git.delta.rocks / unique-network / refs/commits / d996a74e54de

difftreelog

Merge pull request #835 from UniqueNetwork/tests/generalization

Yaroslav Bolyukin2023-01-18parents: #d161923 #5954afe.patch.diff
in: master

20 files changed

modifiedtests/src/apiConsts.test.tsdiffbeforeafterboth
--- a/tests/src/apiConsts.test.ts
+++ b/tests/src/apiConsts.test.ts
@@ -15,7 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {ApiPromise} from '@polkadot/api';
-import {usingPlaygrounds, itSub, expect} from './util';
+import {usingPlaygrounds, itSub, expect, COLLECTION_HELPER, CONTRACT_HELPER} from './util';
 
 
 const MAX_COLLECTION_DESCRIPTION_LENGTH = 256n;
@@ -40,9 +40,6 @@
   ownerCanDestroy: true,
   transfersEnabled: true,
 };
-
-const EVM_COLLECTION_HELPERS_ADDRESS = '0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f';
-const HELPERS_CONTRACT_ADDRESS = '0x842899ECF380553E8a4de75bF534cdf6fBF64049';
 
 describe('integration test: API UNIQUE consts', () => {
   let api: ApiPromise;
@@ -106,11 +103,11 @@
   });
 
   itSub('HELPERS_CONTRACT_ADDRESS', () => {
-    expect(api.consts.evmContractHelpers.contractAddress.toString().toLowerCase()).to.be.equal(HELPERS_CONTRACT_ADDRESS.toLowerCase());
+    expect(api.consts.evmContractHelpers.contractAddress.toString().toLowerCase()).to.be.equal(CONTRACT_HELPER.toLowerCase());
   });
 
   itSub('EVM_COLLECTION_HELPERS_ADDRESS', () => {
-    expect(api.consts.common.contractAddress.toString().toLowerCase()).to.be.equal(EVM_COLLECTION_HELPERS_ADDRESS.toLowerCase());
+    expect(api.consts.common.contractAddress.toString().toLowerCase()).to.be.equal(COLLECTION_HELPER.toLowerCase());
   });
 });
 
modifiedtests/src/burnItem.test.tsdiffbeforeafterboth
--- a/tests/src/burnItem.test.ts
+++ b/tests/src/burnItem.test.ts
@@ -45,32 +45,6 @@
     await collection.burnTokens(alice, 1n);
     expect(await collection.getBalance({Substrate: alice.address})).to.eq(9n);
   });
-
-  itSub.ifWithPallets('Burn item in ReFungible collection', [Pallets.ReFungible], async function({helper}) {
-    const collection = await helper.rft.mintCollection(alice);
-    const token = await collection.mintToken(alice, 100n);
-
-    await token.burn(alice, 90n);
-    expect(await token.getBalance({Substrate: alice.address})).to.eq(10n);
-
-    await token.burn(alice, 10n);
-    expect(await token.getBalance({Substrate: alice.address})).to.eq(0n);
-  });
-
-  itSub.ifWithPallets('Burn owned portion of item in ReFungible collection', [Pallets.ReFungible], async function({helper}) {
-    const collection = await helper.rft.mintCollection(alice);
-    const token = await collection.mintToken(alice, 100n);
-
-    await token.transfer(alice, {Substrate: bob.address}, 1n);
-
-    expect(await token.getBalance({Substrate: alice.address})).to.eq(99n);
-    expect(await token.getBalance({Substrate: bob.address})).to.eq(1n);
-
-    await token.burn(bob, 1n);
-
-    expect(await token.getBalance({Substrate: alice.address})).to.eq(99n);
-    expect(await token.getBalance({Substrate: bob.address})).to.eq(0n);
-  });
 });
 
 describe('integration test: ext. burnItem() with admin permissions:', () => {
@@ -104,16 +78,6 @@
     await collection.burnTokensFrom(bob, {Substrate: alice.address}, 1n);
     expect(await collection.getBalance({Substrate: alice.address})).to.eq(9n);
   });
-
-  itSub.ifWithPallets('Burn item in ReFungible collection', [Pallets.ReFungible], async function({helper}) {
-    const collection = await helper.rft.mintCollection(alice);
-    await collection.setLimits(alice, {ownerCanTransfer: true});
-    await collection.addAdmin(alice, {Substrate: bob.address});
-    const token = await collection.mintToken(alice, 100n);
-
-    await token.burnFrom(bob, {Substrate: alice.address}, 100n);
-    expect(await token.doesExist()).to.be.false;
-  });
 });
 
 describe('Negative integration test: ext. burnItem():', () => {
@@ -138,31 +102,6 @@
     const token = await collection.mintToken(alice);
 
     await expect(token.burn(bob)).to.be.rejectedWith('common.NoPermission');
-  });
-
-  itSub.ifWithPallets('RFT: cannot burn non-owned token pieces', [Pallets.ReFungible], async ({helper}) => {
-    const collection = await helper.rft.mintCollection(alice);
-    const aliceToken = await collection.mintToken(alice, 10n, {Substrate: alice.address});
-    const bobToken = await collection.mintToken(alice, 10n, {Substrate: bob.address});
-
-    // 1. Cannot burn non-owned token:
-    await expect(bobToken.burn(alice, 0n)).to.be.rejectedWith('common.TokenValueTooLow');
-    await expect(bobToken.burn(alice, 5n)).to.be.rejectedWith('common.TokenValueTooLow');
-    // 2. Cannot burn non-existing token:
-    await expect(helper.rft.burnToken(alice, 99999, 10)).to.be.rejectedWith('common.CollectionNotFound');
-    await expect(helper.rft.burnToken(alice, collection.collectionId, 99999)).to.be.rejectedWith('common.TokenValueTooLow');
-    // 3. Can burn zero amount of owned tokens (EIP-20)
-    await aliceToken.burn(alice, 0n);
-
-    // 4. Storage is not corrupted:
-    expect(await aliceToken.getTop10Owners()).to.deep.eq([{Substrate: alice.address}]);
-    expect(await bobToken.getTop10Owners()).to.deep.eq([{Substrate: bob.address}]);
-
-    // 4.1 Tokens can be transfered:
-    await aliceToken.transfer(alice, {Substrate: bob.address}, 10n);
-    await bobToken.transfer(bob, {Substrate: alice.address}, 10n);
-    expect(await aliceToken.getTop10Owners()).to.deep.eq([{Substrate: bob.address}]);
-    expect(await bobToken.getTop10Owners()).to.deep.eq([{Substrate: alice.address}]);
   });
 
   itSub('Transfer a burned token', async ({helper}) => {
modifiedtests/src/eth/collectionHelperAddress.test.tsdiffbeforeafterboth
--- a/tests/src/eth/collectionHelperAddress.test.ts
+++ b/tests/src/eth/collectionHelperAddress.test.ts
@@ -16,9 +16,7 @@
 
 import {itEth, usingEthPlaygrounds, expect} from './util';
 import {IKeyringPair} from '@polkadot/types/types';
-import {Pallets} from '../util';
-
-const EVM_COLLECTION_HELPERS_ADDRESS = '0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f';
+import {COLLECTION_HELPER, Pallets} from '../util';
 
 describe('[eth]CollectionHelperAddress test: ERC20/ERC721 ', () => {
   let donor: IKeyringPair;
@@ -36,7 +34,7 @@
     const nftCollection = await helper.ethNativeContract.collection(nftCollectionAddress, 'nft', owner);
 
     expect((await nftCollection.methods.collectionHelperAddress().call())
-      .toString().toLowerCase()).to.be.equal(EVM_COLLECTION_HELPERS_ADDRESS);
+      .toString().toLowerCase()).to.be.equal(COLLECTION_HELPER);
   });
 
   itEth.ifWithPallets('RFT ', [Pallets.ReFungible], async ({helper}) => {
@@ -46,7 +44,7 @@
 
     const rftCollection = await helper.ethNativeContract.collection(rftCollectionAddress, 'rft', owner);
     expect((await rftCollection.methods.collectionHelperAddress().call())
-      .toString().toLowerCase()).to.be.equal(EVM_COLLECTION_HELPERS_ADDRESS);
+      .toString().toLowerCase()).to.be.equal(COLLECTION_HELPER);
   });
 
   itEth('FT', async ({helper}) => {
@@ -56,7 +54,7 @@
     const collection = await helper.ethNativeContract.collection(collectionAddress, 'ft', owner);
 
     expect((await collection.methods.collectionHelperAddress().call())
-      .toString().toLowerCase()).to.be.equal(EVM_COLLECTION_HELPERS_ADDRESS);
+      .toString().toLowerCase()).to.be.equal(COLLECTION_HELPER);
   });
 
   itEth('[collectionHelpers] convert collectionId into address', async ({helper}) => {
modifiedtests/src/eth/createNFTCollection.test.tsdiffbeforeafterboth
--- a/tests/src/eth/createNFTCollection.test.ts
+++ b/tests/src/eth/createNFTCollection.test.ts
@@ -18,6 +18,7 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {expect, itEth, usingEthPlaygrounds} from './util';
 import {CollectionLimitField} from './util/playgrounds/types';
+import {COLLECTION_HELPER} from '../util';
 
 
 describe('Create NFT collection from EVM', () => {
modifiedtests/src/eth/fungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/fungible.test.ts
+++ b/tests/src/eth/fungible.test.ts
@@ -17,38 +17,6 @@
 import {expect, itEth, usingEthPlaygrounds} from './util';
 import {IKeyringPair} from '@polkadot/types/types';
 
-describe('Fungible: Information getting', () => {
-  let donor: IKeyringPair;
-  let alice: IKeyringPair;
-
-  before(async function() {
-    await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = await privateKey({filename: __filename});
-      [alice] = await helper.arrange.createAccounts([20n], donor);
-    });
-  });
-
-  itEth('totalSupply', async ({helper}) => {
-    const caller = await helper.eth.createAccountWithBalance(donor);
-    const collection = await helper.ft.mintCollection(alice);
-    await collection.mint(alice, 200n);
-
-    const contract = await helper.ethNativeContract.collectionById(collection.collectionId, 'ft', caller);
-    const totalSupply = await contract.methods.totalSupply().call();
-    expect(totalSupply).to.equal('200');
-  });
-
-  itEth('balanceOf', async ({helper}) => {
-    const caller = await helper.eth.createAccountWithBalance(donor);
-    const collection = await helper.ft.mintCollection(alice);
-    await collection.mint(alice, 200n, {Ethereum: caller});
-
-    const contract = await helper.ethNativeContract.collectionById(collection.collectionId, 'ft', caller);
-    const balance = await contract.methods.balanceOf(caller).call();
-    expect(balance).to.equal('200');
-  });
-});
-
 describe('Fungible: Plain calls', () => {
   let donor: IKeyringPair;
   let alice: IKeyringPair;
@@ -59,24 +27,6 @@
       donor = await privateKey({filename: __filename});
       [alice, owner] = await helper.arrange.createAccounts([30n, 20n], donor);
     });
-  });
-
-  itEth('Can perform mint()', async ({helper}) => {
-    const owner = await helper.eth.createAccountWithBalance(donor);
-    const receiver = helper.eth.createAccount();
-    const collection = await helper.ft.mintCollection(alice);
-    await collection.addAdmin(alice, {Ethereum: owner});
-
-    const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);
-    const contract = await helper.ethNativeContract.collection(collectionAddress, 'ft', owner);
-
-    const result = await contract.methods.mint(receiver, 100).send();
-
-    const event = result.events.Transfer;
-    expect(event.address).to.equal(collectionAddress);
-    expect(event.returnValues.from).to.equal('0x0000000000000000000000000000000000000000');
-    expect(event.returnValues.to).to.equal(receiver);
-    expect(event.returnValues.value).to.equal('100');
   });
 
   [
addedtests/src/eth/getCode.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/eth/getCode.test.ts
@@ -0,0 +1,53 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {expect, itEth, usingEthPlaygrounds} from './util';
+import {IKeyringPair} from '@polkadot/types/types';
+import {COLLECTION_HELPER, CONTRACT_HELPER} from '../util';
+
+describe('RPC eth_getCode', () => {
+  let donor: IKeyringPair;
+
+  before(async function() {
+    await usingEthPlaygrounds(async (helper, privateKey) => {
+      donor = await privateKey({filename: __filename});
+    });
+  });
+
+  [
+    {address: COLLECTION_HELPER},
+    {address: CONTRACT_HELPER},
+  ].map(testCase => {
+    itEth(`returns value for native contract: ${testCase.address}`, async ({helper}) => {
+      const contractCodeSub = (await helper.callRpc('api.rpc.eth.getCode', [testCase.address])).toJSON();
+      const contractCodeEth = (await helper.getWeb3().eth.getCode(testCase.address));
+
+      expect(contractCodeSub).to.has.length.greaterThan(4);
+      expect(contractCodeEth).to.has.length.greaterThan(4);
+    });
+  });
+
+  itEth('returns value for custom contract', async ({helper}) => {
+    const signer = await helper.eth.createAccountWithBalance(donor);
+    const flipper = await helper.eth.deployFlipper(signer);
+
+    const contractCodeSub = (await helper.callRpc('api.rpc.eth.getCode', [flipper.options.address])).toJSON();
+    const contractCodeEth = (await helper.getWeb3().eth.getCode(flipper.options.address));
+
+    expect(contractCodeSub).to.has.length.greaterThan(4);
+    expect(contractCodeEth).to.has.length.greaterThan(4);
+  });
+});
modifiedtests/src/eth/nonFungible.test.tsdiffbeforeafterboth
--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -19,68 +19,6 @@
 import {Contract} from 'web3-eth-contract';
 import {ITokenPropertyPermission} from '../util/playgrounds/types';
 
