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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 (
"math/big"
"testing"
"github.com/dexon-foundation/dexon/common"
"github.com/dexon-foundation/dexon/core/types"
"github.com/dexon-foundation/dexon/ethdb"
)
// Tests that positional lookup metadata can be stored and retrieved.
func TestLookupStorage(t *testing.T) {
db := ethdb.NewMemDatabase()
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)
// 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
WriteBlock(db, block)
WriteTxLookupEntries(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)
}
}
}
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