git.delta.rocks / unique-network / refs/commits / b238f7bade8b

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 {EthUniqueHelper, expect, itEth, usingEthPlaygrounds} from './util';19import {IKeyringPair} from '@polkadot/types/types';20import {Contract} from 'web3-eth-contract';212223describe('Refungible token: Information getting', () => {24  let donor: IKeyringPair;25  let alice: IKeyringPair;2627  before(async function() {28    await usingEthPlaygrounds(async (helper, privateKey) => {29      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);3031      donor = await privateKey({filename: __filename});32      [alice] = await helper.arrange.createAccounts([20n], donor);33    });34  });3536  itEth('totalSupply', async ({helper}) => {37    const caller = await helper.eth.createAccountWithBalance(donor);38    const collection = await helper.rft.mintCollection(alice, {tokenPrefix: 'MUON'});39    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: caller});4041    const contract = helper.ethNativeContract.rftTokenById(collection.collectionId, tokenId, caller);42    const totalSupply = await contract.methods.totalSupply().call();43    expect(totalSupply).to.equal('200');44  });4546  itEth('balanceOf', async ({helper}) => {47    const caller = await helper.eth.createAccountWithBalance(donor);48    const collection = await helper.rft.mintCollection(alice, {tokenPrefix: 'MUON'});49    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: caller});5051    const contract = helper.ethNativeContract.rftTokenById(collection.collectionId, tokenId, caller);52    const balance = await contract.methods.balanceOf(caller).call();53    expect(balance).to.equal('200');54  });5556  itEth('decimals', async ({helper}) => {57    const caller = await helper.eth.createAccountWithBalance(donor);58    const collection = await helper.rft.mintCollection(alice, {tokenPrefix: 'MUON'});59    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: caller});6061    const contract = helper.ethNativeContract.rftTokenById(collection.collectionId, tokenId, caller);62    const decimals = await contract.methods.decimals().call();63    expect(decimals).to.equal('0');64  });65});6667// FIXME: Need erc721 for ReFubgible.68describe('Check ERC721 token URI for ReFungible', () => {69  let donor: IKeyringPair;7071  before(async function() {72    await usingEthPlaygrounds(async (helper, privateKey) => {73      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);7475      donor = await privateKey({filename: __filename});76    });77  });7879  async function setup(helper: EthUniqueHelper, baseUri: string, propertyKey?: string, propertyValue?: string): Promise<{contract: Contract, nextTokenId: string}> {80    const owner = await helper.eth.createAccountWithBalance(donor);81    const receiver = helper.eth.createAccount();8283    const {collectionAddress} = await helper.eth.createERC721MetadataCompatibleRFTCollection(owner, 'Mint collection', 'a', 'b', baseUri);84    const contract = helper.ethNativeContract.collection(collectionAddress, 'rft', owner);8586    const result = await contract.methods.mint(receiver).send();8788    const event = result.events.Transfer;89    const tokenId = event.returnValues.tokenId;90    expect(tokenId).to.be.equal('1');91    expect(event.address).to.be.equal(collectionAddress);92    expect(event.returnValues.from).to.be.equal('0x0000000000000000000000000000000000000000');93    expect(event.returnValues.to).to.be.equal(receiver);9495    if (propertyKey && propertyValue) {96      // Set URL or suffix9798      await contract.methods.setProperties(tokenId, [{key: propertyKey, value: Buffer.from(propertyValue)}]).send();99    }100101    return {contract, nextTokenId: tokenId};102  }103104  itEth('Empty tokenURI', async ({helper}) => {105    const {contract, nextTokenId} = await setup(helper, '');106    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('');107  });108109  itEth('TokenURI from url', async ({helper}) => {110    const {contract, nextTokenId} = await setup(helper, 'BaseURI_', 'URI', 'Token URI');111    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('Token URI');112  });113114  itEth('TokenURI from baseURI', async ({helper}) => {115    const {contract, nextTokenId} = await setup(helper, 'BaseURI_');116    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('BaseURI_');117  });118119  itEth('TokenURI from baseURI + suffix', async ({helper}) => {120    const suffix = '/some/suffix';121    const {contract, nextTokenId} = await setup(helper, 