git.delta.rocks / unique-network / refs/commits / 47f93e7908f3

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 type {IKeyringPair} from '@polkadot/types/types';18import {19  itSub, usingPlaygrounds, Pallets, requirePalletsOrSkip, LOCKING_PERIOD, UNLOCKING_PERIOD,20} from '../../util/index.js';21import {DevUniqueHelper} from '@unique/playgrounds/unique.dev.js';22import {itEth, expect, SponsoringMode} from '../../eth/util/index.js';2324let donor: IKeyringPair;25let palletAdmin: IKeyringPair;26let nominal: bigint;27let palletAddress: string;28let accounts: IKeyringPair[];29let usedAccounts: IKeyringPair[] = [];3031async function getAccounts(accountsNumber: number, balance?: bigint) {32  let accs: IKeyringPair[] = [];33  if(balance) {34    await usingPlaygrounds(async (helper) => {35      accs = await helper.arrange.createAccounts(new Array(accountsNumber).fill(balance), donor);36    });37  } else {38    accs = accounts.splice(0, accountsNumber);39  }40  usedAccounts.push(...accs);41  return accs;42}43// App promotion periods:44// LOCKING_PERIOD = 12 blocks of relay45// UNLOCKING_PERIOD = 6 blocks of parachain4647describe('App promotion', () => {48  before(async function () {49    await usingPlaygrounds(async (helper, privateKey) => {50      requirePalletsOrSkip(this, helper, [Pallets.AppPromotion]);51      donor = await privateKey({url: import.meta.url});52      palletAddress = helper.arrange.calculatePalletAddress('appstake');53      palletAdmin = await privateKey('//PromotionAdmin');5455      nominal = helper.balance.getOneTokenNominal();5657      const accountBalances = new Array(200).fill(1000n);58      accounts = await helper.arrange.createAccounts(accountBalances, donor); // create accounts-pool to speed up tests59    });60  });6162  afterEach(async () => {63    await usingPlaygrounds(async (helper) => {64      let unstakeTxs = [];65      for(const account of usedAccounts) {66        if(unstakeTxs.length === 3) {67          await Promise.all(unstakeTxs);68          unstakeTxs = [];69        }70        unstakeTxs.push(helper.staking.unstakeAll(account));71      }72      await Promise.all(unstakeTxs);73      usedAccounts = [];74      expect(await helper.staking.getTotalStaked()).to.eq(0n); // there are no active stakes after each test75      // Make sure previousCalculatedRecord is None to avoid problem with payout stakers;76      await helper.admin.payoutStakers(palletAdmin, 100);77      expect((await helper.getApi().query.appPromotion.previousCalculatedRecord() as any).isNone).to.be.true;78    });79  });8081  describe('stake extrinsic', () => {82    itSub('should "freeze" staking balance, add it to "staked" map, and increase "totalStaked" amount', async ({helper}) => {83      const [staker, recepient] = await getAccounts(2);84      const totalStakedBefore = await helper.staking.getTotalStaked();8586      // Minimum stake amount is 100:87      await expect(helper.staking.stake(staker, 100n * nominal - 1n)).to.be.rejected;88      await helper.staking.stake(staker, 100n * nominal);8990      // Staker balance is: frozen: 100, reserved: 0n...91      // ...so he can not transfer 90092      expect(await helper.balance.getSubstrateFull(staker.address)).to.contain({frozen: 100n * nominal, reserved: 0n});93      expect(await helper.balance.getFrozen(staker.address)).to.deep.eq([{id: 'appstakeappstake', amount: 100n * nominal}]);94      await expect(helper.balance.transferToSubstrate(staker, recepient.address, 900n * nominal)).to.be.rejectedWith(/^Token: Frozen$/);9596      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(100n * nominal);97      expect(await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n);98      // it is potentially flaky test. Promotion can credited some tokens. Maybe we need to use closeTo?99      expect(await helper.staking.getTotalStaked()).to.be.equal(totalStakedBefore + 100n * nominal); // total tokens amount staked in app-promotion increased100101      await helper.staking.stake(staker, 200n * nominal);102      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(300n * nominal);103      const totalStakedPerBlock = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});104      expect(totalStakedPerBlock[0].amount).to.equal(100n * nominal);105      expect(totalStakedPerBlock[1].amount).to.equal(200n * nominal);106    });107108    [109      {unstake: 'unstakeAll' as const},110      {unstake: 'unstakePartial' as const},111    ].map(testCase => {112      itSub(`[${testCase.unstake}] should allow to create maximum 10 stakes for account`, async ({helper}) => {113        const [staker] = await getAccounts(1, 2000n);114        const ONE_STAKE = 100n * nominal;115        for(let i = 0; i < 10; i++) {116          await helper.staking.stake(staker, ONE_STAKE);117        }118119        // can have 10 stakes120        expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(1000n * nominal);121        expect(await helper.staking.getTotalStakedPerBlock({Substrate: staker.address})).to.have.length(10);122123        await expect(helper.staking.stake(staker, ONE_STAKE)).to.be.rejectedWith('appPromotion.NoPermission');124125        // After unstake can stake again126127        // CASE 1: unstakeAll128        if(testCase.unstake === 'unstakeAll') {129          await helper.staking.unstakeAll(staker);130          expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(0);131          await helper.staking.stake(staker, 100n * nominal);132          expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.equal(100n * nominal);133        }134        // CASE 2: unstakePartial135        else {136          await helper.staking.unstakePartial(staker, ONE_STAKE);137          expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(9);138          await helper.staking.stake(staker, 100n * nominal);139          expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(10);140          await expect(helper.staking.stake(staker, 100n * nominal)).to.be.rejectedWith('appPromotion.NoPermission');141          await helper.staking.unstakePartial(staker, 150n * nominal);142          expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(9);143          expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.equal(850n * nominal);144        }145      });146    });147    // TODO: Now AppPromo makes freezes. Probably this test should be changed\removed.148    itSub.skip('should allow to stake() if balance is locked with different id', async ({helper}) => {149      const [staker] = await getAccounts(1);150151      // staker has