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electrum-bitcoinprivate
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Set sequence to MAXINT-1 to fix locktime (per bauerj)

This commit is contained in:
ThomasV 2017-05-23 15:07:20 +02:00
parent 1ee70f798e
commit d4e8f4beb6
1 changed files with 5 additions and 5 deletions
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10
lib/transaction.py
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@ -686,11 +686,11 @@ class Transaction:
# Script length, script, sequence
s += var_int(len(script)/2)
s += script
s += int_to_hex(txin.get('sequence', 0xffffffff), 4)
s += int_to_hex(txin.get('sequence', 0xffffffff - 1), 4)
return s
def set_rbf(self, rbf):
nSequence = 0xffffffff - (2 if rbf else 0)
nSequence = 0xffffffff - (2 if rbf else 1)
for txin in self.inputs():
txin['sequence'] = nSequence
@ -716,12 +716,12 @@ class Transaction:
txin = inputs[i]
if self.is_segwit_input(txin):
hashPrevouts = Hash(''.join(self.serialize_outpoint(txin) for txin in inputs).decode('hex')).encode('hex')
hashSequence = Hash(''.join(int_to_hex(txin.get('sequence', 0xffffffff), 4) for txin in inputs).decode('hex')).encode('hex')
hashSequence = Hash(''.join(int_to_hex(txin.get('sequence', 0xffffffff - 1), 4) for txin in inputs).decode('hex')).encode('hex')
hashOutputs = Hash(''.join(self.serialize_output(o) for o in outputs).decode('hex')).encode('hex')
outpoint = self.serialize_outpoint(txin)
scriptCode = push_script(self.get_preimage_script(txin))
amount = int_to_hex(txin['value'], 8)
nSequence = int_to_hex(txin.get('sequence', 0xffffffff), 4)
nSequence = int_to_hex(txin.get('sequence', 0xffffffff - 1), 4)
preimage = nVersion + hashPrevouts + hashSequence + outpoint + scriptCode + amount + nSequence + hashOutputs + nLocktime + nHashType
else:
txins = var_int(len(inputs)) + ''.join(self.serialize_input(txin, self.get_preimage_script(txin) if i==k else '') for k, txin in enumerate(inputs))
@ -780,7 +780,7 @@ class Transaction:
return self.input_value() - self.output_value()
def is_final(self):
return not any([x.get('sequence', 0xffffffff) < 0xffffffff - 1 for x in self.inputs()])
return not any([x.get('sequence', 0xffffffff - 1) < 0xffffffff - 1 for x in self.inputs()])
@profiler
def estimated_size(self):