aboutsummaryrefslogtreecommitdiffstats
path: root/packages/contracts/test/exchange/helpers.ts
diff options
context:
space:
mode:
Diffstat (limited to 'packages/contracts/test/exchange/helpers.ts')
-rw-r--r--packages/contracts/test/exchange/helpers.ts233
1 files changed, 0 insertions, 233 deletions
diff --git a/packages/contracts/test/exchange/helpers.ts b/packages/contracts/test/exchange/helpers.ts
deleted file mode 100644
index 441c1bc28..000000000
--- a/packages/contracts/test/exchange/helpers.ts
+++ /dev/null
@@ -1,233 +0,0 @@
-import { SignedOrder, ZeroEx } from '0x.js';
-import { BlockchainLifecycle, devConstants, web3Factory } from '@0xproject/dev-utils';
-import { BigNumber } from '@0xproject/utils';
-import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import * as chai from 'chai';
-import ethUtil = require('ethereumjs-util');
-
-import {
- ExchangeContract,
- LogCancelContractEventArgs,
- LogErrorContractEventArgs,
- LogFillContractEventArgs,
-} from '../../src/contract_wrappers/generated/exchange';
-
-import { DummyTokenContract } from '../../src/contract_wrappers/generated/dummy_token';
-import { TokenRegistryContract } from '../../src/contract_wrappers/generated/token_registry';
-import { TokenTransferProxyContract } from '../../src/contract_wrappers/generated/token_transfer_proxy';
-import { artifacts } from '../../util/artifacts';
-import { constants } from '../../util/constants';
-import { ExchangeWrapper } from '../../util/exchange_wrapper';
-import { OrderFactory } from '../../util/order_factory';
-import { ContractName } from '../../util/types';
-import { chaiSetup } from '../utils/chai_setup';
-
-import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
-
-chaiSetup.configure();
-const expect = chai.expect;
-
-const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
-
-describe('Exchange', () => {
- let maker: string;
- let feeRecipient: string;
-
- let signedOrder: SignedOrder;
- let exchangeWrapper: ExchangeWrapper;
- let orderFactory: OrderFactory;
-
- before(async () => {
- const accounts = await web3Wrapper.getAvailableAddressesAsync();
- [maker, feeRecipient] = accounts;
- const tokenRegistry = await TokenRegistryContract.deployFrom0xArtifactAsync(
- artifacts.TokenRegistry,
- provider,
- txDefaults,
- );
- const tokenTransferProxy = await TokenTransferProxyContract.deployFrom0xArtifactAsync(
- artifacts.TokenTransferProxy,
- provider,
- txDefaults,
- );
- const [rep, dgd, zrx] = await Promise.all([
- DummyTokenContract.deployFrom0xArtifactAsync(
- artifacts.DummyToken,
- provider,
- txDefaults,
- constants.DUMMY_TOKEN_NAME,
- constants.DUMMY_TOKEN_SYMBOL,
- constants.DUMMY_TOKEN_DECIMALS,
- constants.DUMMY_TOKEN_TOTAL_SUPPLY,
- ),
- DummyTokenContract.deployFrom0xArtifactAsync(
- artifacts.DummyToken,
- provider,
- txDefaults,
- constants.DUMMY_TOKEN_NAME,
- constants.DUMMY_TOKEN_SYMBOL,
- constants.DUMMY_TOKEN_DECIMALS,
- constants.DUMMY_TOKEN_TOTAL_SUPPLY,
- ),
- DummyTokenContract.deployFrom0xArtifactAsync(
- artifacts.DummyToken,
- provider,
- txDefaults,
- constants.DUMMY_TOKEN_NAME,
- constants.DUMMY_TOKEN_SYMBOL,
- constants.DUMMY_TOKEN_DECIMALS,
- constants.DUMMY_TOKEN_TOTAL_SUPPLY,
- ),
- ]);
- const exchange = await ExchangeContract.deployFrom0xArtifactAsync(
- artifacts.Exchange,
- provider,
- txDefaults,
- zrx.address,
- tokenTransferProxy.address,
- );
- await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: accounts[0] });
- const zeroEx = new ZeroEx(provider, { networkId: constants.TESTRPC_NETWORK_ID });
- exchangeWrapper = new ExchangeWrapper(exchange, zeroEx);
- const defaultOrderParams = {
- exchangeContractAddress: exchange.address,
- maker,
- feeRecipient,
- makerTokenAddress: rep.address,
- takerTokenAddress: dgd.address,
- makerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(100), 18),
- takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(200), 18),
- makerFee: ZeroEx.toBaseUnitAmount(new BigNumber(1), 18),
- takerFee: ZeroEx.toBaseUnitAmount(new BigNumber(1), 18),
- };
- orderFactory = new OrderFactory(zeroEx, defaultOrderParams);
- signedOrder = await orderFactory.newSignedOrderAsync();
- });
-
- beforeEach(async () => {
- await blockchainLifecycle.startAsync();
- });
- afterEach(async () => {
- await blockchainLifecycle.revertAsync();
- });
- describe('getOrderHash', () => {
- it('should output the correct orderHash', async () => {
- const orderHashHex = await exchangeWrapper.getOrderHashAsync(signedOrder);
- expect(ZeroEx.getOrderHashHex(signedOrder)).to.be.equal(orderHashHex);
- });
- });
-
- describe('isValidSignature', () => {
- beforeEach(async () => {
- signedOrder = await orderFactory.newSignedOrderAsync();
