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- // Copyright 2019 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 (
- "math/big"
- "reflect"
- "sort"
- "sync"
- "testing"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/core/types"
- )
- func TestChainIterator(t *testing.T) {
- // Construct test chain db
- chainDb := NewMemoryDatabase()
- var block *types.Block
- var txs []*types.Transaction
- to := common.BytesToAddress([]byte{0x11})
- block = types.NewBlock(&types.Header{Number: big.NewInt(int64(0))}, nil, nil, nil, newHasher()) // Empty genesis block
- WriteBlock(chainDb, block)
- WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
- for i := uint64(1); i <= 10; i++ {
- var tx *types.Transaction
- if i%2 == 0 {
- tx = types.NewTx(&types.LegacyTx{
- Nonce: i,
- GasPrice: big.NewInt(11111),
- Gas: 1111,
- To: &to,
- Value: big.NewInt(111),
- Data: []byte{0x11, 0x11, 0x11},
- })
- } else {
- tx = types.NewTx(&types.AccessListTx{
- ChainID: big.NewInt(1337),
- Nonce: i,
- GasPrice: big.NewInt(11111),
- Gas: 1111,
- To: &to,
- Value: big.NewInt(111),
- Data: []byte{0x11, 0x11, 0x11},
- })
- }
- txs = append(txs, tx)
- block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, []*types.Transaction{tx}, nil, nil, newHasher())
- WriteBlock(chainDb, block)
- WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
- }
- var cases = []struct {
- from, to uint64
- reverse bool
- expect []int
- }{
- {0, 11, true, []int{10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0}},
- {0, 0, true, nil},
- {0, 5, true, []int{4, 3, 2, 1, 0}},
- {10, 11, true, []int{10}},
- {0, 11, false, []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}},
- {0, 0, false, nil},
- {10, 11, false, []int{10}},
- }
- for i, c := range cases {
- var numbers []int
- hashCh := iterateTransactions(chainDb, c.from, c.to, c.reverse, nil)
- if hashCh != nil {
- for h := range hashCh {
- numbers = append(numbers, int(h.number))
- if len(h.hashes) > 0 {
- if got, exp := h.hashes[0], txs[h.number-1].Hash(); got != exp {
- t.Fatalf("block %d: hash wrong, got %x exp %x", h.number, got, exp)
- }
- }
- }
- }
- if !c.reverse {
- sort.Ints(numbers)
- } else {
- sort.Sort(sort.Reverse(sort.IntSlice(numbers)))
- }
- if !reflect.DeepEqual(numbers, c.expect) {
- t.Fatalf("Case %d failed, visit element mismatch, want %v, got %v", i, c.expect, numbers)
- }
- }
- }
- func TestIndexTransactions(t *testing.T) {
- // Construct test chain db
- chainDb := NewMemoryDatabase()
- var block *types.Block
- var txs []*types.Transaction
- to := common.BytesToAddress([]byte{0x11})
- // Write empty genesis block
- block = types.NewBlock(&types.Header{Number: big.NewInt(int64(0))}, nil, nil, nil, newHasher())
- WriteBlock(chainDb, block)
- WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
- for i := uint64(1); i <= 10; i++ {
- var tx *types.Transaction
- if i%2 == 0 {
- tx = types.NewTx(&types.LegacyTx{
- Nonce: i,
- GasPrice: big.NewInt(11111),
- Gas: 1111,
- To: &to,
- Value: big.NewInt(111),
- Data: []byte{0x11, 0x11, 0x11},
- })
- } else {
- tx = types.NewTx(&types.AccessListTx{
- ChainID: big.NewInt(1337),
- Nonce: i,
- GasPrice: big.NewInt(11111),
- Gas: 1111,
- To: &to,
- Value: big.NewInt(111),
- Data: []byte{0x11, 0x11, 0x11},
- })
- }
- txs = append(txs, tx)
- block = types.NewBlock(&types.Header{Number: big.NewInt(int64(i))}, []*types.Transaction{tx}, nil, nil, newHasher())
- WriteBlock(chainDb, block)
- WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
- }
- // verify checks whether the tx indices in the range [from, to)
- // is expected.
- verify := func(from, to int, exist bool, tail uint64) {
- for i := from; i < to; i++ {
- if i == 0 {
- continue
- }
- number := ReadTxLookupEntry(chainDb, txs[i-1].Hash())
- if exist && number == nil {
- t.Fatalf("Transaction index %d missing", i)
- }
- if !exist && number != nil {
- t.Fatalf("Transaction index %d is not deleted", i)
- }
- }
- number := ReadTxIndexTail(chainDb)
- if number == nil || *number != tail {
- t.Fatalf("Transaction tail mismatch")
- }
- }
- IndexTransactions(chainDb, 5, 11, nil)
- verify(5, 11, true, 5)
- verify(0, 5, false, 5)
- IndexTransactions(chainDb, 0, 5, nil)
- verify(0, 11, true, 0)
- UnindexTransactions(chainDb, 0, 5, nil)
- verify(5, 11, true, 5)
- verify(0, 5, false, 5)
- UnindexTransactions(chainDb, 5, 11, nil)
- verify(0, 11, false, 11)
- // Testing corner cases
- signal := make(chan struct{})
- var once sync.Once
- indexTransactionsForTesting(chainDb, 5, 11, signal, func(n uint64) bool {
- if n <= 8 {
- once.Do(func() {
- close(signal)
- })
- return false
- }
- return true
- })
- verify(9, 11, true, 9)
- verify(0, 9, false, 9)
- IndexTransactions(chainDb, 0, 9, nil)
- signal = make(chan struct{})
- var once2 sync.Once
- unindexTransactionsForTesting(chainDb, 0, 11, signal, func(n uint64) bool {
- if n >= 8 {
- once2.Do(func() {
- close(signal)
- })
- return false
- }
- return true
- })
- verify(8, 11, true, 8)
- verify(0, 8, false, 8)
- }
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