git.delta.rocks / unique-network / refs/commits / 176cbff9e8d3

--- a/pallets/common/src/erc.rs
+++ b/pallets/common/src/erc.rs
@@ -37,6 +37,7 @@
 	Pallet, CollectionHandle, Config, CollectionProperties, SelfWeightOf,
 	eth::{
 		EthCrossAccount, convert_cross_account_to_uint256, CollectionPermissions as EvmPermissions,
+		CollectionLimits as EvmCollectionLimits,
 	},
 	weights::WeightInfo,
 };
@@ -304,6 +305,99 @@
 		Ok(result)
 	}
 
+	/// Get current collection limits.
+	///
+	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
+	/// 	"accountTokenOwnershipLimit",
+	/// 	"sponsoredDataSize",
+	/// 	"sponsoredDataRateLimit",
+	/// 	"tokenLimit",
+	/// 	"sponsorTransferTimeout",
+	/// 	"sponsorApproveTimeout"
+	///  	"ownerCanTransfer",
+	/// 	"ownerCanDestroy",
+	/// 	"transfersEnabled"
+	/// Return `false` if a limit not set.
+	fn collection_limits(&self) -> Result<Vec<(EvmCollectionLimits, bool, uint256)>> {
+		let convert_value_limit = |limit: EvmCollectionLimits,
+		                           value: Option<u32>|
+		 -> (EvmCollectionLimits, bool, uint256) {
+			value
+				.map(|v| (limit, true, v.into()))
+				.unwrap_or((limit, false, Default::default()))
+		};
+
+		let convert_bool_limit = |limit: EvmCollectionLimits,
+		                          value: Option<bool>|
+		 -> (EvmCollectionLimits, bool, uint256) {
+			value
+				.map(|v| {
+					(
+						limit,
+						true,
+						if v {
+							uint256::from(1)
+						} else {
+							Default::default()
+						},
+					)
+				})
+				.unwrap_or((limit, false, Default::default()))
+		};
+
+		let limits = &self.collection.limits;
+
+		Ok(vec![
+			convert_value_limit(
+				EvmCollectionLimits::AccountTokenOwnership,
+				limits.account_token_ownership_limit,
+			),
+			convert_value_limit(
+				EvmCollectionLimits::SponsoredDataSize,
+				limits.sponsored_data_size,
+			),
+			limits
+				.sponsored_data_rate_limit
+				.and_then(|limit| {
+					if let SponsoringRateLimit::Blocks(blocks) = limit {
+						Some((
+							EvmCollectionLimits::SponsoredDataRateLimit,
+							true,
+							blocks.into(),
+						))
+					} else {
+						None
+					}
+				})
+				.unwrap_or((
+					EvmCollectionLimits::SponsoredDataRateLimit,
+					false,
+					Default::default(),
+				)),
+			convert_value_limit(EvmCollectionLimits::TokenLimit, limits.token_limit),
+			convert_value_limit(
+				EvmCollectionLimits::SponsorTransferTimeout,
+				limits.sponsor_transfer_timeout,
+			),
+			convert_value_limit(
+				EvmCollectionLimits::SponsorApproveTimeout,
+				limits.sponsor_approve_timeout,
+			),
+			convert_bool_limit(
+				EvmCollectionLimits::OwnerCanTransfer,
+				limits.owner_can_transfer,
+			),
+			convert_bool_limit(
+				EvmCollectionLimits::OwnerCanDestroy,
+				limits.owner_can_destroy,
+			),
+			convert_bool_limit(
+				EvmCollectionLimits::TransferEnabled,
+				limits.transfers_enabled,
+			),
+		])
+	}
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -316,11 +410,22 @@
 	///  	"ownerCanTransfer",
 	/// 	"ownerCanDestroy",
 	/// 	"transfersEnabled"
+	/// @param status enable\disable limit. Works only with `true`.
 	/// @param value Value of the limit.
 	#[solidity(rename_selector = "setCollectionLimit")]
-	fn set_int_limit(&mut self, caller: caller, limit: string, value: uint256) -> Result<void> {
+	fn set_collection_limit(
+		&mut self,
+		caller: caller,
+		limit: EvmCollectionLimits,
+		status: bool,
+		value: uint256,
+	) -> Result<void> {
 		self.consume_store_reads_and_writes(1, 1)?;
 
+		if !status {
+			return Err(Error::Revert("user can't disable limits".into()));
+		}
+
 		let value = value
 			.try_into()
 			.map_err(|_| Error::Revert(format!("can't convert value to u32 \"{}\"", value)))?;
@@ -338,35 +443,35 @@
 
 		let mut limits = self.limits.clone();
 
-		match limit.as_str() {
-			"accountTokenOwnershipLimit" => {
+		match limit {
+			EvmCollectionLimits::AccountTokenOwnership => {
 				limits.account_token_ownership_limit = Some(value);
 			}
-			"sponsoredDataSize" => {
+			EvmCollectionLimits::SponsoredDataSize => {
 				limits.sponsored_data_size = Some(value);
 			}
-			"sponsoredDataRateLimit" => {
+			EvmCollectionLimits::SponsoredDataRateLimit => {
 				limits.sponsored_data_rate_limit = Some(SponsoringRateLimit::Blocks(value));
 			}
-			"tokenLimit" => {
+			EvmCollectionLimits::TokenLimit => {
 				limits.token_limit = Some(value);
 			}
-			"sponsorTransferTimeout" => {
+			EvmCollectionLimits::SponsorTransferTimeout => {
 				limits.sponsor_transfer_timeout = Some(value);
 			}
-			"sponsorApproveTimeout" => {
+			EvmCollectionLimits::SponsorApproveTimeout => {
 				limits.sponsor_approve_timeout = Some(value);
 			}
-			"ownerCanTransfer" => {
+			EvmCollectionLimits::OwnerCanTransfer => {
 				limits.owner_can_transfer = Some(convert_value_to_bool()?);
 			}
-			"ownerCanDestroy" => {
+			EvmCollectionLimits::OwnerCanDestroy => {
 				limits.owner_can_destroy = Some(convert_value_to_bool()?);
 			}
-			"transfersEnabled" => {
+			EvmCollectionLimits::TransferEnabled => {
 				limits.transfers_enabled = Some(convert_value_to_bool()?);
 			}
-			_ => return Err(Error::Revert(format!("unknown limit \"{}\"", limit))),
+			_ => return Err(Error::Revert(format!("unknown limit \"{:?}\"", limit))),
 		}
 
 		let caller = T::CrossAccountId::from_eth(caller);

