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-rw-r--r--packages/order-utils/src/eip712_utils.ts24
-rw-r--r--packages/order-utils/src/index.ts2
-rw-r--r--packages/order-utils/src/order_hash.ts26
-rw-r--r--packages/order-utils/src/types.ts10
4 files changed, 29 insertions, 33 deletions
diff --git a/packages/order-utils/src/eip712_utils.ts b/packages/order-utils/src/eip712_utils.ts
index e54ca0e83..00edd2531 100644
--- a/packages/order-utils/src/eip712_utils.ts
+++ b/packages/order-utils/src/eip712_utils.ts
@@ -4,7 +4,7 @@ import * as _ from 'lodash';
import { assetProxyUtils } from './asset_proxy_utils';
import { crypto } from './crypto';
-import { EIP712Schema } from './types';
+import { EIP712Schema, EIP712Types } from './types';
const EIP191_PREFIX = '\x19\x01';
const EIP712_DOMAIN_NAME = '0x Protocol';
@@ -12,22 +12,14 @@ const EIP712_DOMAIN_VERSION = '2';
const EIP712_VALUE_LENGTH = 32;
const EIP712_DOMAIN_SCHEMA: EIP712Schema = {
- name: 'DomainSeparator',
+ name: 'EIP712Domain',
parameters: [
- { name: 'name', type: 'string' },
- { name: 'version', type: 'string' },
- { name: 'contract', type: 'address' },
+ { name: 'name', type: EIP712Types.String },
+ { name: 'version', type: EIP712Types.String },
+ { name: 'verifyingContract', type: EIP712Types.Address },
],
};
-enum EIP712Types {
- String = 'string',
- Bytes = 'bytes',
- Address = 'address',
- Bytes32 = 'bytes32',
- Uint256 = 'uint256',
-}
-
export const EIP712Utils = {
/**
* Compiles the EIP712Schema and returns the hash of the schema.
@@ -67,7 +59,7 @@ export const EIP712Utils = {
const encodedData = EIP712Utils._encodeData(EIP712_DOMAIN_SCHEMA, {
name: EIP712_DOMAIN_NAME,
version: EIP712_DOMAIN_VERSION,
- contract: exchangeAddress,
+ verifyingContract: exchangeAddress,
});
const domainSeparatorHashBuff2 = crypto.solSHA3([domainSeparatorSchemaBuffer, ...encodedData]);
return domainSeparatorHashBuff2;
@@ -79,18 +71,14 @@ export const EIP712Utils = {
return encodedType;
},
_encodeData(schema: EIP712Schema, data: { [key: string]: any }): any {
- const encodedTypes = [];
const encodedValues = [];
for (const parameter of schema.parameters) {
const value = data[parameter.name];
if (parameter.type === EIP712Types.String || parameter.type === EIP712Types.Bytes) {
- encodedTypes.push(EIP712Types.Bytes32);
encodedValues.push(crypto.solSHA3([ethUtil.toBuffer(value)]));
} else if (parameter.type === EIP712Types.Uint256) {
- encodedTypes.push(EIP712Types.Uint256);
encodedValues.push(value);
} else if (parameter.type === EIP712Types.Address) {
- encodedTypes.push(EIP712Types.Address);
encodedValues.push(EIP712Utils.pad32Address(value));
} else {
throw new Error(`Unable to encode ${parameter.type}`);
diff --git a/packages/order-utils/src/index.ts b/packages/order-utils/src/index.ts
index caa996621..5122e60fc 100644
--- a/packages/order-utils/src/index.ts
+++ b/packages/order-utils/src/index.ts
@@ -4,7 +4,7 @@ export { orderFactory } from './order_factory';
export { constants } from './constants';
export { crypto } from './crypto';
export { generatePseudoRandomSalt } from './salt';
-export { OrderError, MessagePrefixType, MessagePrefixOpts, EIP712Parameter, EIP712Schema } from './types';
+export { OrderError, MessagePrefixType, MessagePrefixOpts, EIP712Parameter, EIP712Schema, EIP712Types } from './types';
export { AbstractBalanceAndProxyAllowanceFetcher } from './abstract/abstract_balance_and_proxy_allowance_fetcher';
export { AbstractOrderFilledCancelledFetcher } from './abstract/abstract_order_filled_cancelled_fetcher';
export { RemainingFillableCalculator } from './remaining_fillable_calculator';
diff --git a/packages/order-utils/src/order_hash.ts b/packages/order-utils/src/order_hash.ts
index 46cce4b3b..61f6c978f 100644
--- a/packages/order-utils/src/order_hash.ts
+++ b/packages/order-utils/src/order_hash.ts
@@ -10,25 +10,25 @@ import * as _ from 'lodash';
import { assert } from './assert';
import { crypto } from './crypto';
import { EIP712Utils } from './eip712_utils';
-import { EIP712Schema } from './types';
+import { EIP712Schema, EIP712Types } from './types';
const INVALID_TAKER_FORMAT = 'instance.takerAddress is not of a type(s) string';
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' },
+ { name: 'makerAddress', type: EIP712Types.Address },
+ { name: 'takerAddress', type: EIP712Types.Address },
+ { name: 'feeRecipientAddress', type: EIP712Types.Address },
+ { name: 'senderAddress', type: EIP712Types.Address },
+ { name: 'makerAssetAmount', type: EIP712Types.Uint256 },
+ { name: 'takerAssetAmount', type: EIP712Types.Uint256 },
+ { name: 'makerFee', type: EIP712Types.Uint256 },
+ { name: 'takerFee', type: EIP712Types.Uint256 },
+ { name: 'expirationTimeSeconds', type: EIP712Types.Uint256 },
+ { name: 'salt', type: EIP712Types.Uint256 },
+ { name: 'makerAssetData', type: EIP712Types.Bytes },
+ { name: 'takerAssetData', type: EIP712Types.Bytes },
],
};
diff --git a/packages/order-utils/src/types.ts b/packages/order-utils/src/types.ts
index 858c0e18b..daa4aee11 100644
--- a/packages/order-utils/src/types.ts
+++ b/packages/order-utils/src/types.ts
@@ -26,10 +26,18 @@ export interface MessagePrefixOpts {
export interface EIP712Parameter {
name: string;
- type: string;
+ type: EIP712Types;
}
export interface EIP712Schema {
name: string;
parameters: EIP712Parameter[];
}
+
+export enum EIP712Types {
+ String = 'string',
+ Bytes = 'bytes',
+ Address = 'address',
+ Bytes32 = 'bytes32',
+ Uint256 = 'uint256',
+}