def server_program():
blockchain = BlockChain.BlockChain()
# get the hostname
host = '127.0.0.1'
port = 5000 # initiate port no above 1024
server_socket = socket.socket() # get instance
# look closely. The bind() function takes tuple as argument
server_socket.bind((host, port)) # bind host address and port together
# configure how many client the server can listen simultaneously
server_socket.listen(2)
conn, address = server_socket.accept() # accept new connection
while True:
# receive data stream. it won't accept data packet greater than 1024 bytes
data = recieveMessages(conn)
if not data:
break
if(data[0] == 100):
print("data recieved")
blockchain.add_block(data[1])
conn.send(pickle.dumps([2000])) # send data to the client
elif(data[0] == 200):
print("Authentication")
break
conn.close() # close the connection
def __init__(self, genesisBlock: Block = None, nodeID = None):
self.id = nodeID
self.miningNodeList = []
self.blockChain = BlockChain(genesisBlock)
self.blockQueue = Queue()
self.globalUnverifiedTxPool : List[Transaction] = []
self.alreadyMinedTx : List[Transaction] = []
self.miningDifficulty = 0x07FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
def main():
usr1 = GenAddress.GenAddress()
usr2 = GenAddress.GenAddress()
usr3 = GenAddress.GenAddress()
minor = GenAddress.GenAddress()
blockChain = BlockChain.BlockChain()
# usr1がトランザクションを生成
transaction = {
'sender_blockchain_address': usr1.address,
'recipient_blockchain_address': usr2.address,
'value': float(30)
}
signature = Transaction.VerifyTransaction().generate_signature(
usr1.privkey, transaction)
blockChain.add_transaction(transaction, signature, usr1.pubkey)
# usr2がトランザクションを生成
transaction = {
'sender_blockchain_address': usr2.address,
'recipient_blockchain_address': usr3.address,
'value': float(10)
}
signature = Transaction.VerifyTransaction().generate_signature(
usr2.privkey, transaction)
blockChain.add_transaction(transaction, signature, usr2.pubkey)
# usr3がトランザクションを生成
transaction = {
'sender_blockchain_address': usr3.address,
'recipient_blockchain_address': usr1.address,
'value': float(10)
}
signature = Transaction.VerifyTransaction().generate_signature(
usr3.privkey, transaction)
blockChain.add_transaction(transaction, signature, usr3.pubkey)
# minorがトランザクションをblockに格納
if blockChain.mining(minor.address):
pprint.pprint(blockChain.chain)
else:
print("マイニング失敗")
import json
app = Flask(__name__)
from BlockChain import *
from Transaction import *
from Network import *
from Node import *
from Nodes import *
n0 = Node("0.0.0.0", 1337, str(uuid4()).replace('-', ''))
n1 = Node("0.0.0.0", 1338, str(uuid4()).replace('-', ''))
nodes = Nodes([n0, n1])
blockchain = BlockChain()
blockchain.chain.append(blockchain.genesis())
# add into db
# share to other nodes
walletAlice = Wallet(blockchain, "Alice")
walletBob = Wallet(blockchain, "Bob")
@app.route('/valid', methods=['GET'])
def valid():
return jsonify(blockchain.is_valid())
@app.route('/minerate', methods=['POST'])
def minerate():
import FunctionNetwork as Net
import BlockChain
import Wallet
from pycoin import merkle
bc = BlockChain.BlockChain()
#bc.add_block(BlockChain.Block("0",1,0,0))
w = Wallet.Wallet()
w.create_identity("ale", "nardo", "95042429425", "24/4/1995", "m")
b = BlockChain.Block("0", merkle.merkle([w.my_identity.get_hash()]), "0", "0")
b.set_identities([w.my_identity])
bc.add_block(b)
bc.add_block(BlockChain.Block(bc.tip.get_hash(), 1, 0, 0))
a = Net.node(blockChain=bc, ip="127.0.0.1", port=Net.PORT, is_seed=1)
run_date=dd,
kwargs={
'scheduler': scheduler,
'blockchain': blockchain
})
if (slot < 5):
blockchain.forge_new_block()
else:
blockchain.new_genesis_block()
stakeholder = Stakeholder.Stakeholder(wallet1['public_key'],
"http://127.0.0.1:" + str(5000) + "/",
wallet1['wallet_address'])
blockchain = BlockChain.BlockChain(True, stakeholder, wallet1['private_key'])
print(blockchain.get_current_slot())
print(blockchain.get_current_epoch())
time.sleep(6)
print(blockchain.get_current_slot())
print(blockchain.get_current_epoch())
"""
wallet2 = BlockChain.BlockChain.generate_new_wallet()
wallet3 = BlockChain.BlockChain.generate_new_wallet()
blockchain.register_new_node(wallet3['public_key'], "http://127.0.0.1:5001", wallet3['wallet_address'])
transaction = {
"sender_address": wallet1['wallet_address'],
from BlockChain import *
if __name__ == '__main__':
bc = BlockChain(INITIAL_BITS)
print('generating genesis block ...')
