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-rw-r--r--packages/0x.js/src/utils/abi_decoder.ts15
-rw-r--r--packages/0x.js/src/utils/assert.ts20
-rw-r--r--packages/0x.js/src/utils/decorators.ts22
-rw-r--r--packages/0x.js/src/utils/exchange_transfer_simulator.ts45
-rw-r--r--packages/0x.js/src/utils/filter_utils.ts22
-rw-r--r--packages/0x.js/src/utils/order_state_utils.ts56
-rw-r--r--packages/0x.js/src/utils/order_validation_utils.ts131
-rw-r--r--packages/0x.js/src/utils/signature_utils.ts7
-rw-r--r--packages/0x.js/src/utils/utils.ts43
9 files changed, 236 insertions, 125 deletions
diff --git a/packages/0x.js/src/utils/abi_decoder.ts b/packages/0x.js/src/utils/abi_decoder.ts
index 6d15f1d6f..2d4e92558 100644
--- a/packages/0x.js/src/utils/abi_decoder.ts
+++ b/packages/0x.js/src/utils/abi_decoder.ts
@@ -3,11 +3,11 @@ import * as _ from 'lodash';
import * as Web3 from 'web3';
import * as SolidityCoder from 'web3/lib/solidity/coder';
-import {AbiType, ContractEventArgs, DecodedLogArgs, LogWithDecodedArgs, RawLog, SolidityTypes} from '../types';
+import { AbiType, ContractEventArgs, DecodedLogArgs, LogWithDecodedArgs, RawLog, SolidityTypes } from '../types';
export class AbiDecoder {
private _savedABIs: Web3.AbiDefinition[] = [];
- private _methodIds: {[signatureHash: string]: Web3.EventAbi} = {};
+ private _methodIds: { [signatureHash: string]: Web3.EventAbi } = {};
private static _padZeros(address: string) {
let formatted = address;
if (_.startsWith(formatted, '0x')) {
@@ -22,7 +22,8 @@ export class AbiDecoder {
}
// This method can only decode logs from the 0x & ERC20 smart contracts
public tryToDecodeLogOrNoop<ArgsType extends ContractEventArgs>(
- log: Web3.LogEntry): LogWithDecodedArgs<ArgsType>|RawLog {
+ log: Web3.LogEntry,
+ ): LogWithDecodedArgs<ArgsType> | RawLog {
const methodId = log.topics[0];
const event = this._methodIds[methodId];
if (_.isUndefined(event)) {
@@ -42,9 +43,11 @@ export class AbiDecoder {
let value = param.indexed ? log.topics[topicsIndex++] : decodedData[dataIndex++];
if (param.type === SolidityTypes.Address) {
value = AbiDecoder._padZeros(new BigNumber(value).toString(16));
- } else if (param.type === SolidityTypes.Uint256 ||
- param.type === SolidityTypes.Uint8 ||
- param.type === SolidityTypes.Uint) {
+ } else if (
+ param.type === SolidityTypes.Uint256 ||
+ param.type === SolidityTypes.Uint8 ||
+ param.type === SolidityTypes.Uint
+ ) {
value = new BigNumber(value);
}
decodedParams[param.name] = value;
diff --git a/packages/0x.js/src/utils/assert.ts b/packages/0x.js/src/utils/assert.ts
index 86a6a7c01..b391a3347 100644
--- a/packages/0x.js/src/utils/assert.ts
+++ b/packages/0x.js/src/utils/assert.ts
@@ -1,14 +1,14 @@
-import {assert as sharedAssert} from '@0xproject/assert';
+import { assert as sharedAssert } from '@0xproject/assert';
// We need those two unused imports because they're actually used by sharedAssert which gets injected here
// tslint:disable-next-line:no-unused-variable
-import {Schema} from '@0xproject/json-schemas';
-import {Web3Wrapper} from '@0xproject/web3-wrapper';
+import { Schema } from '@0xproject/json-schemas';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
// tslint:disable-next-line:no-unused-variable
import * as BigNumber from 'bignumber.js';
import * as _ from 'lodash';
-import {ECSignature} from '../types';
-import {signatureUtils} from '../utils/signature_utils';
+import { ECSignature } from '../types';
+import { signatureUtils } from '../utils/signature_utils';
export const assert = {
...sharedAssert,
@@ -16,11 +16,15 @@ export const assert = {
const isValidSignature = signatureUtils.isValidSignature(orderHash, ecSignature, signerAddress);
this.assert(isValidSignature, `Expected order with hash '${orderHash}' to have a valid signature`);
},
- async isSenderAddressAsync(variableName: string, senderAddressHex: string,
- web3Wrapper: Web3Wrapper): Promise<void> {
