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-rw-r--r--packages/order-utils/src/asset_proxy_utils.ts20
-rw-r--r--packages/order-utils/src/signature_utils.ts41
-rw-r--r--packages/order-utils/test/signature_utils_test.ts6
3 files changed, 34 insertions, 33 deletions
diff --git a/packages/order-utils/src/asset_proxy_utils.ts b/packages/order-utils/src/asset_proxy_utils.ts
index 11f81c656..5a084deba 100644
--- a/packages/order-utils/src/asset_proxy_utils.ts
+++ b/packages/order-utils/src/asset_proxy_utils.ts
@@ -3,8 +3,8 @@ import { BigNumber } from '@0xproject/utils';
import BN = require('bn.js');
import ethUtil = require('ethereumjs-util');
-const ERC20_PROXY_METADATA_BYTE_LENGTH = 21;
-const ERC721_PROXY_METADATA_BYTE_LENGTH = 53;
+const ERC20_PROXY_METADATA_BYTE_LENGTH = 20;
+const ERC721_PROXY_METADATA_BYTE_LENGTH = 52;
export const assetProxyUtils = {
encodeAssetProxyId(assetProxyId: AssetProxyId): Buffer {
@@ -43,7 +43,7 @@ export const assetProxyUtils = {
encodeERC20ProxyData(tokenAddress: string): string {
const encodedAssetProxyId = assetProxyUtils.encodeAssetProxyId(AssetProxyId.ERC20);
const encodedAddress = assetProxyUtils.encodeAddress(tokenAddress);
- const encodedMetadata = Buffer.concat([encodedAssetProxyId, encodedAddress]);
+ const encodedMetadata = Buffer.concat([encodedAddress, encodedAssetProxyId]);
const encodedMetadataHex = ethUtil.bufferToHex(encodedMetadata);
return encodedMetadataHex;
},
@@ -56,7 +56,7 @@ export const assetProxyUtils = {
}`,
);
}
- const encodedAssetProxyId = encodedProxyMetadata.slice(0, 1);
+ const encodedAssetProxyId = encodedProxyMetadata.slice(-1);
const assetProxyId = assetProxyUtils.decodeAssetProxyId(encodedAssetProxyId);
if (assetProxyId !== AssetProxyId.ERC20) {
throw new Error(
@@ -65,7 +65,7 @@ export const assetProxyUtils = {
}), but got ${assetProxyId}`,
);
}
- const encodedTokenAddress = encodedProxyMetadata.slice(1, ERC20_PROXY_METADATA_BYTE_LENGTH);
+ const encodedTokenAddress = encodedProxyMetadata.slice(0, ERC20_PROXY_METADATA_BYTE_LENGTH);
const tokenAddress = assetProxyUtils.decodeAddress(encodedTokenAddress);
const erc20ProxyData = {
assetProxyId,
@@ -77,7 +77,7 @@ export const assetProxyUtils = {
const encodedAssetProxyId = assetProxyUtils.encodeAssetProxyId(AssetProxyId.ERC721);
const encodedAddress = assetProxyUtils.encodeAddress(tokenAddress);
const encodedTokenId = assetProxyUtils.encodeUint256(tokenId);
- const encodedMetadata = Buffer.concat([encodedAssetProxyId, encodedAddress, encodedTokenId]);
+ const encodedMetadata = Buffer.concat([encodedAddress, encodedTokenId, encodedAssetProxyId]);
const encodedMetadataHex = ethUtil.bufferToHex(encodedMetadata);
return encodedMetadataHex;
},
@@ -90,7 +90,7 @@ export const assetProxyUtils = {
}`,
