`51ae34fc1d3d`

1 file changed

modifiedtests/src/.outdated/scheduler.test.tsdiff before after both
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 {18  default as usingApi,19  submitTransactionAsync,20  submitTransactionExpectFailAsync,21} from '../substrate/substrate-api';22import {23  createItemExpectSuccess,24  createCollectionExpectSuccess,25  scheduleTransferExpectSuccess,26  setCollectionSponsorExpectSuccess,27  confirmSponsorshipExpectSuccess,28  findUnusedAddress,29  UNIQUE,30  enablePublicMintingExpectSuccess,31  addToAllowListExpectSuccess,32  waitNewBlocks,33  makeScheduledId,34  normalizeAccountId,35  getTokenOwner,36  getGenericResult,37  getFreeBalance,38  confirmSponsorshipByKeyExpectSuccess,39  scheduleExpectFailure,40  scheduleAfter,41} from './util/helpers';42import {expect, itSub, Pallets, usingPlaygrounds} from './util/playgrounds';43import {IKeyringPair} from '@polkadot/types/types';4445describe('Scheduling token and balance transfers', () => {46  let alice: IKeyringPair;47  let bob: IKeyringPair;48  let charlie: IKeyringPair;4950  before(async () => {51    await usingPlaygrounds(async (_, privateKeyWrapper) => {52      alice = privateKeyWrapper('//Alice');53      bob = privateKeyWrapper('//Bob');54      charlie = privateKeyWrapper('//Charlie');55    });56  });5758  itSub.ifWithPallets('Can delay a transfer of an owned token', [Pallets.Scheduler], async ({helper}) => {59    const collection = await helper.nft.mintCollection(alice, {tokenPrefix: 'schd'});60    const token = await collection.mintToken(alice);61    const schedulerId = await helper.arrange.makeScheduledId();62    const blocksBeforeExecution = 4;6364    await token.scheduleAfter(schedulerId, blocksBeforeExecution)65      .transfer(alice, {Substrate: bob.address});6667    expect(await token.getOwner()).to.be.deep.equal({Substrate: alice.address});6869    await helper.wait.newBlocks(blocksBeforeExecution + 1);7071    expect(await token.getOwner()).to.be.deep.equal({Substrate: bob.address});72  });7374  itSub.ifWithPallets('Can transfer funds periodically', [Pallets.Scheduler], async ({helper}) => {75    const scheduledId = await helper.arrange.makeScheduledId();76    const waitForBlocks = 1;7778    const amount = 1n * UNIQUE;79    const periodic = {80      period: 2,81      repetitions: 2,82    };8384    const bobsBalanceBefore = await helper.balance.getSubstrate(bob.address);8586    await helper.scheduler.scheduleAfter(scheduledId, waitForBlocks, {periodic})87      .balance.transferToSubstrate(alice, bob.address, amount);8889    await helper.wait.newBlocks(waitForBlocks + 1);9091    const bobsBalanceAfterFirst = await helper.balance.getSubstrate(bob.address);92    expect(bobsBalanceAfterFirst)93      .to.be.equal(94        bobsBalanceBefore + 1n * amount,95        '#1 Balance of the recipient should be increased by 1 * amount',96      );9798    await helper.wait.newBlocks(periodic.period);99100    const bobsBalanceAfterSecond = await helper.balance.getSubstrate(bob.address);101    expect(bobsBalanceAfterSecond)102      .to.be.equal(103        bobsBalanceBefore + 2n * amount,104        '#2 Balance of the recipient should be increased by 2 * amount',105      );106  });107108  itSub.ifWithPallets('Can cancel a scheduled operation which has not yet taken effect', [Pallets.Scheduler], async ({helper}) => {109    const collection = await helper.nft.mintCollection(alice, {tokenPrefix: 'schd'});110    const token = await collection.mintToken(alice);111112    const scheduledId = await helper.arrange.makeScheduledId();113    const waitForBlocks = 4;114115    expect(await token.getOwner()).to.be.deep.equal({Substrate: alice.address});116117    await token.scheduleAfter(scheduledId, waitForBlocks)118      .transfer(alice, {Substrate: bob.address});119120    