tokens locked with vesting id:152      await helper.balance.vestedTransfer(donor, staker.address, {start: 0n, period: 1n, periodCount: 1n, perPeriod: 200n * nominal});153      expect(await helper.balance.getSubstrateFull(staker.address))154        .to.deep.contain({free: 1200n * nominal, frozen: 200n * nominal, reserved: 0n});155156      // Locked balance can be staked. staker can stake 1200 tokens (minus fee):157      await helper.staking.stake(staker, 1000n * nominal);158      await helper.staking.stake(staker, 199n * nominal);159      // check balances160      expect(await helper.balance.getLocked(staker.address)).to.deep.eq([{id: 'ormlvest', amount: 200n * nominal, reasons: 'All'}]);161      expect(await helper.balance.getFrozen(staker.address)).to.deep.eq([{id: 'appstakeappstake', amount: 1199n * nominal}]);162      expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, frozen: 1199n * nominal});163      expect(await helper.balance.getSubstrate(staker.address) / nominal).to.eq(1199n);164      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(1199n * nominal);165166      // staker can unstake167      await helper.staking.unstakeAll(staker);168      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(1199n * nominal);169      const [pendingUnstake] = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});170      await helper.wait.forParachainBlockNumber(pendingUnstake.block);171172      // check balances173      expect(await helper.balance.getLocked(staker.address)).to.deep.eq([{id: 'ormlvest', amount: 200n * nominal, reasons: 'All'}]);174      expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, frozen: 200n * nominal});175      expect(await helper.balance.getSubstrate(staker.address) / nominal).to.eq(1199n);176      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(0n);177178      // staker can transfer balances now179      await helper.balance.transferToSubstrate(staker, donor.address, 900n * nominal);180    });181182    itSub('should not allow to stake(), if stake amount is more than total free balance minus locked by staking', async ({helper}) => {183      const [staker] = await getAccounts(1);184185      // Can't stake full balance because Alice needs to pay some fee186      await expect(helper.staking.stake(staker, 1000n * nominal)).to.be.rejected; // With('Arithmetic')187      await helper.staking.stake(staker, 500n * nominal);188189      // Can't stake 500 tkn because Alice has Less than 500 transferable;190      await expect(helper.staking.stake(staker, 500n * nominal)).to.be.rejected; // With('Arithmetic');191      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(500n * nominal);192    });193194    itSub('for different accounts in one block is possible', async ({helper}) => {195      const crowd = await getAccounts(4);196197      const crowdStartsToStake = crowd.map(user => helper.staking.stake(user, 100n * nominal));198      await expect(Promise.all(crowdStartsToStake)).to.be.fulfilled;199200      const crowdStakes = await Promise.all(crowd.map(address => helper.staking.getTotalStaked({Substrate: address.address})));201      expect(crowdStakes).to.deep.equal([100n * nominal, 100n * nominal, 100n * nominal, 100n * nominal]);202    });203  });204205  describe('Unstaking', () => {206    [207      {method: 'unstakeAll' as const},208      {method: 'unstakePartial' as const},209    ].map(testCase => {210      itSub(`[${testCase.method}] should move tokens to "pendingUnstake" and subtract it from totalStaked`, async ({helper}) => {211        const [staker, recepient] = await getAccounts(2);212        const totalStakedBefore = await helper.staking.getTotalStaked();213        const STAKE_AMOUNT = 900n * nominal;214215        await helper.staking.stake(staker, STAKE_AMOUNT);216        testCase.method === 'unstakeAll'217          ? await helper.staking.unstakeAll(staker)218          : await helper.staking.unstakePartial(staker, STAKE_AMOUNT);219220        // Right after unstake tokens are still locked221        expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(0);222        expect(await helper.balance.getFrozen(staker.address)).to.deep.eq([{id: 'appstakeappstake', amount: STAKE_AMOUNT}]);223        expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, frozen: STAKE_AMOUNT});224        // Staker can not transfer225        await expect(helper.balance.transferToSubstrate(staker, recepient.address, 100n * nominal)).to.be.rejectedWith(/^Token: Frozen$/);226        expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.be.equal(STAKE_AMOUNT);227        expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(0n);228        expect(await helper.staking.getTotalStaked()).to.be.equal(totalStakedBefore);229      });230    });231232    [233      {method: 'unstakeAll' as const},234      {method: 'unstakePartial' as const},235    ].map(testCase => {236      itSub(`[${testCase.method}] should unlock balance after unlocking period ends and remove it from "pendingUnstake"`, async ({helper}) => {237        const [staker] = await getAccounts(1);238        await helper.staking.stake(staker, 100n * nominal);239        testCase.method === 'unstakeAll'240          ? await helper.staking.unstakeAll(staker)241          : await helper.staking.unstakePartial(staker, 100n * nominal);242        const [pendingUnstake] = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});243244        // Wait for unstaking period. Balance now free ~1000; reserved, frozen, miscFrozeb: 0n245        await helper.wait.forParachainBlockNumber(pendingUnstake.block);246        expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, frozen: 0n});247        expect(await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n);248249        // staker can transfer:250        await helper.balance.transferToSubstrate(staker, donor.address, 998n * nominal);251        expect(await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(1n);252      });253    });254255    [256      {method: 'unstakeAll' as const},257      {method: 'unstakePartial' as const},258    ].map(testCase => {259      itSub(`[${testCase.method}] should successfully unstake multiple stakes`, async ({helper}) => {260        const [staker] = await getAccounts(1);261        await helper.staking.stake(staker, 100n * nominal);262        await helper.staking.stake(staker, 200n * nominal);263        await helper.staking.stake(staker, 300n * nominal);264265        // staked: [100, 200, 300]; unstaked: 0266        let totalPendingUnstake = await helper.staking.getPendingUnstake({Substrate: staker.address});267        let pendingUnstake = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});268        let stakes = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});269        expect(totalPendingUnstake).to.be.deep.equal(0n);270        expect(pendingUnstake).to.be.deep.equal([]);271        expect(stakes[0].amount).to.equal(100n * nominal);272        expect(stakes[1].amount).to.equal(200n * nominal);273        expect(stakes[2].amount).to.equal(300n * nominal);274275        // Can unstake multiple stakes276        testCase.method === 'unstakeAll'277          ? await helper.staking.unstakeAll(staker)278          : await helper.staking.unstakePartial(staker, 600n * nominal);279280        pendingUnstake = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});281        totalPendingUnstake = await helper.staking.getPendingUnstake({Substrate: staker.address});282        stakes = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});283        expect(totalPendingUnstake).to.be.equal(600n * nominal);284        expect(stakes).to.be.deep.equal([]);285        expect(pendingUnstake[0].amount).to.equal(600n * nominal);286287        expect (await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, frozen: 600n * nominal});288        expect (await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n);289        await helper.wait.forParachainBlockNumber(pendingUnstake[0].block);290        expect (await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, frozen: 0n});291        expect (await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n);292      });293    });294295    [296      {method: 'unstakeAll' as const},297      {method: 'unstakePartial' as const},298    ].map(testCase => {299      itSub(`[${testCase.method}] should not have any effects if no active stakes`, async ({helper}) => {300        const [staker] = await getAccounts(1);301302        // unstake has no effect if no stakes at all303        testCase.method === 'unstakeAll'304          ? await helper.staking.unstakeAll(staker)305          : await expect(helper.staking.unstakePartial(staker, 100n * nominal)).to.be.rejectedWith('appPromotion.InsufficientStakedBalance');306307        expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.be.equal(0n);308        expect(await helper.balance.getSubstrate(staker.address) / nominal).to.be.equal(999n); // TODO bigint closeTo helper309310        // TODO stake() unstake() waitUnstaked() unstake();311312        // can't unstake if there are only pendingUnstakes313        await helper.staking.stake(staker, 100n * nominal);314315        if(testCase.method === 'unstakeAll') {316          await helper.staking.unstakeAll(staker);317          await helper.staking.unstakeAll(staker);318        } else {319          await helper.staking.unstakePartial(staker, 100n * nominal);320          await expect(helper.staking.unstakePartial(staker, 100n * nominal)).to.be.rejectedWith('appPromotion.InsufficientStakedBalance');321        }322323        expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(0);324        expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.be.equal(100n * nominal);325        expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(0n);326      });327    });328329    [330      {method: 'unstakeAll' as const},331      {method: 'unstakePartial' as const},332    ].map(testCase => {333      itSub(`[${testCase.method}] should create different pending-unlock for each unlocking stake`, async ({helper}) => {334        const [staker] = await getAccounts(1);335        await helper.staking.stake(staker, 100n * nominal);336        testCase.method === 'unstakeAll'337          ? await helper.staking.unstakeAll(staker)338          : await helper.staking.unstakePartial(staker, 100n * nominal);339        await helper.staking.stake(staker, 120n * nominal);340        testCase.method === 'unstakeAll'341          ? await helper.staking.unstakeAll(staker)342          : await helper.staking.unstakePartial(staker, 120n * nominal);343344        const unstakingPerBlock = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});345        expect(unstakingPerBlock).has.length(2);346        expect(unstakingPerBlock[0].amount).to.equal(100n * nominal);347        expect(unstakingPerBlock[1].amount).to.equal(120n * nominal);348        expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.equal(0);349      });350    });351352    [353      {method: 'unstakeAll' as const},354      {method: 'unstakePartial' as const},355    ].map(testCase => {356      itSub(`[${testCase.method}] should be possible for 3 accounts in one block`, async ({helper}) => {357        const stakers = await getAccounts(3);358359        await Promise.all(stakers.map(staker => helper.staking.stake(staker, 100n * nominal)));360        await Promise.all(stakers.map(staker => testCase.method === 'unstakeAll'361          ? helper.staking.unstakeAll(staker)362          : helper.staking.unstakePartial(staker, 100n * nominal)));363364        await Promise.all(stakers.map(async (staker) => {365          expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.be.equal(100n * nominal);366          expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.be.equal(0n);367        }));368      });369    });370371    itSub('should not be possible for more than 3 accounts in one block', async ({helper}) => {372      if(!await helper.arrange.isDevNode()) {373        const stakers = await getAccounts(10);374375        await Promise.all(stakers.map(staker => helper.staking.stake(staker, 100n * nominal)));376        const unstakingResults = await Promise.allSettled(stakers.map((staker, i) => i % 2 === 0377          ? helper.staking.unstakeAll(staker)378          : helper.staking.unstakePartial(staker, 100n * nominal)));379380        const successfulUnstakes = unstakingResults.filter(result => result.status === 'fulfilled');381        expect(successfulUnstakes).to.have.length(3);382      }383    });384385    itSub('Cannot partially unstake more than staked', async ({helper}) => {386      const [staker] = await getAccounts(1);387      // Staker stakes 300:388      await helper.staking.stake(staker, 100n * nominal);389      await helper.staking.stake(staker, 200n * nominal);390391      // cannot usntake 300.00000...1392      await expect(helper.staking.unstakePartial(staker, 300n * nominal + 1n)).to.be.rejectedWith('appPromotion.InsufficientStakedBalance');393      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).eq(2);394395      await helper.staking.unstakePartial(staker, 150n * nominal);396      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).eq(1);397      await expect(helper.staking.unstakePartial(staker, 150n * nominal + 1n)).to.be.rejectedWith('appPromotion.InsufficientStakedBalance');398      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).eq(1);399400      // nothing broken, can unstake full amount:401      await helper.staking.unstakePartial(staker, 150n * nominal);402      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).eq(0);403    });404405    itSub('Can partially unstake arbitrary amount', async ({helper}) => {406      const [staker] = await getAccounts(1);407      await helper.staking.stake(staker, 100n * nominal);408      await helper.staking.stake(staker, 200n * nominal);409410      // 0. Staker cannot unstake negative amount411      await expect(helper.staking.unstakePartial(staker, -1n)).to.be.rejected;412413      // 1. Staker can unstake 0 wei414      await helper.staking.unstakePartial(staker, 0n);415      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(2);416      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(300n * nominal);417      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(0n);418419      // 2. Staker can unstake 1 wei420      await helper.staking.unstakePartial(staker, 1n);421      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(2);422      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(300n * nominal - 1n);423      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(1n);424      // 2.1 The oldest stake decreased:425      let [stake1, stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});426      expect(stake1.amount).to.eq(100n * nominal - 1n);427      expect(stake2.amount).to.eq(200n * nominal);428429      // 3. Staker can unstake all but 1 wei430      await helper.staking.unstakePartial(staker, 100n * nominal - 2n);431      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(2);432      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(200n * nominal + 1n);433      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(100n * nominal - 1n);434      [stake1, stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});435      expect(stake1.amount).to.eq(1n);436      expect(stake2.amount).to.eq(200n * nominal);437    });438439    itSub('can mix different type of unstakes', async ({helper}) => {440      const [staker] = await getAccounts(1);441      await helper.staking.stake(staker, 100n * nominal);442      await helper.staking.stake(staker, 200n * nominal);443444      await helper.staking.unstakePartial(staker, 50n * nominal);445      await helper.staking.unstakeAll(staker);446      expect(await helper.staking.getStakesNumber({Substrate: staker.address})).to.eq(0);447      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(0n);448      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(300n * nominal);449450      const [_unstake1, unstake2] = await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address});451      await helper.wait.forParachainBlockNumber(unstake2.block);452453      expect(await helper.balance.getFrozen(staker.address)).to.deep.eq([]);454      expect(await helper.balance.getSubstrateFull(staker.address)).to.deep.contain({reserved: 0n, frozen: 0n});455      expect(await helper.balance.getSubstrate(staker.address) / nominal).to.eq(999n);456      expect(await helper.staking.getTotalStaked({Substrate: staker.address})).to.eq(0n);457      expect(await helper.staking.getPendingUnstake({Substrate: staker.address})).to.eq(0n);458      expect(await helper.staking.getPendingUnstakePerBlock({Substrate: staker.address})).to.deep.eq([]);459    });460  });461462  describe('collection sponsoring', () => {463    itSub('should actually sponsor transactions', async ({helper}) => {464      const api = helper.getApi();465      const [collectionOwner, tokenSender, receiver] = await getAccounts(3);466      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'Name', description: 'Description', tokenPrefix: 'Prefix', limits: {sponsorTransferTimeout: 0}});467      const token = await collection.mintToken(collectionOwner, {Substrate: tokenSender.address});468      await helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId));469      const palletBalanceBefore = await helper.balance.getSubstrate(palletAddress);470471      await token.transfer(tokenSender, {Substrate: receiver.address});472      expect (await token.getOwner()).to.be.deep.equal({Substrate: receiver.address});473      const palletBalanceAfter = await helper.balance.getSubstrate(palletAddress);474475      // senders balance the same, transaction has sponsored476      expect (await helper.balance.getSubstrate(tokenSender.address)).to.be.equal(1000n * nominal);477      expect (palletBalanceBefore > palletBalanceAfter).to.be.true;478    });479480    itSub('can not be set by non admin', async ({helper}) => {481      const api = helper.getApi();482      const [collectionOwner, nonAdmin] = await getAccounts(2);483484      const collection  = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});485486      await expect(helper.signTransaction(nonAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId))).to.be.rejected;487      expect((await collection.getData())?.raw.sponsorship).to.equal('Disabled');488    });489490    itSub('should set pallet address as confirmed admin', async ({helper}) => {491      const api = helper.getApi();492      const [collectionOwner, oldSponsor] = await getAccounts(2);493494      // Can set sponsoring for collection without sponsor495      const collectionWithoutSponsor = await helper.nft.mintCollection(collectionOwner, {name: 'No-sponsor', description: 'New Collection', tokenPrefix: 'Promotion'});496      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionWithoutSponsor.collectionId))).to.be.fulfilled;497      expect((await collectionWithoutSponsor.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});498499      // Can set sponsoring for collection with unconfirmed sponsor500      const collectionWithUnconfirmedSponsor = await helper.nft.mintCollection(collectionOwner, {name: 'Unconfirmed', description: 'New Collection', tokenPrefix: 'Promotion', pendingSponsor: {Substrate: oldSponsor.address}});501      expect((await collectionWithUnconfirmedSponsor.getData())?.raw.sponsorship).to.be.deep.equal({Unconfirmed: oldSponsor.address});502      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionWithUnconfirmedSponsor.collectionId))).to.be.fulfilled;503      expect((await collectionWithUnconfirmedSponsor.