github.com/MaynardMiner/ethereumprogpow@v1.8.23/core/rawdb/accessors_indexes_test.go (about)

     1  // Copyright 2018 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 rawdb
    18  
    19  import (
    20  	"math/big"
    21  	"testing"
    22  
    23  	"github.com/ethereumprogpow/ethereumprogpow/common"
    24  	"github.com/ethereumprogpow/ethereumprogpow/core/types"
    25  	"github.com/ethereumprogpow/ethereumprogpow/ethdb"
    26  )
    27  
    28  // Tests that positional lookup metadata can be stored and retrieved.
    29  func TestLookupStorage(t *testing.T) {
    30  	db := ethdb.NewMemDatabase()
    31  
    32  	tx1 := types.NewTransaction(1, common.BytesToAddress([]byte{0x11}), big.NewInt(111), 1111, big.NewInt(11111), []byte{0x11, 0x11, 0x11})
    33  	tx2 := types.NewTransaction(2, common.BytesToAddress([]byte{0x22}), big.NewInt(222), 2222, big.NewInt(22222), []byte{0x22, 0x22, 0x22})
    34  	tx3 := types.NewTransaction(3, common.BytesToAddress([]byte{0x33}), big.NewInt(333), 3333, big.NewInt(33333), []byte{0x33, 0x33, 0x33})
    35  	txs := []*types.Transaction{tx1, tx2, tx3}
    36  
    37  	block := types.NewBlock(&types.Header{Number: big.NewInt(314)}, txs, nil, nil)
    38  
    39  	// Check that no transactions entries are in a pristine database
    40  	for i, tx := range txs {
    41  		if txn, _, _, _ := ReadTransaction(db, tx.Hash()); txn != nil {
    42  			t.Fatalf("tx #%d [%x]: non existent transaction returned: %v", i, tx.Hash(), txn)
    43  		}
    44  	}
    45  	// Insert all the transactions into the database, and verify contents
    46  	WriteBlock(db, block)
    47  	WriteTxLookupEntries(db, block)
    48  
    49  	for i, tx := range txs {
    50  		if txn, hash, number, index := ReadTransaction(db, tx.Hash()); txn == nil {
    51  			t.Fatalf("tx #%d [%x]: transaction not found", i, tx.Hash())
    52  		} else {
    53  			if hash != block.Hash() || number != block.NumberU64() || index != uint64(i) {
    54  				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)
    55  			}
    56  			if tx.Hash() != txn.Hash() {
    57  				t.Fatalf("tx #%d [%x]: transaction mismatch: have %v, want %v", i, tx.Hash(), txn, tx)
    58  			}
    59  		}
    60  	}
    61  	// Delete the transactions and check purge
    62  	for i, tx := range txs {
    63  		DeleteTxLookupEntry(db, tx.Hash())
    64  		if txn, _, _, _ := ReadTransaction(db, tx.Hash()); txn != nil {
    65  			t.Fatalf("tx #%d [%x]: deleted transaction returned: %v", i, tx.Hash(), txn)
    66  		}
    67  	}
    68  }