'BaseURI_', 'URISuffix', suffix);122    expect(await contract.methods.tokenURI(nextTokenId).call()).to.be.equal('BaseURI_' + suffix);123  });124});125126describe('Refungible: Plain calls', () => {127  let donor: IKeyringPair;128  let alice: IKeyringPair;129130  before(async function() {131    await usingEthPlaygrounds(async (helper, privateKey) => {132      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);133134      donor = await privateKey({filename: __filename});135      [alice] = await helper.arrange.createAccounts([50n], donor);136    });137  });138139  itEth('Can perform approve()', async ({helper}) => {140    const owner = await helper.eth.createAccountWithBalance(donor);141    const spender = helper.eth.createAccount();142    const collection = await helper.rft.mintCollection(alice);143    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: owner});144145    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);146    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);147148    {149      const result = await contract.methods.approve(spender, 100).send({from: owner});150      const event = result.events.Approval;151      expect(event.address).to.be.equal(tokenAddress);152      expect(event.returnValues.owner).to.be.equal(owner);153      expect(event.returnValues.spender).to.be.equal(spender);154      expect(event.returnValues.value).to.be.equal('100');155    }156157    {158      const allowance = await contract.methods.allowance(owner, spender).call();159      expect(+allowance).to.equal(100);160    }161  });162  163  itEth('Can perform approveCross()', async ({helper}) => {164    const owner = await helper.eth.createAccountWithBalance(donor);165    const spender = helper.eth.createAccount();166    const spenderCross = helper.ethCrossAccount.fromAddress(spender);167168    const collection = await helper.rft.mintCollection(alice);169    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: owner});170171    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);172    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);173174    {175      const result = await contract.methods.approveCross(spenderCross, 100).send({from: owner});176      const event = result.events.Approval;177      expect(event.address).to.be.equal(tokenAddress);178      expect(event.returnValues.owner).to.be.equal(owner);179      expect(event.returnValues.spender).to.be.equal(spender);180      expect(event.returnValues.value).to.be.equal('100');181    }182183    {184      const allowance = await contract.methods.allowance(owner, spender).call();185      expect(+allowance).to.equal(100);186    }187  });188  189  itEth('Can perform transferFrom()', async ({helper}) => {190    const owner = await helper.eth.createAccountWithBalance(donor);191    const spender = await helper.eth.createAccountWithBalance(donor);192    const receiver = helper.eth.createAccount();193    const collection = await helper.rft.mintCollection(alice);194    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: owner});195196    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);197    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);198199    await contract.methods.approve(spender, 100).send();200201    {202      const result = await contract.methods.transferFrom(owner, receiver, 49).send({from: spender});203      let event = result.events.Transfer;204      expect(event.address).to.be.equal(tokenAddress);205      expect(event.returnValues.from).to.be.equal(owner);206      expect(event.returnValues.to).to.be.equal(receiver);207      expect(event.returnValues.value).to.be.equal('49');208209      event = result.events.Approval;210      expect(event.address).to.be.equal(tokenAddress);211      expect(event.returnValues.owner).to.be.equal(owner);212      expect(event.returnValues.spender).to.be.equal(spender);213      expect(event.returnValues.value).to.be.equal('51');214    }215216    {217      const balance = await contract.methods.balanceOf(receiver).call();218      expect(+balance).to.equal(49);219    }220221    {222      const balance = await contract.methods.balanceOf(owner).call();223      expect(+balance).to.equal(151);224    }225  });226227  itEth('Can perform transfer()', async ({helper}) => {228    const owner = await helper.eth.createAccountWithBalance(donor);229    const receiver = helper.eth.createAccount();230    const collection = await helper.rft.mintCollection(alice);231    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: owner});232233    