def finalizeStartMessage(self, text):
sig1 = text
if sig1=="None":
# Signature refused by the user
self.sigdone.emit("None")
return
printOK("first signature: %s" % sig1)
# ------ some default config
scriptSig = ''
sequence = 0xffffffff
try:
# block_hash = hash(currBlock-12)
currBlock = self.rpcClient.getBlockCount()
if currBlock is None:
raise Exception('Unable to get current block number')
block_hash = self.rpcClient.getBlockHash(currBlock - 12)
if block_hash is None:
raise Exception('Unable to get blockhash for block %d' % currBlock - 12)
printDbg("Current block from PIVX client: %s" % str(currBlock))
printDbg("Hash of 12 blocks ago: %s" % block_hash)
vintx = bytes.fromhex(self.collateral['txid'])[::-1].hex()
vinno = self.collateral['txidn'].to_bytes(4, byteorder='big')[::-1].hex()
vinsig = num_to_varint(len(scriptSig) / 2).hex() + bytes.fromhex(scriptSig)[::-1].hex()
vinseq = sequence.to_bytes(4, byteorder='big')[::-1].hex()
ipv6map = ipmap(self.ip, self.port)
#printDbg("ipv6map: %s" % ipv6map)
collateral_in = num_to_varint(len(self.collateral['pubKey'])/2).hex() + self.collateral['pubKey']
delegate_in = num_to_varint(len(self.mnPubKey)/2).hex() + self.mnPubKey
except Exception as e:
err_msg = "error in startMessage"
printException(getCallerName(), getFunctionName(), err_msg, e)
return
work_sig_time = self.sig_time.to_bytes(8, byteorder='big')[::-1].hex()
work_protoversion = self.protocol_version.to_bytes(4, byteorder='big')[::-1].hex()
last_ping_block_hash = bytes.fromhex(block_hash)[::-1].hex()
serializedData = serialize_input_str(self.collateral['txid'], self.collateral['txidn'], sequence, scriptSig) + block_hash + str(self.sig_time)
printDbg("serializedData: %s" % serializedData)
sig2 = self.signature2(serializedData)
printOK("second signature: %s" % sig2)
work = vintx + vinno + vinsig + vinseq
work += ipv6map + collateral_in + delegate_in
work += num_to_varint(len(sig1) / 2).hex() + sig1
work += work_sig_time + work_protoversion
work += vintx + vinno + vinsig + vinseq
work += last_ping_block_hash + work_sig_time
work += num_to_varint(len(sig2) / 2).hex() + sig2
# nnLastDsq to zero
work += "0"*16
# Emit signal
self.sigdone.emit(work)
def getPingMessage(self, fNewSigs, block_hash):
if fNewSigs:
ss = bytes.fromhex(self.collateral["txid"])[::-1]
ss += (self.collateral["txidn"]).to_bytes(4, byteorder='little')
ss += bytes([0, 255, 255, 255, 255])
ss += bytes.fromhex(block_hash)[::-1]
ss += (self.sig_time).to_bytes(8, byteorder='little')
return bitcoin.bin_dbl_sha256(ss)
else:
scriptSig = ''
sequence = 0xffffffff
return serialize_input_str(self.collateral['txid'], self.collateral['txidn'], sequence, scriptSig) + \
block_hash + str(self.sig_time)