Updated hash type for replay protection

2018-02-25 11:42:12 -06:00 · 2018-02-25 11:42:12 -06:00 · b4b05d2560
parent 40233396c5
commit b4b05d2560
1 changed files with 3 additions and 1 deletions
--- a/lib/transaction.py
+++ b/lib/transaction.py
@ -763,7 +763,9 @@ class Transaction:

    def serialize_preimage(self, i):
        nVersion = int_to_hex(self.version, 4)
-        nHashType = int_to_hex(1, 4)
+        nHashType = 1 | 0x40
+        nHashType = nHashType | (42 << 8)
+        nHashType = int_to_hex(nHashType, 4)
        nLocktime = int_to_hex(self.locktime, 4)
        inputs = self.inputs()
        outputs = self.outputs()