def mining():
print("Into the mining process")
# Initializing Election Class
elec = Election()
# Do not make a block if mempool is empty
# if elec.redis_client.llen("mempool") == 0:
# print("No block made! Mempool is empty!")
# return
# Transaction verification
# Initializing Block Class
blk = Block()
# Create Coinbase Transaction
blk.create_coinbase_transaction()
# Connect to Previous Block
blk.add_previous_block()
# Scan Mempool
vd = True
for i in range(0, elec.redis_client.llen("mempool")):
# Get Transaction
tx = elec.redis_client.lindex('mempool', i).decode('utf-8')
if tx == None:
# Exit if tx is None
break
# Get tx verification verdict
# verify_verdict = elec.verification.verify_tx(tx)
# if verify_verdict == "verified":
# # Sending data to block
# blk.add_transaction(tx)
# else:
# vd = False
# print("Some Transaction Verification Failed! Aborting Mining ...")
# break
# If Tx Verification Fails
if vd == False:
print("Mining Aborted!")
return
# create block
blk.compute_hash()
blk.calculate_merkle_root()
block = blk
# add block
blkChain = BlockChain()
blkChain.add_block(block)
print("Block added to this Node's blockchain!")
# check
# full Blockchain verify
# full_verify_message = elec.verification.full_chain_verify()
# if msg != "verified":
# return sync.chainsync()
# if full_verify_message == "verified":
# braodcast the block you made
print("Broadcasting block made by this node ...")
udphandler = UDPHandler()
udphandler.sendblock(block.to_json())
def create_block(self):
block = Block()
block.create_coinbase_transaction()
mempool = Mempool()
blkc = BlockChain()
mempool_size = mempool.get_len()
if mempool_size == 0:
return
while mempool_size > 0:
tx = mempool.get_transaction()
block.add_transaction(tx)
mempool_size -= 1
block.calcalute_block_size()
block.calculate_merkle_root()
block.compute_hash()
blkc.add_block(block)
return block
# "outputs": [
# {
# "value": 50,
# "n": 0,
# "address": addr
# }
# ],
# "hash": "eef9fda50a6bf6c11c5078d8772d94df4f60ce54573c009f145eb047426ad0fb",
# "block": "16e8dab3a9185d5329fac9cfdc0a81c7817826f701e747cb3751878061e4dc8c"
# }],
# "previous_block_hash": "",
# "merkle_root": "78bc90dcc3fe2ae1eca8b9d4e09b63653cd18f0b583e002b2b4d43cc09fca9cd",
# "height": 0,
# "version": "0.0.1",
# "size": 1949
# }))
for i in range(1):
block = Block()
block.add_previous_block()
block.add_transaction(create_fake_transaction(
global_addresses[random.randint(0, 9)]))
block.create_coinbase_transaction()
block.calculate_merkle_root()
block.compute_hash()
block.calcalute_block_size()
redis_client.rpush("chain", json.dumps(block.to_json()))
# print(block.to_json())
udphandler = UDPHandler()
udphandler.sendblock(block.to_json())