git.delta.rocks / unique-network / refs/commits / 762c5a79597b

difftreelog

feat(rpc) token children

Fahrrader2022-06-03parent: #fb4beb0.patch.diff
in: master

9 files changed

modifiedclient/rpc/src/lib.rsdiffbeforeafterboth
--- a/client/rpc/src/lib.rs
+++ b/client/rpc/src/lib.rs
@@ -21,7 +21,7 @@
 use jsonrpc_derive::rpc;
 use up_data_structs::{
 	RpcCollection, CollectionId, CollectionStats, CollectionLimits, TokenId, Property,
-	PropertyKeyPermission, TokenData,
+	PropertyKeyPermission, TokenData, TokenChild,
 };
 use sp_api::{BlockId, BlockT, ProvideRuntimeApi, ApiExt};
 use sp_blockchain::HeaderBackend;
@@ -72,6 +72,13 @@
 		token: TokenId,
 		at: Option<BlockHash>,
 	) -> Result<Option<CrossAccountId>>;
+	#[rpc(name = "unique_tokenChildren")]
+	fn token_children(
+		&self,
+		collection: CollectionId,
+		token: TokenId,
+		at: Option<BlockHash>,
+	) -> Result<Vec<TokenChild>>;
 
 	#[rpc(name = "unique_collectionProperties")]
 	fn collection_properties(
@@ -411,6 +418,7 @@
 	pass_method!(
 		topmost_token_owner(collection: CollectionId, token: TokenId) -> Option<CrossAccountId>, unique_api
 	);
+	pass_method!(token_children(collection: CollectionId, token: TokenId) -> Vec<TokenChild>, unique_api);
 	pass_method!(total_supply(collection: CollectionId) -> u32, unique_api);
 	pass_method!(account_balance(collection: CollectionId, account: CrossAccountId) -> u32, unique_api);
 	pass_method!(balance(collection: CollectionId, account: CrossAccountId, token: TokenId) -> String => |v| v.to_string(), unique_api);
modifiedpallets/common/src/lib.rsdiffbeforeafterboth
--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -40,6 +40,7 @@
 	MAX_TOKEN_PREFIX_LENGTH,
 	COLLECTION_ADMINS_LIMIT,
 	TokenId,
+	TokenChild,
 	CollectionStats,
 	MAX_TOKEN_OWNERSHIP,
 	CollectionMode,
@@ -502,6 +503,7 @@
 			CollectionStats,
 			CollectionId,
 			TokenId,
+			TokenChild,
 			PhantomType<(
 				TokenData<T::CrossAccountId>,
 				RpcCollection<T::AccountId>,
modifiedpallets/nonfungible/src/lib.rsdiffbeforeafterboth
--- a/pallets/nonfungible/src/lib.rs
+++ b/pallets/nonfungible/src/lib.rs
@@ -22,7 +22,7 @@
 use up_data_structs::{
 	AccessMode, CollectionId, CustomDataLimit, TokenId, CreateCollectionData, CreateNftExData,
 	mapping::TokenAddressMapping, NestingRule, budget::Budget, Property, PropertyPermission,
-	PropertyKey, PropertyKeyPermission, Properties, PropertyScope, TrySetProperty,
+	PropertyKey, PropertyKeyPermission, Properties, PropertyScope, TrySetProperty, TokenChild,
 };
 use pallet_evm::{account::CrossAccountId, Pallet as PalletEvm};
 use pallet_common::{
@@ -988,6 +988,15 @@
 			.is_some()
 	}
 
+	pub fn token_children_ids(collection_id: CollectionId, token_id: TokenId) -> Vec<TokenChild> {
+		<TokenChildren<T>>::iter_prefix((collection_id, token_id))
+			.map(|((child_collection_id, child_id), _)| TokenChild {
+				collection: child_collection_id,
+				token: child_id,
+			})
+			.collect()
+	}
+
 	/// Delegated to `create_multiple_items`
 	pub fn create_item(
 		collection: &NonfungibleHandle<T>,
modifiedprimitives/data-structs/src/lib.rsdiffbeforeafterboth
--- a/primitives/data-structs/src/lib.rs
+++ b/primitives/data-structs/src/lib.rs
@@ -585,6 +585,14 @@
 
 #[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]
 #[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
+// todo possibly rename to be used generally as an address pair
+pub struct TokenChild {
+	pub token: TokenId,
+	pub collection: CollectionId,
+}
+
+#[derive(Encode, Decode, MaxEncodedLen, PartialEq, Clone, Debug, TypeInfo)]
+#[cfg_attr(feature = "serde1", derive(Serialize, Deserialize))]
 pub struct CollectionStats {
 	pub created: u32,
 	pub destroyed: u32,
modifiedprimitives/rpc/src/lib.rsdiffbeforeafterboth
--- a/primitives/rpc/src/lib.rs
+++ b/primitives/rpc/src/lib.rs
@@ -18,7 +18,7 @@
 
 use up_data_structs::{
 	CollectionId, TokenId, RpcCollection, CollectionStats, CollectionLimits, Property,
-	PropertyKeyPermission, TokenData,
+	PropertyKeyPermission, TokenData, TokenChild,
 };
 use sp_std::vec::Vec;
 use codec::Decode;
@@ -41,6 +41,7 @@
 
 		fn token_owner(collection: CollectionId, token: TokenId) -> Result<Option<CrossAccountId>>;
 		fn topmost_token_owner(collection: CollectionId, token: TokenId) -> Result<Option<CrossAccountId>>;
+		fn token_children(collection: CollectionId, token: TokenId) -> Result<Vec<TokenChild>>;
 
 		fn collection_properties(collection: CollectionId, properties: Option<Vec<Vec<u8>>>) -> Result<Vec<Property>>;
 
modifiedruntime/common/src/runtime_apis.rsdiffbeforeafterboth
--- a/runtime/common/src/runtime_apis.rs
+++ b/runtime/common/src/runtime_apis.rs
@@ -29,7 +29,9 @@
 
                     Ok(Some(<pallet_structure::Pallet<Runtime>>::find_topmost_owner(collection, token, &budget)?))
