core/types: document RawSignatureValues (#19695)

50e3795e · Felix Lange · Péter Szilágyi · c4e8806d · 50e3795e
Commit 50e3795e authored Jun 12, 2019 by Felix Lange Committed by Péter Szilágyi Jun 12, 2019
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transaction.go core/types/transaction.go +3 -1

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--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -252,7 +252,9 @@ func (tx *Transaction) Cost() *big.Int {
 	return total
 }
-func (tx *Transaction) RawSignatureValues() (*big.Int, *big.Int, *big.Int) {
+// RawSignatureValues returns the V, R, S signature values of the transaction.
+// The return values should not be modified by the caller.
+func (tx *Transaction) RawSignatureValues() (v, r, s *big.Int) {
 	return tx.data.V, tx.data.R, tx.data.S
 }