Switch over to Lerna + Yarn Workspaces setup for a mono-repo approach

1 files changed, 0 insertions, 166 deletions

diff --git a/src/utils/order_validation_utils.ts b/src/utils/order_validation_utils.ts
deleted file mode 100644
index f03703c4e..000000000
--- a/src/utils/order_validation_utils.ts
+++ /dev/null
@@ -1,166 +0,0 @@
-import * as _ from 'lodash';
-import BigNumber from 'bignumber.js';
-import {ExchangeContractErrs, SignedOrder, Order, ZeroExError, TradeSide, TransferType} from '../types';
-import {ZeroEx} from '../0x';
-import {TokenWrapper} from '../contract_wrappers/token_wrapper';
-import {ExchangeWrapper} from '../contract_wrappers/exchange_wrapper';
-import {utils} from '../utils/utils';
-import {constants} from '../utils/constants';
-import {ExchangeTransferSimulator} from './exchange_transfer_simulator';
-
-export class OrderValidationUtils {
-    private tokenWrapper: TokenWrapper;
-    private exchangeWrapper: ExchangeWrapper;
-    constructor(tokenWrapper: TokenWrapper, exchangeWrapper: ExchangeWrapper) {
-        this.tokenWrapper = tokenWrapper;
-        this.exchangeWrapper = exchangeWrapper;
-    }
-    public async validateOrderFillableOrThrowAsync(
-        exchangeTradeEmulator: ExchangeTransferSimulator, signedOrder: SignedOrder, zrxTokenAddress: string,
-        expectedFillTakerTokenAmount?: BigNumber): Promise<void> {
-        const orderHash = utils.getOrderHashHex(signedOrder);
-        const unavailableTakerTokenAmount = await this.exchangeWrapper.getUnavailableTakerAmountAsync(orderHash);
-        this.validateRemainingFillAmountNotZeroOrThrow(
-            signedOrder.takerTokenAmount, unavailableTakerTokenAmount,
-        );
-        this.validateOrderNotExpiredOrThrow(signedOrder.expirationUnixTimestampSec);
-        let fillTakerTokenAmount = signedOrder.takerTokenAmount.minus(unavailableTakerTokenAmount);
-        if (!_.isUndefined(expectedFillTakerTokenAmount)) {
-            fillTakerTokenAmount = expectedFillTakerTokenAmount;
-        }
-        const fillMakerTokenAmount = this.getPartialAmount(
-            fillTakerTokenAmount,
-            signedOrder.takerTokenAmount,
-            signedOrder.makerTokenAmount,
-        );
-        await exchangeTradeEmulator.transferFromAsync(
-            signedOrder.makerTokenAddress, signedOrder.maker, signedOrder.taker, fillMakerTokenAmount,
-            TradeSide.Maker, TransferType.Trade,
-        );
-        const makerFeeAmount = this.getPartialAmount(
-            fillTakerTokenAmount,
-            signedOrder.takerTokenAmount,
-            signedOrder.makerFee,
-        );
-        await exchangeTradeEmulator.transferFromAsync(
-            zrxTokenAddress, signedOrder.maker, signedOrder.feeRecipient, makerFeeAmount,
-            TradeSide.Maker, TransferType.Fee,
-        );
-    }
-    public async validateFillOrderThrowIfInvalidAsync(
-        exchangeTradeEmulator: ExchangeTransferSimulator, signedOrder: SignedOrder,
-        fillTakerTokenAmount: BigNumber, takerAddress: string,
-        zrxTokenAddress: string): Promise<BigNumber> {
-        if (fillTakerTokenAmount.eq(0)) {
-            throw new Error(ExchangeContractErrs.OrderFillAmountZero);
-        }
-        const orderHash = utils.getOrderHashHex(signedOrder);
-        if (!ZeroEx.isValidSignature(orderHash, signedOrder.ecSignature, signedOrder.maker)) {
-            throw new Error(ZeroExError.InvalidSignature);
-        }
-        const unavailableTakerTokenAmount = await this.exchangeWrapper.getUnavailableTakerAmountAsync(orderHash);
-        this.validateRemainingFillAmountNotZeroOrThrow(
-            signedOrder.takerTokenAmount, unavailableTakerTokenAmount,
-        );
-        if (signedOrder.taker !== constants.NULL_ADDRESS && signedOrder.taker !== takerAddress) {
-            throw new Error(ExchangeContractErrs.TransactionSenderIsNotFillOrderTaker);
-        }
-        this.validateOrderNotExpiredOrThrow(signedOrder.expirationUnixTimestampSec);
-        const remainingTakerTokenAmount = signedOrder.takerTokenAmount.minus(unavailableTakerTokenAmount);
-        const filledTakerTokenAmount = remainingTakerTokenAmount.lessThan(fillTakerTokenAmount) ?