+ async isSenderAddressAsync(
+ variableName: string,
+ senderAddressHex: string,
+ web3Wrapper: Web3Wrapper,
+ ): Promise<void> {
sharedAssert.isETHAddressHex(variableName, senderAddressHex);
const isSenderAddressAvailable = await web3Wrapper.isSenderAddressAvailableAsync(senderAddressHex);
- sharedAssert.assert(isSenderAddressAvailable,
+ sharedAssert.assert(
+ isSenderAddressAvailable,
`Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`,
);
},
diff --git a/packages/0x.js/src/utils/decorators.ts b/packages/0x.js/src/utils/decorators.ts
index 2a823b9ac..f774d734e 100644
--- a/packages/0x.js/src/utils/decorators.ts
+++ b/packages/0x.js/src/utils/decorators.ts
@@ -1,8 +1,8 @@
import * as _ from 'lodash';
-import {AsyncMethod, SyncMethod, ZeroExError} from '../types';
+import { AsyncMethod, SyncMethod, ZeroExError } from '../types';
-import {constants} from './constants';
+import { constants } from './constants';
type ErrorTransformer = (err: Error) => Error;
@@ -18,8 +18,8 @@ const contractCallErrorTransformer = (error: Error) => {
const schemaErrorTransformer = (error: Error) => {
if (_.includes(error.message, constants.INVALID_TAKER_FORMAT)) {
- // tslint:disable-next-line:max-line-length
- const errMsg = 'Order taker must be of type string. If you want anyone to be able to fill an order - pass ZeroEx.NULL_ADDRESS';
+ const errMsg =
+ 'Order taker must be of type string. If you want anyone to be able to fill an order - pass ZeroEx.NULL_ADDRESS';
return new Error(errMsg);
}
return error;
@@ -30,14 +30,16 @@ const schemaErrorTransformer = (error: Error) => {
*/
const asyncErrorHandlerFactory = (errorTransformer: ErrorTransformer) => {
const asyncErrorHandlingDecorator = (
- target: object, key: string|symbol, descriptor: TypedPropertyDescriptor<AsyncMethod>,
+ target: object,
+ key: string | symbol,
+ descriptor: TypedPropertyDescriptor<AsyncMethod>,
) => {
- const originalMethod = (descriptor.value as AsyncMethod);
+ const originalMethod = descriptor.value as AsyncMethod;
// Do not use arrow syntax here. Use a function expression in
// order to use the correct value of `this` in this method
// tslint:disable-next-line:only-arrow-functions
- descriptor.value = async function(...args: any[]) {
+ descriptor.value = async function(...args: any[]) {
try {
const result = await originalMethod.apply(this, args);
return result;
@@ -55,9 +57,11 @@ const asyncErrorHandlerFactory = (errorTransformer: ErrorTransformer) => {
const syncErrorHandlerFactory = (errorTransformer: ErrorTransformer) => {
const syncErrorHandlingDecorator = (
- target: object, key: string|symbol, descriptor: TypedPropertyDescriptor<SyncMethod>,
+ target: object,
+ key: string | symbol,
+ descriptor: TypedPropertyDescriptor<SyncMethod>,
) => {
- const originalMethod = (descriptor.value as SyncMethod);
+ const originalMethod = descriptor.value as SyncMethod;
// Do not use arrow syntax here. Use a function expression in
// order to use the correct value of `this` in this method
diff --git a/packages/0x.js/src/utils/exchange_transfer_simulator.ts b/packages/0x.js/src/utils/exchange_transfer_simulator.ts
index 8143112aa..575a2d3d2 100644
--- a/packages/0x.js/src/utils/exchange_transfer_simulator.ts
+++ b/packages/0x.js/src/utils/exchange_transfer_simulator.ts
@@ -1,9 +1,9 @@
import BigNumber from 'bignumber.js';
import * as _ from 'lodash';
-import {TokenWrapper} from '../contract_wrappers/token_wrapper';
-import {BalanceAndProxyAllowanceLazyStore} from '../stores/balance_proxy_allowance_lazy_store';
-import {BlockParamLiteral, ExchangeContractErrs, TradeSide, TransferType} from '../types';
+import { TokenWrapper } from '../contract_wrappers/token_wrapper';
+import { BalanceAndProxyAllowanceLazyStore } from '../stores/balance_proxy_allowance_lazy_store';
+import { BlockParamLiteral, ExchangeContractErrs, TradeSide, TransferType } from '../types';