--- a/pallets/common/src/eth.rs
+++ b/pallets/common/src/eth.rs
@@ -155,6 +155,31 @@
 		}
 	}
 }
+
+/// [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
+#[derive(Debug, Default, Clone, Copy, AbiCoder)]
+#[repr(u8)]
+pub enum CollectionLimits {
+	/// How many tokens can a user have on one account.
+	#[default]
+	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,
+}
 #[derive(Default, Debug, Clone, Copy, AbiCoder)]
 #[repr(u8)]
 pub enum CollectionPermissions {

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--- 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 0xb5e1747f
+/// @dev the ERC-165 identifier for this interface is 0x81172a75
 contract Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -158,6 +158,27 @@
 		return Tuple8(0x0000000000000000000000000000000000000000, 0);
 	}
 
+	/// Get current collection limits.
+	///
+	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
+	/// 	"accountTokenOwnershipLimit",
+	/// 	"sponsoredDataSize",
+	/// 	"sponsoredDataRateLimit",
+	/// 	"tokenLimit",
+	/// 	"sponsorTransferTimeout",
+	/// 	"sponsorApproveTimeout"
+	///  	"ownerCanTransfer",
+	/// 	"ownerCanDestroy",
+	/// 	"transfersEnabled"
+	/// Return `false` if a limit not set.
+	/// @dev EVM selector for this function is: 0xf63bc572,
+	///  or in textual repr: collectionLimits()
+	function collectionLimits() public view returns (Tuple20[] memory) {
+		require(false, stub_error);
+		dummy;
+		return new Tuple20[](0);
+	}
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -170,12 +191,18 @@
 	///  	"ownerCanTransfer",
 	/// 	"ownerCanDestroy",
 	/// 	"transfersEnabled"
+	/// @param status enable\disable limit. Works only with `true`.
 	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x4ad890a8,
-	///  or in textual repr: setCollectionLimit(string,uint256)
-	function setCollectionLimit(string memory limit, uint256 value) public {
+	/// @dev EVM selector for this function is: 0x88150bd0,
+	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
+	function setCollectionLimit(
+		CollectionLimits limit,
+		bool status,
+		uint256 value
+	) public {
 		require(false, stub_error);
 		limit;
+		status;
 		value;
 		dummy = 0;
 	}
@@ -257,19 +284,19 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() public view returns (Tuple21 memory) {
+	function collectionNestingRestrictedCollectionIds() public view returns (Tuple26 memory) {
 		require(false, stub_error);
 		dummy;
-		return Tuple21(false, new uint256[](0));
+		return Tuple26(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 (Tuple24[] memory) {
+	function collectionNestingPermissions() public view returns (Tuple29[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple24[](0);
+		return new Tuple29[](0);
 	}
 
 	/// Set the collection access method.
@@ -449,17 +476,46 @@
 }
 
 /// @dev anonymous struct
-struct Tuple24 {
+struct Tuple29 {
 	CollectionPermissions field_0;
 	bool field_1;
 }
 
 /// @dev anonymous struct
-struct Tuple21 {
+struct Tuple26 {
 	bool field_0;
 	uint256[] field_1;
 }
 
+/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
+enum CollectionLimits {
+	/// @dev How many tokens can a user have on one account.
+	AccountTokenOwnership,
+	/// @dev How many bytes of data are available for sponsorship.
+	SponsoredDataSize,
+	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	SponsoredDataRateLimit,
+	/// @dev How many tokens can be mined into this collection.
+	TokenLimit,
+	/// @dev Timeouts for transfer sponsoring.
+	SponsorTransferTimeout,
+	/// @dev Timeout for sponsoring an approval in passed blocks.
+	SponsorApproveTimeout,
+	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	OwnerCanTransfer,
+	/// @dev Can the collection owner burn other people's tokens.
+	OwnerCanDestroy,
+	/// @dev Is it possible to send tokens from this collection between users.
+	TransferEnabled
+}
+
+/// @dev anonymous struct
+struct Tuple20 {
+	CollectionLimits field_0;
+	bool field_1;
+	uint256 field_2;
+}
+
 /// @dev Property struct
 struct Property {
 	string key;

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--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -42,18 +42,19 @@
 	/// @param permissions Permissions for keys.
 	/// @dev EVM selector for this function is: 0xbd92983a,
 	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])
-	function setTokenPropertyPermissions(Tuple48[] memory permissions) public {
+	function setTokenPropertyPermissions(Tuple59[] memory permissions) public {
 		require(false, stub_error);
 		permissions;
 		dummy = 0;
 	}
 
+	/// @notice Get permissions for token properties.
 	/// @dev EVM selector for this function is: 0xf23d7790,
 	///  or in textual repr: tokenPropertyPermissions()
-	function tokenPropertyPermissions() public view returns (Tuple48[] memory) {
+	function tokenPropertyPermissions() public view returns (Tuple59[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple48[](0);
+		return new Tuple59[](0);
 	}
 
 	// /// @notice Set token property value.
@@ -132,26 +133,30 @@
 	bytes value;
 }
 
+/// @dev Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
 enum EthTokenPermissions {
+	/// @dev Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
 	Mutable,
+	/// @dev Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
 	TokenOwner,
+	/// @dev Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
 	CollectionAdmin
 }
 
 /// @dev anonymous struct
-struct Tuple48 {
+struct Tuple59 {
 	string field_0;
-	Tuple46[] field_1;
+	Tuple57[] field_1;
 }
 
 /// @dev anonymous struct
-struct Tuple46 {
+struct Tuple57 {
 	EthTokenPermissions field_0;
 	bool field_1;
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xb5e1747f
+/// @dev the ERC-165 identifier for this interface is 0x81172a75
 contract Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -291,6 +296,27 @@
 		return Tuple30(0x0000000000000000000000000000000000000000, 0);
 	}
 