);
}
- const encodedAssetProxyId = encodedProxyMetadata.slice(0, 1);
+ const encodedAssetProxyId = encodedProxyMetadata.slice(-1);
const assetProxyId = assetProxyUtils.decodeAssetProxyId(encodedAssetProxyId);
if (assetProxyId !== AssetProxyId.ERC721) {
throw new Error(
@@ -99,8 +99,8 @@ export const assetProxyUtils = {
}), but got ${assetProxyId}`,
);
}
- const addressOffset = 21;
- const encodedTokenAddress = encodedProxyMetadata.slice(1, addressOffset);
+ const addressOffset = 20;
+ const encodedTokenAddress = encodedProxyMetadata.slice(0, addressOffset);
const tokenAddress = assetProxyUtils.decodeAddress(encodedTokenAddress);
const encodedTokenId = encodedProxyMetadata.slice(addressOffset, ERC721_PROXY_METADATA_BYTE_LENGTH);
const tokenId = assetProxyUtils.decodeUint256(encodedTokenId);
@@ -120,7 +120,7 @@ export const assetProxyUtils = {
}`,
);
}
- const encodedAssetProxyId = encodedProxyMetadata.slice(0, 1);
+ const encodedAssetProxyId = encodedProxyMetadata.slice(-1);
const assetProxyId = assetProxyUtils.decodeAssetProxyId(encodedAssetProxyId);
return assetProxyId;
},
diff --git a/packages/order-utils/src/signature_utils.ts b/packages/order-utils/src/signature_utils.ts
index f1466973c..8e387a6ae 100644
--- a/packages/order-utils/src/signature_utils.ts
+++ b/packages/order-utils/src/signature_utils.ts
@@ -34,41 +34,40 @@ export async function isValidSignatureAsync(
case SignatureType.Invalid:
return false;
- case SignatureType.Caller:
- // HACK: We currently do not "validate" the caller signature type.
- // It can only be validated during Exchange contract execution.
- throw new Error('Caller signature type cannot be validated off-chain');
-
- // TODO: Rename this type to `EthSign` b/c multiple of the signature
- // types use ECRecover...
- case SignatureType.Ecrecover: {
- const ecSignature = parseECSignature(signature);
- const prefixedMessageHex = addSignedMessagePrefix(data, MessagePrefixType.EthSign);
- return isValidECSignature(prefixedMessageHex, ecSignature, signerAddress);
- }
-
case SignatureType.EIP712: {
const ecSignature = parseECSignature(signature);
return isValidECSignature(data, ecSignature, signerAddress);
}
- case SignatureType.Trezor: {
- const prefixedMessageHex = addSignedMessagePrefix(data, MessagePrefixType.Trezor);
+ case SignatureType.EthSign: {
const ecSignature = parseECSignature(signature);
+ const prefixedMessageHex = addSignedMessagePrefix(data, MessagePrefixType.EthSign);
return isValidECSignature(prefixedMessageHex, ecSignature, signerAddress);
}
- // TODO: Rename Contract -> Wallet
- case SignatureType.Contract: {
+ case SignatureType.Caller:
+ // HACK: We currently do not "validate" the caller signature type.
+ // It can only be validated during Exchange contract execution.
