Fix getAddresses call for accounts converted to viem (#2666)

Co-authored-by: Jonas Daniels <jonas.daniels@outlook.com>

Author: gregfromstl

.changeset/blue-kangaroos-cheat.md

@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+fix getAddresses for accounts converted to viem

packages/thirdweb/src/adapters/viem.test.ts

@@ -7,6 +7,7 @@ import { zeroAddress } from "viem";
 import { typedData } from "~test/typed-data.js";
 import { ANVIL_PKEY_A } from "~test/test-wallets.js";
 import { ANVIL_CHAIN } from "../../test/src/chains.js";
+import { mainnet } from "../chains/chain-definitions/ethereum.js";
 
 const account = privateKeyAccount({
   privateKey: ANVIL_PKEY_A,
@@ -62,4 +63,16 @@ describe("walletClient.toViem", () => {
     expect(txHash).toBeDefined();
     expect(txHash.slice(0, 2)).toBe("0x");
   });
+
+  test("should get address on live chain", async () => {
+    walletClient = viemAdapter.walletClient.toViem({
+      client: TEST_CLIENT,
+      account,
+      chain: mainnet,
+    });
+
+    const address = await walletClient.getAddresses();
+    expect(address[0]).toBeDefined();
+    expect(address[0]).toBe(account.address);
+  });
 });

packages/thirdweb/src/adapters/viem.ts

@@ -225,6 +225,9 @@ function toViemWalletClient(options: ToViemWalletClientOptions) {
         const data = JSON.parse(request.params[1]);
         return account.signTypedData(data);
       }
+      if (request.method === "eth_accounts") {
+        return [account.address];
+      }
       return rpcClient(request);
     },
   });