+	/// Get current collection limits.
+	///
+	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
+	/// 	"accountTokenOwnershipLimit",
+	/// 	"sponsoredDataSize",
+	/// 	"sponsoredDataRateLimit",
+	/// 	"tokenLimit",
+	/// 	"sponsorTransferTimeout",
+	/// 	"sponsorApproveTimeout"
+	///  	"ownerCanTransfer",
+	/// 	"ownerCanDestroy",
+	/// 	"transfersEnabled"
+	/// Return `false` if a limit not set.
+	/// @dev EVM selector for this function is: 0xf63bc572,
+	///  or in textual repr: collectionLimits()
+	function collectionLimits() public view returns (Tuple33[] memory) {
+		require(false, stub_error);
+		dummy;
+		return new Tuple33[](0);
+	}
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -303,12 +329,18 @@
 	///  	"ownerCanTransfer",
 	/// 	"ownerCanDestroy",
 	/// 	"transfersEnabled"
+	/// @param status enable\disable limit. Works only with `true`.
 	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x4ad890a8,
-	///  or in textual repr: setCollectionLimit(string,uint256)
-	function setCollectionLimit(string memory limit, uint256 value) public {
+	/// @dev EVM selector for this function is: 0x88150bd0,
+	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
+	function setCollectionLimit(
+		CollectionLimits limit,
+		bool status,
+		uint256 value
+	) public {
 		require(false, stub_error);
 		limit;
+		status;
 		value;
 		dummy = 0;
 	}
@@ -390,19 +422,19 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() public view returns (Tuple34 memory) {
+	function collectionNestingRestrictedCollectionIds() public view returns (Tuple39 memory) {
 		require(false, stub_error);
 		dummy;
-		return Tuple34(false, new uint256[](0));
+		return Tuple39(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 (Tuple37[] memory) {
+	function collectionNestingPermissions() public view returns (Tuple42[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple37[](0);
+		return new Tuple42[](0);
 	}
 
 	/// Set the collection access method.
@@ -582,17 +614,46 @@
 }
 
 /// @dev anonymous struct
-struct Tuple37 {
+struct Tuple42 {
 	CollectionPermissions field_0;
 	bool field_1;
 }
 
 /// @dev anonymous struct
-struct Tuple34 {
+struct Tuple39 {
 	bool field_0;
 	uint256[] field_1;
 }
 
+/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
+enum CollectionLimits {
+	/// @dev How many tokens can a user have on one account.
+	AccountTokenOwnership,
+	/// @dev How many bytes of data are available for sponsorship.
+	SponsoredDataSize,
+	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	SponsoredDataRateLimit,
+	/// @dev How many tokens can be mined into this collection.
+	TokenLimit,
+	/// @dev Timeouts for transfer sponsoring.
+	SponsorTransferTimeout,
+	/// @dev Timeout for sponsoring an approval in passed blocks.
+	SponsorApproveTimeout,
+	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	OwnerCanTransfer,
+	/// @dev Can the collection owner burn other people's tokens.
+	OwnerCanDestroy,
+	/// @dev Is it possible to send tokens from this collection between users.
+	TransferEnabled
+}
+
+/// @dev anonymous struct
+struct Tuple33 {
+	CollectionLimits field_0;
+	bool field_1;
+	uint256 field_2;
+}
+
 /// @dev anonymous struct
 struct Tuple30 {
 	address field_0;

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--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -42,7 +42,7 @@
 	/// @param permissions Permissions for keys.
 	/// @dev EVM selector for this function is: 0xbd92983a,
 	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])
-	function setTokenPropertyPermissions(Tuple53[] memory permissions) public {
+	function setTokenPropertyPermissions(Tuple58[] memory permissions) public {
 		require(false, stub_error);
 		permissions;
 		dummy = 0;
@@ -51,10 +51,10 @@
 	/// @notice Get permissions for token properties.
 	/// @dev EVM selector for this function is: 0xf23d7790,
 	///  or in textual repr: tokenPropertyPermissions()
-	function tokenPropertyPermissions() public view returns (Tuple53[] memory) {
+	function tokenPropertyPermissions() public view returns (Tuple58[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple53[](0);
+		return new Tuple58[](0);
 	}
 
 	// /// @notice Set token property value.
@@ -133,26 +133,30 @@
 	bytes value;
 }
 
+/// @dev Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
 enum EthTokenPermissions {
+	/// @dev Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
 	Mutable,
+	/// @dev Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
 	TokenOwner,
+	/// @dev Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
 	CollectionAdmin
 }
 
 /// @dev anonymous struct
-struct Tuple53 {
+struct Tuple58 {
 	string field_0;
-	Tuple51[] field_1;
+	Tuple56[] field_1;
 }
 
 /// @dev anonymous struct
-struct Tuple51 {
+struct Tuple56 {
 	EthTokenPermissions field_0;
 	bool field_1;
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xb5e1747f
+/// @dev the ERC-165 identifier for this interface is 0x81172a75
 contract Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -292,6 +296,27 @@
 		return Tuple29(0x0000000000000000000000000000000000000000, 0);
 	}
 
+	/// Get current collection limits.
+	///
+	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
+	/// 	"accountTokenOwnershipLimit",
+	/// 	"sponsoredDataSize",
+	/// 	"sponsoredDataRateLimit",
+	/// 	"tokenLimit",
+	/// 	"sponsorTransferTimeout",
+	/// 	"sponsorApproveTimeout"
+	///  	"ownerCanTransfer",
+	/// 	"ownerCanDestroy",
+	/// 	"transfersEnabled"
+	/// Return `false` if a limit not set.
+	/// @dev EVM selector for this function is: 0xf63bc572,
+	///  or in textual repr: collectionLimits()
+	function collectionLimits() public view returns (Tuple32[] memory) {
+		require(false, stub_error);
+		dummy;
+		return new Tuple32[](0);
+	}
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -304,12 +329,18 @@
 	///  	"ownerCanTransfer",
 	/// 	"ownerCanDestroy",
 	/// 	"transfersEnabled"
+	/// @param status enable\disable limit. Works only with `true`.
 	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x4ad890a8,
-	///  or in textual repr: setCollectionLimit(string,uint256)
-	function setCollectionLimit(string memory limit, uint256 value) public {
+	/// @dev EVM selector for this function is: 0x88150bd0,
+	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
+	function setCollectionLimit(
+		CollectionLimits limit,
+		bool status,
+		uint256 value
+	) public {
 		require(false, stub_error);
 		limit;
+		status;
 		value;
 		dummy = 0;
 	}
@@ -391,19 +422,19 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() public view returns (Tuple33 memory) {
+	function collectionNestingRestrictedCollectionIds() public view returns (Tuple38 memory) {
 		require(false, stub_error);
 		dummy;
-		return Tuple33(false, new uint256[](0));
+		return Tuple38(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 (Tuple36[] memory) {
+	function collectionNestingPermissions() public view returns (Tuple41[] memory) {
 		require(false, stub_error);
 		dummy;
-		return new Tuple36[](0);
+		return new Tuple41[](0);
 	}
 
 	/// Set the collection access method.
@@ -583,17 +614,46 @@
 }
 
 /// @dev anonymous struct
-struct Tuple36 {
+struct Tuple41 {
 	CollectionPermissions field_0;
 	bool field_1;
 }
 
 /// @dev anonymous struct
-struct Tuple33 {
+struct Tuple38 {
 	bool field_0;
 	uint256[] field_1;
 }
 
