Flutte插件solwave_dart的使用方法分享
Flutte插件solwave_dart的使用方法分享
Solwave 是一个 Dart SDK，它使 Solana 移动去中心化应用程序（dApps）能够实现应用内交易。通过使用此 SDK，开发者可以在其移动应用程序中实现应用内交易，而无需为用户构建独立的钱包。
示例代码
以下是使用 solwave_dart 插件的完整示例代码：
// 导入必要的库
import 'package:example/helpers.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:solwave_dart/solwave_dart.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
@override
void initState() {
Solwave.instance.init(
apiKey: 'YOUR_API_KEY', // 替换为您的 API 密钥
);
super.initState();
}
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Solwave Flutter',
theme: ThemeData(
scaffoldBackgroundColor: Colors.black87,
useMaterial3: true,
),
home: const MyHomePage(title: 'Solwave Flutter'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
bool isWalletAvailable = false;
WalletEntity? wallet;
int balance = 0;
getWallet() async {
final w = await Solwave.instance.getUserWallet();
if (w != null) {
final b = await getBalance(w.publicAddress!);
setState(() {
wallet = w;
balance = b;
isWalletAvailable = true;
});
}
}
@override
void initState() {
getWallet();
super.initState();
}
@override
Widget build(BuildContext context) {
return SafeArea(
child: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [Color(0xFF111218), Color(0xFF111218)],
),
),
child: Scaffold(
backgroundColor: Colors.transparent,
body: Stack(
children: [
Align(
alignment: Alignment.topRight,
child: SvgPicture.asset(
'assets/rhombus.svg',
width: MediaQuery.of(context).size.width * 0.8,
fit: BoxFit.fitWidth,
),
),
Align(
alignment: Alignment.centerLeft,
child: Transform.scale(
scale: -1.0,
child: SvgPicture.asset(
'assets/rhombus.svg',
width: MediaQuery.of(context).size.width * 0.8,
fit: BoxFit.fitWidth,
),
),
),
Align(
alignment: Alignment.bottomCenter,
child: Text(
'© $currentYear Saganize',
textAlign: TextAlign.center,
style: const TextStyle(
fontSize: 13,
color: Colors.white60,
fontFamily: 'Inter',
fontWeight: FontWeight.w300,
),
),
),
Padding(
padding:
const EdgeInsets.symmetric(horizontal: 16.0, vertical: 16),
child: SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.max,
mainAxisAlignment: MainAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Solwave',
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 18,
color: Colors.white,
fontFamily: 'Inter',
fontWeight: FontWeight.w300,
),
),
SvgPicture.asset(
'assets/pbsaganize.svg',
fit: BoxFit.fitWidth,
),
],
),
Row(
children: [
SocialIcon(
icon: 'assets/github.svg',
onPress: () {
launchURL('https://github.com/Saganize');
},
),
SocialIcon(
icon: 'assets/twitter.svg',
onPress: () {
launchURL('https://twitter.com/saganize');
},
),
SocialIcon(
icon: 'assets/saga.svg',
onPress: () {
launchURL('https://saganize.com/');
},
),
],
),
],
),
SizedBox(
height: MediaQuery.of(context).size.height * 0.05,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
GestureDetector(
onTap: () {
Solwave.instance.selectWallet(
context,
onWalletSelection: (wallet) {
getWallet();
},
);
},
child: Container(
decoration: BoxDecoration(
border: Border(
top: BorderSide(
color: Colors.grey[500]!,
width: 1.5,
),
left: BorderSide(
color: Colors.grey[500]!,
width: 1.5,
),
right: BorderSide(
color: Colors.grey[500]!,
width: 1.5,
),
),
boxShadow: [
BoxShadow(
color: const Color(0xFF111220)
.withOpacity(0.35),
blurRadius: 35,
offset: const Offset(0, 30),
),
],
borderRadius: BorderRadius.circular(15),
),
padding: const EdgeInsets.symmetric(
horizontal: 12, vertical: 14),
child: Text(
!isWalletAvailable
? 'Select Wallet'
: truncateString(wallet!.publicAddress!),
style: const TextStyle(
fontSize: 16,
color: Colors.white,
fontFamily: 'Inter',
fontWeight: FontWeight.bold,
),
),
),
),
Text(
'${balance / 1000000000} SOL',
textAlign: TextAlign.center,
style: const TextStyle(
fontSize: 16,
color: Colors.white,
fontFamily: 'Inter',
fontWeight: FontWeight.w500,
),
),
],
),
SizedBox(
height: MediaQuery.of(context).size.height * 0.06,
),
const Text(
'Solwave Flutter Scaffold',
style: TextStyle(
fontSize: 28,
color: Colors.white,
fontFamily: 'Rubik',
fontWeight: FontWeight.w600,
),
),
const SizedBox(
height: 8,
),
const Text(
'Unleash the full power of Blockchain with \nSolana and Flutter.',
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 13,
color: Colors.white60,
fontFamily: 'Inter',
fontWeight: FontWeight.w300,
),
),
SizedBox(
height: MediaQuery.of(context).size.height * 0.25,
),
SolwaveButton(
label: 'AIRDROP 1 SOL',
