git.delta.rocks / unique-network / refs/commits / ba41614ffa73

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 {IKeyringPair} from '@polkadot/types/types';18import {19  itSub, usingPlaygrounds, Pallets, requirePalletsOrSkip, LOCKING_PERIOD, UNLOCKING_PERIOD,20} from '../../util';21import {DevUniqueHelper} from '../../util/playgrounds/unique.dev';22import {itEth, expect, SponsoringMode} from '../../eth/util';2324let donor: IKeyringPair;25let palletAdmin: IKeyringPair;26let nominal: bigint;27let palletAddress: string;28let accounts: IKeyringPair[];29let usedAccounts: IKeyringPair[] = [];3031function getAccount(accountsNumber: number) {32  const accs = accounts.splice(0, accountsNumber);33  usedAccounts.push(...accs);34  return accs;35}36// App promotion periods:37// LOCKING_PERIOD = 12 blocks of relay38// UNLOCKING_PERIOD = 6 blocks of parachain3940describe('App promotion', () => {41  before(async function () {42    await usingPlaygrounds(async (helper, privateKey) => {43      requirePalletsOrSkip(this, helper, [Pallets.AppPromotion]);44      donor = await privateKey({url: import.meta.url});45      palletAddress = helper.arrange.calculatePalletAddress('appstake');46      palletAdmin = await privateKey('//PromotionAdmin');47      nominal = helper.balance.getOneTokenNominal();4849      const accountBalances = new Array(200).fill(1000n);50      accounts = await helper.arrange.createAccounts(accountBalances, donor); // create accounts-pool to speed up tests51    });52  });5354  afterEach(async () => {55    await usingPlaygrounds(async (helper) => {56      let unstakeTxs = [];57      for (const account of usedAccounts) {58        if (unstakeTxs.length === 3) {59          await Promise.all(unstakeTxs);60          unstakeTxs = [];61        }62        unstakeTxs.push(helper.staking.unstakeAll(account));63      }64      await Promise.all(unstakeTxs);65      usedAccounts = [];66    });67  });6869  describe('stake extrinsic', () => {70    itSub('should "lock" staking balance, add it to "staked" map, and increase "totalStaked" amount', async ({helper}) => {71      const [staker, recepient] = getAccount(2);72      const totalStakedBefore = await helper.staking.getTotalStaked();7374      // Minimum stake amount is 100:75      await expect(helper.staking.stake(staker, 100n * nominal - 1n)).to.be.rejected;76      await helper.staking.stake(staker, 100n * nominal);7778      // Staker balance is: miscFrozen: 100, feeFrozen: 100, reserved: 0n...79      // ...so he can not transfer 90080      expect(await helper.balance.getSubstrateFull(staker.address)).to.contain({miscFrozen: 100n * nominal, feeFrozen: 100n * nominal, reserved: 0n});81      expect(await helper.balance.getLocked(staker.address)).to.deep.eq([{id: 'appstake', amount: 100n * nominal, reasons: 'All'}]);82      await expect(helper.balance.transferToSubstrate(staker, recepient.address, 900n * nominal)).to.be.rejectedWith('balances.LiquidityRestrictions');8384      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(100n * nominal);85      expect(await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n);86      // it is potentially flaky test. Promotion can credited some tokens. Maybe we need to use closeTo?87      expect(await helper.staking.getTotalStaked()).to.be.equal(totalStakedBefore + 100n * nominal); // total tokens amount staked in app-promotion increased888990      await helper.staking.stake(staker, 200n * nominal);91      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(300n * nominal);92      const totalStakedPerBlock = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});93      expect(totalStakedPerBlock[0].amount).to.equal(100n * nominal);94      expect(totalStakedPerBlock[1].amount).to.equal(200n * nominal);95    });9697    [98      {unstake: 'unstakeAll' as const},99      {unstake: 'unstakePartial' as const},100    ].map(testCase => {101      itSub('should allow to create maximum 10 stakes for account', async ({helper}) => {102        const [staker] = await helper.arrange.createAccounts([2000n], donor);103        const ONE_STAKE = 100n * nominal;104        for (let i = 0; i < 10; i++) {105          await helper.staking.stake(staker, ONE_STAKE);106        }107108        // can have 10 stakes109        expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(1000n * nominal);110        expect(await helper.staking.getTotalStakedPerBlock({Substrate: staker.address})).to.have.length(10);111112        await expect(helper.staking.stake(staker, ONE_STAKE)).to.be.rejectedWith('appPromotion.NoPermission');113114        // After unstake can stake again115116        // CASE 1: unstakeAll117        if (testCase.unstake === 'unstakeAll') {118          await helper.staking.unstakeAll(staker);119          expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(0);120          await helper.staking.stake(staker, 100n * nominal);121          expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.equal(100n * nominal);122        }123        // CASE 2: unstakePartial124        else {125          await helper.staking.unstakePartial(staker, ONE_STAKE);126          expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(9);127          await helper.staking.stake(staker, 100n * nominal);128          expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(10);129          await expect(helper.staking.stake(staker, 100n * nominal)).to.be.rejectedWith('appPromotion.NoPermission');130          await helper.staking.unstakePartial(staker, 150n * nominal);131          expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(9);132          expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.equal(850n * nominal);133        }134      });135    });136137    itSub('should allow to stake() if balance is locked with different id', async ({helper}) => {138      const [staker] = getAccount(1);139140      // staker has tokens locked with vesting id:141      await helper.balance.vestedTransfer(donor, staker.address, {start: 0n, period: 1n, periodCount: 1n, perPeriod: 200n * nominal});142      expect(await helper.balance.getSubstrateFull(staker.address))143        .to.deep.contain({free: 1200n * nominal, miscFrozen: 200n * nominal, feeFrozen: 200n * nominal, reserved: 0n});144145      // Locked balance can be staked. staker can stake 1200 tokens (minus fee):146      await helper.staking.stake(staker, 