Universal Deposit SDK — Core API

import { DepositClient, CHAIN } from '@particle-network/universal-deposit';

const client = new DepositClient({
  ownerAddress: '0x...',
  intermediaryAddress: '0x...',
  authCoreProvider: provider,
  destination: { chainId: CHAIN.BASE },
});

await client.initialize();
client.startWatching();

const { transactions, page, pageSize } = await client.getTransactions(1, 10);

for (const tx of transactions) {
  console.log(tx.transactionId, tx.targetToken.symbol, tx.change.amountInUSD);
}

// Next page
const page2 = await client.getTransactions(2, 10);

import { CHAIN } from '@particle-network/universal-deposit';

// Get USDC transactions on Ethereum
const result = await client.getTokenTransactions({
  chainId: CHAIN.ETHEREUM,
  address: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', // USDC contract
});

// Paginate with cursor
if (result.nextPageToken) {
  const nextPage = await client.getTokenTransactions(
    { chainId: CHAIN.ETHEREUM, address: '0xA0b8...' },
    result.nextPageToken,
  );
}

const tx = await client.getTransaction('tx_abc123');
console.log(tx.status, tx.change.amount, tx.fromChains, tx.toChains);

client.on('deposit:detected', (deposit: DetectedDeposit) => {
  console.log(`New deposit: ${deposit.token} on chain ${deposit.chainId}`);
});

client.on('deposit:complete', (result: SweepResult) => {
  console.log(`Sweep complete: ${result.explorerUrl}`);
});

// Remove a specific listener
client.off('deposit:detected', handler);