citizenaspirant/PyBitmessage
1
0
Fork 0
Code Issues 1 Pull Requests Releases Wiki Activity

enable delayed POW checks

Browse Source 
enable delayed POW checks via optional "receive time" argument
This commit is contained in:
f97ada87 2018-05-23 03:38:05 +00:00 committed by GitHub
parent 74ddda8775
commit 609a4a92e2
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/protocol.py
View File

@ -168,13 +168,14 @@ def checkSocksIP(host):
def isProofOfWorkSufficient(data,
nonceTrialsPerByte=0,
payloadLengthExtraBytes=0):
payloadLengthExtraBytes=0,
recvTime=0):
if nonceTrialsPerByte < defaults.networkDefaultProofOfWorkNonceTrialsPerByte:
nonceTrialsPerByte = defaults.networkDefaultProofOfWorkNonceTrialsPerByte
if payloadLengthExtraBytes < defaults.networkDefaultPayloadLengthExtraBytes:
payloadLengthExtraBytes = defaults.networkDefaultPayloadLengthExtraBytes
endOfLifeTime, = unpack('>Q', data[8:16])
TTL = endOfLifeTime - int(time.time())
TTL = endOfLifeTime - (recvTime if recvTime else int(time.time()))
if TTL < 300:
TTL = 300
POW, = unpack('>Q', hashlib.sha512(hashlib.sha512(data[