def do_attack(self, line):
while True:
trs = []
f = open('minerkey', 'r')
privkey_WIF = f.readline().rstrip('\n')
privkey_hex = w.decode_hex(privkey_WIF)
privkey_d = int(privkey_hex, 16)
addr = w.addr_from_privkey(privkey_d, 0)
blocks = requests.get(URL + '/chain')
blocks = json.loads(blocks.text)['blocks']
if len(blocks) != 0:
trs = []
amount = 50*10**8/(2**int((len(blocks))/50))*100
#print("amount: ", amount)
trs.append(CoinbaseTransaction(addr, int(amount)).raw_tx_string)
new_trx = requests.get(URL + '/transaction/pendings')
new_trx = json.loads(new_trx.text)['trxs']
for i in new_trx:
trs.append(i)
target = requests.get(URL + '/getDifficulty')
#print(target.text)
block_to_mine = Block(blocks[-1]['hash_rez'], trs, len(blocks)-1, int(target.text))
#complexity = json.loads(compl.text)["complexity"]
if block_to_mine.mining(int(requests.get(URL + '/chain/length').text)):
blocks.append(block_to_mine)
url = URL + '/chain'
payload = {"blocks": self.to_json(blocks)}
headers = {"Content-Type": "application/json"}
res = requests.post(url, json=payload, headers=headers)
if json.loads(res.text)['success']:
print('new block is added')
print(block_to_mine.hash_rez)
else:
print("New block was added before you. Let's try again....")
def do_new(self, line):
self.privkey_d = w.random_privkey()
self.pubkey = w.pubkey_from_privkey(self.privkey_d, 0)
self.addr = w.addr_from_privkey(self.privkey_d, 0)
self.privkey_hex = hex(self.privkey_d)[2:]
if len(self.privkey_hex) % 2 == 1:
self.privkey_hex = "0" + self.privkey_hex
self.privkey_WIF = w.decode_base58(self.privkey_hex)
print('Private key (hex) is:\n ', self.privkey_hex)
print('Private key (decimal) is:\n ', self.privkey_d)
print('Private key (WIF) is:\n ', self.privkey_WIF)
print('Public key (hex) is:\n ', self.pubkey)
print('Pitcoin Address (b58check) is:\n ', self.addr)
f = open('address', 'w')
f.write(self.addr)
f.close()
print('If you want to save Private key to file enter \'save\'')
def do_import(self, line):
if (len(line) != 0):
try:
f = open(line, 'r')
self.privkey_WIF = f.readline()
self.privkey_hex = w.decode_hex(self.privkey_WIF)
self.privkey_d = int(self.privkey_hex, 16)
self.pubkey = w.pubkey_from_privkey(self.privkey_d, 0)
self.addr = w.addr_from_privkey(self.privkey_d, 0)
print('Private key (hex) is:\n ', self.privkey_hex)
print('Private key (decimal) is:\n ', self.privkey_d)
print('Private key (WIF) is:\n ', self.privkey_WIF)
print('Public key (hex) is:\n ', self.pubkey)
print('Pitcoin Address (b58check) is:\n ', self.addr)
f = open('address', 'w')
f.write(self.addr)
f.close()
except IOError:
print("Error: can\'t find file or read data")
else:
print('Usage: import / path / to / file')
def mine_gen_block():
f = open('minerkey', 'r')
blocks = []
privkey_WIF = f.readline().rstrip('\n')
privkey_hex = w.decode_hex(privkey_WIF)
privkey_d = int(privkey_hex, 16)
addr = w.addr_from_privkey(privkey_d, 0)
blockch = Blockchain()
gen_block = blockch.genesis_block(addr)
if gen_block.mining(0):
print(gen_block.hash_rez)
blocks.append(gen_block)
blocks = to_json(blocks)
utxo = Utxo("")
for block in blocks:
for transaction in block["transactions"]:
utxo.add_dell(transaction)
#print(utxo.unspend_outputs)
with open('chain/blocks.pk1', 'wb') as output:
pickle.dump(blocks, output, pickle.HIGHEST_PROTOCOL)
with open('chain/utxo.pk1', 'wb') as output:
pickle.dump(utxo, output, pickle.HIGHEST_PROTOCOL)
def do_mine(self, line):
trs = []
f = open('minerkey', 'r')
privkey_WIF = f.readline().rstrip('\n')
privkey_hex = w.decode_hex(privkey_WIF)
privkey_d = int(privkey_hex, 16)
addr = w.addr_from_privkey(privkey_d, 0)
blocks = requests.get(self.URL + '/chain')
blocks = json.loads(blocks.text)['blocks']
#mine genesis block
if len(blocks) == 0:
blockch = Blockchain()
gen_block = blockch.genesis_block(addr)
if gen_block.mining(16):
blocks.append(gen_block)
url = self.URL + '/chain'
payload = {"blocks": self.to_json(blocks)}
headers = {"Content-Type": "application/json"}
res = requests.post(url, json=payload, headers=headers)
if json.loads(res.text)['success']:
print(gen_block.hash_rez)
#if blockchain not empty
else:
trs = []
trs.append(CoinbaseTransaction(addr).ser)
new_trx = requests.get(self.URL + '/transaction/pendings')
new_trx = json.loads(new_trx.text)['trxs']
for i in new_trx:
trs.append(i)
block_to_mine = Block(blocks[-1]['hash_rez'], trs)
if block_to_mine.mining(16):
blocks.append(block_to_mine)
url = self.URL + '/chain'
payload = {"blocks": self.to_json(blocks)}
headers = {"Content-Type": "application/json"}
res = requests.post(url, json=payload, headers=headers)
if json.loads(res.text)['success']:
print(block_to_mine.hash_rez)