git.delta.rocks / unique-network / refs/commits / b24c73be918e

--- a/pallets/common/src/erc.rs
+++ b/pallets/common/src/erc.rs
@@ -431,6 +431,27 @@
 		};
 		Ok(mode.into())
 	}
+
+	/// Changes collection owner
+	///
+	/// @dev Owner can be changed only by current owner
+	/// @param newOwner new owner
+	fn change_owner(&mut self, caller: caller, new_owner: address) -> Result<void> {
+		let caller = T::CrossAccountId::from_eth(caller);
+		let new_owner = T::CrossAccountId::from_eth(new_owner);
+		self.change_owner_internal(caller, new_owner)
+	}
+
+impl<T: Config> CollectionHandle<T>
+where
+	T::AccountId: From<[u8; 32]>,
+{
+
+	fn change_owner_internal(&mut self, caller: T::CrossAccountId, new_owner: T::CrossAccountId) -> Result<void> {
+		self.check_is_owner(&caller).map_err(dispatch_to_evm::<T>)?;
+		self.collection.owner = new_owner.as_sub().clone();
+		save(self)
+	}
 }
 
 fn check_is_owner_or_admin<T: Config>(
@@ -440,12 +461,13 @@
 	let caller = T::CrossAccountId::from_eth(caller);
 	collection
 		.check_is_owner_or_admin(&caller)
-		.map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
+		.map_err(dispatch_to_evm::<T>)?;
 	Ok(caller)
 }
 
 fn save<T: Config>(collection: &CollectionHandle<T>) -> Result<void> {
 	// TODO possibly delete for the lack of transaction
+	collection.consume_store_writes(1)?;
 	collection
 		.check_is_internal()
 		.map_err(dispatch_to_evm::<T>)?;

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--- a/pallets/fungible/src/stubs/UniqueFungible.sol
+++ b/pallets/fungible/src/stubs/UniqueFungible.sol
@@ -31,7 +31,103 @@
 	);
 }
 
-// Selector: 6cf113cd
+// Selector: 79cc6790
+contract ERC20UniqueExtensions is Dummy, ERC165 {
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 amount) public returns (bool) {
+		require(false, stub_error);
+		from;
+		amount;
+		dummy = 0;
+		return false;
+	}
+}
+
+// Selector: 942e8b22
+contract ERC20 is Dummy, ERC165, ERC20Events {
+	// Selector: name() 06fdde03
+	function name() public view returns (string memory) {
+		require(false, stub_error);
+		dummy;
+		return "";
+	}
+
+	// Selector: symbol() 95d89b41
+	function symbol() public view returns (string memory) {
+		require(false, stub_error);
+		dummy;
+		return "";
+	}
+
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+
+	// Selector: decimals() 313ce567
+	function decimals() public view returns (uint8) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+
+	// Selector: balanceOf(address) 70a08231
+	function balanceOf(address owner) public view returns (uint256) {
+		require(false, stub_error);
+		owner;
+		dummy;
+		return 0;
+	}
+
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 amount) public returns (bool) {
+		require(false, stub_error);
+		to;
+		amount;
+		dummy = 0;
+		return false;
+	}
+
+	// Selector: transferFrom(address,address,uint256) 23b872dd
+	function transferFrom(
+		address from,
+		address to,
+		uint256 amount
+	) public returns (bool) {
+		require(false, stub_error);
+		from;
+		to;
+		amount;
+		dummy = 0;
+		return false;
+	}
+
+	// Selector: approve(address,uint256) 095ea7b3
+	function approve(address spender, uint256 amount) public returns (bool) {
+		require(false, stub_error);
+		spender;
+		amount;
+		dummy = 0;
+		return false;
+	}
+
+	// Selector: allowance(address,address) dd62ed3e
+	function allowance(address owner, address spender)
+		public
+		view
+		returns (uint256)
+	{
+		require(false, stub_error);
+		owner;
+		spender;
+		dummy;
+		return 0;
+	}
+}
+
+// Selector: ca08c92c
 contract Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -276,105 +372,21 @@
 	//
 	// Selector: uniqueCollectionType() d34b55b8
 	function uniqueCollectionType() public returns (string memory) {
-		require(false, stub_error);
-		dummy = 0;
-		return "";
-	}
-}
-
-// Selector: 79cc6790
-contract ERC20UniqueExtensions is Dummy, ERC165 {
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 amount) public returns (bool) {
 		require(false, stub_error);
-		from;
-		amount;
 		dummy = 0;
-		return false;
-	}
-}
-
-// Selector: 942e8b22
-contract ERC20 is Dummy, ERC165, ERC20Events {
-	// Selector: name() 06fdde03
-	function name() public view returns (string memory) {
-		require(false, stub_error);
-		dummy;
-		return "";
-	}
-
-	// Selector: symbol() 95d89b41
-	function symbol() public view returns (string memory) {
-		require(false, stub_error);
-		dummy;
 		return "";
-	}
-
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() public view returns (uint256) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-
-	// Selector: decimals() 313ce567
-	function decimals() public view returns (uint8) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-
-	// Selector: balanceOf(address) 70a08231
-	function balanceOf(address owner) public view returns (uint256) {
-		require(false, stub_error);
-		owner;
-		dummy;
-		return 0;
 	}
 
