`497a13397353`

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tests/src/creditFeesToTreasury.test.ts7.2 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} from './util/helpers';1819import {default as waitNewBlocks} from './substrate/wait-new-blocks';20import {ApiPromise} from '@polkadot/api';2122chai.use(chaiAsPromised);23const expect = chai.expect;2425const TREASURY = '5EYCAe5ijiYfyeZ2JJCGq56LmPyNRAKzpG4QkoQkkQNB5e6Z';26const saneMinimumFee = 0.05;27const saneMaximumFee = 0.5;28const createCollectionDeposit = 100;2930let alice: IKeyringPair;31let bob: IKeyringPair;3233// Skip the inflation block pauses if the block is close to inflation block34// until the inflation happens35/*eslint no-async-promise-executor: "off"*/36function skipInflationBlock(api: ApiPromise): Promise<void> {37  const promise = new Promise<void>(async (resolve) => {38    const blockInterval = (await api.consts.inflation.inflationBlockInterval).toNumber();39    const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {40      const currentBlock = head.number.toNumber();41      if (currentBlock % blockInterval < blockInterval - 10) {42        unsubscribe();43        resolve();44      } else {45        console.log(`Skipping inflation block, current block: ${currentBlock}`);46      }47    });48  });4950  return promise;51}5253describe('integration test: Fees must be credited to Treasury:', () => {54  before(async () => {55    await usingApi(async () => {56      alice = privateKey('//Alice');57      bob = privateKey('//Bob');58    });59  });6061  it('Total issuance does not change', async () => {62    await usingApi(async (api) => {63      await skipInflationBlock(api);64      await waitNewBlocks(api, 1);6566      const totalBefore = (await api.query.balances.totalIssuance()).toBigInt();6768      const alicePrivateKey = privateKey('//Alice');69      const amount = 1n;70      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);7172      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));7374      const totalAfter = (await api.query.balances.totalIssuance()).toBigInt();7576      expect(result.success).to.be.true;77      expect(totalAfter).to.be.equal(totalBefore);78    });79  });8081  it('Sender balance decreased by fee+sent amount, Treasury balance increased by fee', async () => {82    await usingApi(async (api) => {83      await skipInflationBlock(api);84      await waitNewBlocks(api, 1);8586      const alicePrivateKey = privateKey('//Alice');87      const treasuryBalanceBefore: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();88      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();8990      const amount = 1n;91      const transfer = api.tx.balances.transfer(bobsPublicKey, amount);92      const result = getGenericResult(await submitTransactionAsync(alicePrivateKey, transfer));9394      const treasuryBalanceAfter: bigint = (await api.query.system.account(TREASURY)).data.free.toBigInt();95      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();96      const fee = aliceBalanceBefore - aliceBalanceAfter - amount;97      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;9899      expect(result.success).to.be.true;100      expect(treasuryIncrease).to.be.equal(fee);101    });102  });103104  it('Treasury balance increased by failed tx fee', async () => {105    await usingApi(async (api) => {106      await skipInflationBlock(api);107      await waitNewBlocks(api, 1);108109      const bobPrivateKey = privateKey('//Bob');110      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();111      const bobBalanceBefore = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();112113      const badTx = api.tx.balances.setBalance(alicesPublicKey, 0, 0);114      await expect(submitTransactionExpectFailAsync(bobPrivateKey, badTx)).to.be.rejected;115116      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();117      const bobBalanceAfter = (await api.query.system.account(bobsPublicKey)).data.free.toBigInt();118      const fee = bobBalanceBefore - bobBalanceAfter;119      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;120121      expect(treasuryIncrease).to.be.equal(fee);122    });123  });124125  it('NFT Transactions also send fees to Treasury', async () => {126    await usingApi(async (api) => {127      await skipInflationBlock(api);128      await waitNewBlocks(api, 1);129130      const treasuryBalanceBefore = (await api.query.system.account(TREASURY)).data.free.toBigInt();131      const aliceBalanceBefore = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();132133      await createCollectionExpectSuccess();134135      const treasuryBalanceAfter = (await api.query.system.account(TREASURY)).data.free.toBigInt();136      const aliceBalanceAfter = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();137      const fee = aliceBalanceBefore - aliceBalanceAfter;138      const treasuryIncrease = treasuryBalanceAfter - treasuryBalanceBefore;139140      expect(treasuryIncrease).to.be.equal(fee);141    });142  });143144  it('Fees are sane', async () => {145    await usingApi(async (api) => {146      await skipInflationBlock(api);147      await waitNewBlocks(api, 1);148149      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();150151      await createCollectionExpectSuccess();152153      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();154      const fee = aliceBalanceBefore - aliceBalanceAfter;155156      expect(fee / 10n ** 15n < BigInt(Math.ceil(saneMaximumFee + createCollectionDeposit))).to.be.true;157      expect(fee / 10n ** 15n < BigInt(Math.ceil(saneMinimumFee  + createCollectionDeposit))).to.be.true;158    });159  });160161  it('NFT Transfer fee is close to 0.1 Unique', async () => {162    await usingApi(async (api) => {163      await skipInflationBlock(api);164      await waitNewBlocks(api, 1);165166      const collectionId = await createCollectionExpectSuccess();167      const tokenId = await createItemExpectSuccess(alice, collectionId, 'NFT');168169      const aliceBalanceBefore: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();170      await transferExpectSuccess(collectionId, tokenId, alice, bob, 1, 'NFT');171      const aliceBalanceAfter: bigint = (await api.query.system.account(alicesPublicKey)).data.free.toBigInt();172      const fee = aliceBalanceBefore - aliceBalanceAfter;173174      // console.log(fee.toString());175      const expectedTransferFee = 0.1;176      const toleranceMaxBound = 0.0012;177      const toleranceMinBound = -0.0012;178      const fact = Number(fee) / 1e15 - expectedTransferFee;179      expect(fact).to.be.lessThan(toleranceMaxBound);180      expect(fact).to.be.greaterThan(toleranceMinBound);181    });182  });183184});