Avoid BUFFER_OVERRUN for unsupported revert reason #165 (#171)

aurora-is-near · Jan 24, 2022 · 2ada767 · 2ada767
1 parent 2ae0a39
commit 2ada767
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Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/lib/utils.js b/lib/utils.js
diff --git a/src/utils.ts b/src/utils.ts
@@ -79,8 +79,11 @@ export function parseEVMRevertReason(reason: Uint8Array): string | Uint8Array {
   if (reason.length > 0) {
     // only for valid decoded revert reason
     const coder = new ethers.utils.AbiCoder();
-    const result = coder.decode(['string'], reason.slice(4));
-    return result.toString();
+    try {
+      return coder.decode(['string'], reason.slice(4)).toString();
+    } catch {
+      return reason;
+    }
   }
   return reason;
 }