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-rw-r--r--packages/order-utils/src/index.ts10
-rw-r--r--packages/order-utils/src/order_factory.ts15
-rw-r--r--packages/order-utils/src/signature_utils.ts80
-rw-r--r--packages/order-utils/src/types.ts22
4 files changed, 62 insertions, 65 deletions
diff --git a/packages/order-utils/src/index.ts b/packages/order-utils/src/index.ts
index 858f500c6..681fbc904 100644
--- a/packages/order-utils/src/index.ts
+++ b/packages/order-utils/src/index.ts
@@ -13,15 +13,7 @@ export { orderFactory } from './order_factory';
export { constants } from './constants';
export { crypto } from './crypto';
export { generatePseudoRandomSalt } from './salt';
-export {
- CreateOrderOpts,
- OrderError,
- MessagePrefixType,
- MessagePrefixOpts,
- EIP712Parameter,
- EIP712Schema,
- EIP712Types,
-} from './types';
+export { CreateOrderOpts, OrderError, 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 { BalanceAndProxyAllowanceLazyStore } from './store/balance_and_proxy_allowance_lazy_store';
diff --git a/packages/order-utils/src/order_factory.ts b/packages/order-utils/src/order_factory.ts
index 14727fd97..bd6bb84b8 100644
--- a/packages/order-utils/src/order_factory.ts
+++ b/packages/order-utils/src/order_factory.ts
@@ -1,14 +1,13 @@
-import { ECSignature, Order, SignedOrder } from '@0xproject/types';
+import { Order, SignedOrder, SignerProviderType } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import { Provider } from 'ethereum-types';
-import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
import { constants } from './constants';
import { orderHashUtils } from './order_hash';
import { generatePseudoRandomSalt } from './salt';
import { ecSignOrderHashAsync } from './signature_utils';
-import { CreateOrderOpts, MessagePrefixType } from './types';
+import { CreateOrderOpts } from './types';
export const orderFactory = {
createOrder(
@@ -59,16 +58,12 @@ export const orderFactory = {
createOrderOpts,
);
const orderHash = orderHashUtils.getOrderHashHex(order);
- const messagePrefixOpts = {
- prefixType: MessagePrefixType.EthSign,
- shouldAddPrefixBeforeCallingEthSign: false,
- };
- const ecSignature = await ecSignOrderHashAsync(provider, orderHash, makerAddress, messagePrefixOpts);
- const signature = getVRSHexString(ecSignature);
+ const signature = await ecSignOrderHashAsync(provider, orderHash, makerAddress, SignerProviderType.EthSign);
const signedOrder: SignedOrder = _.assign(order, { signature });
return signedOrder;
},
};
+<<<<<<< HEAD
function generateDefaultCreateOrderOpts(): {
takerAddress: string;
@@ -102,3 +97,5 @@ function intToHex(i: number): string {
const hex = ethUtil.bufferToHex(ethUtil.toBuffer(i));
return hex;
}
+=======
+>>>>>>> Introduce SignerProviderType
diff --git a/packages/order-utils/src/signature_utils.ts b/packages/order-utils/src/signature_utils.ts
index 26fb24705..3237259c9 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, ValidatorSignature } from '@0xproject/types';
+import { ECSignature, SignatureType, SignerProviderType, ValidatorSignature } from '@0xproject/types';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import { Provider } from 'ethereum-types';
import * as ethUtil from 'ethereumjs-util';
@@ -10,7 +10,7 @@ import { assert } from './assert';
import { ExchangeContract } from './generated_contract_wrappers/exchange';
import { IValidatorContract } from './generated_contract_wrappers/i_validator';
import { IWalletContract } from './generated_contract_wrappers/i_wallet';
-import { MessagePrefixOpts, MessagePrefixType, OrderError } from './types';
+import { OrderError } from './types';
import { utils } from './utils';
/**
@@ -48,7 +48,7 @@ export async function isValidSignatureAsync(
case SignatureType.EthSign: {
const ecSignature = parseECSignature(signature);
- const prefixedMessageHex = addSignedMessagePrefix(data, MessagePrefixType.EthSign);
+ const prefixedMessageHex = addSignedMessagePrefix(data, SignerProviderType.EthSign);
return isValidECSignature(prefixedMessageHex, ecSignature, signerAddress);
}
@@ -72,7 +72,7 @@ export async function isValidSignatureAsync(
}
case SignatureType.Trezor: {
- const prefixedMessageHex = addSignedMessagePrefix(data, MessagePrefixType.Trezor);
+ const prefixedMessageHex = addSignedMessagePrefix(data, SignerProviderType.Trezor);
const ecSignature = parseECSignature(signature);
return isValidECSignature(prefixedMessageHex, ecSignature, signerAddress);
}
@@ -191,22 +191,22 @@ export function isValidECSignature(data: string, signature: ECSignature, signerA
}
/**
- * Signs an orderHash and returns it's elliptic curve signature.