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 amount) public returns (bool) {
-		require(false, stub_error);
-		to;
-		amount;
-		dummy = 0;
-		return false;
-	}
-
-	// Selector: transferFrom(address,address,uint256) 23b872dd
-	function transferFrom(
-		address from,
-		address to,
-		uint256 amount
-	) public returns (bool) {
-		require(false, stub_error);
-		from;
-		to;
-		amount;
-		dummy = 0;
-		return false;
-	}
-
-	// Selector: approve(address,uint256) 095ea7b3
-	function approve(address spender, uint256 amount) public returns (bool) {
+	// Changes collection owner
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner
+	//
+	// Selector: changeOwner(address) a6f9dae1
+	function changeOwner(address newOwner) public {
 		require(false, stub_error);
-		spender;
-		amount;
+		newOwner;
 		dummy = 0;
-		return false;
-	}
-
-	// Selector: allowance(address,address) dd62ed3e
-	function allowance(address owner, address spender)
-		public
-		view
-		returns (uint256)
-	{
-		require(false, stub_error);
-		owner;
-		spender;
-		dummy;
-		return 0;
 	}
 }
 

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373	}373	}
374}374}
375
376// Selector: 6cf113cd
377contract Collection is Dummy, ERC165 {
378	// Set collection property.
379	//
380	// @param key Property key.
381	// @param value Propery value.
382	//
383	// Selector: setCollectionProperty(string,bytes) 2f073f66
384	function setCollectionProperty(string memory key, bytes memory value)
385		public
386	{
387		require(false, stub_error);
388		key;
389		value;
390		dummy = 0;
391	}
392
393	// Delete collection property.
394	//
395	// @param key Property key.
396	//
397	// Selector: deleteCollectionProperty(string) 7b7debce
398	function deleteCollectionProperty(string memory key) public {
399		require(false, stub_error);
400		key;
401		dummy = 0;
402	}
403
404	// Get collection property.
405	//
406	// @dev Throws error if key not found.
407	//
408	// @param key Property key.
409	// @return bytes The property corresponding to the key.
410	//
411	// Selector: collectionProperty(string) cf24fd6d
412	function collectionProperty(string memory key)
413		public
414		view
415		returns (bytes memory)
416	{
417		require(false, stub_error);
418		key;
419		dummy;
420		return hex"";
421	}
422
423	// Set the sponsor of the collection.
424	//
425	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
426	//
427	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
428	//
429	// Selector: setCollectionSponsor(address) 7623402e
430	function setCollectionSponsor(address sponsor) public {
431		require(false, stub_error);
432		sponsor;
433		dummy = 0;
434	}
435
436	// Collection sponsorship confirmation.
437	//
438	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
439	//
440	// Selector: confirmCollectionSponsorship() 3c50e97a
441	function confirmCollectionSponsorship() public {
442		require(false, stub_error);
443		dummy = 0;
444	}
445
446	// Set limits for the collection.
447	// @dev Throws error if limit not found.
448	// @param limit Name of the limit. Valid names:
449	// 	"accountTokenOwnershipLimit",
450	// 	"sponsoredDataSize",
451	// 	"sponsoredDataRateLimit",
452	// 	"tokenLimit",
453	// 	"sponsorTransferTimeout",
454	// 	"sponsorApproveTimeout"
455	// @param value Value of the limit.
456	//
457	// Selector: setCollectionLimit(string,uint32) 6a3841db
458	function setCollectionLimit(string memory limit, uint32 value) public {
459		require(false, stub_error);
460		limit;
461		value;
462		dummy = 0;
463	}
464
465	// Set limits for the collection.
466	// @dev Throws error if limit not found.
467	// @param limit Name of the limit. Valid names:
468	// 	"ownerCanTransfer",
469	// 	"ownerCanDestroy",
470	// 	"transfersEnabled"
471	// @param value Value of the limit.
472	//
473	// Selector: setCollectionLimit(string,bool) 993b7fba
474	function setCollectionLimit(string memory limit, bool value) public {
475		require(false, stub_error);
476		limit;
477		value;
478		dummy = 0;
479	}
480
481	// Get contract address.
482	//
483	// Selector: contractAddress() f6b4dfb4
484	function contractAddress() public view returns (address) {
485		require(false, stub_error);
486		dummy;
487		return 0x0000000000000000000000000000000000000000;
488	}
489
490	// Add collection admin by substrate address.
491	// @param new_admin Substrate administrator address.
492	//
493	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
494	function addCollectionAdminSubstrate(uint256 newAdmin) public {
495		require(false, stub_error);
496		newAdmin;
497		dummy = 0;
498	}
499
500	// Remove collection admin by substrate address.
501	// @param admin Substrate administrator address.
502	//
503	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
504	function removeCollectionAdminSubstrate(uint256 admin) public {
505		require(false, stub_error);
506		admin;
507		dummy = 0;
508	}
509
510	// Add collection admin.
511	// @param new_admin Address of the added administrator.
512	//
513	// Selector: addCollectionAdmin(address) 92e462c7
514	function addCollectionAdmin(address newAdmin) public {
515		require(false, stub_error);
516		newAdmin;
517		dummy = 0;
518	}
519
520	// Remove collection admin.
521	//
522	// @param new_admin Address of the removed administrator.
523	//
