solana_kit_helius 0.2.1

Helius SDK for the Solana Kit Dart SDK.

solana_kit_helius

Helius SDK for the Solana Kit Dart SDK. A Dart port of the Helius TypeScript SDK, providing DAS API, enhanced transactions, webhooks, smart transactions, ZK compression, staking, wallet API, WebSocket subscriptions, and auth.

Features

• DAS API - Digital Asset Standard methods for querying assets, proofs, and metadata
• Enhanced Transactions - Parsed transaction history with human-readable types
• Webhooks - Create, manage, and delete webhook subscriptions
• Smart Transactions - Optimized transaction building with compute unit estimation and priority fees
• ZK Compression - Compressed account and token operations via Light Protocol
• Staking - Create stake, unstake, and withdraw transactions via Helius validators
• Wallet API - Identity resolution, balances, history, and transfers
• WebSockets - Real-time subscription support
• Auth - Project and API key management
• Priority Fees - Estimate priority fees for transactions
• RPC V2 - Enhanced RPC methods with pagination

Installation

dart pub add solana_kit_helius

If you're working inside the solana_kit monorepo, workspace resolution uses local packages automatically.

Documentation

• Package page: https://pub.dev/packages/solana_kit_helius
• API reference: https://pub.dev/documentation/solana_kit_helius/latest/

Usage

import 'package:solana_kit_helius/solana_kit_helius.dart';

final helius = createHelius(
  HeliusConfig(apiKey: 'your-api-key'),
);

// DAS API
final asset = await helius.das.getAsset(
  GetAssetRequest(id: 'asset-id'),
);

// Priority fees
final fees = await helius.priorityFee.getPriorityFeeEstimate(
  GetPriorityFeeEstimateRequest(
    accountKeys: ['account-key'],
  ),
);

// Enhanced transactions
final txns = await helius.enhanced.getTransactions(
  GetTransactionsRequest(transactions: ['tx-sig']),
);

Configuration

// Mainnet (default)
final helius = createHelius(
  HeliusConfig(apiKey: 'your-api-key'),
);

// Devnet
final helius = createHelius(
  HeliusConfig(
    apiKey: 'your-api-key',
    cluster: HeliusCluster.devnet,
  ),
);

// Custom HTTP client (useful for testing)
import 'package:http/http.dart' as http;

final helius = createHelius(
  HeliusConfig(apiKey: 'your-api-key'),
  client: http.Client(),
);

Example

Use example/main.dart as a runnable starting point for solana_kit_helius.

• Import path: package:solana_kit_helius/solana_kit_helius.dart
• This section is centrally maintained with mdt to keep package guidance aligned.
• After updating shared docs templates, run docs:update from the repo root.

Maintenance

• Validate docs in CI and locally with docs:check.
• Keep examples focused on one workflow and reference package README sections for deeper API details.