-
Notifications
You must be signed in to change notification settings - Fork 0
/
Miner.py
42 lines (39 loc) · 1.4 KB
/
Miner.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
import hashing
from Mempool import get_mempool
from Block import Block
from Blockchain import get_blockchain
from Transaction import Coinbase, Transaction
import random
from CONFIG import *
class Miner:
def __init__(self, own_public_key):
self.public_key = own_public_key
while True:
self.mine()
def check_agains_target(self, hash_string):
hex = hashing.string_to_hex(hash_string)
for i in range(1, mining_target+1):
if not hex[i] == "0":
return False
return True
def mine(self):
topmost_block = get_blockchain().get_topmost_block()
assert isinstance(topmost_block, Block)
hash_prev = topmost_block.get_hash()
txs = get_mempool().tx
for i in txs:
assert isinstance(i, Transaction) or isinstance(i, Coinbase)
if not i.is_valid():
txs.remove(i)
coinbase = Coinbase(self.public_key)
txs.insert(0, coinbase)
while True:
block = Block(hash_prev, txs, random.randint(0, 9999999999999999999999999999))
hash = block.get_hash()
check = self.check_agains_target(hash)
if check:
#FOUND NEW BLOCK; COINBASE$$$$
success = get_blockchain().insert_block(block)
if success:
print(get_blockchain().get_json())
break