`bad94bc8367a`

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tests/src/creditFeesToTreasury.test.ts7.1 KiBsource history
1//2// This file is subject to the terms and conditions defined in3// file 'LICENSE', which is part of this source code package.4//56import chai from 'chai';7import chaiAsPromised from 'chai-as-promised';8import {default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync} from './substrate/substrate-api';9import {alicesPublicKey, bobsPublicKey} from './accounts';10import privateKey from './substrate/privateKey';11import {IKeyringPair} from '@polkadot/types/types';12import {13  createCollectionExpectSuccess,14  createItemExpectSuccess,15  getGenericResult,16  transferExpectSuccess,17  UNIQUE,18} from './util/helpers';1920import {default as waitNewBlocks} from './substrate/wait-new-blocks';21import {ApiPromise} from '@polkadot/api';2223chai.use(chaiAsPromised);24const expect = chai.expect;2526const TREASURY = '5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z';27const saneMinimumFee = 0.05;28const saneMaximumFee = 0.5;29const createCollectionDeposit = 100;3031let alice: IKeyringPair;32let bob: IKeyringPair;3334// Skip the inflation block pauses if the block is close to inflation block35// until the inflation happens36/*eslint no-async-promise-executor: "off"*/37function skipInflationBlock(api: ApiPromise): Promise<void> {38  const promise = new Promise<void>(async (resolve) => {39    const blockInterval = (await api.consts.inflation.inflationBlockInterval).toNumber();40    const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {41      const currentBlock = head.number.toNumber();42      if (currentBlock % blockInterval < blockInterval - 10) {43        unsubscribe();44        resolve();45      } else {46        console.log(`Skipping inflation block, current block: ${currentBlock}`);47      }48    });49  });5051  return promise;52}5354describe('integration test: Fees must be credited to Treasury:', () => {55  before(async () => {56    await usingApi(async () => {57      alice = privateKey('//Alice');58      bob = privateKey('//Bob');59    });60  });6162  it('Total issuance does not change', async () => {63    await usingApi(async (api) => {64      await skipInflationBlock(api);65      await waitNewBlocks(api, 1);6667      const totalBefore = (await api.query.balances.totalIssuance()).toBigInt();6869      const alicePrivateKey = privateKey('//Alice');70      const amount = 1n;71      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);7273      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));7475      const totalAfter = (await api.query.balances.totalIssuance()).toBigInt();7677      expect(result.success).to.be.true;78      expect(totalAfter).to.be.equal(totalBefore);79    });80  });8182  it('Sender balance decreased by fee+sent amount, Treasury balance increased by fee', async () => {83    await usingApi(async (api) => {84      await skipInflationBlock(api);85      await waitNewBlocks(api, 1);8687      const alicePrivateKey = privateKey('//Alice');88      const treasuryBalanceBefore: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();89      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();9091      const amount = 1n;92      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);93      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));9495      const treasuryBalanceAfter: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();96      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();97      const fee = aliceBalanceBefore - aliceBalanceAfter - amount;98      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;99100      expect(result.success).to.be.true;101      expect(treasuryIncrease).to.be.equal(fee);102    });103  });104105  it('Treasury balance increased by failed tx fee', async () => {106    await usingApi(async (api) => {107      //await skipInflationBlock(api);108      await waitNewBlocks(api, 1);109110      const bobPrivateKey = privateKey('//Bob');111      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();112      const bobBalanceBefore = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();113114      const badTx = api.tx.balances.setBalance(alicesPublicKey, 0, 0);115      await expect(submitTransactionExpectFailAsync(bobPrivateKey, badTx)).to.be.rejected;116117      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();118      const bobBalanceAfter = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();119      const fee = bobBalanceBefore - bobBalanceAfter;120      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;121122      expect(treasuryIncrease).to.be.equal(fee);123    });124  });125126  it('NFT Transactions also send fees to Treasury', async () => {127    await usingApi(async (api) => {128      await skipInflationBlock(api);129      await waitNewBlocks(api, 1);130131      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();132      const aliceBalanceBefore = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();133134      await createCollectionExpectSuccess();135136      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();137      const aliceBalanceAfter = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();138      const fee = aliceBalanceBefore - aliceBalanceAfter;139      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;140141      expect(treasuryIncrease).to.be.equal(fee);142    });143  });144145  it('Fees are sane', async () => {146    await usingApi(async (api) => {147      await skipInflationBlock(api);148      await waitNewBlocks(api, 1);149150      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();151152      await createCollectionExpectSuccess();153154      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();155      const fee = aliceBalanceBefore - aliceBalanceAfter;156157      expect(fee / UNIQUE < BigInt(Math.ceil(saneMaximumFee + createCollectionDeposit))).to.be.true;158      expect(fee / UNIQUE < BigInt(Math.ceil(saneMinimumFee  + createCollectionDeposit))).to.be.true;159    });160  });161162  it('NFT Transfer fee is close to 0.1 Unique', async () => {163    await usingApi(async (api) => {164      await skipInflationBlock(api);165      await waitNewBlocks(api, 1);166167      const collectionId = await createCollectionExpectSuccess();168      const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT');169170      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();171      await transferExpectSuccess(collectionId, tokenId, alice, bob, 1, 'NFT');172      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();173174      const fee = Number(aliceBalanceBefore - aliceBalanceAfter) / Number(UNIQUE);175      const expectedTransferFee = 0.1;176      // fee drifts because of NextFeeMultiplier177      const tolerance = 0.001;178179      expect(Math.abs(fee - expectedTransferFee)).to.be.lessThan(tolerance);180    });181  });182183});