def mine():
if len(blockchain) == 0:
genesis_block = GenesisBlock(miner_pub_key=miner_key)
genesis_block.mine(blockchain.get_difficult())
blockchain.add(genesis_block)
else:
block = Block(previous_block=blockchain.chain[-1], miner_pub_key=miner_key, \
transactions=transactionPool.get_best_transactions(blockchain,1))
block.mine(blockchain.get_difficult())
blockchain.add(block)
send_blockchain()
return ''
def blockchain():
blockchain = Blockchain()
private_keys = [43, 53, 63]
public_keys = mapv(lambda priv: PrivateKey(priv).public_key().to_bytes(),
private_keys)
genesis_block = GenesisBlock(miner_pub_key=public_keys[0])
genesis_block.mine(blockchain.get_difficult())
blockchain.add(genesis_block)
miners = [public_keys[1], public_keys[2]]
outputs_array = [[(public_keys[0], 1), (public_keys[1], 2)],
[(public_keys[2], 10), (public_keys[1], 1)]]
for key, miner, outputs in zip(private_keys, miners, outputs_array):
transaction = Wallet(key).sign(Transaction(outputs))
block = Block(blockchain.get_last_block(), [transaction],
miner_pub_key=miner)
block.mine(blockchain.get_difficult())
blockchain.add(block)
return blockchain