def mine():
global blockchain
if blockchain == None:
blockchain = Blockchain(difficulty)
blockchain.create_genesis_block()
return "Blockchain created \n", 200
else:
blockchain.mine_block()
return "Block mined\n", 200
def mine_call(self):
# need to call the mining function
global blockchain
if not blockchain:
blockchain = Blockchain(difficulty)
blockchain.create_genesis_block(wallet)
else:
blockchain.mine_block(wallet)
print(blockchain.tokens)
self.define_block(blockchain.blocks[-1])
data = blockchain.to_dict()
dataJson = json.dumps(data).encode()
socket.send_multipart([b'chain', dataJson])
def create_chain_from_dump(chain_dump):
generated_blockchain = Blockchain()
generated_blockchain.create_genesis_block()
for idx, block_data in enumerate(chain_dump):
if idx == 0:
continue # skip genesis block
block = Block(block_data["index"], block_data["transactions"],
block_data["timestamp"], block_data["previous_hash"],
block_data["nonce"])
proof = block_data['hash']
added = generated_blockchain.add_block(block, proof)
if not added:
raise Exception("The chain dump is tampered!!")
return generated_blockchain
def mine_call(self):
global blockchain
if not blockchain:
blockchain = Blockchain(difficulty)
blockchain.create_genesis_block(wallet)
else:
blockchain.mine_block(wallet)
self.define_block(blockchain.chain[-1])
chain = blockchain.to_dict()
chain_data = json.dumps({
"length": len(chain),
"chain": chain
}).encode()
socket.send_multipart([b'chain', chain_data])
from chain import Blockchain
from key import BitcoinAccount
wallet = BitcoinAccount()
address = wallet.to_address()
difficulty = 4
blockchain = Blockchain(difficulty)
blockchain.create_genesis_block()
print("blockchain: ")
print(blockchain.to_dict())
first_block = blockchain.blocks_list[-1]
print("First block: ")
print(first_block)
blockchain.add_transaction(address, "colas", 10)
blockchain.add_transaction(address, "salim", 30)
blockchain.mine_block()
print("blockchain: ")
print(blockchain.to_dict())
second_block = blockchain.blocks_list[-1]
print("Second block: ")
print(second_block)
def create_chain():
global blockchain
blockchain = Blockchain(difficulty, address)
blockchain.create_genesis_block()
return "Success\n", 200