Onchain → tBTC

/**
 * On-chain BTC → tBTC on Arbitrum: end-to-end example.
 */

import {
  Asset,
  Client,
  InMemorySwapStorage,
  InMemoryWalletStorage,
} from "@satora/swap";

const client = await Client.builder()
  .withSignerStorage(new InMemoryWalletStorage())
  .withSwapStorage(new InMemorySwapStorage())
  .withOrgCode(process.env.ORG_CODE || "")
  .build();

const destinationAddress = "0xYourArbitrumAddress";
const amountSats = 100_000;

const result = await client.createSwap({
  source: Asset.BTC_ONCHAIN,
  target: Asset.TBTC_ARBITRUM,
  targetAddress: destinationAddress,
  sourceAmount: amountSats,
});

const { response } = result;

console.log("Swap ID:", response.id);
console.log("Send BTC to:", response.btc_htlc_address);
console.log("Amount to send:", response.source_amount, "sats");

// Wait for the BTC to confirm and the server to fund the EVM HTLC.
let swap = await client.getSwap(response.id);
while (swap.status !== "serverfunded" && swap.status !== "expired") {
  await new Promise((r) => setTimeout(r, 10_000));
  swap = await client.getSwap(response.id);
  console.log("Status:", swap.status);
  // ... "pending" → "clientfunded" → "serverfunded"
}

if (swap.status === "expired") {
  throw new Error("Swap expired - BTC was not sent in time.");
}

const claim = await client.claimViaGasless(response.id, destinationAddress);
console.log("Claimed! TX:", claim.txHash);
// ... "0xabc123..."

const final = await client.getSwap(response.id);
console.log("Final status:", final.status);
console.log("Target:", final.target_amount, final.target_token.symbol);