tSet sequence to MAXINT-1 to fix locktime (per bauerj) - electrum - Electrum Bitcoin wallet
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---
DIR commit d4e8f4beb630d46cdc196df11dcf57540f0bec71
DIR parent 1ee70f798e58254e00e4af40c806ef0e1d053018
HTML Author: ThomasV <thomasv@electrum.org>
Date: Tue, 23 May 2017 15:07:20 +0200
Set sequence to MAXINT-1 to fix locktime (per bauerj)
Diffstat:
M lib/transaction.py | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
---
DIR diff --git a/lib/transaction.py b/lib/transaction.py
t@@ -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
t@@ -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))
t@@ -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):