524	// Selector: removeCollectionAdmin(address) fafd7b42
525	function removeCollectionAdmin(address admin) public {
526		require(false, stub_error);
527		admin;
528		dummy = 0;
529	}
530
531	// Toggle accessibility of collection nesting.
532	//
533	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
534	//
535	// Selector: setCollectionNesting(bool) 112d4586
536	function setCollectionNesting(bool enable) public {
537		require(false, stub_error);
538		enable;
539		dummy = 0;
540	}
541
542	// Toggle accessibility of collection nesting.
543	//
544	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
545	// @param collections Addresses of collections that will be available for nesting.
546	//
547	// Selector: setCollectionNesting(bool,address[]) 64872396
548	function setCollectionNesting(bool enable, address[] memory collections)
549		public
550	{
551		require(false, stub_error);
552		enable;
553		collections;
554		dummy = 0;
555	}
556
557	// Set the collection access method.
558	// @param mode Access mode
559	// 	0 for Normal
560	// 	1 for AllowList
561	//
562	// Selector: setCollectionAccess(uint8) 41835d4c
563	function setCollectionAccess(uint8 mode) public {
564		require(false, stub_error);
565		mode;
566		dummy = 0;
567	}
568
569	// Add the user to the allowed list.
570	//
571	// @param user Address of a trusted user.
572	//
573	// Selector: addToCollectionAllowList(address) 67844fe6
574	function addToCollectionAllowList(address user) public {
575		require(false, stub_error);
576		user;
577		dummy = 0;
578	}
579
580	// Remove the user from the allowed list.
581	//
582	// @param user Address of a removed user.
583	//
584	// Selector: removeFromCollectionAllowList(address) 85c51acb
585	function removeFromCollectionAllowList(address user) public {
586		require(false, stub_error);
587		user;
588		dummy = 0;
589	}
590
591	// Switch permission for minting.
592	//
593	// @param mode Enable if "true".
594	//
595	// Selector: setCollectionMintMode(bool) 00018e84
596	function setCollectionMintMode(bool mode) public {
597		require(false, stub_error);
598		mode;
599		dummy = 0;
600	}
601
602	// Check that account is the owner or admin of the collection
603	//
604	// @param user account to verify
605	// @return "true" if account is the owner or admin
606	//
607	// Selector: verifyOwnerOrAdmin(address) c2282493
608	function verifyOwnerOrAdmin(address user) public view returns (bool) {
609		require(false, stub_error);
610		user;
611		dummy;
612		return false;
613	}
614
615	// Returns collection type
616	//
617	// @return `Fungible` or `NFT` or `ReFungible`
618	//
619	// Selector: uniqueCollectionType() d34b55b8
620	function uniqueCollectionType() public returns (string memory) {
621		require(false, stub_error);
622		dummy = 0;
623		return "";
624	}
625}
626375
627// Selector: 780e9d63376// Selector: 780e9d63
628contract ERC721Enumerable is Dummy, ERC165 {377contract ERC721Enumerable is Dummy, ERC165 {
666	}415	}
667}416}
417
418// Selector: ca08c92c
419contract Collection is Dummy, ERC165 {
420	// Set collection property.
421	//
422	// @param key Property key.
423	// @param value Propery value.
424	//
425	// Selector: setCollectionProperty(string,bytes) 2f073f66
426	function setCollectionProperty(string memory key, bytes memory value)
427		public
428	{
429		require(false, stub_error);
430		key;
431		value;
432		dummy = 0;
433	}
434
435	// Delete collection property.
436	//
437	// @param key Property key.
438	//
439	// Selector: deleteCollectionProperty(string) 7b7debce
440	function deleteCollectionProperty(string memory key) public {
441		require(false, stub_error);
442		key;
443		dummy = 0;
444	}
445
446	// Get collection property.
447	//
448	// @dev Throws error if key not found.
449	//
450	// @param key Property key.
451	// @return bytes The property corresponding to the key.
452	//
453	// Selector: collectionProperty(string) cf24fd6d
454	function collectionProperty(string memory key)
455		public
456		view
457		returns (bytes memory)
458	{
459		require(false, stub_error);
460		key;
461		dummy;
462		return hex"";
463	}
464
465	// Set the sponsor of the collection.
466	//
467	// @dev In order for sponsorship to work, it must be confirmed on behalf of the sponsor.
468	//
469	// @param sponsor Address of the sponsor from whose account funds will be debited for operations with the contract.
470	//
471	// Selector: setCollectionSponsor(address) 7623402e
472	function setCollectionSponsor(address sponsor) public {
473		require(false, stub_error);
474		sponsor;
475		dummy = 0;
476	}
477
478	// Collection sponsorship confirmation.
479	//
480	// @dev After setting the sponsor for the collection, it must be confirmed with this function.
481	//
482	// Selector: confirmCollectionSponsorship() 3c50e97a
483	function confirmCollectionSponsorship() public {
484		require(false, stub_error);
485		dummy = 0;
486	}
487
488	// Set limits for the collection.
489	// @dev Throws error if limit not found.
490	// @param limit Name of the limit. Valid names:
491	// 	"accountTokenOwnershipLimit",
492	// 	"sponsoredDataSize",
493	// 	"sponsoredDataRateLimit",
494	// 	"tokenLimit",
495	// 	"sponsorTransferTimeout",
496	// 	"sponsorApproveTimeout"
497	// @param value Value of the limit.
498	//
499	// Selector: setCollectionLimit(string,uint32) 6a3841db
