`900be63a359f`

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tests/src/creditFeesToTreasury.seqtest.ts6.6 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 {IKeyringPair} from '@polkadot/types/types';19import {ApiPromise} from '@polkadot/api';20import {usingPlaygrounds, expect, itSub} from './util';2122const TREASURY = '5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z';23const saneMinimumFee = 0.05;24const saneMaximumFee = 0.5;25const createCollectionDeposit = 100;2627// Skip the inflation block pauses if the block is close to inflation block28// until the inflation happens29/*eslint no-async-promise-executor: "off"*/30function skipInflationBlock(api: ApiPromise): Promise<void> {31  const promise = new Promise<void>(async (resolve) => {32    const blockInterval = api.consts.inflation.inflationBlockInterval.toNumber();33    const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {34      const currentBlock = head.number.toNumber();35      if(currentBlock % blockInterval < blockInterval - 10) {36        unsubscribe();37        resolve();38      } else {39        console.log(`Skipping inflation block, current block: ${currentBlock}`);40      }41    });42  });4344  return promise;45}4647describe('integration test: Fees must be credited to Treasury:', () => {48  let alice: IKeyringPair;49  let bob: IKeyringPair;5051  before(async () => {52    await usingPlaygrounds(async (helper, privateKey) => {53      const donor = await privateKey({url: import.meta.url});54      [alice, bob] = await helper.arrange.createAccounts([100n, 100n], donor);55    });56  });5758  itSub('Total issuance does not change', async ({helper}) => {59    const api = helper.getApi();60    await skipInflationBlock(api);61    await helper.wait.newBlocks(1);6263    const totalBefore = (await helper.callRpc('api.query.balances.totalIssuance', [])).toBigInt();6465    await helper.balance.transferToSubstrate(alice, bob.address, 1n);6667    const totalAfter = (await helper.callRpc('api.query.balances.totalIssuance', [])).toBigInt();6869    expect(totalAfter).to.be.equal(totalBefore);70  });7172  itSub('Sender balance decreased by fee+sent amount, Treasury balance increased by fee', async ({helper}) => {73    await skipInflationBlock(helper.getApi());74    await helper.wait.newBlocks(1);7576    const treasuryBalanceBefore = await helper.balance.getSubstrate(TREASURY);77    const aliceBalanceBefore = await helper.balance.getSubstrate(alice.address);7879    const amount = 1n;80    await helper.balance.transferToSubstrate(alice, bob.address, amount);8182    const treasuryBalanceAfter = await helper.balance.getSubstrate(TREASURY);83    const aliceBalanceAfter = await helper.balance.getSubstrate(alice.address);8485    const fee = aliceBalanceBefore - aliceBalanceAfter - amount;86    const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;8788    expect(treasuryIncrease).to.be.equal(fee);89  });9091  itSub('Treasury balance increased by failed tx fee', async ({helper}) => {92    const api = helper.getApi();93    await helper.wait.newBlocks(1);9495    const treasuryBalanceBefore = await helper.balance.getSubstrate(TREASURY);96    const bobBalanceBefore = await helper.balance.getSubstrate(bob.address);9798    await expect(helper.signTransaction(bob, api.tx.balances.forceSetBalance(alice.address, 0))).to.be.rejected;99100    const treasuryBalanceAfter = await helper.balance.getSubstrate(TREASURY);101    const bobBalanceAfter = await helper.balance.getSubstrate(bob.address);102103    const fee = bobBalanceBefore - bobBalanceAfter;104    const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;105106    expect(treasuryIncrease).to.be.equal(fee);107  });108109  itSub('NFT Transactions also send fees to Treasury', async ({helper}) => {110    await skipInflationBlock(helper.getApi());111    await helper.wait.newBlocks(1);112113    const treasuryBalanceBefore = await helper.balance.getSubstrate(TREASURY);114    const aliceBalanceBefore = await helper.balance.getSubstrate(alice.address);115116    await helper.nft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});117118    const treasuryBalanceAfter = await helper.balance.getSubstrate(TREASURY);119    const aliceBalanceAfter = await helper.balance.getSubstrate(alice.address);120    const fee = aliceBalanceBefore - aliceBalanceAfter;121    const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;122123    expect(treasuryIncrease).to.be.equal(fee);124  });125126  itSub('Fees are sane', async ({helper}) => {127    const unique = helper.balance.getOneTokenNominal();128    await skipInflationBlock(helper.getApi());129    await helper.wait.newBlocks(1);130131    const aliceBalanceBefore = await helper.balance.getSubstrate(alice.address);132133    await helper.nft.mintCollection(alice, {name: 'test', description: 'test', tokenPrefix: 'test'});134135    const aliceBalanceAfter = await helper.balance.getSubstrate(alice.address);136    const fee = aliceBalanceBefore - aliceBalanceAfter;137138    expect(fee / unique < BigInt(Math.ceil(saneMaximumFee + createCollectionDeposit))).to.be.true;139    expect(fee / unique < BigInt(Math.ceil(saneMinimumFee  + createCollectionDeposit))).to.be.true;140  });141142  itSub('NFT Transfer fee is close to 0.1 Unique', async ({helper}) => {143    await skipInflationBlock(helper.getApi());144    await helper.wait.newBlocks(1);145146    const collection = await helper.nft.mintCollection(alice, {147      name: 'test',148      description: 'test',149      tokenPrefix: 'test',150    });151    // const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT');152    const token = await collection.mintToken(alice, {Substrate: alice.address});153154    const aliceBalanceBefore = await helper.balance.getSubstrate(alice.address);155    await token.transfer(alice, {Substrate: bob.address});156    const aliceBalanceAfter = await helper.balance.getSubstrate(alice.address);157158    const fee = Number(aliceBalanceBefore - aliceBalanceAfter) / Number(helper.balance.getOneTokenNominal());159    const expectedTransferFee = 0.1;160    // fee drifts because of NextFeeMultiplier161    const tolerance = 0.001;162163    expect(Math.abs(fee - expectedTransferFee)).to.be.lessThan(tolerance);164  });165});