+ * 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.
* @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 hashPrefixOpts Different signers add/require different prefixes be appended to the message being signed.
+ * @param messagePrefixOpts Different signers add/require different prefixes be prepended to the message being signed.
* Since we cannot know ahead of time which signer you are using, you must supply both a prefixType and
* whether it must be added before calling `eth_sign` (some signers add it themselves)
- * @return An object containing the Elliptic curve signature parameters generated by signing the orderHash.
+ * @return A hex encoded string containing the Elliptic curve signature generated by signing the orderHash and the Signature Type.
*/
export async function ecSignOrderHashAsync(
provider: Provider,
orderHash: string,
signerAddress: string,
- messagePrefixOpts: MessagePrefixOpts,
-): Promise<ECSignature> {
+ signerProviderType: SignerProviderType,
+): Promise<string> {
assert.isWeb3Provider('provider', provider);
assert.isHexString('orderHash', orderHash);
assert.isETHAddressHex('signerAddress', signerAddress);
@@ -215,8 +215,9 @@ export async function ecSignOrderHashAsync(
const normalizedSignerAddress = signerAddress.toLowerCase();
let msgHashHex = orderHash;
- const prefixedMsgHashHex = addSignedMessagePrefix(orderHash, messagePrefixOpts.prefixType);
- if (messagePrefixOpts.shouldAddPrefixBeforeCallingEthSign) {
+ const prefixedMsgHashHex = addSignedMessagePrefix(orderHash, signerProviderType);
+ // Metamask incorrectly implements eth_sign and does not prefix the message as per the spec
+ if (signerProviderType === SignerProviderType.Metamask) {
msgHashHex = prefixedMsgHashHex;
}
const signature = await web3Wrapper.signMessageAsync(normalizedSignerAddress, msgHashHex);
@@ -231,7 +232,8 @@ export async function ecSignOrderHashAsync(
if (_.includes(validVParamValues, ecSignatureVRS.v)) {
const isValidVRSSignature = isValidECSignature(prefixedMsgHashHex, ecSignatureVRS, normalizedSignerAddress);
if (isValidVRSSignature) {
- return ecSignatureVRS;
+ const convertedSignatureHex = convertECSignatureToSignatureHex(ecSignatureVRS, signerProviderType);
+ return convertedSignatureHex;
}
}
@@ -239,13 +241,45 @@ export async function ecSignOrderHashAsync(
if (_.includes(validVParamValues, ecSignatureRSV.v)) {
const isValidRSVSignature = isValidECSignature(prefixedMsgHashHex, ecSignatureRSV, normalizedSignerAddress);
if (isValidRSVSignature) {
- return ecSignatureRSV;
+ const convertedSignatureHex = convertECSignatureToSignatureHex(ecSignatureRSV, signerProviderType);
+ return convertedSignatureHex;
}
}
throw new Error(OrderError.InvalidSignature);
}
-
+/**
+ * Combines ECSignature with V,R,S and the relevant signature type for use in 0x protocol
+ * @param ecSignature The ECSignature of the signed data
+ * @param messagePrefixType The MessagePrefixType of the signed data
+ * @return Hex encoded string of signature with Signature Type
+ */
+export function convertECSignatureToSignatureHex(
+ ecSignature: ECSignature,
+ signerProviderType: SignerProviderType,
+): string {
+ const signatureBuffer = Buffer.concat([
+ ethUtil.toBuffer(ecSignature.v),
+ ethUtil.toBuffer(ecSignature.r),
+ ethUtil.toBuffer(ecSignature.s),
+ ]);
+ const signatureHex = `0x${signatureBuffer.toString('hex')}`;
+ const signatureType =
+ signerProviderType === SignerProviderType.Trezor ? SignatureType.Trezor : SignatureType.EthSign;
+ const signatureWithType = convertToSignatureWithType(signatureHex, signatureType);
+ return signatureWithType;
+}
+/**
+ * Combines the signature proof and the Signature Type.
