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-rw-r--r--packages/order-utils/CHANGELOG.json18
-rw-r--r--packages/order-utils/package.json2
-rw-r--r--packages/order-utils/src/constants.ts35
-rw-r--r--packages/order-utils/src/eip712_utils.ts162
-rw-r--r--packages/order-utils/src/index.ts23
-rw-r--r--packages/order-utils/src/order_factory.ts9
-rw-r--r--packages/order-utils/src/order_hash.ts33
-rw-r--r--packages/order-utils/src/signature_utils.ts163
-rw-r--r--packages/order-utils/src/types.ts19
-rw-r--r--packages/order-utils/test/eip712_utils_test.ts44
-rw-r--r--packages/order-utils/test/order_hash_test.ts14
-rw-r--r--packages/order-utils/test/signature_utils_test.ts221
12 files changed, 429 insertions, 314 deletions
diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json
index 3e841c43c..5a0c0db47 100644
--- a/packages/order-utils/CHANGELOG.json
+++ b/packages/order-utils/CHANGELOG.json
@@ -1,5 +1,23 @@
[
{
+ "version": "2.0.0",
+ "changes": [
+ {
+ "note":
+ "Added `ecSignOrderAsync` to first sign an order using `eth_signTypedData` and fallback to `eth_sign`.",
+ "pr": 1102
+ },
+ {
+ "note": "Added `ecSignTypedDataOrderAsync` to sign an order exclusively using `eth_signTypedData`.",
+ "pr": 1102
+ },
+ {
+ "note": "Rename `ecSignOrderHashAsync` to `ecSignHashAsync` removing `SignerType` parameter.",
+ "pr": 1102
+ }
+ ]
+ },
+ {
"version": "1.0.7",
"changes": [
{
diff --git a/packages/order-utils/package.json b/packages/order-utils/package.json
index 23ed9ca12..6471de9f5 100644
--- a/packages/order-utils/package.json
+++ b/packages/order-utils/package.json
@@ -70,7 +70,7 @@
"ethereum-types": "^1.0.11",
"ethereumjs-abi": "0.6.5",
"ethereumjs-util": "^5.1.1",
- "ethers": "4.0.0-beta.14",
+ "ethers": "~4.0.4",
"lodash": "^4.17.5"
},
"publishConfig": {
diff --git a/packages/order-utils/src/constants.ts b/packages/order-utils/src/constants.ts
index c23578c20..7de20a696 100644
--- a/packages/order-utils/src/constants.ts
+++ b/packages/order-utils/src/constants.ts
@@ -13,4 +13,39 @@ export const constants = {
BASE_16: 16,
INFINITE_TIMESTAMP_SEC: new BigNumber(2524604400), // Close to infinite
ZERO_AMOUNT: new BigNumber(0),
+ EIP712_DOMAIN_NAME: '0x Protocol',
+ EIP712_DOMAIN_VERSION: '2',
+ EIP712_DOMAIN_SCHEMA: {
+ name: 'EIP712Domain',
+ parameters: [
+ { name: 'name', type: 'string' },
+ { name: 'version', type: 'string' },
+ { name: 'verifyingContract', type: 'address' },
+ ],
+ },
+ EIP712_ORDER_SCHEMA: {
+ 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' },
+ ],
+ },
+ EIP712_ZEROEX_TRANSACTION_SCHEMA: {
+ name: 'ZeroExTransaction',
+ parameters: [
+ { name: 'salt', type: 'uint256' },
+ { name: 'signerAddress', type: 'address' },
+ { name: 'data', type: 'bytes' },
+ ],
+ },
};
diff --git a/packages/order-utils/src/eip712_utils.ts b/packages/order-utils/src/eip712_utils.ts
index b303c93dc..56f736500 100644
--- a/packages/order-utils/src/eip712_utils.ts
+++ b/packages/order-utils/src/eip712_utils.ts
@@ -1,109 +1,83 @@
-import ethUtil = require('ethereumjs-util');
+import { assert } from '@0xproject/assert';
+import { schemas } from '@0xproject/json-schemas';
+import { EIP712Object, EIP712TypedData, EIP712Types, Order, ZeroExTransaction } from '@0xproject/types';
import * as _ from 'lodash';
-import { crypto } from './crypto';
-import { EIP712Schema, EIP712Types } from './types';
-
-const EIP191_PREFIX = '\x19\x01';
-const EIP712_DOMAIN_NAME = '0x Protocol';
-const EIP712_DOMAIN_VERSION = '2';
-const EIP712_VALUE_LENGTH = 32;
-
-const EIP712_DOMAIN_SCHEMA: EIP712Schema = {
- name: 'EIP712Domain',
- parameters: [
- { name: 'name', type: EIP712Types.String },
- { name: 'version', type: EIP712Types.String },
- { name: 'verifyingContract', type: EIP712Types.Address },
- ],
-};
+import { constants } from './constants';
export const eip712Utils = {
/**
- * Compiles the EIP712Schema and returns the hash of the schema.
- * @param schema The EIP712 schema.
- * @return The hash of the compiled schema
- */
- compileSchema(schema: EIP712Schema): Buffer {
- const eip712Schema = eip712Utils._encodeType(schema);
- const eip712SchemaHashBuffer = crypto.solSHA3([eip712Schema]);
- return eip712SchemaHashBuffer;
- },
- /**
- * Merges the EIP712 hash of a struct with the DomainSeparator for 0x v2.
