web3_universal_utxo

UTXO chain support for the Web3 Universal SDK. This package provides comprehensive logic for Bitcoin, Litecoin, and Dogecoin protocols.

Features

• 🟠 Bitcoin Native: Full support for Legacy (P2PKH), SegWit (P2WPKH), and Taproot (P2TR).
• 📜 Script Engine: Complete Bitcoin Script engine for parsing and compiling transaction scripts.
• 📦 PSBT: BIP-174 Partially Signed Bitcoin Transaction support for offline signing.
• ⚡ RBF: Helper functions for Replace-By-Fee and fee bumping.

Installation

Add this to your pubspec.yaml:

dependencies:
  web3_universal_utxo: ^0.1.0

Quick Start

import 'package:web3_universal_utxo/web3_universal_utxo.dart';

void main() {
  // Create a P2WPKH address from public key
  final pk = Uint8List.fromList([...]);
  final address = BitcoinAddress.p2wpkh(pk, network: BitcoinNetwork.mainnet);
  print('Address: ${address.toAddress()}');
}

Platform Support