Hubble Futures

Unified futures exchange client library for Hubble trading platform.

Features

• Unified Interface: Single API for multiple exchanges
• Exchange Support: Aster DEX, WEEX (Binance, OKX coming soon)
• Type Safe: Full type hints and mypy strict mode
• Adapter Pattern: Exchange-specific differences handled internally
• Retry Logic: Automatic retry with exponential backoff for rate limits
• Decimal Precision: Proper decimal formatting for all exchanges

Installation

pip install hubble-futures

Quick Start

from hubble_futures import create_client, ExchangeConfig

# Create exchange configuration
config = ExchangeConfig(
    name="asterdex",
    api_key="your_api_key",
    api_secret="your_api_secret"
)

# Create client
client = create_client(config)

# Fetch market data
klines = client.get_klines("BTCUSDT", "1h", 200)
account = client.get_account()
positions = client.get_positions()

# Place order
order = client.place_order(
    symbol="BTCUSDT",
    side="BUY",
    order_type="LIMIT",
    quantity=0.01,
    price=50000
)

Supported Exchanges

WEEX Configuration

WEEX requires an additional passphrase parameter:

config = ExchangeConfig(
    name="weex",
    api_key="your_api_key",
    api_secret="your_api_secret",
    passphrase="your_passphrase"  # Required for WEEX
)

API Reference

Market Data

• get_klines(symbol, interval, limit) - Fetch candlestick data
• get_mark_price(symbol) - Fetch mark price and funding rate
• get_depth(symbol, limit) - Fetch orderbook
• get_ticker_24hr(symbol) - Fetch 24h statistics
• get_exchange_info() - Fetch exchange metadata
• get_symbol_filters(symbol) - Fetch trading rules

Account & Trading

• get_account() - Fetch account information
• get_positions(symbol) - Fetch open positions
• get_balance() - Fetch balance summary
• place_order(...) - Place an order
• cancel_order(symbol, order_id) - Cancel an order
• get_open_orders(symbol) - Get open orders
• set_leverage(symbol, leverage) - Set leverage
• close_position(symbol, percent) - Close position

Development

Setup

# Clone repository
git clone https://github.com/hubble/hubble-futures.git
cd hubble-futures

# Install dependencies
pip install -e ".[dev]"

Running Tests

# Unit tests
pytest tests/unit -m unit

# Integration tests (mocked API)
pytest tests/integration -m integration

# E2E tests (requires .env with API credentials)
pytest tests/e2e -m e2e

Code Quality

# Format check
ruff check hubble_futures tests

# Type check
mypy hubble_futures

# Coverage
pytest --cov=hubble_futures --cov-report=html

Architecture

┌─────────────────────────────────────────────┐
│  User Code                                  │
│  (Agent, Trading Bot, etc.)                 │
└─────────────────────────────────────────────┘
                 ↓ uses
┌─────────────────────────────────────────────┐
│  Factory: create_client(config)             │
└─────────────────────────────────────────────┘
                 ↓ creates
┌─────────────────────────────────────────────┐
│  BaseFuturesClient (Abstract)               │
│  - Unified interface                        │
│  - Common retry logic                       │
│  - Decimal formatting                       │
└─────────────────────────────────────────────┘
           ↓ implemented by
┌─────────────┬─────────────┬─────────────────┐
│  Aster      │  WEEX       │  Future         │
│  Adapter    │  Adapter    │  Adapters       │
│             │             │  (Binance, OKX) │
└─────────────┴─────────────┴─────────────────┘

Adapter Responsibilities

Each exchange adapter handles:

• API authentication (different signing methods)
• Symbol format conversion (e.g., BTCUSDT ↔ cmt_btcusdt)
• Parameter mapping (e.g., side ↔ type)
• Response normalization (unified return format)

License

MIT License - see LICENSE for details

Contributing

Contributions are welcome! Please:

1. Fork the repository
2. Create a feature branch
3. Add tests for new features
4. Ensure all tests pass (pytest)
5. Submit a pull request

Support

For issues and questions:

• GitHub Issues: https://github.com/hubble/hubble-futures/issues
• Documentation: https://docs.hubble.com/futures-client