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-rw-r--r--packages/0x.js/src/utils/signature_utils.ts80
1 files changed, 40 insertions, 40 deletions
diff --git a/packages/0x.js/src/utils/signature_utils.ts b/packages/0x.js/src/utils/signature_utils.ts
index 19b5c76c7..b0f1d61ef 100644
--- a/packages/0x.js/src/utils/signature_utils.ts
+++ b/packages/0x.js/src/utils/signature_utils.ts
@@ -3,44 +3,44 @@ import * as ethUtil from 'ethereumjs-util';
import { ECSignature } from '../types';
export const signatureUtils = {
- isValidSignature(data: string, signature: ECSignature, signerAddress: string): boolean {
- const dataBuff = ethUtil.toBuffer(data);
- const msgHashBuff = ethUtil.hashPersonalMessage(dataBuff);
- try {
- const pubKey = ethUtil.ecrecover(
- msgHashBuff,
- signature.v,
- ethUtil.toBuffer(signature.r),
- ethUtil.toBuffer(signature.s),
- );
- const retrievedAddress = ethUtil.bufferToHex(ethUtil.pubToAddress(pubKey));
- return retrievedAddress === signerAddress;
- } catch (err) {
- return false;
- }
- },
- parseSignatureHexAsVRS(signatureHex: string): ECSignature {
- const signatureBuffer = ethUtil.toBuffer(signatureHex);
- let v = signatureBuffer[0];
- if (v < 27) {
- v += 27;
- }
- const r = signatureBuffer.slice(1, 33);
- const s = signatureBuffer.slice(33, 65);
- const ecSignature: ECSignature = {
- v,
- r: ethUtil.bufferToHex(r),
- s: ethUtil.bufferToHex(s),
- };
- return ecSignature;
- },
- parseSignatureHexAsRSV(signatureHex: string): ECSignature {
- const { v, r, s } = ethUtil.fromRpcSig(signatureHex);
- const ecSignature: ECSignature = {
- v,
- r: ethUtil.bufferToHex(r),
- s: ethUtil.bufferToHex(s),
- };
- return ecSignature;
- },
+ isValidSignature(data: string, signature: ECSignature, signerAddress: string): boolean {
+ const dataBuff = ethUtil.toBuffer(data);
+ const msgHashBuff = ethUtil.hashPersonalMessage(dataBuff);
+ try {
+ const pubKey = ethUtil.ecrecover(
+ msgHashBuff,
+ signature.v,
+ ethUtil.toBuffer(signature.r),
+ ethUtil.toBuffer(signature.s),
+ );
+ const retrievedAddress = ethUtil.bufferToHex(ethUtil.pubToAddress(pubKey));
+ return retrievedAddress === signerAddress;
+ } catch (err) {
+ return false;
+ }
+ },
+ parseSignatureHexAsVRS(signatureHex: string): ECSignature {
+ const signatureBuffer = ethUtil.toBuffer(signatureHex);
+ let v = signatureBuffer[0];
+ if (v < 27) {
+ v += 27;
+ }
+ const r = signatureBuffer.slice(1, 33);
+ const s = signatureBuffer.slice(33, 65);
+ const ecSignature: ECSignature = {
+ v,
+ r: ethUtil.bufferToHex(r),
+ s: ethUtil.bufferToHex(s),
+ };
+ return ecSignature;
+ },
+ parseSignatureHexAsRSV(signatureHex: string): ECSignature {
+ const { v, r, s } = ethUtil.fromRpcSig(signatureHex);
+ const ecSignature: ECSignature = {
+ v,
+ r: ethUtil.bufferToHex(r),
+ s: ethUtil.bufferToHex(s),
+ };
+ return ecSignature;
+ },
};