Signing Requests

# A GET RESToverHTTP sample demonstrating the generation of signatures and signing of requests.
import base64
import hmac
import time
from urllib.parse import urljoin
import requests
def sign_request(secret_key, method, path, body):
    signing_key = base64.b64decode(secret_key)
    timestamp = str(int(time.time() * 1000)).encode('utf-8')
    message = b'\n'.join([timestamp, method.upper(), path, body])
    digest = hmac.digest(signing_key, message, 'sha256')
    signature = base64.b64encode(digest)
    return timestamp, signature
access_key = '<access-key>'
secret_key = '<secret-key>'
host = 'https://api.testnet.paradigm.trade'
# GET example
method = b'GET'
path = b'/v2/drfq/instruments/?venue=DBT&asset=BTC'
body = b''
timestamp, signature = sign_request(secret_key, method, path, body)
headers = {
    'Authorization': 'Bearer {}'.format(access_key),
    'Paradigm-API-Timestamp': timestamp,
    'Paradigm-API-Signature': signature,
}
url = urljoin(host, path.decode())
response = requests.get(url, headers=headers)
print(response.status_code)
print(response.text)

# A POST RESToverHTTP sample demonstrating the generation of signatures and signing of requests.
import base64
import hmac
import json
import time
from urllib.parse import urljoin
import requests
def sign_request(secret_key, method, path, body):
    signing_key = base64.b64decode(secret_key)
    timestamp = str(int(time.time() * 1000)).encode('utf-8')
    message = b'\n'.join([timestamp, method.upper(), path, body])
    digest = hmac.digest(signing_key, message, 'sha256')
    signature = base64.b64encode(digest)
    return timestamp, signature
access_key = '<access-key>'
secret_key = '<secret-key>'
host = 'https://api.testnet.paradigm.trade'
# POST example
method = b'POST'
path = b'/v1/echo/'
data = {'message': 'hello'}
body = json.dumps(data).encode('utf-8')
timestamp, signature = sign_request(secret_key, method, path, body)
headers = {
    'Authorization': 'Bearer {}'.format(access_key),
    'Paradigm-API-Signature': signature,
    'Paradigm-API-Timestamp': timestamp,
    'Accept': 'application/json',
}
url = urljoin(host, path.decode())
response = requests.post(url, headers=headers, json=data)
print(response.status_code)
print(response.text)