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accessors_indexes_test.go
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/
accessors_indexes_test.go
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// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rawdb
import (
"bytes"
"hash"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
"golang.org/x/crypto/sha3"
)
// testHasher is the helper tool for transaction/receipt list hashing.
// The original hasher is trie, in order to get rid of import cycle,
// use the testing hasher instead.
type testHasher struct {
hasher hash.Hash
}
func newHasher() *testHasher {
return &testHasher{hasher: sha3.NewLegacyKeccak256()}
}
func (h *testHasher) Reset() {
h.hasher.Reset()
}
func (h *testHasher) Update(key, val []byte) error {
h.hasher.Write(key)
h.hasher.Write(val)
return nil
}
func (h *testHasher) Hash() common.Hash {
return common.BytesToHash(h.hasher.Sum(nil))
}
// Tests that positional lookup metadata can be stored and retrieved.
func TestLookupStorage(t *testing.T) {
tests := []struct {
name string
writeTxLookupEntriesByBlock func(ethdb.Writer, *types.Block)
}{
{
"DatabaseV6",
func(db ethdb.Writer, block *types.Block) {
WriteTxLookupEntriesByBlock(db, block)
},
},
{
"DatabaseV4-V5",
func(db ethdb.Writer, block *types.Block) {
for _, tx := range block.Transactions() {
db.Put(txLookupKey(tx.Hash()), block.Hash().Bytes())
}
},
},
{
"DatabaseV3",
func(db ethdb.Writer, block *types.Block) {
for index, tx := range block.Transactions() {
entry := LegacyTxLookupEntry{
BlockHash: block.Hash(),
BlockIndex: block.NumberU64(),
Index: uint64(index),
}
data, _ := rlp.EncodeToBytes(entry)
db.Put(txLookupKey(tx.Hash()), data)
}
},
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
db := NewMemoryDatabase()
tx1 := types.NewTransaction(1, common.BytesToAddress([]byte{0x11}), big.NewInt(111), 1111, big.NewInt(11111), []byte{0x11, 0x11, 0x11})
tx2 := types.NewTransaction(2, common.BytesToAddress([]byte{0x22}), big.NewInt(222), 2222, big.NewInt(22222), []byte{0x22, 0x22, 0x22})
tx3 := types.NewTransaction(3, common.BytesToAddress([]byte{0x33}), big.NewInt(333), 3333, big.NewInt(33333), []byte{0x33, 0x33, 0x33})
txs := []*types.Transaction{tx1, tx2, tx3}
block := types.NewBlock(&types.Header{Number: big.NewInt(314)}, txs, nil, nil, newHasher())
// Check that no transactions entries are in a pristine database
for i, tx := range txs {
if txn, _, _, _ := ReadTransaction(db, tx.Hash()); txn != nil {
t.Fatalf("tx #%d [%x]: non existent transaction returned: %v", i, tx.Hash(), txn)
}
}
// Insert all the transactions into the database, and verify contents
WriteCanonicalHash(db, block.Hash(), block.NumberU64())
WriteBlock(db, block)
tc.writeTxLookupEntriesByBlock(db, block)
for i, tx := range txs {
if txn, hash, number, index := ReadTransaction(db, tx.Hash()); txn == nil {
t.Fatalf("tx #%d [%x]: transaction not found", i, tx.Hash())
} else {
if hash != block.Hash() || number != block.NumberU64() || index != uint64(i) {
t.Fatalf("tx #%d [%x]: positional metadata mismatch: have %x/%d/%d, want %x/%v/%v", i, tx.Hash(), hash, number, index, block.Hash(), block.NumberU64(), i)
}
if tx.Hash() != txn.Hash() {
t.Fatalf("tx #%d [%x]: transaction mismatch: have %v, want %v", i, tx.Hash(), txn, tx)
}
}
}
// Delete the transactions and check purge
for i, tx := range txs {
DeleteTxLookupEntry(db, tx.Hash())
if txn, _, _, _ := ReadTransaction(db, tx.Hash()); txn != nil {
t.Fatalf("tx #%d [%x]: deleted transaction returned: %v", i, tx.Hash(), txn)
}
}
})
}
}
func TestDeleteBloomBits(t *testing.T) {
// Prepare testing data
db := NewMemoryDatabase()
for i := uint(0); i < 2; i++ {
for s := uint64(0); s < 2; s++ {
WriteBloomBits(db, i, s, params.MainnetGenesisHash, []byte{0x01, 0x02})
WriteBloomBits(db, i, s, params.SepoliaGenesisHash, []byte{0x01, 0x02})
}
}
check := func(bit uint, section uint64, head common.Hash, exist bool) {
bits, _ := ReadBloomBits(db, bit, section, head)
if exist && !bytes.Equal(bits, []byte{0x01, 0x02}) {
t.Fatalf("Bloombits mismatch")
}
if !exist && len(bits) > 0 {
t.Fatalf("Bloombits should be removed")
}
}
// Check the existence of written data.
check(0, 0, params.MainnetGenesisHash, true)
check(0, 0, params.SepoliaGenesisHash, true)
// Check the existence of deleted data.
DeleteBloombits(db, 0, 0, 1)
check(0, 0, params.MainnetGenesisHash, false)
check(0, 0, params.SepoliaGenesisHash, false)
check(0, 1, params.MainnetGenesisHash, true)
check(0, 1, params.SepoliaGenesisHash, true)
// Check the existence of deleted data.
DeleteBloombits(db, 0, 0, 2)
check(0, 0, params.MainnetGenesisHash, false)
check(0, 0, params.SepoliaGenesisHash, false)
check(0, 1, params.MainnetGenesisHash, false)
check(0, 1, params.SepoliaGenesisHash, false)
// Bit1 shouldn't be affect.
check(1, 0, params.MainnetGenesisHash, true)
check(1, 0, params.SepoliaGenesisHash, true)
check(1, 1, params.MainnetGenesisHash, true)
check(1, 1, params.SepoliaGenesisHash, true)
}