chore: add multiowner example

Author: 0xRAG

examples/typescript/evm/smart-accounts/multiOwner.ts

@@ -0,0 +1,55 @@
+// Usage: pnpm tsx evm/smart-accounts/multiOwner.ts
+
+import { CdpClient } from "@coinbase/cdp-sdk";
+import "dotenv/config";
+
+const cdp = new CdpClient();
+
+const cdpOwner1 = await cdp.evm.getOrCreateAccount({ name: "Owner-1" });
+const cdpOwner2 = await cdp.evm.getOrCreateAccount({ name: "Owner-2" });
+
+const smartAccount = await (
+  await cdp.evm.getOrCreateSmartAccount({
+    name: "MultiOwner",
+    owners: [cdpOwner1, cdpOwner2],
+    enableSpendPermissions: true,
+  })
+).useNetwork("base-sepolia");
+
+console.log("Smart account address:", smartAccount.address);
+console.log("Smart account owners:", smartAccount.owners);
+
+const { userOpHash } = await smartAccount.sendUserOperation({
+  calls: [
+    {
+      to: smartAccount.address,
+      value: 0n,
+    },
+  ],
+});
+
+console.log("User operation hash with default owner:", userOpHash);
+
+const userOpResult = await smartAccount.waitForUserOperation({
+  userOpHash,
+});
+
+console.log("User operation result:", userOpResult);
+
+const { userOpHash: userOpHash2 } = await smartAccount.sendUserOperation({
+  calls: [
+    {
+      to: smartAccount.address,
+      value: 0n,
+    },
+  ],
+  signer: cdpOwner2,
+});
+
+console.log("User operation hash with second owner:", userOpHash2);
+
+const userOpResult2 = await smartAccount.waitForUserOperation({
+  userOpHash: userOpHash2,
+});
+
+console.log("User operation result with second owner:", userOpResult2);