500	function setCollectionLimit(string memory limit, uint32 value) public {
501		require(false, stub_error);
502		limit;
503		value;
504		dummy = 0;
505	}
506
507	// Set limits for the collection.
508	// @dev Throws error if limit not found.
509	// @param limit Name of the limit. Valid names:
510	// 	"ownerCanTransfer",
511	// 	"ownerCanDestroy",
512	// 	"transfersEnabled"
513	// @param value Value of the limit.
514	//
515	// Selector: setCollectionLimit(string,bool) 993b7fba
516	function setCollectionLimit(string memory limit, bool value) public {
517		require(false, stub_error);
518		limit;
519		value;
520		dummy = 0;
521	}
522
523	// Get contract address.
524	//
525	// Selector: contractAddress() f6b4dfb4
526	function contractAddress() public view returns (address) {
527		require(false, stub_error);
528		dummy;
529		return 0x0000000000000000000000000000000000000000;
530	}
531
532	// Add collection admin by substrate address.
533	// @param new_admin Substrate administrator address.
534	//
535	// Selector: addCollectionAdminSubstrate(uint256) 5730062b
536	function addCollectionAdminSubstrate(uint256 newAdmin) public {
537		require(false, stub_error);
538		newAdmin;
539		dummy = 0;
540	}
541
542	// Remove collection admin by substrate address.
543	// @param admin Substrate administrator address.
544	//
545	// Selector: removeCollectionAdminSubstrate(uint256) 4048fcf9
546	function removeCollectionAdminSubstrate(uint256 admin) public {
547		require(false, stub_error);
548		admin;
549		dummy = 0;
550	}
551
552	// Add collection admin.
553	// @param new_admin Address of the added administrator.
554	//
555	// Selector: addCollectionAdmin(address) 92e462c7
556	function addCollectionAdmin(address newAdmin) public {
557		require(false, stub_error);
558		newAdmin;
559		dummy = 0;
560	}
561
562	// Remove collection admin.
563	//
564	// @param new_admin Address of the removed administrator.
565	//
566	// Selector: removeCollectionAdmin(address) fafd7b42
567	function removeCollectionAdmin(address admin) public {
568		require(false, stub_error);
569		admin;
570		dummy = 0;
571	}
572
573	// Toggle accessibility of collection nesting.
574	//
575	// @param enable If "true" degenerates to nesting: 'Owner' else to nesting: 'Disabled'
576	//
577	// Selector: setCollectionNesting(bool) 112d4586
578	function setCollectionNesting(bool enable) public {
579		require(false, stub_error);
580		enable;
581		dummy = 0;
582	}
583
584	// Toggle accessibility of collection nesting.
585	//
586	// @param enable If "true" degenerates to nesting: {OwnerRestricted: [1, 2, 3]} else to nesting: 'Disabled'
587	// @param collections Addresses of collections that will be available for nesting.
588	//
589	// Selector: setCollectionNesting(bool,address[]) 64872396
590	function setCollectionNesting(bool enable, address[] memory collections)
591		public
592	{
593		require(false, stub_error);
594		enable;
595		collections;
596		dummy = 0;
597	}
598
599	// Set the collection access method.
600	// @param mode Access mode
601	// 	0 for Normal
602	// 	1 for AllowList
603	//
604	// Selector: setCollectionAccess(uint8) 41835d4c
605	function setCollectionAccess(uint8 mode) public {
606		require(false, stub_error);
607		mode;
608		dummy = 0;
609	}
610
611	// Add the user to the allowed list.
612	//
613	// @param user Address of a trusted user.
614	//
615	// Selector: addToCollectionAllowList(address) 67844fe6
616	function addToCollectionAllowList(address user) public {
617		require(false, stub_error);
618		user;
619		dummy = 0;
620	}
621
622	// Remove the user from the allowed list.
623	//
624	// @param user Address of a removed user.
625	//
626	// Selector: removeFromCollectionAllowList(address) 85c51acb
627	function removeFromCollectionAllowList(address user) public {
628		require(false, stub_error);
629		user;
630		dummy = 0;
631	}
632
633	// Switch permission for minting.
634	//
635	// @param mode Enable if "true".
636	//
637	// Selector: setCollectionMintMode(bool) 00018e84
638	function setCollectionMintMode(bool mode) public {
639		require(false, stub_error);
640		mode;
641		dummy = 0;
642	}
643
644	// Check that account is the owner or admin of the collection
645	//
646	// @param user account to verify
647	// @return "true" if account is the owner or admin
648	//
649	// Selector: verifyOwnerOrAdmin(address) c2282493
650	function verifyOwnerOrAdmin(address user) public view returns (bool) {
651		require(false, stub_error);
652		user;
653		dummy;
654		return false;
655	}
656
657	// Returns collection type
658	//
659	// @return `Fungible` or `NFT` or `ReFungible`
660	//
661	// Selector: uniqueCollectionType() d34b55b8
662	function uniqueCollectionType() public returns (string memory) {
663		require(false, stub_error);
664		dummy = 0;
665		return "";
666	}
667
668	// Changes collection owner
669	//
670	// @dev Owner can be changed only by current owner
671	// @param newOwner new owner
672	//
673	// Selector: changeOwner(address) a6f9dae1
674	function changeOwner(address newOwner) public {
675		require(false, stub_error);
676		newOwner;
677		dummy = 0;
678	}
679}
668680
669// Selector: d74d154f681// Selector: d74d154f
670contract ERC721UniqueExtensions is Dummy, ERC165 {682contract ERC721UniqueExtensions is Dummy, ERC165 {

