diff options
Diffstat (limited to 'packages/contracts/src/utils')
-rw-r--r-- | packages/contracts/src/utils/eip712_utils.ts | 63 | ||||
-rw-r--r-- | packages/contracts/src/utils/order_factory.ts | 4 | ||||
-rw-r--r-- | packages/contracts/src/utils/order_utils.ts | 56 | ||||
-rw-r--r-- | packages/contracts/src/utils/transaction_factory.ts | 16 | ||||
-rw-r--r-- | packages/contracts/src/utils/types.ts | 10 |
5 files changed, 7 insertions, 142 deletions
diff --git a/packages/contracts/src/utils/eip712_utils.ts b/packages/contracts/src/utils/eip712_utils.ts deleted file mode 100644 index 07b45c8af..000000000 --- a/packages/contracts/src/utils/eip712_utils.ts +++ /dev/null @@ -1,63 +0,0 @@ -import { BigNumber } from '@0xproject/utils'; -import ethUtil = require('ethereumjs-util'); -import * as _ from 'lodash'; - -import { crypto } from './crypto'; -import { EIP712Schema } from './types'; - -const EIP191_PREFIX = '\x19\x01'; -const EIP712_DOMAIN_NAME = '0x Protocol'; -const EIP712_DOMAIN_VERSION = '1'; - -const EIP712_DOMAIN_SCHEMA: EIP712Schema = { - name: 'DomainSeparator', - parameters: [ - { name: 'name', type: 'string' }, - { name: 'version', type: 'string' }, - { name: 'contract', type: 'address' }, - ], -}; - -export const EIP712Utils = { - compileSchema(schema: EIP712Schema): Buffer { - const namedTypes = _.map(schema.parameters, parameter => `${parameter.type} ${parameter.name}`); - const namedTypesJoined = namedTypes.join(','); - const eip712Schema = `${schema.name}(${namedTypesJoined})`; - const eip712SchemaHashBuffer = crypto.solSHA3([eip712Schema]); - return eip712SchemaHashBuffer; - }, - createEIP712Message(hashStruct: string, contractAddress: string): Buffer { - const domainSeparatorHashHex = EIP712Utils.getDomainSeparatorHashHex(contractAddress); - const messageBuff = crypto.solSHA3([ - EIP191_PREFIX, - new BigNumber(domainSeparatorHashHex), - new BigNumber(hashStruct), - ]); - return messageBuff; - }, - getDomainSeparatorSchemaBuffer(): Buffer { - return EIP712Utils.compileSchema(EIP712_DOMAIN_SCHEMA); - }, - getDomainSeparatorHashHex(exchangeAddress: string): string { - const domainSeparatorSchemaBuffer = EIP712Utils.getDomainSeparatorSchemaBuffer(); - const nameHash = crypto.solSHA3([EIP712_DOMAIN_NAME]); - const versionHash = crypto.solSHA3([EIP712_DOMAIN_VERSION]); - const domainSeparatorHashBuff = crypto.solSHA3([ - domainSeparatorSchemaBuffer, - nameHash, - versionHash, - EIP712Utils.pad32Address(exchangeAddress), - ]); - const domainSeparatorHashHex = `0x${domainSeparatorHashBuff.toString('hex')}`; - return domainSeparatorHashHex; - }, - pad32Address(address: string): Buffer { - const addressBuffer = ethUtil.toBuffer(address); - const addressPadded = EIP712Utils.pad32Buffer(addressBuffer); - return addressPadded; - }, - pad32Buffer(buffer: Buffer): Buffer { - const bufferPadded = ethUtil.setLengthLeft(buffer, 32); - return bufferPadded; - }, -}; diff --git a/packages/contracts/src/utils/order_factory.ts b/packages/contracts/src/utils/order_factory.ts index bfe5013e8..dd02e1f5c 100644 --- a/packages/contracts/src/utils/order_factory.ts +++ b/packages/contracts/src/utils/order_factory.ts @@ -1,5 +1,5 @@ import { generatePseudoRandomSalt, orderHashUtils } from '@0xproject/order-utils'; -import { Order, SignatureType, SignedOrder, UnsignedOrder } from '@0xproject/types'; +import { Order, SignatureType, SignedOrder } from '@0xproject/types'; import { BigNumber } from '@0xproject/utils'; import * as _ from 'lodash'; @@ -26,7 +26,7 @@ export class OrderFactory { takerAddress: constants.NULL_ADDRESS, ...this._defaultOrderParams, ...customOrderParams, - } as any) as UnsignedOrder; + } as any) as Order; const orderHashBuff = orderHashUtils.getOrderHashBuffer(order); const signature = signingUtils.signMessage(orderHashBuff, this._privateKey, signatureType); const signedOrder = { diff --git a/packages/contracts/src/utils/order_utils.ts b/packages/contracts/src/utils/order_utils.ts index 316350ffb..180761f2c 100644 --- a/packages/contracts/src/utils/order_utils.ts +++ b/packages/contracts/src/utils/order_utils.ts @@ -1,29 +1,8 @@ -import { Order, OrderWithoutExchangeAddress, SignedOrder, UnsignedOrder } from '@0xproject/types'; +import { OrderWithoutExchangeAddress, SignedOrder } from '@0xproject/types'; import { BigNumber } from '@0xproject/utils'; import ethUtil = require('ethereumjs-util'); -import * as _ from 'lodash'; -import { crypto } from './crypto'; -import { EIP712Utils } from './eip712_utils'; -import { CancelOrder, EIP712Schema, MatchOrder } from './types'; - -const EIP712_ORDER_SCHEMA: EIP712Schema = { - name: 'Order', - parameters: [ - { name: 