git.delta.rocks / unique-network / refs/commits / eadc594eaa1a

--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5510,7 +5510,7 @@
 
 [[package]]
 name = "pallet-common"
-version = "0.1.7"
+version = "0.1.8"
 dependencies = [
  "ethereum",
  "evm-coder",
@@ -5748,7 +5748,7 @@
 
 [[package]]
 name = "pallet-fungible"
-version = "0.1.3"
+version = "0.1.4"
 dependencies = [
  "ethereum",
  "evm-coder",
@@ -5990,7 +5990,7 @@
 
 [[package]]
 name = "pallet-nonfungible"
-version = "0.1.4"
+version = "0.1.5"
 dependencies = [
  "ethereum",
  "evm-coder",
@@ -6112,7 +6112,7 @@
 
 [[package]]
 name = "pallet-refungible"
-version = "0.2.3"
+version = "0.2.4"
 dependencies = [
  "derivative",
  "ethereum",

--- a/crates/evm-coder/CHANGELOG.md
+++ b/crates/evm-coder/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Change Log
 
 All notable changes to this project will be documented in this file.
+
+<!-- bureaucrate goes here -->
 ## [v0.1.2] 2022-08-19
 
 ### Added

--- a/crates/evm-coder/src/solidity.rs
+++ b/crates/evm-coder/src/solidity.rs
@@ -479,7 +479,7 @@
 	}
 }
 
-#[impl_for_tuples(0, 24)]
+#[impl_for_tuples(0, 48)]
 impl SolidityFunctions for Tuple {
 	for_tuples!( where #( Tuple: SolidityFunctions ),* );
 

--- a/pallets/common/CHANGELOG.md
+++ b/pallets/common/CHANGELOG.md
@@ -2,6 +2,16 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.1.8] - 2022-08-24
+
+## Added
+ - Eth methods for collection
+    + set_collection_sponsor_substrate
+    + has_collection_pending_sponsor
+    + remove_collection_sponsor
+    + get_collection_sponsor
+- Add convert function from `uint256` to `CrossAccountId`.
+
 ## [0.1.7] - 2022-08-19
 
 ### Added

--- a/pallets/common/Cargo.toml
+++ b/pallets/common/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pallet-common"
-version = "0.1.7"
+version = "0.1.8"
 license = "GPLv3"
 edition = "2021"
 

--- a/pallets/common/src/erc.rs
+++ b/pallets/common/src/erc.rs
@@ -26,13 +26,13 @@
 use sp_std::vec::Vec;
 use up_data_structs::{
 	AccessMode, CollectionMode, CollectionPermissions, OwnerRestrictedSet, Property,
-	SponsoringRateLimit,
+	SponsoringRateLimit, SponsorshipState,
 };
 use alloc::format;
 
 use crate::{
 	Pallet, CollectionHandle, Config, CollectionProperties,
-	eth::convert_substrate_address_to_cross_account_id,
+	eth::{convert_cross_account_to_uint256, convert_uint256_to_cross_account},
 };
 
 /// Events for ethereum collection helper.
@@ -63,7 +63,7 @@
 #[solidity_interface(name = Collection)]
 impl<T: Config> CollectionHandle<T>
 where
-	T::AccountId: From<[u8; 32]>,
+	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,
 {
 	/// Set collection property.
 	///
@@ -128,6 +128,32 @@
 		save(self)
 	}
 
+	/// Set the substrate sponsor of the collection.
+	///
+	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	///
+	/// @param sponsor Substrate address of the sponsor from whose account funds will be debited for operations with the contract.
+	fn set_collection_sponsor_substrate(
+		&mut self,
+		caller: caller,
+		sponsor: uint256,
+	) -> Result<void> {
+		check_is_owner_or_admin(caller, self)?;
+
+		let sponsor = convert_uint256_to_cross_account::<T>(sponsor);
+		self.set_sponsor(sponsor.as_sub().clone())
+			.map_err(dispatch_to_evm::<T>)?;
+		save(self)
+	}
+
+	// /// Whether there is a pending sponsor.
+	fn has_collection_pending_sponsor(&self) -> Result<bool> {
+		Ok(matches!(
+			self.collection.sponsorship,
+			SponsorshipState::Unconfirmed(_)
+		))
+	}
+
 	/// Collection sponsorship confirmation.
 	///
 	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.
@@ -142,6 +168,32 @@
 		save(self)
 	}
 
