diff options
Diffstat (limited to 'packages/0x.js/src/utils')
-rw-r--r-- | packages/0x.js/src/utils/assert.ts | 10 | ||||
-rw-r--r-- | packages/0x.js/src/utils/constants.ts | 1 | ||||
-rw-r--r-- | packages/0x.js/src/utils/order_validation_utils.ts | 7 | ||||
-rw-r--r-- | packages/0x.js/src/utils/signature_utils.ts | 45 | ||||
-rw-r--r-- | packages/0x.js/src/utils/utils.ts | 50 |
5 files changed, 7 insertions, 106 deletions
diff --git a/packages/0x.js/src/utils/assert.ts b/packages/0x.js/src/utils/assert.ts index 5e8004cd0..2588a4d09 100644 --- a/packages/0x.js/src/utils/assert.ts +++ b/packages/0x.js/src/utils/assert.ts @@ -8,13 +8,13 @@ import { BigNumber } from '@0xproject/utils'; import { Web3Wrapper } from '@0xproject/web3-wrapper'; import * as _ from 'lodash'; -import { signatureUtils } from '../utils/signature_utils'; +import { isValidSignature } from '@0xproject/order-utils'; export const assert = { ...sharedAssert, isValidSignature(orderHash: string, ecSignature: ECSignature, signerAddress: string) { - const isValidSignature = signatureUtils.isValidSignature(orderHash, ecSignature, signerAddress); - this.assert(isValidSignature, `Expected order with hash '${orderHash}' to have a valid signature`); + const isValid = isValidSignature(orderHash, ecSignature, signerAddress); + this.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`); }, async isSenderAddressAsync( variableName: string, @@ -28,8 +28,4 @@ export const assert = { `Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`, ); }, - async isUserAddressAvailableAsync(web3Wrapper: Web3Wrapper): Promise<void> { - const availableAddresses = await web3Wrapper.getAvailableAddressesAsync(); - this.assert(!_.isEmpty(availableAddresses), 'No addresses were available on the provided web3 provider'); - }, }; diff --git a/packages/0x.js/src/utils/constants.ts b/packages/0x.js/src/utils/constants.ts index 06beec8e2..07da6745d 100644 --- a/packages/0x.js/src/utils/constants.ts +++ b/packages/0x.js/src/utils/constants.ts @@ -3,7 +3,6 @@ import { BigNumber } from '@0xproject/utils'; export const constants = { NULL_ADDRESS: '0x0000000000000000000000000000000000000000', TESTRPC_NETWORK_ID: 50, - MAX_DIGITS_IN_UNSIGNED_256_INT: 78, INVALID_JUMP_PATTERN: 'invalid JUMP at', OUT_OF_GAS_PATTERN: 'out of gas', INVALID_TAKER_FORMAT: 'instance.taker is not of a type(s) string', diff --git a/packages/0x.js/src/utils/order_validation_utils.ts b/packages/0x.js/src/utils/order_validation_utils.ts index b320a3e92..a13c3dc04 100644 --- a/packages/0x.js/src/utils/order_validation_utils.ts +++ b/packages/0x.js/src/utils/order_validation_utils.ts @@ -1,3 +1,4 @@ +import { getOrderHashHex, OrderError } from '@0xproject/order-utils'; import { Order, SignedOrder } from '@0xproject/types'; import { BigNumber } from '@0xproject/utils'; import * as _ from 'lodash'; @@ -113,7 +114,7 @@ export class OrderValidationUtils { zrxTokenAddress: string, expectedFillTakerTokenAmount?: BigNumber, ): Promise<void> { - const orderHash = utils.getOrderHashHex(signedOrder); + const orderHash = getOrderHashHex(signedOrder); const unavailableTakerTokenAmount = await this._exchangeWrapper.getUnavailableTakerAmountAsync(orderHash); OrderValidationUtils._validateRemainingFillAmountNotZeroOrThrow( signedOrder.takerTokenAmount, @@ -142,9 +143,9 @@ export class OrderValidationUtils { if (fillTakerTokenAmount.eq(0)) { throw new