1000n * nominal);147      await helper.staking.stake(staker, 199n * nominal);148      // check balances149      expect(await helper.balance.getLocked(staker.address)).to.deep.eq([{id: 'ormlvest', amount: 200n * nominal, reasons: 'All'}, {id: 'appstake', amount: 1199n * nominal, reasons: 'All'}]);150      expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, miscFrozen: 1199n * nominal, feeFrozen: 1199n * nominal});151      expect(await helper.balance.getSubstrate(staker.address) / nominal).to.eq(1199n);152      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(1199n * nominal);153154      // staker can unstake155      await helper.staking.unstakeAll(staker);156      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(1199n * nominal);157      const [pendingUnstake] = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});158      await helper.wait.forParachainBlockNumber(pendingUnstake.block);159160      // check balances161      expect(await helper.balance.getLocked(staker.address)).to.deep.eq([{id: 'ormlvest', amount: 200n * nominal, reasons: 'All'}]);162      expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, miscFrozen: 200n * nominal, feeFrozen: 200n * nominal});163      expect(await helper.balance.getSubstrate(staker.address) / nominal).to.eq(1199n);164      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(0n);165166      // staker can transfer balances now167      await helper.balance.transferToSubstrate(staker, donor.address, 900n * nominal);168    });169170    itSub('should not allow to stake(), if stake amount is more than total free balance minus locked by staking', async ({helper}) => {171      const [staker] = getAccount(1);172173      // Can't stake full balance because Alice needs to pay some fee174      await expect(helper.staking.stake(staker, 1000n * nominal)).to.be.rejected; // With('Arithmetic')175      await helper.staking.stake(staker, 500n * nominal);176177      // Can't stake 500 tkn because Alice has Less than 500 transferable;178      await expect(helper.staking.stake(staker, 500n * nominal)).to.be.rejected; // With('Arithmetic');179      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(500n * nominal);180    });181182    itSub('for different accounts in one block is possible', async ({helper}) => {183      const crowd = getAccount(4);184185      const crowdStartsToStake = crowd.map(user => helper.staking.stake(user, 100n * nominal));186      await expect(Promise.all(crowdStartsToStake)).to.be.fulfilled;187188      const crowdStakes = await Promise.all(crowd.map(address => helper.staking.getTotalStaked({Substrate: address.address})));189      expect(crowdStakes).to.deep.equal([100n * nominal, 100n * nominal, 100n * nominal, 100n * nominal]);190    });191  });192193  describe('Unstaking', () => {194    [195      {method: 'unstakeAll' as const},196      {method: 'unstakePartial' as const},197    ].map(testCase => {198      itSub(`[${testCase.method}] should move tokens to "pendingUnstake" and subtract it from totalStaked`, async ({helper}) => {199        const [staker, recepient] = getAccount(2);200        const totalStakedBefore = await helper.staking.getTotalStaked();201        const STAKE_AMOUNT = 900n * nominal;202203        await helper.staking.stake(staker, STAKE_AMOUNT);204        testCase.method === 'unstakeAll'205          ? await helper.staking.unstakeAll(staker)206          : await helper.staking.unstakePartial(staker, STAKE_AMOUNT);207208        // Right after unstake tokens are still locked209        expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(0);210        expect(await helper.balance.getLocked(staker.address)).to.deep.eq([{id: 'appstake', amount: STAKE_AMOUNT, reasons: 'All'}]);211        expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, miscFrozen: STAKE_AMOUNT, feeFrozen: STAKE_AMOUNT});212        // Staker can not transfer213        await expect(helper.balance.transferToSubstrate(staker, recepient.address, 100n * nominal)).to.be.rejectedWith('balances.LiquidityRestrictions');214        expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.be.equal(STAKE_AMOUNT);215        expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(0n);216        expect(await helper.staking.getTotalStaked()).to.be.equal(totalStakedBefore);217      });218    });219220    [221      {method: 'unstakeAll' as const},222      {method: 'unstakePartial' as const},223    ].map(testCase => {224      itSub(`[${testCase.method}] should unlock balance after unlocking period ends and remove it from "pendingUnstake"`, async ({helper}) => {225        const [staker] = getAccount(1);226        await helper.staking.stake(staker, 100n * nominal);227        testCase.method === 'unstakeAll'228          ? await helper.staking.unstakeAll(staker)229          : await helper.staking.unstakePartial(staker, 100n * nominal);230        const [pendingUnstake] = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});231232        // Wait for unstaking period. Balance now free ~1000; reserved, frozen, miscFrozeb: 0n233        await helper.wait.forParachainBlockNumber(pendingUnstake.block);234        expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, miscFrozen: 0n, feeFrozen: 0n});235        expect(await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n);236237        // staker can transfer:238        await helper.balance.transferToSubstrate(staker, donor.address, 998n * nominal);239        expect(await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(1n);240      });241    });242243    [244      {method: 'unstakeAll' as const},245      {method: 'unstakePartial' as const},246    ].map(testCase => {247      itSub(`[${testCase.method}] should successfully unstake multiple stakes`, async ({helper}) => {248        const [staker] = getAccount(1);249        await helper.staking.stake(staker, 100n * nominal);250        await helper.staking.stake(staker, 200n * nominal);251        await helper.staking.stake(staker, 300n * nominal);252253        // staked: [100, 200, 300]; unstaked: 0254        let totalPendingUnstake = await helper.staking.getPendingUnstake({Substrate: staker.address});255        let pendingUnstake = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});256        let stakes = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});257        expect(totalPendingUnstake).to.be.deep.equal(0n);258        