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);234    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);235236    {237      const result = await contract.methods.transfer(receiver, 50).send({from: owner});238      const event = result.events.Transfer;239      expect(event.address).to.be.equal(tokenAddress);240      expect(event.returnValues.from).to.be.equal(owner);241      expect(event.returnValues.to).to.be.equal(receiver);242      expect(event.returnValues.value).to.be.equal('50');243    }244245    {246      const balance = await contract.methods.balanceOf(owner).call();247      expect(+balance).to.equal(150);248    }249250    {251      const balance = await contract.methods.balanceOf(receiver).call();252      expect(+balance).to.equal(50);253    }254  });255  256  [257    'transfer',258    // 'transferCross', // TODO259  ].map(testCase => 260    itEth(`Cannot ${testCase}() non-owned token`, async ({helper}) => {261      const owner = await helper.eth.createAccountWithBalance(donor);262      const receiver = await helper.eth.createAccountWithBalance(donor);263      const collection = await helper.rft.mintCollection(alice);264      const rftOwner = await collection.mintToken(alice, 10n, {Ethereum: owner});265      const rftReceiver = await collection.mintToken(alice, 10n, {Ethereum: receiver});266      const tokenIdNonExist = 9999999;267  268      const tokenAddress1 = helper.ethAddress.fromTokenId(collection.collectionId, rftOwner.tokenId);269      const tokenAddress2 = helper.ethAddress.fromTokenId(collection.collectionId, rftReceiver.tokenId);270      const tokenAddressNonExist = helper.ethAddress.fromTokenId(collection.collectionId, tokenIdNonExist);271      const tokenEvmOwner = helper.ethNativeContract.rftToken(tokenAddress1, owner);272      const tokenEvmReceiver = helper.ethNativeContract.rftToken(tokenAddress2, owner);273      const tokenEvmNonExist = helper.ethNativeContract.rftToken(tokenAddressNonExist, owner);274      275      // 1. Can transfer zero amount (EIP-20):276      await tokenEvmOwner.methods[testCase](receiver, 0).send({from: owner});277      // 2. Cannot transfer non-owned token:278      await expect(tokenEvmReceiver.methods[testCase](owner, 0).send({from: owner})).to.be.rejected;279      await expect(tokenEvmReceiver.methods[testCase](owner, 5).send({from: owner})).to.be.rejected;280      // 3. Cannot transfer non-existing token:281      await expect(tokenEvmNonExist.methods[testCase](owner, 0).send({from: owner})).to.be.rejected;282      await expect(tokenEvmNonExist.methods[testCase](owner, 5).send({from: owner})).to.be.rejected;283284      // 4. Storage is not corrupted:285      expect(await rftOwner.getTop10Owners()).to.deep.eq([{Ethereum: owner.toLowerCase()}]);286      expect(await rftReceiver.getTop10Owners()).to.deep.eq([{Ethereum: receiver.toLowerCase()}]);287      expect(await helper.rft.getTokenTop10Owners(collection.collectionId, tokenIdNonExist)).to.deep.eq([]); // TODO288289      // 4.1 Tokens can be transferred:290      await tokenEvmOwner.methods[testCase](receiver, 10).send({from: owner});291      await tokenEvmReceiver.methods[testCase](owner, 10).send({from: receiver});292      expect(await rftOwner.getTop10Owners()).to.deep.eq([{Ethereum: receiver.toLowerCase()}]);293      expect(await rftReceiver.getTop10Owners()).to.deep.eq([{Ethereum: owner.toLowerCase()}]);294    }));295296  itEth('Can perform transferCross()', async ({helper}) => {297    const owner = await helper.eth.createAccountWithBalance(donor);298    const receiver = helper.eth.createAccount();299    const receiverCross = helper.ethCrossAccount.fromAddress(receiver);300    const collection = await helper.rft.mintCollection(alice);301    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: owner});302303    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);304    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);305306    {307      const result = await contract.methods.transferCross(receiverCross, 50).send({from: owner});308      const event = result.events.Transfer;309      expect(event.address).to.be.equal(tokenAddress);310      expect(event.returnValues.from).to.be.equal(owner);311      expect(event.returnValues.to).to.be.equal(receiver);312      expect(event.returnValues.value).to.be.equal('50');313    }314315    {316      const balance = await contract.methods.balanceOf(owner).call();317      expect(+balance).to.equal(150);318    }319320    {321      const balance = await contract.methods.balanceOf(receiver).call();322      