await helper.scheduler.cancelScheduled(alice, scheduledId);121122    await waitNewBlocks(waitForBlocks + 1);123124    expect(await token.getOwner()).to.be.deep.equal({Substrate: alice.address});125  });126127  itSub.ifWithPallets('Can cancel a periodic operation (transfer of funds)', [Pallets.Scheduler], async ({helper}) => {128    const waitForBlocks = 1;129    const periodic = {130      period: 3,131      repetitions: 2,132    };133134    const scheduledId = await helper.arrange.makeScheduledId();135136    const amount = 1n * UNIQUE;137138    const bobsBalanceBefore = await helper.balance.getSubstrate(bob.address);139140    await helper.scheduler.scheduleAfter(scheduledId, waitForBlocks, {periodic})141      .balance.transferToSubstrate(alice, bob.address, amount);142143    await helper.wait.newBlocks(waitForBlocks + 1);144145    const bobsBalanceAfterFirst = await helper.balance.getSubstrate(bob.address);146147    expect(bobsBalanceAfterFirst)148      .to.be.equal(149        bobsBalanceBefore + 1n * amount,150        '#1 Balance of the recipient should be increased by 1 * amount',151      );152153    await helper.scheduler.cancelScheduled(alice, scheduledId);154    await helper.wait.newBlocks(periodic.period);155156    const bobsBalanceAfterSecond = await helper.balance.getSubstrate(bob.address);157    expect(bobsBalanceAfterSecond)158      .to.be.equal(159        bobsBalanceAfterFirst,160        '#2 Balance of the recipient should not be changed',161      );162  });163164  itSub.ifWithPallets('Scheduled tasks are transactional', [Pallets.Scheduler, Pallets.TestUtils], async ({helper}) => {165    const scheduledId = await helper.arrange.makeScheduledId();166    const waitForBlocks = 4;167168    const initTestVal = 42;169    const changedTestVal = 111;170171    await helper.executeExtrinsic(172      alice,173      'api.tx.testUtils.setTestValue',174      [initTestVal],175      true,176    );177178    await helper.scheduler.scheduleAfter(scheduledId, waitForBlocks)179      .executeExtrinsic(180        alice,181        'api.tx.testUtils.setTestValueAndRollback',182        [changedTestVal],183        true,184      );185186    await helper.wait.newBlocks(waitForBlocks + 1);187188    const testVal = (await helper.api!.query.testUtils.testValue()).toNumber();189    expect(testVal, 'The test value should NOT be commited')190      .to.be.equal(initTestVal);191  });192193  itSub.ifWithPallets('Scheduled tasks should take correct fees', [Pallets.Scheduler, Pallets.TestUtils], async function({helper}) {194    const scheduledId = await helper.arrange.makeScheduledId();195    const waitForBlocks = 8;196    const periodic = {197      period: 2,198      repetitions: 2,199    };200201    const dummyTx = helper.constructApiCall('api.tx.testUtils.justTakeFee', []);202    const scheduledLen = dummyTx.callIndex.length;203204    const expectedScheduledFee = (await helper.getPaymentInfo(alice, dummyTx, scheduledLen))205      .partialFee.toBigInt();206207    await helper.scheduler.scheduleAfter(scheduledId, waitForBlocks, {periodic})208      .executeExtrinsic(alice, 'api.tx.testUtils.justTakeFee', [], true);209210    await helper.wait.newBlocks(1);211212    const aliceInitBalance = await helper.balance.getSubstrate(alice.address);213    let diff;214215    await helper.wait.newBlocks(waitForBlocks);216217    const aliceBalanceAfterFirst = await helper.balance.getSubstrate(alice.address);218    expect(219      aliceBalanceAfterFirst < aliceInitBalance,220      '[after execution #1] Scheduled task should take a fee',221    ).to.be.true;222223    diff = aliceInitBalance - aliceBalanceAfterFirst;224    expect(diff).to.be.equal(225      expectedScheduledFee,226      'Scheduled task should take the right amount of fees',227    );228229    await