Wallet Integration

import { ethers } from 'ethers';
 
// Connect to local node
const provider = new ethers.JsonRpcProvider('http://localhost:8545');
 
// Create wallet
const wallet = new ethers.Wallet(privateKey, provider);
 
// Get balance
const balance = await provider.getBalance(wallet.address);
console.log('Balance:', ethers.formatEther(balance));
 
// Send transaction
const tx = await wallet.sendTransaction({
  to: recipientAddress,
  value: ethers.parseEther('1.0'),
});
await tx.wait();

import { createPublicClient, createWalletClient, http } from 'viem';
import { privateKeyToAccount } from 'viem/accounts';
 
// Create clients
const publicClient = createPublicClient({
  transport: http('http://localhost:8545'),
});
 
const account = privateKeyToAccount('0x...');
const walletClient = createWalletClient({
  account,
  transport: http('http://localhost:8545'),
});
 
// Get balance
const balance = await publicClient.getBalance({
  address: account.address,
});
 
// Send transaction
const hash = await walletClient.sendTransaction({
  to: recipientAddress,
  value: parseEther('1.0'),
});

import { WagmiConfig, createConfig, http } from 'wagmi';
import { defineChain } from 'viem';
 
// Define custom chain
const evolveLocal = defineChain({
  id: 1,
  name: 'Evolve Local',
  nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
  rpcUrls: {
    default: { http: ['http://localhost:8545'] },
  },
});
 
// Create config
const config = createConfig({
  chains: [evolveLocal],
  transports: {
    [evolveLocal.id]: http(),
  },
});
 
// Use in app
function App() {
  return (
    <WagmiConfig config={config}>
      {/* Your app */}
    </WagmiConfig>
  );
}

0x742d35Cc6634C0532925a3b844Bc9e7595f1Ef67

// Ethereum address (20 bytes) maps to AccountId (u128)
// Lower 16 bytes of address become the AccountId
let account_id = AccountId::from_address(address);
let address = account_id.to_address();

// Personal sign
const signature = await wallet.signMessage('Hello');
 
// Typed data (EIP-712)
const signature = await wallet._signTypedData(domain, types, value);
 
// Transaction signing (automatic with sendTransaction)