Error(ExchangeContractErrs.OrderFillAmountZero); } - const orderHash = utils.getOrderHashHex(signedOrder); + const orderHash = getOrderHashHex(signedOrder); if (!ZeroEx.isValidSignature(orderHash, signedOrder.ecSignature, signedOrder.maker)) { - throw new Error(ZeroExError.InvalidSignature); + throw new Error(OrderError.InvalidSignature); } const unavailableTakerTokenAmount = await this._exchangeWrapper.getUnavailableTakerAmountAsync(orderHash); OrderValidationUtils._validateRemainingFillAmountNotZeroOrThrow( diff --git a/packages/0x.js/src/utils/signature_utils.ts b/packages/0x.js/src/utils/signature_utils.ts deleted file mode 100644 index 46f167339..000000000 --- a/packages/0x.js/src/utils/signature_utils.ts +++ /dev/null @@ -1,45 +0,0 @@ -import { ECSignature } from '@0xproject/types'; -import * as ethUtil from 'ethereumjs-util'; - -export const signatureUtils = { - isValidSignature(data: string, signature: ECSignature, signerAddress: string): boolean { - const dataBuff = ethUtil.toBuffer(data); - const msgHashBuff = ethUtil.hashPersonalMessage(dataBuff); - try { - const pubKey = ethUtil.ecrecover( - msgHashBuff, - signature.v, - ethUtil.toBuffer(signature.r), - ethUtil.toBuffer(signature.s), - ); - const retrievedAddress = ethUtil.bufferToHex(ethUtil.pubToAddress(pubKey)); - return retrievedAddress === signerAddress; - } catch (err) { - return false; - } - }, - parseSignatureHexAsVRS(signatureHex: string): ECSignature { - const signatureBuffer = ethUtil.toBuffer(signatureHex); - let v = signatureBuffer[0]; - if (v < 27) { - v += 27; - } - const r = signatureBuffer.slice(1, 33); - const s = signatureBuffer.slice(33, 65); - const ecSignature: ECSignature = { - v, - r: ethUtil.bufferToHex(r), - s: ethUtil.bufferToHex(s), - }; - return ecSignature; - }, - parseSignatureHexAsRSV(signatureHex: string): ECSignature { - const { v, r, s } = ethUtil.fromRpcSig(signatureHex); - const ecSignature: ECSignature = { - v, - r: ethUtil.bufferToHex(r), - s: ethUtil.bufferToHex(s), - }; - return ecSignature; - }, -}; diff --git a/packages/0x.js/src/utils/utils.ts b/packages/0x.js/src/utils/utils.ts index c8bcd907e..af1125632 100644 --- a/packages/0x.js/src/utils/utils.ts +++ b/packages/0x.js/src/utils/utils.ts @@ -1,59 +1,9 @@ -import { Order, SignedOrder, SolidityTypes } from '@0xproject/types'; import { BigNumber } from '@0xproject/utils'; -import BN = require('bn.js'); -import * as ethABI from 'ethereumjs-abi'; -import * as ethUtil from 'ethereumjs-util'; -import * as _ from 'lodash'; export const utils = { - /** - * Converts BigNumber instance to BN - * The only reason we convert to BN is to remain compatible with `ethABI. soliditySHA3` that - * expects values of Solidity type `uint` to be passed as type `BN`. - * We do not use BN anywhere else in the codebase. - */ - bigNumberToBN(value: BigNumber) { - return new BN(value.toString(), 10); - }, spawnSwitchErr(name: string, value: any): Error { return new Error(`Unexpected switch value: ${value} encountered for ${name}`); }, - 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 }, - ]; - const types = _.map(orderParts, o => o.type); - const values = _.map(orderParts, o => o.value); - const hashBuff = ethABI.soliditySHA3(types, values); - const hashHex = ethUtil.bufferToHex(hashBuff); - return hashHex; - }, getCurrentUnixTimestampSec(): BigNumber { return new BigNumber(Date.now() / 1000).round(); }, |