Implemented parallel async API calls and implemented support for bittrex and poloniex. Added missing files to commit

.idea/workspace.xml

@@ -2,14 +2,10 @@
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       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/bot/core.py" afterPath="$PROJECT_DIR$/bot/core.py" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/bot/market_data_crawler.py" afterPath="$PROJECT_DIR$/bot/market_data_crawler.py" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/requirements.txt" afterPath="$PROJECT_DIR$/requirements.txt" />
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@@ -20,16 +16,6 @@
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@@ -85,9 +71,11 @@
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         <entry file="file://$PROJECT_DIR$/bot/core.py">
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@@ -102,11 +90,11 @@
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-      <file leaf-file-name="test_advanced.py" pinned="false" current-in-tab="true">
+      <file leaf-file-name="test_advanced.py" pinned="false" current-in-tab="false">
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@@ -114,6 +102,28 @@
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+      <file leaf-file-name="market_data_crawler.py" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/bot/market_data_crawler.py">
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+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="requirements.txt" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/requirements.txt">
+          <provider selected="true" editor-type-id="text-editor">
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@@ -134,10 +144,13 @@
         <option value="$PROJECT_DIR$/__main__.py" />
         <option value="$PROJECT_DIR$/README.rst" />
         <option value="$PROJECT_DIR$/LICENSE" />
-        <option value="$PROJECT_DIR$/bot/core.py" />
         <option value="$PROJECT_DIR$/bot/__init__.py" />
         <option value="$PROJECT_DIR$/tests/context.py" />
         <option value="$PROJECT_DIR$/tests/test_advanced.py" />
+        <option value="$PROJECT_DIR$/bot/market_data.py" />
+        <option value="$PROJECT_DIR$/requirements.txt" />
+        <option value="$PROJECT_DIR$/bot/core.py" />
+        <option value="$PROJECT_DIR$/bot/market_data_crawler.py" />
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@@ -175,11 +188,6 @@
               <item name="crypto-arbitrage-bot" type="462c0819:PsiDirectoryNode" />
               <item name="bot" type="462c0819:PsiDirectoryNode" />
             </path>
-            <path>
-              <item name="crypto-arbitrage-bot" type="b2602c69:ProjectViewProjectNode" />
-              <item name="crypto-arbitrage-bot" type="462c0819:PsiDirectoryNode" />
-              <item name="tests" type="462c0819:PsiDirectoryNode" />
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@@ -214,9 +222,8 @@
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+      <window_info id="Project" active="true" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.13554688" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
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@@ -276,14 +283,6 @@
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@@ -300,14 +299,6 @@
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@@ -326,14 +317,6 @@
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@@ -368,13 +351,49 @@
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+    <entry file="file://$PROJECT_DIR$/bot/market_data_crawler.py">
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 </project>

bot/core.py

@@ -1,13 +1,15 @@
 #!/usr/bin/python
-from . import helpers
+from . import market_data_crawler
 
-from tornado import httpserver
 from tornado import gen
 from tornado.ioloop import IOLoop
 import tornado.web
 import json
+import sys
+
 
 class MainHandler(tornado.web.RequestHandler):
+    @gen.coroutine
     def post(self):
         print("POST received from IP {0}".format(self.request.remote_ip))
 
@@ -21,10 +23,19 @@ class MainHandler(tornado.web.RequestHandler):
 
         if "command" in request:
             print("Command received: {0}".format(request["command"]))
-            response["msg"] = "All good - command received"
+
+            if request["command"] == "init_market_data":
+                yield self.update_market_data(request, response)
 
         self.write(json.dumps(response))
 
+    @gen.coroutine
+    def update_market_data(self, request, response):
+        yield market_data_crawler.update_market_data_for_basecoin(request["basecoin"])
+        response["msg"] = "Market Data initialized"
+        response["data"] = market_data_crawler.market_data
+
+    @gen.coroutine
     def delete(self):
         print("Stopping server...")
 
@@ -42,9 +53,9 @@ class Application(tornado.web.Application):
         tornado.web.Application.__init__(self, handlers)
 
 
-def main():
+def main(port):
     app = Application()
-    app.listen(666)
+    app.listen(port)
     IOLoop.instance().start()
 
 
@@ -53,5 +64,6 @@ def exists():
 
 
 if __name__ == '__main__':
-        print("Starting arbitrage bot...")
+        port = int(sys.argv[1])
-        main()
+        print("Starting arbitrage bot on port {0}...".format(port))
+        main(port)

bot/market_data_crawler.py

@@ -1,37 +1,74 @@
-import tornado.escape, tornado.httpclient
+#!/usr/bin/python
 
+import tornado.escape, tornado.httpclient
+import tornado.httpclient
+from tornado import gen
+import time
+from collections import defaultdict
+
+
+@gen.coroutine
 def update_market_data_for_basecoin(basecoin):
     global market_data
-    market_data = {}
+    market_data = defaultdict(list)
     market_requests = []
 
-    """Bittrex"""
+    @gen.coroutine
+    def call_market_data(url, response_handler):
+        http_client = tornado.httpclient.AsyncHTTPClient()
+        response = yield http_client.fetch(url)
+        return response_handler(response)
 
+    """
+    Bittrex
+    """
     def handle_response_bittrex(response):
         if response.error:
             print("Error: %s" % response.error)
+            return False
+
         else:
+            print("Response received from Bittrex - handling now!")
             response_data = tornado.escape.json_decode(response.body)
 
             for market in response_data["result"]:
                 base, target = market["MarketName"].split("-")
                 if base == basecoin:
-                    market_data.update({
+                    market_data[target].append({"Bittrex": market["Last"]})
-                        target: {
+
-                            "Bittrex": market["Last"]
+            return True
-                        }
+
-                    })
+    market_requests.append(
+        call_market_data(
+            "https://bittrex.com/api/v1.1/public/getmarketsummaries",
+            handle_response_bittrex))
+
+    """
+    Poloniex
+    """
+    def handle_response_poloniex(response):
+        if response.error:
+            print("Error: %s" % response.error)
+            return False
+
+        else:
+            print("Response received from Poloniex - handling now!")
+            response_data = tornado.escape.json_decode(response.body)
+
+            for market in response_data:
+                base, target = market.split("_")
+                if base == basecoin:
+                    market_data[target].append({"Poloniex": response_data[market]["last"]})
 
 
-    bittrex = {
+            return True
-        "url": "https://bittrex.com/api/v1.1/public/getmarketsummaries",
-        "response_handler": handle_response_bittrex
-    }
 
-    market_requests.append(bittrex)
+    market_requests.append(
-
+        call_market_data(
-    http_client = tornado.httpclient.AsyncHTTPClient()
+            "https://poloniex.com/public?command=returnTicker",
-    for request in market_requests:
+            handle_response_poloniex))
-        print("Doing request to {0}".format(request["url"]))
-        http_client.fetch(request["url"], request["response_handler"])
 
+    print("--- Retrieve market data now ---")
+    start_time = time.time()
+    response_dict = yield market_requests
+    print("--- Marked data updated in {0} seconds. Responses: {1} ---".format(time.time() - start_time, response_dict))