mirror of
https://github.com/luxfi/evm.git
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zeekay
19fe8dc2c7
- Updated go:generate comments to use luxfi/geth instead of ethereum/go-ethereum - Fixed GitHub issue/PR references to point to luxfi repositories - Updated comments referencing the Lux geth fork - Part of the migration to unified EVM architecture with Lux consensus
98 lines
3.2 KiB
Go
98 lines
3.2 KiB
Go
// (c) 2020-2021, Lux Industries, Inc.
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//
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// This file is a derived work, based on the go-ethereum library whose original
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// notices appear below.
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//
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// It is distributed under a license compatible with the licensing terms of the
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// original code from which it is derived.
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//
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// Much love to the original authors for their work.
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// **********
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// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package trie
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import (
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"fmt"
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"github.com/luxfi/geth/core/rawdb"
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"github.com/luxfi/geth/core/types"
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"github.com/luxfi/geth/trie/trienode"
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"github.com/luxfi/geth/common"
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"github.com/luxfi/geth/ethdb"
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)
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// makeTestTrie create a sample test trie to test node-wise reconstruction.
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func makeTestTrie(scheme string) (ethdb.Database, *testDb, *StateTrie, map[string][]byte) {
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// Create an empty trie
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db := rawdb.NewMemoryDatabase()
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triedb := newTestDatabase(db, scheme)
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trie, _ := NewStateTrie(TrieID(types.EmptyRootHash), triedb)
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// Fill it with some arbitrary data
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content := make(map[string][]byte)
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for i := byte(0); i < 255; i++ {
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// Map the same data under multiple keys
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key, val := common.LeftPadBytes([]byte{1, i}, 32), []byte{i}
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content[string(key)] = val
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trie.MustUpdate(key, val)
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key, val = common.LeftPadBytes([]byte{2, i}, 32), []byte{i}
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content[string(key)] = val
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trie.MustUpdate(key, val)
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// Add some other data to inflate the trie
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for j := byte(3); j < 13; j++ {
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key, val = common.LeftPadBytes([]byte{j, i}, 32), []byte{j, i}
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content[string(key)] = val
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trie.MustUpdate(key, val)
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}
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}
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root, nodes, _ := trie.Commit(false)
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if err := triedb.Update(root, types.EmptyRootHash, trienode.NewWithNodeSet(nodes)); err != nil {
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panic(fmt.Errorf("failed to commit db %v", err))
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}
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if err := triedb.Commit(root); err != nil {
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panic(err)
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}
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// Re-create the trie based on the new state
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trie, _ = NewStateTrie(TrieID(root), triedb)
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return db, triedb, trie, content
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}
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// checkTrieConsistency checks that all nodes in a trie are indeed present.
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func checkTrieConsistency(db ethdb.Database, scheme string, root common.Hash, rawTrie bool) error {
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ndb := newTestDatabase(db, scheme)
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var it NodeIterator
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if rawTrie {
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trie, err := New(TrieID(root), ndb)
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if err != nil {
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return nil // Consider a non existent state consistent
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}
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it = trie.MustNodeIterator(nil)
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} else {
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trie, err := NewStateTrie(TrieID(root), ndb)
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if err != nil {
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return nil // Consider a non existent state consistent
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}
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it = trie.MustNodeIterator(nil)
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}
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for it.Next(true) {
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}
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return it.Error()
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}
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