github.com/linapex/ethereum-dpos-chinese@v0.0.0-20190316121959-b78b3a4a1ece/core/rawdb/accessors_indexes_test.go (about)

     1  
     2  //<developer>
     3  //    <name>linapex 曹一峰</name>
     4  //    <email>linapex@163.com</email>
     5  //    <wx>superexc</wx>
     6  //    <qqgroup>128148617</qqgroup>
     7  //    <url>https://jsq.ink</url>
     8  //    <role>pku engineer</role>
     9  //    <date>2019-03-16 12:09:34</date>
    10  //</624342616997105664>
    11  
    12  
    13  package rawdb
    14  
    15  import (
    16  	"math/big"
    17  	"testing"
    18  
    19  	"github.com/ethereum/go-ethereum/common"
    20  	"github.com/ethereum/go-ethereum/core/types"
    21  	"github.com/ethereum/go-ethereum/ethdb"
    22  )
    23  
    24  //可以存储和检索位置查找元数据的测试。
    25  func TestLookupStorage(t *testing.T) {
    26  	db := ethdb.NewMemDatabase()
    27  
    28  	tx1 := types.NewTransaction(1, common.BytesToAddress([]byte{0x11}), big.NewInt(111), 1111, big.NewInt(11111), []byte{0x11, 0x11, 0x11})
    29  	tx2 := types.NewTransaction(2, common.BytesToAddress([]byte{0x22}), big.NewInt(222), 2222, big.NewInt(22222), []byte{0x22, 0x22, 0x22})
    30  	tx3 := types.NewTransaction(3, common.BytesToAddress([]byte{0x33}), big.NewInt(333), 3333, big.NewInt(33333), []byte{0x33, 0x33, 0x33})
    31  	txs := []*types.Transaction{tx1, tx2, tx3}
    32  
    33  	block := types.NewBlock(&types.Header{Number: big.NewInt(314)}, txs, nil, nil)
    34  
    35  //检查原始数据库中是否没有事务条目
    36  	for i, tx := range txs {
    37  		if txn, _, _, _ := ReadTransaction(db, tx.Hash()); txn != nil {
    38  			t.Fatalf("tx #%d [%x]: non existent transaction returned: %v", i, tx.Hash(), txn)
    39  		}
    40  	}
    41  //将所有事务插入数据库，并验证内容
    42  	WriteBlock(db, block)
    43  	WriteTxLookupEntries(db, block)
    44  
    45  	for i, tx := range txs {
    46  		if txn, hash, number, index := ReadTransaction(db, tx.Hash()); txn == nil {
    47  			t.Fatalf("tx #%d [%x]: transaction not found", i, tx.Hash())
    48  		} else {
    49  			if hash != block.Hash() || number != block.NumberU64() || index != uint64(i) {
    50  				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)
    51  			}
    52  			if tx.Hash() != txn.Hash() {
    53  				t.Fatalf("tx #%d [%x]: transaction mismatch: have %v, want %v", i, tx.Hash(), txn, tx)
    54  			}
    55  		}
    56  	}
    57  //删除交易记录并检查清除
    58  	for i, tx := range txs {
    59  		DeleteTxLookupEntry(db, tx.Hash())
    60  		if txn, _, _, _ := ReadTransaction(db, tx.Hash()); txn != nil {
    61  			t.Fatalf("tx #%d [%x]: deleted transaction returned: %v", i, tx.Hash(), txn)
    62  		}
    63  	}
    64  }
    65