bc.create_genesis()
for i in range(30):
print('generating {}th block ...'.format(i + 2)) # genesis + 1-origin
bc.add_new_block(i)
import os, pickle, io, BlockChain, FunctionNetwork, Authorization, sys, signal
import threading
from time import sleep
import Wallet
trusted_parties = [("10.6.123.65", FunctionNetwork.PORT),
("10.6.123.65", FunctionNetwork.PORT - 1),
("10.6.123.65", FunctionNetwork.PORT - 2)]
ip = "10.6.123.65"
port = FunctionNetwork.PORT
kill = False
bc = BlockChain.BlockChain("./BlockChain.sqlite3")
trie = bc.trie
addrSeed = ("10.6.123.65", FunctionNetwork.PORT)
if os.path.exists("./netData") == False:
file_net = io.open("./netData", 'xb')
seed = 1
full = 0
print("desea ser un full node s/n: ")
s = input()
if s == "s":
full = 1
elif s == "n":
full = 0
else:
print("\n argumento incorrecto")
exit(0)
net = FunctionNetwork.node(bc,
"private_key": private_key1,
"public_key": public_key1,
"address": "http://127.0.0.1:" + str(5001) + "/"
}
private_key2, public_key2 = EcdsaSigning.generate_keys()
account3 = {
"private_key": private_key2,
"public_key": public_key2,
"address": "http://127.0.0.1:" + str(5002) + "/"
}
stakeholder = Stakeholder.Stakeholder(account['public_key'],
account['address'])
block_chain = BlockChain.BlockChain(True, stakeholder, account['private_key'])
values = {
'receiver_public_key': account2['public_key'],
'amount': 10000,
'sender_public_key': account['public_key'],
'sender_private_key': account['private_key']
}
values1 = {
'receiver_public_key': account3['public_key'],
'amount': 10000,
'sender_public_key': account['public_key'],
'sender_private_key': account['private_key']
}
import socket
import sys
import threading
import BlockChain
import json
thechain = BlockChain.BlockChain()
theq = []
def getfile(cmt):
rqd = []
for i in range(2, len(thechain.chain)):
dt = blk.data.split(' ## ')
if cmt == int(dt[0]):
rqd = dt
break
return rdq
def addFile(cmt, nme, fsize, fcode, pf):
data = cmt + ' ## ' + nme + ' ## ' + fsize + ' ## ' + fcode + ' ## ' + pf
theq.append(data)
port = 5000
host = 'localhost'
cl = set()
class tr(threading.Thread):
def __init__(self, port, host, data):
import hashlib import json import testdata import BlockChain # Main eth = BlockChain.BlockChain() eth.generate_genesis_block() eth.addblock(testdata.blocks[0]) eth.addblock(testdata.blocks[1]) eth.details() eth.hack(1, 'HACKED') eth.details() eth.check()