From 31c99325eee7f5c73d2ad272b90a95b4fd4fb6b0 Mon Sep 17 00:00:00 2001
From: Scott Alfter <scott@alfter.us>
Date: Sun, 21 Jun 2015 23:39:24 -0700
Subject: [PATCH] initial commit

---
 .gitignore     |  38 +++++++++++++++++
 PyCryptopia.py | 113 +++++++++++++++++++++++++++++++++++++++++++++++++
 README.md      |   7 +++
 3 files changed, 158 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 PyCryptopia.py
 create mode 100644 README.md

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9519088
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,38 @@
+*.py[cod]
+
+# C extensions
+*.so
+
+# Packages
+*.egg
+*.egg-info
+dist
+build
+eggs
+parts
+bin
+var
+sdist
+develop-eggs
+.installed.cfg
+lib
+lib64
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+nosetests.xml
+
+# Translations
+*.mo
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+*~
+test.py
diff --git a/PyCryptopia.py b/PyCryptopia.py
new file mode 100644
index 0000000..9314e52
--- /dev/null
+++ b/PyCryptopia.py
@@ -0,0 +1,113 @@
+#!/usr/bin/env python
+# coding=iso-8859-1
+
+# PyCryptopia: a Python binding to the Cryptopia API
+#
+# based on PyCryptsy; implements the subset of functionality the
+# Cryptopia API currently exposes
+#
+# Copyright © 2013-2015 Scott Alfter
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+
+import pycurl
+import time
+import hashlib
+import urllib
+import StringIO
+import json
+
+class PyCryptopia:
+  
+  # constructor
+  def __init__(self):
+    pass
+    
+  # issue any supported query (method: string)
+  def Query(self, method):
+    # generate GET URL
+    url="https://www.cryptopia.co.nz/api/"+method
+
+    # curl handle
+    b=StringIO.StringIO()
+    ch=pycurl.Curl()
+    ch.setopt(pycurl.URL, url)
+    ch.setopt(pycurl.SSL_VERIFYPEER, 0)
+    ch.setopt(pycurl.WRITEFUNCTION, b.write)
+    try:
+      ch.perform()
+    except pycurl.error, error:
+      errno, errstr=error
+      raise Exception("pycurl error: "+errstr)
+  
+    # decode and return
+    try:
+      rtnval=json.loads(b.getvalue())
+    except:
+      raise Exception("unable to decode response")
+    return rtnval
+
+  # get market ID (return None if not found)
+  def GetMarketID (self, src, dest):
+    try:
+      r=self.Query("GetTradePairs")
+      for i, market in enumerate(r["Data"]):
+        if market["Symbol"].upper()==src.upper() and market["BaseSymbol"].upper()==dest.upper():
+          mkt_id=market["Id"]
+      return mkt_id
+    except:
+      return None
+    
+  # get market IDs for a destination currency
+  def GetMarketIDs (self, dest):
+    try:
+      rtnval={}
+      r=self.Query("GetTradePairs")
+      for i, market in enumerate(r["Data"]):
+        if market["BaseSymbol"].upper()==dest.upper():
+          rtnval[market["Symbol"].upper()]=market["Id"]
+      return rtnval
+    except:
+      return None
+    
+  # get buy price for a market ID
+  def GetBuyPriceByID (self, mktid):
+    try:
+      r=self.Query("GetMarketOrders/"+str(mktid))
+      return float(r["Data"]["Buy"][0]["Price"])
+    except:
+      return 0
+
+  # get sell price for a market ID
+  def GetSellPriceByID (self, mktid):
+    try:
+      r=self.Query("GetMarketOrders/"+str(mktid))
+      return float(r["Data"]["Sell"][0]["Price"])
+    except:
+      return 0
+
+  # get buy price for a currency pair
+  def GetBuyPrice (self, src, dest):
+    return self.GetBuyPriceByID(self.GetMarketIDs(dest)[src])
+
+  # get sell price for a currency pair
+  def GetSellPrice (self, src, dest):
+    return self.GetSellPriceByID(self.GetMarketIDs(dest)[src])
+
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..732c0ba
--- /dev/null
+++ b/README.md
@@ -0,0 +1,7 @@
+PyCryptopia
+===========
+
+Python binding to the Cryptopia API (https://www.cryptopia.co.nz/Home/Api)
+
+This is based largely on PyCryptsy (https://github.com/salfter/PyCryptsy) and
+implements the subset of PyCryptsy methods applicable to the Cryptopia API.