Python3

Python

#!/usr/bin/env python
# encoding=utf8

import sys
import json
import time
import hashlib
import requests
import random
import string


TOKEN = "5c9dc98fb92e2"
SECRET = "hkyavn13ybc1qunp4rpb"
HOST = "http://api.xxx.com"


'''
Request usage description

args = dict()
args['url']     = 'http://blog.csdn.net/iloveyin/article/details/21444613'
args['method']  = 'GET'
args['cookies'] = {}
args['data']    = {}
args['header']  = {"user-agent":"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)"}
args['proxy']   = '10.0.0.5'
args['timeout'] = 30
args['encoding']= 'gbk'

result = request(args)

result['code']
result['content']
'''

# HTTP request helper
def request(args):

    if 'timeout' not in args:
        args['timeout'] = 60

    if 'method' not in args:
        args['method'] = 'GET'
    else:
        args['method'] = args['method'].upper()

    # Header configuration
    if 'headers' not in args:
        args['headers'] = {}

    if 'user-agent' not in args['headers']:
        args['headers']['user-agent'] = (
            "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) "
            "AppleWebKit/537.36 (KHTML, like Gecko) "
            "Chrome/58.0.3029.110 Safari/537.36"
        )

    # Cookies
    cookies = {}
    if 'cookies' in args:
        cookies = args['cookies']

    if 'data' not in args:
        args['data'] = {}

    # Inject signed headers
    args['headers'].update(mkHeader(args['data']))

    if args['method'] == 'GET':
        r = requests.get(
            args['url'],
            params=args['data'],
            cookies=cookies,
            headers=args['headers'],
            timeout=int(args['timeout']),
            verify=False
        )
    elif args['method'] == 'POST':
        r = requests.post(
            args['url'],
            data=args['data'],
            cookies=cookies,
            headers=args['headers'],
            timeout=int(args['timeout']),
            verify=False
        )

    result = {}
    result['code'] = r.status_code

    ck = {}
    for cookie in r.cookies:
        ck.update({cookie.name: cookie.value})

    result['cookies'] = ck
    result['headers'] = r.headers
    result['content'] = r.content

    return result


# Generate signed request headers
def mkHeader(data=dict()):
    ran_str = ''.join(random.sample(string.ascii_letters + string.digits, 5))
    Nonce = "%d_%s" % (int(time.time()), ran_str)

    header = dict()
    header['Token'] = TOKEN
    header['Nonce'] = Nonce
    header['Signature'] = sign(Nonce, data)

    return header


# Signature generation
def sign(Nonce, data=dict()):

    tmp = list()
    tmp.append(TOKEN)
    tmp.append(SECRET)
    tmp.append(Nonce)

    for d, x in data.items():
        tmp.append(str(d) + "=" + str(x))

    return hashlib.sha1(''.join(sorted(tmp)).encode("utf8")).hexdigest()


if __name__ == '__main__':

    # Query Kline data
    args = dict()
    args['url']     = HOST + '/v1/spot/kline'
    args['method']  = 'GET'
    args['data']    = dict()
    args['data']['symbol'] = "BTC-USDT"
    args['data']['period'] = "1min"
    args['data']['size']   = 2000

    result = request(args)

    if result['code'] == 200:
        print(result['content'])
    else:
        print(result)

    print('-' * 100)

    # Query account assets
    args = dict()
    args['url']    = HOST + '/v1/wallet/list'
    args['method'] = 'GET'
    args['data']   = dict()
    args['data']['currency'] = "BTC"

    result = request(args)

    if result['code'] == 200:
        print(result['content'])
    else:
        print(result)

    print('-' * 100)

    # Place order
    args = dict()
    args['url']    = HOST + '/v1/spot/order/create'
    args['method'] = 'POST'
    args['data']   = dict()
    args['data']['symbol'] = "BTC-USDT"
    args['data']['type']   = "buy-limit"
    args['data']['amount'] = 1.343432
    args['data']['price']  = 500.323214

    result = request(args)

    if result['code'] == 200:
        print(result['content'].decode("utf8"))
    else:
        print(result)