def mine():
transactions = get_transactions()
transactions = [Transaction.from_dict(x) for x in transactions]
last_block = get_last_block()
block = Block(last_block['id'] + 1, transactions, 0)
while not block.get_hash(last_block['hash']).startswith('0000'):
block.nonce += 1
block.set_hash(block.get_hash(last_block['hash']))
r = requests.post(b_url + '/add_block', json=block.to_dict())
return r.text
from flask import Flask, jsonify, request
from blockchain import BlockChain, Block, Transaction
app = Flask(__name__)
genesis = Block(0, [], 0)
genesis.set_hash('0' * 64)
blockchain = BlockChain([genesis, ])
transaction_pool = []
@app.route('/')
def index():
return jsonify(blockchain.to_dict())
@app.route('/add_transaction', methods=['POST'])
def add_transaction():
data = request.json
transaction = Transaction.from_dict(data)
transaction_pool.append(transaction)
return jsonify({"status": "OK"})
@app.route('/transactions')
def list_transactions():
return jsonify([x.to_dict() for x in transaction_pool])
@app.route('/add_block', methods=["POST"])
def new_block():
