chore: refresh gramsrv public release

internal/app/readmodel/hash.go

@@ -0,0 +1,32 @@
+package readmodel
+
+import (
+	"encoding/binary"
+	"hash/fnv"
+)
+
+const (
+	ModelDialogLight         = "dialog_light"
+	ModelContactAccount      = "contact_account"
+	ModelChannelBase         = "channel_base"
+	ModelChannelMember       = "channel_member"
+	ModelChannelActiveIDs    = "channel_active_memberships"
+	ModelChannelMediaCounts  = "channel_media_counts"
+	ModelPrivateMediaCounts  = "private_media_counts"
+	ModelChannelParticipants = "channel_participants"
+	ModelChannelSelfBoosts   = "channel_self_boosts"
+)
+
+func MixHashes(values ...int64) int64 {
+	h := fnv.New64a()
+	var buf [8]byte
+	for _, value := range values {
+		binary.LittleEndian.PutUint64(buf[:], uint64(value))
+		_, _ = h.Write(buf[:])
+	}
+	sum := int64(h.Sum64() & 0x7fffffffffffffff)
+	if sum == 0 {
+		return 1
+	}
+	return sum
+}