expect(pendingUnstake).to.be.deep.equal([]);259        expect(stakes[0].amount).to.equal(100n * nominal);260        expect(stakes[1].amount).to.equal(200n * nominal);261        expect(stakes[2].amount).to.equal(300n * nominal);262263        // Can unstake multiple stakes264        testCase.method === 'unstakeAll'265          ? await helper.staking.unstakeAll(staker)266          : await helper.staking.unstakePartial(staker, 600n * nominal);267268        pendingUnstake = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});269        totalPendingUnstake = await helper.staking.getPendingUnstake({Substrate: staker.address});270        stakes = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});271        expect(totalPendingUnstake).to.be.equal(600n * nominal);272        expect(stakes).to.be.deep.equal([]);273        expect(pendingUnstake[0].amount).to.equal(600n * nominal);274275        expect (await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, feeFrozen: 600n * nominal, miscFrozen: 600n * nominal});276        expect (await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n);277        await helper.wait.forParachainBlockNumber(pendingUnstake[0].block);278        expect (await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, feeFrozen: 0n, miscFrozen: 0n});279        expect (await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n);280      });281    });282283    [284      {method: 'unstakeAll' as const},285      {method: 'unstakePartial' as const},286    ].map(testCase => {287      itSub(`[${testCase.method}] should not have any effects if no active stakes`, async ({helper}) => {288        const [staker] = getAccount(1);289290        // unstake has no effect if no stakes at all291        testCase.method === 'unstakeAll'292          ? await helper.staking.unstakeAll(staker)293          : await expect(helper.staking.unstakePartial(staker, 100n * nominal)).to.be.rejectedWith('appPromotion.InsufficientStakedBalance');294295        expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.be.equal(0n);296        expect(await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n); // TODO bigint closeTo helper297298        // TODO stake() unstake() waitUnstaked() unstake();299300        // can't unstake if there are only pendingUnstakes301        await helper.staking.stake(staker, 100n * nominal);302303        if (testCase.method === 'unstakeAll') {304          await helper.staking.unstakeAll(staker);305          await helper.staking.unstakeAll(staker);306        } else {307          await helper.staking.unstakePartial(staker, 100n * nominal);308          await expect(helper.staking.unstakePartial(staker, 100n * nominal)).to.be.rejectedWith('appPromotion.InsufficientStakedBalance');309        }310311        expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(0);312        expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.be.equal(100n * nominal);313        expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(0n);314      });315    });316317    [318      {method: 'unstakeAll' as const},319      {method: 'unstakePartial' as const},320    ].map(testCase => {321      itSub(`[${testCase.method}] should create different pending-unlock for each unlocking stake`, async ({helper}) => {322        const [staker] = getAccount(1);323        await helper.staking.stake(staker, 100n * nominal);324        testCase.method === 'unstakeAll'325          ? await helper.staking.unstakeAll(staker)326          : await helper.staking.unstakePartial(staker, 100n * nominal);327        await helper.staking.stake(staker, 120n * nominal);328        testCase.method === 'unstakeAll'329          ? await helper.staking.unstakeAll(staker)330          : await helper.staking.unstakePartial(staker, 120n * nominal);331332        const unstakingPerBlock = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});333        expect(unstakingPerBlock).has.length(2);334        expect(unstakingPerBlock[0].amount).to.equal(100n * nominal);335        expect(unstakingPerBlock[1].amount).to.equal(120n * nominal);336        expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.equal(0);337      });338    });339340    [341      {method: 'unstakeAll' as const},342      {method: 'unstakePartial' as const},343    ].map(testCase => {344      itSub(`[${testCase.method}] should be possible for 3 accounts in one block`, async ({helper}) => {345        const stakers = getAccount(3);346347        await Promise.all(stakers.map(staker => helper.staking.stake(staker, 100n * nominal)));348        await Promise.all(stakers.map(staker => {349          return testCase.method === 'unstakeAll'350            ? helper.staking.unstakeAll(staker)351            : helper.staking.unstakePartial(staker, 100n * nominal);352        }));353354        await Promise.all(stakers.map(async (staker) => {355          expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.be.equal(100n * nominal);356          expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(0n);357        }));358      });359    });360361    itSub('should not be possible for more than 3 accounts in one block', async ({helper}) => {362      if (!await helper.arrange.isDevNode()) {363        const stakers = getAccount(10);364365        await Promise.all(stakers.map(staker => helper.staking.stake(staker, 100n * nominal)));366        const unstakingResults = await Promise.allSettled(stakers.map((staker, i) => {367          return i % 2 === 0368            ? helper.staking.unstakeAll(staker)369            : helper.staking.unstakePartial(staker, 100n * nominal);370        }));371372        const successfulUnstakes = unstakingResults.filter(result => result.status === 'fulfilled');373        expect(successfulUnstakes).to.have.length(3);374      }375    });376377    itSub('Cannot partially unstake more than staked', async ({helper}) => {378      const [staker] = getAccount(1);379      // Staker stakes 300:380      await helper.staking.stake(staker, 100n * nominal);381      await helper.staking.stake(staker, 200n * nominal);382383      // cannot usntake 300.00000...1384      await expect(helper.staking.unstakePartial(staker, 300n * nominal + 1n)).to.be.rejectedWith('appPromotion.InsufficientStakedBalance');385      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).eq(2);386387      await