokenAddressMapping<Self::AccountId>;
+	type ContractAddress = EvmCollectionHelpersAddress;
 }
 
 impl pallet_structure::Config for Runtime {
@@ -905,7 +904,6 @@
 	type Event = Event;
 	type WeightInfo = pallet_unique::weights::SubstrateWeight<Self>;
 	type CommonWeightInfo = CommonWeights<Self>;
-	type ContractAddress = EvmCollectionHelperAddress;
 }
 
 parameter_types! {
@@ -968,7 +966,7 @@
 	]);
 		
 	// 0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f
-	pub const EvmCollectionHelperAddress: H160 = H160([
+	pub const EvmCollectionHelpersAddress: H160 = H160([
 		0x6c, 0x4e, 0x9f, 0xe1, 0xae, 0x37, 0xa4, 0x1e, 0x93, 0xce, 0xe4, 0x29, 0xe8, 0xe1, 0x88, 0x1a, 0xbd, 0xcb, 0xb5, 0x4f,
 	]);
 }

--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -65,7 +65,7 @@
 		returns (uint256);
 }
 
-// Selector: f5652829
+// Selector: c894dc35
 interface Collection is Dummy, ERC165 {
 	// Selector: setCollectionProperty(string,bytes) 2f073f66
 	function setCollectionProperty(string memory key, bytes memory value)
@@ -88,8 +88,11 @@
 	// Selector: ethConfirmSponsorship() a8580d1a
 	function ethConfirmSponsorship() external;
 
-	// Selector: setLimit(string,string) bf4d2014
-	function setLimit(string memory limit, string memory value) external;
+	// Selector: setLimit(string,uint32) 68db30ca
+	function setLimit(string memory limit, uint32 value) external;
+
+	// Selector: setLimit(string,bool) ea67e4c2
+	function setLimit(string memory limit, bool value) external;
 
 	// Selector: contractAddress() f6b4dfb4
 	function contractAddress() external view returns (address);

--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -191,29 +191,7 @@
 	function totalSupply() external view returns (uint256);
 }
 
-// Selector: d74d154f
-interface ERC721UniqueExtensions is Dummy, ERC165 {
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 tokenId) external;
-
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 tokenId) external;
-
-	// Selector: nextTokenId() 75794a3c
-	function nextTokenId() external view returns (uint256);
-
-	// Selector: mintBulk(address,uint256[]) 44a9945e
-	function mintBulk(address to, uint256[] memory tokenIds)
-		external
-		returns (bool);
-
-	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
-	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
-		external
-		returns (bool);
-}
-
-// Selector: f5652829
+// Selector: c894dc35
 interface Collection is Dummy, ERC165 {
 	// Selector: setCollectionProperty(string,bytes) 2f073f66
 	function setCollectionProperty(string memory key, bytes memory value)
@@ -236,13 +214,38 @@
 	// Selector: ethConfirmSponsorship() a8580d1a
 	function ethConfirmSponsorship() external;
 
-	// Selector: setLimit(string,string) bf4d2014
-	function setLimit(string memory limit, string memory value) external;
+	// Selector: setLimit(string,uint32) 68db30ca
+	function setLimit(string memory limit, uint32 value) external;
+
+	// Selector: setLimit(string,bool) ea67e4c2
+	function setLimit(string memory limit, bool value) external;
 
 	// Selector: contractAddress() f6b4dfb4
 	function contractAddress() external view returns (address);
 }
 
+// Selector: d74d154f
+interface ERC721UniqueExtensions is Dummy, ERC165 {
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 tokenId) external;
+
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 tokenId) external;
+
+	// Selector: nextTokenId() 75794a3c
+	function nextTokenId() external view returns (uint256);
+
+	// Selector: mintBulk(address,uint256[]) 44a9945e
+	function mintBulk(address to, uint256[] memory tokenIds)
+		external
+		returns (bool);
+
+	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
+	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
+		external
+		returns (bool);
+}
+
 interface UniqueNFT is
 	Dummy,
 	ERC165,

