Add authentication for rest client

bfxapi/utils/auth.py

@@ -0,0 +1,39 @@
+import hashlib
+import hmac
+import time
+
+def generate_auth_payload(API_KEY, API_SECRET):
+  nonce = _gen_nonce()
+  authMsg, sig = _gen_signature(API_KEY, API_SECRET, nonce)
+
+  return {
+    'apiKey': API_KEY,
+    'authSig': sig,
+    'authNonce': nonce,
+    'authPayload': authMsg,
+    'event': 'auth'
+  }
+
+def generate_auth_headers(API_KEY, API_SECRET, path, body):
+  nonce = str(_gen_nonce())
+  signature = "/api/v2/{}{}{}".format(path, nonce, body)
+  print (API_KEY)
+  print (API_SECRET)
+  h = hmac.new(API_SECRET.encode('utf8'), signature.encode('utf8'), hashlib.sha384)
+  signature = h.hexdigest()
+
+  return {
+    "bfx-nonce": nonce,
+    "bfx-apikey": API_KEY,
+    "bfx-signature": signature
+  }
+
+def _gen_signature(API_KEY, API_SECRET, nonce):
+  authMsg = 'AUTH{}'.format(nonce)
+  secret = API_SECRET.encode('utf8')
+  sig = hmac.new(secret, authMsg.encode('utf8'), hashlib.sha384).hexdigest()
+
+  return authMsg, sig
+
+def _gen_nonce():
+  return int(round(time.time() * 1000000))