                 }
-
+                fn token_children(collection: CollectionId, token: TokenId) -> Result<Vec<TokenChild>, DispatchError> {
+                    Ok(<pallet_nonfungible::Pallet<Runtime>>::token_children_ids(collection, token))
+                }
                 fn collection_properties(
                     collection: CollectionId,
                     keys: Option<Vec<Vec<u8>>>
modifiedtests/src/interfaces/unique/definitions.tsdiffbeforeafterboth
--- a/tests/src/interfaces/unique/definitions.ts
+++ b/tests/src/interfaces/unique/definitions.ts
@@ -50,6 +50,7 @@
     allowance: fun('Get allowed amount', [collectionParam, crossAccountParam('sender'), crossAccountParam('spender'), tokenParam], 'u128'),
     tokenOwner: fun('Get token owner', [collectionParam, tokenParam], `Option<${CROSS_ACCOUNT_ID_TYPE}>`),
     topmostTokenOwner: fun('Get token owner, in case of nested token - find parent recursive', [collectionParam, tokenParam], `Option<${CROSS_ACCOUNT_ID_TYPE}>`),
+    tokenChildren: fun('Get tokens nested directly into the token', [collectionParam, tokenParam], 'Vec<UpDataStructsTokenChild>'),
     constMetadata: fun('Get token constant metadata', [collectionParam, tokenParam], 'Vec<u8>'),
     variableMetadata: fun('Get token variable metadata', [collectionParam, tokenParam], 'Vec<u8>'),
     collectionProperties: fun(
modifiedtests/src/nesting/nest.test.tsdiffbeforeafterboth
before · tests/src/nesting/nest.test.ts
1import {expect} from 'chai';2import {tokenIdToAddress} from '../eth/util/helpers';3import privateKey from '../substrate/privateKey';4import usingApi, {executeTransaction} from '../substrate/substrate-api';5import {6  addToAllowListExpectSuccess,7  createCollectionExpectSuccess,8  createItemExpectSuccess,9  enableAllowListExpectSuccess,10  enablePublicMintingExpectSuccess,11  getTokenOwner,12  getTopmostTokenOwner,13  normalizeAccountId,14  setCollectionPermissionsExpectSuccess,15  transferExpectFailure,16  transferExpectSuccess,17  transferFromExpectSuccess,18} from '../util/helpers';19import {IKeyringPair} from '@polkadot/types/types';2021let alice: IKeyringPair;22let bob: IKeyringPair;2324describe('Integration Test: Nesting', () => {25  before(async () => {26    await usingApi(async () => {27      alice = privateKey('//Alice');28      bob = privateKey('//Bob');29    });30  });3132  it('Performs the full suite: bundles a token, transfers, and unnests', async () => {33    await usingApi(async api => {34      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});35      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});36      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');3738      // Create a nested token39      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});40      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});41      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});4243      // Create a token to be nested44      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');4546      // Nest47      await transferExpectSuccess(collection, newToken, alice, {Ethereum: tokenIdToAddress(collection, targetToken)});48      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});49      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});5051      // Move bundle to different user52      await transferExpectSuccess(collection, targetToken, alice, {Substrate: bob.address});53      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: bob.address});54      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});5556      // Unnest57      await transferFromExpectSuccess(collection, newToken, bob, {Ethereum: tokenIdToAddress(collection, targetToken)}, {Substrate: bob.address});58      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: bob.address});59    });60  });6162  it('Transfers an already bundled token', async () => {63    await usingApi(async api => {64      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});65      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});6667      const tokenA = await createItemExpectSuccess(alice, collection, 'NFT');68      const tokenB = await createItemExpectSuccess(alice, collection, 'NFT');6970      // Create a nested token71      const tokenC = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, tokenA)});72      expect(await getTopmostTokenOwner(api, collection, tokenC)).to.be.deep.equal({Substrate: alice.address});73      expect(await getTokenOwner(api, collection, tokenC)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, tokenA).toLowerCase()});7475      // Transfer the nested token to another token76      await expect(executeTransaction(77        api,78        alice,79        api.tx.unique.transferFrom(80          normalizeAccountId({Ethereum: tokenIdToAddress(collection, tokenA)}), 81          normalizeAccountId({Ethereum: tokenIdToAddress(collection, tokenB)}), 82          collection,83          tokenC,84          1,85        ),86      )).to.not.be.rejected;87      expect(await getTopmostTokenOwner(api, collection, tokenC)).to.be.deep.equal({Substrate: alice.address});88      expect(await getTokenOwner(api, collection, tokenC)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, tokenB).toLowerCase()});89    });90  });9192  // ---------- Non-Fungible ----------9394  it('NFT: allows an Owner to nest/unnest their token', async () => {95    await usingApi(async api => {96      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});97      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});98      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');99100      // Create a nested token101      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});102      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});103      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});104105      // Create a token to be nested and nest106      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');107      await transferExpectSuccess(collection, newToken, alice, {Ethereum: tokenIdToAddress(collection, targetToken)});108      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});109      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});110    });111  });112113  it('NFT: allows an Owner to nest/unnest their token (Restricted nesting)', async () => {114    await usingApi(async api => {115      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});116      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {OwnerRestricted:[collection]}});117      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');118119      // Create a nested token120      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});121      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});122      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});123124      // Create a token to be nested and nest125      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');126      await transferExpectSuccess(collection, newToken, alice, {Ethereum: tokenIdToAddress(collection, targetToken)});127      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});128      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});129    });130  });131132  // ---------- Fungible ----------133134  it('Fungible: allows an Owner to nest/unnest their token', async () => {135    await usingApi(async api => {136      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});137      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Owner'});138      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});139      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};140141      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});142143      // Create a nested token144      await expect(executeTransaction(api, alice, api.tx.unique.createItem(145        collectionFT,146        targetAddress,147        {Fungible: {Value: 10}},148      ))).to.not.be.rejected;149150      // Nest a new token151      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');152      await transferExpectSuccess(collectionFT, newToken, alice, targetAddress, 1, 'Fungible');153    });154  });155156  it('Fungible: allows an Owner to nest/unnest their token (Restricted nesting)', async () => {157    await usingApi(async api => {158      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});159      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});160      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};161162      