--- a/tests/src/eth/contractSponsoring.test.ts
+++ b/tests/src/eth/contractSponsoring.test.ts
@@ -29,7 +29,7 @@
   normalizeEvents,
   subToEth,
   executeEthTxOnSub,
-  evmCollectionHelper,
+  evmCollectionHelpers,
   getCollectionAddressFromResult,
   evmCollection,
 } from './util/helpers';
@@ -224,8 +224,8 @@
   //TODO: CORE-302 add eth methods
   itWeb3.skip('Sponsoring evm address from substrate collection', async ({api, web3}) => {
     const owner = await createEthAccountWithBalance(api, web3);
-    const collectionHelper = evmCollectionHelper(web3, owner);
-    let result = await collectionHelper.methods.create721Collection('Sponsor collection', '1', '1').send();
+    const collectionHelpers = evmCollectionHelpers(web3, owner);
+    let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
     const sponsor = await createEthAccountWithBalance(api, web3);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);

--- a/tests/src/eth/createCollection.test.ts
+++ b/tests/src/eth/createCollection.test.ts
@@ -18,7 +18,7 @@
 import {expect} from 'chai';
 import {getCreatedCollectionCount, getDetailedCollectionInfo} from '../util/helpers';
 import {
-  evmCollectionHelper,
+  evmCollectionHelpers,
   collectionIdToAddress,
   createEthAccount,
   createEthAccountWithBalance,
@@ -30,14 +30,14 @@
 describe('Create collection from EVM', () => {
   itWeb3('Create collection', async ({api, web3}) => {
     const owner = await createEthAccountWithBalance(api, web3);
-    const helper = evmCollectionHelper(web3, owner);
+    const helper = evmCollectionHelpers(web3, owner);
     const collectionName = 'CollectionEVM';
     const description = 'Some description';
     const tokenPrefix = 'token prefix';
   
     const collectionCountBefore = await getCreatedCollectionCount(api);
     const result = await helper.methods
-      .create721Collection(collectionName, description, tokenPrefix)
+      .createNonfungibleCollection(collectionName, description, tokenPrefix)
       .send();
     const collectionCountAfter = await getCreatedCollectionCount(api);
   
@@ -51,27 +51,27 @@
 
   itWeb3('Check collection address exist', async ({api, web3}) => {
     const owner = await createEthAccountWithBalance(api, web3);
-    const collectionHelper = evmCollectionHelper(web3, owner);
+    const collectionHelpers = evmCollectionHelpers(web3, owner);
   
     const expectedCollectionId = await getCreatedCollectionCount(api) + 1;
     const expectedCollectionAddress = collectionIdToAddress(expectedCollectionId);
-    expect(await collectionHelper.methods
+    expect(await collectionHelpers.methods
       .isCollectionExist(expectedCollectionAddress)
       .call()).to.be.false;
 
-    await collectionHelper.methods
-      .create721Collection('A', 'A', 'A')
+    await collectionHelpers.methods
+      .createNonfungibleCollection('A', 'A', 'A')
       .send();
     
-    expect(await collectionHelper.methods
+    expect(await collectionHelpers.methods
       .isCollectionExist(expectedCollectionAddress)
       .call()).to.be.true;
   });
   
   itWeb3('Set sponsorship', async ({api, web3}) => {
     const owner = await createEthAccountWithBalance(api, web3);
-    const collectionHelper = evmCollectionHelper(web3, owner);
-    let result = await collectionHelper.methods.create721Collection('Sponsor collection', '1', '1').send();
+    const collectionHelpers = evmCollectionHelpers(web3, owner);
+    let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
     const sponsor = await createEthAccountWithBalance(api, web3);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
@@ -89,8 +89,8 @@
 
   itWeb3('Set limits', async ({api, web3}) => {
     const owner = await createEthAccountWithBalance(api, web3);
-    const collectionHelper = evmCollectionHelper(web3, owner);
-    const result = await collectionHelper.methods.create721Collection('Const collection', '5', '5').send();
+    const collectionHelpers = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelpers.methods.createNonfungibleCollection('Const collection', '5', '5').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
     const limits = {
       accountTokenOwnershipLimit: 1000,
@@ -105,15 +105,15 @@
     };
 