- * @param hashStruct the EIP712 hash of a struct
- * @param contractAddress the exchange contract address
- * @return The hash of an EIP712 message with domain separator prefixed
- */
- createEIP712Message(hashStruct: Buffer, contractAddress: string): Buffer {
- const domainSeparatorHashBuffer = eip712Utils._getDomainSeparatorHashBuffer(contractAddress);
- const messageBuff = crypto.solSHA3([EIP191_PREFIX, domainSeparatorHashBuffer, hashStruct]);
- return messageBuff;
- },
- /**
- * Pad an address to 32 bytes
- * @param address Address to pad
- * @return padded address
+ * 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
*/
- pad32Address(address: string): Buffer {
- const addressBuffer = ethUtil.toBuffer(address);
- const addressPadded = eip712Utils.pad32Buffer(addressBuffer);
- return addressPadded;
+ createTypedData: (
+ primaryType: string,
+ types: EIP712Types,
+ message: EIP712Object,
+ exchangeAddress: string,
+ ): EIP712TypedData => {
+ assert.isETHAddressHex('exchangeAddress', exchangeAddress);
+ assert.isString('primaryType', primaryType);
+ 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,
+ };
+ assert.doesConformToSchema('typedData', typedData, schemas.eip712TypedDataSchema);
+ return typedData;
},
/**
- * Pad an buffer to 32 bytes
- * @param buffer Address to pad
- * @return padded buffer
+ * Creates an Order EIP712TypedData object for use with signTypedData.
+ * @param Order the order
+ * @return A typed data object
*/
- pad32Buffer(buffer: Buffer): Buffer {
- const bufferPadded = ethUtil.setLengthLeft(buffer, EIP712_VALUE_LENGTH);
- return bufferPadded;
+ createOrderTypedData: (order: Order): EIP712TypedData => {
+ assert.doesConformToSchema('order', order, schemas.orderSchema, [schemas.hexSchema]);
+ 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;
},
/**
- * Hash together a EIP712 schema with the corresponding data
- * @param schema EIP712-compliant schema
- * @param data Data the complies to the schema
- * @return A buffer containing the SHA256 hash of the schema and encoded data
+ * 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
*/
- structHash(schema: EIP712Schema, data: { [key: string]: any }): Buffer {
- const encodedData = eip712Utils._encodeData(schema, data);
- const schemaHash = eip712Utils.compileSchema(schema);
- const hashBuffer = crypto.solSHA3([schemaHash, ...encodedData]);
- return hashBuffer;
- },
- _getDomainSeparatorSchemaBuffer(): Buffer {
- return eip712Utils.compileSchema(EIP712_DOMAIN_SCHEMA);
- },
- _getDomainSeparatorHashBuffer(exchangeAddress: string): Buffer {
- const domainSeparatorSchemaBuffer = eip712Utils._getDomainSeparatorSchemaBuffer();
- const encodedData = eip712Utils._encodeData(EIP712_DOMAIN_SCHEMA, {
- name: EIP712_DOMAIN_NAME,
- version: EIP712_DOMAIN_VERSION,
- verifyingContract: exchangeAddress,
+ createZeroExTransactionTypedData: (
+ zeroExTransaction: ZeroExTransaction,
+ exchangeAddress: string,
+ ): EIP712TypedData => {
+ assert.isETHAddressHex('exchangeAddress', exchangeAddress);
+ assert.doesConformToSchema('zeroExTransaction', zeroExTransaction, schemas.zeroExTransactionSchema);
+ const normalizedTransaction = _.mapValues(zeroExTransaction, value => {
+ return !_.isString(value) ? value.toString() : value;
});
- const domainSeparatorHashBuff2 = crypto.solSHA3([domainSeparatorSchemaBuffer, ...encodedData]);
- return domainSeparatorHashBuff2;
- },
- _encodeType(schema: EIP712Schema): string {
- const namedTypes = _.map(schema.parameters, ({ name, type }) => `${type} ${name}`);
- const namedTypesJoined = namedTypes.join(',');
- const encodedType = `${schema.name}(${namedTypesJoined})`;
- return encodedType;
- },
- _encodeData(schema: EIP712Schema, data: { [key: string]: any }): any {
- const encodedValues = [];
- for (const parameter of schema.parameters) {
- const value = data[parameter.name];
- if (parameter.type === EIP712Types.String || parameter.type === EIP712Types.Bytes) {
- encodedValues.push(crypto.solSHA3([ethUtil.toBuffer(value)]));
- } else if (parameter.type === EIP712Types.Uint256) {
- encodedValues.push(value);
- } else if (parameter.type === EIP712Types.Address) {
- encodedValues.push(eip712Utils.pad32Address(value));
- } else {
- throw new Error(`Unable to encode ${parameter.type}`);
- }
- }
- return encodedValues;
+ const typedData = eip712Utils.createTypedData(
+ constants.EIP712_ZEROEX_TRANSACTION_SCHEMA.name,
+ { ZeroExTransaction: constants.EIP712_ZEROEX_TRANSACTION_SCHEMA.parameters },
+ normalizedTransaction,
+ exchangeAddress,
+ );
+ return typedData;
},
};
diff --git a/packages/order-utils/src/index.ts b/packages/order-utils/src/index.ts
index 1553647c6..dbb782b85 100644
--- a/packages/order-utils/src/index.ts
+++ b/packages/order-utils/src/index.ts
@@ -2,7 +2,6 @@ export { orderHashUtils } from './order_hash';
export { signatureUtils } from './signature_utils';
export { generatePseudoRandomSalt } from './salt';
export { assetDataUtils } from './asset_data_utils';
-export { eip712Utils } from './eip712_utils';
export { marketUtils } from './market_utils';
export { rateUtils } from './rate_utils';
export { sortingUtils } from './sorting_utils';
@@ -19,7 +18,17 @@ export { ExchangeTransferSimulator } from './exchange_transfer_simulator';
export { BalanceAndProxyAllowanceLazyStore } from './store/balance_and_proxy_allowance_lazy_store';
export { OrderFilledCancelledLazyStore } from './store/order_filled_cancelled_lazy_store';
-export { Provider, JSONRPCRequestPayload, JSONRPCErrorCallback, JSONRPCResponsePayload } from 'ethereum-types';