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});504505      // Can set sponsoring for collection with confirmed sponsor506      const collectionWithConfirmedSponsor = await helper.nft.mintCollection(collectionOwner, {name: 'Confirmed', description: 'New Collection', tokenPrefix: 'Promotion', pendingSponsor: {Substrate: oldSponsor.address}});507      await collectionWithConfirmedSponsor.confirmSponsorship(oldSponsor);508      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionWithConfirmedSponsor.collectionId))).to.be.fulfilled;509      expect((await collectionWithConfirmedSponsor.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});510    });511512    itSub('can be overwritten by collection owner', async ({helper}) => {513      const api = helper.getApi();514      const [collectionOwner, newSponsor] = await getAccounts(2);515      const collection  = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});516      const collectionId = collection.collectionId;517518      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionId))).to.be.fulfilled;519520      // Collection limits still can be changed by the owner521      expect(await collection.setLimits(collectionOwner, {sponsorTransferTimeout: 0})).to.be.true;522      expect((await collection.getData())?.raw.limits.sponsorTransferTimeout).to.be.equal(0);523      expect((await collection.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});524525      // Collection sponsor can be changed too526      expect((await collection.setSponsor(collectionOwner, newSponsor.address))).to.be.true;527      expect((await collection.getData())?.raw.sponsorship).to.be.deep.equal({Unconfirmed: newSponsor.address});528    });529530    itSub('should not overwrite collection limits set by the owner earlier', async ({helper}) => {531      const [owner] = await getAccounts(1);532      const api = helper.getApi();533      const limits = {ownerCanDestroy: true, ownerCanTransfer: true, sponsorTransferTimeout: 0};534      const collectionWithLimits = await helper.nft.mintCollection(owner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion', limits});535536      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collectionWithLimits.collectionId))).to.be.fulfilled;537      expect((await collectionWithLimits.getData())?.raw.limits).to.be.deep.contain(limits);538    });539540    itSub('should reject transaction if collection doesn\'t exist', async ({helper}) => {541      const api = helper.getApi();542      const [collectionOwner] = await getAccounts(1);543544      // collection has never existed545      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(999999999))).to.be.rejected;546      // collection has been burned547      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});548      await collection.burn(collectionOwner);549550      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId))).to.be.rejected;551    });552  });553554  describe('stopSponsoringCollection', () => {555    itSub('can not be called by non-admin', async ({helper}) => {556      const api = helper.getApi();557      const [collectionOwner, nonAdmin] = await getAccounts(2);558      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});559560      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId))).to.be.fulfilled;561562      await expect(helper.signTransaction(nonAdmin, api.tx.appPromotion.stopSponsoringCollection(collection.collectionId))).to.be.rejected;563      expect((await collection.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: palletAddress});564    });565566    itSub('should set sponsoring as disabled', async ({helper}) => {567      const api = helper.getApi();568      const [collectionOwner, recepient] = await getAccounts(2);569      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion', limits: {sponsorTransferTimeout: 0}});570      const token = await collection.mintToken(collectionOwner, {Substrate: collectionOwner.address});571572      await helper.signTransaction(palletAdmin, api.tx.appPromotion.sponsorCollection(collection.collectionId));573      await helper.signTransaction(palletAdmin, api.tx.appPromotion.stopSponsoringCollection(collection.collectionId));574575      expect((await collection.getData())?.raw.sponsorship).to.be.equal('Disabled');576577      // Transactions are not sponsored anymore:578      const ownerBalanceBefore = await helper.balance.getSubstrate(collectionOwner.address);579      await token.transfer(collectionOwner, {Substrate: recepient.address});580      const ownerBalanceAfter = await helper.balance.getSubstrate(collectionOwner.address);581      expect(ownerBalanceAfter < ownerBalanceBefore).to.be.equal(true);582    });583584    itSub('should not affect collection which is not sponsored by pallete', async ({helper}) => {585      const api = helper.getApi();586      const [collectionOwner] = await getAccounts(1);587      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion', pendingSponsor: {Substrate: collectionOwner.address}});588      await collection.confirmSponsorship(collectionOwner);589590      await expect(helper.signTransaction(palletAdmin, api.tx.appPromotion.stopSponsoringCollection(collection.collectionId))).to.be.rejected;591592      expect((await collection.getData())?.raw.sponsorship).to.be.deep.equal({Confirmed: collectionOwner.address});593    });594595    itSub('should reject transaction if collection does not exist', async ({helper}) => {596      const [collectionOwner] = await getAccounts(1);597      const collection = await helper.nft.mintCollection(collectionOwner, {name: 'New', description: 'New Collection', tokenPrefix: 'Promotion'});598599      await collection.burn(collectionOwner);600      await expect(helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.stopSponsoringCollection', [collection.collectionId], true)).to.be.rejectedWith('common.CollectionNotFound');601      await expect(helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.stopSponsoringCollection', [999_999_999], true)).to.be.rejectedWith('common.CollectionNotFound');602    });603  });604605  describe('contract sponsoring', () => {606    itEth('should set palletes address as a sponsor', async ({helper}) => {607      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();608      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);609      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);610611      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address]);612613      expect(await contractHelper.methods.hasSponsor(flipper.options.address).call()).to.be.true;614      