binary blob — no preview

--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -371,7 +371,142 @@
 	}
 }
 
-// Selector: 6cf113cd
+// Selector: 780e9d63
+contract ERC721Enumerable is Dummy, ERC165 {
+	// @notice Enumerate valid RFTs
+	// @param index A counter less than `totalSupply()`
+	// @return The token identifier for the `index`th NFT,
+	//  (sort order not specified)
+	//
+	// Selector: tokenByIndex(uint256) 4f6ccce7
+	function tokenByIndex(uint256 index) public view returns (uint256) {
+		require(false, stub_error);
+		index;
+		dummy;
+		return 0;
+	}
+
+	// Not implemented
+	//
+	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
+	function tokenOfOwnerByIndex(address owner, uint256 index)
+		public
+		view
+		returns (uint256)
+	{
+		require(false, stub_error);
+		owner;
+		index;
+		dummy;
+		return 0;
+	}
+
+	// @notice Count RFTs tracked by this contract
+	// @return A count of valid RFTs tracked by this contract, where each one of
+	//  them has an assigned and queryable owner not equal to the zero address
+	//
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+}
+
+// Selector: 7c3bef89
+contract ERC721UniqueExtensions is Dummy, ERC165 {
+	// @notice Transfer ownership of an RFT
+	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
+	//  is the zero address. Throws if `tokenId` is not a valid RFT.
+	//  Throws if RFT pieces have multiple owners.
+	// @param to The new owner
+	// @param tokenId The RFT to transfer
+	// @param _value Not used for an RFT
+	//
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 tokenId) public {
+		require(false, stub_error);
+		to;
+		tokenId;
+		dummy = 0;
+	}
+
+	// @notice Burns a specific ERC721 token.
+	// @dev Throws unless `msg.sender` is the current owner or an authorized
+	//  operator for this RFT. Throws if `from` is not the current owner. Throws
+	//  if `to` is the zero address. Throws if `tokenId` is not a valid RFT.
+	//  Throws if RFT pieces have multiple owners.
+	// @param from The current owner of the RFT
+	// @param tokenId The RFT to transfer
+	// @param _value Not used for an RFT
+	//
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 tokenId) public {
+		require(false, stub_error);
+		from;
+		tokenId;
+		dummy = 0;
+	}
+
+	// @notice Returns next free RFT ID.
+	//
+	// Selector: nextTokenId() 75794a3c
+	function nextTokenId() public view returns (uint256) {
+		require(false, stub_error);
+		dummy;
+		return 0;
+	}
+
+	// @notice Function to mint multiple tokens.
+	// @dev `tokenIds` should be an array of consecutive numbers and first number
+	//  should be obtained with `nextTokenId` method
+	// @param to The new owner
+	// @param tokenIds IDs of the minted RFTs
+	//
+	// Selector: mintBulk(address,uint256[]) 44a9945e
+	function mintBulk(address to, uint256[] memory tokenIds)
+		public
+		returns (bool)
+	{
+		require(false, stub_error);
+		to;
+		tokenIds;
+		dummy = 0;
+		return false;
+	}
+
+	// @notice Function to mint multiple tokens with the given tokenUris.
+	// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive
+	//  numbers and first number should be obtained with `nextTokenId` method
+	// @param to The new owner
+	// @param tokens array of pairs of token ID and token URI for minted tokens
+	//
+	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
+	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
+		public
+		returns (bool)
+	{
+		require(false, stub_error);
+		to;
+		tokens;
+		dummy = 0;
+		return false;
+	}
+
+	// Returns EVM address for refungible token
+	//
+	// @param token ID of the token
+	//
+	// Selector: tokenContractAddress(uint256) ab76fac6
+	function tokenContractAddress(uint256 token) public view returns (address) {
+		require(false, stub_error);
+		token;
+		dummy;
+		return 0x0000000000000000000000000000000000000000;
+	}
+}
+
+// Selector: ca08c92c
 contract Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -620,140 +755,17 @@
 		dummy = 0;
 		return "";
 	}
-}
 
-// Selector: 780e9d63
-contract ERC721Enumerable is Dummy, ERC165 {
-	// @notice Enumerate valid RFTs
-	// @param index A counter less than `totalSupply()`
-	// @return The token identifier for the `index`th NFT,
-	//  (sort order not specified)
+	// Changes collection owner
 	//
-	// Selector: tokenByIndex(uint256) 4f6ccce7
-	function tokenByIndex(uint256 index) public view returns (uint256) {
-		require(false, stub_error);
-		index;
-		dummy;
-		return 0;
-	}
-
-	// Not implemented
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner
 	//
-	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
-	function tokenOfOwnerByIndex(address owner, uint256 index)
-		public
-		view
-		returns (uint256)
-	{
+	// Selector: changeOwner(address) a6f9dae1
+	function changeOwner(address newOwner) public {
 		require(false, stub_error);
-		owner;
-		index;
-		dummy;
-		return 0;
-	}
-
-	// @notice Count RFTs tracked by this contract
-	// @return A count of valid RFTs tracked by this contract, where each one of
-	//  them has an assigned and queryable owner not equal to the zero address
-	//
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() public view returns (uint256) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-}
-
-// Selector: 7c3bef89
-contract ERC721UniqueExtensions is Dummy, ERC165 {
-	// @notice Transfer ownership of an RFT
-	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
-	//  is the zero address. Throws if `tokenId` is not a valid RFT.
-	//  Throws if RFT pieces have multiple owners.
-	// @param to The new owner
-	// @param tokenId The RFT to transfer
-	// @param _value Not used for an RFT
-	//
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 tokenId) public {
-		require(false, stub_error);
-		to;
-		tokenId;
-		dummy = 0;
-	}
-
-	// @notice Burns a specific ERC721 token.
-	// @dev Throws unless `msg.sender` is the current owner or an authorized
-	//  operator for this RFT. Throws if `from` is not the current owner. Throws
-	//  if `to` is the zero address. Throws if `tokenId` is not a valid RFT.
-	//  Throws if RFT pieces have multiple owners.
-	// @param from The current owner of the RFT
-	// @param tokenId The RFT to transfer
-	// @param _value Not used for an RFT
-	//
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 tokenId) public {
-		require(false, stub_error);
-		from;
-		tokenId;
-		dummy = 0;
-	}
-
-	// @notice Returns next free RFT ID.
-	//
-	// Selector: nextTokenId() 75794a3c
-	function nextTokenId() public view returns (uint256) {
-		require(false, stub_error);
-		dummy;
-		return 0;
-	}
-
-	// @notice Function to mint multiple tokens.
-	// @dev `tokenIds` should be an array of consecutive numbers and first number
-	//  should be obtained with `nextTokenId` method
-	// @param to The new owner
-	// @param tokenIds IDs of the minted RFTs
-	//
-	// Selector: mintBulk(address,uint256[]) 44a9945e
-	function mintBulk(address to, uint256[] memory tokenIds)
-		public
-		returns (bool)
-	{
-		require(false, stub_error);
-		to;
-		tokenIds;
-		dummy = 0;
-		return false;
-	}
-
-	// @notice Function to mint multiple tokens with the given tokenUris.
-	// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive
-	//  numbers and first number should be obtained with `nextTokenId` method
-	// @param to The new owner
-	// @param tokens array of pairs of token ID and token URI for minted tokens
-	//
-	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
-	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
-		public
-		returns (bool)
-	{
-		require(false, stub_error);
-		to;
-		tokens;
+		newOwner;
 		dummy = 0;
-		return false;
-	}
-
-	// Returns EVM address for refungible token
-	//
-	// @param token ID of the token
-	//
-	// Selector: tokenContractAddress(uint256) ab76fac6
-	function tokenContractAddress(uint256 token) public view returns (address) {
-		require(false, stub_error);
-		token;
-		dummy;
-		return 0x0000000000000000000000000000000000000000;
 	}
 }
 