enum FailureReason {
Balance = 'balance',
@@ -36,8 +36,11 @@ const ERR_MSG_MAPPING = {
export class ExchangeTransferSimulator {
private _store: BalanceAndProxyAllowanceLazyStore;
private _UNLIMITED_ALLOWANCE_IN_BASE_UNITS: BigNumber;
- private static _throwValidationError(failureReason: FailureReason, tradeSide: TradeSide,
- transferType: TransferType): never {
+ private static _throwValidationError(
+ failureReason: FailureReason,
+ tradeSide: TradeSide,
+ transferType: TransferType,
+ ): never {
const errMsg = ERR_MSG_MAPPING[failureReason][tradeSide][transferType];
throw new Error(errMsg);
}
@@ -54,9 +57,14 @@ export class ExchangeTransferSimulator {
* @param tradeSide Is Maker/Taker transferring
* @param transferType Is it a fee payment or a value transfer
*/
- public async transferFromAsync(tokenAddress: string, from: string, to: string,
- amountInBaseUnits: BigNumber, tradeSide: TradeSide,
- transferType: TransferType): Promise<void> {
+ public async transferFromAsync(
+ tokenAddress: string,
+ from: string,
+ to: string,
+ amountInBaseUnits: BigNumber,
+ tradeSide: TradeSide,
+ transferType: TransferType,
+ ): Promise<void> {
const balance = await this._store.getBalanceAsync(tokenAddress, from);
const proxyAllowance = await this._store.getProxyAllowanceAsync(tokenAddress, from);
if (proxyAllowance.lessThan(amountInBaseUnits)) {
@@ -69,20 +77,29 @@ export class ExchangeTransferSimulator {
await this._decreaseBalanceAsync(tokenAddress, from, amountInBaseUnits);
await this._increaseBalanceAsync(tokenAddress, to, amountInBaseUnits);
}
- private async _decreaseProxyAllowanceAsync(tokenAddress: string, userAddress: string,
- amountInBaseUnits: BigNumber): Promise<void> {
+ private async _decreaseProxyAllowanceAsync(
+ tokenAddress: string,
+ userAddress: string,
+ amountInBaseUnits: BigNumber,
+ ): Promise<void> {
const proxyAllowance = await this._store.getProxyAllowanceAsync(tokenAddress, userAddress);
if (!proxyAllowance.eq(this._UNLIMITED_ALLOWANCE_IN_BASE_UNITS)) {
this._store.setProxyAllowance(tokenAddress, userAddress, proxyAllowance.minus(amountInBaseUnits));
}
}
- private async _increaseBalanceAsync(tokenAddress: string, userAddress: string,
- amountInBaseUnits: BigNumber): Promise<void> {
+ private async _increaseBalanceAsync(
+ tokenAddress: string,
+ userAddress: string,
+ amountInBaseUnits: BigNumber,
+ ): Promise<void> {
const balance = await this._store.getBalanceAsync(tokenAddress, userAddress);
this._store.setBalance(tokenAddress, userAddress, balance.plus(amountInBaseUnits));
}
- private async _decreaseBalanceAsync(tokenAddress: string, userAddress: string,
- amountInBaseUnits: BigNumber): Promise<void> {
+ private async _decreaseBalanceAsync(
+ tokenAddress: string,
+ userAddress: string,
+ amountInBaseUnits: BigNumber,
+ ): Promise<void> {
const balance = await this._store.getBalanceAsync(tokenAddress, userAddress);
this._store.setBalance(tokenAddress, userAddress, balance.minus(amountInBaseUnits));
}
diff --git a/packages/0x.js/src/utils/filter_utils.ts b/packages/0x.js/src/utils/filter_utils.ts
index 65161c33e..97205ace3 100644
--- a/packages/0x.js/src/utils/filter_utils.ts
+++ b/packages/0x.js/src/utils/filter_utils.ts
@@ -4,7 +4,7 @@ import * as _ from 'lodash';
import * as uuid from 'uuid/v4';
import * as Web3 from 'web3';
-import {BlockRange, ContractEvents, IndexedFilterValues} from '../types';
+import { BlockRange, ContractEvents, IndexedFilterValues } from '../types';
const TOPIC_LENGTH = 32;
@@ -12,10 +12,14 @@ export const filterUtils = {
generateUUID(): string {
return uuid();
},
- getFilter(address: string, eventName: ContractEvents,
- indexFilterValues: IndexedFilterValues, abi: Web3.ContractAbi,
- blockRange?: BlockRange): Web3.FilterObject {
- const eventAbi = _.find(abi, {name: eventName}) as Web3.EventAbi;
+ getFilter(
+ address: string,
+ eventName: ContractEvents,
