From c56a9497781b698a36c04729b51ec83317fec21b Mon Sep 17 00:00:00 2001
From: Sebastian Martinez <sebastinez@me.com>
Date: Fri, 13 May 2022 23:10:08 +0200
Subject: [PATCH] Convert SIWE message to utf8array before hashing

Signed-off-by: Sebastian Martinez <sebastinez@me.com>
---
 src/WalletConnectSigner.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/WalletConnectSigner.ts b/src/WalletConnectSigner.ts
index be430f752..8c282e887 100644
--- a/src/WalletConnectSigner.ts
+++ b/src/WalletConnectSigner.ts
@@ -51,13 +51,16 @@ export class WalletConnectSigner extends ethers.Signer {
     const prefix = ethers.utils.toUtf8Bytes(
       `\x19Ethereum Signed Message:\n${message.length}`
     );
-    const msg = ethers.utils.concat([prefix, message]);
+    const data = ((typeof(message) === "string") ? ethers.utils.toUtf8Bytes(message): message);
+
+    const msg = ethers.utils.concat([prefix, data]);
     const address = await this.getAddress();
     const keccakMessage = ethers.utils.keccak256(msg);
     const signature = await this.walletConnect.signMessage([
       address.toLowerCase(),
       keccakMessage,
     ]);
+
     return signature;
   }