+	/// Remove collection sponsor.
+	fn remove_collection_sponsor(&mut self, caller: caller) -> Result<void> {
+		check_is_owner_or_admin(caller, self)?;
+		self.remove_sponsor().map_err(dispatch_to_evm::<T>)?;
+		save(self)
+	}
+
+	/// Get current sponsor.
+	///
+	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
+	fn get_collection_sponsor(&self) -> Result<(address, uint256)> {
+		let sponsor = match self.collection.sponsorship.sponsor() {
+			Some(sponsor) => sponsor,
+			None => return Ok(Default::default()),
+		};
+		let sponsor = T::CrossAccountId::from_sub(sponsor.clone());
+		let result: (address, uint256) = if sponsor.is_canonical_substrate() {
+			let sponsor = convert_cross_account_to_uint256::<T>(&sponsor);
+			(Default::default(), sponsor)
+		} else {
+			let sponsor = *sponsor.as_eth();
+			(sponsor, Default::default())
+		};
+		Ok(result)
+	}
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -235,7 +287,7 @@
 		new_admin: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
-		let new_admin = convert_substrate_address_to_cross_account_id::<T>(new_admin);
+		let new_admin = convert_uint256_to_cross_account::<T>(new_admin);
 		<Pallet<T>>::toggle_admin(self, &caller, &new_admin, true).map_err(dispatch_to_evm::<T>)?;
 		Ok(())
 	}
@@ -248,7 +300,7 @@
 		admin: uint256,
 	) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
-		let admin = convert_substrate_address_to_cross_account_id::<T>(admin);
+		let admin = convert_uint256_to_cross_account::<T>(admin);
 		<Pallet<T>>::toggle_admin(self, &caller, &admin, false).map_err(dispatch_to_evm::<T>)?;
 		Ok(())
 	}
@@ -422,7 +474,7 @@
 	/// @param user account to verify
 	/// @return "true" if account is the owner or admin
 	fn is_owner_or_admin_substrate(&self, user: uint256) -> Result<bool> {
-		let user = convert_substrate_address_to_cross_account_id::<T>(user);
+		let user = convert_uint256_to_cross_account::<T>(user);
 		Ok(self.is_owner_or_admin(&user))
 	}
 
@@ -455,7 +507,7 @@
 	/// @param newOwner new owner substrate account
 	fn set_owner_substrate(&mut self, caller: caller, new_owner: uint256) -> Result<void> {
 		let caller = T::CrossAccountId::from_eth(caller);
-		let new_owner = convert_substrate_address_to_cross_account_id::<T>(new_owner);
+		let new_owner = convert_uint256_to_cross_account::<T>(new_owner);
 		self.set_owner_internal(caller, new_owner)
 			.map_err(dispatch_to_evm::<T>)
 	}

--- a/pallets/common/src/eth.rs
+++ b/pallets/common/src/eth.rs
@@ -59,15 +59,13 @@
 	uint256::from_big_endian(slice)
 }
 
-/// Converts Substrate address to CrossAccountId
-pub fn convert_substrate_address_to_cross_account_id<T: Config>(
-	address: uint256,
-) -> T::CrossAccountId
+/// Convert `uint256` to `CrossAccountId`.
+pub fn convert_uint256_to_cross_account<T: Config>(from: uint256) -> T::CrossAccountId
 where
 	T::AccountId: From<[u8; 32]>,
 {
-	let mut address_arr: [u8; 32] = Default::default();
-	address.to_big_endian(&mut address_arr);
-	let account_id = T::AccountId::from(address_arr);
+	let mut new_admin_arr = [0_u8; 32];
+	from.to_big_endian(&mut new_admin_arr);
+	let account_id = T::AccountId::from(new_admin_arr);
 	T::CrossAccountId::from_sub(account_id)
 }

--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -231,6 +231,12 @@
 		Ok(true)
 	}
 
+	/// Remove collection sponsor.
+	pub fn remove_sponsor(&mut self) -> DispatchResult {
+		self.collection.sponsorship = SponsorshipState::Disabled;
+		Ok(())
+	}
+
 	/// Checks that the collection was created with, and must be operated upon through **Unique API**.
 	/// Now check only the `external_collection` flag and if it's **true**, then return [`Error::CollectionIsExternal`] error.
 	pub fn check_is_internal(&self) -> DispatchResult {
@@ -732,12 +738,7 @@
 
