<commit_before>"""Private endpoints are available for order management, and account management.
Every private request must be signed using the described authentication scheme.

Find more here: `<https://docs.exchange.coinbase.com/#private>`_

.. module:: private
   :synopsis: Private API

.. moduleauthor:: <NAME> <<EMAIL>>

"""
from base64 import b64decode, b64encode
from hashlib import sha256
from hmac import new
from time import time

from requests import delete, get, post
from requests.auth import AuthBase

from cbexchange.client import RESTClient, PaginationClient

# List Orders Status
STATUS_ALL     = 'all'
STATUS_OPEN    = 'open'
STATUS_PENDING = 'pending'



class CoinbaseExchangeAuth(AuthBase):
  """`<https://docs.exchange.coinbase.com/#authentication>`_

  :param str api_key: the API Key
  :param str secret_key: the base64-encoded signature
  :param str passphrase: the passphrase you specified when creating the API key

  """
  def __init__(self, api_key, secret_key, passphrase):
    self.api_key = api_key
    self.secret_key = secret_key
    self.passphrase = passphrase

  def __call__(self, request):
    timestamp = str(time())
    message = timestamp + request.method + request.path_url + (request.body or '')

    signature = new(b64decode(self.secret_key),
                    msg=message.encode(),
                    digestmod=sha256).digest()

    signature_b64 = b64encode(signature)

    request.headers.update({
      'CB-ACCESS-SIGN': signature_b64,
      'CB-ACCESS-TIMESTAMP': timestamp,
      'CB-ACCESS-KEY': self.api_key,
      'CB-ACCESS-PASSPHRASE': self.passphrase,
      'Content-Type': 'application/json'
    })
<commit_msg>Minor cosmetic changes.<commit_after>"""Private endpoints are available for order management, and account management.
Every private request must be signed using the described authentication scheme.

Find more here: `<https://docs.exchange.coinbase.com/#private>`_

.. module:: private
   :synopsis: Private API

.. moduleauthor:: <NAME> <<EMAIL>>

"""
from base64 import b64decode, b64encode
from hashlib import sha256
from hmac import new
from time import time

from requests import delete, get, post
from requests.auth import AuthBase

from cbexchange.client import RESTClient, PaginationClient

# List Orders Status
STATUS_ALL     = 'all'
STATUS_OPEN    = 'open'
STATUS_PENDING = 'pending'


class CoinbaseExchangeAuth(AuthBase):
  """`<https://docs.exchange.coinbase.com/#authentication>`_

  :param str api_key: the API Key
  :param str secret_key: the base64-encoded signature
  :param str passphrase: the passphrase you specified when creating the API key

  """
  def __init__(self, api_key, secret_key, passphrase):
    self.api_key = api_key
    self.secret_key = secret_key
    self.passphrase = passphrase

  def __call__(self, request):
    timestamp = str(time())
    msg = timestamp + request.method + request.path_url + (request.body or '')

    signature = new(b64decode(self.secret_key),
                    msg=msg.encode(),
                    digestmod=sha256).digest()

    signature_b64 = b64encode(signature)

    request.headers.update({
      'CB-ACCESS-SIGN':signature_b64,
      'CB-ACCESS-TIMESTAMP':timestamp,
      'CB-ACCESS-KEY':self.api_key,
      'CB-ACCESS-PASSPHRASE':self.passphrase,
      'Content-Type':'application/json'
    })

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