带有python请求模块的比特币json rpc？

Question

我已经尝试了几个小时，我只是不知道我做错了什么。它仅用于规划/研究（非高性能）——使用来自 github 的一些代码——但我需要看到它的功能。

RPC_USER = username
RPC_PASS = pasword
rpc_id =  ID HERE
jsonrpc = "2.0"
payload = {"jsonrpc": jsonrpc, "id": rpc_id, "method": method, "params": params}
authstr = base64.encodestring(bytes('%s:%s' % (RPC_USER, RPC_PASS), 'utf-8')).strip() 
request_headers = {"Authorization": "Basic %s" % authstr, 'content-type': 'application/json'}
try:
    response = requests.get(RPC_URL, headers = request_headers, data = json.dumps(payload)).json()
    print(response['result'])      
except Exception as e: print(str(e))
if response['id'] != rpc_id:
        raise ValueError("invalid response id!")

我收到如下错误：

这是整个追溯：

Expecting value: line 1 column 1 (char 0) # 打印异常

Traceback (most recent call last): 
  File "miner_2017.py", line 411, in <module>
    solo_miner(bin2hex("------coinbase message here -----"), "-----bitcoin address here-----")
  File "miner_2017.py", line 401, in solo_miner
    mined_block, hps = block_mine(rpc_getblocktemplate(), coinbase_message, 0, address, timeout=60)
  File "miner_2017.py", line 63, in rpc_getblocktemplate
    try: return rpc("getblocktemplate", [{}])
  File "miner_2017.py", line 52, in rpc
    if response['id'] != rpc_id:
UnboundLocalError: local variable 'response' referenced before assignment  

在做了一些查找之后，从字节对象而不是字符串对象解码 json 对象似乎是一个问题。我不知道如何解决这个问题。由于json问题，“响应”变量赋值似乎不成功。如何从请求中获取字符串形式的 json 对象？

有人会帮我吗？谢谢

Answer 1

#!/usr/bin/env python

import getpass
import json
import requests    

def instruct_wallet(method, params):
    url = "http://127.0.0.1:8332/"
    payload = json.dumps({"method": method, "params": params})
    headers = {'content-type': "application/json", 'cache-control': "no-cache"}
    try:
        response = requests.request("POST", url, data=payload, headers=headers, auth=(rpc_user, rpc_password))
        return json.loads(response.text)
    except requests.exceptions.RequestException as e:
        print e
    except:
        print 'No response from Wallet, check Bitcoin is running on this machine'

rpc_user='foo'
rpc_password='bar'
passphrase = getpass.getpass('Enter your wallet passphrase: ')
timeout = raw_input('Unlock for how many seconds: ')

answer = instruct_wallet('walletpassphrase', [passphrase, timeout])
if answer['error'] != None:
    print answer['error']
else:
    print answer['result']

我正在为山寨币使用类似的东西