Bitcoin

import { Magic } from 'magic-sdk';
import { BitcoinExtension } from '@magic-ext/bitcoin';

const magic = new Magic('YOUR_API_KEY', {
  extensions: [
    new BitcoinExtension({
      rpcUrl: 'BTC_RPC_NODE_URL',
      network: 'testnet', // testnet or mainnet
    }),
  ],
});

const publicAddress = await magic.bitcoin.getPublicAddress();

console.log(publicAddress); // => "tb1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh"

import { Magic } from 'magic-sdk';
import { BitcoinExtension } from '@magic-ext/bitcoin';

const magic = new Magic('YOUR_API_KEY', {
  extensions: [
    new BitcoinExtension({
      rpcUrl: 'BTC_RPC_NODE_URL',
      network: 'testnet', // testnet or mainnet
    }),
  ],
});

const publicAddress = await magic.bitcoin.getPublicAddress();

const { signedTransaction, transactionHash } = await magic.bitcoin.signTransaction(
  [
    {
      txid: 'fde789dad13b52e33229baed29b11d3e6f6dd306eb159865957dce13219bf85c',
      tx_num: 0,
      value: 0.002,
    },
  ],
  [
    {
      address: 'tb1qw508d6qejxtdg4y5r3zarvary0c5xw7kxpjzsx',
      value: 0.0015,
    },
    {
      // Send the remainder back to yourself as change
      address: publicAddress,
      value: 0.00049,
    },
  ],
);

// Total in (0.002) - total out (0.00199) = 0.00001 BTC paid as the miner fee

console.log('signed transaction', signedTransaction);
console.log('transaction hash', transactionHash);

await magic.bitcoin.revealPrivateKey();