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});163164      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted: [collectionFT]}});165166      // Create a nested token167      await expect(executeTransaction(api, alice, api.tx.unique.createItem(168        collectionFT,169        targetAddress,170        {Fungible: {Value: 10}},171      ))).to.not.be.rejected;172173      // Nest a new token174      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');175      await transferExpectSuccess(collectionFT, newToken, alice, targetAddress, 1, 'Fungible');176    });177  });178179  // ---------- Re-Fungible ----------180181  it('ReFungible: allows an Owner to nest/unnest their token', async () => {182    await usingApi(async api => {183      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});184      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Owner'});185      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});186      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};187188      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});189190      // Create a nested token191      await expect(executeTransaction(api, alice, api.tx.unique.createItem(192        collectionRFT,193        targetAddress,194        {ReFungible: {const_data: [], pieces: 100}},195      ))).to.not.be.rejected;196197      // Nest a new token198      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');199      await transferExpectSuccess(collectionRFT, newToken, alice, targetAddress, 100, 'ReFungible');200    });201  });202203  it('ReFungible: allows an Owner to nest/unnest their token (Restricted nesting)', async () => {204    await usingApi(async api => {205      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});206      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});207      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};208209      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});210211      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[collectionRFT]}});212213      // Create a nested token214      await expect(executeTransaction(api, alice, api.tx.unique.createItem(215        collectionRFT,216        targetAddress,217        {ReFungible: {const_data: [], pieces: 100}},218      ))).to.not.be.rejected;219220      // Nest a new token221      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');222      await transferExpectSuccess(collectionRFT, newToken, alice, targetAddress, 100, 'ReFungible');223    });224  });225});226227describe('Negative Test: Nesting', async() => {228  before(async () => {229    await usingApi(async () => {230      alice = privateKey('//Alice');231      bob = privateKey('//Bob');232    });233  });234235  it('Disallows excessive token nesting', async () => {236    await usingApi(async api => {237      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});238      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});239      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');240241      const maxNestingLevel = 5;242      let prevToken = targetToken;243244      // Create a nested-token matryoshka245      for (let i = 0; i < maxNestingLevel; i++) {246        const nestedToken = await createItemExpectSuccess(247          alice,248          collection,249          'NFT',250          {Ethereum: tokenIdToAddress(collection, prevToken)},251        );252253        prevToken = nestedToken;254      }255256      // The nesting depth is limited by `maxNestingLevel`257      await expect(executeTransaction(api, alice, api.tx.unique.createItem(258        collection,259        {Ethereum: tokenIdToAddress(collection, prevToken)},260          {nft: {const_data: [], variable_data: []}} as any,261      )), 'while creating nested token').to.be.rejectedWith(/^structure\.DepthLimit$/);262263      expect(await getTopmostTokenOwner(api, collection, prevToken)).to.be.deep.equal({Substrate: alice.address});264    });265  });266267  // ---------- Non-Fungible ----------268269  it('NFT: disallows to nest token if nesting is disabled', async () => {270    await usingApi(async api => {271      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});272      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Disabled'});273      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');274275      // Try to create a nested token276      await expect(executeTransaction(api, alice, api.tx.unique.createItem(277        collection,278        {Ethereum: tokenIdToAddress(collection, targetToken)},279          {nft: {const_data: [], variable_data: []}} as any,280      )), 'while creating nested token').to.be.rejectedWith(/^common\.NestingIsDisabled$/);281282      // Create a token to be nested283      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');284      // Try to nest285      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.NestingIsDisabled/);286      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});287      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});288    });289  });290291  it('NFT: disallows a non-Owner to nest someone else\'s token', async () => {292    await usingApi(async api => {293      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});294      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});295296      await addToAllowListExpectSuccess(alice, collection, bob.address);297      await enableAllowListExpectSuccess(alice, collection);298      await enablePublicMintingExpectSuccess(alice, collection);299300      // Create a token to attempt to be nested into301      const targetToken = await createItemExpectSuccess(bob, collection, 'NFT');302303      // Try to create a nested token in the wrong collection304      await expect(executeTransaction(api, alice, api.tx.unique.createItem(305        collection,306        {Ethereum: tokenIdToAddress(collection, targetToken)},307          {nft: {const_data: [], variable_data: []}} as any,308      )), 'while creating nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);309310      // Try to create and nest a token in the wrong collection311      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');312      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.AddressNotInAllowlist/);313      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});314    });315  });316317  it('NFT: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async () => {318    await usingApi(async api => {319      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});320      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {OwnerRestricted:[collection]}});321322      await addToAllowListExpectSuccess(alice, collection, bob.address);323      await enableAllowListExpectSuccess(alice, collection);324      await enablePublicMintingExpectSuccess(alice, collection);325326      // Create a token to attempt to be nested into327      const targetToken = await createItemExpectSuccess(bob, collection, 'NFT');328329      // Try to create a nested token in the wrong collection330      await expect(executeTransaction(api, alice, api.tx.unique.createItem(331        collection,332        {Ethereum: tokenIdToAddress(collection, targetToken)},333          {nft: {const_data: [], variable_data: []}} as any,334      )), 'while creating nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);335336      // Try to create and nest a token in the wrong collection337      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');338      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.AddressNotInAllowlist/);339      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});340    });341  });342343  it('NFT: disallows to nest token in an unlisted collection', async () => {344    await usingApi(async api => {345      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});346      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {OwnerRestricted:[]}});347348      // Create a token to attempt to be nested into349      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');350351      // Try to create a nested token in the wrong collection352      await expect(executeTransaction(api, alice, api.tx.unique.createItem(353        collection,354        {Ethereum: tokenIdToAddress(collection, targetToken)},355          {nft: {const_data: [], variable_data: []}} as any,356      )), 'while creating nested token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);357358      // Try to create and nest a token in the wrong collection359      