node.py

from block import Block
from flask import Flask
import sync

import os
import json

node = Flask(__name__)

node_blocks = sync.sync()

@node.route('/blockchain.json', methods=['GET'])
def blockchain():
  '''
    Shoots back the blockchain, which in our case, is a json list of hashes
    with the block information which is:
    index
    timestamp
    data
    hash
    prev_hash
  '''
  node_blocks = sync.sync() #update if they've changed
  # Convert our blocks into dictionaries
  # so we can send them as json objects later
  python_blocks = []
  for block in node_blocks:
    '''
    block_index = str(block.index)
    block_timestamp = str(block.timestamp)
    block_data = str(block.data)
    block_hash = block.hash
    block = {
      "index": block.index,
      "timestamp": block.timestamp,
      "data": block.data,
      "hash": block.hash,
      "prev_hash": block.prev_hash
    }
    '''
    python_blocks.append(block.__dict__())
  json_blocks = json.dumps(python_blocks)
  return json_blocks

if __name__ == '__main__':
  node.run()