def start():
global node, blockchain
genesis = Utility.create_genesis_block()
blockchain = Blockchain(genesis.index, genesis.timemade,
genesis.proof_of_work, genesis.effort,
genesis.transactions, genesis.previous_hash)
node.config['SECRET_KEY'] = Utility.createHexdigest(User.password)
node.run(host="0.0.0.0", port=variables.PORT)
def start(e):
global node, blockchain,mining_process,event
if not len(Variables.PEER_NODES) > 0:
genesis = Utility.create_genesis_block()
blockchain = Blockchain(genesis)
else:
consensus()
event = e
mining_process = Process(target=Mining.mine, args=(event,))
mining_process.start()
logging.debug("Mining_classes Started")
node.config['SECRET_KEY'] = Utility.createHexdigest(User.password)
node.run(host="0.0.0.0", port=Variables.PORT)
def mine(a):
func = inspect.currentframe().f_back.f_code
logging.info("Starting to mine")
# See if other blockchains exist
blockchain = consensus()
if not blockchain:
logging.info("Didn't receive a blockchain from anyone and need to make one")
# We didn't find one, need to make one
variables.BLOCKCHAIN.append(Utility.create_genesis_block())
else:
logging.info("Received a blockchain from the net")
# See if we got any blocks from someone, save it
variables.BLOCKCHAIN = blockchain
message = Utility.buildmessage("blockchain", variables.BLOCKCHAIN)
logging.debug("Adding {} to queue".format(message))
a.put(message)
url = "http://" + variables.MINER_NODE_URL + ":" + str(variables.PORT) + "/blocks?update=" + User.public_key
logging.debug("accessing url via GET")
requests.get(url)
logging.debug("Done accessing url")
while True:
last_block = variables.BLOCKCHAIN[len(variables.BLOCKCHAIN) - 1]
# -get transactions
url = "http://" + variables.MINER_NODE_URL + ":" + str(variables.PORT) + "/txion?update=" + User.public_key
logging.debug("Getting transactions from {}".format(url))
transactions = requests.get(url).content
logging.debug("Done getting transactions")
variables.PENDING_TRANSACTIONS = json.loads(transactions)
logging.warning("type of transaction: {}".format(type(variables.PENDING_TRANSACTIONS)))
variables.PENDING_TRANSACTIONS.append({
"from": "network",
"to": User.public_key,
"amount": 1.0})
# mine using the updated blockchain
pow, pow_output = proof_of_work(a, last_block, variables.PENDING_TRANSACTIONS)
variables.PENDING_TRANSACTIONS = []
if pow:
logging.info("Mined a block {}".format(pow_output))
variables.BLOCKCHAIN.append(pow_output)
else:
logging.info("Consensus returned a blockchain {}".format(pow_output))
variables.BLOCKCHAIN = pow_output
logging.debug("Adding that blockchain to the Queue")
a.put(["mine", variables.BLOCKCHAIN])
url = "http://" + variables.MINER_NODE_URL + ":" + str(variables.PORT) + "/blocks?update=" + User.public_key
logging.debug("accessing url via GET")
requests.get(url)
logging.debug("Done accessing url")
import logging
FORMAT = "[{%(levelname)s} %(filename)s:%(lineno)s - %(funcName)20s() ] %(message)s"
logging.basicConfig(filename='scratch.log', level=logging.DEBUG, format=FORMAT)
from Mining.Block import Block
import time
import User.User as User
import Utilities.Utility as Utility
WORK = 3
BLOCKCHAIN = []
BLOCKCHAIN.append(Utility.create_genesis_block())
while True:
if len(BLOCKCHAIN) == 2500:
break
last_block = BLOCKCHAIN[len(BLOCKCHAIN) - 1]
now = time.time()
data = [{"from": "network", "to": User.public_key, "amount": 1.0}]
done = False
block = None
while not done:
effort, pow_hash_object = Utility.genhash(last_block.index + 1, now,
data, last_block.hash)
leading_zeroes = Utility.leadingzeroes(pow_hash_object.digest())
if leading_zeroes >= WORK:
done = True
block = Block(last_block.index + 1, now, pow_hash_object.hexdigest(),
effort, data, last_block.hash)
BLOCKCHAIN.append(block)
Utility.validate_blockchain(BLOCKCHAIN)
import logging
FORMAT = "[{%(levelname)s} %(filename)s:%(lineno)s - %(funcName)20s() ] %(message)s"
logging.basicConfig(filename='scratch.log', level=logging.DEBUG, format=FORMAT)
from Blockchain_classes.Blockchain import Blockchain
import time
from Blockchain_classes.Block import Block
import User_classes.User as User
import Utilities.Utility as Utility
WORK = 5
genesis = Utility.create_genesis_block()
added = 0
blockchain = Blockchain(genesis)
while added < 100:
last_block = blockchain.last_added()
now = time.time()
data = [{"from": "network", "to": User.public_key, "amount": 1.0}]
done = False
block = None
while not done:
effort, pow_hash_object = Utility.genhash(last_block.index + 1, now,
data, last_block.hash)
#this is a test ....
leading_zeroes = Utility.leadingzeroes(pow_hash_object.digest())
if leading_zeroes >= WORK:
done = True
added += 1
b = Block(last_block.index + 1, now, pow_hash_object.hexdigest(), effort,