+/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
+enum CollectionLimits {
+	/// @dev How many tokens can a user have on one account.
+	AccountTokenOwnership,
+	/// @dev How many bytes of data are available for sponsorship.
+	SponsoredDataSize,
+	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	SponsoredDataRateLimit,
+	/// @dev How many tokens can be mined into this collection.
+	TokenLimit,
+	/// @dev Timeouts for transfer sponsoring.
+	SponsorTransferTimeout,
+	/// @dev Timeout for sponsoring an approval in passed blocks.
+	SponsorApproveTimeout,
+	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	OwnerCanTransfer,
+	/// @dev Can the collection owner burn other people's tokens.
+	OwnerCanDestroy,
+	/// @dev Is it possible to send tokens from this collection between users.
+	TransferEnabled
+}
+
+/// @dev anonymous struct
+struct Tuple32 {
+	CollectionLimits field_0;
+	bool field_1;
+	uint256 field_2;
+}
+
 /// @dev anonymous struct
 struct Tuple29 {
 	address field_0;

--- a/tests/src/eth/abi/fungible.json
+++ b/tests/src/eth/abi/fungible.json
@@ -208,6 +208,28 @@
   },
   {
     "inputs": [],
+    "name": "collectionLimits",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "enum CollectionLimits",
+            "name": "field_0",
+            "type": "uint8"
+          },
+          { "internalType": "bool", "name": "field_1", "type": "bool" },
+          { "internalType": "uint256", "name": "field_2", "type": "uint256" }
+        ],
+        "internalType": "struct Tuple20[]",
+        "name": "",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
     "name": "collectionNestingPermissions",
     "outputs": [
       {
@@ -219,7 +241,7 @@
           },
           { "internalType": "bool", "name": "field_1", "type": "bool" }
         ],
-        "internalType": "struct Tuple24[]",
+        "internalType": "struct Tuple29[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -240,7 +262,7 @@
             "type": "uint256[]"
           }
         ],
-        "internalType": "struct Tuple21",
+        "internalType": "struct Tuple26",
         "name": "",
         "type": "tuple"
       }
@@ -453,7 +475,12 @@
   },
   {
     "inputs": [
-      { "internalType": "string", "name": "limit", "type": "string" },
+      {
+        "internalType": "enum CollectionLimits",
+        "name": "limit",
+        "type": "uint8"
+      },
+      { "internalType": "bool", "name": "status", "type": "bool" },
       { "internalType": "uint256", "name": "value", "type": "uint256" }
     ],
     "name": "setCollectionLimit",

--- a/tests/src/eth/abi/nonFungible.json
+++ b/tests/src/eth/abi/nonFungible.json
@@ -238,6 +238,28 @@
   },
   {
     "inputs": [],
+    "name": "collectionLimits",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "enum CollectionLimits",
+            "name": "field_0",
+            "type": "uint8"
+          },
+          { "internalType": "bool", "name": "field_1", "type": "bool" },
+          { "internalType": "uint256", "name": "field_2", "type": "uint256" }
+        ],
+        "internalType": "struct Tuple33[]",
+        "name": "",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
     "name": "collectionNestingPermissions",
     "outputs": [
       {
@@ -249,7 +271,7 @@
           },
           { "internalType": "bool", "name": "field_1", "type": "bool" }
         ],
-        "internalType": "struct Tuple37[]",
+        "internalType": "struct Tuple42[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -270,7 +292,7 @@
             "type": "uint256[]"
           }
         ],
-        "internalType": "struct Tuple34",
+        "internalType": "struct Tuple39",
         "name": "",
         "type": "tuple"
       }
@@ -607,7 +629,12 @@
   },
   {
     "inputs": [
-      { "internalType": "string", "name": "limit", "type": "string" },
+      {
+        "internalType": "enum CollectionLimits",
+        "name": "limit",
+        "type": "uint8"
+      },
+      { "internalType": "bool", "name": "status", "type": "bool" },
       { "internalType": "uint256", "name": "value", "type": "uint256" }
     ],
     "name": "setCollectionLimit",
@@ -709,12 +736,12 @@
               },
               { "internalType": "bool", "name": "field_1", "type": "bool" }
             ],
-            "internalType": "struct Tuple46[]",
+            "internalType": "struct Tuple57[]",
             "name": "field_1",
             "type": "tuple[]"
           }
         ],
-        "internalType": "struct Tuple48[]",
+        "internalType": "struct Tuple59[]",
         "name": "permissions",
         "type": "tuple[]"
       }
@@ -775,12 +802,12 @@
               },
               { "internalType": "bool", "name": "field_1", "type": "bool" }
             ],
-            "internalType": "struct Tuple46[]",
+            "internalType": "struct Tuple57[]",
             "name": "field_1",
             "type": "tuple[]"
           }
         ],
-        "internalType": "struct Tuple48[]",
+        "internalType": "struct Tuple59[]",
         "name": "",
         "type": "tuple[]"
       }

--- a/tests/src/eth/abi/reFungible.json
+++ b/tests/src/eth/abi/reFungible.json
@@ -220,6 +220,28 @@
   },
   {
     "inputs": [],
+    "name": "collectionLimits",
+    "outputs": [
+      {
+        "components": [
+          {
+            "internalType": "enum CollectionLimits",
+            "name": "field_0",
+            "type": "uint8"
+          },
+          { "internalType": "bool", "name": "field_1", "type": "bool" },
+          { "internalType": "uint256", "name": "field_2", "type": "uint256" }
+        ],
+        "internalType": "struct Tuple32[]",
+        "name": "",
+        "type": "tuple[]"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
     "name": "collectionNestingPermissions",
     "outputs": [
       {
@@ -231,7 +253,7 @@
           },
           { "internalType": "bool", "name": "field_1", "type": "bool" }
         ],
-        "internalType": "struct Tuple36[]",
+        "internalType": "struct Tuple41[]",
         "name": "",
         "type": "tuple[]"
       }
@@ -252,7 +274,7 @@
             "type": "uint256[]"
           }
         ],
-        "internalType": "struct Tuple33",
+        "internalType": "struct Tuple38",
         "name": "",
         "type": "tuple"
       }
@@ -589,7 +611,12 @@
   },
   {
     "inputs": [
-      { "internalType": "string", "name": "limit", "type": "string" },
+      {
+        "internalType": "enum CollectionLimits",
+        "name": "limit",
+        "type": "uint8"
+      },
+      { "internalType": "bool", "name": "status", "type": "bool" },
       { "internalType": "uint256", "name": "value", "type": "uint256" }
     ],
     "name": "setCollectionLimit",
@@ -691,12 +718,12 @@
               },
               { "internalType": "bool", "name": "field_1", "type": "bool" }
             ],
-            "internalType": "struct Tuple51[]",
+            "internalType": "struct Tuple56[]",
             "name": "field_1",
             "type": "tuple[]"
           }
         ],
-        "internalType": "struct Tuple53[]",
+        "internalType": "struct Tuple58[]",
         "name": "permissions",
         "type": "tuple[]"
       }
@@ -766,12 +793,12 @@
               },
               { "internalType": "bool", "name": "field_1", "type": "bool" }
             ],
-            "internalType": "struct Tuple51[]",
+            "internalType": "struct Tuple56[]",
             "name": "field_1",
             "type": "tuple[]"
           }
         ],
-        "internalType": "struct Tuple53[]",
+        "internalType": "struct Tuple58[]",
         "name": "",
         "type": "tuple[]"
       }

