fix: hexToBuffer bug (#6098)

* Fix `hexToBuffer` bug Related to this "documented behavior" quirk of `Buffer.from`: nodejs/node#21242 * Fix lint * Implement in multiple lines
ChainSafe · Nov 29, 2023 · faa4514 · faa4514
1 parent 248b64c
commit faa4514
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/prover/src/utils/conversion.ts b/packages/prover/src/utils/conversion.ts
@@ -23,7 +23,8 @@ export function bufferToHex(buffer: Buffer | Uint8Array): string {
 }
 
 export function hexToBuffer(val: string): Buffer {
-  return Buffer.from(val.replace("0x", ""), "hex");
+  const hexWithEvenLength = val.length % 2 ? `0${val}` : val;
+  return Buffer.from(hexWithEvenLength.replace("0x", ""), "hex");
 }
 
 export function padLeft<T extends Buffer | Uint8Array>(v: T, length: number): T {