`c9e84df54927`

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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 './interfaces/augment-api-consts';7import chai from 'chai';8import chaiAsPromised from 'chai-as-promised';9import {default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync} from './substrate/substrate-api';10import {alicesPublicKey, bobsPublicKey} from './accounts';11import privateKey from './substrate/privateKey';12import {IKeyringPair} from '@polkadot/types/types';13import {14  createCollectionExpectSuccess,15  createItemExpectSuccess,16  getGenericResult,17  transferExpectSuccess,18  UNIQUE,19} from './util/helpers';2021import {default as waitNewBlocks} from './substrate/wait-new-blocks';22import {ApiPromise} from '@polkadot/api';2324chai.use(chaiAsPromised);25const expect = chai.expect;2627const TREASURY = '5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z';28const saneMinimumFee = 0.05;29const saneMaximumFee = 0.5;30const createCollectionDeposit = 100;3132let alice: IKeyringPair;33let bob: IKeyringPair;3435// Skip the inflation block pauses if the block is close to inflation block36// until the inflation happens37/*eslint no-async-promise-executor: "off"*/38function skipInflationBlock(api: ApiPromise): Promise<void> {39  const promise = new Promise<void>(async (resolve) => {40    const blockInterval = (await api.consts.inflation.inflationBlockInterval).toNumber();41    const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {42      const currentBlock = head.number.toNumber();43      if (currentBlock % blockInterval < blockInterval - 10) {44        unsubscribe();45        resolve();46      } else {47        console.log(`Skipping inflation block, current block: ${currentBlock}`);48      }49    });50  });5152  return promise;53}5455describe('integration test: Fees must be credited to Treasury:', () => {56  before(async () => {57    await usingApi(async () => {58      alice = privateKey('//Alice');59      bob = privateKey('//Bob');60    });61  });6263  it('Total issuance does not change', async () => {64    await usingApi(async (api) => {65      await skipInflationBlock(api);66      await waitNewBlocks(api, 1);6768      const totalBefore = (await api.query.balances.totalIssuance()).toBigInt();6970      const alicePrivateKey = privateKey('//Alice');71      const amount = 1n;72      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);7374      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));7576      const totalAfter = (await api.query.balances.totalIssuance()).toBigInt();7778      expect(result.success).to.be.true;79      expect(totalAfter).to.be.equal(totalBefore);80    });81  });8283  it('Sender balance decreased by fee+sent amount, Treasury balance increased by fee', async () => {84    await usingApi(async (api) => {85      await skipInflationBlock(api);86      await waitNewBlocks(api, 1);8788      const alicePrivateKey = privateKey('//Alice');89      const treasuryBalanceBefore: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();90      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();9192      const amount = 1n;93      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);94      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));9596      const treasuryBalanceAfter: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();97      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();98      const fee = aliceBalanceBefore - aliceBalanceAfter - amount;99      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;100101      expect(result.success).to.be.true;102      expect(treasuryIncrease).to.be.equal(fee);103    });104  });105106  it('Treasury balance increased by failed tx fee', async () => {107    await usingApi(async (api) => {108      //await skipInflationBlock(api);109      await waitNewBlocks(api, 1);110111      const bobPrivateKey = privateKey('//Bob');112      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();113      const bobBalanceBefore = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();114115      const badTx = api.tx.balances.setBalance(alicesPublicKey, 0, 0);116      await expect(submitTransactionExpectFailAsync(bobPrivateKey, badTx)).to.be.rejected;117118      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();119      const bobBalanceAfter = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();120      const fee = bobBalanceBefore - bobBalanceAfter;121      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;122123      expect(treasuryIncrease).to.be.equal(fee);124    });125  });126127  it('NFT Transactions also send fees to Treasury', async () => {128    await usingApi(async (api) => {129      await skipInflationBlock(api);130      await waitNewBlocks(api, 1);131132      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();133      const aliceBalanceBefore = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();134135      await createCollectionExpectSuccess();136137      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();138      const aliceBalanceAfter = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();139      const fee = aliceBalanceBefore - aliceBalanceAfter;140      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;141142      expect(treasuryIncrease).to.be.equal(fee);143    });144  });145146  it('Fees are sane', async () => {147    await usingApi(async (api) => {148      await skipInflationBlock(api);149      await waitNewBlocks(api, 1);150151      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();152153      await createCollectionExpectSuccess();154155      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();156      const fee = aliceBalanceBefore - aliceBalanceAfter;157158      expect(fee / UNIQUE < BigInt(Math.ceil(saneMaximumFee + createCollectionDeposit))).to.be.true;159      expect(fee / UNIQUE < BigInt(Math.ceil(saneMinimumFee  + createCollectionDeposit))).to.be.true;160    });161  });162163  it('NFT Transfer fee is close to 0.1 Unique', async () => {164    await usingApi(async (api) => {165      await skipInflationBlock(api);166      await waitNewBlocks(api, 1);167168      const collectionId = await createCollectionExpectSuccess();169      const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT');170171      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();172      await transferExpectSuccess(collectionId, tokenId, alice, bob, 1, 'NFT');173      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();174175      const fee = Number(aliceBalanceBefore - aliceBalanceAfter) / Number(UNIQUE);176      const expectedTransferFee = 0.1;177      // fee drifts because of NextFeeMultiplier178      const tolerance = 0.001;179180      expect(Math.abs(fee - expectedTransferFee)).to.be.lessThan(tolerance);181    });182  });183184});