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authorJacob Evans <jacob@dekz.net>2018-10-04 15:32:54 +0800
committerJacob Evans <jacob@dekz.net>2018-10-05 10:02:09 +0800
commit3e2fe40a11919f09f1f454c71f02aaa147b46b0c (patch)
tree0ff88e480944cfab0cefd211f5623f2870462351 /packages/contract-wrappers/src/utils
parent2a82ff48c061eacb3b6f9fb36eeae7f515b6d11d (diff)
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Add eth_signTypedData support to our wallet subproviders
Diffstat (limited to 'packages/contract-wrappers/src/utils')
-rw-r--r--packages/contract-wrappers/src/utils/transaction_encoder.ts35
1 files changed, 22 insertions, 13 deletions
diff --git a/packages/contract-wrappers/src/utils/transaction_encoder.ts b/packages/contract-wrappers/src/utils/transaction_encoder.ts
index 87cbb43fd..1800f49ad 100644
--- a/packages/contract-wrappers/src/utils/transaction_encoder.ts
+++ b/packages/contract-wrappers/src/utils/transaction_encoder.ts
@@ -1,19 +1,19 @@
import { schemas } from '@0xproject/json-schemas';
-import { EIP712Schema, EIP712Types, eip712Utils } from '@0xproject/order-utils';
+import { EIP712_DOMAIN_NAME, EIP712_DOMAIN_SCHEMA, EIP712_DOMAIN_VERSION } from '@0xproject/order-utils';
import { Order, SignedOrder } from '@0xproject/types';
-import { BigNumber } from '@0xproject/utils';
+import { BigNumber, signTypedDataUtils } from '@0xproject/utils';
import _ = require('lodash');
import { ExchangeContract } from '../contract_wrappers/generated/exchange';
import { assert } from './assert';
-const EIP712_ZEROEX_TRANSACTION_SCHEMA: EIP712Schema = {
+const EIP712_ZEROEX_TRANSACTION_SCHEMA = {
name: 'ZeroExTransaction',
parameters: [
- { name: 'salt', type: EIP712Types.Uint256 },
- { name: 'signerAddress', type: EIP712Types.Address },
- { name: 'data', type: EIP712Types.Bytes },
+ { name: 'salt', type: 'uint256' },
+ { name: 'signerAddress', type: 'address' },
+ { name: 'data', type: 'bytes' },
],
};
@@ -37,16 +37,25 @@ export class TransactionEncoder {
public getTransactionHex(data: string, salt: BigNumber, signerAddress: string): string {
const exchangeAddress = this._getExchangeContract().address;
const executeTransactionData = {
- salt,
+ salt: salt.toString(),
signerAddress,
data,
};
- const executeTransactionHashBuff = eip712Utils.structHash(
- EIP712_ZEROEX_TRANSACTION_SCHEMA,
- executeTransactionData,
- );
- const eip721MessageBuffer = eip712Utils.createEIP712Message(executeTransactionHashBuff, exchangeAddress);
- const messageHex = `0x${eip721MessageBuffer.toString('hex')}`;
+ const typedData = {
+ types: {
+ EIP712Domain: EIP712_DOMAIN_SCHEMA.parameters,
+ ZeroExTransaction: EIP712_ZEROEX_TRANSACTION_SCHEMA.parameters,
+ },
+ domain: {
+ name: EIP712_DOMAIN_NAME,
+ version: EIP712_DOMAIN_VERSION,
+ verifyingContract: exchangeAddress,
+ },
+ message: executeTransactionData,
+ primaryType: EIP712_ZEROEX_TRANSACTION_SCHEMA.name,
+ };
+ const eip712MessageBuffer = signTypedDataUtils.signTypedDataHash(typedData);
+ const messageHex = `0x${eip712MessageBuffer.toString('hex')}`;
return messageHex;
}
/**