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Diffstat (limited to 'packages/contracts/test/exchange/helpers.ts')
-rw-r--r-- | packages/contracts/test/exchange/helpers.ts | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/packages/contracts/test/exchange/helpers.ts b/packages/contracts/test/exchange/helpers.ts deleted file mode 100644 index c3b947983..000000000 --- a/packages/contracts/test/exchange/helpers.ts +++ /dev/null @@ -1,234 +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 'make-promises-safe'; - -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); - }); - }); -}); |