Optimize GetWitnessHash() for non-segwit transactions

sdaftuar · sdaftuar · commit 02c57b521a9e · 2017-03-03T13:33:42.000-05:00
diff --git a/src/primitives/transaction.cpp b/src/primitives/transaction.cpp
@@ -69,6 +69,9 @@ uint256 CTransaction::ComputeHash() const
 
 uint256 CTransaction::GetWitnessHash() const
 {
+    if (!HasWitness()) {
+        return GetHash();
+    }
     return SerializeHash(*this, SER_GETHASH, 0);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -69,6 +69,9 @@ uint256 CTransaction::ComputeHash() const`
`69`	`69`
`70`	`70`	`uint256 CTransaction::GetWitnessHash() const`
`71`	`71`	`{`
	`72`	`+ if (!HasWitness()) {`
	`73`	`+ return GetHash();`
	`74`	`+ }`
`72`	`75`	`return SerializeHash(*this, SER_GETHASH, 0);`
`73`	`76`	`}`
`74`	`77`