'makerAddress', type: 'address' }, - { name: 'takerAddress', type: 'address' }, - { name: 'feeRecipientAddress', type: 'address' }, - { name: 'senderAddress', type: 'address' }, - { name: 'makerAssetAmount', type: 'uint256' }, - { name: 'takerAssetAmount', type: 'uint256' }, - { name: 'makerFee', type: 'uint256' }, - { name: 'takerFee', type: 'uint256' }, - { name: 'expirationTimeSeconds', type: 'uint256' }, - { name: 'salt', type: 'uint256' }, - { name: 'makerAssetData', type: 'bytes' }, - { name: 'takerAssetData', type: 'bytes' }, - ], -}; +import { CancelOrder, MatchOrder } from './types'; export const orderUtils = { createFill: (signedOrder: SignedOrder, takerAssetFillAmount?: BigNumber) => { @@ -58,37 +37,6 @@ export const orderUtils = { }; return orderStruct; }, - getOrderSchemaBuffer(): Buffer { - return EIP712Utils.compileSchema(EIP712_ORDER_SCHEMA); - }, - getOrderHashBuffer(order: SignedOrder | UnsignedOrder): Buffer { - const makerAssetDataHash = crypto.solSHA3([ethUtil.toBuffer(order.makerAssetData)]); - const takerAssetDataHash = crypto.solSHA3([ethUtil.toBuffer(order.takerAssetData)]); - - const orderParamsHashBuff = crypto.solSHA3([ - orderUtils.getOrderSchemaBuffer(), - EIP712Utils.pad32Address(order.makerAddress), - EIP712Utils.pad32Address(order.takerAddress), - EIP712Utils.pad32Address(order.feeRecipientAddress), - EIP712Utils.pad32Address(order.senderAddress), - order.makerAssetAmount, - order.takerAssetAmount, - order.makerFee, - order.takerFee, - order.expirationTimeSeconds, - order.salt, - makerAssetDataHash, - takerAssetDataHash, - ]); - const orderParamsHashHex = `0x${orderParamsHashBuff.toString('hex')}`; - const orderHashBuff = EIP712Utils.createEIP712Message(orderParamsHashHex, order.exchangeAddress); - return orderHashBuff; - }, - getOrderHashHex(order: SignedOrder | UnsignedOrder): string { - const orderHashBuff = orderUtils.getOrderHashBuffer(order); - const orderHashHex = `0x${orderHashBuff.toString('hex')}`; - return orderHashHex; - }, createMatchOrders(signedOrderLeft: SignedOrder, signedOrderRight: SignedOrder): MatchOrder { const fill = { left: orderUtils.getOrderWithoutExchangeAddress(signedOrderLeft), diff --git a/packages/contracts/src/utils/transaction_factory.ts b/packages/contracts/src/utils/transaction_factory.ts index 1c1029d62..7aaf3691c 100644 --- a/packages/contracts/src/utils/transaction_factory.ts +++ b/packages/contracts/src/utils/transaction_factory.ts @@ -1,14 +1,9 @@ -import { crypto, generatePseudoRandomSalt } from '@0xproject/order-utils'; +import { crypto, EIP712Schema, EIP712Utils, generatePseudoRandomSalt } from '@0xproject/order-utils'; import { SignatureType } from '@0xproject/types'; -import { BigNumber } from '@0xproject/utils'; import * as ethUtil from 'ethereumjs-util'; -import * as _ from 'lodash'; -import { crypto } from './crypto'; -import { EIP712Utils } from './eip712_utils'; -import { orderUtils } from './order_utils'; import { signingUtils } from './signing_utils'; -import { EIP712Schema, SignatureType, SignedTransaction } from './types'; +import { SignedTransaction } from './types'; const EIP712_EXECUTE_TRANSACTION_SCHEMA: EIP712Schema = { name: 'ExecuteTransaction', @@ -30,20 +25,15 @@ export class TransactionFactory { } public newSignedTransaction(data: string, signatureType: SignatureType = SignatureType.EthSign): SignedTransaction { const executeTransactionSchemaHashBuff = EIP712Utils.compileSchema(EIP712_EXECUTE_TRANSACTION_SCHEMA); - const salt = generatePseudoRandomSalt(); const dataHash = crypto.solSHA3([ethUtil.toBuffer(data)]); - const executeTransactionDataHash = crypto.solSHA3([ executeTransactionSchemaHashBuff, salt, EIP712Utils.pad32Buffer(this._signerBuff), dataHash, ]); - - const executeTransactionMessageHex = `0x${executeTransactionDataHash.toString('hex')}`; - - const txHash = EIP712Utils.createEIP712Message(executeTransactionMessageHex, this._exchangeAddress); + const txHash = EIP712Utils.createEIP712Message(executeTransactionDataHash, this._exchangeAddress); const signature = signingUtils.signMessage(txHash, this._privateKey, signatureType); const signedTx = { exchangeAddress: this._exchangeAddress, diff --git a/packages/contracts/src/utils/types.ts b/packages/contracts/src/utils/types.ts index 5b7f1bcee..360e1fdbc 100644 --- a/packages/contracts/src/utils/types.ts +++ b/packages/contracts/src/utils/types.ts @@ -147,13 +147,3 @@ export interface MatchOrder { leftSignature: string; rightSignature: string; } - -export interface EIP712Parameter { - name: string; - type: string; -} - -export interface EIP712Schema { - name: string; - parameters: EIP712Parameter[]; -} |