 	/// Get the effective limits for the collection.
 	pub fn effective_collection_limits(collection: CollectionId) -> Option<CollectionLimits> {
-		let collection = <CollectionById<T>>::get(collection);
-		if collection.is_none() {
-			return None;
-		}
-
-		let collection = collection.unwrap();
+		let collection = <CollectionById<T>>::get(collection)?;
 		let limits = collection.limits;
 		let effective_limits = CollectionLimits {
 			account_token_ownership_limit: Some(limits.account_token_ownership_limit()),

--- a/pallets/fungible/CHANGELOG.md
+++ b/pallets/fungible/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## [v0.1.4] - 2022-08-24
+
+### Change
+ - Add bound `AsRef<[u8; 32]>` to `T::CrossAccountId`.
+
 <!-- bureaucrate goes here -->
 ## [v0.1.3] 2022-08-16
 

--- a/pallets/fungible/Cargo.toml
+++ b/pallets/fungible/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pallet-fungible"
-version = "0.1.3"
+version = "0.1.4"
 license = "GPLv3"
 edition = "2021"
 

--- a/pallets/fungible/src/erc.rs
+++ b/pallets/fungible/src/erc.rs
@@ -154,14 +154,14 @@
 		Collection(common_mut, CollectionHandle<T>),
 	)
 )]
-impl<T: Config> FungibleHandle<T> where T::AccountId: From<[u8; 32]> {}
+impl<T: Config> FungibleHandle<T> where T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]> {}
 
 generate_stubgen!(gen_impl, UniqueFungibleCall<()>, true);
 generate_stubgen!(gen_iface, UniqueFungibleCall<()>, false);
 
 impl<T: Config> CommonEvmHandler for FungibleHandle<T>
 where
-	T::AccountId: From<[u8; 32]>,
+	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,
 {
 	const CODE: &'static [u8] = include_bytes!("./stubs/UniqueFungible.raw");
 

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--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -22,7 +22,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xffe4da23
+/// @dev the ERC-165 identifier for this interface is 0xe54be640
 contract Collection is Dummy, ERC165 {
 	/// Set collection property.
 	///
@@ -82,6 +82,27 @@
 		dummy = 0;
 	}
 
+	/// Set the substrate sponsor of the collection.
+	///
+	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	///
+	/// @param sponsor Substrate address of the sponsor from whose account funds will be debited for operations with the contract.
+	/// @dev EVM selector for this function is: 0xc74d6751,
+	///  or in textual repr: setCollectionSponsorSubstrate(uint256)
+	function setCollectionSponsorSubstrate(uint256 sponsor) public {
+		require(false, stub_error);
+		sponsor;
+		dummy = 0;
+	}
+
+	/// @dev EVM selector for this function is: 0x058ac185,
+	///  or in textual repr: hasCollectionPendingSponsor()
+	function hasCollectionPendingSponsor() public view returns (bool) {
+		require(false, stub_error);
+		dummy;
+		return false;
+	}
+
 	/// Collection sponsorship confirmation.
 	///
 	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.
@@ -92,6 +113,25 @@
 		dummy = 0;
 	}
 
+	/// Remove collection sponsor.
+	/// @dev EVM selector for this function is: 0x6e0326a3,
+	///  or in textual repr: removeCollectionSponsor()
+	function removeCollectionSponsor() public {
+		require(false, stub_error);
+		dummy = 0;
+	}
+
+	/// Get current sponsor.
+	///
+	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
+	/// @dev EVM selector for this function is: 0xb66bbc14,
+	///  or in textual repr: getCollectionSponsor()
+	function getCollectionSponsor() public view returns (Tuple6 memory) {
+		require(false, stub_error);
+		dummy;
+		return Tuple6(0x0000000000000000000000000000000000000000, 0);
+	}
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -310,6 +350,12 @@
 	}
 }
 
+/// @dev anonymous struct
+struct Tuple6 {
+	address field_0;
+	uint256 field_1;
+}
+
 /// @dev the ERC-165 identifier for this interface is 0x79cc6790
 contract ERC20UniqueExtensions is Dummy, ERC165 {
 	/// @dev EVM selector for this function is: 0x79cc6790,

--- a/pallets/nonfungible/CHANGELOG.md
+++ b/pallets/nonfungible/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## [v0.1.5] - 2022-08-24
+
+### Change
+ - Add bound `AsRef<[u8; 32]>` to `T::CrossAccountId`.
+
 <!-- bureaucrate goes here -->
 ## [v0.1.4] 2022-08-16
 