-
-describe('NFT: Information getting', () => {
-  let donor: IKeyringPair;
-  let alice: IKeyringPair;
-
-  before(async function() {
-    await usingEthPlaygrounds(async (helper, privateKey) => {
-      donor = await privateKey({filename: __filename});
-      [alice] = await helper.arrange.createAccounts([10n], donor);
-    });
-  });
-
-  itEth('totalSupply', async ({helper}) => {
-    const collection = await helper.nft.mintCollection(alice, {});
-    await collection.mintToken(alice);
-
-    const caller = await helper.eth.createAccountWithBalance(donor);
-
-    const contract = await helper.ethNativeContract.collectionById(collection.collectionId, 'nft', caller);
-    const totalSupply = await contract.methods.totalSupply().call();
-
-    expect(totalSupply).to.equal('1');
-  });
-
-  itEth('balanceOf', async ({helper}) => {
-    const collection = await helper.nft.mintCollection(alice, {});
-    const caller = await helper.eth.createAccountWithBalance(donor);
-
-    await collection.mintToken(alice, {Ethereum: caller});
-    await collection.mintToken(alice, {Ethereum: caller});
-    await collection.mintToken(alice, {Ethereum: caller});
-
-    const contract = await helper.ethNativeContract.collectionById(collection.collectionId, 'nft', caller);
-    const balance = await contract.methods.balanceOf(caller).call();
-
-    expect(balance).to.equal('3');
-  });
-
-  itEth('ownerOf', async ({helper}) => {
-    const collection = await helper.nft.mintCollection(alice, {});
-    const caller = await helper.eth.createAccountWithBalance(donor);
-
-    const token = await collection.mintToken(alice, {Ethereum: caller});
-
-    const contract = await helper.ethNativeContract.collectionById(collection.collectionId, 'nft', caller);
-
-    const owner = await contract.methods.ownerOf(token.tokenId).call();
-
-    expect(owner).to.equal(caller);
-  });
-
-  itEth('name/symbol is available regardless of ERC721Metadata support', async ({helper}) => {
-    const collection = await helper.nft.mintCollection(alice, {name: 'test', tokenPrefix: 'TEST'});
-    const caller = helper.eth.createAccount();
-
-    const contract = await helper.ethNativeContract.collectionById(collection.collectionId, 'nft', caller);
-
-    expect(await contract.methods.name().call()).to.equal('test');
-    expect(await contract.methods.symbol().call()).to.equal('TEST');
-  });
-});
-
 describe('Check ERC721 token URI for NFT', () => {
   let donor: IKeyringPair;
 
@@ -148,30 +86,6 @@
       donor = await privateKey({filename: __filename});
       [minter, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
     });
-  });
-
-  itEth('Can perform mint() & get crossOwner()', async ({helper}) => {
-    const owner = await helper.eth.createAccountWithBalance(donor);
-    const receiver = helper.eth.createAccount();
-
-    const {collectionAddress} = await helper.eth.createERC721MetadataCompatibleNFTCollection(owner, 'Mint collection', '6', '6', '');
-    const contract = await helper.ethNativeContract.collection(collectionAddress, 'nft', owner);
-
-    const result = await contract.methods.mintWithTokenURI(receiver, 'Test URI').send();
-    const tokenId = result.events.Transfer.returnValues.tokenId;
-    expect(tokenId).to.be.equal('1');
-
-    const event = result.events.Transfer;
-    expect(event.address).to.be.equal(collectionAddress);
-    expect(event.returnValues.from).to.be.equal('0x0000000000000000000000000000000000000000');
-    expect(event.returnValues.to).to.be.equal(receiver);
-
-    expect(await contract.methods.tokenURI(tokenId).call()).to.be.equal('Test URI');
-    expect(await contract.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
-    // TODO: this wont work right now, need release 919000 first
-    // await helper.methods.setOffchainSchema(collectionIdAddress, 'https://offchain-service.local/token-info/{id}').send();
-    // const tokenUri = await contract.methods.tokenURI(nextTokenId).call();
-    // expect(tokenUri).to.be.equal(`https://offchain-service.local/token-info/${nextTokenId}`);
   });
 
