UncommittedDB of PEVM shutdown when an invalid snapshot id found (jus…

…t like the StateDB do)

core/state/pevm_journal.go

@@ -292,9 +292,6 @@ func (j *ujournal) append(st ustate) {
 }
 
 func (j *ujournal) revertTo(db *UncommittedDB, snapshot int) {
-	if snapshot < 0 || snapshot >= len(*j) {
-		return // invalid snapshot index
-	}
 	for i := len(*j) - 1; i >= snapshot; i-- {
 		(*j)[i].revert(db)
 	}

core/state/pevm_statedb.go

@@ -349,8 +349,10 @@ func (pst *UncommittedDB) AddSlotToAccessList(addr common.Address, slot common.H
 
 // ===============================================
 // Snapshot Methods
-// (is it necessary to do snapshot and revert ?)
 func (pst *UncommittedDB) RevertToSnapshot(id int) {
+	if id < 0 || id > len(pst.journal) {
+		panic(fmt.Sprintf("invalid snapshot index, out of range, snapshot:%d, len:%d", id, len(pst.journal)))
+	}
 	pst.journal.revertTo(pst, id)
 }
 func (pst *UncommittedDB) Snapshot() int {