--- 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 0xb5e1747f
+/// @dev the ERC-165 identifier for this interface is 0x81172a75
 interface Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -104,6 +104,23 @@
 	///  or in textual repr: collectionSponsor()
 	function collectionSponsor() external view returns (Tuple8 memory);
 
+	/// Get current collection limits.
+	///
+	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
+	/// 	"accountTokenOwnershipLimit",
+	/// 	"sponsoredDataSize",
+	/// 	"sponsoredDataRateLimit",
+	/// 	"tokenLimit",
+	/// 	"sponsorTransferTimeout",
+	/// 	"sponsorApproveTimeout"
+	///  	"ownerCanTransfer",
+	/// 	"ownerCanDestroy",
+	/// 	"transfersEnabled"
+	/// Return `false` if a limit not set.
+	/// @dev EVM selector for this function is: 0xf63bc572,
+	///  or in textual repr: collectionLimits()
+	function collectionLimits() external view returns (Tuple19[] memory);
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -116,10 +133,15 @@
 	///  	"ownerCanTransfer",
 	/// 	"ownerCanDestroy",
 	/// 	"transfersEnabled"
+	/// @param status enable\disable limit. Works only with `true`.
 	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x4ad890a8,
-	///  or in textual repr: setCollectionLimit(string,uint256)
-	function setCollectionLimit(string memory limit, uint256 value) external;
+	/// @dev EVM selector for this function is: 0x88150bd0,
+	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
+	function setCollectionLimit(
+		CollectionLimits limit,
+		bool status,
+		uint256 value
+	) external;
 
 	/// Get contract address.
 	/// @dev EVM selector for this function is: 0xf6b4dfb4,
@@ -169,12 +191,12 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() external view returns (Tuple20 memory);
+	function collectionNestingRestrictedCollectionIds() external view returns (Tuple24 memory);
 
 	/// Returns permissions for a collection
 	/// @dev EVM selector for this function is: 0x5b2eaf4b,
 	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() external view returns (Tuple23[] memory);
+	function collectionNestingPermissions() external view returns (Tuple27[] memory);
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -289,7 +311,7 @@
 }
 
 /// @dev anonymous struct
-struct Tuple23 {
+struct Tuple27 {
 	CollectionPermissions field_0;
 	bool field_1;
 }
@@ -300,11 +322,40 @@
 }
 
 /// @dev anonymous struct
-struct Tuple20 {
+struct Tuple24 {
 	bool field_0;
 	uint256[] field_1;
 }
 
+/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
+enum CollectionLimits {
+	/// @dev How many tokens can a user have on one account.
+	AccountTokenOwnership,
+	/// @dev How many bytes of data are available for sponsorship.
+	SponsoredDataSize,
+	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	SponsoredDataRateLimit,
+	/// @dev How many tokens can be mined into this collection.
+	TokenLimit,
+	/// @dev Timeouts for transfer sponsoring.
+	SponsorTransferTimeout,
+	/// @dev Timeout for sponsoring an approval in passed blocks.
+	SponsorApproveTimeout,
+	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	OwnerCanTransfer,
+	/// @dev Can the collection owner burn other people's tokens.
+	OwnerCanDestroy,
+	/// @dev Is it possible to send tokens from this collection between users.
+	TransferEnabled
+}
+
+/// @dev anonymous struct
+struct Tuple19 {
+	CollectionLimits field_0;
+	bool field_1;
+	uint256 field_2;
+}
+
 /// @dev Property struct
 struct Property {
 	string key;

--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -30,11 +30,12 @@
 	/// @param permissions Permissions for keys.
 	/// @dev EVM selector for this function is: 0xbd92983a,
 	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])
-	function setTokenPropertyPermissions(Tuple43[] memory permissions) external;
+	function setTokenPropertyPermissions(Tuple52[] memory permissions) external;
 
+	/// @notice Get permissions for token properties.
 	/// @dev EVM selector for this function is: 0xf23d7790,
 	///  or in textual repr: tokenPropertyPermissions()
-	function tokenPropertyPermissions() external view returns (Tuple43[] memory);
+	function tokenPropertyPermissions() external view returns (Tuple52[] memory);
 
 	// /// @notice Set token property value.
 	// /// @dev Throws error if `msg.sender` has no permission to edit the property.
@@ -85,26 +86,30 @@
 	bytes value;
 }
 
+/// @dev Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
 enum EthTokenPermissions {
+	/// @dev Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
 	Mutable,
+	/// @dev Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
 	TokenOwner,
+	/// @dev Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
 	CollectionAdmin
 }
 
 /// @dev anonymous struct
-struct Tuple43 {
+struct Tuple52 {
 	string field_0;
-	Tuple41[] field_1;
+	Tuple50[] field_1;
 }
 
 /// @dev anonymous struct
-struct Tuple41 {
+struct Tuple50 {
 	EthTokenPermissions field_0;
 	bool field_1;
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xb5e1747f
+/// @dev the ERC-165 identifier for this interface is 0x81172a75
 interface Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -195,6 +200,23 @@
 	///  or in textual repr: collectionSponsor()
 	function collectionSponsor() external view returns (Tuple27 memory);
 
+	/// Get current collection limits.
+	///
+	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
+	/// 	"accountTokenOwnershipLimit",
+	/// 	"sponsoredDataSize",
+	/// 	"sponsoredDataRateLimit",
+	/// 	"tokenLimit",
+	/// 	"sponsorTransferTimeout",
+	/// 	"sponsorApproveTimeout"
+	///  	"ownerCanTransfer",
+	/// 	"ownerCanDestroy",
+	/// 	"transfersEnabled"
+	/// Return `false` if a limit not set.
+	/// @dev EVM selector for this function is: 0xf63bc572,
+	///  or in textual repr: collectionLimits()
+	function collectionLimits() external view returns (Tuple30[] memory);
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -207,10 +229,15 @@
 	///  	"ownerCanTransfer",
 	/// 	"ownerCanDestroy",
 	/// 	"transfersEnabled"
+	/// @param status enable\disable limit. Works only with `true`.
 	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x4ad890a8,
-	///  or in textual repr: setCollectionLimit(string,uint256)
-	function setCollectionLimit(string memory limit, uint256 value) external;
+	/// @dev EVM selector for this function is: 0x88150bd0,
+	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
+	function setCollectionLimit(
+		CollectionLimits limit,
+		bool status,
+		uint256 value
+	) external;
 