   // TODO combine all minting tests in one place
modifiedtests/src/eth/reFungible.test.tsdiffbeforeafterboth
before · tests/src/eth/reFungible.test.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617import {Pallets, requirePalletsOrSkip} from '../util';18import {expect, itEth, usingEthPlaygrounds} from './util';19import {IKeyringPair} from '@polkadot/types/types';20import {ITokenPropertyPermission} from '../util/playgrounds/types';2122describe('Refungible: Information getting', () => {23  let donor: IKeyringPair;2425  before(async function() {26    await usingEthPlaygrounds(async (helper, privateKey) => {27      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);2829      donor = await privateKey({filename: __filename});30    });31  });3233  itEth('totalSupply', async ({helper}) => {34    const caller = await helper.eth.createAccountWithBalance(donor);35    const {collectionAddress} = await helper.eth.createRFTCollection(caller, 'TotalSupply', '6', '6');36    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);3738    await contract.methods.mint(caller).send();3940    const totalSupply = await contract.methods.totalSupply().call();41    expect(totalSupply).to.equal('1');42  });4344  itEth('balanceOf', async ({helper}) => {45    const caller = await helper.eth.createAccountWithBalance(donor);46    const {collectionAddress} = await helper.eth.createRFTCollection(caller, 'BalanceOf', '6', '6');47    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);4849    await contract.methods.mint(caller).send();50    await contract.methods.mint(caller).send();51    await contract.methods.mint(caller).send();5253    const balance = await contract.methods.balanceOf(caller).call();54    expect(balance).to.equal('3');55  });5657  itEth('ownerOf', async ({helper}) => {58    const caller = await helper.eth.createAccountWithBalance(donor);59    const {collectionAddress} = await helper.eth.createRFTCollection(caller, 'OwnerOf', '6', '6');60    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);6162    const result = await contract.methods.mint(caller).send();63    const tokenId = result.events.Transfer.returnValues.tokenId;6465    const owner = await contract.methods.ownerOf(tokenId).call();66    expect(owner).to.equal(caller);67  });6869  itEth('ownerOf after burn', async ({helper}) => {70    const caller = await helper.eth.createAccountWithBalance(donor);71    const receiver = helper.eth.createAccount();72    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(caller, 'OwnerOf-AfterBurn', '6', '6');73    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);7475    const result = await contract.methods.mint(caller).send();76    const tokenId = result.events.Transfer.returnValues.tokenId;77    const tokenContract = await helper.ethNativeContract.rftTokenById(collectionId, tokenId, caller, true);7879    await tokenContract.methods.repartition(2).send();80    await tokenContract.methods.transfer(receiver, 1).send();8182    await tokenContract.methods.burnFrom(caller, 1).send();8384    const owner = await contract.methods.ownerOf(tokenId).call();85    expect(owner).to.equal(receiver);86  });8788  itEth('ownerOf for partial ownership', async ({helper}) => {89    const caller = await helper.eth.createAccountWithBalance(donor);90    const receiver = helper.eth.createAccount();91    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(caller, 'Partial-OwnerOf', '6', '6');92    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);9394    const result = await contract.methods.mint(caller).send();95    const tokenId = result.events.Transfer.returnValues.tokenId;96    const tokenContract = await helper.ethNativeContract.rftTokenById(collectionId, tokenId, caller);9798    await tokenContract.methods.repartition(2).send();99    await tokenContract.methods.transfer(receiver, 1).send();100101    const owner = await contract.methods.ownerOf(tokenId).call();102    expect(owner).to.equal('0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF');103  });104});105106describe('Refungible: Plain calls', () => {107  let donor: IKeyringPair;108  let minter: IKeyringPair;109  let bob: IKeyringPair;110  let charlie: IKeyringPair;111112  before(async function() {113    await usingEthPlaygrounds(async (helper, privateKey) => {114      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);115116      donor = await privateKey({filename: __filename});117      [minter, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);118    });119  });120121  itEth('Can perform mint() & crossOwnerOf()', async ({helper}) => {122    const owner = await helper.eth.createAccountWithBalance(donor);123    const receiver = helper.eth.createAccount();124    const {collectionAddress} = await helper.eth.createERC721MetadataCompatibleRFTCollection(owner, 'Minty', '6', '6', '');125    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', owner);126127    const result = await contract.methods.mintWithTokenURI(receiver, 'Test URI').send();128129    const event = result.events.Transfer;130    expect(event.address).to.equal(collectionAddress);131    expect(event.returnValues.from).to.equal('0x0000000000000000000000000000000000000000');132    expect(event.returnValues.to).to.equal(receiver);133    const tokenId = event.returnValues.tokenId;134    expect(tokenId).to.be.equal('1');135136    expect(await contract.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);137    expect(await contract.methods.tokenURI(tokenId).call()).to.be.equal('Test URI');138  });139140  [141    'substrate' as const,142    'ethereum' as const,143  ].map(testCase => {144    itEth(`Can perform mintCross() for ${testCase} address`, async ({helper}) => {145      const collectionAdmin = await helper.eth.createAccountWithBalance(donor);146147      const receiverEth = helper.eth.createAccount();148      const receiverCrossEth = helper.ethCrossAccount.fromAddress(receiverEth);149      const receiverSub = bob;150      const receiverCrossSub = helper.ethCrossAccount.fromKeyringPair(receiverSub);151152      const properties = Array(5).fill(0).map((_, i) => { return {key: `key_${i}`, value: Buffer.from(`value_${i}`)}; });153      const permissions: ITokenPropertyPermission[] = properties.map(p => { return {key: p.key, permission: {154        tokenOwner: false,155        collectionAdmin: true,156        mutable: false}};157      });158159160      const collection = await helper.rft.mintCollection(minter, {161        tokenPrefix: 'ethp',162        tokenPropertyPermissions: permissions,163      });164      await collection.addAdmin(minter, {Ethereum: collectionAdmin});165166      const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);167      const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', collectionAdmin, true);168      let expectedTokenId = await contract.methods.nextTokenId().call();169      let result = await contract.methods.mintCross(testCase === 'ethereum' ? receiverCrossEth : receiverCrossSub, []).send();170      let tokenId = result.events.Transfer.returnValues.tokenId;171      expect(tokenId).to.be.equal(expectedTokenId);172173      let event = result.events.Transfer;174      expect(event.address).to.be.equal(collectionAddress);175      expect(event.returnValues.from).to.be.equal('0x0000000000000000000000000000000000000000');176      expect(event.returnValues.to).to.be.equal(testCase === 'ethereum' ? receiverEth : helper.address.substrateToEth(bob.address));177      expect(await contract.methods.properties(tokenId, []).call()).to.be.like([]);178179      expectedTokenId = await contract.methods.nextTokenId().call();180      result = await contract.methods.mintCross(testCase === 'ethereum' ? receiverCrossEth : receiverCrossSub, properties).send();181      event = result.events.Transfer;182      expect(event.address).to.be.equal(collectionAddress);183      expect(event.returnValues.from).to.be.equal('0x0000000000000000000000000000000000000000');184      expect(event.returnValues.to).to.be.equal(testCase === 'ethereum' ? receiverEth : helper.address.substrateToEth(bob.address));185      expect(await contract.methods.properties(tokenId, []).call()).to.be.like([]);186187      tokenId = result.events.Transfer.returnValues.tokenId;188189      expect(tokenId).to.be.equal(expectedTokenId);190191      expect(await contract.methods.properties(tokenId, []).call()).to.be.like(properties192        .map(p => { return helper.ethProperty.property(p.key, p.value.toString()); }));193194      expect(await helper.nft.getTokenOwner(collection.collectionId, tokenId))195        .to.deep.eq(testCase === 'ethereum' ? {Ethereum: receiverEth.toLowerCase()} : {Substrate: receiverSub.address});196    });197  });198199  itEth.skip('Can perform mintBulk()', async ({helper}) => {200    const owner = await helper.eth.createAccountWithBalance(donor);201    const receiver = helper.eth.createAccount();202    const {collectionAddress} = await helper.eth.createERC721MetadataCompatibleRFTCollection(owner, 'MintBulky', '6', '6', '');203    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', owner);204205    {206      const nextTokenId = await contract.methods.nextTokenId().call();207      expect(nextTokenId).to.be.equal('1');208      const result = await contract.methods.mintBulkWithTokenURI(209        receiver,210        [211          [nextTokenId, 'Test URI 0'],212          [+nextTokenId + 1, 'Test URI 1'],213          [+nextTokenId + 2, 'Test URI 2'],214        ],215      ).send();216217      const events = result.events.Transfer;218      for (let i = 0; i < 2; i++) {219        const event = events[i];220        expect(event.address).to.equal(collectionAddress);221        expect(event.returnValues.from).to.equal('0x0000000000000000000000000000000000000000');222        expect(event.returnValues.to).to.equal(receiver);223        expect(event.returnValues.tokenId).to.equal(String(+nextTokenId + i));224      }225226      expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('Test URI 0');227      expect(await contract.methods.tokenURI(+nextTokenId + 1).call()).to.be.equal('Test URI 1');228      expect(await contract.methods.tokenURI(+nextTokenId + 2).call()).to.be.equal('Test URI 2');229    }230  });231232  itEth('Can perform setApprovalForAll()', async ({helper}) => {233    const owner = await helper.eth.createAccountWithBalance(donor);234    const operator = helper.eth.createAccount();235236    const collection = await helper.rft.mintCollection(minter, {});237238    const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);239    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', owner);240241    const approvedBefore = await contract.methods.isApprovedForAll(owner, operator).call();242    expect(approvedBefore).to.be.equal(false);243244    {245      const result = await contract.methods.setApprovalForAll(operator, true).send({from: owner});246247      expect(result.events.ApprovalForAll).to.be.like({248        address: collectionAddress,249        event: 'ApprovalForAll',250        returnValues: {251          owner,252          operator,253          approved: true,254        },255      });256257      const approvedAfter = await contract.methods.isApprovedForAll(owner, operator).call();258      expect(approvedAfter).to.be.equal(true);259    }260261    {262      const result = await contract.methods.setApprovalForAll(operator, false).send({from: owner});263264      expect(result.events.ApprovalForAll).to.be.like({265        address: collectionAddress,266        event: 'ApprovalForAll',267        returnValues: {268          owner,269          operator,270          approved: false,271        },272      });273274      const approvedAfter = await contract.methods.isApprovedForAll(owner, operator).call();275      expect(approvedAfter).to.be.equal(false);276    }277  });278279  itEth('Can perform burn with ApprovalForAll', async ({helper}) => {280    const collection = await helper.rft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});281282    const owner = await helper.eth.createAccountWithBalance(donor);283    const operator = await helper.eth.createAccountWithBalance(donor, 100n);284285    const token = await collection.mintToken(minter, 100n, {Ethereum: owner});286287    const address = helper.ethAddress.fromCollectionId(collection.collectionId);288    const contract = await helper.ethNativeContract.collection(address, 'rft');289290    {291      await contract.methods.setApprovalForAll(operator, true).send({from: owner});292      const ownerCross = helper.ethCrossAccount.fromAddress(owner);293      const result = await contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: operator});294      const events = result.events.Transfer;295296      expect(events).to.be.like({297        address,298        event: 'Transfer',299        returnValues: {300          from: owner,301          to: '0x0000000000000000000000000000000000000000',302          tokenId: token.tokenId.toString(),303        },304      });305    }306  });307308  itEth('Can perform burn with approve and approvalForAll', async ({helper}) => {309    const collection = await helper.rft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});310311    const owner = await helper.eth.createAccountWithBalance(donor);312    const operator = await helper.eth.createAccountWithBalance(donor, 100n);313314    const token = await collection.mintToken(minter, 100n, {Ethereum: owner});315316    const address = helper.ethAddress.fromCollectionId(collection.collectionId);317    const contract = await helper.ethNativeContract.collection(address, 'rft');318319    const rftToken = await helper.ethNativeContract.rftTokenById(token.collectionId, token.tokenId, owner, true);320321    {322      await rftToken.methods.approve(operator, 15n).send({from: owner});323      await contract.methods.setApprovalForAll(operator, true).send({from: owner});324      await rftToken.methods.burnFrom(owner, 10n).send({from: operator});325      const allowance = await rftToken.methods.allowance(owner, operator).call();326      expect(allowance).to.be.equal('5');327    }328  });329330  itEth('Can perform transfer with ApprovalForAll', async ({helper}) => {331    const collection = await helper.rft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});332333    const owner = await helper.eth.createAccountWithBalance(donor);334    const operator = await helper.eth.createAccountWithBalance(donor);335    const receiver = charlie;336337    const token = await collection.mintToken(minter, 100n, {Ethereum: owner});338339    const address = helper.ethAddress.fromCollectionId(collection.collectionId);340    const contract = await helper.ethNativeContract.collection(address, 'rft');341342    {343      await contract.methods.setApprovalForAll(operator, true).send({from: owner});344      const ownerCross = helper.ethCrossAccount.fromAddress(owner);345      const recieverCross = helper.ethCrossAccount.fromKeyringPair(receiver);346      const result = await contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: operator});347      const event = result.events.Transfer;348      expect(event).to.be.like({349        address: helper.ethAddress.fromCollectionId(collection.collectionId),350        event: 'Transfer',351        returnValues: {352          from: owner,353          to: helper.address.substrateToEth(receiver.address),354          tokenId: token.tokenId.toString(),355        },356      });357    }358359    expect(await token.getTop10Owners()).to.be.like([{Substrate: receiver.address}]);360  });361362  itEth('Can perform burn()', async ({helper}) => {363    const caller = await helper.eth.createAccountWithBalance(donor);364    const {collectionAddress} = await helper.eth.createRFTCollection(caller, 'Burny', '6', '6');365    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);366367    const result = await contract.methods.mint(caller).send();368    const tokenId = result.events.Transfer.returnValues.tokenId;369    {370      const result = await contract.methods.burn(tokenId).send();371      const event = result.events.Transfer;372      expect(event.address).to.equal(collectionAddress);373      expect(event.returnValues.from).to.equal(caller);374      expect(event.returnValues.to).to.equal('0x0000000000000000000000000000000000000000');375      expect(event.returnValues.tokenId).to.equal(tokenId.toString());376    }377  });378379  itEth('Can perform transferFrom()', async ({helper}) => {380    const caller = await helper.eth.createAccountWithBalance(donor);381    const receiver = helper.eth.createAccount();382    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(caller, 'TransferFromy', '6', '6');383    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);384385    const result = await contract.methods.mint(caller).send();386    const tokenId = result.events.Transfer.returnValues.tokenId;387388    const tokenAddress = helper.ethAddress.fromTokenId(collectionId, tokenId);389390    const tokenContract = await helper.ethNativeContract.rftToken(tokenAddress, caller);391    await tokenContract.methods.repartition(15).send();392393    {394      const tokenEvents: any = [];395      tokenContract.events.allEvents((_: any, event: any) => {396        tokenEvents.push(event);397      });398      const result = await contract.methods.transferFrom(caller, receiver, tokenId).send();399      if (tokenEvents.length == 0) await helper.wait.newBlocks(1);400401      let event = result.events.Transfer;402      expect(event.address).to.equal(collectionAddress);403      expect(event.returnValues.from).to.equal(caller);404      expect(event.returnValues.to).to.equal(receiver);405      expect(event.returnValues.tokenId).to.equal(tokenId.toString());406407      event = tokenEvents[0];408      expect(event.address).to.equal(tokenAddress);409      expect(event.returnValues.from).to.equal(caller);410      expect(event.returnValues.to).to.equal(receiver);411      expect(event.returnValues.value).to.equal('15');412    }413414    {415      const balance = await contract.methods.balanceOf(receiver).call();416      expect(+balance).to.equal(1);417    }418419    {420      const balance = await contract.methods.balanceOf(caller).call();421      expect(+balance).to.equal(0);422    }423  });424425  // Soft-deprecated426  itEth('Can perform burnFrom()', async ({helper}) => {427    const collection = await helper.rft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});428429    const owner = await helper.eth.createAccountWithBalance(donor, 100n);430    const spender = await helper.eth.createAccountWithBalance(donor, 100n);431432    