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event_tracker_store_test.go
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event_tracker_store_test.go
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package tracker
import (
"encoding/hex"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/0xPolygon/polygon-edge/helper/common"
"github.com/hashicorp/go-hclog"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/umbracle/ethgo"
"github.com/umbracle/ethgo/tracker/store"
)
func createSetupDB(subscriber eventSubscription, numBlockConfirmations uint64) store.SetupDB {
return func(t *testing.T) (store.Store, func()) {
t.Helper()
dir, err := ioutil.TempDir("/tmp", "boltdb-test")
require.NoError(t, err)
path := filepath.Join(dir, "test.db")
store, err := NewEventTrackerStore(path, numBlockConfirmations, subscriber, hclog.Default())
require.NoError(t, err)
closeFn := func() {
require.NoError(t, os.RemoveAll(dir))
}
return store, closeFn
}
}
func TestBoltDBStore(t *testing.T) {
t.Parallel()
store.TestStore(t, createSetupDB(nil, 2))
}
func TestEntry_getFinalizedLogs(t *testing.T) {
t.Parallel()
const someFilterHash = "test"
tstore, closeFn := createSetupDB(nil, 3)(t)
defer closeFn()
entry, err := tstore.(*EventTrackerStore).getImplEntry(someFilterHash)
require.NoError(t, err)
require.NoError(t, entry.StoreLogs([]*ethgo.Log{
{BlockNumber: 1}, {BlockNumber: 5}, {BlockNumber: 8}, {BlockNumber: 11}, {BlockNumber: 12}, {BlockNumber: 15},
}))
logs, key, err := entry.getFinalizedLogs(10)
assert.NoError(t, err)
assert.Len(t, logs, 3)
assert.Equal(t, common.EncodeUint64ToBytes(2), key)
err = entry.saveNextToProcessIndx(1) // next time should start from the second one
require.NoError(t, err)
logs, key, err = entry.getFinalizedLogs(14)
assert.NoError(t, err)
assert.Len(t, logs, 4)
assert.Equal(t, common.EncodeUint64ToBytes(4), key)
}
func TestEntry_saveNextToProcessIndx(t *testing.T) {
const someFilterHash = "test"
tstore, closeFn := createSetupDB(nil, 2)(t)
defer closeFn()
entry, err := tstore.(*EventTrackerStore).getImplEntry(someFilterHash)
require.NoError(t, err)
require.NoError(t, entry.StoreLogs([]*ethgo.Log{
{BlockNumber: 1}, {BlockNumber: 5}, {BlockNumber: 8}, {BlockNumber: 11}, {BlockNumber: 12}, {BlockNumber: 15},
}))
for i := 0; i < 10; i++ {
require.NoError(t, entry.saveNextToProcessIndx(uint64(i)))
}
}
func TestEventTrackerStore_SetNotLastBlock(t *testing.T) {
t.Parallel()
subs := &mockEventSubscriber{}
tstore, closeFn := createSetupDB(subs, 2)(t)
defer closeFn()
assert.NoError(t, tstore.(*EventTrackerStore).Set("dummy", "dummy")) //nolint
assert.Len(t, subs.logs, 0)
}
func TestEventTrackerStore_onNewBlockBad(t *testing.T) {
t.Parallel()
tstore, closeFn := createSetupDB(nil, 0)(t)
defer closeFn()
assert.Error(t, tstore.(*EventTrackerStore).onNewBlock("dummy", "dummy")) //nolint
assert.Error(t, tstore.(*EventTrackerStore).onNewBlock("dummy", hex.EncodeToString([]byte{0, 1}))) //nolint
}
func TestEventTrackerStore_OnNewBlockNothingToProcess(t *testing.T) {
t.Parallel()
subs := &mockEventSubscriber{}
tstore, closeFn := createSetupDB(subs, 10)(t)
defer closeFn()
block := ethgo.Block{Number: 8}
bytes, err := block.MarshalJSON()
require.NoError(t, err)
value := hex.EncodeToString(bytes)
// block less than numBlockConfirmations
assert.NoError(t, tstore.(*EventTrackerStore).onNewBlock("dummy", value)) //nolint
assert.Len(t, subs.logs, 0)
block = ethgo.Block{Number: 12}
bytes, err = block.MarshalJSON()
require.NoError(t, err)
value = hex.EncodeToString(bytes)
// no logs
assert.NoError(t, tstore.(*EventTrackerStore).onNewBlock("dummy", value)) //nolint
assert.Len(t, subs.logs, 0)
}
func TestEventTrackerStore_SetLastBlockSubscriberNotified(t *testing.T) {
t.Parallel()
const hash = "dummy_hash"
subs := &mockEventSubscriber{}
tstore, closeFn := createSetupDB(subs, 2)(t)
defer closeFn()
entry, err := tstore.GetEntry(hash)
require.NoError(t, err)
require.NoError(t, entry.StoreLogs([]*ethgo.Log{
{BlockNumber: 1}, {BlockNumber: 2}, {BlockNumber: 3},
}))
// There are 3 logs in store (one for block 1, one for block 2, one for block 3) and numBlockConfirmations is 2
// If block 2 arrives (`tstore.Set(dbLastBlockPrefix+hash, value)`) subscriber should be notified with 0 logs
// If block 3 arrives subscriber should be notified with 1 log
// If block 4 arrives subscriber should be notified with 2 logs
// If block 5 arrives subscriber should be notified with all 3 logs
for i := 0; i < 4; i++ {
block := ethgo.Block{Number: uint64(i + 2)}
bytes, err := block.MarshalJSON()
require.NoError(t, err)
value := hex.EncodeToString(bytes)
assert.NoError(t, tstore.Set(dbLastBlockPrefix+hash, value))
assert.Len(t, subs.logs, i)
subs.logs = nil
require.NoError(t, entry.(*Entry).saveNextToProcessIndx(0)) //nolint
}
}