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');360      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);361      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});362    });363  });364365  // ---------- Fungible ----------366367  it('Fungible: disallows to nest token if nesting is disabled', async () => {368    await usingApi(async api => {369      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});370      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Disabled'});371      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');372      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};373374      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});375376      // Try to create a nested token377      await expect(executeTransaction(api, alice, api.tx.unique.createItem(378        collectionFT,379        targetAddress,380        {Fungible: {Value: 10}},381      )), 'while creating nested token').to.be.rejectedWith(/^common\.NestingIsDisabled$/);382383      // Create a token to be nested384      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');385      // Try to nest386      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.NestingIsDisabled/);387388      // Create another token to be nested389      const newToken2 = await createItemExpectSuccess(alice, collectionFT, 'Fungible');390      // Try to nest inside a fungible token391      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collectionFT, newToken)}, collectionFT, newToken2, 1)), 'while nesting new token inside fungible').to.be.rejectedWith(/fungible\.FungibleDisallowsNesting/);392    });393  });394395  it('Fungible: disallows a non-Owner to nest someone else\'s token', async () => {396    await usingApi(async api => {397      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});398      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Owner'});399400      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);401      await enableAllowListExpectSuccess(alice, collectionNFT);402      await enablePublicMintingExpectSuccess(alice, collectionNFT);403404      // Create a token to attempt to be nested into405      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');406      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};407408      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});409410      // Try to create a nested token in the wrong collection411      await expect(executeTransaction(api, alice, api.tx.unique.createItem(412        collectionFT,413        targetAddress,414        {Fungible: {Value: 10}},415      )), 'while creating nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);416417      // Try to create and nest a token in the wrong collection418      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');419      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);420    });421  });422423  it('Fungible: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async () => {424    await usingApi(async api => {425      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});426      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);427      await enableAllowListExpectSuccess(alice, collectionNFT);428      await enablePublicMintingExpectSuccess(alice, collectionNFT);429430      // Create a token to attempt to be nested into431      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');432      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};433434      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});435      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[collectionFT]}});436437      // Try to create a nested token in the wrong collection438      await expect(executeTransaction(api, alice, api.tx.unique.createItem(439        collectionFT,440        targetAddress,441        {Fungible: {Value: 10}},442      )), 'while creating nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);443444      // Try to create and nest a token in the wrong collection445      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');446      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);447    });448  });449450  it('Fungible: disallows to nest token in an unlisted collection', async () => {451    await usingApi(async api => {452      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});453      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[]}});454455      // Create a token to attempt to be nested into456      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');457      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};458459      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});460461      // Try to create a nested token in the wrong collection462      await expect(executeTransaction(api, alice, api.tx.unique.createItem(463        collectionFT,464        targetAddress,465        {Fungible: {Value: 10}},466      )), 'while creating a nested token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);467468      // Try to create and nest a token in the wrong collection469      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');470      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);471    });472  });473474  // ---------- Re-Fungible ----------475476  it('ReFungible: disallows to nest token if nesting is disabled', async () => {477    await usingApi(async api => {478      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});479      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Disabled'});480      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');481      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};482483      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});484485      // Create a nested token486      await expect(executeTransaction(api, alice, api.tx.unique.createItem(487        collectionRFT,488        targetAddress,489        {ReFungible: {const_data: [], pieces: 100}},490      )), 'while creating a nested token').to.be.rejectedWith(/^common\.NestingIsDisabled$/);491492      // Create a token to be nested493      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');494      // Try to nest495      await transferExpectFailure(collectionRFT, newToken, alice, targetAddress, 100);496      // Try to nest497      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.NestingIsDisabled/);498499      // Create another token to be nested500      const newToken2 = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');501      // Try to nest inside a fungible token502      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collectionRFT, newToken)}, collectionRFT, newToken2, 1)), 'while nesting new token inside refungible').to.be.rejectedWith(/refungible\.RefungibleDisallowsNesting/);503    });504  });505506  it('ReFungible: disallows a non-Owner to nest someone else\'s token', async () => {507    await usingApi(async api => {508      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});509      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Owner'});510511      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);512      await enableAllowListExpectSuccess(alice, collectionNFT);513      await enablePublicMintingExpectSuccess(alice, collectionNFT);514515      // Create a token to attempt to be nested into516      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');517      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};518519      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});520521      // Try to create a nested token in the wrong collection522      await expect(executeTransaction(api, alice, api.tx.unique.createItem(523        collectionRFT,524        targetAddress,525        {ReFungible: {const_data: [], pieces: 100}},526      )), 'while creating a nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);527528      // Try to create and nest a token in the wrong collection529      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');530      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);531    });532  });533534  it('ReFungible: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async () => {535    await usingApi(async api => {536      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});537      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);538      await enableAllowListExpectSuccess(alice, collectionNFT);539      await enablePublicMintingExpectSuccess(alice, collectionNFT);540541      // Create a token to attempt to be nested into542      