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-rw-r--r--src/0x.ts9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/0x.ts b/src/0x.ts
index 837855426..3ff7c830b 100644
--- a/src/0x.ts
+++ b/src/0x.ts
@@ -225,16 +225,17 @@ export class ZeroEx {
// 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 ecSignatureVRS = this.parseSignatureHexAsVRS(signature);
- if (ecSignatureVRS.v === 27 || ecSignatureVRS.v === 28) {
+ const validVParamValues = [27, 28];
+ const ecSignatureVRS = signatureUtils.parseSignatureHexAsVRS(signature);
+ if (_.includes(validVParamValues, ecSignatureVRS.v)) {
const isValidVRSSignature = ZeroEx.isValidSignature(orderHash, ecSignatureVRS, signerAddress);
if (isValidVRSSignature) {
return ecSignatureVRS;
}
}
- const ecSignatureRSV = this.parseSignatureHexAsRSV(signature);
- if (ecSignatureRSV.v === 27 || ecSignatureRSV.v === 28) {
+ const ecSignatureRSV = signatureUtils.parseSignatureHexAsRSV(signature);
+ if (_.includes(validVParamValues, ecSignatureRSV.v)) {
const isValidRSVSignature = ZeroEx.isValidSignature(orderHash, ecSignatureRSV, signerAddress);
if (isValidRSVSignature) {
return ecSignatureRSV;