+ * @param signature The hex encoded signature proof
+ * @param type The signature type, i.e EthSign, Trezor, Wallet etc.
+ * @return Hex encoded string of signature proof with Signature Type
+ */
+export function convertToSignatureWithType(signature: string, type: SignatureType): string {
+ const signatureBuffer = Buffer.concat([ethUtil.toBuffer(signature), ethUtil.toBuffer(type)]);
+ const signatureHex = `0x${signatureBuffer.toString('hex')}`;
+ return signatureHex;
+}
/**
* Adds the relevant prefix to the message being signed.
* @param message Message to sign
@@ -253,29 +287,25 @@ export async function ecSignOrderHashAsync(
* specific message prefixes.
* @return Prefixed message
*/
-export function addSignedMessagePrefix(message: string, messagePrefixType: MessagePrefixType): string {
+export function addSignedMessagePrefix(message: string, signerProviderType: SignerProviderType): string {
assert.isString('message', message);
- assert.doesBelongToStringEnum('messagePrefixType', messagePrefixType, MessagePrefixType);
- switch (messagePrefixType) {
- case MessagePrefixType.None:
- return message;
-
- case MessagePrefixType.EthSign: {
+ assert.doesBelongToStringEnum('signerProviderType', signerProviderType, SignerProviderType);
+ switch (signerProviderType) {
+ case SignerProviderType.Metamask:
+ case SignerProviderType.EthSign: {
const msgBuff = ethUtil.toBuffer(message);
const prefixedMsgBuff = ethUtil.hashPersonalMessage(msgBuff);
const prefixedMsgHex = ethUtil.bufferToHex(prefixedMsgBuff);
return prefixedMsgHex;
}
-
- case MessagePrefixType.Trezor: {
+ case SignerProviderType.Trezor: {
const msgBuff = ethUtil.toBuffer(message);
const prefixedMsgBuff = hashTrezorPersonalMessage(msgBuff);
const prefixedMsgHex = ethUtil.bufferToHex(prefixedMsgBuff);
return prefixedMsgHex;
}
-
default:
- throw new Error(`Unrecognized MessagePrefixType: ${messagePrefixType}`);
+ throw new Error(`Unrecognized SignerProviderType: ${signerProviderType}`);
}
}
diff --git a/packages/order-utils/src/types.ts b/packages/order-utils/src/types.ts
index f44e94349..1fbd8cf7b 100644
--- a/packages/order-utils/src/types.ts
+++ b/packages/order-utils/src/types.ts
@@ -4,28 +4,6 @@ export enum OrderError {
InvalidSignature = 'INVALID_SIGNATURE',
}
-/**
- * The requisite message prefix (is any) to add to an `eth_sign` request.
- */
-export enum MessagePrefixType {
- None = 'NONE',
- EthSign = 'ETH_SIGN',
- Trezor = 'TREZOR',
-}
-
-/**
- * Options related to message prefixing of messages sent to `eth_sign`
- * Some signers prepend a message prefix (e.g Parity Signer, Ledger, TestRPC), while
- * others require it already be prepended (e.g Metamask). In addition, different signers
- * expect slightly different prefixes (See: https://github.com/ethereum/go-ethereum/issues/14794).
- * Depending on the signer that will receive your signing request, you must specify the
- * desired prefix and whether it should be added before making the `eth_sign` request.
- */
-export interface MessagePrefixOpts {
- prefixType: MessagePrefixType;
- shouldAddPrefixBeforeCallingEthSign: boolean;
-}
-
export enum TradeSide {
Maker = 'maker',
Taker = 'taker',
generated by cgit (git 2.34.1) at 2024-11-17 22:12:25 +0800