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');543      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};544545      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});546      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[collectionRFT]}});547548      // Try to create a nested token in the wrong collection549      await expect(executeTransaction(api, alice, api.tx.unique.createItem(550        collectionRFT,551        targetAddress,552        {ReFungible: {const_data: [], pieces: 100}},553      )), 'while creating a nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);554555      // Try to create and nest a token in the wrong collection556      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');557      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);558    });559  });560561  it('ReFungible: disallows to nest token to an unlisted collection', async () => {562    await usingApi(async api => {563      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});564      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[]}});565566      // Create a token to attempt to be nested into567      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');568      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};569570      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});571572      // Try to create a nested token in the wrong collection573      await expect(executeTransaction(api, alice, api.tx.unique.createItem(574        collectionRFT,575        targetAddress,576        {ReFungible: {const_data: [], pieces: 100}},577      )), 'while creating a nested token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);578579      // Try to create and nest a token in the wrong collection580      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');581      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);582    });583  });584});
after · tests/src/nesting/nest.test.ts
1import {expect} from 'chai';2import {tokenIdToAddress} from '../eth/util/helpers';3import privateKey from '../substrate/privateKey';4import usingApi, {executeTransaction} from '../substrate/substrate-api';5import {6  addToAllowListExpectSuccess,7  createCollectionExpectSuccess,8  createItemExpectSuccess,9  enableAllowListExpectSuccess,10  enablePublicMintingExpectSuccess,11  getTokenChildren,12  getTokenOwner,13  getTopmostTokenOwner,14  normalizeAccountId,15  setCollectionPermissionsExpectSuccess,16  transferExpectFailure,17  transferExpectSuccess,18  transferFromExpectSuccess,19} from '../util/helpers';20import {IKeyringPair} from '@polkadot/types/types';2122let alice: IKeyringPair;23let bob: IKeyringPair;2425describe('Integration Test: Nesting', () => {26  before(async () => {27    await usingApi(async () => {28      alice = privateKey('//Alice');29      bob = privateKey('//Bob');30    });31  });3233  it('Performs the full suite: bundles a token, transfers, and unnests', async () => {34    await usingApi(async api => {35      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});36      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});37      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');3839      // Create a nested token40      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});41      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});42      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});4344      // Create a token to be nested45      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');4647      // Nest48      await transferExpectSuccess(collection, newToken, alice, {Ethereum: tokenIdToAddress(collection, targetToken)});49      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});50      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});5152      // Move bundle to different user53      await transferExpectSuccess(collection, targetToken, alice, {Substrate: bob.address});54      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: bob.address});55      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});5657      // Unnest58      await transferFromExpectSuccess(collection, newToken, bob, {Ethereum: tokenIdToAddress(collection, targetToken)}, {Substrate: bob.address});59      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: bob.address});60    });61  });6263  it('Transfers an already bundled token', async () => {64    await usingApi(async api => {65      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});66      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});6768      const tokenA = await createItemExpectSuccess(alice, collection, 'NFT');69      const tokenB = await createItemExpectSuccess(alice, collection, 'NFT');7071      // Create a nested token72      const tokenC = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, tokenA)});73      expect(await getTopmostTokenOwner(api, collection, tokenC)).to.be.deep.equal({Substrate: alice.address});74      expect(await getTokenOwner(api, collection, tokenC)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, tokenA).toLowerCase()});7576      // Transfer the nested token to another token77      await expect(executeTransaction(78        api,79        alice,80        api.tx.unique.transferFrom(81          normalizeAccountId({Ethereum: tokenIdToAddress(collection, tokenA)}), 82          normalizeAccountId({Ethereum: tokenIdToAddress(collection, tokenB)}), 83          collection,84          tokenC,85          1,86        ),87      )).to.not.be.rejected;88      expect(await getTopmostTokenOwner(api, collection, tokenC)).to.be.deep.equal({Substrate: alice.address});89      expect(await getTokenOwner(api, collection, tokenC)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, tokenB).toLowerCase()});90    });91  });9293  it('Checks token children', async () => {94    await usingApi(async api => {95      const collectionA = await createCollectionExpectSuccess({mode: {type: 'NFT'}});96      await setCollectionPermissionsExpectSuccess(alice, collectionA, {nesting: 'Owner'});97      const collectionB = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});9899      const targetToken = await createItemExpectSuccess(alice, collectionA, 'NFT');100      const targetAddress = {Ethereum: tokenIdToAddress(collectionA, targetToken)};101      let children = await getTokenChildren(api, collectionA, targetToken);102      expect(children.length).to.be.equal(0, 'Children length check at creation');103104      // Create a nested NFT token105      const tokenA = await createItemExpectSuccess(alice, collectionA, 'NFT', targetAddress);106      children = await getTokenChildren(api, collectionA, targetToken);107      expect(children.length).to.be.equal(1, 'Children length check at nesting #1');108      expect(children).to.have.deep.members([109        {token: tokenA, collection: collectionA},110      ], 'Children contents check at nesting #1');111112      // Create then nest113      const tokenB = await createItemExpectSuccess(alice, collectionA, 'NFT');114      await transferExpectSuccess(collectionA, tokenB, alice, targetAddress);115      children = await getTokenChildren(api, collectionA, targetToken);116      expect(children.length).to.be.equal(2, 'Children length check at nesting #2');117      expect(children).to.have.deep.members([118        {token: tokenA, collection: collectionA},119        {token: tokenB, collection: collectionA},120      ], 'Children contents check at nesting #2');121122      // Move token B to a different user outside the nesting tree123      await transferFromExpectSuccess(collectionA, tokenB, alice, targetAddress, bob);124      children = await getTokenChildren(api, collectionA, targetToken);125      expect(children.length).to.be.equal(1, 'Children length check at unnesting');126      expect(children).to.be.have.deep.members([127        {token: tokenA, collection: collectionA},128      ], 'Children contents check at unnesting');129      130      // Create a fungible token in another collection and then nest131      const tokenC = await createItemExpectSuccess(alice, collectionB, 'Fungible');132      await transferExpectSuccess(collectionB, tokenC, alice, targetAddress, 1, 'Fungible');133      children = await getTokenChildren(api, collectionA, targetToken);134      expect(children.length).to.be.equal(2, 'Children length check at nesting #3 (from another collection)');135      expect(children).to.be.have.deep.members([136        {token: tokenA, collection: collectionA},137        {token: tokenC, collection: collectionB},138      ], 'Children contents check at nesting #3 (from another collection)');139140      // Move the fungible token inside token A deeper in the nesting tree141      await transferFromExpectSuccess(collectionB, tokenC, alice, targetAddress, {Ethereum: tokenIdToAddress(collectionA, tokenA)}, 1, 'Fungible');142      children = await getTokenChildren(api, collectionA, targetToken);143      expect(children.length).to.be.equal(1, 'Children length check at deeper nesting');144      expect(children).to.be.have.deep.members([145        {token: tokenA, collection: collectionA},146      ], 'Children contents check at deeper nesting');147    });148  });149150  // ---------- Non-Fungible ----------151152  it('NFT: allows an Owner to nest/unnest their token', async () => {153    await usingApi(async api => {154      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});155      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});156      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');157158      // Create a nested token159      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});160      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});161      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});162163      // Create a token to be nested and nest164      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');165      await transferExpectSuccess(collection, newToken, alice, {Ethereum: tokenIdToAddress(collection, targetToken)});166      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});167      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});168    });169  });170171  it('NFT: allows an Owner to nest/unnest their token (Restricted nesting)', async () => {172    await usingApi(async api => {173      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});174      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {OwnerRestricted:[collection]}});175      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');176177      // Create a nested token178      const nestedToken = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, targetToken)});179      expect(await getTopmostTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Substrate: alice.address});180      expect(await getTokenOwner(api, collection, nestedToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});181182      // Create a token to be nested and nest183      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');184      await transferExpectSuccess(collection, newToken, alice, {Ethereum: tokenIdToAddress(collection, targetToken)});185      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});186      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Ethereum: tokenIdToAddress(collection, targetToken).toLowerCase()});187    });188  });189190  // ---------- Fungible ----------191192  it('Fungible: allows an Owner to nest/unnest their token', async () => {193    await usingApi(async api => {194      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});195      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Owner'});196      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});197      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};198199      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});200201      // Create a nested token202      await expect(executeTransaction(api, alice, api.tx.unique.createItem(203        collectionFT,204        targetAddress,205        {Fungible: {Value: 10}},206      ))).to.not.be.rejected;207208      // Nest a new token209      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');210      await transferExpectSuccess(collectionFT, newToken, alice, targetAddress, 1, 'Fungible');211    });212  });213214  it('Fungible: allows an Owner to nest/unnest their token (Restricted nesting)', async () => {215    await usingApi(async api => {216      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});217      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});218      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};219220      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});221222      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted: [collectionFT]}});223224      // Create a nested token225      await expect(executeTransaction(api, alice, api.tx.unique.createItem(226        collectionFT,227        targetAddress,228        {Fungible: {Value: 10}},229      ))).to.not.be.rejected;230231      // Nest a new token232      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');233      await transferExpectSuccess(collectionFT, newToken, alice, targetAddress, 1, 'Fungible');234    });235  });236237  // ---------- Re-Fungible ----------238239  it('ReFungible: allows an Owner to nest/unnest their token', async () => {240    await usingApi(async api => {241      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});242      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Owner'});243      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});244      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};245246      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});247248      // Create a nested token249      await expect(executeTransaction(api, alice, api.tx.unique.createItem(250        collectionRFT,251        targetAddress,252        {ReFungible: {const_data: [], pieces: 100}},253      ))).to.not.be.rejected;254255      // Nest a new token256      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');257      await transferExpectSuccess(collectionRFT, newToken, alice, targetAddress, 100, 'ReFungible');258    });259  });260261  it('ReFungible: allows an Owner to nest/unnest their token (Restricted nesting)', async () => {262    await usingApi(async api => {263      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});264      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT', {Substrate: alice.address});265      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};266267      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});268269      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[collectionRFT]}});270271      // Create a nested token272      await expect(executeTransaction(api, alice, api.tx.unique.createItem(273        collectionRFT,274        targetAddress,275        {ReFungible: {const_data: [], pieces: 100}},276      ))).to.not.be.rejected;277278      // Nest a new token279      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');280      await transferExpectSuccess(collectionRFT, newToken, alice, targetAddress, 100, 'ReFungible');281    });282  });283});284285describe('Negative Test: Nesting', async() => {286  before(async () => {287    await usingApi(async () => {288      alice = privateKey('//Alice');289      bob = privateKey('//Bob');290    });291  });292293  // TODO delete if this is actually wrong294  // TODO remake all other nesting tests if this is right295  it('Affirms that transfer is disallowed to transfer nested tokens', async () => {296    await usingApi(async () => {297      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});298      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});299300      const tokenA = await createItemExpectSuccess(alice, collection, 'NFT');301      const tokenB = await createItemExpectSuccess(alice, collection, 'NFT', {Ethereum: tokenIdToAddress(collection, tokenA)});302      303      await transferExpectFailure(collection, tokenB, alice, bob);304    });305  });306307  it('Disallows excessive token nesting', async () => {308    await usingApi(async api => {309      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});310      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});311      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');312313      const maxNestingLevel = 5;314      let prevToken = targetToken;315316      // Create a nested-token matryoshka317      for (let i = 0; i < maxNestingLevel; i++) {318        const nestedToken = await createItemExpectSuccess(319          alice,320          collection,321          'NFT',322          {Ethereum: tokenIdToAddress(collection, prevToken)},323        );324325        prevToken = nestedToken;326      }327328      // The nesting depth is limited by `maxNestingLevel`329      await expect(executeTransaction(api, alice, api.tx.unique.createItem(330        collection,331        {Ethereum: tokenIdToAddress(collection, prevToken)},332          {nft: {const_data: [], variable_data: []}} as any,333      )), 'while creating nested token').to.be.rejectedWith(/^structure\.DepthLimit$/);334335      expect(await getTopmostTokenOwner(api, collection, prevToken)).to.be.deep.equal({Substrate: alice.address});336    });337  });338339  // ---------- Non-Fungible ----------340341  it('NFT: disallows to nest token if nesting is disabled', async () => {342    await usingApi(async api => {343      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});344      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Disabled'});345      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');346347      // Try to create a nested token348      await expect(executeTransaction(api, alice, api.tx.unique.createItem(349        collection,350        {Ethereum: tokenIdToAddress(collection, targetToken)},351          {nft: {const_data: [], variable_data: []}} as any,352      )), 'while creating nested token').to.be.rejectedWith(/^common\.NestingIsDisabled$/);353354      // Create a token to be nested355      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');356      // Try to nest357      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.NestingIsDisabled/);358      expect(await getTopmostTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});359      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});360    });361  });362363  it('NFT: disallows a non-Owner to nest someone else\'s token', async () => {364    await usingApi(async api => {365      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});366      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: 'Owner'});367368      await addToAllowListExpectSuccess(alice, collection, bob.address);369      await enableAllowListExpectSuccess(alice, collection);370      await enablePublicMintingExpectSuccess(alice, collection);371372      // Create a token to attempt to be nested into373      const targetToken = await createItemExpectSuccess(bob, collection, 'NFT');374375      // Try to create a nested token in the wrong collection376      await expect(executeTransaction(api, alice, api.tx.unique.createItem(377        collection,378        {Ethereum: tokenIdToAddress(collection, targetToken)},379          {nft: {const_data: [], variable_data: []}} as any,380      )), 'while creating nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);381382      // Try to create and nest a token in the wrong collection383      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');384      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.AddressNotInAllowlist/);385      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});386    });387  });388389  it('NFT: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async () => {390    await usingApi(async api => {391      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});392      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {OwnerRestricted:[collection]}});393394      await addToAllowListExpectSuccess(alice, collection, bob.address);395      await enableAllowListExpectSuccess(alice, collection);396      await enablePublicMintingExpectSuccess(alice, collection);397398      // Create a token to attempt to be nested into399      const targetToken = await createItemExpectSuccess(bob, collection, 'NFT');400401      // Try to create a nested token in the wrong collection402      await expect(executeTransaction(api, alice, api.tx.unique.createItem(403        collection,404        {Ethereum: tokenIdToAddress(collection, targetToken)},405          {nft: {const_data: [], variable_data: []}} as any,406      )), 'while creating nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);407408      // Try to create and nest a token in the wrong collection409      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');410      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.AddressNotInAllowlist/);411      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});412    });413  });414415  it('NFT: disallows to nest token in an unlisted collection', async () => {416    await usingApi(async api => {417      const collection = await createCollectionExpectSuccess({mode: {type: 'NFT'}});418      await setCollectionPermissionsExpectSuccess(alice, collection, {nesting: {OwnerRestricted:[]}});419420      // Create a token to attempt to be nested into421      const targetToken = await createItemExpectSuccess(alice, collection, 'NFT');422423      // Try to create a nested token in the wrong collection424      await expect(executeTransaction(api, alice, api.tx.unique.createItem(425        collection,426        {Ethereum: tokenIdToAddress(collection, targetToken)},427          {nft: {const_data: [], variable_data: []}} as any,428      )), 'while creating nested token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);429430      // Try to create and nest a token in the wrong collection431      const newToken = await createItemExpectSuccess(alice, collection, 'NFT');432      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collection, targetToken)}, collection, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);433      expect(await getTokenOwner(api, collection, newToken)).to.be.deep.equal({Substrate: alice.address});434    });435  });436437  // ---------- Fungible ----------438439  it('Fungible: disallows to nest token if nesting is disabled', async () => {440    await usingApi(async api => {441      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});442      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Disabled'});443      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');444      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};445446      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});447448      // Try to create a nested token449      await expect(executeTransaction(api, alice, api.tx.unique.createItem(450        collectionFT,451        targetAddress,452        {Fungible: {Value: 10}},453      )), 'while creating nested token').to.be.rejectedWith(/^common\.NestingIsDisabled$/);454455      // Create a token to be nested456      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');457      // Try to nest458      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.NestingIsDisabled/);459460      // Create another token to be nested461      const newToken2 = await createItemExpectSuccess(alice, collectionFT, 'Fungible');462      // Try to nest inside a fungible token463      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collectionFT, newToken)}, collectionFT, newToken2, 1)), 'while nesting new token inside fungible').to.be.rejectedWith(/fungible\.FungibleDisallowsNesting/);464    });465  });466467  it('Fungible: disallows a non-Owner to nest someone else\'s token', async () => {468    await usingApi(async api => {469      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});470      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Owner'});471472      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);473      await enableAllowListExpectSuccess(alice, collectionNFT);474      await enablePublicMintingExpectSuccess(alice, collectionNFT);475476      // Create a token to attempt to be nested into477      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');478      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};479480      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});481482      // Try to create a nested token in the wrong collection483      await expect(executeTransaction(api, alice, api.tx.unique.createItem(484        collectionFT,485        targetAddress,486        {Fungible: {Value: 10}},487      )), 'while creating nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);488489      // Try to create and nest a token in the wrong collection490      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');491      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);492    });493  });494495  it('Fungible: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async () => {496    await usingApi(async api => {497      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});498      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);499      await enableAllowListExpectSuccess(alice, collectionNFT);500      await enablePublicMintingExpectSuccess(alice, collectionNFT);501502      // Create a token to attempt to be nested into503      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');504      