--- a/tests/src/eth/api/UniqueFungible.sol
+++ b/tests/src/eth/api/UniqueFungible.sol
@@ -22,7 +22,50 @@
 	);
 }
 
-// Selector: 6cf113cd
+// Selector: 79cc6790
+interface ERC20UniqueExtensions is Dummy, ERC165 {
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 amount) external returns (bool);
+}
+
+// Selector: 942e8b22
+interface ERC20 is Dummy, ERC165, ERC20Events {
+	// Selector: name() 06fdde03
+	function name() external view returns (string memory);
+
+	// Selector: symbol() 95d89b41
+	function symbol() external view returns (string memory);
+
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() external view returns (uint256);
+
+	// Selector: decimals() 313ce567
+	function decimals() external view returns (uint8);
+
+	// Selector: balanceOf(address) 70a08231
+	function balanceOf(address owner) external view returns (uint256);
+
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 amount) external returns (bool);
+
+	// Selector: transferFrom(address,address,uint256) 23b872dd
+	function transferFrom(
+		address from,
+		address to,
+		uint256 amount
+	) external returns (bool);
+
+	// Selector: approve(address,uint256) 095ea7b3
+	function approve(address spender, uint256 amount) external returns (bool);
+
+	// Selector: allowance(address,address) dd62ed3e
+	function allowance(address owner, address spender)
+		external
+		view
+		returns (uint256);
+}
+
+// Selector: ca08c92c
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -183,49 +226,14 @@
 	//
 	// Selector: uniqueCollectionType() d34b55b8
 	function uniqueCollectionType() external returns (string memory);
-}
 
-// Selector: 79cc6790
-interface ERC20UniqueExtensions is Dummy, ERC165 {
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 amount) external returns (bool);
-}
-
-// Selector: 942e8b22
-interface ERC20 is Dummy, ERC165, ERC20Events {
-	// Selector: name() 06fdde03
-	function name() external view returns (string memory);
-
-	// Selector: symbol() 95d89b41
-	function symbol() external view returns (string memory);
-
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() external view returns (uint256);
-
-	// Selector: decimals() 313ce567
-	function decimals() external view returns (uint8);
-
-	// Selector: balanceOf(address) 70a08231
-	function balanceOf(address owner) external view returns (uint256);
-
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 amount) external returns (bool);
-
-	// Selector: transferFrom(address,address,uint256) 23b872dd
-	function transferFrom(
-		address from,
-		address to,
-		uint256 amount
-	) external returns (bool);
-
-	// Selector: approve(address,uint256) 095ea7b3
-	function approve(address spender, uint256 amount) external returns (bool);
-
-	// Selector: allowance(address,address) dd62ed3e
-	function allowance(address owner, address spender)
-		external
-		view
-		returns (uint256);
+	// Changes collection owner
+	//
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner
+	//
+	// Selector: changeOwner(address) a6f9dae1
+	function changeOwner(address newOwner) external;
 }
 
 interface UniqueFungible is

--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -250,7 +250,33 @@
 	function finishMinting() external returns (bool);
 }
 
-// Selector: 6cf113cd
+// Selector: 780e9d63
+interface ERC721Enumerable is Dummy, ERC165 {
+	// @notice Enumerate valid NFTs
+	// @param index A counter less than `totalSupply()`
+	// @return The token identifier for the `index`th NFT,
+	//  (sort order not specified)
+	//
+	// Selector: tokenByIndex(uint256) 4f6ccce7
+	function tokenByIndex(uint256 index) external view returns (uint256);
+
+	// @dev Not implemented
+	//
+	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
+	function tokenOfOwnerByIndex(address owner, uint256 index)
+		external
+		view
+		returns (uint256);
+
+	// @notice Count NFTs tracked by this contract
+	// @return A count of valid NFTs tracked by this contract, where each one of
+	//  them has an assigned and queryable owner not equal to the zero address
+	//
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() external view returns (uint256);
+}
+
+// Selector: ca08c92c
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -411,32 +437,14 @@
 	//
 	// Selector: uniqueCollectionType() d34b55b8
 	function uniqueCollectionType() external returns (string memory);
-}
 
-// Selector: 780e9d63
-interface ERC721Enumerable is Dummy, ERC165 {
-	// @notice Enumerate valid NFTs
-	// @param index A counter less than `totalSupply()`
-	// @return The token identifier for the `index`th NFT,
-	//  (sort order not specified)
+	// Changes collection owner
 	//
-	// Selector: tokenByIndex(uint256) 4f6ccce7
-	function tokenByIndex(uint256 index) external view returns (uint256);
-
-	// @dev Not implemented
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner
 	//
-	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
-	function tokenOfOwnerByIndex(address owner, uint256 index)
-		external
-		view
-		returns (uint256);
-
-	// @notice Count NFTs tracked by this contract
-	// @return A count of valid NFTs tracked by this contract, where each one of
-	//  them has an assigned and queryable owner not equal to the zero address
-	//
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() external view returns (uint256);
+	// Selector: changeOwner(address) a6f9dae1
+	function changeOwner(address newOwner) external;
 }
 
 // Selector: d74d154f

--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -248,7 +248,96 @@
 	function finishMinting() external returns (bool);
 }
 
