def chain_deserializer(chain_json):
chain = []
for block_json in chain_json:
transactions = transactions_deserializer(block_json['transactions'])
block_to_append = Block(block_json['timestamp'], transactions,
block_json['prev_hash'])
block_to_append.nonce = block_json['nonce']
block_to_append.hash = block_json['hash']
chain.append(block_to_append)
return chain
def generate_nonce():
index = request.form['index']
content = request.form['content']
previous = request.form['previous']
nonce = request.form['nonce']
transaction = Transaction(satoshi.private_key, satoshi.public_key, str(content))
block = Block(int(index), [transaction], previous, 0)
block.nonce = int(nonce)
block.timestamp = datetime.datetime(2009, 1, 10, 12, 00)
transaction.timestamp = datetime.datetime(2009, 1, 10, 12, 00)
Block.proof_of_work(block, BlockChain)
response = {'nonce' : block.nonce, 'hash': block.hash }
return jsonify(response), 200
