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import json

from importlib import resources

import requests

import etherscan

from etherscan import configs

from etherscan.enums.fields_enum import FieldsEnum as fields

from etherscan.utils.parsing import ResponseParser as parser

class Etherscan:

def __new__(cls, api_key: str, net: str = "MAIN"):

with resources.path(configs, f"{net.upper()}-stable.json") as path:

config_path = str(path)

return cls.from_config(api_key=api_key, config_path=config_path, net=net)

@staticmethod

def __load_config(config_path: str) -> dict:

with open(config_path, "r") as f:

return json.load(f)

@staticmethod

def __run(func, api_key: str, net: str):

def wrapper(*args, **kwargs):

url = (

f"{fields.PREFIX.format(net.lower()).replace('-main','')}"

f"{func(*args, **kwargs)}"

f"{fields.API_KEY}"

f"{api_key}"

)

r = requests.get(url, headers={"User-Agent": ""})

return parser.parse(r)

return wrapper

@classmethod

def from_config(cls, api_key: str, config_path: str, net: str):

config = cls.__load_config(config_path)

for func, v in config.items():

if not func.startswith("_"): # disabled if _

attr = getattr(getattr(etherscan, v["module"]), func)

setattr(cls, func, cls.__run(attr, api_key, net))

return cls