cake_wallet/cw_bitcoin/lib/address_from_output.dart

import 'dart:typed_data';
import 'package:bitcoin_flutter/bitcoin_flutter.dart' as bitcoin;
import 'package:bitcoin_flutter/src/payments/index.dart' show PaymentData;

String addressFromOutput(Uint8List script, bitcoin.NetworkType networkType) {
  try {
    return bitcoin.P2pkhAddress(
            scriptPubKey: bitcoin.Script.fromRaw(byteData: script), networkType: networkType)
        .address;
  } catch (_) {}

  try {
    return bitcoin.P2WPKH(data: PaymentData(output: script), network: networkType).data.address!;
  } catch (_) {}

  try {
    return bitcoin.P2TR(data: PaymentData(output: script), network: networkType).data.address!;
  } catch (_) {}

  return '';
}