onPressed: !isWalletAvailable
? null
: () async {
await requestAirdrop(wallet!.publicAddress!);
getWallet();
},
),
const SizedBox(
height: 20,
),
SolwaveButton(
label: 'SIGN MESSAGE',
onPressed: !isWalletAvailable
? null
: () {
Solwave.instance.signMessage(context,
message:
'''The quick brown fox jumps over the lazy dog''',
onMessageSigned: (signature, message) {
debugPrint('Signature callback $signature');
});
},
),
const SizedBox(
height: 20,
),
SolwaveButton(
label: 'SEND TRANSACTION',
onPressed: !isWalletAvailable
? null
: () {
Solwave.instance.sendTransaction(
context,
transaction: SolanaTransaction(
instructions: [
SystemInstruction.transfer(
fundingAccount:
Ed25519HDPublicKey.fromBase58(
wallet!.publicAddress!),
recipientAccount:
Ed25519HDPublicKey.fromBase58(
'Bu3mTU2X7SoZUkyNU37jispVqRLkSSwiQuN6rGbvQx9f'),
lamports: 100000,
)
],
),
onTransacitonComplete: (_) {
getWallet();
},
);
},
),
],
),
),
),
],
),
),
),
);
}
}
class SolwaveButton extends StatelessWidget {
final String label;
final VoidCallback? onPressed;
const SolwaveButton({
super.key,
required this.label,
required this.onPressed,
});
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 20.0),
child: Container(
decoration: BoxDecoration(
border: Border(
top: BorderSide(color: Colors.white.withOpacity(0.7), width: 1.5),
),
borderRadius: BorderRadius.circular(15)),
child: TextButton(
style: ButtonStyle(
minimumSize: MaterialStateProperty.all<Size>(
const Size.fromHeight(50),
),
elevation: const MaterialStatePropertyAll(2.0),
backgroundColor: MaterialStateProperty.all<Color>(
onPressed == null ? Colors.white30 : const Color(0xff2380EA)),
shape: MaterialStateProperty.all<RoundedRectangleBorder>(
RoundedRectangleBorder(
borderRadius: BorderRadius.circular(15.0),
),
),
),
onPressed: onPressed,
child: Text(
label,
style: const TextStyle(
color: Colors.white,
fontFamily: 'Inter',
fontWeight: FontWeight.bold,
fontSize: 16),
),
),
),
);
}
}
class SocialIcon extends StatelessWidget {
final String icon;
final VoidCallback onPress;
const SocialIcon({
Key? key,
required this.icon,
required this.onPress,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 6.0),
child: GestureDetector(
onTap: onPress,
child: SvgPicture.asset(
icon,
fit: BoxFit.fitWidth,
),
),
);
}
}
功能说明
-
初始化 SDK：
Solwave.instance.init( apiKey: 'YOUR_API_KEY', // 替换为您的 API 密钥 ); -
获取用户钱包：
final w = await Solwave.instance.getUserWallet(); -
请求空投：
await requestAirdrop(wallet!.publicAddress!); -
签署消息：
Solwave.instance.signMessage(context, message: 'Your message here', onMessageSigned: (signature, message) { debugPrint('Signature callback $signature'); }); -
发送交易：
Solwave.instance.sendTransaction( context, transaction: SolanaTransaction( instructions: [ SystemInstruction.transfer( fundingAccount: Ed25519HDPublicKey.fromBase58(wallet!.publicAddress!), recipientAccount: Ed25519HDPublicKey.fromBase58('Recipient address'), lamports: 100000, ) ], ), onTransacitonComplete: (_) { getWallet(); }, );
1 回复
solwave_dart 是一个针对 Flutter 的插件，可能与 Solana 区块链相关。Solana 是一个高性能区块链平台，专注于快速交易和低费用。如果 solwave_dart 是一个与 Solana 相关的插件，它可能提供了与 Solana 区块链交互的功能，例如创建钱包、发送交易、查询账户信息等。
以下是 solwave_dart 插件的一些潜在使用场景和功能：
1. 钱包管理
- 创建钱包：生成新的 Solana 钱包地址和私钥。
- 导入钱包：通过私钥或助记词导入现有的 Solana 钱包。
- 管理钱包：查看钱包余额、交易历史等。
2. 交易处理
- 发送交易：在 Solana 区块链上发送 SOL（Solana 的原生代币）或其他代币。
- 签名交易：使用私钥对交易进行签名。
- 查询交易状态：查询特定交易的确认状态。
3. 智能合约交互
- 部署智能合约：在 Solana 区块链上部署新的智能合约。
- 调用智能合约：与已部署的智能合约进行交互，执行合约函数。
4. 账户管理
- 查询账户信息：获取指定 Solana 账户的余额、代币持有等信息。
- 创建账户：在 Solana 区块链上创建新的账户。
5. 代币管理
- 创建代币：在 Solana 区块链上创建新的 SPL 代币。
- 管理代币：转账、查询代币余额等。
6. 网络交互
- 选择网络：连接到 Solana 的主网、测试网或开发网。
- 查询区块链信息：获取区块链的最新区块高度、节点信息等。
7. 事件监听
- 监听交易：监听特定地址的交易事件。
- 监听区块：监听新区块的生成。
8. 安全功能
- 加密存储：安全地存储私钥和助记词。
- 身份验证：实现用户身份验证和授权功能。
9. DApp 集成
- 集成 DApp：将
solwave_dart集成到去中心化应用（DApp）中，实现与 Solana 区块链的交互。
10. 跨平台支持
- 多平台支持：
solwave_dart可能支持 iOS、Android 和 Web 平台，使开发者能够跨平台构建区块链应用。
示例代码（假设用法）
import 'package:solwave_dart/solwave_dart.dart';
void main() async {
// 初始化插件
final solwave = SolwaveDart();
// 创建新钱包
final wallet = await solwave.createWallet();
print('Wallet Address: ${wallet.address}');
print('Private Key: ${wallet.privateKey}');
// 查询余额
final balance = await solwave.getBalance(wallet.address);
print('Balance: $balance SOL');
// 发送交易
final txId = await solwave.sendTransaction(
sender: wallet.privateKey,
receiver: 'RECEIVER_ADDRESS',
amount: 1.0,
);
print('Transaction ID: $txId');
}