helper.staking.unstakePartial(staker, 150n * nominal);388      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).eq(1);389      await expect(helper.staking.unstakePartial(staker, 150n * nominal + 1n)).to.be.rejectedWith('appPromotion.InsufficientStakedBalance');390      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).eq(1);391392      // nothing broken, can unstake full amount:393      await helper.staking.unstakePartial(staker, 150n * nominal);394      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).eq(0);395    });396397    itSub('Can partially unstake arbitrary amount', async ({helper}) => {398      const [staker] = getAccount(1);399      await helper.staking.stake(staker, 100n * nominal);400      await helper.staking.stake(staker, 200n * nominal);401402      // 0. Staker cannot unstake negative amount403      await expect(helper.staking.unstakePartial(staker, -1n)).to.be.rejected;404405      // 1. Staker can unstake 0 wei406      await helper.staking.unstakePartial(staker, 0n);407      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(2);408      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(300n * nominal);409      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(0n);410411      // 2. Staker can unstake 1 wei412      await helper.staking.unstakePartial(staker, 1n);413      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(2);414      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(300n * nominal - 1n);415      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(1n);416      // 2.1 The oldest stake decreased:417      let [stake1, stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});418      expect(stake1.amount).to.eq(100n * nominal - 1n);419      expect(stake2.amount).to.eq(200n * nominal);420421      // 3. Staker can unstake all but 1 wei422      await helper.staking.unstakePartial(staker, 100n * nominal - 2n);423      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(2);424      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(200n * nominal + 1n);425      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(100n * nominal - 1n);426      [stake1, stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});427      expect(stake1.amount).to.eq(1n);428      expect(stake2.amount).to.eq(200n * nominal);429    });430431    itSub('can mix different type of unstakes', async ({helper}) => {432      const [staker] = getAccount(1);433      await helper.staking.stake(staker, 100n * nominal);434      await helper.staking.stake(staker, 200n * nominal);435436      await helper.staking.unstakePartial(staker, 50n * nominal);437      await helper.staking.unstakeAll(staker);438      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(0);439      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(0n);440      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(300n * nominal);441442      const [_unstake1, unstake2] = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});443      await helper.wait.forParachainBlockNumber(unstake2.block);444445      expect(await helper.balance.getLocked(staker.address)).to.deep.eq([]);446      expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, miscFrozen: 0n, feeFrozen: 0n});447      expect(await helper.balance.getSubstrate(staker.address) / nominal).to.eq(999n);448      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(0n);449      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(0n);450      expect(await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address})).to.deep.eq([]);451    });452  });453454  describe('collection sponsoring', () => {455    itSub('should actually sponsor transactions', async ({helper}) => {456      const api = helper.getApi();457      const [collectionOwner, tokenSender, receiver] = getAccount(3);458      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'Name', description: 'Description', tokenPrefix: 'Prefix', limits: {sponsorTransferTimeout: 0}});459      const token = await collection.mintToken(collectionOwner, {Substrate: tokenSender.address});460      await helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId));461      const palletBalanceBefore = await helper.balance.getSubstrate(palletAddress);462463      await token.transfer(tokenSender, {Substrate: receiver.address});464      expect (await token.getOwner()).to.be.deep.equal({Substrate: receiver.address});465      const palletBalanceAfter = await helper.balance.getSubstrate(palletAddress);466467      // senders balance the same, transaction has sponsored468      expect (await helper.balance.getSubstrate(tokenSender.address)).to.be.equal(1000n * nominal);469      expect (palletBalanceBefore > palletBalanceAfter).to.be.true;470    });471472    itSub('can not be set by non admin', async ({helper}) => {473      const api = helper.getApi();474      const [collectionOwner, nonAdmin] = getAccount(2);475476      const collection  = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});477478      await expect(helper.signTransaction(nonAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId))).to.be.rejected;479      expect((await collection.getData())?.raw.sponsorship).to.equal('Disabled');480    });481482    itSub('should set pallet address as confirmed admin', async ({helper}) => {483      const api = helper.getApi();484      const [collectionOwner, oldSponsor] = getAccount(2);485486      // Can set sponsoring for collection without sponsor487      const collectionWithoutSponsor = await helper.nft.mintCollection(collectionOwner, {name: 'No-sponsor', description: 'New Collection', tokenPrefix: 'Promotion'});488      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionWithoutSponsor.collectionId))).to.be.fulfilled;489      expect((await collectionWithoutSponsor.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});490491      // Can set sponsoring for collection with unconfirmed sponsor492      const collectionWithUnconfirmedSponsor = await helper.nft.mintCollection(collectionOwner, {name: 'Unconfirmed', description: 'New Collection', tokenPrefix: 'Promotion', pendingSponsor: oldSponsor.address});493      expect((await collectionWithUnconfirmedSponsor.getData())?.raw.sponsorship).to.be.deep.equal({Unconfirmed: oldSponsor.address});494      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionWithUnconfirmedSponsor.collectionId))).to.be.fulfilled;495      expect((await collectionWithUnconfirmedSponsor.