expect((await helper.callRpc('api.query.evmContractHelpers.owner', [flipper.options.address])).toJSON()).to.be.equal(contractOwner);615      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({616        confirmed: {617          substrate: palletAddress,618        },619      });620    });621622    itEth('should overwrite sponsoring mode and existed sponsor', async ({helper}) => {623      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();624      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);625      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);626627      await expect(contractHelper.methods.selfSponsoredEnable(flipper.options.address).send()).to.be.fulfilled;628629      // Contract is self sponsored630      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.be.deep.equal({631        confirmed: {632          ethereum: flipper.options.address.toLowerCase(),633        },634      });635636      // set promotion sponsoring637      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true);638639      // new sponsor is pallet address640      expect(await contractHelper.methods.hasSponsor(flipper.options.address).call()).to.be.true;641      expect((await helper.callRpc('api.query.evmContractHelpers.owner', [flipper.options.address])).toJSON()).to.be.equal(contractOwner);642      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({643        confirmed: {644          substrate: palletAddress,645        },646      });647    });648649    itEth('can be overwritten by contract owner', async ({helper}) => {650      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();651      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);652      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);653654      // contract sponsored by pallet655      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true);656657      // owner sets self sponsoring658      await expect(contractHelper.methods.selfSponsoredEnable(flipper.options.address).send()).to.be.not.rejected;659660      expect(await contractHelper.methods.hasSponsor(flipper.options.address).call()).to.be.true;661      expect((await helper.callRpc('api.query.evmContractHelpers.owner', [flipper.options.address])).toJSON()).to.be.equal(contractOwner);662      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({663        confirmed: {664          ethereum: flipper.options.address.toLowerCase(),665        },666      });667    });668669    itEth('can not be set by non admin', async ({helper}) => {670      const [nonAdmin] = await getAccounts(1);671      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();672      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);673      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);674675      await expect(contractHelper.methods.selfSponsoredEnable(flipper.options.address).send()).to.be.fulfilled;676677      // nonAdmin calls sponsorContract678      await expect(helper.executeExtrinsic(nonAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true)).to.be.rejectedWith('appPromotion.NoPermission');679680      // contract still self-sponsored681      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({682        confirmed: {683          ethereum: flipper.options.address.toLowerCase(),684        },685      });686    });687688    itEth('should actually sponsor transactions', async ({helper}) => {689      // Contract caller690      const caller = await helper.eth.createAccountWithBalance(donor, 1000n);691      const palletBalanceBefore = await helper.balance.getSubstrate(palletAddress);692693      // Deploy flipper694      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();695      const flipper = await helper.eth.deployFlipper(contractOwner); // await deployFlipper(web3, contractOwner);696      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);697698      // Owner sets to sponsor every tx699      await contractHelper.methods.setSponsoringRateLimit(flipper.options.address, 0).send({from: contractOwner});700      await contractHelper.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Generous).send({from: contractOwner});701      await helper.eth.transferBalanceFromSubstrate(donor, flipper.options.address, 1000n); // transferBalanceToEth(api, alice, flipper.options.address, 1000n);702703      // Set promotion to the Flipper704      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true);705706      // Caller calls Flipper707      await flipper.methods.flip().send({from: caller});708      expect(await flipper.methods.getValue().call()).to.be.true;709710      // The contracts and caller balances have not changed711      const callerBalance = await helper.balance.getEthereum(caller);712      const contractBalanceAfter = await helper.balance.getEthereum(flipper.options.address);713      expect(callerBalance).to.be.equal(1000n * nominal);714      expect(1000n * nominal === contractBalanceAfter).to.be.true;715716      // The pallet balance has decreased717      const palletBalanceAfter = await helper.balance.getSubstrate(palletAddress);718      expect(palletBalanceAfter < palletBalanceBefore).to.be.true;719    });720  });721722  describe('stopSponsoringContract', () => {723    itEth('should remove pallet address from contract sponsors', async ({helper}) => {724      const caller = await helper.eth.createAccountWithBalance(donor, 1000n);725      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();726      const flipper = await helper.eth.deployFlipper(contractOwner);727      await helper.eth.transferBalanceFromSubstrate(donor, flipper.options.address);728      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);729730      await contractHelper.methods.setSponsoringMode(flipper.options.address, SponsoringMode.Generous).send({from: contractOwner});731      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address], true);732      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.stopSponsoringContract', [flipper.options.address], true);733734      expect(await contractHelper.methods.hasSponsor(flipper.options.address).call()).to.be.false;735      expect((await helper.callRpc('api.query.evmContractHelpers.owner', [flipper.options.address])).toJSON()).to.be.equal(contractOwner);736      expect((await helper.callRpc('api.query.evmContractHelpers.sponsoring', [flipper.options.address])).toJSON()).to.deep.equal({737        disabled: null,738      });739740      await flipper.methods.flip().send({from: caller});741      expect(await flipper.methods.getValue().call()).to.be.true;742743      