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Description:

flutter bitcoin

bitcoin_flutter #
A dart Bitcoin library for Flutter.
Released under the terms of the MIT LICENSE.
Inspired by bitcoinjs
Otherwise, pull requests are appreciated.
Installing #
Flutter Packages
Examples #
import 'package:bitcoin_flutter/bitcoin_flutter.dart';
import 'package:bip39/bip39.dart' as bip39;

main() {
var seed = bip39.mnemonicToSeed("praise you muffin lion enable neck grocery crumble super myself license ghost");
var hdWallet = new HDWallet(seed);
print(hdWallet.address);
// => 12eUJoaWBENQ3tNZE52ZQaHqr3v4tTX4os
print(hdWallet.pubKey);
// => 0360729fb3c4733e43bf91e5208b0d240f8d8de239cff3f2ebd616b94faa0007f4
print(hdWallet.privKey);
// => 01304181d699cd89db7de6337d597adf5f78dc1f0784c400e41a3bd829a5a226
print(hdWallet.wif);
// => KwG2BU1ERd3ndbFUrdpR7ymLZbsd7xZpPKxsgJzUf76A4q9CkBpY

var wallet = Wallet.fromWIF("Kxr9tQED9H44gCmp6HAdmemAzU3n84H3dGkuWTKvE23JgHMW8gct");
print(wallet.address);
// => 19AAjaTUbRjQCMuVczepkoPswiZRhjtg31
print(wallet.pubKey);
// => 03aea0dfd576151cb399347aa6732f8fdf027b9ea3ea2e65fb754803f776e0a509
print(wallet.privKey);
// => 3095cb26affefcaaa835ff968d60437c7c764da40cdd1a1b497406c7902a8ac9
print(wallet.wif);
// => Kxr9tQED9H44gCmp6HAdmemAzU3n84H3dGkuWTKvE23JgHMW8gct
}
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The below examples are implemented as integration tests:

Generate a random address
Validating address
Generate an address from a SHA256 hash
Import an address via WIF
Generate a Testnet address
Generate a Litecoin address
Generate a native Segwit address
Create a 1-to-1 Transaction
Create a 2-to-2 Transaction
Create a Transaction with a SegWit P2WPKH input
Import a BIP32 testnet xpriv and export to WIF
Export a BIP32 xpriv, then import it
Export a BIP32 xpub
Create a BIP32, bitcoin, account 0, external address
Create a BIP44, bitcoin, account 0, external address
Use BIP39 to generate BIP32 addresses

TODO #

Generate a SegWit P2SH address
Generate a SegWit multisig address
Create a Transaction with a P2SH(multisig) input
Build a Transaction w/ psbt format
Add Tapscript / Taproot feature

Running the test suite #
pub run test
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Complementing Libraries #

BIP39 - Mnemonic generation for deterministic keys
BIP32 - BIP32
Base58 Check - Base58 check encoding/decoding

LICENSE MIT #