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
-    await collectionEvm.methods.setLimit('accountTokenOwnershipLimit', limits.accountTokenOwnershipLimit.toString()).send();
-    await collectionEvm.methods.setLimit('sponsoredDataSize', limits.sponsoredDataSize.toString()).send();
-    await collectionEvm.methods.setLimit('sponsoredDataRateLimit', limits.sponsoredDataRateLimit.toString()).send();
-    await collectionEvm.methods.setLimit('tokenLimit', limits.tokenLimit.toString()).send();
-    await collectionEvm.methods.setLimit('sponsorTransferTimeout', limits.sponsorTransferTimeout.toString()).send();
-    await collectionEvm.methods.setLimit('sponsorApproveTimeout', limits.sponsorApproveTimeout.toString()).send();
-    await collectionEvm.methods.setLimit('ownerCanTransfer', limits.ownerCanTransfer.toString()).send();
-    await collectionEvm.methods.setLimit('ownerCanDestroy', limits.ownerCanDestroy.toString()).send();
-    await collectionEvm.methods.setLimit('transfersEnabled', limits.transfersEnabled.toString()).send();
+    await collectionEvm.methods['setLimit(string,uint32)']('accountTokenOwnershipLimit', limits.accountTokenOwnershipLimit).send();
+    await collectionEvm.methods['setLimit(string,uint32)']('sponsoredDataSize', limits.sponsoredDataSize).send();
+    await collectionEvm.methods['setLimit(string,uint32)']('sponsoredDataRateLimit', limits.sponsoredDataRateLimit).send();
+    await collectionEvm.methods['setLimit(string,uint32)']('tokenLimit', limits.tokenLimit).send();
+    await collectionEvm.methods['setLimit(string,uint32)']('sponsorTransferTimeout', limits.sponsorTransferTimeout).send();
+    await collectionEvm.methods['setLimit(string,uint32)']('sponsorApproveTimeout', limits.sponsorApproveTimeout).send();
+    await collectionEvm.methods['setLimit(string,bool)']('ownerCanTransfer', limits.ownerCanTransfer).send();
+    await collectionEvm.methods['setLimit(string,bool)']('ownerCanDestroy', limits.ownerCanDestroy).send();
+    await collectionEvm.methods['setLimit(string,bool)']('transfersEnabled', limits.transfersEnabled).send();
     
     const collectionSub = (await getDetailedCollectionInfo(api, collectionId))!;
     expect(collectionSub.limits.accountTokenOwnershipLimit.unwrap().toNumber()).to.be.eq(limits.accountTokenOwnershipLimit);
@@ -130,14 +130,14 @@
   itWeb3('Collection address exist', async ({api, web3}) => {
     const owner = await createEthAccountWithBalance(api, web3);
     const collectionAddressForNonexistentCollection = '0x17C4E6453CC49AAAAEACA894E6D9683E00112233';
-    const collectionHelper = evmCollectionHelper(web3, owner);
-    expect(await collectionHelper.methods
+    const collectionHelpers = evmCollectionHelpers(web3, owner);
+    expect(await collectionHelpers.methods
       .isCollectionExist(collectionAddressForNonexistentCollection).call())
       .to.be.false;
     
-    const result = await collectionHelper.methods.create721Collection('Collection address exist', '7', '7').send();
+    const result = await collectionHelpers.methods.createNonfungibleCollection('Collection address exist', '7', '7').send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
-    expect(await collectionHelper.methods
+    expect(await collectionHelpers.methods
       .isCollectionExist(collectionIdAddress).call())
       .to.be.true;
   });
@@ -146,7 +146,7 @@
 describe('(!negative tests!) Create collection from EVM', () => {
   itWeb3('(!negative test!) Create collection (bad lengths)', async ({api, web3}) => {
     const owner = await createEthAccountWithBalance(api, web3);
-    const helper = evmCollectionHelper(web3, owner);
+    const helper = evmCollectionHelpers(web3, owner);
     {
       const MAX_NAME_LENGHT = 64;
       const collectionName = 'A'.repeat(MAX_NAME_LENGHT + 1);
@@ -154,7 +154,7 @@
       const tokenPrefix = 'A';
     
       await expect(helper.methods
-        .create721Collection(collectionName, description, tokenPrefix)
+        .createNonfungibleCollection(collectionName, description, tokenPrefix)
         .call()).to.be.rejectedWith('name is too long. Max length is ' + MAX_NAME_LENGHT);
       