+ indexFilterValues: IndexedFilterValues,
+ abi: Web3.ContractAbi,
+ blockRange?: BlockRange,
+ ): Web3.FilterObject {
+ const eventAbi = _.find(abi, { name: eventName }) as Web3.EventAbi;
const eventSignature = filterUtils.getEventSignatureFromAbiByName(eventAbi, eventName);
const topicForEventSignature = ethUtil.addHexPrefix(jsSHA3.keccak256(eventSignature));
const topicsForIndexedArgs = filterUtils.getTopicsForIndexedArgs(eventAbi, indexFilterValues);
@@ -37,8 +41,8 @@ export const filterUtils = {
const signature = `${eventAbi.name}(${types.join(',')})`;
return signature;
},
- getTopicsForIndexedArgs(abi: Web3.EventAbi, indexFilterValues: IndexedFilterValues): Array<string|null> {
- const topics: Array<string|null> = [];
+ getTopicsForIndexedArgs(abi: Web3.EventAbi, indexFilterValues: IndexedFilterValues): Array<string | null> {
+ const topics: Array<string | null> = [];
for (const eventInput of abi.inputs) {
if (!eventInput.indexed) {
continue;
@@ -65,12 +69,12 @@ export const filterUtils = {
}
return true;
},
- matchesTopics(logTopics: string[], filterTopics: Array<string[]|string|null>): boolean {
+ matchesTopics(logTopics: string[], filterTopics: Array<string[] | string | null>): boolean {
const matchesTopic = _.zipWith(logTopics, filterTopics, filterUtils.matchesTopic.bind(filterUtils));
const matchesTopics = _.every(matchesTopic);
return matchesTopics;
},
- matchesTopic(logTopic: string, filterTopic: string[]|string|null): boolean {
+ matchesTopic(logTopic: string, filterTopic: string[] | string | null): boolean {
if (_.isArray(filterTopic)) {
return _.includes(filterTopic, logTopic);
}
diff --git a/packages/0x.js/src/utils/order_state_utils.ts b/packages/0x.js/src/utils/order_state_utils.ts
index 981f9e96c..5674528d5 100644
--- a/packages/0x.js/src/utils/order_state_utils.ts
+++ b/packages/0x.js/src/utils/order_state_utils.ts
@@ -1,11 +1,11 @@
import BigNumber from 'bignumber.js';
import * as _ from 'lodash';
-import {ZeroEx} from '../0x';
-import {ExchangeWrapper} from '../contract_wrappers/exchange_wrapper';
-import {RemainingFillableCalculator} from '../order_watcher/remaining_fillable_calculator';
-import {BalanceAndProxyAllowanceLazyStore} from '../stores/balance_proxy_allowance_lazy_store';
-import {OrderFilledCancelledLazyStore} from '../stores/order_filled_cancelled_lazy_store';
+import { ZeroEx } from '../0x';
+import { ExchangeWrapper } from '../contract_wrappers/exchange_wrapper';
+import { RemainingFillableCalculator } from '../order_watcher/remaining_fillable_calculator';
+import { BalanceAndProxyAllowanceLazyStore } from '../stores/balance_proxy_allowance_lazy_store';
+import { OrderFilledCancelledLazyStore } from '../stores/order_filled_cancelled_lazy_store';
import {
ExchangeContractErrs,
OrderRelevantState,
@@ -44,15 +44,20 @@ export class OrderStateUtils {
}
}
const minFillableTakerTokenAmountWithinNoRoundingErrorRange = signedOrder.takerTokenAmount
- .dividedBy(ACCEPTABLE_RELATIVE_ROUNDING_ERROR)
- .dividedBy(signedOrder.makerTokenAmount);
- if (orderRelevantState.remainingFillableTakerTokenAmount
- .lessThan(minFillableTakerTokenAmountWithinNoRoundingErrorRange)) {
+ .dividedBy(ACCEPTABLE_RELATIVE_ROUNDING_ERROR)
+ .dividedBy(signedOrder.makerTokenAmount);
+ if (
+ orderRelevantState.remainingFillableTakerTokenAmount.lessThan(
+ minFillableTakerTokenAmountWithinNoRoundingErrorRange,
+ )
+ ) {
throw new Error(ExchangeContractErrs.OrderFillRoundingError);
}
}
- constructor(balanceAndProxyAllowanceLazyStore: BalanceAndProxyAllowanceLazyStore,
- orderFilledCancelledLazyStore: OrderFilledCancelledLazyStore) {
+ constructor(
+ balanceAndProxyAllowanceLazyStore: BalanceAndProxyAllowanceLazyStore,
+ orderFilledCancelledLazyStore: OrderFilledCancelledLazyStore,
+ ) {
this._balanceAndProxyAllowanceLazyStore = balanceAndProxyAllowanceLazyStore;
this._orderFilledCancelledLazyStore = orderFilledCancelledLazyStore;