const token = await collection.mintToken(minter, 100n, {Ethereum: owner});433434    const address = helper.ethAddress.fromCollectionId(collection.collectionId);435    const contract = await helper.ethNativeContract.collection(address, 'rft', spender, true);436437    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, token.tokenId);438    const tokenContract = await helper.ethNativeContract.rftToken(tokenAddress, owner);439    await tokenContract.methods.repartition(15).send();440    await tokenContract.methods.approve(spender, 15).send();441442    {443      const result = await contract.methods.burnFrom(owner, token.tokenId).send();444      const event = result.events.Transfer;445      expect(event).to.be.like({446        address: helper.ethAddress.fromCollectionId(collection.collectionId),447        event: 'Transfer',448        returnValues: {449          from: owner,450          to: '0x0000000000000000000000000000000000000000',451          tokenId: token.tokenId.toString(),452        },453      });454    }455456    expect(await collection.getTokenBalance(token.tokenId, {Ethereum: owner})).to.be.eq(0n);457  });458459  itEth('Can perform burnFromCross()', async ({helper}) => {460    const collection = await helper.rft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});461462    const owner = bob;463    const spender = await helper.eth.createAccountWithBalance(donor, 100n);464465    const token = await collection.mintToken(minter, 100n, {Substrate: owner.address});466467    const address = helper.ethAddress.fromCollectionId(collection.collectionId);468    const contract = await helper.ethNativeContract.collection(address, 'rft');469470    await token.repartition(owner, 15n);471    await token.approve(owner, {Ethereum: spender}, 15n);472473    {474      const ownerCross = helper.ethCrossAccount.fromKeyringPair(owner);475      const result = await contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: spender});476      const event = result.events.Transfer;477      expect(event).to.be.like({478        address: helper.ethAddress.fromCollectionId(collection.collectionId),479        event: 'Transfer',480        returnValues: {481          from: helper.address.substrateToEth(owner.address),482          to: '0x0000000000000000000000000000000000000000',483          tokenId: token.tokenId.toString(),484        },485      });486    }487488    expect(await collection.getTokenBalance(token.tokenId, {Substrate: owner.address})).to.be.eq(0n);489  });490491  itEth('Can perform transferFromCross()', async ({helper}) => {492    const collection = await helper.rft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});493494    const owner = bob;495    const spender = await helper.eth.createAccountWithBalance(donor, 100n);496    const receiver = charlie;497498    const token = await collection.mintToken(minter, 100n, {Substrate: owner.address});499500    const address = helper.ethAddress.fromCollectionId(collection.collectionId);501    const contract = await helper.ethNativeContract.collection(address, 'rft');502503    await token.repartition(owner, 15n);504    await token.approve(owner, {Ethereum: spender}, 15n);505506    {507      const ownerCross = helper.ethCrossAccount.fromKeyringPair(owner);508      const recieverCross = helper.ethCrossAccount.fromKeyringPair(receiver);509      const result = await contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: spender});510      const event = result.events.Transfer;511      expect(event).to.be.like({512        address: helper.ethAddress.fromCollectionId(collection.collectionId),513        event: 'Transfer',514        returnValues: {515          from: helper.address.substrateToEth(owner.address),516          to: helper.address.substrateToEth(receiver.address),517          tokenId: token.tokenId.toString(),518        },519      });520    }521522    expect(await token.getTop10Owners()).to.be.like([{Substrate: receiver.address}]);523  });524525  itEth('Can perform transfer()', async ({helper}) => {526    const caller = await helper.eth.createAccountWithBalance(donor);527    const receiver = helper.eth.createAccount();528    const {collectionAddress} = await helper.eth.createRFTCollection(caller, 'Transferry', '6', '6');529    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);530531    const result = await contract.methods.mint(caller).send();532    const tokenId = result.events.Transfer.returnValues.tokenId;533534    {535      const result = await contract.methods.transfer(receiver, tokenId).send();536537      const event = result.events.Transfer;538      expect(event.address).to.equal(collectionAddress);539      expect(event.returnValues.from).to.equal(caller);540      expect(event.returnValues.to).to.equal(receiver);541      expect(event.returnValues.tokenId).to.equal(tokenId.toString());542    }543544    {545      const balance = await contract.methods.balanceOf(caller).call();546      expect(+balance).to.equal(0);547    }548549    {550      const balance = await contract.methods.balanceOf(receiver).call();551      expect(+balance).to.equal(1);552    }553  });554555  itEth('Can perform transferCross()', async ({helper}) => {556    const sender = await helper.eth.createAccountWithBalance(donor);557    const receiverEth = await helper.eth.createAccountWithBalance(donor);558    const receiverCrossEth = helper.ethCrossAccount.fromAddress(receiverEth);559    const receiverCrossSub = helper.ethCrossAccount.fromKeyringPair(minter);560561    const collection = await helper.rft.mintCollection(minter, {});562    const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);563    const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, 'rft', sender);564565    const token = await collection.mintToken(minter, 50n, {Ethereum: sender});566567    {568      // Can transferCross to ethereum address:569      const result = await collectionEvm.methods.transferCross(receiverCrossEth, token.tokenId).send({from: sender});570      // Check events:571      const event = result.events.Transfer;572      expect(event.address).to.equal(collectionAddress);573      expect(event.returnValues.from).to.equal(sender);574      expect(event.returnValues.to).to.equal(receiverEth);575      expect(event.returnValues.tokenId).to.equal(token.tokenId.toString());576      // Sender's balance decreased:577      const senderBalance = await collectionEvm.methods.balanceOf(sender).call();578      expect(+senderBalance).to.equal(0);579      expect(await token.getBalance({Ethereum: sender})).to.eq(0n);580      // Receiver's balance increased:581      const receiverBalance = await collectionEvm.methods.balanceOf(receiverEth).call();582      expect(+receiverBalance).to.equal(1);583      expect(await token.getBalance({Ethereum: receiverEth})).to.eq(50n);584    }585586    {587      // Can transferCross to substrate address:588      const substrateResult = await collectionEvm.methods.transferCross(receiverCrossSub, token.tokenId).send({from: receiverEth});589      // Check events:590      const event = substrateResult.events.Transfer;591      expect(event.address).to.be.equal(collectionAddress);592      expect(event.returnValues.from).to.be.equal(receiverEth);593      expect(event.returnValues.to).to.be.equal(helper.address.substrateToEth(minter.address));594      expect(event.returnValues.tokenId).to.be.equal(`${token.tokenId}`);595      // Sender's balance decreased:596      const senderBalance = await collectionEvm.methods.balanceOf(receiverEth).call();597      expect(+senderBalance).to.equal(0);598      expect(await token.getBalance({Ethereum: receiverEth})).to.eq(0n);599      // Receiver's balance increased:600      const receiverBalance = await helper.nft.getTokensByAddress(collection.collectionId, {Substrate: minter.address});601      expect(receiverBalance).to.contain(token.tokenId);602      expect(await token.getBalance({Substrate: minter.address})).to.eq(50n);603    }604  });605606  ['transfer', 'transferCross'].map(testCase => itEth(`Cannot ${testCase} non-owned token`, async ({helper}) => {607    const sender = await helper.eth.createAccountWithBalance(donor);608    const tokenOwner = await helper.eth.createAccountWithBalance(donor);609    const receiverSub = minter;610    const receiverCrossSub = helper.ethCrossAccount.fromKeyringPair(minter);611612    const collection = await helper.rft.mintCollection(minter, {});613    const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);614    const collectionEvm = await helper.ethNativeContract.collection(collectionAddress, 'rft', sender);615616    await collection.mintToken(minter, 50n, {Ethereum: sender});617    const nonSendersToken = await collection.mintToken(minter, 50n, {Ethereum: tokenOwner});618619    // Cannot transferCross someone else's token:620    const receiver = testCase === 'transfer' ? helper.address.substrateToEth(receiverSub.address) : receiverCrossSub;621    await expect(collectionEvm.methods[testCase](receiver, nonSendersToken.tokenId).send({from: sender})).to.be.rejected;622    // Cannot transfer token if it does not exist:623    await expect(collectionEvm.methods[testCase](receiver, 999999).send({from: sender})).to.be.rejected;624  }));625626  itEth('transfer event on transfer from partial ownership to full ownership', async ({helper}) => {627    const caller = await helper.eth.createAccountWithBalance(donor);628    const receiver = helper.eth.createAccount();629    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(caller, 'Transferry-Partial-to-Full', '6', '6');630    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);631632    const result = await contract.methods.mint(caller).send();633    const tokenId = result.events.Transfer.returnValues.tokenId;634635    const tokenContract = await helper.ethNativeContract.rftTokenById(collectionId, tokenId, caller);636637    await tokenContract.methods.repartition(2).send();638    await tokenContract.methods.transfer(receiver, 1).send();639640    const events: any = [];641    contract.events.allEvents((_: any, event: any) => {642      events.push(event);643    });644645    await tokenContract.methods.transfer(receiver, 1).send();646    if (events.length == 0) await helper.wait.newBlocks(1);647    const event = events[0];648649    expect(event.address).to.equal(collectionAddress);650    expect(event.returnValues.from).to.equal('0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF');651    expect(event.returnValues.to).to.equal(receiver);652    expect(event.returnValues.tokenId).to.equal(tokenId.toString());653  });654655  itEth('transfer event on transfer from full ownership to partial ownership', async ({helper}) => {656    const caller = await helper.eth.createAccountWithBalance(donor);657    const receiver = helper.eth.createAccount();658    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(caller, 'Transferry-Full-to-Partial', '6', '6');659    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);660661    const result = await contract.methods.mint(caller).send();662    const tokenId = result.events.Transfer.returnValues.tokenId;663664    const tokenContract = await helper.ethNativeContract.rftTokenById(collectionId, tokenId, caller);665666    await tokenContract.methods.repartition(2).send();667668    const events: any = [];669    contract.events.allEvents((_: any, event: any) => {670      events.push(event);671    });672673    await tokenContract.methods.transfer(receiver, 1).send();674    if (events.length == 0) await helper.wait.newBlocks(1);675    const event = events[0];676677    expect(event.address).to.equal(collectionAddress);678    expect(event.returnValues.from).to.equal(caller);679    expect(event.returnValues.to).to.equal('0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF');680    expect(event.returnValues.tokenId).to.equal(tokenId.toString());681  });682});683684describe('RFT: Fees', () => {685  let donor: IKeyringPair;686687  before(async function() {688    await usingEthPlaygrounds(async (helper, privateKey) => {689      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);690691      donor = await privateKey({filename: __filename});692    });693  });694695  itEth('transferFrom() call fee is less than 0.2UNQ', async ({helper}) => {696    const caller = await helper.eth.createAccountWithBalance(donor);697    const receiver = helper.eth.createAccount();698    const {collectionAddress} = await helper.eth.createRFTCollection(caller, 'Feeful-Transfer-From', '6', '6');699    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);700701    const result = await contract.methods.mint(caller).send();702    const tokenId = result.events.Transfer.returnValues.tokenId;703704    const cost = await helper.eth.recordCallFee(caller, () => contract.methods.transferFrom(caller, receiver, tokenId).send());705    expect(cost < BigInt(0.2 * Number(helper.balance.getOneTokenNominal())));706    expect(cost > 0n);707  });708709  itEth('transfer() call fee is less than 0.2UNQ', async ({helper}) => {710    const caller = await helper.eth.createAccountWithBalance(donor);711    const receiver = helper.eth.createAccount();712    const {collectionAddress} = await helper.eth.createRFTCollection(caller, 'Feeful-Transfer', '6', '6');713    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);714715    const result = await contract.methods.mint(caller).send();716    const tokenId = result.events.Transfer.returnValues.tokenId;717718    const cost = await helper.eth.recordCallFee(caller, () => contract.methods.transfer(receiver, tokenId).send());719    expect(cost < BigInt(0.2 * Number(helper.balance.getOneTokenNominal())));720    expect(cost > 0n);721  });722});723724describe('Common metadata', () => {725  let donor: IKeyringPair;726  let alice: IKeyringPair;727728  before(async function() {729    await usingEthPlaygrounds(async (helper, privateKey) => {730      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);731732      donor = await privateKey({filename: __filename});733      [alice] = await helper.arrange.createAccounts([20n], donor);734    });735  });736737  itEth('Returns collection name', async ({helper}) => {738    const caller = helper.eth.createAccount();739    const tokenPropertyPermissions = [{740      key: 'URI',741      permission: {742        mutable: true,743        collectionAdmin: true,744        tokenOwner: false,745      },746    }];747    const collection = await helper.rft.mintCollection(748      alice,749      {750        name: 'Leviathan',751        tokenPrefix: '11',752        properties: [{key: 'ERC721Metadata', value: '1'}],753        tokenPropertyPermissions,754      },755    );756757    const contract = await helper.ethNativeContract.collectionById(collection.collectionId, 'rft', caller);758    const name = await contract.methods.name().call();759    expect(name).to.equal('Leviathan');760  });761762  itEth('Returns symbol name', async ({helper}) => {763    const caller = await helper.eth.createAccountWithBalance(donor);764    const tokenPropertyPermissions = [{765      key: 'URI',766      permission: {767        mutable: true,768        collectionAdmin: true,769        tokenOwner: false,770      },771    }];772    const {collectionId} = await helper.rft.mintCollection(773      alice,774      {775        name: 'Leviathan',776        tokenPrefix: '12',777        properties: [{key: 'ERC721Metadata', value: '1'}],778        tokenPropertyPermissions,779      },780    );781782    const contract = await helper.ethNativeContract.collectionById(collectionId, 'rft', caller);783    const symbol = await contract.methods.symbol().call();784    expect(symbol).to.equal('12');785  });786});787788describe('Negative tests', () => {789  let donor: IKeyringPair;790  let minter: IKeyringPair;791  let alice: IKeyringPair;792793  before(async function() {794    await usingEthPlaygrounds(async (helper, privateKey) => {795      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);796797      donor = await privateKey({filename: __filename});798      [minter, alice] = await helper.arrange.createAccounts([100n, 100n], donor);799    });800  });801802  itEth('[negative] Cant perform burn without approval', async ({helper}) => {803    const collection = await helper.rft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});804805    const owner = await helper.eth.createAccountWithBalance(donor, 100n);806    const spender = await helper.eth.createAccountWithBalance(donor, 100n);807808    const token = await collection.mintToken(minter, 100n, {Ethereum: owner});809810    const address = helper.ethAddress.fromCollectionId(collection.collectionId);811    const contract = await helper.ethNativeContract.collection(address, 'rft');812813    const ownerCross = helper.ethCrossAccount.fromAddress(owner);814815    await expect(contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: spender})).to.be.rejected;816817    await contract.methods.setApprovalForAll(spender, true).send({from: owner});818    await contract.methods.setApprovalForAll(spender, false).send({from: owner});819820    await expect(contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: spender})).to.be.rejected;821  });822823  itEth('[negative] Cant perform transfer without approval', async ({helper}) => {824    const collection = await helper.rft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});825    const owner = await helper.eth.createAccountWithBalance(donor, 100n);826    const receiver = alice;827828    const spender = await helper.eth.createAccountWithBalance(donor, 100n);829830    const token = await collection.mintToken(minter, 100n, {Ethereum: owner});831832    const address = helper.ethAddress.fromCollectionId(collection.collectionId);833    const contract = await helper.ethNativeContract.collection(address, 'rft');834835    const ownerCross = helper.ethCrossAccount.fromAddress(owner);836    const recieverCross = helper.ethCrossAccount.fromKeyringPair(receiver);837838    await expect(contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: spender})).to.be.rejected;839840    await contract.methods.setApprovalForAll(spender, true).send({from: owner});841    await contract.methods.setApprovalForAll(spender, false).send({from: owner});842843    await expect(contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: spender})).to.be.rejected;844  });845});
modifiedtests/src/eth/reFungibleToken.test.tsdiffbeforeafterboth
--- a/tests/src/eth/reFungibleToken.test.ts
+++ b/tests/src/eth/reFungibleToken.test.ts
@@ -19,51 +19,6 @@
 import {IKeyringPair} from '@polkadot/types/types';
 import {Contract} from 'web3-eth-contract';
 
