def pack_binary(self):
"""
Pack the data into a binary string for storage in DB.
The standard format is [ dataType(varInt) ][ actual data ]
The actual data is stored as follows:
[ length of question (varInt) ][ question ]
[ amount of answers (varInt) ]
for each answer:
[ length of answer (varInt) ][ answer }
[ amount of addresses (varInt) ]
for each address:
[ length of address (varInt) ][ address }
[ amount of public keys (varInt) ]
for each pubkey:
[ length of signing pubkey (varInt) ][ signing pubkey }
[ length of encryption pubkey (varInt) ][ encryption pubkey ]
"""
result = ConsensusData.pack_binary_header(
ConsensusData.DATA_TYPE_VOTING, self.blockchain, self.time_data)
result += encodeVarint(len(self.question))
result += self.question
result += encodeVarint(len(self.answers))
for answer in self.answers:
result += encodeVarint(len(answer))
result += answer
result += encodeVarint(len(self.addresses))
for address in self.addresses:
result += encodeVarint(len(address))
result += address
if self.public_keys is None:
result += encodeVarint(0)
else:
result += encodeVarint(len(self.public_keys))
for pubkey in self.public_keys:
if pubkey is None:
result += encodeVarint(0)
result += encodeVarint(0)
else:
# Signing key first
if pubkey[0] is None:
result += encodeVarint(0)
else:
result += encodeVarint(len(pubkey[0]))
result += pubkey[0]
# Then encryption key
if pubkey[1] is None:
result += encodeVarint(0)
else:
result += encodeVarint(len(pubkey[1]))
result += pubkey[1]
return result
def pack_binary( self ):
"""
Pack the data into a binary string for storage in DB.
The standard format is [ dataType(varInt) ][ actual data ]
The actual data is stored as follows:
[ length of question (varInt) ][ question ]
[ amount of answers (varInt) ]
for each answer:
[ length of answer (varInt) ][ answer }
[ amount of addresses (varInt) ]
for each address:
[ length of address (varInt) ][ address }
[ amount of public keys (varInt) ]
for each pubkey:
[ length of signing pubkey (varInt) ][ signing pubkey }
[ length of encryption pubkey (varInt) ][ encryption pubkey ]
"""
result = ConsensusData.pack_binary_header(ConsensusData.DATA_TYPE_VOTING, self.blockchain, self.time_data)
result += encodeVarint( len( self.question ) )
result += self.question
result += encodeVarint( len( self.answers ) )
for answer in self.answers:
result += encodeVarint( len( answer ) )
result += answer
result += encodeVarint( len( self.addresses ) )
for address in self.addresses:
result += encodeVarint( len( address ) )
result += address
if self.public_keys is None:
result += encodeVarint( 0 )
else:
result += encodeVarint( len( self.public_keys ) )
for pubkey in self.public_keys:
if pubkey is None:
result += encodeVarint( 0 )
result += encodeVarint( 0 )
else:
# Signing key first
if pubkey[0] is None:
result += encodeVarint( 0 )
else:
result += encodeVarint( len( pubkey[0] ) )
result += pubkey[0]
# Then encryption key
if pubkey[1] is None:
result += encodeVarint( 0 )
else:
result += encodeVarint( len( pubkey[1] ) )
result += pubkey[1]
return result
