Native Account Abstraction

import { createPublicClient, http, parseEther } from "viem";
import { privateKeyToAccount, generatePrivateKey } from "viem/accounts";
import {
  newSmartAccount8130, sendCalls8130, estimateGas8130,
  encodeWalletCalls, waitForTransactionReceipt8130, allPhasesSucceeded,
} from "viem/experimental/eip8130";

const RPC_URL = "https://rpc.vibes.base.org";
const chain = {
  id: 84538453,
  name: "vibenet",
  nativeCurrency: { name: "Ether", symbol: "ETH", decimals: 18 },
  rpcUrls: { default: { http: [RPC_URL] } },
};
const client = createPublicClient({ chain, transport: http(RPC_URL) });

// The account address is deterministic and exists before any deployment
const signer = privateKeyToAccount(generatePrivateKey());
const account = newSmartAccount8130({ signer });

// Fund it from the vibenet faucet
await fetch("https://vibes.base.org/api/vibenet/faucet/drip", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({ address: account.address }),
});

// Estimate, then send a batch. Account creation rides along in the same transaction
const calls = [{ to: "0x…recipient", value: parseEther("0.001") }];
const gas = await estimateGas8130(client, {
  sender: account.address,
  accountChanges: [account.createChange],
  calls: encodeWalletCalls({ account: account.address, calls: [calls] }),
});
const hash = await sendCalls8130(client, {
  account,
  accountChanges: [account.createChange],
  calls,
  gas: (gas * 120n) / 100n,
});

// An 8130 receipt reports per-phase results, so check all of them
const receipt = await waitForTransactionReceipt8130(client, { hash });
if (!allPhasesSucceeded(receipt)) throw new Error("a phase reverted");