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package indexer_test
import (
"database/sql"
"fmt"
"io/ioutil"
"os"
"testing"
"time"
"github.com/adlio/schema"
_ "github.com/lib/pq"
dockertest "github.com/ory/dockertest"
"github.com/ory/dockertest/docker"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
abci "github.com/tendermint/tendermint/abci/types"
tmlog "github.com/tendermint/tendermint/libs/log"
indexer "github.com/tendermint/tendermint/state/indexer"
kv "github.com/tendermint/tendermint/state/indexer/sink/kv"
psql "github.com/tendermint/tendermint/state/indexer/sink/psql"
"github.com/tendermint/tendermint/types"
db "github.com/tendermint/tm-db"
)
var psqldb *sql.DB
var resource *dockertest.Resource
var pSink indexer.EventSink
var (
user = "postgres"
password = "secret"
port = "5432"
dsn = "postgres://%s:%s@localhost:%s/%s?sslmode=disable"
dbName = "postgres"
)
func TestIndexerServiceIndexesBlocks(t *testing.T) {
// event bus
eventBus := types.NewEventBus()
eventBus.SetLogger(tmlog.TestingLogger())
err := eventBus.Start()
require.NoError(t, err)
t.Cleanup(func() {
if err := eventBus.Stop(); err != nil {
t.Error(err)
}
})
assert.False(t, indexer.KVSinkEnabled([]indexer.EventSink{}))
assert.False(t, indexer.IndexingEnabled([]indexer.EventSink{}))
// event sink setup
pool, err := setupDB(t)
assert.Nil(t, err)
store := db.NewMemDB()
eventSinks := []indexer.EventSink{kv.NewEventSink(store), pSink}
assert.True(t, indexer.KVSinkEnabled(eventSinks))
assert.True(t, indexer.IndexingEnabled(eventSinks))
service := indexer.NewIndexerService(eventSinks, eventBus)
service.SetLogger(tmlog.TestingLogger())
err = service.Start()
require.NoError(t, err)
t.Cleanup(func() {
if err := service.Stop(); err != nil {
t.Error(err)
}
})
// publish block with txs
err = eventBus.PublishEventNewBlockHeader(types.EventDataNewBlockHeader{
Header: types.Header{Height: 1},
NumTxs: int64(2),
})
require.NoError(t, err)
txResult1 := &abci.TxResult{
Height: 1,
Index: uint32(0),
Tx: types.Tx("foo"),
Result: abci.ResponseDeliverTx{Code: 0},
}
err = eventBus.PublishEventTx(types.EventDataTx{TxResult: *txResult1})
require.NoError(t, err)
txResult2 := &abci.TxResult{
Height: 1,
Index: uint32(1),
Tx: types.Tx("bar"),
Result: abci.ResponseDeliverTx{Code: 0},
}
err = eventBus.PublishEventTx(types.EventDataTx{TxResult: *txResult2})
require.NoError(t, err)
time.Sleep(100 * time.Millisecond)
res, err := eventSinks[0].GetTxByHash(types.Tx("foo").Hash())
require.NoError(t, err)
require.Equal(t, txResult1, res)
ok, err := eventSinks[0].HasBlock(1)
require.NoError(t, err)
require.True(t, ok)
res, err = eventSinks[0].GetTxByHash(types.Tx("bar").Hash())
require.NoError(t, err)
require.Equal(t, txResult2, res)
assert.Nil(t, teardown(t, pool))
}
func readSchema() ([]*schema.Migration, error) {
filename := "./sink/psql/schema.sql"
contents, err := ioutil.ReadFile(filename)
if err != nil {
return nil, fmt.Errorf("failed to read sql file from '%s': %w", filename, err)
}
mg := &schema.Migration{}
mg.ID = time.Now().Local().String() + " db schema"
mg.Script = string(contents)
return append([]*schema.Migration{}, mg), nil
}
func resetDB(t *testing.T) {
q := "DROP TABLE IF EXISTS block_events,tx_events,tx_results"
_, err := psqldb.Exec(q)
assert.Nil(t, err)
q = "DROP TYPE IF EXISTS block_event_type"
_, err = psqldb.Exec(q)
assert.Nil(t, err)
}
func setupDB(t *testing.T) (*dockertest.Pool, error) {
t.Helper()
pool, err := dockertest.NewPool(os.Getenv("DOCKER_URL"))
assert.Nil(t, err)
resource, err = pool.RunWithOptions(&dockertest.RunOptions{
Repository: "postgres",
Tag: "13",
Env: []string{
"POSTGRES_USER=" + user,
"POSTGRES_PASSWORD=" + password,
"POSTGRES_DB=" + dbName,
"listen_addresses = '*'",
},
ExposedPorts: []string{port},
}, func(config *docker.HostConfig) {
// set AutoRemove to true so that stopped container goes away by itself
config.AutoRemove = true
config.RestartPolicy = docker.RestartPolicy{
Name: "no",
}
})
assert.Nil(t, err)
// Set the container to expire in a minute to avoid orphaned containers
// hanging around
_ = resource.Expire(60)
conn := fmt.Sprintf(dsn, user, password, resource.GetPort(port+"/tcp"), dbName)
assert.NoError(t, pool.Retry(func() error {
sink, err := psql.NewEventSink(conn, "test-chainID")
if err != nil {
return err
}
pSink = sink
psqldb = sink.DB()
return psqldb.Ping()
}))
resetDB(t)
sm, err := readSchema()
assert.Nil(t, err)
err = schema.NewMigrator().Apply(psqldb, sm)
assert.Nil(t, err)
return pool, nil
}
func teardown(t *testing.T, pool *dockertest.Pool) error {
t.Helper()
// When you're done, kill and remove the container
assert.Nil(t, pool.Purge(resource))
return psqldb.Close()
}