{"id":27061186,"url":"https://github.com/duanyytop/ckb_sdk_dart","last_synced_at":"2025-04-05T14:19:49.011Z","repository":{"id":49551713,"uuid":"208374665","full_name":"duanyytop/ckb_sdk_dart","owner":"duanyytop","description":"Dart SDK for 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CKB SDK Dart\n\n[![License](https://img.shields.io/badge/license-MIT-green)](https://github.com/nervosnetwork/ckb-sdk-java/blob/develop/LICENSE)\n[![Pub](https://img.shields.io/pub/v/ckb_sdk_dart.svg)](https://pub.dev/packages/ckb_sdk_dart)\n[![CircleCI](https://circleci.com/gh/duanyytop/ckb_sdk_dart/tree/master.svg?style=svg)](https://circleci.com/gh/duanyytop/ckb_sdk_dart/tree/master)\n[![Github Actions CI](https://github.com/duanyytop/ckb_sdk_dart/workflows/Dart%20CI/badge.svg)](https://github.com/duanyytop/ckb_sdk_dart/actions?query=workflow%3A%22Dart+CI%22)\n[![Platform](https://img.shields.io/badge/Platforms-Flutter%20%7C%20Dart_VM-4e4e4e.svg?colorA=28a745)](#installation)\n[![codecov](https://codecov.io/gh/duanyytop/ckb_sdk_dart/branch/master/graph/badge.svg)](https://codecov.io/gh/duanyytop/ckb_sdk_dart)\n\nDart SDK for [Nervos CKB](https://github.com/nervosnetwork/ckb)\n\n## Prerequisites\n\n- Dart 2.5 or later\n\n## Installation\n\nYou should install dart firstly through [Dart](https://dart.dev/get-dart).\n\n## Usage\n\n### JSONRPC\n\nA simple usage example of jsonrpc request which in `example/rpc.dart`:\n\n```dart\nmain() async {\n  Api api = Api('http://localhost:8114', hasLogger: false);\n  String blockHash = await api.getBlockHash('0x2');\n  Block block = await api.getBlock(blockHash);\n  print(block.transactions[0].outputs[0].lock.toJson());\n}\n```\n\n### Simple Wallet example\n\nA simple usage example of `sendTransaction` which is in `example/wallet.dart`:\n\n```dart\n\nmain() async {\n    api = Api(NODE_URL);\n\n    print('Before transferring, sender\\'s balance: ${await getBalance(TestAddress)} CKB');\n\n    print('Before transferring, first receiver\\'s balance: ${await getBalance(ReceiveAddresses[0])} CKB');\n\n    print('Before transferring, change address\\'s balance: ${await getBalance(changeAddress)} CKB');\n\n    var hash = await sendCapacity(receivers, changeAddress);\n    print('Transaction hash: $hash');\n\n    // waiting transaction into block, sometimes you should wait more seconds\n    sleep(Duration(seconds: 30));\n\n    print('After transferring, sender\\'s balance: ${await getBalance(TestAddress)} CKB');\n\n    print('After transferring, receiver\\'s balance: ${await getBalance(ReceiveAddresses[0])} CKB');\n\n    print('After transferring, change address\\'s balance: ${await getBalance(changeAddress)} CKB');\n}\n\n```\n\n## Development\n\nIf you want to develop by yourself, you can download this project to your local.\n\n```shell\ngit clone https://github.com/duanyytop/ckb_sdk_dart.git\ncd ckb_sdk_dart\n\npub get                       // download and install dependence\npub run test                  // run sdk unit tests\n\ndart ./example/main.dart       // rpc request example\ndart ./example/single_key_single_sig_tx_example.dart    // single key and single signature transaction \ndart ./example/multi_key_single_sig_tx_example.dart     // multi keys and single signature transaction \ndart ./example/dao_deposit.dart                         // Nervos DAO deposit example\ndart ./example/dao_withdraw.dart                        // Nervos DAO withdraw phase1 and phase2 example\ndart ./example/carrot_contract.dart                     // simple contract(with carrot string) example\ndart ./example/udt.contract.dart                        // simple udt contract example\n```\n\n## Features and bugs\n\nPlease create pull requests or issues in this GitHub repo if you want to contribute new features or find bugs.\n\nWelcome to join us. Thanks.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fduanyytop%2Fckb_sdk_dart","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fduanyytop%2Fckb_sdk_dart","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fduanyytop%2Fckb_sdk_dart/lists"}