requests 从infura API获取地址余额 demo

eth_address_balance_0.py

# curl -G https://api.infura.io/v1/jsonrpc/mainnet/eth_getBalance --data-urlencode 'params=["0xc94770007dda54cF92009BFF0dE90c06F603a09f","latest"]'
import requests
import urllib
params_str = '["{}","latest"]'.format('0xc94770007dda54cF92009BFF0dE90c06F603a09f')
params_encode = urllib.parse.quote(params_str)
r = requests.get(
    url="https://api.infura.io/v1/jsonrpc/mainnet/eth_getBalance?params={}".format(params_encode),
)
print(r.json())
balance = int(r.json()["result"],16)
print("{} Wei".format(balance))
print("{} Ether".format(balance*10**-18))