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});496497      // Can set sponsoring for collection with confirmed sponsor498      const collectionWithConfirmedSponsor = await helper.nft.mintCollection(collectionOwner, {name: 'Confirmed', description: 'New Collection', tokenPrefix: 'Promotion', pendingSponsor: oldSponsor.address});499      await collectionWithConfirmedSponsor.confirmSponsorship(oldSponsor);500      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionWithConfirmedSponsor.collectionId))).to.be.fulfilled;501      expect((await collectionWithConfirmedSponsor.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});502    });503504    itSub('can be overwritten by collection owner', async ({helper}) => {505      const api = helper.getApi();506      const [collectionOwner, newSponsor] = getAccount(2);507      const collection  = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});508      const collectionId = collection.collectionId;509510      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionId))).to.be.fulfilled;511512      // Collection limits still can be changed by the owner513      expect(await collection.setLimits(collectionOwner, {sponsorTransferTimeout: 0})).to.be.true;514      expect((await collection.getData())?.raw.limits.sponsorTransferTimeout).to.be.equal(0);515      expect((await collection.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});516517      // Collection sponsor can be changed too518      expect((await collection.setSponsor(collectionOwner, newSponsor.address))).to.be.true;519      expect((await collection.getData())?.raw.sponsorship).to.be.deep.equal({Unconfirmed: newSponsor.address});520    });521522    itSub('should not overwrite collection limits set by the owner earlier', async ({helper}) => {523      const api = helper.getApi();524      const limits = {ownerCanDestroy: true, ownerCanTransfer: true, sponsorTransferTimeout: 0};525      const collectionWithLimits = await helper.nft.mintCollection(getAccount(1)[0], {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion', limits});526527      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionWithLimits.collectionId))).to.be.fulfilled;528      expect((await collectionWithLimits.getData())?.raw.limits).to.be.deep.contain(limits);529    });530531    itSub('should reject transaction if collection doesn\'t exist', async ({helper}) => {532      const api = helper.getApi();533      const [collectionOwner] = getAccount(1);534535      // collection has never existed536      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(999999999))).to.be.rejected;537      // collection has been burned538      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});539      await collection.burn(collectionOwner);540541      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId))).to.be.rejected;542    });543  });544545  describe('stopSponsoringCollection', () => {546    itSub('can not be called by non-admin', async ({helper}) => {547      const api = helper.getApi();548      const [collectionOwner, nonAdmin] = getAccount(2);549      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});550551      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId))).to.be.fulfilled;552553      await expect(helper.signTransaction(nonAdmin, api.tx.appPromotion.stopSponsoringCollection(collection.collectionId))).to.be.rejected;554      expect((await collection.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});555    });556557    itSub('should set sponsoring as disabled', async ({helper}) => {558      const api = helper.getApi();559      const [collectionOwner, recepient] = getAccount(2);560      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion', limits: {sponsorTransferTimeout: 0}});561      const token = await collection.mintToken(collectionOwner, {Substrate: collectionOwner.address});562563      await helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId));564      await helper.signTransaction(palletAdmin, api.tx.appPromotion.stopSponsoringCollection(collection.collectionId));565566      expect((await collection.getData())?.raw.sponsorship).to.be.equal('Disabled');567568      // Transactions are not sponsored anymore:569      const ownerBalanceBefore = await helper.balance.getSubstrate(collectionOwner.address);570      await token.transfer(collectionOwner, {Substrate: recepient.address});571      const ownerBalanceAfter = await helper.balance.getSubstrate(collectionOwner.address);572      expect(ownerBalanceAfter < ownerBalanceBefore).to.be.equal(true);573    });574575    itSub('should not affect collection which is not sponsored by pallete', async ({helper}) => {576      const api = helper.getApi();577      const [collectionOwner] = getAccount(1);578      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion', pendingSponsor: collectionOwner.address});579      await collection.confirmSponsorship(collectionOwner);580581      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.stopSponsoringCollection(collection.collectionId))).to.be.rejected;582583      expect((await collection.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: collectionOwner.address});584    });585586    itSub('should reject transaction if collection does not exist', async ({helper}) => {587      const [collectionOwner] = getAccount(1);588      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});589590      await collection.burn(collectionOwner);591      await expect(helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.stopSponsoringCollection', [collection.collectionId], true)).to.be.rejectedWith('common.CollectionNotFound');592      await expect(helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.stopSponsoringCollection', [999_999_999], true)).to.be.rejectedWith('common.CollectionNotFound');593    });594  });595596  describe('contract sponsoring', () => {597    itEth('should set palletes address as a sponsor', async ({helper}) => {598      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();599      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);600      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);601602      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address]);603604      expect(await contractHelper.methods.hasSponsor(flipper.options.address).call()).to.be.true;605      