Privacy SDK features:
- Confidential transactions with Pedersen commitments
- Bulletproof range proofs for value validation
- Ring signatures for anonymous signing with key images
- Stealth addresses for unlinkable payments
- Blinding factor generation and value operations
Contract SDK features:
- Smart contract deployment (standard and CREATE2)
- Call (view/pure) and Send (state-changing) operations
- Event log filtering, subscription, and decoding
- ABI encoding/decoding utilities
- Gas estimation and contract verification
- Multicall for batched operations
- Storage slot reading
Languages implemented:
- JavaScript/TypeScript
- Python (async with httpx)
- Go
- Rust (async with reqwest/tokio)
- Java (async with OkHttp)
- Kotlin (coroutines with Ktor)
- Swift (async/await with URLSession)
- Flutter/Dart
- C (header-only interface)
- C++ (header-only with std::future)
- C#/.NET (async with HttpClient)
- Ruby (Faraday HTTP client)
All SDKs follow consistent patterns:
- Configuration with API key, endpoint, timeout, retries
- Custom exception types with error codes
- Retry logic with exponential backoff
- Health check endpoints
- Closed state management
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