 	/// Get contract address.
 	/// @dev EVM selector for this function is: 0xf6b4dfb4,
@@ -260,12 +287,12 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() external view returns (Tuple31 memory);
+	function collectionNestingRestrictedCollectionIds() external view returns (Tuple35 memory);
 
 	/// Returns permissions for a collection
 	/// @dev EVM selector for this function is: 0x5b2eaf4b,
 	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() external view returns (Tuple34[] memory);
+	function collectionNestingPermissions() external view returns (Tuple38[] memory);
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -380,7 +407,7 @@
 }
 
 /// @dev anonymous struct
-struct Tuple34 {
+struct Tuple38 {
 	CollectionPermissions field_0;
 	bool field_1;
 }
@@ -391,11 +418,40 @@
 }
 
 /// @dev anonymous struct
-struct Tuple31 {
+struct Tuple35 {
 	bool field_0;
 	uint256[] field_1;
 }
 
+/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
+enum CollectionLimits {
+	/// @dev How many tokens can a user have on one account.
+	AccountTokenOwnership,
+	/// @dev How many bytes of data are available for sponsorship.
+	SponsoredDataSize,
+	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	SponsoredDataRateLimit,
+	/// @dev How many tokens can be mined into this collection.
+	TokenLimit,
+	/// @dev Timeouts for transfer sponsoring.
+	SponsorTransferTimeout,
+	/// @dev Timeout for sponsoring an approval in passed blocks.
+	SponsorApproveTimeout,
+	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	OwnerCanTransfer,
+	/// @dev Can the collection owner burn other people's tokens.
+	OwnerCanDestroy,
+	/// @dev Is it possible to send tokens from this collection between users.
+	TransferEnabled
+}
+
+/// @dev anonymous struct
+struct Tuple30 {
+	CollectionLimits field_0;
+	bool field_1;
+	uint256 field_2;
+}
+
 /// @dev anonymous struct
 struct Tuple27 {
 	address field_0;

--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -30,12 +30,12 @@
 	/// @param permissions Permissions for keys.
 	/// @dev EVM selector for this function is: 0xbd92983a,
 	///  or in textual repr: setTokenPropertyPermissions((string,(uint8,bool)[])[])
-	function setTokenPropertyPermissions(Tuple47[] memory permissions) external;
+	function setTokenPropertyPermissions(Tuple51[] memory permissions) external;
 
 	/// @notice Get permissions for token properties.
 	/// @dev EVM selector for this function is: 0xf23d7790,
 	///  or in textual repr: tokenPropertyPermissions()
-	function tokenPropertyPermissions() external view returns (Tuple47[] memory);
+	function tokenPropertyPermissions() external view returns (Tuple51[] memory);
 
 	// /// @notice Set token property value.
 	// /// @dev Throws error if `msg.sender` has no permission to edit the property.
@@ -86,26 +86,30 @@
 	bytes value;
 }
 
+/// @dev Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.
 enum EthTokenPermissions {
+	/// @dev Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]
 	Mutable,
+	/// @dev Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]
 	TokenOwner,
+	/// @dev Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]
 	CollectionAdmin
 }
 
 /// @dev anonymous struct
-struct Tuple47 {
+struct Tuple51 {
 	string field_0;
-	Tuple45[] field_1;
+	Tuple49[] field_1;
 }
 
 /// @dev anonymous struct
-struct Tuple45 {
+struct Tuple49 {
 	EthTokenPermissions field_0;
 	bool field_1;
 }
 
 /// @title A contract that allows you to work with collections.
-/// @dev the ERC-165 identifier for this interface is 0xb5e1747f
+/// @dev the ERC-165 identifier for this interface is 0x81172a75
 interface Collection is Dummy, ERC165 {
 	// /// Set collection property.
 	// ///
@@ -196,6 +200,23 @@
 	///  or in textual repr: collectionSponsor()
 	function collectionSponsor() external view returns (Tuple26 memory);
 
+	/// Get current collection limits.
+	///
+	/// @return Array of tuples (byte, bool, uint256) with limits and their values. Order of limits:
+	/// 	"accountTokenOwnershipLimit",
+	/// 	"sponsoredDataSize",
+	/// 	"sponsoredDataRateLimit",
+	/// 	"tokenLimit",
+	/// 	"sponsorTransferTimeout",
+	/// 	"sponsorApproveTimeout"
+	///  	"ownerCanTransfer",
+	/// 	"ownerCanDestroy",
+	/// 	"transfersEnabled"
+	/// Return `false` if a limit not set.
+	/// @dev EVM selector for this function is: 0xf63bc572,
+	///  or in textual repr: collectionLimits()
+	function collectionLimits() external view returns (Tuple29[] memory);
+
 	/// Set limits for the collection.
 	/// @dev Throws error if limit not found.
 	/// @param limit Name of the limit. Valid names:
@@ -208,10 +229,15 @@
 	///  	"ownerCanTransfer",
 	/// 	"ownerCanDestroy",
 	/// 	"transfersEnabled"
+	/// @param status enable\disable limit. Works only with `true`.
 	/// @param value Value of the limit.
-	/// @dev EVM selector for this function is: 0x4ad890a8,
-	///  or in textual repr: setCollectionLimit(string,uint256)
-	function setCollectionLimit(string memory limit, uint256 value) external;
+	/// @dev EVM selector for this function is: 0x88150bd0,
+	///  or in textual repr: setCollectionLimit(uint8,bool,uint256)
+	function setCollectionLimit(
+		CollectionLimits limit,
+		bool status,
+		uint256 value
+	) external;
 
 	/// Get contract address.
 	/// @dev EVM selector for this function is: 0xf6b4dfb4,
@@ -261,12 +287,12 @@
 	/// Returns nesting for a collection
 	/// @dev EVM selector for this function is: 0x22d25bfe,
 	///  or in textual repr: collectionNestingRestrictedCollectionIds()
-	function collectionNestingRestrictedCollectionIds() external view returns (Tuple30 memory);
+	function collectionNestingRestrictedCollectionIds() external view returns (Tuple34 memory);
 
