bring in khatru and eventstore.

eventstore/test/manyauthors_test.go

@@ -0,0 +1,68 @@
+package test
+
+import (
+	"encoding/binary"
+	"encoding/hex"
+	"fmt"
+	"slices"
+	"testing"
+
+	"github.com/fiatjaf/eventstore"
+	"github.com/nbd-wtf/go-nostr"
+	"github.com/stretchr/testify/require"
+)
+
+func manyAuthorsTest(t *testing.T, db eventstore.Store) {
+	db.Init()
+
+	const total = 10000
+	const limit = 500
+	const authors = 1700
+	kinds := []int{6, 7, 8}
+
+	bigfilter := nostr.Filter{
+		Authors: make([]string, authors),
+		Kinds:   kinds,
+		Limit:   limit,
+	}
+	for i := 0; i < authors; i++ {
+		sk := make([]byte, 32)
+		binary.BigEndian.PutUint32(sk, uint32(i%(total/5))+1)
+		pk, _ := nostr.GetPublicKey(hex.EncodeToString(sk))
+		bigfilter.Authors[i] = pk
+	}
+
+	ordered := make([]*nostr.Event, 0, total)
+	for i := 0; i < total; i++ {
+		sk := make([]byte, 32)
+		binary.BigEndian.PutUint32(sk, uint32(i%(total/5))+1)
+
+		evt := &nostr.Event{
+			CreatedAt: nostr.Timestamp(i*i) / 4,
+			Content:   fmt.Sprintf("lots of stuff %d", i),
+			Tags:      nostr.Tags{},
+			Kind:      i % 10,
+		}
+		err := evt.Sign(hex.EncodeToString(sk))
+		require.NoError(t, err)
+
+		err = db.SaveEvent(ctx, evt)
+		require.NoError(t, err)
+
+		if bigfilter.Matches(evt) {
+			ordered = append(ordered, evt)
+		}
+	}
+
+	w := eventstore.RelayWrapper{Store: db}
+
+	res, err := w.QuerySync(ctx, bigfilter)
+
+	require.NoError(t, err)
+	require.Len(t, res, limit)
+	require.True(t, slices.IsSortedFunc(res, nostr.CompareEventPtrReverse))
+	slices.SortFunc(ordered, nostr.CompareEventPtrReverse)
+	require.Equal(t, ordered[0], res[0])
+	require.Equal(t, ordered[limit-1], res[limit-1])
+	require.Equal(t, ordered[0:limit], res)
+}