-
-describe('Refungible token: Information getting', () => {
-  let donor: IKeyringPair;
-  let alice: IKeyringPair;
-
-  before(async function() {
-    await usingEthPlaygrounds(async (helper, privateKey) => {
-      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
-
-      donor = await privateKey({filename: __filename});
-      [alice] = await helper.arrange.createAccounts([20n], donor);
-    });
-  });
-
-  itEth('totalSupply', async ({helper}) => {
-    const caller = await helper.eth.createAccountWithBalance(donor);
-    const collection = await helper.rft.mintCollection(alice, {tokenPrefix: 'MUON'});
-    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: caller});
-
-    const contract = await helper.ethNativeContract.rftTokenById(collection.collectionId, tokenId, caller);
-    const totalSupply = await contract.methods.totalSupply().call();
-    expect(totalSupply).to.equal('200');
-  });
-
-  itEth('balanceOf', async ({helper}) => {
-    const caller = await helper.eth.createAccountWithBalance(donor);
-    const collection = await helper.rft.mintCollection(alice, {tokenPrefix: 'MUON'});
-    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: caller});
-
-    const contract = await helper.ethNativeContract.rftTokenById(collection.collectionId, tokenId, caller);
-    const balance = await contract.methods.balanceOf(caller).call();
-    expect(balance).to.equal('200');
-  });
-
-  itEth('decimals', async ({helper}) => {
-    const caller = await helper.eth.createAccountWithBalance(donor);
-    const collection = await helper.rft.mintCollection(alice, {tokenPrefix: 'MUON'});
-    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: caller});
-
-    const contract = await helper.ethNativeContract.rftTokenById(collection.collectionId, tokenId, caller);
-    const decimals = await contract.methods.decimals().call();
-    expect(decimals).to.equal('0');
-  });
-});
-
 // FIXME: Need erc721 for ReFubgible.
 describe('Check ERC721 token URI for ReFungible', () => {
   let donor: IKeyringPair;
addedtests/src/eth/tokens/callMethodsERC20.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/eth/tokens/callMethodsERC20.test.ts
@@ -0,0 +1,91 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {Pallets, requirePalletsOrSkip} from '../../util';
+import {expect, itEth, usingEthPlaygrounds} from '../util';
+import {IKeyringPair} from '@polkadot/types/types';
+
+[
+  {mode: 'ft' as const, requiredPallets: []},
+  {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+].map(testCase => {
+  describe(`${testCase.mode.toUpperCase()}: ERC-20 call methods`, () => {
+    let donor: IKeyringPair;
+
+    before(async function() {
+      await usingEthPlaygrounds(async (helper, privateKey) => {
+        requirePalletsOrSkip(this, helper, testCase.requiredPallets);
+        donor = await privateKey({filename: __filename});
+      });
+    });
+
+    itEth('totalSupply', async ({helper}) => {
+      const caller = await helper.eth.createAccountWithBalance(donor);
+      const mintingParams = testCase.mode === 'ft' ? [caller, 200n] : [caller];
+
+      const {collection, collectionId} = await helper.eth.createCollection(testCase.mode, caller, 'TotalSupply', '6', '6');
+      if (testCase.mode === 'rft') await collection.methods.mint(caller).send({from: caller});
+
+      // Use collection contract for FT or token contract for RFT:
+      const contract = testCase.mode === 'ft'
+        ? collection
+        : await helper.ethNativeContract.rftTokenById(collectionId, 1, caller);
+
+      // Mint tokens:
+      testCase.mode === 'ft'
+        ? await contract.methods.mint(...mintingParams).send({from: caller})
+        : await contract.methods.repartition(200).send({from: caller});
+
+      const totalSupply = await contract.methods.totalSupply().call();
+      expect(totalSupply).to.equal('200');
+    });
+
+    itEth('balanceOf', async ({helper}) => {
+      const caller = await helper.eth.createAccountWithBalance(donor);
+      const mintingParams = testCase.mode === 'ft' ? [caller, 200n] : [caller];
+
+      const {collection, collectionId} = await helper.eth.createCollection(testCase.mode, caller, 'BalanceOf', 'Descroption', 'Prefix');
+      if (testCase.mode === 'rft') await collection.methods.mint(caller).send({from: caller});
+
+      // Use collection contract for FT or token contract for RFT:
+      const contract = testCase.mode === 'ft'
+        ? collection
+        : await helper.ethNativeContract.rftTokenById(collectionId, 1, caller);
+
+      // Mint tokens:
+      testCase.mode === 'ft'
+        ? await contract.methods.mint(...mintingParams).send({from: caller})
+        : await contract.methods.repartition(200).send({from: caller});
+
+      const balance = await contract.methods.balanceOf(caller).call();
+      expect(balance).to.equal('200');
+    });
+
+    itEth('decimals', async ({helper}) => {
+      const caller = await helper.eth.createAccountWithBalance(donor);
+      const {collection, collectionId} = await helper.eth.createCollection(testCase.mode, caller, 'BalanceOf', 'Descroption', 'Prefix');
+      if (testCase.mode === 'rft') await collection.methods.mint(caller).send({from: caller});
+
+      // Use collection contract for FT or token contract for RFT:
+      const contract = testCase.mode === 'ft'
+        ? collection
+        : await helper.ethNativeContract.rftTokenById(collectionId, 1, caller);
+
+      const decimals = await contract.methods.decimals().call();
+      expect(decimals).to.equal(testCase.mode === 'rft' ? '0' : '18');
+    });
+  });
+});
\ No newline at end of file
addedtests/src/eth/tokens/callMethodsERC721.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/eth/tokens/callMethodsERC721.test.ts
@@ -0,0 +1,143 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {Pallets} from '../../util';
+import {expect, itEth, usingEthPlaygrounds} from '../util';
+import {IKeyringPair} from '@polkadot/types/types';
+
+
+describe('ERC-721 call methods', () => {
+  let donor: IKeyringPair;
+
+  before(async function() {
+    await usingEthPlaygrounds(async (helper, privateKey) => {
+      donor = await privateKey({filename: __filename});
+    });
+  });
+
+  [
+    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+    {mode: 'nft' as const, requiredPallets: []},
+  ].map(testCase => {
+    itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: name/symbol/description`, testCase.requiredPallets, async ({helper}) => {
+      const callerEth = await helper.eth.createAccountWithBalance(donor);
+      const [callerSub] = await helper.arrange.createAccounts([100n], donor);
+      const [name, description, tokenPrefix] = ['Name', 'Description', 'Symbol'];
+
+      const {collection: collectionEth} = await helper.eth.createCollection(testCase.mode, callerEth, name, description, tokenPrefix);
+      await collectionEth.methods.mint(callerEth).send({from: callerEth});
+      const {collectionId} = await helper[testCase.mode].mintCollection(callerSub, {name, description, tokenPrefix});
+      const collectionSub = await helper.ethNativeContract.collectionById(collectionId, testCase.mode, callerEth);
+
+      // Can get name/symbol/description for Eth collection
+      expect(await collectionEth.methods.name().call()).to.eq(name);
+      expect(await collectionEth.methods.symbol().call()).to.eq(tokenPrefix);
+      expect(await collectionEth.methods.description().call()).to.eq(description);
+      // Can get name/symbol/description for Sub collection
+      expect(await collectionSub.methods.name().call()).to.eq(name);
+      expect(await collectionSub.methods.symbol().call()).to.eq(tokenPrefix);
+      expect(await collectionSub.methods.description().call()).to.eq(description);
+    });
+  });
+
+  [
+    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+    {mode: 'nft' as const, requiredPallets: []},
+  ].map(testCase => {
+    itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: totalSupply`, testCase.requiredPallets, async ({helper}) => {
+      const caller = await helper.eth.createAccountWithBalance(donor);
+
+      const {collection} = await helper.eth.createCollection(testCase.mode, caller, 'TotalSupply', '6', '6');
+      await collection.methods.mint(caller).send({from: caller});
+
+      const totalSupply = await collection.methods.totalSupply().call();
+      expect(totalSupply).to.equal('1');
+    });
+  });
+
+  [
+    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+    {mode: 'nft' as const, requiredPallets: []},
+  ].map(testCase => {
+    itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: balanceOf`, testCase.requiredPallets, async ({helper}) => {
+      const caller = await helper.eth.createAccountWithBalance(donor);
+
+      const {collection} = await helper.eth.createCollection(testCase.mode, caller, 'BalanceOf', 'Descroption', 'Prefix');
+      await collection.methods.mint(caller).send({from: caller});
+      await collection.methods.mint(caller).send({from: caller});
+      await collection.methods.mint(caller).send({from: caller});
+
+      const balance = await collection.methods.balanceOf(caller).call();
+      expect(balance).to.equal('3');
+    });
+  });
+
+  [
+    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+    {mode: 'nft' as const, requiredPallets: []},
+  ].map(testCase => {
+    itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: ownerOf`, testCase.requiredPallets, async ({helper}) => {
+      const caller = await helper.eth.createAccountWithBalance(donor);
+      const {collection} = await helper.eth.createCollection(testCase.mode, caller, 'OwnerOf', '6', '6');
+
+      const result = await collection.methods.mint(caller).send();
+      const tokenId = result.events.Transfer.returnValues.tokenId;
+
+      const owner = await collection.methods.ownerOf(tokenId).call();
+      expect(owner).to.equal(caller);
+    });
+  });
+
+  [
+    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+    // TODO {mode: 'nft' as const, requiredPallets: []},
+  ].map(testCase => {
+    itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: ownerOf after burn`, testCase.requiredPallets, async ({helper}) => {
+      const caller = await helper.eth.createAccountWithBalance(donor);
+      const receiver = helper.eth.createAccount();
+      const {collection, collectionId} = await helper.eth.createCollection(testCase.mode, caller, 'OwnerOf-AfterBurn', '6', '6');
+
+      const result = await collection.methods.mint(caller).send();
+      const tokenId = result.events.Transfer.returnValues.tokenId;
+      const tokenContract = await helper.ethNativeContract.rftTokenById(collectionId, tokenId, caller, true);
+
+      await tokenContract.methods.repartition(2).send();
+      await tokenContract.methods.transfer(receiver, 1).send();
+
+      await tokenContract.methods.burnFrom(caller, 1).send();
+
+      const owner = await collection.methods.ownerOf(tokenId).call();
+      expect(owner).to.equal(receiver);
+    });
+  });
+
+  itEth.ifWithPallets('RFT: ownerOf for partial ownership', [Pallets.ReFungible], async ({helper}) => {
+    const caller = await helper.eth.createAccountWithBalance(donor);
+    const receiver = helper.eth.createAccount();
+    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(caller, 'Partial-OwnerOf', '6', '6');
+    const contract = await helper.ethNativeContract.collection(collectionAddress, 'rft', caller);
+
+    const result = await contract.methods.mint(caller).send();
+    const tokenId = result.events.Transfer.returnValues.tokenId;
+    const tokenContract = await helper.ethNativeContract.rftTokenById(collectionId, tokenId, caller);
+
+    await tokenContract.methods.repartition(2).send();
+    await tokenContract.methods.transfer(receiver, 1).send();
+
+    const owner = await contract.methods.ownerOf(tokenId).call();
+    expect(owner).to.equal('0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF');
+  });
+});
addedtests/src/eth/tokens/minting.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/eth/tokens/minting.test.ts
@@ -0,0 +1,167 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {IKeyringPair} from '@polkadot/types/types';
+import {Pallets} from '../../util';
+import {expect, itEth, usingEthPlaygrounds} from '../util';
+
+
+describe('Minting tokens', () => {
+  let donor: IKeyringPair;
+  let alice: IKeyringPair;
+
+  before(async function() {
+    await usingEthPlaygrounds(async (helper, privateKey) => {
+      donor = await privateKey({filename: __filename});
+      [alice] = await helper.arrange.createAccounts([30n, 20n], donor);
+    });
+  });
+
+  [
+    {mode: 'nft' as const, requiredPallets: []},
+    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+    {mode: 'ft' as const, requiredPallets: []},
+  ].map(testCase => {
+    itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: Can mint() for Substrate collection`, testCase.requiredPallets, async ({helper}) => {
+      const owner = await helper.eth.createAccountWithBalance(donor);
+      const receiver = helper.eth.createAccount();
+      const mintingParams = testCase.mode === 'ft' ? [receiver, 100] : [receiver];
+
+      const collection = await helper[testCase.mode].mintCollection(alice);
+      await collection.addAdmin(alice, {Ethereum: owner});
+
+      const collectionAddress = helper.ethAddress.fromCollectionId(collection.collectionId);
+      const contract = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
+
+      const result = await contract.methods.mint(...mintingParams).send({from: owner});
+
+      // Check events:
+      const event = result.events.Transfer;
+      expect(event.address).to.equal(collectionAddress);
+      expect(event.returnValues.from).to.equal('0x0000000000000000000000000000000000000000');
+      expect(event.returnValues.to).to.equal(receiver);
+      if (testCase.mode === 'ft')
+        expect(event.returnValues.value).to.equal('100');
+
+      // Check token exist:
+      if(testCase.mode === 'ft') {
+        expect(await helper.ft.getBalance(collection.collectionId, {Ethereum: receiver})).to.eq(100n);
+      } else {
+        const tokenId = event.returnValues.tokenId;
+        expect(tokenId).to.be.equal('1');
+        expect(await helper.collection.getLastTokenId(collection.collectionId)).to.eq(1);
+        expect(await contract.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
+      }
+    });
+  });
+
+  [
+    {mode: 'nft' as const, requiredPallets: []},
+    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+    {mode: 'ft' as const, requiredPallets: []},
+  ].map(testCase => {
+    itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: Can mint() for Ethereum collection`, testCase.requiredPallets, async ({helper}) => {
+      const owner = await helper.eth.createAccountWithBalance(donor);
+      const receiver = helper.eth.createAccount();
+      const mintingParams = testCase.mode === 'ft' ? [receiver, 100] : [receiver];
+
+      const {collection, collectionAddress, collectionId} = await helper.eth.createCollection(testCase.mode, owner, 'Name', 'Desc', 'Prefix');
+
+      const result = await collection.methods.mint(...mintingParams).send({from: owner});
+
+      // Check events:
+      const event = result.events.Transfer;
+      expect(event.address).to.equal(collectionAddress);
+      expect(event.returnValues.from).to.equal('0x0000000000000000000000000000000000000000');
+      expect(event.returnValues.to).to.equal(receiver);
+      if (testCase.mode === 'ft')
+        expect(event.returnValues.value).to.equal('100');
+
+      // Check token exist:
+      if(testCase.mode === 'ft') {
+        expect(await helper.ft.getBalance(collectionId, {Ethereum: receiver})).to.eq(100n);
+      } else {
+        const tokenId = event.returnValues.tokenId;
+        expect(tokenId).to.be.equal('1');
+        expect(await helper.collection.getLastTokenId(collectionId)).to.eq(1);
+        expect(await collection.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
+      }
+    });
+  });
+
+  [
+    {mode: 'nft' as const, requiredPallets: []},
+    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+    {mode: 'ft' as const, requiredPallets: []},
+  ].map(testCase => {
+    itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: Can mint() for Ethereum collection`, testCase.requiredPallets, async ({helper}) => {
+      const owner = await helper.eth.createAccountWithBalance(donor);
+      const receiver = helper.eth.createAccount();
+      const mintingParams = testCase.mode === 'ft' ? [receiver, 100] : [receiver];
+
+      const {collection, collectionAddress, collectionId} = await helper.eth.createCollection(testCase.mode, owner, 'Name', 'Desc', 'Prefix');
+
+      const result = await collection.methods.mint(...mintingParams).send({from: owner});
+
+      // Check events:
+      const event = result.events.Transfer;
+      expect(event.address).to.equal(collectionAddress);
+      expect(event.returnValues.from).to.equal('0x0000000000000000000000000000000000000000');
+      expect(event.returnValues.to).to.equal(receiver);
+      if (testCase.mode === 'ft')
+        expect(event.returnValues.value).to.equal('100');
+
+      // Check token exist:
+      if(testCase.mode === 'ft') {
+        expect(await helper.ft.getBalance(collectionId, {Ethereum: receiver})).to.eq(100n);
+      } else {
+        const tokenId = event.returnValues.tokenId;
+        expect(tokenId).to.be.equal('1');
+        expect(await helper.collection.getLastTokenId(collectionId)).to.eq(1);
+        expect(await collection.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
+      }
+    });
+  });
+
+  [
+    {mode: 'nft' as const, requiredPallets: []},
+    {mode: 'rft' as const, requiredPallets: [Pallets.ReFungible]},
+  ].map(testCase => {
+    itEth.ifWithPallets(`${testCase.mode.toUpperCase()}: Can mintWithTokenURI() for Ethereum collection`, testCase.requiredPallets, async ({helper}) => {
+      const owner = await helper.eth.createAccountWithBalance(donor);
+      const receiver = helper.eth.createAccount();
+
+      const {collectionAddress} = await helper.eth.createERC721MetadataCompatibleNFTCollection(owner, 'Mint collection', '6', '6', '');
+      const contract = await helper.ethNativeContract.collection(collectionAddress, testCase.mode, owner);
+
+      const result = await contract.methods.mintWithTokenURI(receiver, 'Test URI').send();
+      const tokenId = result.events.Transfer.returnValues.tokenId;
+      expect(tokenId).to.be.equal('1');
+
+      const event = result.events.Transfer;
+      expect(event.address).to.be.equal(collectionAddress);
+      expect(event.returnValues.from).to.be.equal('0x0000000000000000000000000000000000000000');
+      expect(event.returnValues.to).to.be.equal(receiver);
+
+      expect(await contract.methods.tokenURI(tokenId).call()).to.be.equal('Test URI');
+      expect(await contract.methods.crossOwnerOf(tokenId).call()).to.be.like([receiver, '0']);
+      // TODO: this wont work right now, need release 919000 first
+      // await helper.methods.setOffchainSchema(collectionIdAddress, 'https://offchain-service.local/token-info/{id}').send();
+      // const tokenUri = await contract.methods.tokenURI(nextTokenId).call();
+      // expect(tokenUri).to.be.equal(`https://offchain-service.local/token-info/${nextTokenId}`);
+    });
+  });
+});
\ No newline at end of file
modifiedtests/src/eth/util/playgrounds/unique.dev.tsdiffbeforeafterboth
--- a/tests/src/eth/util/playgrounds/unique.dev.ts
+++ b/tests/src/eth/util/playgrounds/unique.dev.ts
@@ -257,7 +257,7 @@
     }
   }
 
