views.py

# import datetime
# import json
#
# import requests
# from flask import render_template, redirect, request
#
# from app import app
#
# # The node with which our application interacts, there can be multiple
# # such nodes as well.
# CONNECTED_NODE_ADDRESS = "http://127.0.0.1:8000"
#
# posts = []
#
#
# def fetch_posts():
#     """
#     Function to fetch the chain from a blockchain node, parse the
#     data and store it locally.
#     """
#     get_chain_address = "{}/chain".format(CONNECTED_NODE_ADDRESS)
#     response = requests.get(get_chain_address)
#     if response.status_code == 200:
#         content = []
#         chain = json.loads(response.content)
#         for block in chain["chain"]:
#             for tx in block["transactions"]:
#                 tx["index"] = block["index"]
#                 tx["hash"] = block["previous_hash"]
#                 content.append(tx)
#
#         global posts
#         posts = sorted(content, key=lambda k: k['timestamp'],
#                        reverse=True)
#
#
# @app.route('/')
# def index():
#     fetch_posts()
#     return render_template('index.html',
#                            title='YourNet: Decentralized '
#                                  'content sharing',
#                            posts=posts,
#                            node_address=CONNECTED_NODE_ADDRESS,
#                            readable_time=timestamp_to_string)
#
#
# # @app.route('/submit', methods=['POST'])
# # def submit_textarea():
# #     """
# #     Endpoint to create a new transaction via our application.
# #     """
# #     post_content = request.form["content"]
# #     author = request.form["author"]
# #
# #     post_object = {
# #         'author': author,
# #         'content': post_content,
# #     }
# #
# #     # Submit a transaction
# #     new_tx_address = "{}/new_transaction".format(CONNECTED_NODE_ADDRESS)
# #
# #     requests.post(new_tx_address,
# #                   json=post_object,
# #                   headers={'Content-type': 'application/json'})
# #
# #     return redirect('/')
#
#
# def timestamp_to_string(epoch_time):
#     return datetime.datetime.fromtimestamp(epoch_time).strftime('%H:%M')