`ea54bfda4844`

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tests/src/creditFeesToTreasury.test.ts7.8 KiBsource history
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 './interfaces/augment-api-consts';18import chai from 'chai';19import chaiAsPromised from 'chai-as-promised';20import {default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync} from './substrate/substrate-api';21import {alicesPublicKey, bobsPublicKey} from './accounts';22import {IKeyringPair} from '@polkadot/types/types';23import {24  createCollectionExpectSuccess,25  createItemExpectSuccess,26  getGenericResult,27  transferExpectSuccess,28  UNIQUE,29} from './util/helpers';3031import {default as waitNewBlocks} from './substrate/wait-new-blocks';32import {ApiPromise} from '@polkadot/api';3334chai.use(chaiAsPromised);35const expect = chai.expect;3637const TREASURY = '5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z';38const saneMinimumFee = 0.05;39const saneMaximumFee = 0.5;40const createCollectionDeposit = 100;4142let alice: IKeyringPair;43let bob: IKeyringPair;4445// Skip the inflation block pauses if the block is close to inflation block46// until the inflation happens47/*eslint no-async-promise-executor: "off"*/48function skipInflationBlock(api: ApiPromise): Promise<void> {49  const promise = new Promise<void>(async (resolve) => {50    const blockInterval = (await api.consts.inflation.inflationBlockInterval).toNumber();51    const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {52      const currentBlock = head.number.toNumber();53      if (currentBlock % blockInterval < blockInterval - 10) {54        unsubscribe();55        resolve();56      } else {57        console.log(`Skipping inflation block, current block: ${currentBlock}`);58      }59    });60  });6162  return promise;63}6465describe('integration test: Fees must be credited to Treasury:', () => {66  before(async () => {67    await usingApi(async (api, privateKeyWrapper) => {68      alice = privateKeyWrapper('//Alice');69      bob = privateKeyWrapper('//Bob');70    });71  });7273  it('Total issuance does not change', async () => {74    await usingApi(async (api, privateKeyWrapper) => {75      await skipInflationBlock(api);76      await waitNewBlocks(api, 1);7778      const totalBefore = (await api.query.balances.totalIssuance()).toBigInt();7980      const alicePrivateKey = privateKeyWrapper('//Alice');81      const amount = 1n;82      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);8384      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));8586      const totalAfter = (await api.query.balances.totalIssuance()).toBigInt();8788      expect(result.success).to.be.true;89      expect(totalAfter).to.be.equal(totalBefore);90    });91  });9293  it('Sender balance decreased by fee+sent amount, Treasury balance increased by fee', async () => {94    await usingApi(async (api, privateKeyWrapper) => {95      await skipInflationBlock(api);96      await waitNewBlocks(api, 1);9798      const alicePrivateKey = privateKeyWrapper('//Alice');99      const treasuryBalanceBefore: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();100      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();101102      const amount = 1n;103      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);104      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));105106      const treasuryBalanceAfter: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();107      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();108      const fee = aliceBalanceBefore - aliceBalanceAfter - amount;109      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;110111      expect(result.success).to.be.true;112      expect(treasuryIncrease).to.be.equal(fee);113    });114  });115116  it('Treasury balance increased by failed tx fee', async () => {117    await usingApi(async (api, privateKeyWrapper) => {118      //await skipInflationBlock(api);119      await waitNewBlocks(api, 1);120121      const bobPrivateKey = privateKeyWrapper('//Bob');122      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();123      const bobBalanceBefore = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();124125      const badTx = api.tx.balances.setBalance(alicesPublicKey, 0, 0);126      await expect(submitTransactionExpectFailAsync(bobPrivateKey, badTx)).to.be.rejected;127128      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();129      const bobBalanceAfter = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();130      const fee = bobBalanceBefore - bobBalanceAfter;131      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;132133      expect(treasuryIncrease).to.be.equal(fee);134    });135  });136137  it('NFT Transactions also send fees to Treasury', async () => {138    await usingApi(async (api) => {139      await skipInflationBlock(api);140      await waitNewBlocks(api, 1);141142      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();143      const aliceBalanceBefore = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();144145      await createCollectionExpectSuccess();146147      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();148      const aliceBalanceAfter = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();149      const fee = aliceBalanceBefore - aliceBalanceAfter;150      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;151152      expect(treasuryIncrease).to.be.equal(fee);153    });154  });155156  it('Fees are sane', async () => {157    await usingApi(async (api) => {158      await skipInflationBlock(api);159      await waitNewBlocks(api, 1);160161      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();162163      await createCollectionExpectSuccess();164165      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();166      const fee = aliceBalanceBefore - aliceBalanceAfter;167168      expect(fee / UNIQUE < BigInt(Math.ceil(saneMaximumFee + createCollectionDeposit))).to.be.true;169      expect(fee / UNIQUE < BigInt(Math.ceil(saneMinimumFee  + createCollectionDeposit))).to.be.true;170    });171  });172173  it('NFT Transfer fee is close to 0.1 Unique', async () => {174    await usingApi(async (api) => {175      await skipInflationBlock(api);176      await waitNewBlocks(api, 1);177178      const collectionId = await createCollectionExpectSuccess();179      const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT');180181      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();182      await transferExpectSuccess(collectionId, tokenId, alice, bob, 1, 'NFT');183      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();184185      const fee = Number(aliceBalanceBefore - aliceBalanceAfter) / Number(UNIQUE);186      const expectedTransferFee = 0.1;187      // fee drifts because of NextFeeMultiplier188      const tolerance = 0.001;189190      expect(Math.abs(fee - expectedTransferFee)).to.be.lessThan(tolerance);191    });192  });193194});