From 46ceb08e1f50a4957abcf1004a6415b479217e9b Mon Sep 17 00:00:00 2001
From: Aniket <iamaniketkumarmaner@gmail.com>
Date: Tue, 27 Jan 2026 17:27:20 +0530
Subject: [PATCH 1/2] Import wallet client and chains from viem

---
 stablepay-sdk/src/core/Wallet.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/stablepay-sdk/src/core/Wallet.js b/stablepay-sdk/src/core/Wallet.js
index 0c666ef..5c728d3 100644
--- a/stablepay-sdk/src/core/Wallet.js
+++ b/stablepay-sdk/src/core/Wallet.js
@@ -1,3 +1,6 @@
+import { createWalletClient, custom } from 'viem';
+import { mainnet, sepolia } from 'viem/chains';
+
 export class Wallet {
   constructor(chainId) {
     this.chainId = chainId;
@@ -49,4 +52,4 @@ export class Wallet {
   getAccount() {
     return this.account;
   }
-}
\ No newline at end of file
+}

From c2bf80fb7eb53892874da5f2260b887cde1b9a2e Mon Sep 17 00:00:00 2001
From: Aniket <iamaniketkumarmaner@gmail.com>
Date: Tue, 27 Jan 2026 17:41:07 +0530
Subject: [PATCH 2/2] Implement error handling for unsupported chain IDs

Add error handling for unsupported chain IDs in Wallet.js
---
 stablepay-sdk/src/core/Wallet.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/stablepay-sdk/src/core/Wallet.js b/stablepay-sdk/src/core/Wallet.js
index 5c728d3..f4a410a 100644
--- a/stablepay-sdk/src/core/Wallet.js
+++ b/stablepay-sdk/src/core/Wallet.js
@@ -37,7 +37,11 @@ export class Wallet {
       11155111: sepolia,
       // Add other chains as needed
     };
-    return chains[chainId];
+    const chain = chains[chainId];
+      if (!chain) {
+        throw new Error(`Unsupported chainId: ${chainId}`);
+      }
+      return chain;
   }
 
   async disconnect() {