helper.wait.newBlocks(periodic.period);230231    const aliceBalanceAfterSecond = await helper.balance.getSubstrate(alice.address);232    expect(233      aliceBalanceAfterSecond < aliceBalanceAfterFirst,234      '[after execution #2] Scheduled task should take a fee',235    ).to.be.true;236237    diff = aliceBalanceAfterFirst - aliceBalanceAfterSecond;238    expect(diff).to.be.equal(239      expectedScheduledFee,240      'Scheduled task should take the right amount of fees',241    );242  });243244  // Check if we can cancel a scheduled periodic operation245  // in the same block in which it is running246  itSub.ifWithPallets('Can cancel the periodic sheduled tx when the tx is running', [Pallets.Scheduler, Pallets.TestUtils], async ({helper}) => {247    const currentBlockNumber = await helper.chain.getLatestBlockNumber();248    const blocksBeforeExecution = 10;249    const firstExecutionBlockNumber = currentBlockNumber + blocksBeforeExecution;250251    const [252      scheduledId,253      scheduledCancelId,254    ] = await helper.arrange.makeScheduledIds(2);255256    const periodic = {257      period: 5,258      repetitions: 5,259    };260261    const initTestVal = 0;262    const incTestVal = initTestVal + 1;263    const finalTestVal = initTestVal + 2;264265    await helper.executeExtrinsic(266      alice,267      'api.tx.testUtils.setTestValue',268      [initTestVal],269      true,270    );271272    await helper.scheduler.scheduleAt(scheduledId, firstExecutionBlockNumber, {periodic})273      .executeExtrinsic(274        alice,275        'api.tx.testUtils.incTestValue',276        [],277        true,278      );279280    // Cancel the inc tx after 2 executions281    // *in the same block* in which the second execution is scheduled282    await helper.scheduler.scheduleAt(283      scheduledCancelId,284      firstExecutionBlockNumber + periodic.period,285    ).scheduler.cancelScheduled(alice, scheduledId);286287    await helper.wait.newBlocks(blocksBeforeExecution);288289    // execution #0290    expect((await helper.api!.query.testUtils.testValue()).toNumber())291      .to.be.equal(incTestVal);292293    await helper.wait.newBlocks(periodic.period);294295    // execution #1296    expect((await helper.api!.query.testUtils.testValue()).toNumber())297      .to.be.equal(finalTestVal);298299    for (let i = 1; i < periodic.repetitions; i++) {300      await waitNewBlocks(periodic.period);301      expect((await helper.api!.query.testUtils.testValue()).toNumber())302        .to.be.equal(finalTestVal);303    }304  });305306  itSub.ifWithPallets('A scheduled operation can cancel itself', [Pallets.Scheduler, Pallets.TestUtils], async ({helper}) => {307    const scheduledId = await helper.arrange.makeScheduledId();308    const waitForBlocks = 8;309    const periodic = {310      period: 2,311      repetitions: 5,312    };313314    const initTestVal = 0;315    const maxTestVal = 2;316317    await helper.executeExtrinsic(318      alice,319      'api.tx.testUtils.setTestValue',320      [initTestVal],321      true,322    );323324    await helper.scheduler.scheduleAfter(scheduledId, waitForBlocks, {periodic})325      .executeExtrinsic(326        alice,327        'api.tx.testUtils.selfCancelingInc',328        [scheduledId, maxTestVal],329        true,330      );331332    await helper.wait.newBlocks(waitForBlocks + 1);333334    // execution #0335    expect((await helper.api!.query.testUtils.testValue()).toNumber())336      .to.be.equal(initTestVal + 1);337338    await helper.wait.newBlocks(periodic.period);339340    // execution #1341    expect((await helper.api!.query.testUtils.testValue()).toNumber())342      .to.be.equal(initTestVal + 2);343344    await helper.wait.newBlocks(periodic.period);345346    // <canceled>347    expect((await helper.api!.query.testUtils.testValue()).toNumber())348      .to.be.equal(initTestVal + 2);349  });350351  itSub.ifWithPallets('Root can cancel any scheduled operation', [Pallets.Scheduler], async ({helper}) => {352    const collection = await helper.nft.mintCollection(bob, {tokenPrefix: 'schd'});353    const token = await collection.mintToken(bob);354355    const scheduledId = await helper.arrange.makeScheduledId();356    const waitForBlocks = 4;357358    await token.scheduleAfter(scheduledId, waitForBlocks)359      .transfer(bob, {Substrate: alice.address});360361    await helper.getSudo().scheduler.cancelScheduled(alice, scheduledId);362363    await helper.wait.newBlocks(waitForBlocks + 1);364365    expect(await token.getOwner()).to.be.deep.equal({Substrate: bob.address});366  });367368  itSub.ifWithPallets('Root can set prioritized scheduled operation', [Pallets.Scheduler], async ({helper}) => {369    const scheduledId = await helper.arrange.makeScheduledId();370    const waitForBlocks = 4;371372    const amount = 42n * UNIQUE;373374    const balanceBefore = await helper.balance.getSubstrate(charlie.address);375376    await helper.getSudo()377      .scheduler.scheduleAfter(scheduledId, waitForBlocks, {priority: 42})378      .balance.forceTransferToSubstrate(alice, bob.address, charlie.address, amount);379380    await helper.wait.newBlocks(waitForBlocks + 1);381382    const balanceAfter = await helper.balance.getSubstrate(charlie.address);383384    expect(balanceAfter > balanceBefore).to.be.true;385386    const diff = balanceAfter - balanceBefore;387    expect(diff).to.be.equal(amount);388  });389390  itSub.ifWithPallets("Root can change scheduled operation's priority", [Pallets.Scheduler], async ({helper}) => {391    const collection = await helper.nft.mintCollection(bob, {tokenPrefix: 'schd'});392    const token = await collection.mintToken(bob);393394    const scheduledId = await helper.arrange.makeScheduledId();395    const waitForBlocks = 4;396397    await token.scheduleAfter(scheduledId, waitForBlocks)398      .transfer(bob, {Substrate: alice.address});399400    const priority = 112;401    await helper.getSudo().scheduler.changePriority(alice, scheduledId, priority);402403    const priorityChanged = await helper.wait.event(404      waitForBlocks,405      'scheduler',406      'PriorityChanged',407    );408409    expect(priorityChanged !== null).to.be.true;410    expect(priorityChanged!.event.data[2].toString()).to.be.equal(priority.toString());411  });412413  itSub.ifWithPallets.only('Prioritized operations executes in valid order', [Pallets.Scheduler], async ({helper}) => {414    const [415      scheduledFirstId,416      scheduledSecondId,417    ] = await helper.arrange.makeScheduledIds(2);418419    const currentBlockNumber = await helper.chain.getLatestBlockNumber();420    const blocksBeforeExecution = 4;421    const firstExecutionBlockNumber = currentBlockNumber + blocksBeforeExecution;422423    const prioHigh = 0;424    const prioLow = 255;425426    const periodic = {427      period: 8,428      repetitions: 2,429    };430431    const amount = 1n * UNIQUE;432433    // Scheduler a task with a lower priority first, then with a higher priority434    await helper.getSudo().scheduler.scheduleAt(scheduledFirstId, firstExecutionBlockNumber, {priority: prioLow, periodic})435      .balance.forceTransferToSubstrate(alice, alice.address, bob.address, amount);436437    await helper.getSudo().scheduler.scheduleAt(scheduledSecondId, firstExecutionBlockNumber, {priority: prioHigh, periodic})438      .balance.forceTransferToSubstrate(alice, alice.address, bob.address, amount);439440    const capture = await helper.arrange.captureEvents('scheduler', 'Dispatched');441442    await helper.wait.newBlocks(blocksBeforeExecution);443444    // Flip priorities445    await