--- a/pallets/nonfungible/Cargo.toml
+++ b/pallets/nonfungible/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pallet-nonfungible"
-version = "0.1.4"
+version = "0.1.5"
 license = "GPLv3"
 edition = "2021"
 

--- a/pallets/nonfungible/src/erc.rs
+++ b/pallets/nonfungible/src/erc.rs
@@ -740,7 +740,7 @@
 		TokenProperties,
 	)
 )]
-impl<T: Config> NonfungibleHandle<T> where T::AccountId: From<[u8; 32]> {}
+impl<T: Config> NonfungibleHandle<T> where T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]> {}
 
 // Not a tests, but code generators
 generate_stubgen!(gen_impl, UniqueNFTCall<()>, true);
@@ -748,7 +748,7 @@
 
 impl<T: Config> CommonEvmHandler for NonfungibleHandle<T>
 where
-	T::AccountId: From<[u8; 32]>,
+	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,
 {
 	const CODE: &'static [u8] = include_bytes!("./stubs/UniqueNFT.raw");
 

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--- a/pallets/refungible/CHANGELOG.md
+++ b/pallets/refungible/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## [v0.2.4] - 2022-08-24
+
+### Change
+ - Add bound `AsRef<[u8; 32]>` to `T::CrossAccountId`.
+
 <!-- bureaucrate goes here -->
 ## [v0.2.3] 2022-08-16
 

--- a/pallets/refungible/Cargo.toml
+++ b/pallets/refungible/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pallet-refungible"
-version = "0.2.3"
+version = "0.2.4"
 license = "GPLv3"
 edition = "2021"
 

--- a/pallets/refungible/src/erc.rs
+++ b/pallets/refungible/src/erc.rs
@@ -789,7 +789,7 @@
 		TokenProperties,
 	)
 )]
-impl<T: Config> RefungibleHandle<T> where T::AccountId: From<[u8; 32]> {}
+impl<T: Config> RefungibleHandle<T> where T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]> {}
 
 // Not a tests, but code generators
 generate_stubgen!(gen_impl, UniqueRefungibleCall<()>, true);
@@ -797,7 +797,7 @@
 
 impl<T: Config> CommonEvmHandler for RefungibleHandle<T>
 where
-	T::AccountId: From<[u8; 32]>,
+	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,
 {
 	const CODE: &'static [u8] = include_bytes!("./stubs/UniqueRefungible.raw");
 	fn call(

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--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -99,7 +99,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xffe4da23
+/// @dev the ERC-165 identifier for this interface is 0xe54be640
 contract Collection is Dummy, ERC165 {
 	/// Set collection property.
 	///
@@ -159,6 +159,27 @@
 		dummy = 0;
 	}
 
+	/// Set the substrate sponsor of the collection.
+	///
+	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	///
+	/// @param sponsor Substrate address of the sponsor from whose account funds will be debited for operations with the contract.
+	/// @dev EVM selector for this function is: 0xc74d6751,
+	///  or in textual repr: setCollectionSponsorSubstrate(uint256)
+	function setCollectionSponsorSubstrate(uint256 sponsor) public {
+		require(false, stub_error);
+		sponsor;
+		dummy = 0;
+	}
+
+	/// @dev EVM selector for this function is: 0x058ac185,
+	///  or in textual repr: hasCollectionPendingSponsor()
+	function hasCollectionPendingSponsor() public view returns (bool) {
+		require(false, stub_error);
+		dummy;
+		return false;
+	}
+
 	/// Collection sponsorship confirmation.
 	///
 	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.
@@ -169,6 +190,25 @@
 		dummy = 0;
 	}
 
+	/// Remove collection sponsor.
+	/// @dev EVM selector for this function is: 0x6e0326a3,
+	///  or in textual repr: removeCollectionSponsor()
+	function removeCollectionSponsor() public {
+		require(false, stub_error);
+		dummy = 0;
+	}
+
+	/// Get current sponsor.
+	///
+	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
+	/// @dev EVM selector for this function is: 0xb66bbc14,
+	///  or in textual repr: getCollectionSponsor()
+	function getCollectionSponsor() public view returns (Tuple17 memory) {
+		require(false, stub_error);
+		dummy;
+		return Tuple17(0x0000000000000000000000000000000000000000, 0);
+	}
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -387,6 +427,12 @@
 	}
 }
 
