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所以我正在使用 kraken api 文档，我正在尝试返回我的帐户余额，但是在运行我的 python 文件时，我得到了{'error': ['EAPI:Invalid nonce']}返回。对于我在签名和请求中的随机数，我正在使用str(int(1000*time.time())).

import time
import os
import requests
# Signiture imports
import urllib.parse
import hashlib
import hmac
import base64

# Create Signture 
def get_kraken_signature(urlpath, data, secret):

    postdata = urllib.parse.urlencode(data)
    encoded = (str(data['nonce']) + postdata).encode()
    message = urlpath.encode() + hashlib.sha256(encoded).digest()

    mac = hmac.new(base64.b64decode(secret), message, hashlib.sha512)
    sigdigest = base64.b64encode(mac.digest())
    return sigdigest.decode()

api_sec = os.environ['API_SEC_KRAKEN']

data = {
    "nonce": str(int(1000*time.time())), 
}       
signature = get_kraken_signature("/0/private/AddOrder", data, api_sec)
print("API-Sign: {}".format(signature))




# Account Balances
# Read Kraken API key and secret stored in environment variables
api_url = "https://api.kraken.com"
api_key = os.environ['API_KEY_KRAKEN']
api_sec = os.environ['API_SEC_KRAKEN']

# Attaches auth headers and returns results of a POST request
def kraken_request(uri_path, data, api_key, api_sec):
    headers = {}
    headers['API-Key'] = api_key
    # get_kraken_signature() as defined in the 'Authentication' section
    headers['API-Sign'] = get_kraken_signature(uri_path, data, api_sec)             
    req = requests.post((api_url + uri_path), headers=headers, data=data)
    return req

# Construct the request and print the result
resp = kraken_request('/0/private/Balance', {
    "nonce": str(int(1000*time.time()))
}, api_key, api_sec)

print(resp.json())

我做了一些研究，我知道随机数必须增加价值，所以认为这会起作用，感谢任何帮助：）

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