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This is a tutorial for flutter developers to use gs-ur-dart. This SDK can help developers easily achieve data interaction between App and GsWallet Hardware.

Environment​

Please check the Flutter SDK version and make sure it isn't lower than version 3.22.1. You can use the flutter upgrade command to upgrade the Flutter SDK to the most recent version.

$ flutter upgrade

Install SDK​

// pubspec.yaml

  dependencies:
    flutter:
      sdk: flutter
    gs_ur_dart: ^1.0.0

// bash
$ flutter pub get

SDK Structure​

GS-UR-DART
|   pubspec.lock
|   pubspec.yaml
|   README.md
+---.dart_tool
+---example
+---lib
|   +---src
|       +---bc_ur
|       +---chain
|       +---keyring
|       +---registry
|       +---utils
+---test

Example​

Contains two demos for handling QRcodes.

Lib/src​

This folder contains core implementation of the sdk. Main subfolders include:

  • bc_ur: UR Protocol implementation
  • chain: Blockchains Configure
  • keyring: APIs implementation
  • registry: Various objects implementations based on the UR protocol
  • utils: a set of useful utilities

Test​

Contains module test code