+export { constants } from './constants';
+export { eip712Utils } from './eip712_utils';
+
+export {
+ Provider,
+ JSONRPCRequestPayload,
+ JSONRPCErrorCallback,
+ JSONRPCResponsePayload,
+ JSONRPCResponseError,
+} from 'ethereum-types';
+
export {
SignedOrder,
Order,
@@ -29,17 +38,19 @@ export {
ERC20AssetData,
ERC721AssetData,
AssetProxyId,
- SignerType,
SignatureType,
OrderStateValid,
OrderStateInvalid,
ExchangeContractErrs,
+ EIP712Parameter,
+ EIP712TypedData,
+ EIP712Types,
+ EIP712Object,
+ EIP712ObjectValue,
+ ZeroExTransaction,
} from '@0xproject/types';
export {
OrderError,
- EIP712Parameter,
- EIP712Schema,
- EIP712Types,
TradeSide,
TransferType,
FindFeeOrdersThatCoverFeesForTargetOrdersOpts,
diff --git a/packages/order-utils/src/order_factory.ts b/packages/order-utils/src/order_factory.ts
index b1292903a..0f0cd6046 100644
--- a/packages/order-utils/src/order_factory.ts
+++ b/packages/order-utils/src/order_factory.ts
@@ -1,4 +1,4 @@
-import { Order, SignedOrder, SignerType } from '@0xproject/types';
+import { Order, SignedOrder } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import { Provider } from 'ethereum-types';
import * as _ from 'lodash';
@@ -71,12 +71,7 @@ export const orderFactory = {
createOrderOpts,
);
const orderHash = orderHashUtils.getOrderHashHex(order);
- const signature = await signatureUtils.ecSignOrderHashAsync(
- provider,
- orderHash,
- makerAddress,
- SignerType.Default,
- );
+ const signature = await signatureUtils.ecSignHashAsync(provider, orderHash, makerAddress);
const signedOrder: SignedOrder = _.assign(order, { signature });
return signedOrder;
},
diff --git a/packages/order-utils/src/order_hash.ts b/packages/order-utils/src/order_hash.ts
index 8e98f8767..b523a3523 100644
--- a/packages/order-utils/src/order_hash.ts
+++ b/packages/order-utils/src/order_hash.ts
@@ -1,31 +1,13 @@
import { schemas, SchemaValidator } from '@0xproject/json-schemas';
import { Order, SignedOrder } from '@0xproject/types';
+import { signTypedDataUtils } from '@0xproject/utils';
import * as _ from 'lodash';
import { assert } from './assert';
import { eip712Utils } from './eip712_utils';
-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: 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 },
- ],
-};
-
export const orderHashUtils = {
/**
* Checks if the supplied hex encoded order hash is valid.
@@ -45,7 +27,7 @@ export const orderHashUtils = {
/**
* Computes the orderHash for a supplied order.
* @param order An object that conforms to the Order or SignedOrder interface definitions.
- * @return The resulting orderHash from hashing the supplied order.
+ * @return Hex encoded string orderHash from hashing the supplied order.
*/
getOrderHashHex(order: SignedOrder | Order): string {
try {
@@ -64,16 +46,13 @@ export const orderHashUtils = {
return orderHashHex;
},
/**
- * Computes the orderHash for a supplied order and returns it as a Buffer
+ * Computes the orderHash for a supplied order
* @param order An object that conforms to the Order or SignedOrder interface definitions.
- * @return The resulting orderHash from hashing the supplied order as a Buffer
+ * @return A Buffer containing the resulting orderHash from hashing the supplied order
*/
getOrderHashBuffer(order: SignedOrder | Order): Buffer {
- const orderParamsHashBuff = eip712Utils.structHash(EIP712_ORDER_SCHEMA, order);
- const orderHashBuff = eip712Utils.createEIP712Message(orderParamsHashBuff, order.exchangeAddress);
+ const typedData = eip712Utils.createOrderTypedData(order);
+ const orderHashBuff = signTypedDataUtils.generateTypedDataHash(typedData);
return orderHashBuff;
},
- _getOrderSchemaBuffer(): Buffer {
- return eip712Utils.compileSchema(EIP712_ORDER_SCHEMA);
- },
};
diff --git a/packages/order-utils/src/signature_utils.ts b/packages/order-utils/src/signature_utils.ts
index 3b656d3fc..372d210d0 100644
--- a/packages/order-utils/src/signature_utils.ts
+++ b/packages/order-utils/src/signature_utils.ts
@@ -1,5 +1,5 @@
import { schemas } from '@0xproject/json-schemas';
-import { ECSignature, SignatureType, SignerType, ValidatorSignature } from '@0xproject/types';
+import { ECSignature, Order, SignatureType, SignedOrder, ValidatorSignature } from '@0xproject/types';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import { Provider } from 'ethereum-types';
import * as ethUtil from 'ethereumjs-util';
@@ -7,9 +7,11 @@ import * as _ from 'lodash';
import { artifacts } from './artifacts';
import { assert } from './assert';
+import { eip712Utils } from './eip712_utils';
import { ExchangeContract } from './generated_contract_wrappers/exchange';
import { IValidatorContract } from './generated_contract_wrappers/i_validator';
import { IWalletContract } from './generated_contract_wrappers/i_wallet';
+import { orderHashUtils } from './order_hash';
import { OrderError } from './types';
import { utils } from './utils';
@@ -49,7 +51,7 @@ export const signatureUtils = {
case SignatureType.EthSign: {
const ecSignature = signatureUtils.parseECSignature(signature);
- const prefixedMessageHex = signatureUtils.addSignedMessagePrefix(data, SignerType.Default);
+ const prefixedMessageHex = signatureUtils.addSignedMessagePrefix(data);
return signatureUtils.isValidECSignature(prefixedMessageHex, ecSignature, signerAddress);
}
@@ -192,36 +194,90 @@ export const signatureUtils = {
}
},
/**
- * Signs an orderHash and returns it's elliptic curve signature and signature type.
