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author | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-07-05 21:04:01 +0800 |
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committer | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-07-05 21:04:01 +0800 |
commit | 1ee2d6ed54b6159d1e8952692f4ddba0ebd65012 (patch) | |
tree | 1cebf47acf4fff2352a709035c141ec7ffdb8353 /packages/contracts/src/utils/core_combinatorial_utils.ts | |
parent | 1eba78e20ac468d3b4d6ebe8fd91eb5277577e0a (diff) | |
parent | 5176d929fa6d3c6ce414448ea2441bd450f04e3c (diff) | |
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Merge branch 'v2-prototype' into v2-contract-wrappers-WIP
Diffstat (limited to 'packages/contracts/src/utils/core_combinatorial_utils.ts')
-rw-r--r-- | packages/contracts/src/utils/core_combinatorial_utils.ts | 801 |
1 files changed, 0 insertions, 801 deletions
diff --git a/packages/contracts/src/utils/core_combinatorial_utils.ts b/packages/contracts/src/utils/core_combinatorial_utils.ts deleted file mode 100644 index 5b725fbe3..000000000 --- a/packages/contracts/src/utils/core_combinatorial_utils.ts +++ /dev/null @@ -1,801 +0,0 @@ -import { - assetProxyUtils, - BalanceAndProxyAllowanceLazyStore, - ExchangeTransferSimulator, - orderHashUtils, - OrderStateUtils, - OrderValidationUtils, -} from '@0xproject/order-utils'; -import { AssetProxyId, RevertReason, SignatureType, SignedOrder } from '@0xproject/types'; -import { BigNumber, errorUtils, logUtils } from '@0xproject/utils'; -import { Web3Wrapper } from '@0xproject/web3-wrapper'; -import * as chai from 'chai'; -import { LogWithDecodedArgs, Provider, TxData } from 'ethereum-types'; -import * as _ from 'lodash'; -import 'make-promises-safe'; - -import { ExchangeContract, FillContractEventArgs } from '../generated_contract_wrappers/exchange'; -import { artifacts } from '../utils/artifacts'; -import { expectRevertReasonOrAlwaysFailingTransactionAsync } from '../utils/assertions'; -import { AssetWrapper } from '../utils/asset_wrapper'; -import { chaiSetup } from '../utils/chai_setup'; -import { constants } from '../utils/constants'; -import { ERC20Wrapper } from '../utils/erc20_wrapper'; -import { ERC721Wrapper } from '../utils/erc721_wrapper'; -import { ExchangeWrapper } from '../utils/exchange_wrapper'; -import { OrderFactoryFromScenario } from '../utils/order_factory_from_scenario'; -import { orderUtils } from '../utils/order_utils'; -import { signingUtils } from '../utils/signing_utils'; -import { SimpleAssetBalanceAndProxyAllowanceFetcher } from '../utils/simple_asset_balance_and_proxy_allowance_fetcher'; -import { SimpleOrderFilledCancelledFetcher } from '../utils/simple_order_filled_cancelled_fetcher'; -import { - AllowanceAmountScenario, - AssetDataScenario, - BalanceAmountScenario, - ExpirationTimeSecondsScenario, - FeeRecipientAddressScenario, - FillScenario, - OrderAssetAmountScenario, - TakerAssetFillAmountScenario, - TakerScenario, - TraderStateScenario, -} from '../utils/types'; - -chaiSetup.configure(); -const expect = chai.expect; - -/** - * Instantiates a new instance of CoreCombinatorialUtils. Since this method has some - * required async setup, a factory method is required. - * @param web3Wrapper Web3Wrapper instance - * @param txDefaults Default Ethereum tx options - * @return CoreCombinatorialUtils instance - */ -export async function coreCombinatorialUtilsFactoryAsync( - web3Wrapper: Web3Wrapper, - txDefaults: Partial<TxData>, -): Promise<CoreCombinatorialUtils> { - const accounts = await web3Wrapper.getAvailableAddressesAsync(); - const userAddresses = _.slice(accounts, 0, 5); - const [ownerAddress, makerAddress, takerAddress] = userAddresses; - const