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-rw-r--r--packages/0x.js/src/0x.ts108
1 files changed, 36 insertions, 72 deletions
diff --git a/packages/0x.js/src/0x.ts b/packages/0x.js/src/0x.ts
index 94d97c23e..78f9f6beb 100644
--- a/packages/0x.js/src/0x.ts
+++ b/packages/0x.js/src/0x.ts
@@ -1,4 +1,11 @@
import { schemas, SchemaValidator } from '@0xproject/json-schemas';
+import {
+ generatePseudoRandomSalt,
+ getOrderHashHex,
+ isValidOrderHash,
+ isValidSignature,
+ signOrderHashAsync,
+} from '@0xproject/order-utils';
import { ECSignature, Order, Provider, SignedOrder, TransactionReceiptWithDecodedLogs } from '@0xproject/types';
import { AbiDecoder, BigNumber, intervalUtils } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
@@ -19,7 +26,6 @@ import { OrderStateWatcherConfig, ZeroExConfig, ZeroExError } from './types';
import { assert } from './utils/assert';
import { constants } from './utils/constants';
import { decorators } from './utils/decorators';
-import { signatureUtils } from './utils/signature_utils';
import { utils } from './utils/utils';
/**
@@ -33,7 +39,6 @@ export class ZeroEx {
* this constant for your convenience.
*/
public static NULL_ADDRESS = constants.NULL_ADDRESS;
-
/**
* An instance of the ExchangeWrapper class containing methods for interacting with the 0x Exchange smart contract.
*/
@@ -59,6 +64,15 @@ export class ZeroEx {
public proxy: TokenTransferProxyWrapper;
private _web3Wrapper: Web3Wrapper;
/**
+ * Generates a pseudo-random 256-bit salt.
+ * The salt can be included in a 0x order, ensuring that the order generates a unique orderHash
+ * and will not collide with other outstanding orders that are identical in all other parameters.
+ * @return A pseudo-random 256-bit number that can be used as a salt.
+ */
+ public static generatePseudoRandomSalt(): BigNumber {
+ return generatePseudoRandomSalt();
+ }
+ /**
* Verifies that the elliptic curve signature `signature` was generated
* by signing `data` with the private key corresponding to the `signerAddress` address.
* @param data The hex encoded data signed by the supplied signature.
@@ -67,27 +81,15 @@ export class ZeroEx {
* @return Whether the signature is valid for the supplied signerAddress and data.
*/
public static isValidSignature(data: string, signature: ECSignature, signerAddress: string): boolean {
- assert.isHexString('data', data);
- assert.doesConformToSchema('signature', signature, schemas.ecSignatureSchema);
- assert.isETHAddressHex('signerAddress', signerAddress);
- const normalizedSignerAddress = signerAddress.toLowerCase();
-
- const isValidSignature = signatureUtils.isValidSignature(data, signature, normalizedSignerAddress);
- return isValidSignature;
+ return isValidSignature(data, signature, signerAddress);
}
/**
- * Generates a pseudo-random 256-bit salt.
- * The salt can be included in a 0x order, ensuring that the order generates a unique orderHash
- * and will not collide with other outstanding orders that are identical in all other parameters.
- * @return A pseudo-random 256-bit number that can be used as a salt.
+ * 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.
*/
- public static generatePseudoRandomSalt(): BigNumber {
- // BigNumber.random returns a pseudo-random number between 0 & 1 with a passed in number of decimal places.
- // Source: https://mikemcl.github.io/bignumber.js/#random
- const randomNumber = BigNumber.random(constants.MAX_DIGITS_IN_UNSIGNED_256_INT);
- const factor = new BigNumber(10).pow(constants.MAX_DIGITS_IN_UNSIGNED_256_INT - 1);
- const salt = randomNumber.times(factor).round();
- return salt;
+ public static getOrderHashHex(order: Order | SignedOrder): string {
+ return getOrderHashHex(order);
}
/**
* Checks if the supplied hex encoded order hash is valid.