- * This method currently supports TestRPC, Geth and Parity above and below V1.6.6
- * @param orderHash Hex encoded orderHash to sign.
+ * Signs an order and returns a SignedOrder. First `eth_signTypedData` is requested
+ * then a fallback to `eth_sign` if not available on the supplied provider.
+ * @param order The Order to sign.
* @param signerAddress The hex encoded Ethereum address you wish to sign it with. This address
- * must be available via the Provider supplied to 0x.js.
- * @param signerType Different signers add/require different prefixes to be prepended to the message being signed.
- * Since we cannot know ahead of time which signer you are using, you must supply a SignerType.
- * @return A hex encoded string containing the Elliptic curve signature generated by signing the orderHash and the Signature Type.
+ * must be available via the supplied Provider.
+ * @return A SignedOrder containing the order and Elliptic curve signature with Signature Type.
*/
- async ecSignOrderHashAsync(
- provider: Provider,
- orderHash: string,
- signerAddress: string,
- signerType: SignerType,
- ): Promise<string> {
+ async ecSignOrderAsync(provider: Provider, order: Order, signerAddress: string): Promise<SignedOrder> {
+ assert.doesConformToSchema('order', order, schemas.orderSchema, [schemas.hexSchema]);
+ try {
+ const signedOrder = await signatureUtils.ecSignTypedDataOrderAsync(provider, order, signerAddress);
+ return signedOrder;
+ } catch (err) {
+ // HACK: We are unable to handle specific errors thrown since provider is not an object
+ // under our control. It could be Metamask Web3, Ethers, or any general RPC provider.
+ // We check for a user denying the signature request in a way that supports Metamask and
+ // Coinbase Wallet. Unfortunately for signers with a different error message,
+ // they will receive two signature requests.
+ if (err.message.includes('User denied message signature')) {
+ throw err;
+ }
+ const orderHash = orderHashUtils.getOrderHashHex(order);
+ const signatureHex = await signatureUtils.ecSignHashAsync(provider, orderHash, signerAddress);
+ const signedOrder = {
+ ...order,
+ signature: signatureHex,
+ };
+ return signedOrder;
+ }
+ },
+ /**
+ * Signs an order using `eth_signTypedData` and returns a SignedOrder.
+ * @param order The Order to sign.
+ * @param signerAddress The hex encoded Ethereum address you wish to sign it with. This address
+ * must be available via the supplied Provider.
+ * @return A SignedOrder containing the order and Elliptic curve signature with Signature Type.
+ */
+ async ecSignTypedDataOrderAsync(provider: Provider, order: Order, signerAddress: string): Promise<SignedOrder> {
assert.isWeb3Provider('provider', provider);
- assert.isHexString('orderHash', orderHash);
assert.isETHAddressHex('signerAddress', signerAddress);
+ assert.doesConformToSchema('order', order, schemas.orderSchema, [schemas.hexSchema]);
const web3Wrapper = new Web3Wrapper(provider);
await assert.isSenderAddressAsync('signerAddress', signerAddress, web3Wrapper);
const normalizedSignerAddress = signerAddress.toLowerCase();
-
- let msgHashHex = orderHash;
- const prefixedMsgHashHex = signatureUtils.addSignedMessagePrefix(orderHash, signerType);
- // Metamask incorrectly implements eth_sign and does not prefix the message as per the spec
- // Source: https://github.com/MetaMask/metamask-extension/commit/a9d36860bec424dcee8db043d3e7da6a5ff5672e
- if (signerType === SignerType.Metamask) {
- msgHashHex = prefixedMsgHashHex;
+ const typedData = eip712Utils.createOrderTypedData(order);
+ try {
+ const signature = await web3Wrapper.signTypedDataAsync(normalizedSignerAddress, typedData);
+ const ecSignatureRSV = parseSignatureHexAsRSV(signature);
+ const signatureBuffer = Buffer.concat([
+ ethUtil.toBuffer(ecSignatureRSV.v),
+ ethUtil.toBuffer(ecSignatureRSV.r),
+ ethUtil.toBuffer(ecSignatureRSV.s),
+ ethUtil.toBuffer(SignatureType.EIP712),
+ ]);
+ const signatureHex = `0x${signatureBuffer.toString('hex')}`;
+ return {
+ ...order,
+ signature: signatureHex,
+ };
+ } catch (err) {
+ // Detect if Metamask to transition users to the MetamaskSubprovider
+ if ((provider as any).isMetaMask) {
+ throw new Error(OrderError.InvalidMetamaskSigner);
+ } else {
+ throw err;
+ }
}
- const signature = await web3Wrapper.signMessageAsync(normalizedSignerAddress, msgHashHex);
+ },
+ /**
+ * Signs a hash using `eth_sign` and returns its elliptic curve signature and signature type.