makerPrivateKey = constants.TESTRPC_PRIVATE_KEYS[userAddresses.indexOf(makerAddress)]; - - const provider = web3Wrapper.getProvider(); - const erc20Wrapper = new ERC20Wrapper(provider, userAddresses, ownerAddress); - const erc721Wrapper = new ERC721Wrapper(provider, userAddresses, ownerAddress); - - const erc20EighteenDecimalTokenCount = 3; - const eighteenDecimals = new BigNumber(18); - const [ - erc20EighteenDecimalTokenA, - erc20EighteenDecimalTokenB, - zrxToken, - ] = await erc20Wrapper.deployDummyTokensAsync(erc20EighteenDecimalTokenCount, eighteenDecimals); - const zrxAssetData = assetProxyUtils.encodeERC20AssetData(zrxToken.address); - - const erc20FiveDecimalTokenCount = 2; - const fiveDecimals = new BigNumber(18); - const [erc20FiveDecimalTokenA, erc20FiveDecimalTokenB] = await erc20Wrapper.deployDummyTokensAsync( - erc20FiveDecimalTokenCount, - fiveDecimals, - ); - const erc20Proxy = await erc20Wrapper.deployProxyAsync(); - await erc20Wrapper.setBalancesAndAllowancesAsync(); - - const [erc721Token] = await erc721Wrapper.deployDummyTokensAsync(); - const erc721Proxy = await erc721Wrapper.deployProxyAsync(); - await erc721Wrapper.setBalancesAndAllowancesAsync(); - const erc721Balances = await erc721Wrapper.getBalancesAsync(); - - const assetWrapper = new AssetWrapper([erc20Wrapper, erc721Wrapper]); - - const exchangeContract = await ExchangeContract.deployFrom0xArtifactAsync( - artifacts.Exchange, - provider, - txDefaults, - zrxAssetData, - ); - const exchangeWrapper = new ExchangeWrapper(exchangeContract, provider); - await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC20, erc20Proxy.address, ownerAddress); - await exchangeWrapper.registerAssetProxyAsync(AssetProxyId.ERC721, erc721Proxy.address, ownerAddress); - - await web3Wrapper.awaitTransactionSuccessAsync( - await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchangeContract.address, { - from: ownerAddress, - }), - constants.AWAIT_TRANSACTION_MINED_MS, - ); - await web3Wrapper.awaitTransactionSuccessAsync( - await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchangeContract.address, { - from: ownerAddress, - }), - constants.AWAIT_TRANSACTION_MINED_MS, - ); - - const orderFactory = new OrderFactoryFromScenario( - userAddresses, - zrxToken.address, - [erc20EighteenDecimalTokenA.address, erc20EighteenDecimalTokenB.address], - [erc20FiveDecimalTokenA.address, erc20FiveDecimalTokenB.address], - erc721Token, - erc721Balances, - exchangeContract.address, - ); - - const coreCombinatorialUtils = new CoreCombinatorialUtils( - orderFactory, - ownerAddress, - makerAddress, - makerPrivateKey, - takerAddress, - zrxAssetData, - exchangeWrapper, - assetWrapper, - ); - return coreCombinatorialUtils; -} - -export class CoreCombinatorialUtils { - public orderFactory: OrderFactoryFromScenario; - public ownerAddress: string; - public makerAddress: string; - public makerPrivateKey: Buffer; - public takerAddress: string; - public zrxAssetData: string; - public exchangeWrapper: ExchangeWrapper; - public assetWrapper: AssetWrapper; - public static generateFillOrderCombinations(): FillScenario[] { - const takerScenarios = [TakerScenario.Unspecified]; - const feeRecipientScenarios = [FeeRecipientAddressScenario.EthUserAddress]; - const makerAssetAmountScenario = [OrderAssetAmountScenario.Large]; - const takerAssetAmountScenario = [OrderAssetAmountScenario.Large]; - const makerFeeScenario = [OrderAssetAmountScenario.Large]; - const takerFeeScenario = [OrderAssetAmountScenario.Large]; - const expirationTimeSecondsScenario = [ExpirationTimeSecondsScenario.InFuture]; - const makerAssetDataScenario = [ - AssetDataScenario.ERC20FiveDecimals, - AssetDataScenario.ERC20NonZRXEighteenDecimals, - AssetDataScenario.ERC721, - AssetDataScenario.ZRXFeeToken, - ]; - const takerAssetDataScenario = [ - AssetDataScenario.ERC20FiveDecimals, - AssetDataScenario.ERC20NonZRXEighteenDecimals, - AssetDataScenario.ERC721, - AssetDataScenario.ZRXFeeToken, - ]; - const takerAssetFillAmountScenario = [TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount]; - const fillScenarioArrays = CoreCombinatorialUtils._getAllCombinations([ - takerScenarios, - feeRecipientScenarios, - makerAssetAmountScenario, - takerAssetAmountScenario, - makerFeeScenario, - takerFeeScenario, - expirationTimeSecondsScenario, - makerAssetDataScenario, - takerAssetDataScenario, - takerAssetFillAmountScenario, - ]); - - const fillScenarios = _.map(fillScenarioArrays, fillScenarioArray => { - const fillScenario: FillScenario = { - orderScenario: { - takerScenario: fillScenarioArray[0] as TakerScenario, - feeRecipientScenario: fillScenarioArray[1] as FeeRecipientAddressScenario, - makerAssetAmountScenario: fillScenarioArray[2] as OrderAssetAmountScenario, - takerAssetAmountScenario: fillScenarioArray[3] as OrderAssetAmountScenario, - makerFeeScenario: fillScenarioArray[4] as OrderAssetAmountScenario, - takerFeeScenario: fillScenarioArray[5] as OrderAssetAmountScenario, - expirationTimeSecondsScenario: fillScenarioArray[6] as ExpirationTimeSecondsScenario, - makerAssetDataScenario: fillScenarioArray[7] as AssetDataScenario, - takerAssetDataScenario: fillScenarioArray[8] as AssetDataScenario, - }, - takerAssetFillAmountScenario: fillScenarioArray[9] as TakerAssetFillAmountScenario, - makerStateScenario: { - traderAssetBalance: BalanceAmountScenario.Higher, - traderAssetAllowance: AllowanceAmountScenario.Higher, - zrxFeeBalance: BalanceAmountScenario.Higher, - zrxFeeAllowance: AllowanceAmountScenario.Higher, - }, - takerStateScenario: { - traderAssetBalance: BalanceAmountScenario.Higher, - traderAssetAllowance: AllowanceAmountScenario.Higher, - zrxFeeBalance: BalanceAmountScenario.Higher, - zrxFeeAllowance: AllowanceAmountScenario.Higher, - }, - }; - return fillScenario; - }); - - return fillScenarios; - } - /** - * Recursive implementation of generating all combinations of the supplied - * string-containing arrays. - */ - private static _getAllCombinations(arrays: string[][]): string[][] { - // Base case - if (arrays.length === 1) { - const remainingValues = _.map(arrays[0], val => { - return [val]; - }); - return remainingValues; - } else { - const result = []; - const restOfArrays = arrays.slice(1); - const allCombinationsOfRemaining = CoreCombinatorialUtils._getAllCombinations(restOfArrays); // recur with the rest of array - // tslint:disable:prefer-for-of - for (let i = 0; i < allCombinationsOfRemaining.length; i++) { - for (let j = 0; j < arrays[0].length; j++) { - result.push([arrays[0][j], ...allCombinationsOfRemaining[i]]); - } - } - // tslint:enable:prefer-for-of - return result; - } - } - constructor( - orderFactory: OrderFactoryFromScenario, - ownerAddress: string, - makerAddress: string, - makerPrivateKey: Buffer, - takerAddress: string, - zrxAssetData: string, - exchangeWrapper: ExchangeWrapper, - assetWrapper: AssetWrapper, - ) { - this.orderFactory = orderFactory; - this.ownerAddress = ownerAddress; - this.makerAddress = makerAddress; - this.makerPrivateKey = makerPrivateKey; - this.takerAddress = takerAddress; - this.zrxAssetData = zrxAssetData; - this.exchangeWrapper = exchangeWrapper; - this.assetWrapper = assetWrapper; - } - public async testFillOrderScenarioAsync( - provider: Provider, - fillScenario: FillScenario, - isVerbose: boolean = false, - ): Promise<void> { - // 1. Generate order - const order = this.orderFactory.generateOrder(fillScenario.orderScenario); - - // 2. Sign order - const orderHashBuff = orderHashUtils.getOrderHashBuffer(order); - const signature = signingUtils.signMessage(orderHashBuff, this.makerPrivateKey, SignatureType.EthSign); - const signedOrder = { - ...order, - signature: `0x${signature.toString('hex')}`, - }; - - const balanceAndProxyAllowanceFetcher = new SimpleAssetBalanceAndProxyAllowanceFetcher(this.assetWrapper); - const orderFilledCancelledFetcher = new SimpleOrderFilledCancelledFetcher( - this.exchangeWrapper, - this.zrxAssetData, - ); - - // 3. Figure out fill amount - const takerAssetFillAmount = await this._getTakerAssetFillAmountAsync( - signedOrder, - fillScenario.takerAssetFillAmountScenario, - balanceAndProxyAllowanceFetcher, - orderFilledCancelledFetcher, - ); - - // 4. Permutate the maker and taker balance/allowance scenarios - await this._modifyTraderStateAsync( - fillScenario.makerStateScenario, - fillScenario.takerStateScenario, - signedOrder, - takerAssetFillAmount, - ); - - // 5. If I fill it by X, what are the resulting balances/allowances/filled amounts expected? - const orderValidationUtils = new OrderValidationUtils(orderFilledCancelledFetcher); - const lazyStore = new BalanceAndProxyAllowanceLazyStore(balanceAndProxyAllowanceFetcher); - const exchangeTransferSimulator = new ExchangeTransferSimulator(lazyStore); - - let fillRevertReasonIfExists; - try { - await orderValidationUtils.validateFillOrderThrowIfInvalidAsync( - exchangeTransferSimulator, - provider, - signedOrder, - takerAssetFillAmount, - this.takerAddress, - this.zrxAssetData, - ); - if (isVerbose) { - logUtils.log(`Expecting fillOrder to succeed.`); - } - } catch (err) { - fillRevertReasonIfExists = err.message; - if (isVerbose) { - logUtils.log(`Expecting fillOrder to fail with:`); - logUtils.log(err); - } - } - - // 6. Fill the order - await this._fillOrderAndAssertOutcomeAsync( - signedOrder, - takerAssetFillAmount, - lazyStore, - fillRevertReasonIfExists, - ); - } - private async _fillOrderAndAssertOutcomeAsync( - signedOrder: SignedOrder, - takerAssetFillAmount: BigNumber, - lazyStore: BalanceAndProxyAllowanceLazyStore, - fillRevertReasonIfExists: RevertReason | undefined, - ): Promise<void> { - if (!_.isUndefined(fillRevertReasonIfExists)) { - return expectRevertReasonOrAlwaysFailingTransactionAsync( - this.exchangeWrapper.fillOrderAsync(signedOrder, this.takerAddress, { takerAssetFillAmount }), - fillRevertReasonIfExists, - ); - } - - const makerAddress = signedOrder.makerAddress; - const makerAssetData = signedOrder.makerAssetData; - const takerAssetData = signedOrder.takerAssetData; - const feeRecipient = signedOrder.feeRecipientAddress; - - const expMakerAssetBalanceOfMaker = await lazyStore.getBalanceAsync(makerAssetData, makerAddress); - const expMakerAssetAllowanceOfMaker = await lazyStore.getProxyAllowanceAsync(makerAssetData, makerAddress); - const expTakerAssetBalanceOfMaker = await lazyStore.getBalanceAsync(takerAssetData, makerAddress); - const expZRXAssetBalanceOfMaker = await lazyStore.getBalanceAsync(this.zrxAssetData, makerAddress); - const expZRXAssetAllowanceOfMaker = await lazyStore.getProxyAllowanceAsync(this.zrxAssetData, makerAddress); - const expTakerAssetBalanceOfTaker = await lazyStore.getBalanceAsync(takerAssetData, this.takerAddress); - const expTakerAssetAllowanceOfTaker = await lazyStore.getProxyAllowanceAsync(takerAssetData, this.takerAddress); - const expMakerAssetBalanceOfTaker = await lazyStore.getBalanceAsync(makerAssetData, this.takerAddress); - const expZRXAssetBalanceOfTaker = await lazyStore.getBalanceAsync(this.zrxAssetData, this.takerAddress); - const expZRXAssetAllowanceOfTaker = await