+/// @dev anonymous struct
+struct Tuple17 {
+	address field_0;
+	uint256 field_1;
+}
+
 /// @title ERC721 Token that can be irreversibly burned (destroyed).
 /// @dev the ERC-165 identifier for this interface is 0x42966c68
 contract ERC721Burnable is Dummy, ERC165 {

--- a/runtime/common/dispatch.rs
+++ b/runtime/common/dispatch.rs
@@ -124,7 +124,7 @@
 		+ pallet_fungible::Config
 		+ pallet_nonfungible::Config
 		+ pallet_refungible::Config,
-	T::AccountId: From<[u8; 32]>,
+	T::AccountId: From<[u8; 32]> + AsRef<[u8; 32]>,
 {
 	fn is_reserved(target: &H160) -> bool {
 		map_eth_to_id(target).is_some()

--- 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 0xffe4da23
+/// @dev the ERC-165 identifier for this interface is 0xe54be640
 interface Collection is Dummy, ERC165 {
 	/// Set collection property.
 	///
@@ -53,6 +53,19 @@
 	///  or in textual repr: setCollectionSponsor(address)
 	function setCollectionSponsor(address sponsor) external;
 
+	/// Set the substrate sponsor of the collection.
+	///
+	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	///
+	/// @param sponsor Substrate address of the sponsor from whose account funds will be debited for operations with the contract.
+	/// @dev EVM selector for this function is: 0xc74d6751,
+	///  or in textual repr: setCollectionSponsorSubstrate(uint256)
+	function setCollectionSponsorSubstrate(uint256 sponsor) external;
+
+	/// @dev EVM selector for this function is: 0x058ac185,
+	///  or in textual repr: hasCollectionPendingSponsor()
+	function hasCollectionPendingSponsor() external view returns (bool);
+
 	/// Collection sponsorship confirmation.
 	///
 	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.
@@ -60,6 +73,18 @@
 	///  or in textual repr: confirmCollectionSponsorship()
 	function confirmCollectionSponsorship() external;
 
+	/// Remove collection sponsor.
+	/// @dev EVM selector for this function is: 0x6e0326a3,
+	///  or in textual repr: removeCollectionSponsor()
+	function removeCollectionSponsor() external;
+
+	/// Get current sponsor.
+	///
+	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
+	/// @dev EVM selector for this function is: 0xb66bbc14,
+	///  or in textual repr: getCollectionSponsor()
+	function getCollectionSponsor() external view returns (Tuple6 memory);
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -200,6 +225,12 @@
 	function setOwnerSubstrate(uint256 newOwner) external;
 }
 
+/// @dev anonymous struct
+struct Tuple6 {
+	address field_0;
+	uint256 field_1;
+}
+
 /// @dev the ERC-165 identifier for this interface is 0x79cc6790
 interface ERC20UniqueExtensions is Dummy, ERC165 {
 	/// @dev EVM selector for this function is: 0x79cc6790,

--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -65,7 +65,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xffe4da23
+/// @dev the ERC-165 identifier for this interface is 0xe54be640
 interface Collection is Dummy, ERC165 {
 	/// Set collection property.
 	///
@@ -105,6 +105,19 @@
 	///  or in textual repr: setCollectionSponsor(address)
 	function setCollectionSponsor(address sponsor) external;
 
+	/// Set the substrate sponsor of the collection.
+	///
+	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	///
+	/// @param sponsor Substrate address of the sponsor from whose account funds will be debited for operations with the contract.
+	/// @dev EVM selector for this function is: 0xc74d6751,
+	///  or in textual repr: setCollectionSponsorSubstrate(uint256)
+	function setCollectionSponsorSubstrate(uint256 sponsor) external;
+
+	/// @dev EVM selector for this function is: 0x058ac185,
+	///  or in textual repr: hasCollectionPendingSponsor()
+	function hasCollectionPendingSponsor() external view returns (bool);
+
 	/// Collection sponsorship confirmation.
 	///
 	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.
@@ -112,6 +125,18 @@
 	///  or in textual repr: confirmCollectionSponsorship()
 	function confirmCollectionSponsorship() external;
 