helper.getSudo().scheduler.changePriority(alice, scheduledFirstId, prioHigh);446    await helper.getSudo().scheduler.changePriority(alice, scheduledSecondId, prioLow);447448    await helper.wait.newBlocks(periodic.period);449450    const dispatchEvents = capture.extractCapturedEvents();451    expect(dispatchEvents.length).to.be.equal(4);452453    const dispatchedIds = dispatchEvents.map(r => r.event.data[1].toString());454455    const firstExecuctionIds = [dispatchedIds[0], dispatchedIds[1]];456    const secondExecuctionIds = [dispatchedIds[2], dispatchedIds[3]];457458    expect(firstExecuctionIds[0]).to.be.equal(scheduledSecondId);459    expect(firstExecuctionIds[1]).to.be.equal(scheduledFirstId);460461    expect(secondExecuctionIds[0]).to.be.equal(scheduledFirstId);462    expect(secondExecuctionIds[1]).to.be.equal(scheduledSecondId);463  });464});465466describe('Negative Test: Scheduling', () => {467  let alice: IKeyringPair;468  let bob: IKeyringPair;469470  before(async () => {471    await usingPlaygrounds(async (_, privateKeyWrapper) => {472      alice = privateKeyWrapper('//Alice');473      bob = privateKeyWrapper('//Bob');474    });475  });476477  itSub.ifWithPallets("Can't overwrite a scheduled ID", [Pallets.Scheduler], async ({helper}) => {478    const collection = await helper.nft.mintCollection(alice, {tokenPrefix: 'schd'});479    const token = await collection.mintToken(alice);480481    const scheduledId = await helper.arrange.makeScheduledId();482    const waitForBlocks = 4;483484    await token.scheduleAfter(scheduledId, waitForBlocks)485      .transfer(alice, {Substrate: bob.address});486487    const scheduled = helper.scheduler.scheduleAfter(scheduledId, waitForBlocks);488    await expect(scheduled.balance.transferToSubstrate(alice, bob.address, 1n * UNIQUE))489      .to.be.rejectedWith(/scheduler\.FailedToSchedule/);490491    const bobsBalanceBefore = await helper.balance.getSubstrate(bob.address);492493    await helper.wait.newBlocks(waitForBlocks + 1);494495    const bobsBalanceAfter = await helper.balance.getSubstrate(bob.address);496497    expect(await token.getOwner()).to.be.deep.equal({Substrate: bob.address});498    expect(bobsBalanceBefore).to.be.equal(bobsBalanceAfter);499  });500501  itSub.ifWithPallets("Can't cancel an operation which is not scheduled", [Pallets.Scheduler], async ({helper}) => {502    const scheduledId = await helper.arrange.makeScheduledId();503    await expect(helper.scheduler.cancelScheduled(alice, scheduledId))504      .to.be.rejectedWith(/scheduler\.NotFound/);505  });506507  itSub.ifWithPallets("Can't cancel a non-owned scheduled operation", [Pallets.Scheduler], async ({helper}) => {508    const collection = await helper.nft.mintCollection(alice, {tokenPrefix: 'schd'});509    const token = await collection.mintToken(alice);510511    const scheduledId = await helper.arrange.makeScheduledId();512    const waitForBlocks = 8;513514    await token.scheduleAfter(scheduledId, waitForBlocks)515      .transfer(alice, {Substrate: bob.address});516517    await expect(helper.scheduler.cancelScheduled(bob, scheduledId))518      .to.be.rejectedWith(/badOrigin/);519520    await helper.wait.newBlocks(waitForBlocks + 1);521522    expect(await token.getOwner()).to.be.deep.equal({Substrate: bob.address});523  });524525  itSub.ifWithPallets("Regular user can't set prioritized scheduled operation", [Pallets.Scheduler], async ({helper}) => {526    const scheduledId = await helper.arrange.makeScheduledId();527    const waitForBlocks = 4;528529    const amount = 42n * UNIQUE;530531    const balanceBefore = await helper.balance.getSubstrate(bob.address);532533    const scheduled = helper.scheduler.scheduleAfter(scheduledId, waitForBlocks, {priority: 42});534    535    await expect(scheduled.balance.transferToSubstrate(alice, bob.address, amount))536      .to.be.rejectedWith(/badOrigin/);537538    await helper.wait.newBlocks(waitForBlocks + 1);539540    const balanceAfter = await helper.balance.getSubstrate(bob.address);541542    expect(balanceAfter).to.be.equal(balanceBefore);543  });544545  itSub.ifWithPallets("Regular user can't change scheduled operation's priority", [Pallets.Scheduler], async ({helper}) => {546    const collection = await helper.nft.mintCollection(bob, {tokenPrefix: 'schd'});547    const token = await collection.mintToken(bob);548549    const scheduledId = await helper.arrange.makeScheduledId();550    const waitForBlocks = 4;551552    await token.scheduleAfter(scheduledId, waitForBlocks)553      .transfer(bob, {Substrate: alice.address});554555    const priority = 112;556    await expect(helper.scheduler.changePriority(alice, scheduledId, priority))557      .to.be.rejectedWith(/badOrigin/);558559    const priorityChanged = await helper.wait.event(560      waitForBlocks,561      'scheduler',562      'PriorityChanged',563    );564565    expect(priorityChanged === null).to.be.true;566  });567});568569// Implementation of the functionality tested here was postponed/shelved570describe.skip('Sponsoring scheduling', () => {571  let alice: IKeyringPair;572  let bob: IKeyringPair;573574  before(async() => {575    await usingApi(async (_, privateKeyWrapper) => {576      alice = privateKeyWrapper('//Alice');577      bob = privateKeyWrapper('//Bob');578    });579  });580581  it('Can sponsor scheduling a transaction', async () => {582    const collectionId = await createCollectionExpectSuccess();583    await setCollectionSponsorExpectSuccess(collectionId, bob.address);584    await confirmSponsorshipExpectSuccess(collectionId, '//Bob');585586    await usingApi(async api => {587      const scheduledId = await makeScheduledId();588      const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT', alice.address);589590      const bobBalanceBefore = await getFreeBalance(bob);591      const waitForBlocks = 4;592      // no need to wait to check, fees must be deducted on scheduling, immediately593      await scheduleTransferExpectSuccess(api, collectionId, tokenId, alice, bob, 0, waitForBlocks, scheduledId);594      const bobBalanceAfter = await getFreeBalance(bob);595      // expect(aliceBalanceAfter == aliceBalanceBefore).to.be.true;596      expect(bobBalanceAfter < bobBalanceBefore).to.be.true;597      // wait for sequentiality matters598      await waitNewBlocks(waitForBlocks - 1);599    });600  });601602  it('Schedules and dispatches a transaction even if the caller has no funds at the time of the dispatch', async () => {603    await usingApi(async (api, privateKeyWrapper) => {604      // Find an empty, unused account605      const zeroBalance = await findUnusedAddress(api, privateKeyWrapper);606607      const collectionId = await createCollectionExpectSuccess();608609      // Add zeroBalance address to allow list610      await enablePublicMintingExpectSuccess(alice, collectionId);611      await addToAllowListExpectSuccess(alice, collectionId, zeroBalance.address);612613      // Grace zeroBalance with money, enough to cover future transactions614      const balanceTx = api.tx.balances.transfer(zeroBalance.address, 1n * UNIQUE);615      await submitTransactionAsync(alice, balanceTx);616617      // Mint a fresh NFT618      const tokenId = await createItemExpectSuccess(zeroBalance, collectionId, 'NFT');619      const scheduledId = await makeScheduledId();620621      // Schedule transfer of the NFT a few blocks ahead622      const waitForBlocks = 5;623      await scheduleTransferExpectSuccess(api, collectionId, tokenId, zeroBalance, alice, 1, waitForBlocks, scheduledId);624625      // Get rid of the account's funds before the scheduled transaction