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};505506      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});507      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[collectionFT]}});508509      // Try to create a nested token in the wrong collection510      await expect(executeTransaction(api, alice, api.tx.unique.createItem(511        collectionFT,512        targetAddress,513        {Fungible: {Value: 10}},514      )), 'while creating nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);515516      // Try to create and nest a token in the wrong collection517      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');518      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);519    });520  });521522  it('Fungible: disallows to nest token in an unlisted collection', async () => {523    await usingApi(async api => {524      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});525      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[]}});526527      // Create a token to attempt to be nested into528      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');529      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};530531      const collectionFT = await createCollectionExpectSuccess({mode: {type: 'Fungible', decimalPoints: 0}});532533      // Try to create a nested token in the wrong collection534      await expect(executeTransaction(api, alice, api.tx.unique.createItem(535        collectionFT,536        targetAddress,537        {Fungible: {Value: 10}},538      )), 'while creating a nested token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);539540      // Try to create and nest a token in the wrong collection541      const newToken = await createItemExpectSuccess(alice, collectionFT, 'Fungible');542      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);543    });544  });545546  // ---------- Re-Fungible ----------547548  it('ReFungible: disallows to nest token if nesting is disabled', async () => {549    await usingApi(async api => {550      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});551      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Disabled'});552      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');553      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};554555      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});556557      // Create a nested token558      await expect(executeTransaction(api, alice, api.tx.unique.createItem(559        collectionRFT,560        targetAddress,561        {ReFungible: {const_data: [], pieces: 100}},562      )), 'while creating a nested token').to.be.rejectedWith(/^common\.NestingIsDisabled$/);563564      // Create a token to be nested565      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');566      // Try to nest567      await transferExpectFailure(collectionRFT, newToken, alice, targetAddress, 100);568      // Try to nest569      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.NestingIsDisabled/);570571      // Create another token to be nested572      const newToken2 = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');573      // Try to nest inside a fungible token574      await expect(executeTransaction(api, alice, api.tx.unique.transfer({Ethereum: tokenIdToAddress(collectionRFT, newToken)}, collectionRFT, newToken2, 1)), 'while nesting new token inside refungible').to.be.rejectedWith(/refungible\.RefungibleDisallowsNesting/);575    });576  });577578  it('ReFungible: disallows a non-Owner to nest someone else\'s token', async () => {579    await usingApi(async api => {580      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});581      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: 'Owner'});582583      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);584      await enableAllowListExpectSuccess(alice, collectionNFT);585      await enablePublicMintingExpectSuccess(alice, collectionNFT);586587      // Create a token to attempt to be nested into588      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');589      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};590591      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});592593      // Try to create a nested token in the wrong collection594      await expect(executeTransaction(api, alice, api.tx.unique.createItem(595        collectionRFT,596        targetAddress,597        {ReFungible: {const_data: [], pieces: 100}},598      )), 'while creating a nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);599600      // Try to create and nest a token in the wrong collection601      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');602      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);603    });604  });605606  it('ReFungible: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', async () => {607    await usingApi(async api => {608      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});609      await addToAllowListExpectSuccess(alice, collectionNFT, bob.address);610      await enableAllowListExpectSuccess(alice, collectionNFT);611      await enablePublicMintingExpectSuccess(alice, collectionNFT);612613      // Create a token to attempt to be nested into614      const targetToken = await createItemExpectSuccess(bob, collectionNFT, 'NFT');615      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};616617      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});618      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[collectionRFT]}});619620      // Try to create a nested token in the wrong collection621      await expect(executeTransaction(api, alice, api.tx.unique.createItem(622        collectionRFT,623        targetAddress,624        {ReFungible: {const_data: [], pieces: 100}},625      )), 'while creating a nested token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);626627      // Try to create and nest a token in the wrong collection628      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');629      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.OnlyOwnerAllowedToNest/);630    });631  });632633  it('ReFungible: disallows to nest token to an unlisted collection', async () => {634    await usingApi(async api => {635      const collectionNFT = await createCollectionExpectSuccess({mode: {type: 'NFT'}});636      await setCollectionPermissionsExpectSuccess(alice, collectionNFT, {nesting: {OwnerRestricted:[]}});637638      // Create a token to attempt to be nested into639      const targetToken = await createItemExpectSuccess(alice, collectionNFT, 'NFT');640      const targetAddress = {Ethereum: tokenIdToAddress(collectionNFT, targetToken)};641642      const collectionRFT = await createCollectionExpectSuccess({mode: {type: 'ReFungible'}});643644      // Try to create a nested token in the wrong collection645      await expect(executeTransaction(api, alice, api.tx.unique.createItem(646        collectionRFT,647        targetAddress,648        {ReFungible: {const_data: [], pieces: 100}},649      )), 'while creating a nested token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);650651      // Try to create and nest a token in the wrong collection652      const newToken = await createItemExpectSuccess(alice, collectionRFT, 'ReFungible');653      await expect(executeTransaction(api, alice, api.tx.unique.transfer(targetAddress, collectionRFT, newToken, 1)), 'while nesting new token').to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);654    });655  });656});
modifiedtests/src/util/helpers.tsdiffbeforeafterboth
--- a/tests/src/util/helpers.ts
+++ b/tests/src/util/helpers.ts
@@ -28,6 +28,7 @@
 import {default as usingApi, executeTransaction, submitTransactionAsync, submitTransactionExpectFailAsync} from '../substrate/substrate-api';
 import {hexToStr, strToUTF16, utf16ToStr} from './util';
 import {UpDataStructsRpcCollection, UpDataStructsCreateItemData, UpDataStructsProperty} from '@polkadot/types/lookup';
+import {UpDataStructsTokenChild} from '../interfaces';
 
 chai.use(chaiAsPromised);
 const expect = chai.expect;
@@ -1072,6 +1073,13 @@
   if (owner == null) throw new Error('owner == null');
   return normalizeAccountId(owner);
 }
+export async function getTokenChildren(
+  api: ApiPromise,
+  collectionId: number,
+  tokenId: number,
+): Promise<UpDataStructsTokenChild[]> {
+  return (await api.rpc.unique.tokenChildren(collectionId, tokenId)).toJSON() as any;
+}
 export async function isTokenExists(
   api: ApiPromise,
   collectionId: number,