+ * @param msgHash Hex encoded message to sign.
+ * @param signerAddress The hex encoded Ethereum address you wish to sign it with. This address
+ * must be available via the supplied Provider.
+ * @return A hex encoded string containing the Elliptic curve signature generated by signing the msgHash and the Signature Type.
+ */
+ async ecSignHashAsync(provider: Provider, msgHash: string, signerAddress: string): Promise<string> {
+ assert.isWeb3Provider('provider', provider);
+ assert.isHexString('msgHash', msgHash);
+ assert.isETHAddressHex('signerAddress', signerAddress);
+ const web3Wrapper = new Web3Wrapper(provider);
+ await assert.isSenderAddressAsync('signerAddress', signerAddress, web3Wrapper);
+ const normalizedSignerAddress = signerAddress.toLowerCase();
+ const signature = await web3Wrapper.signMessageAsync(normalizedSignerAddress, msgHash);
+ const prefixedMsgHashHex = signatureUtils.addSignedMessagePrefix(msgHash);
// HACK: There is no consensus on whether the signatureHex string should be formatted as
// v + r + s OR r + s + v, and different clients (even different versions of the same client)
@@ -238,10 +294,7 @@ export const signatureUtils = {
normalizedSignerAddress,
);
if (isValidRSVSignature) {
- const convertedSignatureHex = signatureUtils.convertECSignatureToSignatureHex(
- ecSignatureRSV,
- signerType,
- );
+ const convertedSignatureHex = signatureUtils.convertECSignatureToSignatureHex(ecSignatureRSV);
return convertedSignatureHex;
}
}
@@ -253,41 +306,30 @@ export const signatureUtils = {
normalizedSignerAddress,
);
if (isValidVRSSignature) {
- const convertedSignatureHex = signatureUtils.convertECSignatureToSignatureHex(
- ecSignatureVRS,
- signerType,
- );
+ const convertedSignatureHex = signatureUtils.convertECSignatureToSignatureHex(ecSignatureVRS);
return convertedSignatureHex;
}
}
-
- throw new Error(OrderError.InvalidSignature);
+ // Detect if Metamask to transition users to the MetamaskSubprovider
+ if ((provider as any).isMetaMask) {
+ throw new Error(OrderError.InvalidMetamaskSigner);
+ } else {
+ throw new Error(OrderError.InvalidSignature);
+ }
},
/**
- * Combines ECSignature with V,R,S and the relevant signature type for use in 0x protocol
+ * Combines ECSignature with V,R,S and the EthSign signature type for use in 0x protocol
* @param ecSignature The ECSignature of the signed data
- * @param signerType The SignerType of the signed data
* @return Hex encoded string of signature (v,r,s) with Signature Type
*/
- convertECSignatureToSignatureHex(ecSignature: ECSignature, signerType: SignerType): string {
+ convertECSignatureToSignatureHex(ecSignature: ECSignature): string {
const signatureBuffer = Buffer.concat([
ethUtil.toBuffer(ecSignature.v),
ethUtil.toBuffer(ecSignature.r),
ethUtil.toBuffer(ecSignature.s),
]);
const signatureHex = `0x${signatureBuffer.toString('hex')}`;
- let signatureType;
- switch (signerType) {
- case SignerType.Metamask:
- case SignerType.Ledger:
- case SignerType.Default: {
- signatureType = SignatureType.EthSign;
- break;
- }
- default:
- throw new Error(`Unrecognized SignerType: ${signerType}`);
- }
- const signatureWithType = signatureUtils.convertToSignatureWithType(signatureHex, signatureType);
+ const signatureWithType = signatureUtils.convertToSignatureWithType(signatureHex, SignatureType.EthSign);
return signatureWithType;
},
/**
@@ -304,28 +346,17 @@ export const signatureUtils = {
/**
* Adds the relevant prefix to the message being signed.
* @param message Message to sign
- * @param signerType The type of message prefix to add for a given SignerType. Different signers expect
- * specific message prefixes.