     }
@@ -164,7 +164,7 @@
       const description = 'A'.repeat(MAX_DESCRIPTION_LENGHT + 1);
       const tokenPrefix = 'A';
       await expect(helper.methods
-        .create721Collection(collectionName, description, tokenPrefix)
+        .createNonfungibleCollection(collectionName, description, tokenPrefix)
         .call()).to.be.rejectedWith('description is too long. Max length is ' + MAX_DESCRIPTION_LENGHT);
     }
     {  
@@ -173,28 +173,28 @@
       const description = 'A';
       const tokenPrefix = 'A'.repeat(MAX_TOKEN_PREFIX_LENGHT + 1);
       await expect(helper.methods
-        .create721Collection(collectionName, description, tokenPrefix)
+        .createNonfungibleCollection(collectionName, description, tokenPrefix)
         .call()).to.be.rejectedWith('token_prefix is too long. Max length is ' + MAX_TOKEN_PREFIX_LENGHT);
     }
   });
   
   itWeb3('(!negative test!) Create collection (no funds)', async ({web3}) => {
     const owner = await createEthAccount(web3);
-    const helper = evmCollectionHelper(web3, owner);
+    const helper = evmCollectionHelpers(web3, owner);
     const collectionName = 'A';
     const description = 'A';
     const tokenPrefix = 'A';
     
     await expect(helper.methods
-      .create721Collection(collectionName, description, tokenPrefix)
+      .createNonfungibleCollection(collectionName, description, tokenPrefix)
       .call()).to.be.rejectedWith('NotSufficientFounds');
   });
 
   itWeb3('(!negative test!) Check owner', async ({api, web3}) => {
     const owner = await createEthAccountWithBalance(api, web3);
     const notOwner = await createEthAccount(web3);
-    const collectionHelper = evmCollectionHelper(web3, owner);
-    const result = await collectionHelper.methods.create721Collection('A', 'A', 'A').send();
+    const collectionHelpers = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelpers.methods.createNonfungibleCollection('A', 'A', 'A').send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const contractEvmFromNotOwner = evmCollection(web3, notOwner, collectionIdAddress);
     const EXPECTED_ERROR = 'NoPermission';
@@ -218,18 +218,12 @@
 
   itWeb3('(!negative test!) Set limits', async ({api, web3}) => {
     const owner = await createEthAccountWithBalance(api, web3);
-    const collectionHelper = evmCollectionHelper(web3, owner);
-    const result = await collectionHelper.methods.create721Collection('Schema collection', 'A', 'A').send();
+    const collectionHelpers = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelpers.methods.createNonfungibleCollection('Schema collection', 'A', 'A').send();
     const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
     const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
     await expect(collectionEvm.methods
       .setLimit('badLimit', 'true')
-      .call()).to.be.rejectedWith('Unknown limit "badLimit"');
-    await expect(collectionEvm.methods
-      .setLimit('sponsoredDataSize', 'badValue')
-      .call()).to.be.rejectedWith('Int value "badValue" parse error:');
-    await expect(collectionEvm.methods
-      .setLimit('ownerCanTransfer', 'badValue')
-      .call()).to.be.rejectedWith('Bool value "badValue" parse error:');
+      .call()).to.be.rejectedWith('Unknown boolean limit "badLimit"');
   });
 });
\ No newline at end of file