expect(+balance).to.equal(50);323    }324  });325  itEth('Can perform repartition()', async ({helper}) => {326    const owner = await helper.eth.createAccountWithBalance(donor);327    const receiver = await helper.eth.createAccountWithBalance(donor);328    const collection = await helper.rft.mintCollection(alice);329    const {tokenId} = await collection.mintToken(alice, 100n, {Ethereum: owner});330331    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);332    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);333334    await contract.methods.repartition(200).send({from: owner});335    expect(+await contract.methods.balanceOf(owner).call()).to.be.equal(200);336    await contract.methods.transfer(receiver, 110).send({from: owner});337    expect(+await contract.methods.balanceOf(owner).call()).to.be.equal(90);338    expect(+await contract.methods.balanceOf(receiver).call()).to.be.equal(110);339340    await expect(contract.methods.repartition(80).send({from: owner})).to.eventually.be.rejected; // Transaction is reverted341342    await contract.methods.transfer(receiver, 90).send({from: owner});343    expect(+await contract.methods.balanceOf(owner).call()).to.be.equal(0);344    expect(+await contract.methods.balanceOf(receiver).call()).to.be.equal(200);345346    await contract.methods.repartition(150).send({from: receiver});347    await expect(contract.methods.transfer(owner, 160).send({from: receiver})).to.eventually.be.rejected; // Transaction is reverted348    expect(+await contract.methods.balanceOf(receiver).call()).to.be.equal(150);349  });350351  itEth('Can repartition with increased amount', async ({helper}) => {352    const owner = await helper.eth.createAccountWithBalance(donor);353    const collection = await helper.rft.mintCollection(alice);354    const {tokenId} = await collection.mintToken(alice, 100n, {Ethereum: owner});355356    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);357    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);358359    const result = await contract.methods.repartition(200).send();360361    const event = result.events.Transfer;362    expect(event.address).to.be.equal(tokenAddress);363    expect(event.returnValues.from).to.be.equal('0x0000000000000000000000000000000000000000');364    expect(event.returnValues.to).to.be.equal(owner);365    expect(event.returnValues.value).to.be.equal('100');366  });367368  itEth('Can repartition with decreased amount', async ({helper}) => {369    const owner = await helper.eth.createAccountWithBalance(donor);370    const collection = await helper.rft.mintCollection(alice);371    const {tokenId} = await collection.mintToken(alice, 100n, {Ethereum: owner});372373    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);374    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);375376    const result = await contract.methods.repartition(50).send();377    const event = result.events.Transfer;378    expect(event.address).to.be.equal(tokenAddress);379    expect(event.returnValues.from).to.be.equal(owner);380    expect(event.returnValues.to).to.be.equal('0x0000000000000000000000000000000000000000');381    expect(event.returnValues.value).to.be.equal('50');382  });383384  itEth('Receiving Transfer event on burning into full ownership', async ({helper}) => {385    const caller = await helper.eth.createAccountWithBalance(donor);386    const receiver = await helper.eth.createAccountWithBalance(donor);387    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(caller, 'Devastation', '6', '6');388    const contract = helper.ethNativeContract.collection(collectionAddress, 'rft', caller);389390    const result = await contract.methods.mint(caller).send();391    const tokenId = result.events.Transfer.returnValues.tokenId;392    const tokenAddress = helper.ethAddress.fromTokenId(collectionId, tokenId);393    const tokenContract = helper.ethNativeContract.rftToken(tokenAddress, caller);394395    await tokenContract.methods.repartition(2).send();396    await tokenContract.methods.transfer(receiver, 1).send();397398    const events: any = [];399    contract.events.allEvents((_: any, event: any) => {400      events.push(event);401    });402    await tokenContract.methods.burnFrom(caller, 1).send();403404    if (events.length == 0) await helper.wait.newBlocks(1);405    const event = events[0];406    expect(event.address).to.be.equal(collectionAddress);407    expect(event.returnValues.from).to.be.equal('0xFFfFfFffFFfffFFfFFfFFFFFffFFFffffFfFFFfF');408    