 	/// Returns permissions for a collection
 	/// @dev EVM selector for this function is: 0x5b2eaf4b,
 	///  or in textual repr: collectionNestingPermissions()
-	function collectionNestingPermissions() external view returns (Tuple33[] memory);
+	function collectionNestingPermissions() external view returns (Tuple37[] memory);
 
 	/// Set the collection access method.
 	/// @param mode Access mode
@@ -381,7 +407,7 @@
 }
 
 /// @dev anonymous struct
-struct Tuple33 {
+struct Tuple37 {
 	CollectionPermissions field_0;
 	bool field_1;
 }
@@ -392,11 +418,40 @@
 }
 
 /// @dev anonymous struct
-struct Tuple30 {
+struct Tuple34 {
 	bool field_0;
 	uint256[] field_1;
 }
 
+/// @dev [`CollectionLimits`](up_data_structs::CollectionLimits) representation for EVM.
+enum CollectionLimits {
+	/// @dev How many tokens can a user have on one account.
+	AccountTokenOwnership,
+	/// @dev How many bytes of data are available for sponsorship.
+	SponsoredDataSize,
+	/// @dev In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]
+	SponsoredDataRateLimit,
+	/// @dev How many tokens can be mined into this collection.
+	TokenLimit,
+	/// @dev Timeouts for transfer sponsoring.
+	SponsorTransferTimeout,
+	/// @dev Timeout for sponsoring an approval in passed blocks.
+	SponsorApproveTimeout,
+	/// @dev Whether the collection owner of the collection can send tokens (which belong to other users).
+	OwnerCanTransfer,
+	/// @dev Can the collection owner burn other people's tokens.
+	OwnerCanDestroy,
+	/// @dev Is it possible to send tokens from this collection between users.
+	TransferEnabled
+}
+
+/// @dev anonymous struct
+struct Tuple29 {
+	CollectionLimits field_0;
+	bool field_1;
+	uint256 field_2;
+}
+
 /// @dev anonymous struct
 struct Tuple26 {
 	address field_0;

--- a/tests/src/eth/collectionLimits.test.ts
+++ b/tests/src/eth/collectionLimits.test.ts
@@ -1,6 +1,7 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {Pallets} from '../util';
 import {expect, itEth, usingEthPlaygrounds} from './util';
+import {CollectionLimits} from './util/playgrounds/types';
 
 
 describe('Can set collection limits', () => {
@@ -44,20 +45,33 @@
         transfersEnabled: false,
       };
      
-      const collection = helper.ethNativeContract.collection(collectionAddress, testCase.case, owner);
-      await collection.methods.setCollectionLimit('accountTokenOwnershipLimit', limits.accountTokenOwnershipLimit).send();
-      await collection.methods.setCollectionLimit('sponsoredDataSize', limits.sponsoredDataSize).send();
-      await collection.methods.setCollectionLimit('sponsoredDataRateLimit', limits.sponsoredDataRateLimit).send();
-      await collection.methods.setCollectionLimit('tokenLimit', limits.tokenLimit).send();
-      await collection.methods.setCollectionLimit('sponsorTransferTimeout', limits.sponsorTransferTimeout).send();
-      await collection.methods.setCollectionLimit('sponsorApproveTimeout', limits.sponsorApproveTimeout).send();
-      await collection.methods.setCollectionLimit('ownerCanTransfer', limits.ownerCanTransfer).send();
-      await collection.methods.setCollectionLimit('ownerCanDestroy', limits.ownerCanDestroy).send();
-      await collection.methods.setCollectionLimit('transfersEnabled', limits.transfersEnabled).send();
+      const collectionEvm = helper.ethNativeContract.collection(collectionAddress, testCase.case, owner);
+      await collectionEvm.methods.setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, limits.accountTokenOwnershipLimit).send();
+      await collectionEvm.methods.setCollectionLimit(CollectionLimits.SponsoredDataSize, true, limits.sponsoredDataSize).send();
+      await collectionEvm.methods.setCollectionLimit(CollectionLimits.SponsoredDataRateLimit, true, limits.sponsoredDataRateLimit).send();
+      await collectionEvm.methods.setCollectionLimit(CollectionLimits.TokenLimit, true, limits.tokenLimit).send();
+      await collectionEvm.methods.setCollectionLimit(CollectionLimits.SponsorTransferTimeout, true, limits.sponsorTransferTimeout).send();
+      await collectionEvm.methods.setCollectionLimit(CollectionLimits.SponsorApproveTimeout, true, limits.sponsorApproveTimeout).send();
+      await collectionEvm.methods.setCollectionLimit(CollectionLimits.OwnerCanTransfer, true, limits.ownerCanTransfer).send();
+      await collectionEvm.methods.setCollectionLimit(CollectionLimits.OwnerCanDestroy, true, limits.ownerCanDestroy).send();
+      await collectionEvm.methods.setCollectionLimit(CollectionLimits.TransferEnabled, true, limits.transfersEnabled).send();
       
+      // Check limits from sub:
       const data = (await helper.rft.getData(collectionId))!;
       expect(data.raw.limits).to.deep.eq(expectedLimits);
       expect(await helper.collection.getEffectiveLimits(collectionId)).to.deep.eq(expectedLimits);
+      // Check limits from eth:
+      const limitsEvm = await collectionEvm.methods.collectionLimits().call({from: owner});
+      expect(limitsEvm).to.have.length(9);
+      expect(limitsEvm[0]).to.deep.eq([CollectionLimits.AccountTokenOwnership.toString(), true, limits.accountTokenOwnershipLimit.toString()]);
+      expect(limitsEvm[1]).to.deep.eq([CollectionLimits.SponsoredDataSize.toString(), true, limits.sponsoredDataSize.toString()]);
+      expect(limitsEvm[2]).to.deep.eq([CollectionLimits.SponsoredDataRateLimit.toString(), true, limits.sponsoredDataRateLimit.toString()]);
+      expect(limitsEvm[3]).to.deep.eq([CollectionLimits.TokenLimit.toString(), true, limits.tokenLimit.toString()]);
+      expect(limitsEvm[4]).to.deep.eq([CollectionLimits.SponsorTransferTimeout.toString(), true, limits.sponsorTransferTimeout.toString()]);
+      expect(limitsEvm[5]).to.deep.eq([CollectionLimits.SponsorApproveTimeout.toString(), true, limits.sponsorApproveTimeout.toString()]);
+      expect(limitsEvm[6]).to.deep.eq([CollectionLimits.OwnerCanTransfer.toString(), true, limits.ownerCanTransfer.toString()]);
+      expect(limitsEvm[7]).to.deep.eq([CollectionLimits.OwnerCanDestroy.toString(), true, limits.ownerCanDestroy.toString()]);
+      expect(limitsEvm[8]).to.deep.eq([CollectionLimits.TransferEnabled.toString(), true, limits.transfersEnabled.toString()]);
     }));
 });
 