lazyStore.getProxyAllowanceAsync( - this.zrxAssetData, - this.takerAddress, - ); - const expZRXAssetBalanceOfFeeRecipient = await lazyStore.getBalanceAsync(this.zrxAssetData, feeRecipient); - - const orderHash = orderHashUtils.getOrderHashHex(signedOrder); - const alreadyFilledTakerAmount = await this.exchangeWrapper.getTakerAssetFilledAmountAsync(orderHash); - const remainingTakerAmountToFill = signedOrder.takerAssetAmount.minus(alreadyFilledTakerAmount); - const expFilledTakerAmount = takerAssetFillAmount.gt(remainingTakerAmountToFill) - ? remainingTakerAmountToFill - : alreadyFilledTakerAmount.add(takerAssetFillAmount); - - const expFilledMakerAmount = orderUtils.getPartialAmount( - expFilledTakerAmount, - signedOrder.takerAssetAmount, - signedOrder.makerAssetAmount, - ); - - // - Let's fill the order! - const txReceipt = await this.exchangeWrapper.fillOrderAsync(signedOrder, this.takerAddress, { - takerAssetFillAmount, - }); - - const actFilledTakerAmount = await this.exchangeWrapper.getTakerAssetFilledAmountAsync(orderHash); - expect(actFilledTakerAmount).to.be.bignumber.equal(expFilledTakerAmount, 'filledTakerAmount'); - - expect(txReceipt.logs.length).to.be.equal(1, 'logs length'); - // tslint:disable-next-line:no-unnecessary-type-assertion - const log = txReceipt.logs[0] as LogWithDecodedArgs<FillContractEventArgs>; - expect(log.args.makerAddress).to.be.equal(makerAddress, 'log.args.makerAddress'); - expect(log.args.takerAddress).to.be.equal(this.takerAddress, 'log.args.this.takerAddress'); - expect(log.args.feeRecipientAddress).to.be.equal(feeRecipient, 'log.args.feeRecipientAddress'); - expect(log.args.makerAssetFilledAmount).to.be.bignumber.equal( - expFilledMakerAmount, - 'log.args.makerAssetFilledAmount', - ); - expect(log.args.takerAssetFilledAmount).to.be.bignumber.equal( - expFilledTakerAmount, - 'log.args.takerAssetFilledAmount', - ); - const expMakerFeePaid = orderUtils.getPartialAmount( - expFilledTakerAmount, - signedOrder.takerAssetAmount, - signedOrder.makerFee, - ); - expect(log.args.makerFeePaid).to.be.bignumber.equal(expMakerFeePaid, 'log.args.makerFeePaid'); - const expTakerFeePaid = orderUtils.getPartialAmount( - expFilledTakerAmount, - signedOrder.takerAssetAmount, - signedOrder.takerFee, - ); - expect(log.args.takerFeePaid).to.be.bignumber.equal(expTakerFeePaid, 'logs.args.takerFeePaid'); - expect(log.args.orderHash).to.be.equal(orderHash, 'log.args.orderHash'); - expect(log.args.makerAssetData).to.be.equal(makerAssetData, 'log.args.makerAssetData'); - expect(log.args.takerAssetData).to.be.equal(takerAssetData, 'log.args.takerAssetData'); - - const actMakerAssetBalanceOfMaker = await this.assetWrapper.getBalanceAsync(makerAddress, makerAssetData); - expect(actMakerAssetBalanceOfMaker).to.be.bignumber.equal( - expMakerAssetBalanceOfMaker, - 'makerAssetBalanceOfMaker', - ); - - const actMakerAssetAllowanceOfMaker = await this.assetWrapper.getProxyAllowanceAsync( - makerAddress, - makerAssetData, - ); - expect(actMakerAssetAllowanceOfMaker).to.be.bignumber.equal( - expMakerAssetAllowanceOfMaker, - 'makerAssetAllowanceOfMaker', - ); - - const actTakerAssetBalanceOfMaker = await this.assetWrapper.getBalanceAsync(makerAddress, takerAssetData); - expect(actTakerAssetBalanceOfMaker).to.be.bignumber.equal( - expTakerAssetBalanceOfMaker, - 'takerAssetBalanceOfMaker', - ); - - const actZRXAssetBalanceOfMaker = await this.assetWrapper.getBalanceAsync(makerAddress, this.zrxAssetData); - expect(actZRXAssetBalanceOfMaker).to.be.bignumber.equal(expZRXAssetBalanceOfMaker, 'ZRXAssetBalanceOfMaker'); - - const actZRXAssetAllowanceOfMaker = await