You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
1.2 KiB
69 lines
1.2 KiB
1 year ago
|
from random import randint, random
|
||
|
|
from xxhash import xxh32
|
||
|
|
from time import time
|
||
|
|
|
||
|
|
# Settings
|
||
|
|
global zeros, MAX_NONCE
|
||
|
|
zeros = 6 #DON'T CHANGE!
|
||
|
|
MAX_NONCE = 10**10
|
||
|
|
|
||
|
|
# Generate fast hash
|
||
|
|
def sha(text):
|
||
|
|
text = str(text)
|
||
|
|
return xxh32(text).hexdigest()
|
||
|
|
|
||
|
|
# Check if hashes match
|
||
|
|
def check(new_hash, zeros):
|
||
|
|
if new_hash.startswith('0'*zeros):
|
||
|
|
return True
|
||
|
|
else:
|
||
|
|
return False
|
||
|
|
|
||
|
|
def mine(block):
|
||
|
|
start_time = time()
|
||
|
|
# New hash
|
||
|
|
text = block["ph"] + str(block["nonce"]) + block["ts"]
|
||
|
|
block["ph"] = sha(text)
|
||
|
|
while True:
|
||
|
|
text = block["ph"] + str(block["nonce"]) + block["ts"]
|
||
|
|
|
||
|
|
if check(sha(text), zeros):
|
||
|
|
print("NONCE: ", block["nonce"])
|
||
|
|
print("Hash: ", sha(text))
|
||
|
|
break
|
||
|
|
block["nonce"] = randint(1, MAX_NONCE)
|
||
|
|
|
||
|
|
print("--- %s seconds ---" % (time() - start_time))
|
||
|
|
return block
|
||
|
|
|
||
|
|
pblock = {
|
||
|
|
"ph": "5bb98b81",
|
||
|
|
"nonce": 1,
|
||
|
|
"ts": "Some transaction data"
|
||
|
|
}
|
||
|
|
|
||
|
|
# Block
|
||
|
|
ph = sha(pblock)
|
||
|
|
block = {
|
||
|
|
"ph": ph,
|
||
|
|
"nonce": 1,
|
||
|
|
"ts": "Some transaction data"
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
import data
|
||
|
|
#'''
|
||
|
|
while True:
|
||
|
|
block = mine(block)
|
||
|
|
|
||
|
|
# Write blocks
|
||
|
|
blocks = data.mine.read()
|
||
|
|
blocks.append(block)
|
||
|
|
data.mine.write(blocks)
|
||
|
|
#'''
|
||
|
|
|
||
|
|
|
||
|
|
#blocks = data.mine.read()
|
||
|
|
#print(len(blocks))
|