github.com/franono/tendermint@v0.32.2-0.20200527150959-749313264ce9/state/txindex/kv/kv_bench_test.go (about)

     1  package kv
     2  
     3  import (
     4  	"context"
     5  	"crypto/rand"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"testing"
     9  
    10  	dbm "github.com/tendermint/tm-db"
    11  
    12  	abci "github.com/franono/tendermint/abci/types"
    13  	"github.com/franono/tendermint/libs/pubsub/query"
    14  	"github.com/franono/tendermint/types"
    15  )
    16  
    17  func BenchmarkTxSearch(b *testing.B) {
    18  	dbDir, err := ioutil.TempDir("", "benchmark_tx_search_test")
    19  	if err != nil {
    20  		b.Errorf("failed to create temporary directory: %s", err)
    21  	}
    22  
    23  	db, err := dbm.NewGoLevelDB("benchmark_tx_search_test", dbDir)
    24  	if err != nil {
    25  		b.Errorf("failed to create database: %s", err)
    26  	}
    27  
    28  	allowedKeys := []string{"transfer.address", "transfer.amount"}
    29  	indexer := NewTxIndex(db, IndexEvents(allowedKeys))
    30  
    31  	for i := 0; i < 35000; i++ {
    32  		events := []abci.Event{
    33  			{
    34  				Type: "transfer",
    35  				Attributes: []abci.EventAttribute{
    36  					{Key: []byte("address"), Value: []byte(fmt.Sprintf("address_%d", i%100))},
    37  					{Key: []byte("amount"), Value: []byte("50")},
    38  				},
    39  			},
    40  		}
    41  
    42  		txBz := make([]byte, 8)
    43  		if _, err := rand.Read(txBz); err != nil {
    44  			b.Errorf("failed produce random bytes: %s", err)
    45  		}
    46  
    47  		txResult := &types.TxResult{
    48  			Height: int64(i),
    49  			Index:  0,
    50  			Tx:     types.Tx(string(txBz)),
    51  			Result: abci.ResponseDeliverTx{
    52  				Data:   []byte{0},
    53  				Code:   abci.CodeTypeOK,
    54  				Log:    "",
    55  				Events: events,
    56  			},
    57  		}
    58  
    59  		if err := indexer.Index(txResult); err != nil {
    60  			b.Errorf("failed to index tx: %s", err)
    61  		}
    62  	}
    63  
    64  	txQuery := query.MustParse("transfer.address = 'address_43' AND transfer.amount = 50")
    65  
    66  	b.ResetTimer()
    67  
    68  	ctx := context.Background()
    69  
    70  	for i := 0; i < b.N; i++ {
    71  		if _, err := indexer.Search(ctx, txQuery); err != nil {
    72  			b.Errorf("failed to query for txs: %s", err)
    73  		}
    74  	}
    75  }