* @return Prefixed message
*/
- addSignedMessagePrefix(message: string, signerType: SignerType = SignerType.Default): string {
+ addSignedMessagePrefix(message: string): string {
assert.isString('message', message);
- assert.doesBelongToStringEnum('signerType', signerType, SignerType);
- switch (signerType) {
- case SignerType.Metamask:
- case SignerType.Ledger:
- case SignerType.Default: {
- const msgBuff = ethUtil.toBuffer(message);
- const prefixedMsgBuff = ethUtil.hashPersonalMessage(msgBuff);
- const prefixedMsgHex = ethUtil.bufferToHex(prefixedMsgBuff);
- return prefixedMsgHex;
- }
- default:
- throw new Error(`Unrecognized SignerType: ${signerType}`);
- }
+ const msgBuff = ethUtil.toBuffer(message);
+ const prefixedMsgBuff = ethUtil.hashPersonalMessage(msgBuff);
+ const prefixedMsgHex = ethUtil.bufferToHex(prefixedMsgBuff);
+ return prefixedMsgHex;
},
/**
- * Parse a 0x protocol hex-encoded signature string into it's ECSignature components
+ * Parse a 0x protocol hex-encoded signature string into its ECSignature components
* @param signature A hex encoded ecSignature 0x Protocol signature
* @return An ECSignature object with r,s,v parameters
*/
diff --git a/packages/order-utils/src/types.ts b/packages/order-utils/src/types.ts
index a843efaa4..5b13dd754 100644
--- a/packages/order-utils/src/types.ts
+++ b/packages/order-utils/src/types.ts
@@ -2,6 +2,7 @@ import { BigNumber } from '@0xproject/utils';
export enum OrderError {
InvalidSignature = 'INVALID_SIGNATURE',
+ InvalidMetamaskSigner = "MetaMask provider must be wrapped in a MetamaskSubprovider (from the '@0xproject/subproviders' package) in order to work with this method.",
}
export enum TradeSide {
@@ -14,24 +15,6 @@ export enum TransferType {
Fee = 'fee',
}
-export interface EIP712Parameter {
- name: string;
- type: EIP712Types;
-}
-
-export interface EIP712Schema {
- name: string;
- parameters: EIP712Parameter[];
-}
-
-export enum EIP712Types {
- Address = 'address',
- Bytes = 'bytes',
- Bytes32 = 'bytes32',
- String = 'string',
- Uint256 = 'uint256',
-}
-
export interface CreateOrderOpts {
takerAddress?: string;
senderAddress?: string;
diff --git a/packages/order-utils/test/eip712_utils_test.ts b/packages/order-utils/test/eip712_utils_test.ts
new file mode 100644
index 000000000..d65cabe9c
--- /dev/null
+++ b/packages/order-utils/test/eip712_utils_test.ts
@@ -0,0 +1,44 @@
+import { BigNumber } from '@0xproject/utils';
+import * as chai from 'chai';
+import 'mocha';
+
+import { constants } from '../src/constants';
+import { eip712Utils } from '../src/eip712_utils';
+
+import { chaiSetup } from './utils/chai_setup';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+describe('EIP712 Utils', () => {
+ describe('createTypedData', () => {
+ it('adds in the EIP712DomainSeparator', () => {
+ const primaryType = 'Test';
+ const typedData = eip712Utils.createTypedData(
+ primaryType,
+ { Test: [{ name: 'testValue', type: 'uint256' }] },
+ { testValue: '1' },
+ constants.NULL_ADDRESS,
+ );
+ expect(typedData.domain).to.not.be.undefined();
+ expect(typedData.types.EIP712Domain).to.not.be.undefined();
+ const domainObject = typedData.domain;
+ expect(domainObject.name).to.eq(constants.EIP712_DOMAIN_NAME);
+ expect(typedData.primaryType).to.eq(primaryType);
+ });
+ });
+ describe('createTypedData', () => {
+ it('adds in the EIP712DomainSeparator', () => {
+ const typedData = eip712Utils.createZeroExTransactionTypedData(
+ {
+ salt: new BigNumber('0'),
+ data: constants.NULL_BYTES,
+ signerAddress: constants.NULL_ADDRESS,
+ },
+ constants.NULL_ADDRESS,
+ );
+ expect(typedData.primaryType).to.eq(constants.EIP712_ZEROEX_TRANSACTION_SCHEMA.name);
+ expect(typedData.types.EIP712Domain).to.not.be.undefined();
+ });
+ });
+});
diff --git a/packages/order-utils/test/order_hash_test.ts b/packages/order-utils/test/order_hash_test.ts
index 3fdbbad21..fe44218d6 100644
--- a/packages/order-utils/test/order_hash_test.ts
+++ b/packages/order-utils/test/order_hash_test.ts
@@ -35,6 +35,20 @@ describe('Order hashing', () => {
const orderHash = orderHashUtils.getOrderHashHex(order);
expect(orderHash).to.be.equal(expectedOrderHash);
});
+ it('calculates the order hash if amounts are strings', async () => {
+ // It's common for developers using javascript to provide the amounts
+ // as strings. Since we eventually toString() the BigNumber
+ // before encoding we should result in the same orderHash in this scenario
+ // tslint:disable-next-line:no-unnecessary-type-assertion
+ const orderHash = orderHashUtils.getOrderHashHex({
+ ...order,
+ makerAssetAmount: '0',
+ takerAssetAmount: '0',
+ makerFee: '0',
+ takerFee: '0',
+ } as any);
+ expect(orderHash).to.be.equal(expectedOrderHash);
+ });
it('throws a readable error message if taker format is invalid', async () => {
const orderWithInvalidtakerFormat = {
...order,
diff --git a/packages/order-utils/test/signature_utils_test.ts b/packages/order-utils/test/signature_utils_test.ts
index 2ca1109a1..f2d6790fb 100644
--- a/packages/order-utils/test/signature_utils_test.ts
+++ b/packages/order-utils/test/signature_utils_test.ts
@@ -1,12 +1,13 @@
-import { SignerType } from '@0xproject/types';
+import { Order, SignatureType } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import * as chai from 'chai';
import { JSONRPCErrorCallback, JSONRPCRequestPayload } from 'ethereum-types';
+import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
import 'mocha';
-import * as Sinon from 'sinon';
-import { generatePseudoRandomSalt } from '../src';
+import { generatePseudoRandomSalt, orderHashUtils } from '../src';
+import { constants } from '../src/constants';
import { signatureUtils } from '../src/signature_utils';
import { chaiSetup } from './utils/chai_setup';
@@ -16,6 +17,28 @@ chaiSetup.configure();
const expect = chai.expect;
describe('Signature utils', () => {
+ let makerAddress: string;