this.assetWrapper.getProxyAllowanceAsync( - makerAddress, - this.zrxAssetData, - ); - expect(actZRXAssetAllowanceOfMaker).to.be.bignumber.equal( - expZRXAssetAllowanceOfMaker, - 'ZRXAssetAllowanceOfMaker', - ); - - const actTakerAssetBalanceOfTaker = await this.assetWrapper.getBalanceAsync(this.takerAddress, takerAssetData); - expect(actTakerAssetBalanceOfTaker).to.be.bignumber.equal( - expTakerAssetBalanceOfTaker, - 'TakerAssetBalanceOfTaker', - ); - - const actTakerAssetAllowanceOfTaker = await this.assetWrapper.getProxyAllowanceAsync( - this.takerAddress, - takerAssetData, - ); - - expect(actTakerAssetAllowanceOfTaker).to.be.bignumber.equal( - expTakerAssetAllowanceOfTaker, - 'TakerAssetAllowanceOfTaker', - ); - - const actMakerAssetBalanceOfTaker = await this.assetWrapper.getBalanceAsync(this.takerAddress, makerAssetData); - expect(actMakerAssetBalanceOfTaker).to.be.bignumber.equal( - expMakerAssetBalanceOfTaker, - 'MakerAssetBalanceOfTaker', - ); - - const actZRXAssetBalanceOfTaker = await this.assetWrapper.getBalanceAsync(this.takerAddress, this.zrxAssetData); - expect(actZRXAssetBalanceOfTaker).to.be.bignumber.equal(expZRXAssetBalanceOfTaker, 'ZRXAssetBalanceOfTaker'); - - const actZRXAssetAllowanceOfTaker = await this.assetWrapper.getProxyAllowanceAsync( - this.takerAddress, - this.zrxAssetData, - ); - expect(actZRXAssetAllowanceOfTaker).to.be.bignumber.equal( - expZRXAssetAllowanceOfTaker, - 'ZRXAssetAllowanceOfTaker', - ); - - const actZRXAssetBalanceOfFeeRecipient = await this.assetWrapper.getBalanceAsync( - feeRecipient, - this.zrxAssetData, - ); - expect(actZRXAssetBalanceOfFeeRecipient).to.be.bignumber.equal( - expZRXAssetBalanceOfFeeRecipient, - 'ZRXAssetBalanceOfFeeRecipient', - ); - } - private async _getTakerAssetFillAmountAsync( - signedOrder: SignedOrder, - takerAssetFillAmountScenario: TakerAssetFillAmountScenario, - balanceAndProxyAllowanceFetcher: SimpleAssetBalanceAndProxyAllowanceFetcher, - orderFilledCancelledFetcher: SimpleOrderFilledCancelledFetcher, - ): Promise<BigNumber> { - const orderStateUtils = new OrderStateUtils(balanceAndProxyAllowanceFetcher, orderFilledCancelledFetcher); - const fillableTakerAssetAmount = await orderStateUtils.getMaxFillableTakerAssetAmountAsync( - signedOrder, - this.takerAddress, - ); - - let takerAssetFillAmount; - switch (takerAssetFillAmountScenario) { - case TakerAssetFillAmountScenario.Zero: - takerAssetFillAmount = new BigNumber(0); - break; - - case TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount: - takerAssetFillAmount = fillableTakerAssetAmount; - break; - - case TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount: - takerAssetFillAmount = fillableTakerAssetAmount.add(1); - break; - - case TakerAssetFillAmountScenario.LessThanRemainingFillableTakerAssetAmount: - const takerAssetProxyId = assetProxyUtils.decodeAssetDataId(signedOrder.takerAssetData); - const makerAssetProxyId = assetProxyUtils.decodeAssetDataId(signedOrder.makerAssetData); - const isEitherAssetERC721 = - takerAssetProxyId === AssetProxyId.ERC721 || makerAssetProxyId === AssetProxyId.ERC721; - if (isEitherAssetERC721) { - throw new Error( - 'Cannot test `TakerAssetFillAmountScenario.LessThanRemainingFillableTakerAssetAmount` together with ERC721 assets since orders involving ERC721 must always be filled exactly.', - ); - } - takerAssetFillAmount = fillableTakerAssetAmount.div(2).floor(); - break; - - default: - throw errorUtils.spawnSwitchErr('TakerAssetFillAmountScenario', takerAssetFillAmountScenario); - } - - return takerAssetFillAmount; - } - private async _modifyTraderStateAsync( - makerStateScenario: TraderStateScenario, - takerStateScenario: TraderStateScenario, - signedOrder: SignedOrder, - takerAssetFillAmount: BigNumber, - ): Promise<void> { - const