bech32 0.1.1

  • Readme
  • Changelog
  • Example
  • Installing
  • 75

Bech32 #

pub package

An implementation of the BIP173 spec for Segwit Bech32 address format.

Examples #

  Segwit address = segwit.decode("bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx");
  // => 5128751e76e8199196d454941c45d1b3a323f1433bd6751e76e8199196d454941c45d1b3a323f1433bd6
  // => 1

Exceptions #

The specification defines a myriad of cases in which decoding and encoding should fail. Please make sure your code catches all the relevant exception defined in lib/exceptions.dart.

Installing #

Add it to your pubspec.yaml:

  bech32: any

Licence overview #

All files in this repository fall under the license specified in COPYING. The project is licensed as AGPL with a lesser clause. It may be used within a proprietary project, but the core library and any changes to it must be published online. Source code for this library must always remain free for everybody to access.

Thanks #


  • Add example
  • Add test demontrating using a public key to generate a P2WPKH and P2WSH address


  • Initial release


import 'package:hex/hex.dart';
import 'package:bech32/bech32.dart';

void main() {
  Segwit address = segwit.decode(
  print("scriptPubKey: ${address.scriptPubKey}");
  print("version: ${address.version}");
  print("program: ${address.program}");

  Segwit otherAddress = Segwit('bc', 1, [0, 0]);

  Segwit yetAnOtherAddress = Segwit('bc', 0, HEX.decode("751e76e8199196d454941c45d1b3a323f1433bd6"));

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:

  bech32: ^0.1.1

2. Install it

You can install packages from the command line:

with pub:

$ pub get

with Flutter:

$ flutter pub get

Alternatively, your editor might support pub get or flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:bech32/bech32.dart';
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Learn more about scoring.

We analyzed this package on May 16, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.8.1
  • pana: 0.13.8-dev

Health suggestions

Fix lib/src/bech32.dart. (-0.50 points)

Analysis of lib/src/bech32.dart reported 1 hint:

line 38 col 9: Use isEmpty instead of length

Fix lib/src/segwit.dart. (-0.50 points)

Analysis of lib/src/segwit.dart reported 1 hint:

line 99 col 12: Use isEmpty instead of length

Maintenance suggestions

Package is getting outdated. (-49.86 points)

The package was last published 78 weeks ago.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.0.0 <3.0.0
convert ^2.0.2 2.1.1
Transitive dependencies
charcode 1.1.3
typed_data 1.1.6
Dev dependencies
hex any
test ^1.3.4