+ const fakeExchangeContractAddress = '0x1dc4c1cefef38a777b15aa20260a54e584b16c48';
+ let order: Order;
+ before(async () => {
+ const availableAddreses = await web3Wrapper.getAvailableAddressesAsync();
+ makerAddress = availableAddreses[0];
+ order = {
+ makerAddress,
+ takerAddress: constants.NULL_ADDRESS,
+ senderAddress: constants.NULL_ADDRESS,
+ feeRecipientAddress: constants.NULL_ADDRESS,
+ makerAssetData: constants.NULL_ADDRESS,
+ takerAssetData: constants.NULL_ADDRESS,
+ exchangeAddress: fakeExchangeContractAddress,
+ salt: new BigNumber(0),
+ makerFee: new BigNumber(0),
+ takerFee: new BigNumber(0),
+ makerAssetAmount: new BigNumber(0),
+ takerAssetAmount: new BigNumber(0),
+ expirationTimeSeconds: new BigNumber(0),
+ };
+ });
describe('#isValidSignatureAsync', () => {
let dataHex = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
const ethSignSignature =
@@ -115,28 +138,64 @@ describe('Signature utils', () => {
expect(salt.lessThan(twoPow256)).to.be.true();
});
});
- describe('#ecSignOrderHashAsync', () => {
- let stubs: Sinon.SinonStub[] = [];
- let makerAddress: string;
+ describe('#ecSignOrderAsync', () => {
+ it('should default to eth_sign if eth_signTypedData is unavailable', async () => {
+ const expectedSignature =
+ '0x1c3582f06356a1314dbf1c0e534c4d8e92e59b056ee607a7ff5a825f5f2cc5e6151c5cc7fdd420f5608e4d5bef108e42ad90c7a4b408caef32e24374cf387b0d7603';
+
+ const fakeProvider = {
+ async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback): Promise<void> {
+ if (payload.method === 'eth_signTypedData') {
+ callback(new Error('Internal RPC Error'));
+ } else if (payload.method === 'eth_sign') {
+ const [address, message] = payload.params;
+ const signature = await web3Wrapper.signMessageAsync(address, message);
+ callback(null, {
+ id: 42,
+ jsonrpc: '2.0',
+ result: signature,
+ });
+ } else {
+ callback(null, { id: 42, jsonrpc: '2.0', result: [makerAddress] });
+ }
+ },
+ };
+ const signedOrder = await signatureUtils.ecSignOrderAsync(fakeProvider, order, makerAddress);
+ expect(signedOrder.signature).to.equal(expectedSignature);
+ });
+ it('should throw if the user denies the signing request', async () => {
+ const fakeProvider = {
+ async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback): Promise<void> {
+ if (payload.method === 'eth_signTypedData') {
+ callback(new Error('User denied message signature'));
+ } else if (payload.method === 'eth_sign') {
+ const [address, message] = payload.params;
+ const signature = await web3Wrapper.signMessageAsync(address, message);
+ callback(null, {
+ id: 42,
+ jsonrpc: '2.0',
+ result: signature,
+ });
+ } else {
+ callback(null, { id: 42, jsonrpc: '2.0', result: [makerAddress] });
+ }
+ },
+ };
+ expect(signatureUtils.ecSignOrderAsync(fakeProvider, order, makerAddress)).to.to.be.rejectedWith(
+ 'User denied message signature',
+ );
+ });
+ });
+ describe('#ecSignHashAsync', () => {
before(async () => {
const availableAddreses = await web3Wrapper.getAvailableAddressesAsync();
makerAddress = availableAddreses[0];
});
- afterEach(() => {
- // clean up any stubs after the test has completed
- _.each(stubs, s => s.restore());
- stubs = [];
- });
- it('Should return the correct Signature', async () => {
+ it('should return the correct Signature', async () => {
const orderHash = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
const expectedSignature =
'0x1b61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace225403';
- const ecSignature = await signatureUtils.ecSignOrderHashAsync(
- provider,
- orderHash,
- makerAddress,
- SignerType.Default,
- );
+ const ecSignature = await signatureUtils.ecSignHashAsync(provider, orderHash, makerAddress);
expect(ecSignature).to.equal(expectedSignature);
});
it('should return the correct Signature for signatureHex concatenated as R + S + V', async () => {
@@ -162,12 +221,7 @@ describe('Signature utils', () => {
}
},
};
- const ecSignature = await signatureUtils.ecSignOrderHashAsync(
- fakeProvider,
- orderHash,
- makerAddress,
- SignerType.Default,
- );
+ const ecSignature = await signatureUtils.ecSignHashAsync(fakeProvider, orderHash, makerAddress);
expect(ecSignature).to.equal(expectedSignature);
});
it('should return the correct Signature for signatureHex concatenated as V + R + S', async () => {
@@ -190,64 +244,68 @@ describe('Signature utils', () => {
},
};
- const ecSignature = await signatureUtils.ecSignOrderHashAsync(
- fakeProvider,
+ const ecSignature = await signatureUtils.ecSignHashAsync(fakeProvider, orderHash, makerAddress);
+ expect(ecSignature).to.equal(expectedSignature);
+ });
+ it('should return a valid signature', async () => {
+ const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
+ const ecSignature = await signatureUtils.ecSignHashAsync(provider, orderHash, makerAddress);
+
+ const isValidSignature = await signatureUtils.isValidSignatureAsync(
+ provider,
orderHash,
+ ecSignature,
makerAddress,
- SignerType.Default,
);
- expect(ecSignature).to.equal(expectedSignature);
+ expect(isValidSignature).to.be.true();
});
- // Note this is due to a bug in Metamask where it does not prefix before signing, this is a known issue and is to be fixed in the future
- // Source: https://github.com/MetaMask/metamask-extension/commit/a9d36860bec424dcee8db043d3e7da6a5ff5672e
- it('should receive a payload modified with a prefix when Metamask is SignerType', async () => {
- const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
- const orderHashPrefixed = '0xae70f31d26096291aa681b26cb7574563956221d0b4213631e1ef9df675d4cba';
+ });
+ describe('#ecSignTypedDataOrderAsync', () => {
+ it('should result in the same signature as signing the order hash without an ethereum message prefix', async () => {
+ // Note: Since order hash is an EIP712 hash the result of a valid EIP712 signature
+ // of order hash is the same as signing the order without the Ethereum Message prefix.