@@ -97,12 +99,7 @@ export class ZeroEx {
* @return Whether the supplied orderHash has the expected format.
*/
public static isValidOrderHash(orderHash: string): boolean {
- // Since this method can be called to check if any arbitrary string conforms to an orderHash's
- // format, we only assert that we were indeed passed a string.
- assert.isString('orderHash', orderHash);
- const schemaValidator = new SchemaValidator();
- const isValidOrderHash = schemaValidator.validate(orderHash, schemas.orderHashSchema).valid;
- return isValidOrderHash;
+ return isValidOrderHash(orderHash);
}
/**
* A unit amount is defined as the amount of a token above the specified decimal places (integer part).
@@ -133,17 +130,6 @@ export class ZeroEx {
return baseUnitAmount;
}
/**
- * 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.
- */
- @decorators.syncZeroExErrorHandler
- public static getOrderHashHex(order: Order | SignedOrder): string {
- assert.doesConformToSchema('order', order, schemas.orderSchema);
- const orderHashHex = utils.getOrderHashHex(order);
- return orderHashHex;
- }
- /**
* Instantiates a new ZeroEx instance that provides the public interface to the 0x.js library.
* @param provider The Provider instance you would like the 0x.js library to use for interacting with
* the Ethereum network.
@@ -205,6 +191,13 @@ export class ZeroEx {
(this.etherToken as any)._setNetworkId(networkId);
}
/**
+ * Get the provider instance currently used by 0x.js
+ * @return Web3 provider instance
+ */
+ public getProvider(): Provider {
+ return this._web3Wrapper.getProvider();
+ }
+ /**
* Get user Ethereum addresses available through the supplied web3 provider available for sending transactions.
* @return An array of available user Ethereum addresses.
*/
@@ -229,41 +222,12 @@ export class ZeroEx {
signerAddress: string,
shouldAddPersonalMessagePrefix: boolean,
): Promise<ECSignature> {
- assert.isHexString('orderHash', orderHash);
- await assert.isSenderAddressAsync('signerAddress', signerAddress, this._web3Wrapper);
- const normalizedSignerAddress = signerAddress.toLowerCase();
-
- let msgHashHex = orderHash;
- if (shouldAddPersonalMessagePrefix) {
- const orderHashBuff = ethUtil.toBuffer(orderHash);
- const msgHashBuff = ethUtil.hashPersonalMessage(orderHashBuff);
- msgHashHex = ethUtil.bufferToHex(msgHashBuff);
- }
-
- const signature = await this._web3Wrapper.signMessageAsync(normalizedSignerAddress, msgHashHex);
-
- // 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)
- // return the signature params in different orders. In order to support all client implementations,
- // we parse the signature in both ways, and evaluate if either one is a valid signature.
- const validVParamValues = [27, 28];
- const ecSignatureVRS = signatureUtils.parseSignatureHexAsVRS(signature);
- if (_.includes(validVParamValues, ecSignatureVRS.v)) {
- const isValidVRSSignature = ZeroEx.isValidSignature(orderHash, ecSignatureVRS, normalizedSignerAddress);
- if (isValidVRSSignature) {
- return ecSignatureVRS;
- }
- }
-
- const ecSignatureRSV = signatureUtils.parseSignatureHexAsRSV(signature);
- if (_.includes(validVParamValues, ecSignatureRSV.v)) {
- const isValidRSVSignature = ZeroEx.isValidSignature(orderHash, ecSignatureRSV, normalizedSignerAddress);
- if (isValidRSVSignature) {
- return ecSignatureRSV;
- }
- }
-
- throw new Error(ZeroExError.InvalidSignature);
+ return signOrderHashAsync(
+ this._web3Wrapper.getProvider(),
+ orderHash,
+ signerAddress,
+ shouldAddPersonalMessagePrefix,
+ );
}
/**
* Waits for a transaction to be mined and returns the transaction receipt.
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-21 08:39:09 +0800