const callerBalance = await helper.balance.getEthereum(caller);744      const contractBalanceAfter = await helper.balance.getEthereum(flipper.options.address);745746      // caller payed for call747      expect(1000n * nominal > callerBalance).to.be.true;748      expect(contractBalanceAfter).to.be.equal(100n * nominal);749    });750751    itEth('can not be called by non-admin', async ({helper}) => {752      const [nonAdmin] = await getAccounts(1);753      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();754      const flipper = await helper.eth.deployFlipper(contractOwner);755756      await helper.executeExtrinsic(palletAdmin, 'api.tx.appPromotion.sponsorContract', [flipper.options.address]);757      await expect(helper.executeExtrinsic(nonAdmin, 'api.tx.appPromotion.stopSponsoringContract', [flipper.options.address]))758        .to.be.rejectedWith(/appPromotion\.NoPermission/);759    });760761    itEth('should not affect a contract which is not sponsored by pallete', async ({helper}) => {762      const [nonAdmin] = await getAccounts(1);763      const contractOwner = (await helper.eth.createAccountWithBalance(donor, 1000n)).toLowerCase();764      const flipper = await helper.eth.deployFlipper(contractOwner);765      const contractHelper = await helper.ethNativeContract.contractHelpers(contractOwner);766      await expect(contractHelper.methods.selfSponsoredEnable(flipper.options.address).send()).to.be.fulfilled;767768      await expect(helper.executeExtrinsic(nonAdmin, 'api.tx.appPromotion.stopSponsoringContract', [flipper.options.address], true)).to.be.rejectedWith('appPromotion.NoPermission');769    });770  });771772  describe('payoutStakers', () => {773    itSub('can not be called by non admin', async ({helper}) => {774      const [nonAdmin] = await getAccounts(1);775      await expect(helper.admin.payoutStakers(nonAdmin, 100)).to.be.rejectedWith('appPromotion.NoPermission');776    });777778    itSub('should increase total staked', async ({helper}) => {779      const [staker] = await getAccounts(1);780      const totalStakedBefore = await helper.staking.getTotalStaked();781      await helper.staking.stake(staker, 100n * nominal);782783      // Wait for rewards and pay784      const [stakedInBlock] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});785      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stakedInBlock.block));786787      const payout = await helper.admin.payoutStakers(palletAdmin, 100);788      const totalPayout = payout.reduce((prev, payout) => prev + payout.payout, 0n);789      const stakerReward = payout.find(p => p.staker === staker.address);790791      expect(stakerReward?.payout).to.eq(calculateIncome(100n * nominal) - (100n * nominal));792793      const totalStakedAfter = await helper.staking.getTotalStaked();794      expect(totalStakedAfter).to.equal(totalStakedBefore + (100n * nominal) + totalPayout);795      // staker can unstake796      await helper.staking.unstakeAll(staker);797      expect(await helper.staking.getTotalStaked()).to.be.equal(totalStakedAfter - calculateIncome(100n * nominal));798    });799800    itSub('should credit 0.05% for staking period', async ({helper}) => {801      const [staker] = await getAccounts(1);802803      await waitPromotionPeriodDoesntEnd(helper);804805      await helper.staking.stake(staker, 100n * nominal);806      await helper.staking.stake(staker, 200n * nominal);807808      // wait rewards are available:809      const [_stake1, stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});810      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake2.block));811812      const payoutToStaker = (await helper.admin.payoutStakers(palletAdmin, 100)).find((payout) => payout.staker === staker.address)!.payout;813      expect(payoutToStaker + 300n * nominal).to.equal(calculateIncome(300n * nominal));814815      const totalStakedPerBlock = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});816      const income1 = calculateIncome(100n * nominal);817      const income2 = calculateIncome(200n * nominal);818      expect(totalStakedPerBlock[0].amount).to.equal(income1);819      expect(totalStakedPerBlock[1].amount).to.equal(income2);820821      const stakerBalance = await helper.balance.getSubstrateFull(staker.address);822      expect(stakerBalance).to.contain({frozen: income1 + income2, reserved: 0n});823      expect(stakerBalance.free / nominal).to.eq(999n);824    });825826    itSub('shoud be paid for more than one period if payments was missed', async ({helper}) => {827      const [staker] = await getAccounts(1);828829      await helper.staking.stake(staker, 100n * nominal);830      // wait for two rewards are available:831      let [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});832      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block) + LOCKING_PERIOD);833834      await helper.admin.payoutStakers(palletAdmin, 100);835      [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});836      const frozenBalanceShouldBe = calculateIncome(100n * nominal, 2);837      expect(stake.amount).to.be.equal(frozenBalanceShouldBe);838839      const stakerFullBalance = await helper.balance.getSubstrateFull(staker.address);840841      expect(stakerFullBalance).to.contain({reserved: 0n, frozen: frozenBalanceShouldBe});842    });843844    itSub('should not be credited for pending-unstaked tokens', async ({helper}) => {845      // staker unstakes before rewards been payed846      const [staker] = await getAccounts(1);847      await helper.staking.stake(staker, 100n * nominal);848      const [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});849      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block) + LOCKING_PERIOD);850      await helper.staking.unstakeAll(staker);851852      // so he did not receive any rewards853      const totalBalanceBefore = await helper.balance.getSubstrate(staker.address);854      await helper.admin.payoutStakers(palletAdmin, 100);855      const totalBalanceAfter = await helper.balance.getSubstrate(staker.address);856857      expect(totalBalanceBefore).to.be.equal(totalBalanceAfter);858    });859860    itSub('should bring compound interest', async ({helper}) => {861      const [staker] = await getAccounts(1);862863      await helper.staking.stake(staker, 100n * nominal);864865      let [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});866      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block));867868      await helper.admin.payoutStakers(palletAdmin, 100);869      [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});870      expect(stake.amount).to.equal(calculateIncome(100n * nominal));871872      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block) + LOCKING_PERIOD);873      await helper.admin.payoutStakers(palletAdmin, 100);874      [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});875      expect(stake.amount).to.equal(calculateIncome(100n * nominal, 2));876    });877878    itSub('can calculate reward for tiny stake', async ({helper}) => {879      const [staker] = await getAccounts(1);880      await helper.staking.stake(staker, 100n * nominal);881      await helper.staking.stake(staker, 100n * nominal);882      await helper.staking.unstakePartial(staker, 100n * nominal - 1n);883884      const [_stake1, stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});885      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake2.block));886887      const stakerPayout = await payUntilRewardFor(staker.address, helper);888      expect(stakerPayout.stake).to.eq(100n * nominal + 1n);889    });890891    itSub('can eventually pay all rewards', async ({helper}) => {892      const stakers = await getAccounts(30);893      // Create 30 stakes:894      await Promise.all(stakers.map(staker => helper.staking.stake(staker, 100n * nominal)));895896      let unstakingTxs = [];897      for(const staker of stakers) {898        if(unstakingTxs.length == 3) {899          await Promise.all(unstakingTxs);900          unstakingTxs = [];901        }902        unstakingTxs.push(helper.staking.unstakePartial(staker, 100n * nominal - 1n));903      }904905      const [staker] = await getAccounts(1);906      await helper.staking.stake(staker, 100n * nominal);907      const [stake] = await helper.staking.getTotalStakedPerBlock({Substrate: staker.address});908      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake.block));909910      let payouts;911      do {912        payouts = await helper.admin.payoutStakers(palletAdmin, 20);913      } while(payouts.length !== 0);914    });915  });916917  describe('events', () => {918    [919      {method: 'unstakePartial' as const},920      {method: 'unstakeAll' as const},921    ].map(testCase => {922      itSub(testCase.method, async ({helper}) => {923        const unstakeParams: [] | [bigint] = testCase.method === 'unstakePartial'924          ? [100n * nominal - 1n]925          : [];926        const [staker] = await getAccounts(1);927        await helper.staking.stake(staker, 100n * nominal);928        await helper.staking.stake(staker, 200n * nominal);929        const {result} = await helper.executeExtrinsic(staker, `api.tx.appPromotion.${testCase.method}`, unstakeParams);930931        const event = result.events.find(e => e.event.section === 'appPromotion' && e.event.method === 'Unstake');932        const unstakerEvents = event?.event.data[0].toString();933        const unstakedEvents = BigInt(event?.event.data[1].toString());934        expect(unstakerEvents).to.eq(staker.address);935        expect(unstakedEvents).to.eq(testCase.method === 'unstakeAll' ? 300n * nominal : 100n * nominal - 1n);936      });937    });938939    itSub('stake', async ({helper}) => {940      const [staker] = await getAccounts(1);941      const {result} = await helper.executeExtrinsic(staker, 'api.tx.appPromotion.stake', [100n * nominal]);942943      const event = result.events.find(e => e.event.section === 'appPromotion' && e.event.method === 'Stake');944      const stakerEvents = event?.event.data[0].toString();945      const stakedEvents = BigInt(event?.event.data[1].toString());946      expect(stakerEvents).to.eq(staker.address);947      expect(stakedEvents).to.eq(100n * nominal);948    });949950    // Flaky951    itSub.skip('payoutStakers', async ({helper}) => {952      const [staker1, staker2] = await getAccounts(2);953      const STAKE1 = 100n * nominal;954      const STAKE2 = 200n * nominal;955      await helper.staking.stake(staker1, STAKE1);956      await helper.staking.stake(staker2, STAKE2);957958      const [stake2] = await helper.staking.getTotalStakedPerBlock({Substrate: staker2.address});959      await helper.wait.forRelayBlockNumber(rewardAvailableInBlock(stake2.block));960961      const results = await helper.admin.payoutStakers(palletAdmin, 100);962      const stakersEvents = results.filter(ev => ev.staker === staker1.address || ev.staker === staker2.address);963      expect(stakersEvents).has.length(2);964      expect(stakersEvents).has.not.ordered.members([965        {staker: staker1.address, stake: STAKE1, payout: calculateIncome(STAKE1) - STAKE1},966        {staker: staker2.address, stake: STAKE2, payout: calculateIncome(STAKE2) - STAKE2},967      ]);968    });969  });970});971972973// Sometimes is is required to make a cycle in order for the payment to be calculated for a specific account974async function payUntilRewardFor(account: string, helper: DevUniqueHelper) {975  for(let i = 0; i < 3; i++) {976    const payouts = await helper.admin.payoutStakers(palletAdmin, 100);977    const accountPayout = payouts.find(p => p.staker === account);978    if(accountPayout) return accountPayout;979  }980  throw Error(`Cannot find payout for ${account}`);981}982983function calculateIncome(base: bigint, iter = 0, calcPeriod: bigint = UNLOCKING_PERIOD): bigint {984  const DAY = 7200n;985  const ACCURACY = 1_000_000_000n;986  // 5n / 10_000n = 0.05% p/day987  const income = base + base * (ACCURACY * (calcPeriod * 453_256n) / (1_000_000_000n * DAY)) / ACCURACY ;988989  if(iter > 1) {990    return calculateIncome(income, iter - 1, calcPeriod);991  } else return income;992}993994function rewardAvailableInBlock(stakedInBlock: bigint) {995  if(stakedInBlock % LOCKING_PERIOD === 0n) return stakedInBlock + LOCKING_PERIOD;996  return (stakedInBlock - stakedInBlock % LOCKING_PERIOD) + (LOCKING_PERIOD * 2n);997}998999// Wait while promotion period less than specified block, to avoid boundary cases1000// 0 if this should be the beginning of the period.1001async function waitPromotionPeriodDoesntEnd(helper: DevUniqueHelper, waitBlockLessThan = LOCKING_PERIOD / 3n) {1002  const relayBlockNumber = (await helper.callRpc('api.query.parachainSystem.validationData', [])).value.relayParentNumber.toNumber(); // await helper.chain.getLatestBlockNumber();1003  const currentPeriodBlock = BigInt(relayBlockNumber) % LOCKING_PERIOD;10041005  if(currentPeriodBlock > waitBlockLessThan) {1006    await helper.wait.forRelayBlockNumber(BigInt(relayBlockNumber) + LOCKING_PERIOD - currentPeriodBlock);1007  }1008}