+	/// Remove collection sponsor.
+	/// @dev EVM selector for this function is: 0x6e0326a3,
+	///  or in textual repr: removeCollectionSponsor()
+	function removeCollectionSponsor() external;
+
+	/// Get current sponsor.
+	///
+	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
+	/// @dev EVM selector for this function is: 0xb66bbc14,
+	///  or in textual repr: getCollectionSponsor()
+	function getCollectionSponsor() external view returns (Tuple17 memory);
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -252,6 +277,12 @@
 	function setOwnerSubstrate(uint256 newOwner) external;
 }
 
+/// @dev anonymous struct
+struct Tuple17 {
+	address field_0;
+	uint256 field_1;
+}
+
 /// @title ERC721 Token that can be irreversibly burned (destroyed).
 /// @dev the ERC-165 identifier for this interface is 0x42966c68
 interface ERC721Burnable is Dummy, ERC165 {

--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -65,7 +65,7 @@
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xffe4da23
+/// @dev the ERC-165 identifier for this interface is 0xe54be640
 interface Collection is Dummy, ERC165 {
 	/// Set collection property.
 	///
@@ -105,6 +105,19 @@
 	///  or in textual repr: setCollectionSponsor(address)
 	function setCollectionSponsor(address sponsor) external;
 
+	/// Set the substrate sponsor of the collection.
+	///
+	/// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
+	///
+	/// @param sponsor Substrate address of the sponsor from whose account funds will be debited for operations with the contract.
+	/// @dev EVM selector for this function is: 0xc74d6751,
+	///  or in textual repr: setCollectionSponsorSubstrate(uint256)
+	function setCollectionSponsorSubstrate(uint256 sponsor) external;
+
+	/// @dev EVM selector for this function is: 0x058ac185,
+	///  or in textual repr: hasCollectionPendingSponsor()
+	function hasCollectionPendingSponsor() external view returns (bool);
+
 	/// Collection sponsorship confirmation.
 	///
 	/// @dev After setting the sponsor for the collection, it must be confirmed with this function.
@@ -112,6 +125,18 @@
 	///  or in textual repr: confirmCollectionSponsorship()
 	function confirmCollectionSponsorship() external;
 
+	/// Remove collection sponsor.
+	/// @dev EVM selector for this function is: 0x6e0326a3,
+	///  or in textual repr: removeCollectionSponsor()
+	function removeCollectionSponsor() external;
+
+	/// Get current sponsor.
+	///
+	/// @return Tuble with sponsor address and his substrate mirror. If there is no confirmed sponsor error "Contract has no sponsor" throw.
+	/// @dev EVM selector for this function is: 0xb66bbc14,
+	///  or in textual repr: getCollectionSponsor()
+	function getCollectionSponsor() external view returns (Tuple17 memory);
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -252,6 +277,12 @@
 	function setOwnerSubstrate(uint256 newOwner) external;
 }
 
+/// @dev anonymous struct
+struct Tuple17 {
+	address field_0;
+	uint256 field_1;
+}
+
 /// @title ERC721 Token that can be irreversibly burned (destroyed).
 /// @dev the ERC-165 identifier for this interface is 0x42966c68
 interface ERC721Burnable is Dummy, ERC165 {

--- a/tests/src/eth/collectionSponsoring.test.ts
+++ b/tests/src/eth/collectionSponsoring.test.ts
@@ -1,8 +1,10 @@
-import {addToAllowListExpectSuccess, confirmSponsorshipExpectSuccess, createCollectionExpectSuccess, enablePublicMintingExpectSuccess, getDetailedCollectionInfo, setCollectionSponsorExpectSuccess} from '../util/helpers';
-import {itWeb3, createEthAccount, collectionIdToAddress, GAS_ARGS, normalizeEvents, createEthAccountWithBalance, evmCollectionHelpers, getCollectionAddressFromResult, evmCollection, ethBalanceViaSub} from './util/helpers';
+import {addToAllowListExpectSuccess, bigIntToSub, confirmSponsorshipExpectSuccess, createCollectionExpectSuccess, enablePublicMintingExpectSuccess, getDetailedCollectionInfo, setCollectionSponsorExpectSuccess} from '../util/helpers';
+import {itWeb3, createEthAccount, collectionIdToAddress, GAS_ARGS, normalizeEvents, createEthAccountWithBalance, evmCollectionHelpers, getCollectionAddressFromResult, evmCollection, ethBalanceViaSub, subToEth} from './util/helpers';
 import nonFungibleAbi from './nonFungibleAbi.json';
 import {expect} from 'chai';
 import {evmToAddress} from '@polkadot/util-crypto';
+import {submitTransactionAsync} from '../substrate/substrate-api';
+import getBalance from '../substrate/get-balance';
 
 describe('evm collection sponsoring', () => {
   itWeb3('sponsors mint transactions', async ({web3, privateKeyWrapper}) => {
@@ -38,6 +40,47 @@
     ]);
   });
 