+ throw new Error('Caller signature type cannot be validated off-chain');
+
+ case SignatureType.Wallet: {
const signerContract = new ISignerContract(artifacts.ISigner.abi, signerAddress, provider);
const isValid = await signerContract.isValidSignature.callAsync(data, signature);
return isValid;
}
+ // TODO: Add SignatureType.Validator
+
case SignatureType.PreSigned: {
return isValidPresignedSignatureAsync(provider, data, signature, signerAddress);
}
+ case SignatureType.Trezor: {
+ const prefixedMessageHex = addSignedMessagePrefix(data, MessagePrefixType.Trezor);
+ const ecSignature = parseECSignature(signature);
+ return isValidECSignature(prefixedMessageHex, ecSignature, signerAddress);
+ }
+
default:
throw new Error(`Unhandled SignatureType: ${signatureTypeIndexIfExists}`);
}
@@ -205,15 +204,16 @@ function hashTrezorPersonalMessage(message: Buffer): Buffer {
}
function parseECSignature(signature: string): ECSignature {
+ assert.isHexString('signature', signature);
const signatureTypeIndexIfExists = getSignatureTypeIndexIfExists(signature);
- const ecSignatureTypes = [SignatureType.Ecrecover, SignatureType.EIP712, SignatureType.Trezor];
+ const ecSignatureTypes = [SignatureType.EthSign, SignatureType.EIP712, SignatureType.Trezor];
const isECSignatureType = _.includes(ecSignatureTypes, signatureTypeIndexIfExists);
if (!isECSignatureType) {
throw new Error(`Cannot parse non-ECSignature type: ${signatureTypeIndexIfExists}`);
}
// tslint:disable-next-line:custom-no-magic-numbers
- const vrsHex = `0x${signature.substr(4)}`;
+ const vrsHex = signature.slice(0, -2);
const ecSignature = parseSignatureHexAsVRS(vrsHex);
return ecSignature;
@@ -221,7 +221,8 @@ function parseECSignature(signature: string): ECSignature {
function getSignatureTypeIndexIfExists(signature: string): number {
const unprefixedSignature = ethUtil.stripHexPrefix(signature);
- const signatureTypeHex = unprefixedSignature.substr(0, 2);
+ // tslint:disable-next-line:custom-no-magic-numbers
+ const signatureTypeHex = unprefixedSignature.slice(-2);
const base = 16;
const signatureTypeInt = parseInt(signatureTypeHex, base);
return signatureTypeInt;
diff --git a/packages/order-utils/test/signature_utils_test.ts b/packages/order-utils/test/signature_utils_test.ts
index 321e7313f..d7d895204 100644
--- a/packages/order-utils/test/signature_utils_test.ts
+++ b/packages/order-utils/test/signature_utils_test.ts
@@ -20,7 +20,7 @@ describe('Signature utils', () => {
describe('#isValidSignature', () => {
let dataHex = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
const ethSignSignature =
- '0x031B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254';
+ '0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace225403';
let address = '0x5409ed021d9299bf6814279a6a1411a7e866a631';
it("should return false if the data doesn't pertain to the signature & address", async () => {
@@ -56,7 +56,7 @@ describe('Signature utils', () => {
dataHex = '0xa1d7403bcbbcd75ec233cfd6584ff8dabed677d0e9bb32c2bea94e9dd8a109da';
address = '0x6ecbe1db9ef729cbe972c83fb886247691fb6beb';
const eip712Signature =
- '0x041bdde07aac4bf12c12ddbb155919c43eba4146a2cfcf904a862950dbebe332554c6674975603eb5a4eaf8fd7f2e06350267e5b36cda9851a89f8bb49fe2fc9afe2';
+ '0x1bdde07aac4bf12c12ddbb155919c43eba4146a2cfcf904a862950dbebe332554c6674975603eb5a4eaf8fd7f2e06350267e5b36cda9851a89f8bb49fe2fc9afe202';
const isValidSignatureLocal = await isValidSignatureAsync(provider, dataHex, eip712Signature, address);
expect(isValidSignatureLocal).to.be.true();
});
@@ -65,7 +65,7 @@ describe('Signature utils', () => {
dataHex = '0xd0d994e31c88f33fd8a572552a70ed339de579e5ba49ee1d17cc978bbe1cdd21';
address = '0x6ecbe1db9ef729cbe972c83fb886247691fb6beb';
const trezorSignature =
- '0x051ce4760660e6495b5ae6723087bea073b3a99ce98ea81fdf00c240279c010e63d05b87bc34c4d67d4776e8d5aeb023a67484f4eaf0fd353b40893e5101e845cd99';
+ '0x1ce4760660e6495b5ae6723087bea073b3a99ce98ea81fdf00c240279c010e63d05b87bc34c4d67d4776e8d5aeb023a67484f4eaf0fd353b40893e5101e845cd9908';
const isValidSignatureLocal = await isValidSignatureAsync(provider, dataHex, trezorSignature, address);
expect(isValidSignatureLocal).to.be.true();
});
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-21 09:20:51 +0800