core/state: using slices.Clone (#29366)

ethereum · Mar 28, 2024 · 7481398 · 7481398
1 parent 3754a6c
commit 7481398
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/core/state/statedb.go b/core/state/statedb.go
@@ -20,6 +20,7 @@ package state
 import (
 	"fmt"
 	"math/big"
+	"slices"
 	"sort"
 	"time"
 
@@ -243,9 +244,7 @@ func (s *StateDB) Logs() []*types.Log {
 func (s *StateDB) AddPreimage(hash common.Hash, preimage []byte) {
 	if _, ok := s.preimages[hash]; !ok {
 		s.journal.append(addPreimageChange{hash: hash})
-		pi := make([]byte, len(preimage))
-		copy(pi, preimage)
-		s.preimages[hash] = pi
+		s.preimages[hash] = slices.Clone(preimage)
 	}
 }