makerAssetFillAmount = orderUtils.getPartialAmount( - takerAssetFillAmount, - signedOrder.takerAssetAmount, - signedOrder.makerAssetAmount, - ); - switch (makerStateScenario.traderAssetBalance) { - case BalanceAmountScenario.Higher: - break; // Noop since this is already the default - - case BalanceAmountScenario.TooLow: - if (makerAssetFillAmount.eq(0)) { - throw new Error(`Cannot set makerAssetBalanceOfMaker TooLow if makerAssetFillAmount is 0`); - } - const tooLowBalance = makerAssetFillAmount.minus(1); - await this.assetWrapper.setBalanceAsync( - signedOrder.makerAddress, - signedOrder.makerAssetData, - tooLowBalance, - ); - break; - - case BalanceAmountScenario.Exact: - const exactBalance = makerAssetFillAmount; - await this.assetWrapper.setBalanceAsync( - signedOrder.makerAddress, - signedOrder.makerAssetData, - exactBalance, - ); - break; - - default: - throw errorUtils.spawnSwitchErr( - 'makerStateScenario.traderAssetBalance', - makerStateScenario.traderAssetBalance, - ); - } - - const makerFee = orderUtils.getPartialAmount( - takerAssetFillAmount, - signedOrder.takerAssetAmount, - signedOrder.makerFee, - ); - switch (makerStateScenario.zrxFeeBalance) { - case BalanceAmountScenario.Higher: - break; // Noop since this is already the default - - case BalanceAmountScenario.TooLow: - if (makerFee.eq(0)) { - throw new Error(`Cannot set zrxAsserBalanceOfMaker TooLow if makerFee is 0`); - } - const tooLowBalance = makerFee.minus(1); - await this.assetWrapper.setBalanceAsync(signedOrder.makerAddress, this.zrxAssetData, tooLowBalance); - break; - - case BalanceAmountScenario.Exact: - const exactBalance = makerFee; - await this.assetWrapper.setBalanceAsync(signedOrder.makerAddress, this.zrxAssetData, exactBalance); - break; - - default: - throw errorUtils.spawnSwitchErr('makerStateScenario.zrxFeeBalance', makerStateScenario.zrxFeeBalance); - } - - switch (makerStateScenario.traderAssetAllowance) { - case AllowanceAmountScenario.Higher: - break; // Noop since this is already the default - - case AllowanceAmountScenario.TooLow: - const tooLowAllowance = makerAssetFillAmount.minus(1); - await this.assetWrapper.setProxyAllowanceAsync( - signedOrder.makerAddress, - signedOrder.makerAssetData, - tooLowAllowance, - ); - break; - - case AllowanceAmountScenario.Exact: - const exactAllowance = makerAssetFillAmount; - await this.assetWrapper.setProxyAllowanceAsync( - signedOrder.makerAddress, - signedOrder.makerAssetData, - exactAllowance, - ); - break; - - case AllowanceAmountScenario.Unlimited: - await this.assetWrapper.setProxyAllowanceAsync( - signedOrder.makerAddress, - signedOrder.makerAssetData, - constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS, - ); - break; - - default: - throw errorUtils.spawnSwitchErr( - 'makerStateScenario.traderAssetAllowance', - makerStateScenario.traderAssetAllowance, - ); - } - - switch (makerStateScenario.zrxFeeAllowance) { - case AllowanceAmountScenario.Higher: - break; // Noop since this is already the default - - case AllowanceAmountScenario.TooLow: - const tooLowAllowance = makerFee.minus(1); - await this.assetWrapper.setProxyAllowanceAsync( - signedOrder.makerAddress, - this.zrxAssetData, - tooLowAllowance, - ); - break; - - case AllowanceAmountScenario.Exact: - const exactAllowance = makerFee; - await this.assetWrapper.setProxyAllowanceAsync( - signedOrder.makerAddress, - this.zrxAssetData, - exactAllowance, - ); - break; - - case AllowanceAmountScenario.Unlimited: - await this.assetWrapper.setProxyAllowanceAsync( - signedOrder.makerAddress, - this.zrxAssetData, - constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS, - ); - break; - - default: - throw errorUtils.spawnSwitchErr( - 