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Return SignedOrder from signing utils.
Create a helper back in EIP712Utils for code cleanup. Moved constants in order-utils into the constants object
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| import { EIP712Object, EIP712TypedData, EIP712Types, Order, ZeroExTransaction } from '@0xproject/types'; | ||
| import * as _ from 'lodash'; | ||
|
|
||
| import { constants } from './constants'; | ||
|
|
||
| export const eip712Utils = { | ||
| /** | ||
| * Creates a EIP712TypedData object specific to the 0x protocol for use with signTypedData. | ||
| * @param primaryType The primary type found in message | ||
| * @param types The additional types for the data in message | ||
| * @param message The contents of the message | ||
| * @param exchangeAddress The address of the exchange contract | ||
| * @return A typed data object | ||
| */ | ||
| createTypedData: ( | ||
| primaryType: string, | ||
| types: EIP712Types, | ||
| message: EIP712Object, | ||
| exchangeAddress: string, | ||
| ): EIP712TypedData => { | ||
| const typedData = { | ||
| types: { | ||
| EIP712Domain: constants.EIP712_DOMAIN_SCHEMA.parameters, | ||
| ...types, | ||
| }, | ||
| domain: { | ||
| name: constants.EIP712_DOMAIN_NAME, | ||
| version: constants.EIP712_DOMAIN_VERSION, | ||
| verifyingContract: exchangeAddress, | ||
| }, | ||
| message, | ||
| primaryType, | ||
| }; | ||
| return typedData; | ||
| }, | ||
| /** | ||
| * Creates an Order EIP712TypedData object for use with signTypedData. | ||
| * @param Order the order | ||
| * @return A typed data object | ||
| */ | ||
| createOrderTypedData: (order: Order): EIP712TypedData => { | ||
| const normalizedOrder = _.mapValues(order, value => { | ||
| return !_.isString(value) ? value.toString() : value; | ||
| }); | ||
| const typedData = eip712Utils.createTypedData( | ||
| constants.EIP712_ORDER_SCHEMA.name, | ||
| { Order: constants.EIP712_ORDER_SCHEMA.parameters }, | ||
| normalizedOrder, | ||
| order.exchangeAddress, | ||
| ); | ||
| return typedData; | ||
| }, | ||
| /** | ||
| * Creates an ExecuteTransaction EIP712TypedData object for use with signTypedData and | ||
| * 0x Exchange executeTransaction. | ||
| * @param ZeroExTransaction the 0x transaction | ||
| * @param exchangeAddress The address of the exchange contract | ||
| * @return A typed data object | ||
| */ | ||
| createZeroExTransactionTypedData: ( | ||
| zeroExTransaction: ZeroExTransaction, | ||
| exchangeAddress: string, | ||
| ): EIP712TypedData => { | ||
| const normalizedTransaction = _.mapValues(zeroExTransaction, value => { | ||
| return !_.isString(value) ? value.toString() : value; | ||
| }); | ||
| const typedData = eip712Utils.createTypedData( | ||
| constants.EIP712_ZEROEX_TRANSACTION_SCHEMA.name, | ||
| { ZeroExTransaction: constants.EIP712_ZEROEX_TRANSACTION_SCHEMA.parameters }, | ||
| normalizedTransaction, | ||
| exchangeAddress, | ||
| ); | ||
| return typedData; | ||
| }, | ||
| }; |
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