-  async createCollection(mode: TCollectionMode, signer: string, name: string, description: string, tokenPrefix: string, decimals = 18): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[] }> {
+  async createCollection(mode: TCollectionMode, signer: string, name: string, description: string, tokenPrefix: string, decimals = 18, mergeDeprecated = false): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[], collection: Contract }> {
     const collectionCreationPrice = this.helper.balance.getCollectionCreationPrice();
     const collectionHelper = await this.helper.ethNativeContract.collectionHelpers(signer);
     const functionName: string = this.createCollectionMethodName(mode);
@@ -268,8 +268,9 @@
     const collectionAddress = this.helper.ethAddress.normalizeAddress(result.events.CollectionCreated.returnValues.collectionId);
     const collectionId = this.helper.ethAddress.extractCollectionId(collectionAddress);
     const events = this.helper.eth.normalizeEvents(result.events);
+    const collection = await this.helper.ethNativeContract.collectionById(collectionId, mode, signer, mergeDeprecated);
 
-    return {collectionId, collectionAddress, events};
+    return {collectionId, collectionAddress, events, collection};
   }
 
   createNFTCollection(signer: string, name: string, description: string, tokenPrefix: string): Promise<{ collectionId: number, collectionAddress: string, events: NormalizedEvent[] }> {
modifiedtests/src/nesting/nest.test.tsdiffbeforeafterboth
--- a/tests/src/nesting/nest.test.ts
+++ b/tests/src/nesting/nest.test.ts
@@ -15,7 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {IKeyringPair} from '@polkadot/types/types';
-import {expect, itSub, Pallets, usingPlaygrounds} from '../util';
+import {expect, itSub, usingPlaygrounds} from '../util';
 
 describe('Integration Test: Composite nesting tests', () => {
   let alice: IKeyringPair;
@@ -287,54 +287,7 @@
     await collectionFT.mint(charlie, 5n);
     await collectionFT.transfer(charlie, targetToken.nestingAccount(), 2n);
     expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(7n);
-  });
-
-  // ---------- Re-Fungible ----------
-
-  itSub.ifWithPallets('ReFungible: allows an Owner to nest/unnest their token', [Pallets.ReFungible], async ({helper}) => {
-    const collectionNFT = await helper.nft.mintCollection(alice, {permissions: {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true}}});
-    const collectionRFT = await helper.rft.mintCollection(alice);
-    const targetToken = await collectionNFT.mintToken(alice, {Substrate: charlie.address});
-
-    await collectionNFT.addToAllowList(alice, {Substrate: charlie.address});
-    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());
-
-    await collectionRFT.setPermissions(alice, {access: 'AllowList', mintMode: true});
-    await collectionRFT.addToAllowList(alice, {Substrate: charlie.address});
-    await collectionRFT.addToAllowList(alice, targetToken.nestingAccount());
-
-    // Create an immediately nested token
-    const nestedToken = await collectionRFT.mintToken(charlie, 5n, targetToken.nestingAccount());
-    expect(await nestedToken.getBalance(targetToken.nestingAccount())).to.be.equal(5n);
-
-    // Create a token to be nested and nest
-    const newToken = await collectionRFT.mintToken(charlie, 5n);
-    await newToken.transfer(charlie, targetToken.nestingAccount(), 2n);
-    expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(2n);
   });
-
-  itSub.ifWithPallets('ReFungible: allows an Owner to nest/unnest their token (Restricted nesting)', [Pallets.ReFungible], async ({helper}) => {
-    const collectionNFT = await helper.nft.mintCollection(alice);
-    const collectionRFT = await helper.rft.mintCollection(alice);
-    const targetToken = await collectionNFT.mintToken(alice, {Substrate: charlie.address});
-
-    await collectionNFT.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true, restricted:[collectionRFT.collectionId]}});
-    await collectionNFT.addToAllowList(alice, {Substrate: charlie.address});
-    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());
-
-    await collectionRFT.setPermissions(alice, {access: 'AllowList', mintMode: true});
-    await collectionRFT.addToAllowList(alice, {Substrate: charlie.address});
-    await collectionRFT.addToAllowList(alice, targetToken.nestingAccount());
-
-    // Create an immediately nested token
-    const nestedToken = await collectionRFT.mintToken(charlie, 5n, targetToken.nestingAccount());
-    expect(await nestedToken.getBalance(targetToken.nestingAccount())).to.be.equal(5n);
-
-    // Create a token to be nested and nest
-    const newToken = await collectionRFT.mintToken(charlie, 5n);
-    await newToken.transfer(charlie, targetToken.nestingAccount(), 2n);
-    expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(2n);
-  });
 });
 
 describe('Negative Test: Nesting', () => {
@@ -579,89 +532,5 @@
 
     expect(await collectionFT.getBalance(targetToken.nestingAccount())).to.be.equal(0n);
     expect(await collectionFT.getBalance({Substrate: alice.address})).to.be.equal(5n);
-  });
-
-  // ---------- Re-Fungible ----------
-
-  itSub.ifWithPallets('ReFungible: disallows to nest token if nesting is disabled', [Pallets.ReFungible], async ({helper}) => {
-    const collectionNFT = await helper.nft.mintCollection(alice);
-    const collectionRFT = await helper.rft.mintCollection(alice);
-    const targetToken = await collectionNFT.mintToken(alice);
-
-    // Try to create an immediately nested token
-    await expect(collectionRFT.mintToken(alice, 5n, targetToken.nestingAccount()))
-      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);
-
-    // Try to create a token to be nested and nest
-    const token = await collectionRFT.mintToken(alice, 5n);
-    await expect(token.transfer(alice, targetToken.nestingAccount(), 2n))
-      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(5n);
-  });
-
-  itSub.ifWithPallets('ReFungible: disallows a non-Owner to nest someone else\'s token', [Pallets.ReFungible], async ({helper}) => {
-    const collectionNFT = await helper.nft.mintCollection(alice);
-    const collectionRFT = await helper.rft.mintCollection(alice);
-    const targetToken = await collectionNFT.mintToken(alice);
-
-    await collectionNFT.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true}});
-    await collectionNFT.addToAllowList(alice, {Substrate: bob.address});
-    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());
-
-    // Try to create a token to be nested and nest
-    const newToken = await collectionRFT.mintToken(alice);
-    await expect(newToken.transfer(bob, targetToken.nestingAccount())).to.be.rejectedWith(/common\.TokenValueTooLow/);
-
-    expect(await targetToken.getChildren()).to.be.length(0);
-    expect(await newToken.getBalance({Substrate: alice.address})).to.be.equal(1n);
-
-    // Nest some tokens as Alice into Bob's token
-    await newToken.transfer(alice, targetToken.nestingAccount());
-
-    // Try to pull it out
-    await expect(newToken.transferFrom(bob, targetToken.nestingAccount(), {Substrate: alice.address}, 1n))
-      .to.be.rejectedWith(/common\.ApprovedValueTooLow/);
-    expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(1n);
-  });
-
-  itSub.ifWithPallets('ReFungible: disallows a non-Owner to nest someone else\'s token (Restricted nesting)', [Pallets.ReFungible], async ({helper}) => {
-    const collectionNFT = await helper.nft.mintCollection(alice);
-    const collectionRFT = await helper.rft.mintCollection(alice);
-    const targetToken = await collectionNFT.mintToken(alice);
-
-    await collectionNFT.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true, restricted: [collectionRFT.collectionId]}});
-    await collectionNFT.addToAllowList(alice, {Substrate: bob.address});
-    await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());
-
-    // Try to create a token to be nested and nest
-    const newToken = await collectionRFT.mintToken(alice);
-    await expect(newToken.transfer(bob, targetToken.nestingAccount())).to.be.rejectedWith(/common\.TokenValueTooLow/);
-
-    expect(await targetToken.getChildren()).to.be.length(0);
-    expect(await newToken.getBalance({Substrate: alice.address})).to.be.equal(1n);
-
-    // Nest some tokens as Alice into Bob's token
-    await newToken.transfer(alice, targetToken.nestingAccount());
-
-    // Try to pull it out
-    await expect(newToken.transferFrom(bob, targetToken.nestingAccount(), {Substrate: alice.address}, 1n))
-      .to.be.rejectedWith(/common\.ApprovedValueTooLow/);
-    expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(1n);
-  });
-
-  itSub.ifWithPallets('ReFungible: disallows to nest token to an unlisted collection', [Pallets.ReFungible], async ({helper}) => {
-    const collectionNFT = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true, restricted: []}}});
-    const collectionRFT = await helper.rft.mintCollection(alice);
-    const targetToken = await collectionNFT.mintToken(alice);
-
-    // Try to create an immediately nested token
-    await expect(collectionRFT.mintToken(alice, 5n, targetToken.nestingAccount()))
-      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);
-
-    // Try to create a token to be nested and nest
-    const token = await collectionRFT.mintToken(alice, 5n);
-    await expect(token.transfer(alice, targetToken.nestingAccount(), 2n))
-      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(5n);
   });
 });
modifiedtests/src/refungible.test.tsdiffbeforeafterboth
--- a/tests/src/refungible.test.ts
+++ b/tests/src/refungible.test.ts
@@ -88,20 +88,6 @@
     expect((await token.getTop10Owners()).length).to.be.equal(10);
   });
 