@@ -84,17 +98,48 @@
       const owner = await helper.eth.createAccountWithBalance(donor);
       const {collectionAddress} = await helper.eth.createCollection(testCase.case, owner, 'Limits', 'absolutely anything', 'ISNI', 18);
       const collectionEvm = helper.ethNativeContract.collection(collectionAddress, testCase.case, owner);
+
+      // Cannot set non-existing limit
       await expect(collectionEvm.methods
-        .setCollectionLimit('badLimit', '1')
-        .call()).to.be.rejectedWith('unknown limit "badLimit"');
-      
+        .setCollectionLimit(9, true, 1)
+        .call()).to.be.rejectedWith('Returned error: VM Exception while processing transaction: revert Value not convertible into enum "CollectionLimits"');      
+        
+      // Cannot disable limits
+      await expect(collectionEvm.methods
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, false, 200)
+        .call()).to.be.rejectedWith('Returned error: VM Exception while processing transaction: revert user can\'t disable limits');
+
       await expect(collectionEvm.methods
-        .setCollectionLimit(Object.keys(invalidLimits)[0], invalidLimits.accountTokenOwnershipLimit)
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, invalidLimits.accountTokenOwnershipLimit)
         .call()).to.be.rejectedWith(`can't convert value to u32 "${invalidLimits.accountTokenOwnershipLimit}"`);
-      
+ 
       await expect(collectionEvm.methods
-        .setCollectionLimit(Object.keys(invalidLimits)[1], invalidLimits.transfersEnabled)
+        .setCollectionLimit(CollectionLimits.TransferEnabled, true, 3)
         .call()).to.be.rejectedWith(`can't convert value to boolean "${invalidLimits.transfersEnabled}"`);
+
+      expect(() => collectionEvm.methods
+        .setCollectionLimit(CollectionLimits.SponsoredDataSize, true, -1).send()).to.throw('value out-of-bounds');
     }));
+
+  [
+    {case: 'nft' as const, requiredPallets: []},
+    {case: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+    {case: 'ft' as const, requiredPallets: []},
+  ].map(testCase =>
+    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 collectionEvm = helper.ethNativeContract.collection(collectionAddress, testCase.case, owner);
+      await expect(collectionEvm.methods
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .call({from: nonOwner}))
+        .to.be.rejectedWith('NoPermission');
+
+      await expect(collectionEvm.methods
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
+        .send({from: nonOwner}))
+        .to.be.rejected;
+    }));
 });
-  
\ No newline at end of file

--- a/tests/src/eth/createFTCollection.test.ts
+++ b/tests/src/eth/createFTCollection.test.ts
@@ -18,6 +18,7 @@
 import {evmToAddress} from '@polkadot/util-crypto';
 import {Pallets, requirePalletsOrSkip} from '../util';
 import {expect, itEth, usingEthPlaygrounds} from './util';
+import { CollectionLimits } from './util/playgrounds/types';
 
 const DECIMALS = 18;
 
@@ -196,7 +197,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit('accountTokenOwnershipLimit', '1000')
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
@@ -221,7 +222,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit('accountTokenOwnershipLimit', '1000')
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });    

--- a/tests/src/eth/createNFTCollection.test.ts
+++ b/tests/src/eth/createNFTCollection.test.ts
@@ -17,6 +17,7 @@
 import {evmToAddress} from '@polkadot/util-crypto';
 import {IKeyringPair} from '@polkadot/types/types';
 import {expect, itEth, usingEthPlaygrounds} from './util';
+import { CollectionLimits } from './util/playgrounds/types';
 
 
 describe('Create NFT collection from EVM', () => {
@@ -207,7 +208,7 @@
     }
     {
       await expect(malfeasantCollection.methods
-        .setCollectionLimit('accountTokenOwnershipLimit', '1000')
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
@@ -232,7 +233,7 @@
     }
     {
       await expect(malfeasantCollection.methods
-        .setCollectionLimit('accountTokenOwnershipLimit', '1000')
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });

--- a/tests/src/eth/createRFTCollection.test.ts
+++ b/tests/src/eth/createRFTCollection.test.ts
@@ -18,6 +18,7 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {Pallets, requirePalletsOrSkip} from '../util';
 import {expect, itEth, usingEthPlaygrounds} from './util';
+import {CollectionLimits} from './util/playgrounds/types';
 
 
 describe('Create RFT collection from EVM', () => {
@@ -239,7 +240,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit('accountTokenOwnershipLimit', '1000')
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });
@@ -264,7 +265,7 @@
     }
     {
       await expect(peasantCollection.methods
-        .setCollectionLimit('accountTokenOwnershipLimit', '1000')
+        .setCollectionLimit(CollectionLimits.AccountTokenOwnership, true, 1000)
         .call()).to.be.rejectedWith(EXPECTED_ERROR);
     }
   });

--- 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 {EthTokenPermissions, NormalizedEvent} from './util/playgrounds/types';
+import {CollectionLimits, EthTokenPermissions, NormalizedEvent} from './util/playgrounds/types';
 
 let donor: IKeyringPair;
   
@@ -234,7 +234,7 @@
   });
   const {unsubscribe, collectedEvents: subEvents} = await helper.subscribeEvents([{section: 'common', names: ['CollectionLimitSet']}]);
   {
-    await collection.methods.setCollectionLimit('ownerCanTransfer', 0n).send({from: owner});
+    await collection.methods.setCollectionLimit(CollectionLimits.OwnerCanTransfer, true, 0).send({from: owner});
     await helper.wait.newBlocks(1);
     expect(ethEvents).to.be.like([
       {

--- a/tests/src/eth/util/playgrounds/types.ts
+++ b/tests/src/eth/util/playgrounds/types.ts
@@ -24,4 +24,15 @@
   Mutable,
   TokenOwner,
   CollectionAdmin
-}
\ No newline at end of file
+}
+export enum CollectionLimits {
+  AccountTokenOwnership,
+	SponsoredDataSize,
+	SponsoredDataRateLimit,
+	TokenLimit,
+	SponsorTransferTimeout,
+	SponsorApproveTimeout,
+	OwnerCanTransfer,
+	OwnerCanDestroy,
+	TransferEnabled
+}

84        );84        );
85      } else if (chain.eq('UNIQUE')) {85      } else if (chain.eq('UNIQUE')) {
86        // Insert Unique additional pallets here86        // Insert Unique additional pallets here
87        requiredPallets.push(foreignAssets);
87      }88      }
88    });89    });
89  });90  });