+ const orderHashHex = orderHashUtils.getOrderHashHex(order);
+ const sig = ethUtil.ecsign(
+ ethUtil.toBuffer(orderHashHex),
+ Buffer.from('F2F48EE19680706196E2E339E5DA3491186E0C4C5030670656B0E0164837257D', 'hex'),
+ );
+ const signatureBuffer = Buffer.concat([
+ ethUtil.toBuffer(sig.v),
+ ethUtil.toBuffer(sig.r),
+ ethUtil.toBuffer(sig.s),
+ ethUtil.toBuffer(SignatureType.EIP712),
+ ]);
+ const signatureHex = `0x${signatureBuffer.toString('hex')}`;
+ const signedOrder = await signatureUtils.ecSignTypedDataOrderAsync(provider, order, makerAddress);
+ const isValidSignature = await signatureUtils.isValidSignatureAsync(
+ provider,
+ orderHashHex,
+ signedOrder.signature,
+ makerAddress,
+ );
+ expect(signatureHex).to.eq(signedOrder.signature);
+ expect(isValidSignature).to.eq(true);
+ });
+ it('should return the correct Signature for signatureHex concatenated as R + S + V', async () => {
const expectedSignature =
- '0x1b117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d872871137feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b03';
- // Generated from a MM eth_sign request from 0x5409ed021d9299bf6814279a6a1411a7e866a631 signing 0xae70f31d26096291aa681b26cb7574563956221d0b4213631e1ef9df675d4cba
- const metamaskSignature =
- '0x117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d872871137feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b1b';
+ '0x1cd472c439833774b55d248c31b6585f21aea1b9363ebb4ec58549e46b62eb5a6f696f5781f62de008ee7f77650ef940d99c97ec1dee67b3f5cea1bbfdfeb2eba602';
const fakeProvider = {
async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback): Promise<void> {
- if (payload.method === 'eth_sign') {
- const [, message] = payload.params;
- expect(message).to.equal(orderHashPrefixed);
+ if (payload.method === 'eth_signTypedData') {
+ const [address, typedData] = payload.params;
+ const signature = await web3Wrapper.signTypedDataAsync(address, typedData);
callback(null, {
id: 42,
jsonrpc: '2.0',
- result: metamaskSignature,
+ result: signature,
});
} else {
callback(null, { id: 42, jsonrpc: '2.0', result: [makerAddress] });
}
},
};
-
- const ecSignature = await signatureUtils.ecSignOrderHashAsync(
- fakeProvider,
- orderHash,
- makerAddress,
- SignerType.Metamask,
- );
- expect(ecSignature).to.equal(expectedSignature);
- });
- it('should return a valid signature', async () => {
- const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
- const ecSignature = await signatureUtils.ecSignOrderHashAsync(
- provider,
- orderHash,
- makerAddress,
- SignerType.Default,
- );
-
- const isValidSignature = await signatureUtils.isValidSignatureAsync(
- provider,
- orderHash,
- ecSignature,
- makerAddress,
- );
- expect(isValidSignature).to.be.true();
+ const signedOrder = await signatureUtils.ecSignTypedDataOrderAsync(fakeProvider, order, makerAddress);
+ expect(signedOrder.signature).to.equal(expectedSignature);
});
});
describe('#convertECSignatureToSignatureHex', () => {
@@ -256,38 +314,11 @@ describe('Signature utils', () => {
r: '0xaca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d64393',
s: '0x46b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf2',
};
- it('should concatenate v,r,s and append the EthSign signature type when SignerType is Default', async () => {
+ it('should concatenate v,r,s and append the EthSign signature type', async () => {
const expectedSignatureWithSignatureType =
'0x1baca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d6439346b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf203';
- const signatureWithSignatureType = signatureUtils.convertECSignatureToSignatureHex(
- ecSignature,
- SignerType.Default,
- );
+ const signatureWithSignatureType = signatureUtils.convertECSignatureToSignatureHex(ecSignature);
expect(signatureWithSignatureType).to.equal(expectedSignatureWithSignatureType);
});
- it('should concatenate v,r,s and append the EthSign signature type when SignerType is Ledger', async () => {
- const expectedSignatureWithSignatureType =
- '0x1baca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d6439346b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf203';
- const signatureWithSignatureType = signatureUtils.convertECSignatureToSignatureHex(
- ecSignature,
- SignerType.Ledger,
- );
- expect(signatureWithSignatureType).to.equal(expectedSignatureWithSignatureType);
- });
- it('should concatenate v,r,s and append the EthSign signature type when SignerType is Metamask', async () => {
- const expectedSignatureWithSignatureType =
- '0x1baca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d6439346b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf203';
- const signatureWithSignatureType = signatureUtils.convertECSignatureToSignatureHex(
- ecSignature,
- SignerType.Metamask,
- );
- expect(signatureWithSignatureType).to.equal(expectedSignatureWithSignatureType);
- });
- it('should throw if the SignerType is invalid', async () => {
- const expectedMessage = 'Unrecognized SignerType: INVALID_SIGNER';
- expect(() =>
- signatureUtils.convertECSignatureToSignatureHex(ecSignature, 'INVALID_SIGNER' as SignerType),
- ).to.throw(expectedMessage);
- });
});
});
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 21:25:54 +0800