const transactions = await sdk.getTransactionHistory();
for (const tx of transactions) {
  console.log(`${tx.txType}: ${tx.amount} - ${tx.txHash}`);
}

interface Transaction {
  txHash: string;
  txType: 'deposit' | 'withdraw' | 'transfer';
  tokenAddress: string;
  amount: string;           // Amount in wei
  direction: 'in' | 'out';
  senderPubKey: string;
  receiverPubKeys: string[];
  createdAt: number;        // Unix timestamp
}

const deposits = await sdk.getTransactionHistory({ type: 'deposit' });
const withdrawals = await sdk.getTransactionHistory({ type: 'withdraw' });
const transfers = await sdk.getTransactionHistory({ type: 'transfer' });

const usdcHistory = await sdk.getTransactionHistory({
  tokenAddress: '0x...usdc-address',
});

const recent = await sdk.getTransactionHistory({ limit: 10 });

const recentUsdcDeposits = await sdk.getTransactionHistory({
  type: 'deposit',
  tokenAddress: '0x...usdc-address',
  limit: 5,
});

const transactions = await sdk.getTransactionHistory({ limit: 20 });

for (const tx of transactions) {
  const date = new Date(tx.createdAt * 1000).toLocaleString();
  const formatted = sdk.formatAmount(tx.amount, 18);
  console.log(`[${date}] ${tx.txType}: ${formatted} (${tx.direction})`);
}

try {
  const transactions = await sdk.getTransactionHistory();
} catch (error) {
  if (error.message.includes('Not authenticated')) {
    console.log('Please log in first');
  } else if (error.message.includes('Network error')) {
    console.log('Network error, please retry');
  } else {
    console.log('Failed to get history:', error.message);
  }
}