}
@@ -85,16 +90,20 @@ export class OrderStateUtils {
const zrxTokenAddress = exchange.getZRXTokenAddress();
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
const makerBalance = await this._balanceAndProxyAllowanceLazyStore.getBalanceAsync(
- signedOrder.makerTokenAddress, signedOrder.maker,
+ signedOrder.makerTokenAddress,
+ signedOrder.maker,
);
const makerProxyAllowance = await this._balanceAndProxyAllowanceLazyStore.getProxyAllowanceAsync(
- signedOrder.makerTokenAddress, signedOrder.maker,
+ signedOrder.makerTokenAddress,
+ signedOrder.maker,
);
const makerFeeBalance = await this._balanceAndProxyAllowanceLazyStore.getBalanceAsync(
- zrxTokenAddress, signedOrder.maker,
+ zrxTokenAddress,
+ signedOrder.maker,
);
const makerFeeProxyAllowance = await this._balanceAndProxyAllowanceLazyStore.getProxyAllowanceAsync(
- zrxTokenAddress, signedOrder.maker,
+ zrxTokenAddress,
+ signedOrder.maker,
);
const filledTakerTokenAmount = await this._orderFilledCancelledLazyStore.getFilledTakerAmountAsync(orderHash);
const cancelledTakerTokenAmount = await this._orderFilledCancelledLazyStore.getCancelledTakerAmountAsync(
@@ -104,17 +113,20 @@ export class OrderStateUtils {
const totalMakerTokenAmount = signedOrder.makerTokenAmount;
const totalTakerTokenAmount = signedOrder.takerTokenAmount;
const remainingTakerTokenAmount = totalTakerTokenAmount.minus(unavailableTakerTokenAmount);
- const remainingMakerTokenAmount = remainingTakerTokenAmount.times(totalMakerTokenAmount)
- .dividedToIntegerBy(totalTakerTokenAmount);
+ const remainingMakerTokenAmount = remainingTakerTokenAmount
+ .times(totalMakerTokenAmount)
+ .dividedToIntegerBy(totalTakerTokenAmount);
const transferrableMakerTokenAmount = BigNumber.min([makerProxyAllowance, makerBalance]);
const transferrableFeeTokenAmount = BigNumber.min([makerFeeProxyAllowance, makerFeeBalance]);
const isMakerTokenZRX = signedOrder.makerTokenAddress === zrxTokenAddress;
- const remainingFillableCalculator = new RemainingFillableCalculator(signedOrder,
- isMakerTokenZRX,
- transferrableMakerTokenAmount,
- transferrableFeeTokenAmount,
- remainingMakerTokenAmount);
+ const remainingFillableCalculator = new RemainingFillableCalculator(
+ signedOrder,
+ isMakerTokenZRX,
+ transferrableMakerTokenAmount,
+ transferrableFeeTokenAmount,
+ remainingMakerTokenAmount,
+ );
const remainingFillableMakerTokenAmount = remainingFillableCalculator.computeRemainingMakerFillable();
const remainingFillableTakerTokenAmount = remainingFillableCalculator.computeRemainingTakerFillable();
const orderRelevantState = {
diff --git a/packages/0x.js/src/utils/order_validation_utils.ts b/packages/0x.js/src/utils/order_validation_utils.ts
index ad82d85b4..ebe4c49df 100644
--- a/packages/0x.js/src/utils/order_validation_utils.ts
+++ b/packages/0x.js/src/utils/order_validation_utils.ts
@@ -1,18 +1,20 @@
import BigNumber from 'bignumber.js';
import * as _ from 'lodash';
-import {ZeroEx} from '../0x';
-import {ExchangeWrapper} from '../contract_wrappers/exchange_wrapper';
-import {ExchangeContractErrs, Order, SignedOrder, TradeSide, TransferType, ZeroExError} from '../types';
-import {constants} from '../utils/constants';
-import {utils} from '../utils/utils';
+import { ZeroEx } from '../0x';
+import { ExchangeWrapper } from '../contract_wrappers/exchange_wrapper';
+import { ExchangeContractErrs, Order, SignedOrder, TradeSide, TransferType, ZeroExError } from '../types';
+import { constants } from '../utils/constants';
+import { utils } from '../utils/utils';
-import {ExchangeTransferSimulator} from './exchange_transfer_simulator';
+import { ExchangeTransferSimulator } from './exchange_transfer_simulator';
export class OrderValidationUtils {
private _exchangeWrapper: ExchangeWrapper;
public static validateCancelOrderThrowIfInvalid(
- order: Order, cancelTakerTokenAmount: BigNumber, unavailableTakerTokenAmount: BigNumber,
