tinkering

index.py

@@ -1,7 +1,52 @@
-from flask import Flask, Response
+"""nonempty"""
+import os
+import json
+import requests
+from flask import Flask, Response, request, jsonify
+
+import pandas as pd
+import numpy as np
+#from statsmodels.tsa.arima.model import ARIMA
+
+
 app = Flask(__name__)
 
-@app.route('/', defaults={'path': ''})
+URL ='https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v3'
+
+headers = {'Content-Type': 'application/json',
+          'Authorization': os.environ.get("API_KEY")}
+
+URL ='https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v3'
+
+@app.route("/", methods=["GET","POST"], defaults={'path': ''})
+def home():
+    """prediction"""
+    if request.args.get('f'):
+        f = int(request.args.get('f'))
+    else:
+        f=15
+    if request.args.get('a'):
+        address = request.args.get('a')
+    else:
+        address = "0x1f9840a85d5af5bf1d1762f925bdaddc4201f984"
+
+    query = """
+        {token (id: "%s"){tokenDayData { priceUSD date } } }
+        """ % address
+
+    r = requests.post(URL, json={'query': query})
+    json_data = json.loads(r.text)
+    df_data = json_data['data']['token']['tokenDayData']
+    df = pd.DataFrame(df_data)
+
+    df.priceUSD = df.priceUSD.replace(0, np.nan).dropna()
+    df.priceUSD = df.priceUSD.astype(float)
+
+    last = df.date.iloc[-1:].values[0]
+    timestep = df.date.iloc[-1:].values[0]-df.date.iloc[-2:-1].values[0]
+
+    return jsonify({ 'last_date': str(last), 'timestep': str(timestep)})
 @app.route('/<path:path>')
 def catch_all(path):
-    return Response("<h1>Flask</h1><p>You visited: /%s</p>" % (path), mimetype="text/html")
+    """check"""
+    return Response("<h1>Flask</h1><p>You visited: /%s</p>" % (path), mimetype="text/html")

requirements.txt

@@ -1,7 +1,21 @@
+certifi==2022.9.24
+charset-normalizer==2.1.1
 click==8.1.3
 Flask==2.2.2
+idna==3.4
 itsdangerous==2.1.2
 Jinja2==3.1.2
 MarkupSafe==2.1.1
+numpy==1.23.3
+packaging==21.3
+pandas==1.5.0
+patsy==0.5.2
+pyparsing==3.0.9
+python-dateutil==2.8.2
+pytz==2022.4
+requests==2.28.1
+scipy==1.9.1
+six==1.16.0
+statsmodels==0.13.2
+urllib3==1.26.12
 Werkzeug==2.2.2
-cowpy==1.0.3