'makerStateScenario.zrxFeeAllowance', - makerStateScenario.zrxFeeAllowance, - ); - } - - switch (takerStateScenario.traderAssetBalance) { - case BalanceAmountScenario.Higher: - break; // Noop since this is already the default - - case BalanceAmountScenario.TooLow: - if (takerAssetFillAmount.eq(0)) { - throw new Error(`Cannot set takerAssetBalanceOfTaker TooLow if takerAssetFillAmount is 0`); - } - const tooLowBalance = takerAssetFillAmount.minus(1); - await this.assetWrapper.setBalanceAsync(this.takerAddress, signedOrder.takerAssetData, tooLowBalance); - break; - - case BalanceAmountScenario.Exact: - const exactBalance = takerAssetFillAmount; - await this.assetWrapper.setBalanceAsync(this.takerAddress, signedOrder.takerAssetData, exactBalance); - break; - - default: - throw errorUtils.spawnSwitchErr( - 'takerStateScenario.traderAssetBalance', - takerStateScenario.traderAssetBalance, - ); - } - - const takerFee = orderUtils.getPartialAmount( - takerAssetFillAmount, - signedOrder.takerAssetAmount, - signedOrder.takerFee, - ); - switch (takerStateScenario.zrxFeeBalance) { - case BalanceAmountScenario.Higher: - break; // Noop since this is already the default - - case BalanceAmountScenario.TooLow: - if (takerFee.eq(0)) { - throw new Error(`Cannot set zrxAssetBalanceOfTaker TooLow if takerFee is 0`); - } - const tooLowBalance = takerFee.minus(1); - await this.assetWrapper.setBalanceAsync(this.takerAddress, this.zrxAssetData, tooLowBalance); - break; - - case BalanceAmountScenario.Exact: - const exactBalance = takerFee; - await this.assetWrapper.setBalanceAsync(this.takerAddress, this.zrxAssetData, exactBalance); - break; - - default: - throw errorUtils.spawnSwitchErr('takerStateScenario.zrxFeeBalance', takerStateScenario.zrxFeeBalance); - } - - switch (takerStateScenario.traderAssetAllowance) { - case AllowanceAmountScenario.Higher: - break; // Noop since this is already the default - - case AllowanceAmountScenario.TooLow: - const tooLowAllowance = takerAssetFillAmount.minus(1); - await this.assetWrapper.setProxyAllowanceAsync( - this.takerAddress, - signedOrder.takerAssetData, - tooLowAllowance, - ); - break; - - case AllowanceAmountScenario.Exact: - const exactAllowance = takerAssetFillAmount; - await this.assetWrapper.setProxyAllowanceAsync( - this.takerAddress, - signedOrder.takerAssetData, - exactAllowance, - ); - break; - - case AllowanceAmountScenario.Unlimited: - await this.assetWrapper.setProxyAllowanceAsync( - this.takerAddress, - signedOrder.takerAssetData, - constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS, - ); - break; - - default: - throw errorUtils.spawnSwitchErr( - 'takerStateScenario.traderAssetAllowance', - takerStateScenario.traderAssetAllowance, - ); - } - - switch (takerStateScenario.zrxFeeAllowance) { - case AllowanceAmountScenario.Higher: - break; // Noop since this is already the default - - case AllowanceAmountScenario.TooLow: - const tooLowAllowance = takerFee.minus(1); - await this.assetWrapper.setProxyAllowanceAsync( - signedOrder.takerAddress, - this.zrxAssetData, - tooLowAllowance, - ); - break; - - case AllowanceAmountScenario.Exact: - const exactAllowance = takerFee; - await this.assetWrapper.setProxyAllowanceAsync( - signedOrder.takerAddress, - this.zrxAssetData, - exactAllowance, - ); - break; - - case AllowanceAmountScenario.Unlimited: - await this.assetWrapper.setProxyAllowanceAsync( - signedOrder.takerAddress, - this.zrxAssetData, - constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS, - ); - break; - - default: - throw errorUtils.spawnSwitchErr( - 'takerStateScenario.zrxFeeAllowance', - takerStateScenario.zrxFeeAllowance, - ); - } - } -} // tslint:disable:max-file-line-count |