fix: remove redundant storage fetch and fetch absense proof of account to handle same issue

minigeth/core/state/state_object.go

@@ -354,11 +354,10 @@ func (s *stateObject) updateTrie(db Database) Trie {
 		s.originStorage[key] = value
 
 		var v []byte
-		oracle.PrefetchStorage(db.BlockNumber, s.address, key)
-		// Get absense proof of current key in case the deletion make the extension node to short node.
-		oracle.PrefetchStorage(big.NewInt(db.BlockNumber.Int64()+1), s.address, key)
 		if (value == common.Hash{}) {
 			//fmt.Println("delete", s.address, key)
+			// Get absense proof of key in case the deletion needs the sister node.
+			oracle.PrefetchStorage(big.NewInt(db.BlockNumber.Int64()+1), s.address, key)
 			s.setError(tr.TryDelete(key[:]))
 		} else {
 			//fmt.Println("update", s.address, key, value)

minigeth/core/state/statedb.go

@@ -456,6 +456,8 @@ func (s *StateDB) deleteStateObject(obj *stateObject) {
 	}
 	// Delete the account from the trie
 	addr := obj.Address()
+	// Get absense proof of account in case the deletion needs the sister node.
+	oracle.PrefetchAccount(big.NewInt(s.db.BlockNumber.Int64()+1), addr)
 	if err := s.trie.TryDelete(addr[:]); err != nil {
 		s.setError(fmt.Errorf("deleteStateObject (%x) error: %v", addr[:], err))
 	}