-// Selector: 6cf113cd
+// Selector: 780e9d63
+interface ERC721Enumerable is Dummy, ERC165 {
+	// @notice Enumerate valid RFTs
+	// @param index A counter less than `totalSupply()`
+	// @return The token identifier for the `index`th NFT,
+	//  (sort order not specified)
+	//
+	// Selector: tokenByIndex(uint256) 4f6ccce7
+	function tokenByIndex(uint256 index) external view returns (uint256);
+
+	// Not implemented
+	//
+	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
+	function tokenOfOwnerByIndex(address owner, uint256 index)
+		external
+		view
+		returns (uint256);
+
+	// @notice Count RFTs tracked by this contract
+	// @return A count of valid RFTs tracked by this contract, where each one of
+	//  them has an assigned and queryable owner not equal to the zero address
+	//
+	// Selector: totalSupply() 18160ddd
+	function totalSupply() external view returns (uint256);
+}
+
+// Selector: 7c3bef89
+interface ERC721UniqueExtensions is Dummy, ERC165 {
+	// @notice Transfer ownership of an RFT
+	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
+	//  is the zero address. Throws if `tokenId` is not a valid RFT.
+	//  Throws if RFT pieces have multiple owners.
+	// @param to The new owner
+	// @param tokenId The RFT to transfer
+	// @param _value Not used for an RFT
+	//
+	// Selector: transfer(address,uint256) a9059cbb
+	function transfer(address to, uint256 tokenId) external;
+
+	// @notice Burns a specific ERC721 token.
+	// @dev Throws unless `msg.sender` is the current owner or an authorized
+	//  operator for this RFT. Throws if `from` is not the current owner. Throws
+	//  if `to` is the zero address. Throws if `tokenId` is not a valid RFT.
+	//  Throws if RFT pieces have multiple owners.
+	// @param from The current owner of the RFT
+	// @param tokenId The RFT to transfer
+	// @param _value Not used for an RFT
+	//
+	// Selector: burnFrom(address,uint256) 79cc6790
+	function burnFrom(address from, uint256 tokenId) external;
+
+	// @notice Returns next free RFT ID.
+	//
+	// Selector: nextTokenId() 75794a3c
+	function nextTokenId() external view returns (uint256);
+
+	// @notice Function to mint multiple tokens.
+	// @dev `tokenIds` should be an array of consecutive numbers and first number
+	//  should be obtained with `nextTokenId` method
+	// @param to The new owner
+	// @param tokenIds IDs of the minted RFTs
+	//
+	// Selector: mintBulk(address,uint256[]) 44a9945e
+	function mintBulk(address to, uint256[] memory tokenIds)
+		external
+		returns (bool);
+
+	// @notice Function to mint multiple tokens with the given tokenUris.
+	// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive
+	//  numbers and first number should be obtained with `nextTokenId` method
+	// @param to The new owner
+	// @param tokens array of pairs of token ID and token URI for minted tokens
+	//
+	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
+	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
+		external
+		returns (bool);
+
+	// Returns EVM address for refungible token
+	//
+	// @param token ID of the token
+	//
+	// Selector: tokenContractAddress(uint256) ab76fac6
+	function tokenContractAddress(uint256 token)
+		external
+		view
+		returns (address);
+}
+
+// Selector: ca08c92c
 interface Collection is Dummy, ERC165 {
 	// Set collection property.
 	//
@@ -409,95 +498,14 @@
 	//
 	// Selector: uniqueCollectionType() d34b55b8
 	function uniqueCollectionType() external returns (string memory);
-}
-
-// Selector: 780e9d63
-interface ERC721Enumerable is Dummy, ERC165 {
-	// @notice Enumerate valid RFTs
-	// @param index A counter less than `totalSupply()`
-	// @return The token identifier for the `index`th NFT,
-	//  (sort order not specified)
-	//
-	// Selector: tokenByIndex(uint256) 4f6ccce7
-	function tokenByIndex(uint256 index) external view returns (uint256);
-
-	// Not implemented
-	//
-	// Selector: tokenOfOwnerByIndex(address,uint256) 2f745c59
-	function tokenOfOwnerByIndex(address owner, uint256 index)
-		external
-		view
-		returns (uint256);
-
-	// @notice Count RFTs tracked by this contract
-	// @return A count of valid RFTs tracked by this contract, where each one of
-	//  them has an assigned and queryable owner not equal to the zero address
-	//
-	// Selector: totalSupply() 18160ddd
-	function totalSupply() external view returns (uint256);
-}
 