takes place626      const balanceTx2 = api.tx.balances.transfer(alice.address, UNIQUE * 68n / 100n);627      const events = await submitTransactionAsync(zeroBalance, balanceTx2);628      expect(getGenericResult(events).success).to.be.true;629      /*const emptyBalanceTx = api.tx.balances.setBalance(zeroBalance.address, 0, 0); // do not null reserved?630      const sudoTx = api.tx.sudo.sudo(emptyBalanceTx as any);631      const events = await submitTransactionAsync(alice, sudoTx);632      expect(getGenericResult(events).success).to.be.true;*/633634      // Wait for a certain number of blocks, discarding the ones that already happened while accepting the late transactions635      await waitNewBlocks(waitForBlocks - 3);636637      expect(await getTokenOwner(api, collectionId, tokenId)).to.be.deep.equal(normalizeAccountId(alice.address));638    });639  });640641  it('Sponsor going bankrupt does not impact a scheduled transaction', async () => {642    const collectionId = await createCollectionExpectSuccess();643644    await usingApi(async (api, privateKeyWrapper) => {645      const zeroBalance = await findUnusedAddress(api, privateKeyWrapper);646      const balanceTx = api.tx.balances.transfer(zeroBalance.address, 1n * UNIQUE);647      await submitTransactionAsync(alice, balanceTx);648649      await setCollectionSponsorExpectSuccess(collectionId, zeroBalance.address);650      await confirmSponsorshipByKeyExpectSuccess(collectionId, zeroBalance);651652      const scheduledId = await makeScheduledId();653      const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT', alice.address);654655      const waitForBlocks = 5;656      await scheduleTransferExpectSuccess(api, collectionId, tokenId, alice, zeroBalance, 1, waitForBlocks, scheduledId);657658      const emptyBalanceSponsorTx = api.tx.balances.setBalance(zeroBalance.address, 0, 0);659      const sudoTx = api.tx.sudo.sudo(emptyBalanceSponsorTx as any);660      const events = await submitTransactionAsync(alice, sudoTx);661      expect(getGenericResult(events).success).to.be.true;662663      // Wait for a certain number of blocks, save for the ones that already happened while accepting the late transactions664      await waitNewBlocks(waitForBlocks - 3);665666      expect(await getTokenOwner(api, collectionId, tokenId)).to.be.deep.equal(normalizeAccountId(zeroBalance.address));667    });668  });669670  it('Exceeding sponsor rate limit without having enough funds prevents scheduling a periodic transaction', async () => {671    const collectionId = await createCollectionExpectSuccess();672    await setCollectionSponsorExpectSuccess(collectionId, bob.address);673    await confirmSponsorshipExpectSuccess(collectionId, '//Bob');674675    await usingApi(async (api, privateKeyWrapper) => {676      const zeroBalance = await findUnusedAddress(api, privateKeyWrapper);677678      await enablePublicMintingExpectSuccess(alice, collectionId);679      await addToAllowListExpectSuccess(alice, collectionId, zeroBalance.address);680681      const bobBalanceBefore = await getFreeBalance(bob);682683      const createData = {nft: {const_data: [], variable_data: []}};684      const creationTx = api.tx.unique.createItem(collectionId, normalizeAccountId(zeroBalance), createData as any);685      const scheduledId = await makeScheduledId();686687      /*const badTransaction = async function () {688        await submitTransactionExpectFailAsync(zeroBalance, zeroToAlice);689      };690      await expect(badTransaction()).to.be.rejectedWith('Inability to pay some fees');*/691692      await expect(scheduleAfter(api, creationTx, zeroBalance, 3, scheduledId, 1, 3)).to.be.rejectedWith(/Inability to pay some fees/);693694      expect(await getFreeBalance(bob)).to.be.equal(bobBalanceBefore);695    });696  });697});