+  itWeb3('Set substrate sponsor', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    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 = privateKeyWrapper('//Alice');
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+
+    expect(await collectionEvm.methods.hasCollectionPendingSponsor().call({from: owner})).to.be.false;
+    result = await collectionEvm.methods.setCollectionSponsorSubstrate(sponsor.addressRaw).send({from: owner});
+    expect(await collectionEvm.methods.hasCollectionPendingSponsor().call({from: owner})).to.be.true;
+    
+    const confirmTx = await api.tx.unique.confirmSponsorship(collectionId);
+    await submitTransactionAsync(sponsor, confirmTx);
+    expect(await collectionEvm.methods.hasCollectionPendingSponsor().call({from: owner})).to.be.false;
+    
+    const sponsorTuple = await collectionEvm.methods.getCollectionSponsor().call({from: owner});
+    expect(bigIntToSub(api, BigInt(sponsorTuple[1]))).to.be.eq(sponsor.address);
+  });
+
+  itWeb3('Remove sponsor', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const collectionHelpers = evmCollectionHelpers(web3, owner);
+    let result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const sponsor = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+
+    expect(await collectionEvm.methods.hasCollectionPendingSponsor().call({from: owner})).to.be.false;
+    result = await collectionEvm.methods.setCollectionSponsor(sponsor).send({from: owner});
+    expect(await collectionEvm.methods.hasCollectionPendingSponsor().call({from: owner})).to.be.true;
+    
+    await collectionEvm.methods.confirmCollectionSponsorship().send({from: sponsor});
+    expect(await collectionEvm.methods.hasCollectionPendingSponsor().call({from: owner})).to.be.false;
+    
+    await collectionEvm.methods.removeCollectionSponsor().send({from: owner});
+    
+    const sponsorTuple = await collectionEvm.methods.getCollectionSponsor().call({from: owner});
+    expect(sponsorTuple.field_0).to.be.eq('0x0000000000000000000000000000000000000000');
+  });
+
   itWeb3('Sponsoring collection from evm address via access list', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);
@@ -107,6 +150,61 @@
     }
   });
 
+  itWeb3('Sponsoring collection from substrate address via access list', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const collectionHelpers = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelpers.methods.createNonfungibleCollection('Sponsor collection', '1', '1').send();
+    const {collectionIdAddress, collectionId} = await getCollectionAddressFromResult(api, result);
+    const sponsor = privateKeyWrapper('//Alice');
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+
+    await collectionEvm.methods.setCollectionSponsorSubstrate(sponsor.addressRaw).send({from: owner});
+    
+    const confirmTx = await api.tx.unique.confirmSponsorship(collectionId);
+    await submitTransactionAsync(sponsor, confirmTx);
+    
+    const user = createEthAccount(web3);
+    const nextTokenId = await collectionEvm.methods.nextTokenId().call();
+    expect(nextTokenId).to.be.equal('1');
+
+    await collectionEvm.methods.setCollectionAccess(1 /*'AllowList'*/).send({from: owner});
+    await collectionEvm.methods.addToCollectionAllowList(user).send({from: owner});
+    await collectionEvm.methods.setCollectionMintMode(true).send({from: owner});
+
+    const ownerBalanceBefore = await ethBalanceViaSub(api, owner);
+    const sponsorBalanceBefore = (await getBalance(api, [sponsor.address]))[0];
+
+    {
+      const nextTokenId = await collectionEvm.methods.nextTokenId().call();
+      expect(nextTokenId).to.be.equal('1');
+      const result = await collectionEvm.methods.mintWithTokenURI(
+        user,
+        nextTokenId,
+        'Test URI',
+      ).send({from: user});
+      const events = normalizeEvents(result.events);
+
+      expect(events).to.be.deep.equal([
+        {
+          address: collectionIdAddress,
+          event: 'Transfer',
+          args: {
+            from: '0x0000000000000000000000000000000000000000',
+            to: user,
+            tokenId: nextTokenId,
+          },
+        },
+      ]);
+
+      const ownerBalanceAfter = await ethBalanceViaSub(api, owner);
+      const sponsorBalanceAfter = (await getBalance(api, [sponsor.address]))[0];
+
+      expect(await collectionEvm.methods.tokenURI(nextTokenId).call()).to.be.equal('Test URI');
+      expect(ownerBalanceBefore).to.be.eq(ownerBalanceAfter);
+      expect(sponsorBalanceBefore > sponsorBalanceAfter).to.be.true;
+    }
+  });
+
   itWeb3('Check that transaction via EVM spend money from sponsor address', async ({api, web3, privateKeyWrapper}) => {
     const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
     const collectionHelpers = evmCollectionHelpers(web3, owner);

