异步从链上获取ETH余额 address ETH balance

eth_address_balance.py

import grequests
import urllib

address_list = [
    "0xc94770007dda54cF92009BFF0dE90c06F603a09f",
    '0x054c64741dbafdc19784505494029823d89c3b13',
    '0x0b4bdc478791897274652dc15ef5c135cae61e60',
    '0x4af328c52921706dcb739f25786210499169afe6',
    '0x49bd2da75b1f7af1e4dfd6b1125fecde59dbec58',
    '0x829bd824b016326a401d083b33d092293333a830',
    '0x55296f69f40ea6d20e478533c15a6b08b654e758',
    '0x190289e0f72dfd611121da7dd9f3e6c92b8f71e4',
    '0x0bc61dded5f6710c637cf8288eb6058766ce1921',
    '0xd01db73e047855efb414e6202098c4be4cd2423b',
    '0xd37532d304214d588aeeac4c365e8f1d72e2304a',
]

request_list = []
for address in address_list:
    params_str = '["{}","latest"]'.format(address)
    params_encode = urllib.parse.quote(params_str)
    print(params_encode)
    rs = grequests.get(url="https://api.infura.io/v1/jsonrpc/mainnet/eth_getBalance?params={}".format(params_encode))
    print(rs)
    request_list.append(rs)
try:
    ret = grequests.map(request_list, size=20)
    success_count = 0
    failed_count = 0
    print(ret)
    for r in ret:
        if r.status_code == 200:
            success_count += 1
            print(r.json())
            balance = int(r.json()["result"], 16)
            print("{} Wei".format(balance))
            print("{} Ether".format(balance * 10 ** -18))
        else:
            failed_count += 1
            print(r.text)
except Exception as e:
    print("*** Exception:{}, holder_list:{}".format(e, address_list))