Fixed splitSignature logic for verifying EIP-2930 and EIP-1559 v (#2084…

…).
ethers-io · Oct 18, 2021 · 3de1b81 · 3de1b81
1 parent ab319f2
commit 3de1b81
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/packages/bytes/src.ts/index.ts b/packages/bytes/src.ts/index.ts
@@ -406,8 +406,11 @@ export function splitSignature(signature: SignatureLike): Signature {
         } else {
             if (result.v == null) {
                 result.v = 27 + result.recoveryParam;
-            } else if (result.recoveryParam !== (1 - (result.v % 2))) {
-                logger.throwArgumentError("signature recoveryParam mismatch v", "signature", signature);
+            } else {
+                const recId = (result.v === 0 || result.v === 1) ? result.v :(1 - (result.v % 2));
+                if (result.recoveryParam !== recId) {
+                    logger.throwArgumentError("signature recoveryParam mismatch v", "signature", signature);
+                }
             }
         }