非专业CoinBase接口签名无效

import hmac
import hashlib
import time
import requests
from urllib.parse import urlencode

# 假设这是你的API密钥和密钥
api_key = 'your_api_key'
api_secret = b'your_api_secret'

# 请求参数
params = {
    'request': '/v2/prices/BTC-USD/spot',
    'nonce': int(time.time() * 1000),  # 当前时间戳
}

# 按字典序排序并编码
encoded_params = urlencode(sorted(params.items()))

# 生成签名
signature = hmac.new(api_secret, encoded_params.encode('utf-8'), hashlib.sha256).hexdigest()

# 构建请求头
headers = {
    'CB-ACCESS-KEY': api_key,
    'CB-ACCESS-SIGN': signature,
    'CB-ACCESS-TIMESTAMP': str(params['nonce']),
    'Content-Type': 'application/json'
}

# 发送请求
response = requests.get('https://api.coinbase.com/v2/prices/BTC-USD/spot', headers=headers)

print(response.json())