--- a/tests/src/eth/fungibleAbi.json
+++ b/tests/src/eth/fungibleAbi.json
@@ -152,7 +152,17 @@
   {
     "inputs": [
       { "internalType": "string", "name": "limit", "type": "string" },
-      { "internalType": "string", "name": "value", "type": "string" }
+      { "internalType": "uint32", "name": "value", "type": "uint32" }
+    ],
+    "name": "setLimit",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "string", "name": "limit", "type": "string" },
+      { "internalType": "bool", "name": "value", "type": "bool" }
     ],
     "name": "setLimit",
     "outputs": [],

--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -16,7 +16,7 @@
 
 import privateKey from '../substrate/privateKey';
 import {approveExpectSuccess, burnItemExpectSuccess, createCollectionExpectSuccess, createItemExpectSuccess, transferExpectSuccess, transferFromExpectSuccess, UNIQUE} from '../util/helpers';
-import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, evmCollection, evmCollectionHelper, GAS_ARGS, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, transferBalanceToEth} from './util/helpers';
+import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, evmCollection, evmCollectionHelpers, GAS_ARGS, getCollectionAddressFromResult, itWeb3, normalizeEvents, recordEthFee, recordEvents, subToEth, transferBalanceToEth} from './util/helpers';
 import nonFungibleAbi from './nonFungibleAbi.json';
 import {expect} from 'chai';
 import {submitTransactionAsync} from '../substrate/substrate-api';
@@ -76,8 +76,8 @@
 describe('NFT: Plain calls', () => {
   itWeb3('Can perform mint()', async ({web3, api}) => {
     const owner = await createEthAccountWithBalance(api, web3);
-    const helper = evmCollectionHelper(web3, owner);
-    let result = await helper.methods.create721Collection('Mint collection', '6', '6').send();
+    const helper = evmCollectionHelpers(web3, owner);
+    let result = await helper.methods.createNonfungibleCollection('Mint collection', '6', '6').send();
     const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
     const receiver = createEthAccount(web3);
     const contract = evmCollection(web3, owner, collectionIdAddress);

--- a/tests/src/eth/nonFungibleAbi.json
+++ b/tests/src/eth/nonFungibleAbi.json
@@ -326,7 +326,17 @@
   {
     "inputs": [
       { "internalType": "string", "name": "limit", "type": "string" },
-      { "internalType": "string", "name": "value", "type": "string" }
+      { "internalType": "uint32", "name": "value", "type": "uint32" }
+    ],
+    "name": "setLimit",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "string", "name": "limit", "type": "string" },
+      { "internalType": "bool", "name": "value", "type": "bool" }
     ],
     "name": "setLimit",
     "outputs": [],

--- a/tests/src/eth/util/helpers.ts
+++ b/tests/src/eth/util/helpers.ts
@@ -29,7 +29,7 @@
 import privateKey from '../../substrate/privateKey';
 import contractHelpersAbi from './contractHelpersAbi.json';
 import nonFungibleAbi from '../nonFungibleAbi.json';
-import collectionHelperAbi from '../collectionHelperAbi.json';
+import collectionHelpersAbi from '../collectionHelpersAbi.json';
 import getBalance from '../../substrate/get-balance';
 import waitNewBlocks from '../../substrate/wait-new-blocks';
 
@@ -69,7 +69,7 @@
 }
 
 export async function getCollectionAddressFromResult(api: ApiPromise, result: any) {
-  const collectionIdAddress = normalizeAddress(result.events[0].raw.topics[2]);
+  const collectionIdAddress = normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
   const collectionId = collectionIdFromAddress(collectionIdAddress);  
   const collection = (await getDetailedCollectionInfo(api, collectionId))!;
   return {collectionIdAddress, collectionId, collection};
@@ -297,8 +297,8 @@
  * @param caller - eth address
  * @returns 
  */
-export function evmCollectionHelper(web3: Web3, caller: string) {
-  return new web3.eth.Contract(collectionHelperAbi as any, '0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f', {from: caller, ...GAS_ARGS});
+export function evmCollectionHelpers(web3: Web3, caller: string) {
+  return new web3.eth.Contract(collectionHelpersAbi as any, '0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f', {from: caller, ...GAS_ARGS});
 }
 
 /**