github.com/neatio-net/neatio@v1.7.3-0.20231114194659-f4d7a2226baa/chain/core/state/iterator_test.go (about)

     1  // Copyright 2016 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package state
    18  
    19  import (
    20  	"bytes"
    21  	"testing"
    22  
    23  	"github.com/neatio-net/neatio/neatdb/memorydb"
    24  
    25  	"github.com/neatio-net/neatio/utilities/common"
    26  )
    27  
    28  // Tests that the node iterator indeed walks over the entire database contents.
    29  func TestNodeIteratorCoverage(t *testing.T) {
    30  	// Create some arbitrary test state to iterate
    31  	db, root, _ := makeTestState()
    32  
    33  	state, err := New(root, db)
    34  	if err != nil {
    35  		t.Fatalf("failed to create state trie at %x: %v", root, err)
    36  	}
    37  	// Gather all the node hashes found by the iterator
    38  	hashes := make(map[common.Hash]struct{})
    39  	for it := NewNodeIterator(state); it.Next(); {
    40  		if it.Hash != (common.Hash{}) {
    41  			hashes[it.Hash] = struct{}{}
    42  		}
    43  	}
    44  	// Cross check the iterated hashes and the database/nodepool content
    45  	for hash := range hashes {
    46  		if _, err := db.TrieDB().Node(hash); err != nil {
    47  			t.Errorf("failed to retrieve reported node %x", hash)
    48  		}
    49  	}
    50  	for _, hash := range db.TrieDB().Nodes() {
    51  		if _, ok := hashes[hash]; !ok {
    52  			t.Errorf("state entry not reported %x", hash)
    53  		}
    54  	}
    55  	//for _, key := range db.TrieDB().DiskDB().(*memorydb.Database).Keys() {
    56  	//	if bytes.HasPrefix(key, []byte("secure-key-")) {
    57  	//		continue
    58  	//	}
    59  	//	if _, ok := hashes[common.BytesToHash(key)]; !ok {
    60  	//		t.Errorf("state entry not reported %x", key)
    61  	//	}
    62  	//}
    63  
    64  	it := db.TrieDB().DiskDB().(*memorydb.Database).NewIterator()
    65  	for it.Next() {
    66  		key := it.Key()
    67  		if bytes.HasPrefix(key, []byte("secure-key-")) {
    68  			continue
    69  		}
    70  		if _, ok := hashes[common.BytesToHash(key)]; !ok {
    71  			t.Errorf("state entry not reported %x", key)
    72  		}
    73  	}
    74  
    75  	it.Release()
    76  
    77  }