solana_client

A simple and easy-to-use Flutter/Dart client for interacting with the Solana blockchain. This package provides a high-level interface for common Solana operations including balance queries, SOL transfers, SPL token operations, and transaction history retrieval.

Features

• 🔐 Mnemonic-based wallet management - Derive Solana keypairs from BIP39 mnemonic phrases
• 💰 Balance queries - Get SOL and SPL token balances for any wallet
• 📤 Token transfers - Send SOL and SPL tokens to any address
• 📜 Transaction history - Retrieve transaction history for tokens

Getting started

Add solana_client to your pubspec.yaml:

flutter pub add solana_client

Usage

Generate a new mnemonic

import 'package:solana_client/solana_utils.dart';

// Generate a new 12-word mnemonic
final mnemonic = await SolanaUtils.generateMnemonic();
print('Your mnemonic: $mnemonic');

Initialize the client

import 'package:solana_client/solana_client.dart';

// Create a client for devnet
final client = SolanaClient(
  network: SolanaNetwork.devnet,
  mnemonic: 'your twelve word mnemonic phrase goes here',
);

// Or for mainnet-beta
final mainnetClient = SolanaClient(
  network: SolanaNetwork.mainnetBeta,
  mnemonic: 'your twelve word mnemonic phrase goes here',
  account: 0,
  change: 0,
);

Get wallet address

final address = await client.getAddress();
print('Wallet address: $address');

Check Solana balance

final balance = await client.getSolanaBalance();
print('SOL balance: $balance');

Check token balance

final tokenBalance = await client.getTokenBalance(
  tokenMint: 'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v', // USDC
);
print('Token balance: $tokenBalance');

Send Solana

final response = await client.sendSolana(
  to: 'RecipientWalletAddressHere',
  amount: 0.1, // Amount in SOL
);

print(response.message);

Send token

final response = await client.sendToken(
  to: 'RecipientWalletAddressHere',
  tokenMint: 'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v', // USDC
  amount: 10.0, // Amount in token units
);

print(response.message);

Get token transaction history

final transactions = await client.getTokenTransactions(
  limit: 10,
);

for (final tx in transactions) {
  print('Transaction: $tx');
}

Dependencies

• solana - Core Solana functionality
• bip39 - BIP39 mnemonic generation and validation

License

This package is licensed under the MIT License. See the LICENSE file for details.