expect((await helper.callRpc('api.query.evmContractHelpers.owner', [flipper.options.address])).toJSON()).to.be.equal(contractOwner);606      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({607        confirmed: {608          substrate: palletAddress,609        },610      });611    });612613    itEth('should overwrite sponsoring mode and existed sponsor', async ({helper}) => {614      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();615      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);616      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);617618      await expect(contractHelper.methods.selfSponsoredEnable(flipper.options.address).send()).to.be.fulfilled;619620      // Contract is self sponsored621      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.be.deep.equal({622        confirmed: {623          ethereum: flipper.options.address.toLowerCase(),624        },625      });626627      // set promotion sponsoring628      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true);629630      // new sponsor is pallet address631      expect(await contractHelper.methods.hasSponsor(flipper.options.address).call()).to.be.true;632      expect((await helper.callRpc('api.query.evmContractHelpers.owner', [flipper.options.address])).toJSON()).to.be.equal(contractOwner);633      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({634        confirmed: {635          substrate: palletAddress,636        },637      });638    });639640    itEth('can be overwritten by contract owner', async ({helper}) => {641      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();642      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);643      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);644645      // contract sponsored by pallet646      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true);647648      // owner sets self sponsoring649      await expect(contractHelper.methods.selfSponsoredEnable(flipper.options.address).send()).to.be.not.rejected;650651      expect(await contractHelper.methods.hasSponsor(flipper.options.address).call()).to.be.true;652      expect((await helper.callRpc('api.query.evmContractHelpers.owner', [flipper.options.address])).toJSON()).to.be.equal(contractOwner);653      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({654        confirmed: {655          ethereum: flipper.options.address.toLowerCase(),656        },657      });658    });659660    itEth('can not be set by non admin', async ({helper}) => {661      const [nonAdmin] = getAccount(1);662      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();663      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);664      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);665666      await expect(contractHelper.methods.selfSponsoredEnable(flipper.options.address).send()).to.be.fulfilled;667668      // nonAdmin calls sponsorContract669      await expect(helper.executeExtrinsic(nonAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true)).to.be.rejectedWith('appPromotion.NoPermission');670671      // contract still self-sponsored672      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({673        confirmed: {674          ethereum: flipper.options.address.toLowerCase(),675        },676      });677    });678679    itEth('should actually sponsor transactions', async ({helper}) => {680      // Contract caller681      const caller = await helper.eth.createAccountWithBalance(donor, 1000n);682      const palletBalanceBefore = await helper.balance.getSubstrate(palletAddress);683684      // Deploy flipper685      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();686      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);687      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);688689      // Owner sets to sponsor every tx690      await contractHelper.methods.setSponsoringRateLimit(flipper.options.address, 0).send({from: contractOwner});691      await contractHelper.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Generous).send({from: contractOwner});692      await helper.eth.transferBalanceFromSubstrate(donor, flipper.options.address, 1000n); // transferBalanceToEth(api, alice, flipper.options.address, 1000n);693694      // Set promotion to the Flipper695      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true);696697      // Caller calls Flipper698      await flipper.methods.flip().send({from: caller});699      expect(await flipper.methods.getValue().call()).to.be.true;700701      // The contracts and caller balances have not changed702      const callerBalance = await helper.balance.getEthereum(caller);703      const contractBalanceAfter = await helper.balance.getEthereum(flipper.options.address);704      expect(callerBalance).to.be.equal(1000n * nominal);705      expect(1000n * nominal === contractBalanceAfter).to.be.true;706707      // The pallet balance has decreased708      const palletBalanceAfter = await helper.balance.getSubstrate(palletAddress);709      expect(palletBalanceAfter < palletBalanceBefore).to.be.true;710    });711  });712713  describe('stopSponsoringContract', () => {714    itEth('should remove pallet address from contract sponsors', async ({helper}) => {715      const caller = await helper.eth.createAccountWithBalance(donor, 1000n);716      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();717      const flipper = await helper.eth.deployFlipper(contractOwner);718      await helper.eth.transferBalanceFromSubstrate(donor, flipper.options.address);719      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);720721      await contractHelper.