`2976d69d82a2`

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tests/src/creditFeesToTreasury.test.ts7.7 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 privateKey from './substrate/privateKey';23import {IKeyringPair} from '@polkadot/types/types';24import {25  createCollectionExpectSuccess,26  createItemExpectSuccess,27  getGenericResult,28  transferExpectSuccess,29  UNIQUE,30} from './util/helpers';3132import {default as waitNewBlocks} from './substrate/wait-new-blocks';33import {ApiPromise} from '@polkadot/api';3435chai.use(chaiAsPromised);36const expect = chai.expect;3738const TREASURY = '5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z';39const saneMinimumFee = 0.05;40const saneMaximumFee = 0.5;41const createCollectionDeposit = 100;4243let alice: IKeyringPair;44let bob: IKeyringPair;4546// Skip the inflation block pauses if the block is close to inflation block47// until the inflation happens48/*eslint no-async-promise-executor: "off"*/49function skipInflationBlock(api: ApiPromise): Promise<void> {50  const promise = new Promise<void>(async (resolve) => {51    const blockInterval = (await api.consts.inflation.inflationBlockInterval).toNumber();52    const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {53      const currentBlock = head.number.toNumber();54      if (currentBlock % blockInterval < blockInterval - 10) {55        unsubscribe();56        resolve();57      } else {58        console.log(`Skipping inflation block, current block: ${currentBlock}`);59      }60    });61  });6263  return promise;64}6566describe('integration test: Fees must be credited to Treasury:', () => {67  before(async () => {68    await usingApi(async () => {69      alice = privateKey('//Alice');70      bob = privateKey('//Bob');71    });72  });7374  it('Total issuance does not change', async () => {75    await usingApi(async (api) => {76      await skipInflationBlock(api);77      await waitNewBlocks(api, 1);7879      const totalBefore = (await api.query.balances.totalIssuance()).toBigInt();8081      const alicePrivateKey = privateKey('//Alice');82      const amount = 1n;83      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);8485      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));8687      const totalAfter = (await api.query.balances.totalIssuance()).toBigInt();8889      expect(result.success).to.be.true;90      expect(totalAfter).to.be.equal(totalBefore);91    });92  });9394  it('Sender balance decreased by fee+sent amount, Treasury balance increased by fee', async () => {95    await usingApi(async (api) => {96      await skipInflationBlock(api);97      await waitNewBlocks(api, 1);9899      const alicePrivateKey = privateKey('//Alice');100      const treasuryBalanceBefore: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();101      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();102103      const amount = 1n;104      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);105      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));106107      const treasuryBalanceAfter: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();108      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();109      const fee = aliceBalanceBefore - aliceBalanceAfter - amount;110      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;111112      expect(result.success).to.be.true;113      expect(treasuryIncrease).to.be.equal(fee);114    });115  });116117  it('Treasury balance increased by failed tx fee', async () => {118    await usingApi(async (api) => {119      //await skipInflationBlock(api);120      await waitNewBlocks(api, 1);121122      const bobPrivateKey = privateKey('//Bob');123      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();124      const bobBalanceBefore = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();125126      const badTx = api.tx.balances.setBalance(alicesPublicKey, 0, 0);127      await expect(submitTransactionExpectFailAsync(bobPrivateKey, badTx)).to.be.rejected;128129      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();130      const bobBalanceAfter = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();131      const fee = bobBalanceBefore - bobBalanceAfter;132      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;133134      expect(treasuryIncrease).to.be.equal(fee);135    });136  });137138  it('NFT Transactions also send fees to Treasury', async () => {139    await usingApi(async (api) => {140      await skipInflationBlock(api);141      await waitNewBlocks(api, 1);142143      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();144      const aliceBalanceBefore = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();145146      await createCollectionExpectSuccess();147148      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();149      const aliceBalanceAfter = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();150      const fee = aliceBalanceBefore - aliceBalanceAfter;151      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;152153      expect(treasuryIncrease).to.be.equal(fee);154    });155  });156157  it('Fees are sane', async () => {158    await usingApi(async (api) => {159      await skipInflationBlock(api);160      await waitNewBlocks(api, 1);161162      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();163164      await createCollectionExpectSuccess();165166      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();167      const fee = aliceBalanceBefore - aliceBalanceAfter;168169      expect(fee / UNIQUE < BigInt(Math.ceil(saneMaximumFee + createCollectionDeposit))).to.be.true;170      expect(fee / UNIQUE < BigInt(Math.ceil(saneMinimumFee  + createCollectionDeposit))).to.be.true;171    });172  });173174  it('NFT Transfer fee is close to 0.1 Unique', async () => {175    await usingApi(async (api) => {176      await skipInflationBlock(api);177      await waitNewBlocks(api, 1);178179      const collectionId = await createCollectionExpectSuccess();180      const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT');181182      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();183      await transferExpectSuccess(collectionId, tokenId, alice, bob, 1, 'NFT');184      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();185186      const fee = Number(aliceBalanceBefore - aliceBalanceAfter) / Number(UNIQUE);187      const expectedTransferFee = 0.1;188      // fee drifts because of NextFeeMultiplier189      const tolerance = 0.001;190191      expect(Math.abs(fee - expectedTransferFee)).to.be.lessThan(tolerance);192    });193  });194195});