-                                       remainingTakerTokenAmount :
-                                       fillTakerTokenAmount;
-        await this.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
-            exchangeTradeEmulator, signedOrder, filledTakerTokenAmount, takerAddress, zrxTokenAddress,
-        );
-
-        const wouldRoundingErrorOccur = await this.exchangeWrapper.isRoundingErrorAsync(
-            filledTakerTokenAmount, signedOrder.takerTokenAmount, signedOrder.makerTokenAmount,
-        );
-        if (wouldRoundingErrorOccur) {
-            throw new Error(ExchangeContractErrs.OrderFillRoundingError);
-        }
-        return filledTakerTokenAmount;
-    }
-    public async validateFillOrKillOrderThrowIfInvalidAsync(
-        exchangeTradeEmulator: ExchangeTransferSimulator, signedOrder: SignedOrder,
-        fillTakerTokenAmount: BigNumber, takerAddress: string, zrxTokenAddress: string): Promise<void> {
-        const filledTakerTokenAmount = await this.validateFillOrderThrowIfInvalidAsync(
-            exchangeTradeEmulator, signedOrder, fillTakerTokenAmount, takerAddress, zrxTokenAddress,
-        );
-        if (filledTakerTokenAmount !== fillTakerTokenAmount) {
-            throw new Error(ExchangeContractErrs.InsufficientRemainingFillAmount);
-        }
-    }
-    public async validateCancelOrderThrowIfInvalidAsync(order: Order,
-                                                        cancelTakerTokenAmount: BigNumber,
-                                                        unavailableTakerTokenAmount: BigNumber,
-    ): Promise<void> {
-        if (cancelTakerTokenAmount.eq(0)) {
-            throw new Error(ExchangeContractErrs.OrderCancelAmountZero);
-        }
-        if (order.takerTokenAmount.eq(unavailableTakerTokenAmount)) {
-            throw new Error(ExchangeContractErrs.OrderAlreadyCancelledOrFilled);
-        }
-        const currentUnixTimestampSec = utils.getCurrentUnixTimestamp();
-        if (order.expirationUnixTimestampSec.lessThan(currentUnixTimestampSec)) {
-            throw new Error(ExchangeContractErrs.OrderCancelExpired);
-        }
-    }
-    public async validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
-        exchangeTradeEmulator: ExchangeTransferSimulator, signedOrder: SignedOrder,
-        fillTakerTokenAmount: BigNumber, senderAddress: string, zrxTokenAddress: string): Promise<void> {
-        const fillMakerTokenAmount = this.getPartialAmount(
-            fillTakerTokenAmount,
-            signedOrder.takerTokenAmount,
-            signedOrder.makerTokenAmount,
-        );
-        await exchangeTradeEmulator.transferFromAsync(
-            signedOrder.makerTokenAddress, signedOrder.maker, senderAddress, fillMakerTokenAmount,
-            TradeSide.Maker, TransferType.Trade,
-        );
-        await exchangeTradeEmulator.transferFromAsync(
-            signedOrder.takerTokenAddress, senderAddress, signedOrder.maker, fillTakerTokenAmount,
-            TradeSide.Taker, TransferType.Trade,
-        );
-        const makerFeeAmount = this.getPartialAmount(
-            fillTakerTokenAmount,
-            signedOrder.takerTokenAmount,
-            signedOrder.makerFee,
-        );
-        await exchangeTradeEmulator.transferFromAsync(
-            zrxTokenAddress, signedOrder.maker, signedOrder.feeRecipient, makerFeeAmount, TradeSide.Maker,
-            TransferType.Fee,
-        );
-        const takerFeeAmount = this.getPartialAmount(
-            fillTakerTokenAmount,
-            signedOrder.takerTokenAmount,
-            signedOrder.takerFee,
-        );
-        await exchangeTradeEmulator.transferFromAsync(
-            zrxTokenAddress, senderAddress, signedOrder.feeRecipient, takerFeeAmount, TradeSide.Taker,
-            TransferType.Fee,
-        );
-    }
-    private validateRemainingFillAmountNotZeroOrThrow(
-        takerTokenAmount: BigNumber, unavailableTakerTokenAmount: BigNumber,
-    ) {
-        if (takerTokenAmount.eq(unavailableTakerTokenAmount)) {
-            throw new Error(ExchangeContractErrs.OrderRemainingFillAmountZero);
-        }
-    }
-    private validateOrderNotExpiredOrThrow(expirationUnixTimestampSec: BigNumber) {
-        const currentUnixTimestampSec = utils.getCurrentUnixTimestamp();
-        if (expirationUnixTimestampSec.lessThan(currentUnixTimestampSec)) {
-            throw new Error(ExchangeContractErrs.OrderFillExpired);
-        }
-    }
-    private getPartialAmount(numerator: BigNumber, denominator: BigNumber,
-                             target: BigNumber): BigNumber {
-        const fillMakerTokenAmount = numerator
-                                     .mul(target)
-                                     .div(denominator)
-                                     .round(0);
-        return fillMakerTokenAmount;
-    }
-}