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Generous).send({from: contractOwner});722      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true);723      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.stopSponsoringContract', [flipper.options.address], true);724725      expect(await contractHelper.methods.hasSponsor(flipper.options.address).call()).to.be.false;726      expect((await helper.callRpc('api.query.evmContractHelpers.owner', [flipper.options.address])).toJSON()).to.be.equal(contractOwner);727      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({728        disabled: null,729      });730731      await flipper.methods.flip().send({from: caller});732      expect(await flipper.methods.getValue().call()).to.be.true;733734      const callerBalance = await helper.balance.getEthereum(caller);735      const contractBalanceAfter = await helper.balance.getEthereum(flipper.options.address);736737      // caller payed for call738      expect(1000n * nominal > callerBalance).to.be.true;739      expect(contractBalanceAfter).to.be.equal(100n * nominal);740    });741742    itEth('can not be called by non-admin', async ({helper}) => {743      const [nonAdmin] = getAccount(1);744      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();745      const flipper = await helper.eth.deployFlipper(contractOwner);746747      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address]);748      await expect(helper.executeExtrinsic(nonAdmin, 'api.tx.appPromotion.stopSponsoringContract', [flipper.options.address]))749        .to.be.rejectedWith(/appPromotion\.NoPermission/);750    });751752    itEth('should not affect a contract which is not sponsored by pallete', async ({helper}) => {753      const [nonAdmin] = getAccount(1);754      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();755      const flipper = await helper.eth.deployFlipper(contractOwner);756      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);757      await expect(contractHelper.methods.selfSponsoredEnable(flipper.options.address).send()).to.be.fulfilled;758759      await expect(helper.executeExtrinsic(nonAdmin, 'api.tx.appPromotion.stopSponsoringContract', [flipper.options.address], true)).to.be.rejectedWith('appPromotion.NoPermission');760    });761  });762763  describe('payoutStakers', () => {764    itSub('can not be called by non admin', async ({helper}) => {765      const [nonAdmin] = getAccount(1);766      await expect(helper.admin.payoutStakers(nonAdmin, 100)).to.be.rejectedWith('appPromotion.NoPermission');767    });768769    itSub('should increase total staked', async ({helper}) => {770      const [staker] = getAccount(1);771      const totalStakedBefore = await helper.staking.getTotalStaked();772      await helper.staking.stake(staker, 100n * nominal);773774      // Wait for rewards and pay775      const [stakedInBlock] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});776      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stakedInBlock.block));777      const totalPayout = (await helper.admin.payoutStakers(palletAdmin, 100)).reduce((prev, payout) => prev + payout.payout, 0n);778779      const totalStakedAfter = await helper.staking.getTotalStaked();780      expect(totalStakedAfter).to.equal(totalStakedBefore + (100n * nominal) + totalPayout);781      // staker can unstake782      await helper.staking.unstakeAll(staker);783      expect(await helper.staking.getTotalStaked()).to.be.equal(totalStakedAfter - calculateIncome(100n * nominal));784    });785786    itSub('should credit 0.05% for staking period', async ({helper}) => {787      const [staker] = getAccount(1);788789      await waitPromotionPeriodDoesntEnd(helper);790791      await helper.staking.stake(staker, 100n * nominal);792      await helper.staking.stake(staker, 200n * nominal);793794      // wait rewards are available:795      const [_stake1, stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});796      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake2.block));797798      const payoutToStaker = (await helper.admin.payoutStakers(palletAdmin, 100)).find((payout) => payout.staker === staker.address)!.payout;799      expect(payoutToStaker + 300n * nominal).to.equal(calculateIncome(300n * nominal));800801      const totalStakedPerBlock = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});802      const income1 = calculateIncome(100n * nominal);803      const income2 = calculateIncome(200n * nominal);804      expect(totalStakedPerBlock[0].amount).to.equal(income1);805      expect(totalStakedPerBlock[1].amount).to.equal(income2);806807      const stakerBalance = await helper.balance.getSubstrateFull(staker.address);808      expect(stakerBalance).to.contain({miscFrozen: income1 + income2, feeFrozen: income1 + income2, reserved: 0n});809      expect(stakerBalance.free / nominal).to.eq(999n);810    });811812    itSub('shoud be paid for more than one period if payments was missed', async ({helper}) => {813      const [staker] = getAccount(1);814815      await helper.staking.stake(staker, 100n * nominal);816      // wait for two rewards are available:817      let [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});818      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block) + LOCKING_PERIOD);819820      await helper.admin.payoutStakers(palletAdmin, 100);821      [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});822      const frozenBalanceShouldBe = calculateIncome(100n * nominal, 2);823      expect(stake.amount).to.be.equal(frozenBalanceShouldBe);824825      const stakerFullBalance = await helper.balance.getSubstrateFull(staker.address);826827      expect(stakerFullBalance).to.contain({reserved: 0n, feeFrozen: frozenBalanceShouldBe, miscFrozen: frozenBalanceShouldBe});828    });829830    itSub('should not be credited for pending-unstaked tokens', async ({helper}) => {831      // staker unstakes before rewards been payed832      const [staker] = getAccount(1);833      await helper.staking.stake(staker, 100n * nominal);834      const [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});835      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block) + LOCKING_PERIOD);836      await helper.staking.unstakeAll(staker);837838      // so he did not receive any rewards839      const totalBalanceBefore = await helper.balance.getSubstrate(staker.address);840      await helper.admin.payoutStakers(palletAdmin, 100);841      const totalBalanceAfter = await helper.balance.getSubstrate(staker.address);842843      expect(totalBalanceBefore).to.be.equal(totalBalanceAfter);844    });845846    itSub('should bring compound interest', async ({helper}) => {847      const [staker] = getAccount(1);848849      await helper.staking.stake(staker, 100n * nominal);850851      let [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});852      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block));853854      await helper.admin.payoutStakers(palletAdmin, 100);855      [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});856      