Migrate package imports from next.orly.dev to new orly domain structure; add new varint and binary encoders with comprehensive tests; enhance existing tag and envelope implementations with additional methods, validations, and test coverage; introduce shared test.sh script for streamlined testing across modules.

pkg/database/get-serials-by-range.go

@@ -0,0 +1,51 @@
+package database
+
+import (
+	"bytes"
+	"sort"
+
+	"database.orly/indexes/types"
+	"github.com/dgraph-io/badger/v4"
+	"lol.mleku.dev/chk"
+)
+
+func (d *D) GetSerialsByRange(idx Range) (
+	sers types.Uint40s, err error,
+) {
+	if err = d.View(
+		func(txn *badger.Txn) (err error) {
+			it := txn.NewIterator(
+				badger.IteratorOptions{
+					Reverse: true,
+				},
+			)
+			defer it.Close()
+			for it.Seek(idx.End); it.Valid(); it.Next() {
+				item := it.Item()
+				var key []byte
+				key = item.Key()
+				if bytes.Compare(
+					key[:len(key)-5], idx.Start,
+				) < 0 {
+					// didn't find it within the timestamp range
+					return
+				}
+				ser := new(types.Uint40)
+				buf := bytes.NewBuffer(key[len(key)-5:])
+				if err = ser.UnmarshalRead(buf); chk.E(err) {
+					return
+				}
+				sers = append(sers, ser)
+			}
+			return
+		},
+	); chk.E(err) {
+		return
+	}
+	sort.Slice(
+		sers, func(i, j int) bool {
+			return sers[i].Get() < sers[j].Get()
+		},
+	)
+	return
+}