helper_ackPayload pylint fixes

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lakshyacis 2019-10-07 19:01:21 +05:30
parent e97d02ed78
commit 31e3d60fb0
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@ -1,6 +1,7 @@
""" """
This module is for generating ack payload This module is for generating ack payload
""" """
from binascii import hexlify from binascii import hexlify
from struct import pack from struct import pack
@ -8,17 +9,20 @@ import highlevelcrypto
import helper_random import helper_random
from addresses import encodeVarint from addresses import encodeVarint
# This function generates payload objects for message acknowledgements
# Several stealth levels are available depending on the privacy needs;
# a higher level means better stealth, but also higher cost (size+POW)
# - level 0: a random 32-byte sequence with a message header appended
# - level 1: a getpubkey request for a (random) dummy key hash
# - level 2: a standard message, encrypted to a random pubkey
def genAckPayload(streamNumber=1, stealthLevel=0): def genAckPayload(streamNumber=1, stealthLevel=0):
"""Generate and return payload obj.""" """
if (stealthLevel == 2): # Generate privacy-enhanced payload Generate and return payload obj.
This function generates payload objects for message acknowledgements
Several stealth levels are available depending on the privacy needs;
a higher level means better stealth, but also higher cost (size+POW)
- level 0: a random 32-byte sequence with a message header appended
- level 1: a getpubkey request for a (random) dummy key hash
- level 2: a standard message, encrypted to a random pubkey
"""
if stealthLevel == 2: # Generate privacy-enhanced payload
# Generate a dummy privkey and derive the pubkey # Generate a dummy privkey and derive the pubkey
dummyPubKeyHex = highlevelcrypto.privToPub( dummyPubKeyHex = highlevelcrypto.privToPub(
hexlify(helper_random.randomBytes(32))) hexlify(helper_random.randomBytes(32)))
@ -31,7 +35,7 @@ def genAckPayload(streamNumber=1, stealthLevel=0):
acktype = 2 # message acktype = 2 # message
version = 1 version = 1
elif (stealthLevel == 1): # Basic privacy payload (random getpubkey) elif stealthLevel == 1: # Basic privacy payload (random getpubkey)
ackdata = helper_random.randomBytes(32) ackdata = helper_random.randomBytes(32)
acktype = 0 # getpubkey acktype = 0 # getpubkey
version = 4 version = 4