+ order: Order,
+ cancelTakerTokenAmount: BigNumber,
+ unavailableTakerTokenAmount: BigNumber,
): void {
if (cancelTakerTokenAmount.eq(0)) {
throw new Error(ExchangeContractErrs.OrderCancelAmountZero);
@@ -26,8 +28,11 @@ export class OrderValidationUtils {
}
}
public static async validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
- exchangeTradeEmulator: ExchangeTransferSimulator, signedOrder: SignedOrder,
- fillTakerTokenAmount: BigNumber, senderAddress: string, zrxTokenAddress: string,
+ exchangeTradeEmulator: ExchangeTransferSimulator,
+ signedOrder: SignedOrder,
+ fillTakerTokenAmount: BigNumber,
+ senderAddress: string,
+ zrxTokenAddress: string,
): Promise<void> {
const fillMakerTokenAmount = OrderValidationUtils._getPartialAmount(
fillTakerTokenAmount,
@@ -35,12 +40,20 @@ export class OrderValidationUtils {
signedOrder.makerTokenAmount,
);
await exchangeTradeEmulator.transferFromAsync(
- signedOrder.makerTokenAddress, signedOrder.maker, senderAddress, fillMakerTokenAmount,
- TradeSide.Maker, TransferType.Trade,
+ signedOrder.makerTokenAddress,
+ signedOrder.maker,
+ senderAddress,
+ fillMakerTokenAmount,
+ TradeSide.Maker,
+ TransferType.Trade,
);
await exchangeTradeEmulator.transferFromAsync(
- signedOrder.takerTokenAddress, senderAddress, signedOrder.maker, fillTakerTokenAmount,
- TradeSide.Taker, TransferType.Trade,
+ signedOrder.takerTokenAddress,
+ senderAddress,
+ signedOrder.maker,
+ fillTakerTokenAmount,
+ TradeSide.Taker,
+ TransferType.Trade,
);
const makerFeeAmount = OrderValidationUtils._getPartialAmount(
fillTakerTokenAmount,
@@ -48,7 +61,11 @@ export class OrderValidationUtils {
signedOrder.makerFee,
);
await exchangeTradeEmulator.transferFromAsync(
- zrxTokenAddress, signedOrder.maker, signedOrder.feeRecipient, makerFeeAmount, TradeSide.Maker,
+ zrxTokenAddress,
+ signedOrder.maker,
+ signedOrder.feeRecipient,
+ makerFeeAmount,
+ TradeSide.Maker,
TransferType.Fee,
);
const takerFeeAmount = OrderValidationUtils._getPartialAmount(
@@ -57,12 +74,17 @@ export class OrderValidationUtils {
signedOrder.takerFee,
);
await exchangeTradeEmulator.transferFromAsync(
- zrxTokenAddress, senderAddress, signedOrder.feeRecipient, takerFeeAmount, TradeSide.Taker,
+ zrxTokenAddress,
+ senderAddress,
+ signedOrder.feeRecipient,
+ takerFeeAmount,
+ TradeSide.Taker,
TransferType.Fee,
);
}
private static _validateRemainingFillAmountNotZeroOrThrow(
- takerTokenAmount: BigNumber, unavailableTakerTokenAmount: BigNumber,
+ takerTokenAmount: BigNumber,
+ unavailableTakerTokenAmount: BigNumber,
) {
if (takerTokenAmount.eq(unavailableTakerTokenAmount)) {
throw new Error(ExchangeContractErrs.OrderRemainingFillAmountZero);
@@ -74,24 +96,27 @@ export class OrderValidationUtils {
throw new Error(ExchangeContractErrs.OrderFillExpired);
}
}
- private static _getPartialAmount(numerator: BigNumber, denominator: BigNumber,
- target: BigNumber): BigNumber {
+ private static _getPartialAmount(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
const fillMakerTokenAmount = numerator
- .mul(target)
- .div(denominator)
- .round(0);
+ .mul(target)
+ .div(denominator)
+ .round(0);
return fillMakerTokenAmount;
}
constructor(exchangeWrapper: ExchangeWrapper) {
this._exchangeWrapper = exchangeWrapper;
}
public async validateOrderFillableOrThrowAsync(
- exchangeTradeEmulator: ExchangeTransferSimulator, signedOrder: SignedOrder, zrxTokenAddress: string,
- expectedFillTakerTokenAmount?: BigNumber): Promise<void> {
+ exchangeTradeEmulator: ExchangeTransferSimulator,
+ signedOrder: SignedOrder,
+ zrxTokenAddress: string,
+ expectedFillTakerTokenAmount?: BigNumber,
+ ): Promise<void> {
const orderHash = utils.getOrderHashHex(signedOrder);
const unavailableTakerTokenAmount = await this._exchangeWrapper.getUnavailableTakerAmountAsync(orderHash);
OrderValidationUtils._validateRemainingFillAmountNotZeroOrThrow(
