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bug fixes in block creation and directory security

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This commit is contained in:
Kevin Froman 2020-11-23 03:47:50 +00:00
parent de271794fd
commit e831a27ae3
7 changed files with 46 additions and 23 deletions
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42
src/onionrproofs/subprocesspow.py
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@ -116,24 +116,26 @@ class SubprocessPOW:
metadata['n'] = secrets.randbits(16)
puzzle = self.puzzle
difficulty = self.difficulty
while True:
# Break if shutdown received
try:
if pipe.poll() and pipe.recv() == 'shutdown':
try:
while True:
# Break if shutdown received
try:
if pipe.poll() and pipe.recv() == 'shutdown':
break
except KeyboardInterrupt:
break
except KeyboardInterrupt:
break
# Load nonce into block metadata
metadata['c'] = nonce
# Serialize metadata, combine with block data
payload = json.dumps(metadata).encode() + b'\n' + data
# Check sha3_256 hash of block, compare to puzzle
# Send payload if puzzle finished
token = sha3_hash(payload)
# ensure token is string
token = bytesconverter.bytes_to_str(token)
if puzzle == token[0:difficulty]:
pipe.send(payload)
break
nonce += 1
# Load nonce into block metadata
metadata['c'] = nonce
# Serialize metadata, combine with block data
payload = json.dumps(metadata).encode() + b'\n' + data
# Check sha3_256 hash of block, compare to puzzle
# Send payload if puzzle finished
token = sha3_hash(payload)
# ensure token is string
token = bytesconverter.bytes_to_str(token)
if puzzle == token[0:difficulty]:
pipe.send(payload)
break
nonce += 1
except KeyboardInterrupt:
pass