expect(stake.amount).to.equal(calculateIncome(100n * nominal));857858      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block) + LOCKING_PERIOD);859      await helper.admin.payoutStakers(palletAdmin, 100);860      [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});861      expect(stake.amount).to.equal(calculateIncome(100n * nominal, 2));862    });863864    itSub('can calculate reward for tiny stake', async ({helper}) => {865      const [staker] = getAccount(1);866      await helper.staking.stake(staker, 100n * nominal);867      await helper.staking.stake(staker, 100n * nominal);868      await helper.staking.unstakePartial(staker, 100n * nominal - 1n);869870      const [_stake1, stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});871      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake2.block));872873      const stakerPayout = await payUntilRewardFor(staker.address, helper);874      expect(stakerPayout.stake).to.eq(100n * nominal + 1n);875    });876877    itSub('can eventually pay all rewards', async ({helper}) => {878      const stakers = getAccount(30);879      // Create 30 stakes:880      await Promise.all(stakers.map(staker => helper.staking.stake(staker, 100n * nominal)));881882      let unstakingTxs = [];883      for (const staker of stakers) {884        if (unstakingTxs.length == 3) {885          await Promise.all(unstakingTxs);886          unstakingTxs = [];887        }888        unstakingTxs.push(helper.staking.unstakePartial(staker, 100n * nominal - 1n));889      }890891      const [staker] = getAccount(1);892      await helper.staking.stake(staker, 100n * nominal);893      const [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});894      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block));895896      let payouts;897      do {898        payouts = await helper.admin.payoutStakers(palletAdmin, 20);899      } while (payouts.length !== 0);900    });901  });902903  describe('events', () => {904    [905      {method: 'unstakePartial' as const},906      {method: 'unstakeAll' as const},907    ].map(testCase => {908      itSub(testCase.method, async ({helper}) => {909        const unstakeParams = testCase.method === 'unstakePartial'910          ? [100n * nominal - 1n]911          : [];912        const [staker] = getAccount(1);913        await helper.staking.stake(staker, 100n * nominal);914        await helper.staking.stake(staker, 200n * nominal);915        const {result} = await helper.executeExtrinsic(staker, `api.tx.appPromotion.${testCase.method}`, unstakeParams);916917        const event = result.events.find(e => e.event.section === 'appPromotion' && e.event.method === 'Unstake');918        const unstakerEvents = event?.event.data[0].toString();919        const unstakedEvents = BigInt(event?.event.data[1].toString());920        expect(unstakerEvents).to.eq(staker.address);921        expect(unstakedEvents).to.eq(testCase.method === 'unstakeAll' ? 300n * nominal : 100n * nominal - 1n);922      });923    });924925    itSub('stake', async ({helper}) => {926      const [staker] = getAccount(1);927      const {result} = await helper.executeExtrinsic(staker, 'api.tx.appPromotion.stake', [100n * nominal]);928929      const event = result.events.find(e => e.event.section === 'appPromotion' && e.event.method === 'Stake');930      const stakerEvents = event?.event.data[0].toString();931      const stakedEvents = BigInt(event?.event.data[1].toString());932      expect(stakerEvents).to.eq(staker.address);933      expect(stakedEvents).to.eq(100n * nominal);934    });935936    // Flaky937    itSub.skip('payoutStakers', async ({helper}) => {938      const [staker1, staker2] = getAccount(2);939      const STAKE1 = 100n * nominal;940      const STAKE2 = 200n * nominal;941      await helper.staking.stake(staker1, STAKE1);942      await helper.staking.stake(staker2, STAKE2);943944      const [stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker2.address});945      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake2.block));946947      const results = await helper.admin.payoutStakers(palletAdmin, 100);948      const stakersEvents = results.filter(ev => ev.staker === staker1.address || ev.staker === staker2.address);949      expect(stakersEvents).has.length(2);950      expect(stakersEvents).has.not.ordered.members([951        {staker: staker1.address, stake: STAKE1, payout: calculateIncome(STAKE1) - STAKE1},952        {staker: staker2.address, stake: STAKE2, payout: calculateIncome(STAKE2) - STAKE2},953      ]);954    });955  });956});957958959// Sometimes is is required to make a cycle in order for the payment to be calculated for a specific account960async function payUntilRewardFor(account: string, helper: DevUniqueHelper) {961  for (let i = 0; i < 3; i++) {962    const payouts = await helper.admin.payoutStakers(palletAdmin, 100);963    const accountPayout = payouts.find(p => p.staker === account);964    if (accountPayout) return accountPayout;965  }966  throw Error(`Cannot find payout for ${account}`);967}968969function calculateIncome(base: bigint, iter = 0, calcPeriod: bigint = UNLOCKING_PERIOD): bigint {970  const DAY = 7200n;971  const ACCURACY = 1_000_000_000n;972  // 5n / 10_000n = 0.05% p/day973  const income = base + base * (ACCURACY * (calcPeriod * 5n) / (10_000n * DAY)) / ACCURACY ;974975  if (iter > 1) {976    return calculateIncome(income, iter - 1, calcPeriod);977  } else return income;978}979980function rewardAvailableInBlock(stakedInBlock: bigint) {981  if (stakedInBlock % LOCKING_PERIOD === 0n) return stakedInBlock + LOCKING_PERIOD;982  return (stakedInBlock - stakedInBlock % LOCKING_PERIOD) + (LOCKING_PERIOD * 2n);983}984985// Wait while promotion period less than specified block, to avoid boundary cases986// 0 if this should be the beginning of the period.987async function waitPromotionPeriodDoesntEnd(helper: DevUniqueHelper, waitBlockLessThan = LOCKING_PERIOD / 3n) {988  const relayBlockNumber = (await helper.callRpc('api.query.parachainSystem.validationData', [])).value.relayParentNumber.toNumber(); // await helper.chain.getLatestBlockNumber();989  const currentPeriodBlock = BigInt(relayBlockNumber) % LOCKING_PERIOD;990991  if (currentPeriodBlock > waitBlockLessThan) {992    await helper.wait.forRelayBlockNumber(BigInt(relayBlockNumber) + LOCKING_PERIOD - currentPeriodBlock);993  }994}