- signedOrder.takerTokenAmount, unavailableTakerTokenAmount,
+ signedOrder.takerTokenAmount,
+ unavailableTakerTokenAmount,
);
OrderValidationUtils._validateOrderNotExpiredOrThrow(signedOrder.expirationUnixTimestampSec);
let fillTakerTokenAmount = signedOrder.takerTokenAmount.minus(unavailableTakerTokenAmount);
@@ -104,8 +129,12 @@ export class OrderValidationUtils {
signedOrder.makerTokenAmount,
);
await exchangeTradeEmulator.transferFromAsync(
- signedOrder.makerTokenAddress, signedOrder.maker, signedOrder.taker, fillMakerTokenAmount,
- TradeSide.Maker, TransferType.Trade,
+ signedOrder.makerTokenAddress,
+ signedOrder.maker,
+ signedOrder.taker,
+ fillMakerTokenAmount,
+ TradeSide.Maker,
+ TransferType.Trade,
);
const makerFeeAmount = OrderValidationUtils._getPartialAmount(
fillTakerTokenAmount,
@@ -113,14 +142,21 @@ export class OrderValidationUtils {
signedOrder.makerFee,
);
await exchangeTradeEmulator.transferFromAsync(
- zrxTokenAddress, signedOrder.maker, signedOrder.feeRecipient, makerFeeAmount,
- TradeSide.Maker, TransferType.Fee,
+ 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> {
+ exchangeTradeEmulator: ExchangeTransferSimulator,
+ signedOrder: SignedOrder,
+ fillTakerTokenAmount: BigNumber,
+ takerAddress: string,
+ zrxTokenAddress: string,
+ ): Promise<BigNumber> {
if (fillTakerTokenAmount.eq(0)) {
throw new Error(ExchangeContractErrs.OrderFillAmountZero);
}
@@ -130,22 +166,29 @@ export class OrderValidationUtils {
}
const unavailableTakerTokenAmount = await this._exchangeWrapper.getUnavailableTakerAmountAsync(orderHash);
OrderValidationUtils._validateRemainingFillAmountNotZeroOrThrow(
- signedOrder.takerTokenAmount, unavailableTakerTokenAmount,
+ signedOrder.takerTokenAmount,
+ unavailableTakerTokenAmount,
);
if (signedOrder.taker !== constants.NULL_ADDRESS && signedOrder.taker !== takerAddress) {
throw new Error(ExchangeContractErrs.TransactionSenderIsNotFillOrderTaker);
}
OrderValidationUtils._validateOrderNotExpiredOrThrow(signedOrder.expirationUnixTimestampSec);
const remainingTakerTokenAmount = signedOrder.takerTokenAmount.minus(unavailableTakerTokenAmount);
- const filledTakerTokenAmount = remainingTakerTokenAmount.lessThan(fillTakerTokenAmount) ?
- remainingTakerTokenAmount :
- fillTakerTokenAmount;
+ const filledTakerTokenAmount = remainingTakerTokenAmount.lessThan(fillTakerTokenAmount)
+ ? remainingTakerTokenAmount
+ : fillTakerTokenAmount;
await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
- exchangeTradeEmulator, signedOrder, filledTakerTokenAmount, takerAddress, zrxTokenAddress,
+ exchangeTradeEmulator,
+ signedOrder,
+ filledTakerTokenAmount,
+ takerAddress,
+ zrxTokenAddress,
);
const wouldRoundingErrorOccur = await this._exchangeWrapper.isRoundingErrorAsync(
- filledTakerTokenAmount, signedOrder.takerTokenAmount, signedOrder.makerTokenAmount,
+ filledTakerTokenAmount,
+ signedOrder.takerTokenAmount,
+ signedOrder.makerTokenAmount,
);
if (wouldRoundingErrorOccur) {
throw new Error(ExchangeContractErrs.OrderFillRoundingError);
@@ -153,10 +196,18 @@ export class OrderValidationUtils {
return filledTakerTokenAmount;
}
public async validateFillOrKillOrderThrowIfInvalidAsync(
- exchangeTradeEmulator: ExchangeTransferSimulator, signedOrder: SignedOrder,
- fillTakerTokenAmount: BigNumber, takerAddress: string, zrxTokenAddress: string): Promise<void> {
+ exchangeTradeEmulator: ExchangeTransferSimulator,
+ signedOrder: SignedOrder,
+ fillTakerTokenAmount: BigNumber,
+ takerAddress: string,
+ zrxTokenAddress: string,
+ ): Promise<void> {
const filledTakerTokenAmount = await this.validateFillOrderThrowIfInvalidAsync(
- exchangeTradeEmulator, signedOrder, fillTakerTokenAmount, takerAddress, zrxTokenAddress,
+ exchangeTradeEmulator,
+ signedOrder,
+ fillTakerTokenAmount,
+ takerAddress,
+ zrxTokenAddress,
);
if (filledTakerTokenAmount !== fillTakerTokenAmount) {