-  itSub('Transfer token pieces', async ({helper}) => {
-    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
-    const token = await collection.mintToken(alice, 100n);
-
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(100n);
-    expect(await token.transfer(alice, {Substrate: bob.address}, 60n)).to.be.true;
-
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(40n);
-    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(60n);
-
-    await expect(token.transfer(alice, {Substrate: bob.address}, 41n))
-      .to.eventually.be.rejectedWith(/common\.TokenValueTooLow/);
-  });
-
   itSub('Create multiple tokens', async ({helper}) => {
     const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
     // TODO: fix mintMultipleTokens
@@ -118,56 +104,8 @@
     const lastTokenId = await collection.getLastTokenId();
     expect(lastTokenId).to.be.equal(3);
     expect(await collection.getTokenBalance(lastTokenId, {Substrate: alice.address})).to.be.equal(100n);
-  });
-
-  itSub('Burn some pieces', async ({helper}) => {
-    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
-    const token = await collection.mintToken(alice, 100n);
-    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(100n);
-    expect(await token.burn(alice, 99n)).to.be.true;
-    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(1n);
   });
 
-  itSub('Burn all pieces', async ({helper}) => {
-    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
-    const token = await collection.mintToken(alice, 100n);
-
-    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(100n);
-
-    expect(await token.burn(alice, 100n)).to.be.true;
-    expect(await collection.doesTokenExist(token.tokenId)).to.be.false;
-  });
-
-  itSub('Burn some pieces for multiple users', async ({helper}) => {
-    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
-    const token = await collection.mintToken(alice, 100n);
-
-    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
-
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(100n);
-    expect(await token.transfer(alice, {Substrate: bob.address}, 60n)).to.be.true;
-
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(40n);
-    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(60n);
-
-    expect(await token.burn(alice, 40n)).to.be.true;
-
-    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(0n);
-
-    expect(await token.burn(bob, 59n)).to.be.true;
-
-    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(1n);
-    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
-
-    expect(await token.burn(bob, 1n)).to.be.true;
-
-    expect(await collection.doesTokenExist(token.tokenId)).to.be.false;
-  });
-
   itSub('Set allowance for token', async ({helper}) => {
     const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
     const token = await collection.mintToken(alice, 100n);
@@ -183,68 +121,6 @@
     expect(await token.getApprovedPieces({Substrate: alice.address}, {Substrate: bob.address})).to.be.equal(40n);
   });
 