--- a/tests/src/eth/fungibleAbi.json
+++ b/tests/src/eth/fungibleAbi.json
@@ -151,6 +151,30 @@
     "type": "function"
   },
   {
+    "inputs": [],
+    "name": "getCollectionSponsor",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "field_0", "type": "address" },
+          { "internalType": "uint256", "name": "field_1", "type": "uint256" }
+        ],
+        "internalType": "struct Tuple6",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "hasCollectionPendingSponsor",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
     "inputs": [
       { "internalType": "address", "name": "user", "type": "address" }
     ],
@@ -194,6 +218,13 @@
     "type": "function"
   },
   {
+    "inputs": [],
+    "name": "removeCollectionSponsor",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
     "inputs": [
       { "internalType": "address", "name": "user", "type": "address" }
     ],
@@ -278,6 +309,15 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "sponsor", "type": "uint256" }
+    ],
+    "name": "setCollectionSponsorSubstrate",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "address", "name": "newOwner", "type": "address" }
     ],
     "name": "setOwner",

--- a/tests/src/eth/nonFungibleAbi.json
+++ b/tests/src/eth/nonFungibleAbi.json
@@ -200,6 +200,30 @@
     "type": "function"
   },
   {
+    "inputs": [],
+    "name": "getCollectionSponsor",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "field_0", "type": "address" },
+          { "internalType": "uint256", "name": "field_1", "type": "uint256" }
+        ],
+        "internalType": "struct Tuple17",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "hasCollectionPendingSponsor",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
     "inputs": [
       { "internalType": "address", "name": "owner", "type": "address" },
       { "internalType": "address", "name": "operator", "type": "address" }
@@ -335,6 +359,13 @@
     "type": "function"
   },
   {
+    "inputs": [],
+    "name": "removeCollectionSponsor",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
     "inputs": [
       { "internalType": "address", "name": "user", "type": "address" }
     ],
@@ -452,6 +483,15 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "sponsor", "type": "uint256" }
+    ],
+    "name": "setCollectionSponsorSubstrate",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "address", "name": "newOwner", "type": "address" }
     ],
     "name": "setOwner",

--- a/tests/src/eth/reFungibleAbi.json
+++ b/tests/src/eth/reFungibleAbi.json
@@ -200,6 +200,30 @@
     "type": "function"
   },
   {
+    "inputs": [],
+    "name": "getCollectionSponsor",
+    "outputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "field_0", "type": "address" },
+          { "internalType": "uint256", "name": "field_1", "type": "uint256" }
+        ],
+        "internalType": "struct Tuple17",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "hasCollectionPendingSponsor",
+    "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
     "inputs": [
       { "internalType": "address", "name": "owner", "type": "address" },
       { "internalType": "address", "name": "operator", "type": "address" }
@@ -335,6 +359,13 @@
     "type": "function"
   },
   {
+    "inputs": [],
+    "name": "removeCollectionSponsor",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
     "inputs": [
       { "internalType": "address", "name": "user", "type": "address" }
     ],
@@ -452,6 +483,15 @@
   },
   {
     "inputs": [
+      { "internalType": "uint256", "name": "sponsor", "type": "uint256" }
+    ],
+    "name": "setCollectionSponsorSubstrate",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
       { "internalType": "address", "name": "newOwner", "type": "address" }
     ],
     "name": "setOwner",

--- a/tests/src/util/helpers.ts
+++ b/tests/src/util/helpers.ts
@@ -99,6 +99,10 @@
   }
 }
 
+export function bigIntToSub(api: ApiPromise, number: bigint) {
+  return api.registry.createType('AccountId', '0x' + number.toString(16).padStart(64, '0')).toJSON();
+}
+
 export function normalizeAccountId(input: string | AccountId | CrossAccountId | IKeyringPair): CrossAccountId {
   if (typeof input === 'string') {
     if (input.length >= 47) {