throw new Error(ExchangeContractErrs.InsufficientRemainingFillAmount);
diff --git a/packages/0x.js/src/utils/signature_utils.ts b/packages/0x.js/src/utils/signature_utils.ts
index aaf04e7b0..b0f1d61ef 100644
--- a/packages/0x.js/src/utils/signature_utils.ts
+++ b/packages/0x.js/src/utils/signature_utils.ts
@@ -1,6 +1,6 @@
import * as ethUtil from 'ethereumjs-util';
-import {ECSignature} from '../types';
+import { ECSignature } from '../types';
export const signatureUtils = {
isValidSignature(data: string, signature: ECSignature, signerAddress: string): boolean {
@@ -11,7 +11,8 @@ export const signatureUtils = {
msgHashBuff,
signature.v,
ethUtil.toBuffer(signature.r),
- ethUtil.toBuffer(signature.s));
+ ethUtil.toBuffer(signature.s),
+ );
const retrievedAddress = ethUtil.bufferToHex(ethUtil.pubToAddress(pubKey));
return retrievedAddress === signerAddress;
} catch (err) {
@@ -34,7 +35,7 @@ export const signatureUtils = {
return ecSignature;
},
parseSignatureHexAsRSV(signatureHex: string): ECSignature {
- const {v, r, s} = ethUtil.fromRpcSig(signatureHex);
+ const { v, r, s } = ethUtil.fromRpcSig(signatureHex);
const ecSignature: ECSignature = {
v,
r: ethUtil.bufferToHex(r),
diff --git a/packages/0x.js/src/utils/utils.ts b/packages/0x.js/src/utils/utils.ts
index 04ae34aac..09de6ce52 100644
--- a/packages/0x.js/src/utils/utils.ts
+++ b/packages/0x.js/src/utils/utils.ts
@@ -4,7 +4,7 @@ import * as ethABI from 'ethereumjs-abi';
import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
-import {Order, SignedOrder, SolidityTypes} from '../types';
+import { Order, SignedOrder, SolidityTypes } from '../types';
export const utils = {
/**
@@ -29,20 +29,35 @@ export const utils = {
spawnSwitchErr(name: string, value: any): Error {
return new Error(`Unexpected switch value: ${value} encountered for ${name}`);
},
- getOrderHashHex(order: Order|SignedOrder): string {
+ getOrderHashHex(order: Order | SignedOrder): string {
const orderParts = [
- {value: order.exchangeContractAddress, type: SolidityTypes.Address},
- {value: order.maker, type: SolidityTypes.Address},
- {value: order.taker, type: SolidityTypes.Address},
- {value: order.makerTokenAddress, type: SolidityTypes.Address},
- {value: order.takerTokenAddress, type: SolidityTypes.Address},
- {value: order.feeRecipient, type: SolidityTypes.Address},
- {value: utils.bigNumberToBN(order.makerTokenAmount), type: SolidityTypes.Uint256},
- {value: utils.bigNumberToBN(order.takerTokenAmount), type: SolidityTypes.Uint256},
- {value: utils.bigNumberToBN(order.makerFee), type: SolidityTypes.Uint256},
- {value: utils.bigNumberToBN(order.takerFee), type: SolidityTypes.Uint256},
- {value: utils.bigNumberToBN(order.expirationUnixTimestampSec), type: SolidityTypes.Uint256},
- {value: utils.bigNumberToBN(order.salt), type: SolidityTypes.Uint256},
+ { value: order.exchangeContractAddress, type: SolidityTypes.Address },
+ { value: order.maker, type: SolidityTypes.Address },
+ { value: order.taker, type: SolidityTypes.Address },
+ { value: order.makerTokenAddress, type: SolidityTypes.Address },
+ { value: order.takerTokenAddress, type: SolidityTypes.Address },
+ { value: order.feeRecipient, type: SolidityTypes.Address },
+ {
+ value: utils.bigNumberToBN(order.makerTokenAmount),
+ type: SolidityTypes.Uint256,
+ },
+ {
+ value: utils.bigNumberToBN(order.takerTokenAmount),
+ type: SolidityTypes.Uint256,
+ },
+ {
+ value: utils.bigNumberToBN(order.makerFee),
+ type: SolidityTypes.Uint256,
+ },
+ {
+ value: utils.bigNumberToBN(order.takerFee),
+ type: SolidityTypes.Uint256,
+ },
+ {
+ value: utils.bigNumberToBN(order.expirationUnixTimestampSec),
+ type: SolidityTypes.Uint256,
+ },
+ { value: utils.bigNumberToBN(order.salt), type: SolidityTypes.Uint256 },
];
const types = _.map(orderParts, o => o.type);
const values = _.map(orderParts, o => o.value);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 04:57:23 +0800