-// Selector: 7c3bef89
-interface ERC721UniqueExtensions is Dummy, ERC165 {
-	// @notice Transfer ownership of an RFT
-	// @dev Throws unless `msg.sender` is the current owner. Throws if `to`
-	//  is the zero address. Throws if `tokenId` is not a valid RFT.
-	//  Throws if RFT pieces have multiple owners.
-	// @param to The new owner
-	// @param tokenId The RFT to transfer
-	// @param _value Not used for an RFT
-	//
-	// Selector: transfer(address,uint256) a9059cbb
-	function transfer(address to, uint256 tokenId) external;
-
-	// @notice Burns a specific ERC721 token.
-	// @dev Throws unless `msg.sender` is the current owner or an authorized
-	//  operator for this RFT. Throws if `from` is not the current owner. Throws
-	//  if `to` is the zero address. Throws if `tokenId` is not a valid RFT.
-	//  Throws if RFT pieces have multiple owners.
-	// @param from The current owner of the RFT
-	// @param tokenId The RFT to transfer
-	// @param _value Not used for an RFT
-	//
-	// Selector: burnFrom(address,uint256) 79cc6790
-	function burnFrom(address from, uint256 tokenId) external;
-
-	// @notice Returns next free RFT ID.
-	//
-	// Selector: nextTokenId() 75794a3c
-	function nextTokenId() external view returns (uint256);
-
-	// @notice Function to mint multiple tokens.
-	// @dev `tokenIds` should be an array of consecutive numbers and first number
-	//  should be obtained with `nextTokenId` method
-	// @param to The new owner
-	// @param tokenIds IDs of the minted RFTs
-	//
-	// Selector: mintBulk(address,uint256[]) 44a9945e
-	function mintBulk(address to, uint256[] memory tokenIds)
-		external
-		returns (bool);
-
-	// @notice Function to mint multiple tokens with the given tokenUris.
-	// @dev `tokenIds` is array of pairs of token ID and token URI. Token IDs should be consecutive
-	//  numbers and first number should be obtained with `nextTokenId` method
-	// @param to The new owner
-	// @param tokens array of pairs of token ID and token URI for minted tokens
+	// Changes collection owner
 	//
-	// Selector: mintBulkWithTokenURI(address,(uint256,string)[]) 36543006
-	function mintBulkWithTokenURI(address to, Tuple0[] memory tokens)
-		external
-		returns (bool);
-
-	// Returns EVM address for refungible token
-	//
-	// @param token ID of the token
+	// @dev Owner can be changed only by current owner
+	// @param newOwner new owner
 	//
-	// Selector: tokenContractAddress(uint256) ab76fac6
-	function tokenContractAddress(uint256 token)
-		external
-		view
-		returns (address);
+	// Selector: changeOwner(address) a6f9dae1
+	function changeOwner(address newOwner) external;
 }
 
 interface UniqueRefungible is

--- a/tests/src/eth/collectionAdmin.test.ts
+++ b/tests/src/eth/collectionAdmin.test.ts
@@ -15,6 +15,7 @@
 
 import {expect} from 'chai';
 import privateKey from '../substrate/privateKey';
+import { UNIQUE } from '../util/helpers';
 import {
   createEthAccount,
   createEthAccountWithBalance, 
@@ -22,6 +23,7 @@
   evmCollectionHelpers, 
   getCollectionAddressFromResult, 
   itWeb3,
+  recordEthFee,
 } from './util/helpers';
 
 describe('Add collection admins', () => {
@@ -309,4 +311,51 @@
     expect(adminList[0].asSubstrate.toString().toLocaleLowerCase())
       .to.be.eq(adminSub.address.toLocaleLowerCase());
   });
+});
+
+describe('Change owner tests', () => {
+  itWeb3('Change owner', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const newOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const collectionHelper = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelper.methods
+      .createNonfungibleCollection('A', 'B', 'C')
+      .send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+  
+    await collectionEvm.methods.changeOwner(newOwner).send();
+  
+    expect(await collectionEvm.methods.verifyOwnerOrAdmin(owner).call()).to.be.false;
+    expect(await collectionEvm.methods.verifyOwnerOrAdmin(newOwner).call()).to.be.true;
+  });
+
+  itWeb3('change owner call fee', async ({web3, api, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const newOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const collectionHelper = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelper.methods
+      .createNonfungibleCollection('A', 'B', 'C')
+      .send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+
+    const cost = await recordEthFee(api, owner, () => collectionEvm.methods.changeOwner(newOwner).send());
+    expect(cost < BigInt(0.2 * Number(UNIQUE)));
+    expect(cost > 0);
+  });
+
+  itWeb3('(!negative tests!) call changeOwner by not owner', async ({api, web3, privateKeyWrapper}) => {
+    const owner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const newOwner = await createEthAccountWithBalance(api, web3, privateKeyWrapper);
+    const collectionHelper = evmCollectionHelpers(web3, owner);
+    const result = await collectionHelper.methods
+      .createNonfungibleCollection('A', 'B', 'C')
+      .send();
+    const {collectionIdAddress} = await getCollectionAddressFromResult(api, result);
+    const collectionEvm = evmCollection(web3, owner, collectionIdAddress);
+  
+    await expect(collectionEvm.methods.changeOwner(newOwner).send({from: newOwner})).to.be.rejected;
+    expect(await collectionEvm.methods.verifyOwnerOrAdmin(newOwner).call()).to.be.false;
+  });
 });
\ No newline at end of file

--- a/tests/src/eth/fungibleAbi.json
+++ b/tests/src/eth/fungibleAbi.json
@@ -116,6 +116,15 @@
     "type": "function"
   },
   {
+    "inputs": [
+      { "internalType": "address", "name": "newOwner", "type": "address" }
+    ],
+    "name": "changeOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
     "inputs": [{ "internalType": "string", "name": "key", "type": "string" }],
     "name": "collectionProperty",
     "outputs": [{ "internalType": "bytes", "name": "", "type": "bytes" }],

--- a/tests/src/eth/nonFungibleAbi.json
+++ b/tests/src/eth/nonFungibleAbi.json
@@ -146,6 +146,15 @@
     "type": "function"
   },
   {
+    "inputs": [
+      { "internalType": "address", "name": "newOwner", "type": "address" }
+    ],
+    "name": "changeOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
     "inputs": [{ "internalType": "string", "name": "key", "type": "string" }],
     "name": "collectionProperty",
     "outputs": [{ "internalType": "bytes", "name": "", "type": "bytes" }],

--- a/tests/src/eth/reFungibleAbi.json
+++ b/tests/src/eth/reFungibleAbi.json
@@ -146,6 +146,15 @@
     "type": "function"
   },
   {
+    "inputs": [
+      { "internalType": "address", "name": "newOwner", "type": "address" }
+    ],
+    "name": "changeOwner",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
     "inputs": [{ "internalType": "string", "name": "key", "type": "string" }],
     "name": "collectionProperty",
     "outputs": [{ "internalType": "bytes", "name": "", "type": "bytes" }],