import json import requests from loguru import logger from typing import Any, Optional, Dict from web3.types import ChecksumAddress def fetch_abi(address: ChecksumAddress, headers: Optional[Dict[str, Any]] = None, params: Optional[Dict[str, Any]] = None) -> Optional[Dict[str, Any]]: url = f'https://api.etherscan.io/api?module=contract&action=getabi&address={address}' response = requests.get(url, headers=headers, params=params) response.raise_for_status() data = response.json() # Check for error in the response if data['status'] == '0': logger.error(f"Error fetching ABI: {data.get('result')}") return None return json.loads(data['result']) def load_config(path: str) -> dict: with open(path, 'r', encoding='utf-8') as f: return json.loads(f.read())