- });
-
- it('should return true with a valid signature', async () => {
- const success = await exchangeWrapper.isValidSignatureAsync(signedOrder);
- const orderHashHex = ZeroEx.getOrderHashHex(signedOrder);
- const isValidSignature = ZeroEx.isValidSignature(orderHashHex, signedOrder.ecSignature, signedOrder.maker);
- expect(isValidSignature).to.be.true();
- expect(success).to.be.true();
- });
-
- it('should return false with an invalid signature', async () => {
- signedOrder.ecSignature.r = ethUtil.bufferToHex(ethUtil.sha3('invalidR'));
- signedOrder.ecSignature.s = ethUtil.bufferToHex(ethUtil.sha3('invalidS'));
- const success = await exchangeWrapper.isValidSignatureAsync(signedOrder);
- const orderHashHex = ZeroEx.getOrderHashHex(signedOrder);
- const isValidSignature = ZeroEx.isValidSignature(orderHashHex, signedOrder.ecSignature, signedOrder.maker);
- expect(isValidSignature).to.be.false();
- expect(success).to.be.false();
- });
- });
-
- describe('isRoundingError', () => {
- it('should return false if there is a rounding error of 0.1%', async () => {
- const numerator = new BigNumber(20);
- const denominator = new BigNumber(999);
- const target = new BigNumber(50);
- // rounding error = ((20*50/999) - floor(20*50/999)) / (20*50/999) = 0.1%
- const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target);
- expect(isRoundingError).to.be.false();
- });
-
- it('should return false if there is a rounding of 0.09%', async () => {
- const numerator = new BigNumber(20);
- const denominator = new BigNumber(9991);
- const target = new BigNumber(500);
- // rounding error = ((20*500/9991) - floor(20*500/9991)) / (20*500/9991) = 0.09%
- const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target);
- expect(isRoundingError).to.be.false();
- });
-
- it('should return true if there is a rounding error of 0.11%', async () => {
- const numerator = new BigNumber(20);
- const denominator = new BigNumber(9989);
- const target = new BigNumber(500);
- // rounding error = ((20*500/9989) - floor(20*500/9989)) / (20*500/9989) = 0.011%
- const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target);
- expect(isRoundingError).to.be.true();
- });
-
- it('should return true if there is a rounding error > 0.1%', async () => {
- const numerator = new BigNumber(3);
- const denominator = new BigNumber(7);
- const target = new BigNumber(10);
- // rounding error = ((3*10/7) - floor(3*10/7)) / (3*10/7) = 6.67%
- const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target);
- expect(isRoundingError).to.be.true();
- });
-
- it('should return false when there is no rounding error', async () => {
- const numerator = new BigNumber(1);
- const denominator = new BigNumber(2);
- const target = new BigNumber(10);
-
- const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target);
- expect(isRoundingError).to.be.false();
- });
-
- it('should return false when there is rounding error <= 0.1%', async () => {
- // randomly generated numbers
- const numerator = new BigNumber(76564);
- const denominator = new BigNumber(676373677);
- const target = new BigNumber(105762562);
- // rounding error = ((76564*105762562/676373677) - floor(76564*105762562/676373677)) /
- // (76564*105762562/676373677) = 0.0007%
- const isRoundingError = await exchangeWrapper.isRoundingErrorAsync(numerator, denominator, target);
- expect(isRoundingError).to.be.false();
- });
- });
-
- describe('getPartialAmount', () => {
- it('should return the numerator/denominator*target', async () => {
- const numerator = new BigNumber(1);
- const denominator = new BigNumber(2);
- const target = new BigNumber(10);
-
- const partialAmount = await exchangeWrapper.getPartialAmountAsync(numerator, denominator, target);
- const expectedPartialAmount = 5;
- expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount);
- });
-
- it('should round down', async () => {
- const numerator = new BigNumber(2);
- const denominator = new BigNumber(3);
- const target = new BigNumber(10);
-
- const partialAmount = await exchangeWrapper.getPartialAmountAsync(numerator, denominator, target);
- const expectedPartialAmount = 6;
- expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount);
- });
-
- it('should round .5 down', async () => {
- const numerator = new BigNumber(1);
- const denominator = new BigNumber(20);
- const target = new BigNumber(10);
-
- const partialAmount = await exchangeWrapper.getPartialAmountAsync(numerator, denominator, target);
- const expectedPartialAmount = 0;
- expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount);
- });
- });
-});
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-24 15:37:12 +0800