tundachef

class DownloadUtil {
  static Future<String> downloadAndSaveFile(String url, String fileName) async {
    final Directory directory = await getApplicationDocumentsDirectory();
    final String filePath = '${directory.path}/$fileName.png';
    final http.Response response = await http.get(Uri.parse(url));
    final File file = File(filePath);
    await file.writeAsBytes(response.bodyBytes);
    return filePath;
  }

tundachef

const { Connection, Keypair, VersionedTransaction } = require ('@solana/web3.js');
const bs58 = require ('bs58');
const axios = require('axios');

// It is recommended that you use your own RPC endpoint.
// This RPC endpoint is only for demonstration purposes so that this example will run.
const connection = new Connection('');

const keypair = Keypair.fromSecretKey(bs58.decode(''));