# 生成新密钥对（本地存储）
solana-keygen new --outfile ~/.config/solana/id.json
# 保存助记词！这是恢复唯一路径

# 查看地址
solana address --keypair ~/.config/solna/id.json
# → Fg6...xyz (Base58 编码的公钥)

# 请求测试 SOL
solana airdrop 5 <address> --url devnet
# → 5 SOL 已发送到 devnet 地址

# 查看余额
solana balance <address> --url devnet
# → 5 SOL

// hooks/useWallet.ts
import { useEffect, useState } from 'react';

interface PhantomWindow extends Window {
  phantom?: { solana?: { isPhantom: boolean; connect: () => Promise<{ publicKey: { toString: () => string } }>; disconnect: () => Promise<void> } };
}

export const usePhantom = () => {
  const [wallet, setWallet] = useState<string | null>(null);
  const [connected, setConnected] = useState(false);

  const connect = async () => {
    const w = (window as PhantomWindow).phantom?.solana;
    if (!w?.isPhantom) {
      alert("请安装 Phantom 钱包扩展");
      return;
    }
    const res = await w.connect();
    setWallet(res.publicKey.toString());
    setConnected(true);
  };

  const disconnect = async () => {
    await (window as PhantomWindow).phantom?.solana?.disconnect();
    setWallet(null);
    setConnected(false);
  };

  return { wallet, connected, connect, disconnect };
};

// WalletButton.tsx
export const WalletButton = () => {
  const { wallet, connected, connect, disconnect } = usePhantom();
  
  return (
    <button 
      className={connected ? "btn-disconnect" : "btn-connect"}
      onClick={connected ? disconnect : connect}
    >
      {connected ? `断开: ${wallet?.slice(0, 6)}...${wallet?.slice(-4)}` : "连接 Phantom"}
    </button>
  );
};