expect(event.returnValues.to).to.be.equal(receiver);409    expect(event.returnValues.tokenId).to.be.equal(tokenId);410  });411  412  itEth('Can perform burnFromCross()', async ({helper}) => {413    const owner = await helper.eth.createAccountWithBalance(donor);414    const ownerCross = helper.ethCrossAccount.fromAddress(owner);415    const spender = await helper.eth.createAccountWithBalance(donor);416    const spenderCross = helper.ethCrossAccount.fromAddress(spender);417418    const collection = await helper.rft.mintCollection(alice);419    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: owner});420421    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);422    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);423424    await contract.methods.approveCross(spenderCross, 100).send({from: owner});425    426    await expect(contract.methods.burnFromCross(ownerCross, 50).send({from: spender})).to.be.fulfilled;427    await expect(contract.methods.burnFromCross(ownerCross, 100).send({from: spender})).to.be.rejected;428    expect(await contract.methods.balanceOf(owner).call({from: owner})).to.be.equal('150');429  });430});431432describe('Refungible: Fees', () => {433  let donor: IKeyringPair;434  let alice: IKeyringPair;435436  before(async function() {437    await usingEthPlaygrounds(async (helper, privateKey) => {438      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);439440      donor = await privateKey({filename: __filename});441      [alice] = await helper.arrange.createAccounts([50n], donor);442    });443  });444445  itEth('approve() call fee is less than 0.2UNQ', async ({helper}) => {446    const owner = await helper.eth.createAccountWithBalance(donor);447    const spender = helper.eth.createAccount();448    const collection = await helper.rft.mintCollection(alice);449    const {tokenId} = await collection.mintToken(alice, 100n, {Ethereum: owner});450451    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);452    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);453454    const cost = await helper.eth.recordCallFee(owner, () => contract.methods.approve(spender, 100).send({from: owner}));455    expect(cost < BigInt(0.2 * Number(helper.balance.getOneTokenNominal())));456  });457458  itEth('transferFrom() call fee is less than 0.2UNQ', async ({helper}) => {459    const owner = await helper.eth.createAccountWithBalance(donor);460    const spender = await helper.eth.createAccountWithBalance(donor);461    const collection = await helper.rft.mintCollection(alice);462    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: owner});463464    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);465    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);466467    await contract.methods.approve(spender, 100).send({from: owner});468469    const cost = await helper.eth.recordCallFee(spender, () => contract.methods.transferFrom(owner, spender, 100).send({from: spender}));470    expect(cost < BigInt(0.2 * Number(helper.balance.getOneTokenNominal())));471  });472473  itEth('transfer() call fee is less than 0.2UNQ', async ({helper}) => {474    const owner = await helper.eth.createAccountWithBalance(donor);475    const receiver = helper.eth.createAccount();476    const collection = await helper.rft.mintCollection(alice);477    const {tokenId} = await collection.mintToken(alice, 200n, {Ethereum: owner});478479    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, tokenId);480    const contract = helper.ethNativeContract.rftToken(tokenAddress, owner);481482    const cost = await helper.eth.recordCallFee(owner, () => contract.methods.transfer(receiver, 100).send({from: owner}));483    expect(cost < BigInt(0.2 * Number(helper.balance.getOneTokenNominal())));484  });485});486487describe('Refungible: Substrate calls', () => {488  let donor: IKeyringPair;489  let alice: IKeyringPair;490491  before(async function() {492    await usingEthPlaygrounds(async (helper, privateKey) => {493      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);494495      donor = await privateKey({filename: __filename});496      [alice] = await helper.arrange.createAccounts([50n], donor);497    });498  });499500  itEth('Events emitted for approve()', async ({helper}) => {501    const receiver = helper.eth.createAccount();502    const collection = await helper.rft.mintCollection(alice);503    const token = await collection.mintToken(alice, 200n);504505    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, token.tokenId);506    const contract = helper.ethNativeContract.rftToken(tokenAddress);507508    const events: any = [];509    contract.events.allEvents((_: any, event: any) => {510      events.push(event);511    });512513    expect(await token.approve(alice, {Ethereum: receiver}, 100n)).to.be.true;514    if (events.length == 0) await helper.wait.newBlocks(1);515    const event = events[0];516517    expect(event.event).to.be.equal('Approval');518    expect(event.address).to.be.equal(tokenAddress);519    expect(event.returnValues.owner).to.be.equal(helper.address.substrateToEth(alice.address));520    expect(event.returnValues.spender).to.be.equal(receiver);521    expect(event.returnValues.value).to.be.equal('100');522  });523524  itEth('Events emitted for transferFrom()', async ({helper}) => {525    const [bob] = await helper.arrange.createAccounts([10n], donor);526    const receiver = helper.eth.createAccount();527    const collection = await helper.rft.mintCollection(alice);528    const token = await collection.mintToken(alice, 200n);529    await token.approve(alice, {Substrate: bob.address}, 100n);530531    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, token.tokenId);532    const contract = helper.ethNativeContract.rftToken(tokenAddress);533534    const events: any = [];535    contract.events.allEvents((_: any, event: any) => {536      events.push(event);537    });538539    expect(await token.transferFrom(bob, {Substrate: alice.address}, {Ethereum: receiver},  51n)).to.be.true;540    if (events.length == 0) await helper.wait.newBlocks(1);541542    let event = events[0];543    expect(event.event).to.be.equal('Transfer');544    expect(event.address).to.be.equal(tokenAddress);545    expect(event.returnValues.from).to.be.equal(helper.address.substrateToEth(alice.address));546    expect(event.returnValues.to).to.be.equal(receiver);547    expect(event.returnValues.value).to.be.equal('51');548549    event = events[1];550    expect(event.event).to.be.equal('Approval');551    expect(event.address).to.be.equal(tokenAddress);552    expect(event.returnValues.owner).to.be.equal(helper.address.substrateToEth(alice.address));553    expect(event.returnValues.spender).to.be.equal(helper.address.substrateToEth(bob.address));554    expect(event.returnValues.value).to.be.equal('49');555  });556557  itEth('Events emitted for transfer()', async ({helper}) => {558    const receiver = helper.eth.createAccount();559    const collection = await helper.rft.mintCollection(alice);560    const token = await collection.mintToken(alice, 200n);561562    const tokenAddress = helper.ethAddress.fromTokenId(collection.collectionId, token.tokenId);563    const contract = helper.ethNativeContract.rftToken(tokenAddress);564565    const events: any = [];566    contract.events.allEvents((_: any, event: any) => {567      events.push(event);568    });569570    expect(await token.transfer(alice, {Ethereum: receiver},  51n)).to.be.true;571    if (events.length == 0) await helper.wait.newBlocks(1);572    const event = events[0];573574    expect(event.event).to.be.equal('Transfer');575    expect(event.address).to.be.equal(tokenAddress);576    expect(event.returnValues.from).to.be.equal(helper.address.substrateToEth(alice.address));577    expect(event.returnValues.to).to.be.equal(receiver);578    expect(event.returnValues.value).to.be.equal('51');579  });580});581582describe('ERC 1633 implementation', () => {583  let donor: IKeyringPair;584585  before(async function() {586    await usingEthPlaygrounds(async (helper, privateKey) => {587      requirePalletsOrSkip(this, helper, [Pallets.ReFungible]);588589      donor = await privateKey({filename: __filename});590    });591  });592593  itEth('Default parent token address and id', async ({helper}) => {594    const owner = await helper.eth.createAccountWithBalance(donor);595596    const {collectionId, collectionAddress} = await helper.eth.createRFTCollection(owner, 'Sands', '', 'GRAIN');597    const collectionContract = helper.ethNativeContract.collection(collectionAddress, 'rft', owner);598599    const result = await collectionContract.methods.mint(owner).send();600    const tokenId = result.events.Transfer.returnValues.tokenId;601602    const tokenAddress = helper.ethAddress.fromTokenId(collectionId, tokenId);603    const tokenContract = helper.ethNativeContract.rftToken(tokenAddress, owner);604605    expect(await tokenContract.methods.parentToken().call()).to.be.equal(collectionAddress);606    expect(await tokenContract.methods.parentTokenId().call()).to.be.equal(tokenId);607  });608});