-  itSub('Repartition', async ({helper}) => {
-    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
-    const token = await collection.mintToken(alice, 100n);
-
-    expect(await token.repartition(alice, 200n)).to.be.true;
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(200n);
-    expect(await token.getTotalPieces()).to.be.equal(200n);
-
-    expect(await token.transfer(alice, {Substrate: bob.address}, 110n)).to.be.true;
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(90n);
-    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(110n);
-
-    await expect(token.repartition(alice, 80n))
-      .to.eventually.be.rejectedWith(/refungible\.RepartitionWhileNotOwningAllPieces/);
-
-    expect(await token.transfer(alice, {Substrate: bob.address}, 90n)).to.be.true;
-    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(0n);
-    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(200n);
-
-    expect(await token.repartition(bob, 150n)).to.be.true;
-    await expect(token.transfer(bob, {Substrate: alice.address}, 160n))
-      .to.eventually.be.rejectedWith(/common\.TokenValueTooLow/);
-  });
-
-  itSub('Repartition with increased amount', async ({helper}) => {
-    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
-    const token = await collection.mintToken(alice, 100n);
-    await token.repartition(alice, 200n);
-    const chainEvents = helper.chainLog.slice(-1)[0].events;
-    const event = chainEvents.find((event: any) => event.section === 'common' && event.method === 'ItemCreated');
-    expect(event).to.deep.include({
-      section: 'common',
-      method: 'ItemCreated',
-      index: [66, 2],
-      data: [
-        collection.collectionId,
-        token.tokenId,
-        {substrate: alice.address},
-        100n,
-      ],
-    });
-  });
-
-  itSub('Repartition with decreased amount', async ({helper}) => {
-    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
-    const token = await collection.mintToken(alice, 100n);
-    await token.repartition(alice, 50n);
-    const chainEvents = helper.chainLog.slice(-1)[0].events;
-    const event = chainEvents.find((event: any) => event.section === 'common' && event.method === 'ItemDestroyed');
-    expect(event).to.deep.include({
-      section: 'common',
-      method: 'ItemDestroyed',
-      index: [66, 3],
-      data: [
-        collection.collectionId,
-        token.tokenId,
-        {substrate: alice.address},
-        50n,
-      ],
-    });
-  });
-
   itSub('Create new collection with properties', async ({helper}) => {
     const properties = [{key: 'key1', value: 'val1'}];
     const tokenPropertyPermissions = [{key: 'key1', permission: {tokenOwner: true, mutable: false, collectionAdmin: true}}];
@@ -252,46 +128,5 @@
     const info = await collection.getData();
     expect(info?.raw.properties).to.be.deep.equal(properties);
     expect(info?.raw.tokenPropertyPermissions).to.be.deep.equal(tokenPropertyPermissions);
-  });
-});
-
-describe('Refungible negative tests', () => {
-  let donor: IKeyringPair;
-  let alice: IKeyringPair;
-  let bob: IKeyringPair;
-  let charlie: IKeyringPair;
-
-  before(async function() {
-    await usingPlaygrounds(async (helper, privateKey) => {
-      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
-
-      donor = await privateKey({filename: __filename});
-      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
-    });
-  });
-
-  itSub('Cannot transfer incorrect amount of token pieces', async ({helper}) => {
-    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
-    const tokenAlice = await collection.mintToken(alice, 10n, {Substrate: alice.address});
-    const tokenBob = await collection.mintToken(alice, 10n, {Substrate: bob.address});
-
-    // 1. Alice cannot transfer Bob's token:
-    await expect(tokenBob.transfer(alice, {Substrate: charlie.address}, 0n)).to.be.rejectedWith('common.TokenValueTooLow');
-    await expect(tokenBob.transfer(alice, {Substrate: charlie.address}, 1n)).to.be.rejectedWith('common.TokenValueTooLow');
-    await expect(tokenBob.transfer(alice, {Substrate: charlie.address}, 10n)).to.be.rejectedWith('common.TokenValueTooLow');
-    await expect(tokenBob.transfer(alice, {Substrate: charlie.address}, 100n)).to.be.rejectedWith('common.TokenValueTooLow');
-
-    // 2. Alice cannot transfer non-existing token:
-    await expect(collection.transferToken(alice, 100, {Substrate: charlie.address}, 0n)).to.be.rejectedWith('common.TokenValueTooLow');
-    await expect(collection.transferToken(alice, 100, {Substrate: charlie.address}, 1n)).to.be.rejectedWith('common.TokenValueTooLow');
-
-    // 3. Zero transfer allowed (EIP-20):
-    await tokenAlice.transfer(alice, {Substrate: charlie.address}, 0n);
-
-    expect(await tokenAlice.getTop10Owners()).to.deep.eq([{Substrate: alice.address}]);
-    expect(await tokenBob.getTop10Owners()).to.deep.eq([{Substrate: bob.address}]);
-    expect(await tokenAlice.getBalance({Substrate: alice.address})).to.eq(10n);
-    expect(await tokenBob.getBalance({Substrate: bob.address})).to.eq(10n);
-    expect(await tokenBob.getBalance({Substrate: charlie.address})).to.eq(0n);
   });
 });
addedtests/src/sub/refungible/burn.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/sub/refungible/burn.test.ts
@@ -0,0 +1,127 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {IKeyringPair} from '@polkadot/types/types';
+import {itSub, Pallets, requirePalletsOrSkip, usingPlaygrounds, expect} from '../../util';
+
+describe('Refungible: burn', () => {
+  let donor: IKeyringPair;
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
+  before(async function() {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
+
+      donor = await privateKey({filename: __filename});
+      [alice, bob] = await helper.arrange.createAccounts([100n, 10n], donor);
+    });
+  });
+
+  itSub('can burn some pieces', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
+    const token = await collection.mintToken(alice, 100n);
+    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(100n);
+    await token.burn(alice, 99n);
+    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(1n);
+  });
+
+  itSub('can burn all pieces', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
+    const token = await collection.mintToken(alice, 100n);
+
+    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(100n);
+
+    await token.burn(alice, 100n);
+    expect(await collection.doesTokenExist(token.tokenId)).to.be.false;
+  });
+
+  itSub('burn pieces for multiple users', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
+    const token = await collection.mintToken(alice, 100n);
+
+    await token.transfer(alice, {Substrate: bob.address}, 60n);
+
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(40n);
+    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(60n);
+
+    await token.burn(alice, 40n);
+
+    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(0n);
+
+    await token.burn(bob, 59n);
+
+    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(1n);
+    expect(await collection.doesTokenExist(token.tokenId)).to.be.true;
+
+    await token.burn(bob, 1n);
+
+    expect(await collection.doesTokenExist(token.tokenId)).to.be.false;
+  });
+
+  itSub('burn pieces by admin', async function({helper}) {
+    const collection = await helper.rft.mintCollection(alice);
+    await collection.setLimits(alice, {ownerCanTransfer: true});
+    await collection.addAdmin(alice, {Substrate: bob.address});
+    const token = await collection.mintToken(alice, 100n);
+
+    await token.burnFrom(bob, {Substrate: alice.address}, 100n);
+    expect(await token.doesExist()).to.be.false;
+  });
+});
+
+describe('Refungible: burn negative tests', () => {
+  let donor: IKeyringPair;
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
+  before(async function() {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
+      donor = await privateKey({filename: __filename});
+      [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);
+    });
+  });
+
+  itSub('cannot burn non-owned token pieces', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice);
+    const aliceToken = await collection.mintToken(alice, 10n, {Substrate: alice.address});
+    const bobToken = await collection.mintToken(alice, 10n, {Substrate: bob.address});
+
+    // 1. Cannot burn non-owned token:
+    await expect(bobToken.burn(alice, 0n)).to.be.rejectedWith('common.TokenValueTooLow');
+    await expect(bobToken.burn(alice, 5n)).to.be.rejectedWith('common.TokenValueTooLow');
+    // 2. Cannot burn non-existing token:
+    await expect(helper.rft.burnToken(alice, 99999, 10)).to.be.rejectedWith('common.CollectionNotFound');
+    await expect(helper.rft.burnToken(alice, collection.collectionId, 99999)).to.be.rejectedWith('common.TokenValueTooLow');
+    // 3. Can burn zero amount of owned tokens (EIP-20)
+    await aliceToken.burn(alice, 0n);
+
+    // 4. Storage is not corrupted:
+    expect(await aliceToken.getTop10Owners()).to.deep.eq([{Substrate: alice.address}]);
+    expect(await bobToken.getTop10Owners()).to.deep.eq([{Substrate: bob.address}]);
+
+    // 4.1 Tokens can be transfered:
+    await aliceToken.transfer(alice, {Substrate: bob.address}, 10n);
+    await bobToken.transfer(bob, {Substrate: alice.address}, 10n);
+    expect(await aliceToken.getTop10Owners()).to.deep.eq([{Substrate: bob.address}]);
+    expect(await bobToken.getTop10Owners()).to.deep.eq([{Substrate: alice.address}]);
+  });
+});
addedtests/src/sub/refungible/nesting.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/sub/refungible/nesting.test.ts
@@ -0,0 +1,180 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {IKeyringPair} from '@polkadot/types/types';
+import {expect, itSub, Pallets, requirePalletsOrSkip, usingPlaygrounds} from '../../util';
+
+describe('Refungible nesting', () => {
+  let alice: IKeyringPair;
+  let charlie: IKeyringPair;
+
+  before(async function() {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
+      const donor = await privateKey({filename: __filename});
+      [alice, charlie] = await helper.arrange.createAccounts([50n, 10n], donor);
+    });
+  });
+
+  [
+    {restrictedMode: true},
+    {restrictedMode: false},
+  ].map(testCase => {
+    itSub(`Owner can nest their token${testCase.restrictedMode ? ': Restricted mode' : ''}`, async ({helper}) => {
+      const collectionNFT = await helper.nft.mintCollection(alice, {permissions: {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true}}});
+      const collectionRFT = await helper.rft.mintCollection(alice);
+      const targetToken = await collectionNFT.mintToken(alice, {Substrate: charlie.address});
+
+      await collectionNFT.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true, restricted: testCase.restrictedMode ? [collectionRFT.collectionId] : null}});
+      await collectionNFT.addToAllowList(alice, {Substrate: charlie.address});
+      await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());
+
+      await collectionRFT.setPermissions(alice, {access: 'AllowList', mintMode: true});
+      await collectionRFT.addToAllowList(alice, {Substrate: charlie.address});
+      await collectionRFT.addToAllowList(alice, targetToken.nestingAccount());
+
+      // Create an immediately nested token
+      const nestedToken = await collectionRFT.mintToken(charlie, 5n, targetToken.nestingAccount());
+      expect(await nestedToken.getBalance(targetToken.nestingAccount())).to.be.equal(5n);
+
+      // Create a token to be nested and nest
+      const newToken = await collectionRFT.mintToken(charlie, 5n);
+      await newToken.transfer(charlie, targetToken.nestingAccount(), 2n);
+      expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(2n);
+      expect(await newToken.getBalance({Substrate: charlie.address})).to.be.equal(3n);
+    });
+  });
+
+  itSub('Owner can unnest nested token', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const targetToken = await collection.mintToken(alice);
+
+    // Owner mints nested RFT token:
+    const collectionRFT = await helper.rft.mintCollection(alice);
+    const token = await collectionRFT.mintToken(alice, 10n, targetToken.nestingAccount());
+
+    // 1.1 Owner can partially unnest token pieces with transferFrom:
+    await token.transferFrom(alice, targetToken.nestingAccount(), {Substrate: alice.address}, 9n);
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(9n);
+    expect(await token.getBalance(targetToken.nestingAccount())).to.be.equal(1n);
+
+    // 1.2 Owner can unnest all pieces:
+    await token.transferFrom(alice, targetToken.nestingAccount(), {Substrate: alice.address}, 1n);
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(10n);
+    expect(await token.getBalance(targetToken.nestingAccount())).to.be.equal(0n);
+  });
+
+  itSub('Owner can burn nested token pieces', async ({helper}) => {
+    const collection = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true}}});
+    const targetToken = await collection.mintToken(alice);
+
+    // Owner mints nested RFT token:
+    const collectionRFT = await helper.rft.mintCollection(alice);
+    const token = await collectionRFT.mintToken(alice, 100n, {Substrate: alice.address});
+    await token.transfer(alice, targetToken.nestingAccount(), 30n);
+
+    // 1.1 Owner can partially burnFrom nested pieces:
+    await token.burnFrom(alice, targetToken.nestingAccount(), 10n);
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(70n);
+    expect(await token.getBalance(targetToken.nestingAccount())).to.be.equal(20n);
+    expect(await targetToken.getChildren()).to.has.length(1);
+
+    // 1.1 Owner can burnFrom all nested pieces:
+    await token.burnFrom(alice, targetToken.nestingAccount(), 20n);
+    expect(await token.getBalance(targetToken.nestingAccount())).to.be.equal(0n);
+    expect(await targetToken.getChildren()).to.has.length(0);
+    expect(await token.doesExist()).to.be.true;
+
+    // 2. Target token does not contain any pieces and can be burnt:
+    await targetToken.burn(alice);
+    expect(await targetToken.doesExist()).to.be.false;
+  });
+});
+
+describe('Refungible nesting negative tests', () => {
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
+  before(async function() {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
+      const donor = await privateKey({filename: __filename});
+      [alice, bob] = await helper.arrange.createAccounts([100n, 50n], donor);
+    });
+  });
+
+  itSub('cannot nest token if nesting is disabled', async ({helper}) => {
+    const collectionNFT = await helper.nft.mintCollection(alice);
+    const collectionRFT = await helper.rft.mintCollection(alice);
+    const targetToken = await collectionNFT.mintToken(alice);
+
+    // Try to create an immediately nested token
+    await expect(collectionRFT.mintToken(alice, 5n, targetToken.nestingAccount()))
+      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);
+
+    // Try to create a token to be nested and nest
+    const token = await collectionRFT.mintToken(alice, 5n);
+    await expect(token.transfer(alice, targetToken.nestingAccount(), 2n))
+      .to.be.rejectedWith(/common\.UserIsNotAllowedToNest/);
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(5n);
+  });
+
+  [
+    {restrictedMode: true},
+    {restrictedMode: false},
+  ].map(testCase => {
+    itSub(`non-Owner cannot nest someone else's token${testCase.restrictedMode ? ': Restricted mode' : ''}`, async ({helper}) => {
+      const collectionNFT = await helper.nft.mintCollection(alice);
+      const collectionRFT = await helper.rft.mintCollection(alice);
+      const targetToken = await collectionNFT.mintToken(alice);
+
+      await collectionNFT.setPermissions(alice, {access: 'AllowList', mintMode: true, nesting: {tokenOwner: true, restricted: testCase.restrictedMode ? [collectionRFT.collectionId] : null}});
+      await collectionNFT.addToAllowList(alice, {Substrate: bob.address});
+      await collectionNFT.addToAllowList(alice, targetToken.nestingAccount());
+
+      // Try to create a token to be nested and nest
+      const newToken = await collectionRFT.mintToken(alice);
+      await expect(newToken.transfer(bob, targetToken.nestingAccount())).to.be.rejectedWith(/common\.TokenValueTooLow/);
+
+      expect(await targetToken.getChildren()).to.be.length(0);
+      expect(await newToken.getBalance({Substrate: alice.address})).to.be.equal(1n);
+
+      // Nest some tokens as Alice into Bob's token
+      await newToken.transfer(alice, targetToken.nestingAccount());
+
+      // Try to pull it out
+      await expect(newToken.transferFrom(bob, targetToken.nestingAccount(), {Substrate: alice.address}, 1n))
+        .to.be.rejectedWith(/common\.ApprovedValueTooLow/);
+      expect(await newToken.getBalance(targetToken.nestingAccount())).to.be.equal(1n);
+    });
+  });
+
+  itSub('ReFungible: disallows to nest token to an unlisted collection', async ({helper}) => {
+    const collectionNFT = await helper.nft.mintCollection(alice, {permissions: {nesting: {tokenOwner: true, restricted: []}}});
+    const collectionRFT = await helper.rft.mintCollection(alice);
+    const targetToken = await collectionNFT.mintToken(alice);
+
+    // Try to create an immediately nested token
+    await expect(collectionRFT.mintToken(alice, 5n, targetToken.nestingAccount()))
+      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);
+
+    // Try to create a token to be nested and nest
+    const token = await collectionRFT.mintToken(alice, 5n);
+    await expect(token.transfer(alice, targetToken.nestingAccount(), 2n))
+      .to.be.rejectedWith(/common\.SourceCollectionIsNotAllowedToNest/);
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(5n);
+  });
+});
addedtests/src/sub/refungible/repartition.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/sub/refungible/repartition.test.ts
@@ -0,0 +1,96 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {IKeyringPair} from '@polkadot/types/types';
+import {itSub, Pallets, requirePalletsOrSkip, usingPlaygrounds, expect} from '../../util';
+
+describe('integration test: Refungible functionality:', () => {
+  let donor: IKeyringPair;
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+
+  before(async function() {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
+
+      donor = await privateKey({filename: __filename});
+      [alice, bob] = await helper.arrange.createAccounts([100n, 10n], donor);
+    });
+  });
+
+  itSub('Repartition', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
+    const token = await collection.mintToken(alice, 100n);
+
+    expect(await token.repartition(alice, 200n)).to.be.true;
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(200n);
+    expect(await token.getTotalPieces()).to.be.equal(200n);
+
+    expect(await token.transfer(alice, {Substrate: bob.address}, 110n)).to.be.true;
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(90n);
+    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(110n);
+
+    await expect(token.repartition(alice, 80n))
+      .to.eventually.be.rejectedWith(/refungible\.RepartitionWhileNotOwningAllPieces/);
+
+    expect(await token.transfer(alice, {Substrate: bob.address}, 90n)).to.be.true;
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(0n);
+    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(200n);
+
+    expect(await token.repartition(bob, 150n)).to.be.true;
+    await expect(token.transfer(bob, {Substrate: alice.address}, 160n))
+      .to.eventually.be.rejectedWith(/common\.TokenValueTooLow/);
+  });
+
+  itSub('Repartition with increased amount', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
+    const token = await collection.mintToken(alice, 100n);
+    await token.repartition(alice, 200n);
+    const chainEvents = helper.chainLog.slice(-1)[0].events;
+    const event = chainEvents.find((event: any) => event.section === 'common' && event.method === 'ItemCreated');
+    expect(event).to.deep.include({
+      section: 'common',
+      method: 'ItemCreated',
+      index: [66, 2],
+      data: [
+        collection.collectionId,
+        token.tokenId,
+        {substrate: alice.address},
+        100n,
+      ],
+    });
+  });
+
+  itSub('Repartition with decreased amount', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
+    const token = await collection.mintToken(alice, 100n);
+    await token.repartition(alice, 50n);
+    const chainEvents = helper.chainLog.slice(-1)[0].events;
+    const event = chainEvents.find((event: any) => event.section === 'common' && event.method === 'ItemDestroyed');
+    expect(event).to.deep.include({
+      section: 'common',
+      method: 'ItemDestroyed',
+      index: [66, 3],
+      data: [
+        collection.collectionId,
+        token.tokenId,
+        {substrate: alice.address},
+        50n,
+      ],
+    });
+  });
+});
+
addedtests/src/sub/refungible/transfer.test.tsdiffbeforeafterboth
--- /dev/null
+++ b/tests/src/sub/refungible/transfer.test.ts
@@ -0,0 +1,73 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+import {IKeyringPair} from '@polkadot/types/types';
+import {itSub, Pallets, requirePalletsOrSkip, usingPlaygrounds, expect} from '../../util';
+
+describe('Refungible transfer tests', () => {
+  let donor: IKeyringPair;
+  let alice: IKeyringPair;
+  let bob: IKeyringPair;
+  let charlie: IKeyringPair;
+
+  before(async function() {
+    await usingPlaygrounds(async (helper, privateKey) => {
+      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);
+
+      donor = await privateKey({filename: __filename});
+      [alice, bob, charlie] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+    });
+  });
+
+  itSub('Can transfer token pieces', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
+    const token = await collection.mintToken(alice, 100n);
+
+    expect(await token.transfer(alice, {Substrate: bob.address}, 60n)).to.be.true;
+    // 1. Can transfer less or equal than have:
+    expect(await token.getBalance({Substrate: alice.address})).to.be.equal(40n);
+    expect(await token.getBalance({Substrate: bob.address})).to.be.equal(60n);
+  });
+
+  itSub('Cannot transfer incorrect amount of token pieces', async ({helper}) => {
+    const collection = await helper.rft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});
+    const tokenAlice = await collection.mintToken(alice, 10n, {Substrate: alice.address});
+    const tokenBob = await collection.mintToken(alice, 10n, {Substrate: bob.address});
+
+    // 1. Alice cannot transfer Bob's token:
+    await expect(tokenBob.transfer(alice, {Substrate: charlie.address}, 0n)).to.be.rejectedWith('common.TokenValueTooLow');
+    await expect(tokenBob.transfer(alice, {Substrate: charlie.address}, 1n)).to.be.rejectedWith('common.TokenValueTooLow');
+    await expect(tokenBob.transfer(alice, {Substrate: charlie.address}, 10n)).to.be.rejectedWith('common.TokenValueTooLow');
+    await expect(tokenBob.transfer(alice, {Substrate: charlie.address}, 100n)).to.be.rejectedWith('common.TokenValueTooLow');
+
+    // 2. Alice cannot transfer non-existing token:
+    await expect(collection.transferToken(alice, 100, {Substrate: charlie.address}, 0n)).to.be.rejectedWith('common.TokenValueTooLow');
+    await expect(collection.transferToken(alice, 100, {Substrate: charlie.address}, 1n)).to.be.rejectedWith('common.TokenValueTooLow');
+
+    // 3. Cannot transfer more than have:
+    await expect(tokenAlice.transfer(alice, {Substrate: bob.address}, 11n))
+      .to.eventually.be.rejectedWith(/common\.TokenValueTooLow/);
+
+    // 4. Zero transfer allowed (EIP-20):
+    await tokenAlice.transfer(alice, {Substrate: charlie.address}, 0n);
+
+    expect(await tokenAlice.getTop10Owners()).to.deep.eq([{Substrate: alice.address}]);
+    expect(await tokenBob.getTop10Owners()).to.deep.eq([{Substrate: bob.address}]);
+    expect(await tokenAlice.getBalance({Substrate: alice.address})).to.eq(10n);
+    expect(await tokenBob.getBalance({Substrate: bob.address})).to.eq(10n);
+    expect(await tokenBob.getBalance({Substrate: charlie.address})).to.eq(0n);
+  });
+});
\ No newline at end of file
modifiedtests/src/util/index.tsdiffbeforeafterboth
--- a/tests/src/util/index.ts
+++ b/tests/src/util/index.ts
@@ -100,6 +100,9 @@
 export const LOCKING_PERIOD = 12n; // 12 blocks of relay
 export const UNLOCKING_PERIOD = 6n; // 6 blocks of parachain
 
+// Native contracts
+export const COLLECTION_HELPER = '0x6c4e9fe1ae37a41e93cee429e8e1881abdcbb54f';
+export const CONTRACT_HELPER = '0x842899ECF380553E8a4de75bF534cdf6fBF64049';
 
 export enum Pallets {
   Inflation = 'inflation',