Interim while bringing sqlc in

internal/domain64/database.go

@@ -0,0 +1,40 @@
+package domain64
+
+import (
+	"database/sql"
+	"sync"
+
+	"github.com/jpillora/go-tld"
+)
+
+type Domain64Map struct {
+	mu      sync.Mutex
+	m       map[string]int
+	DB      *sql.DB
+	Flushed bool
+}
+
+// Just use the D64 values.
+// TLD :: 0-255
+// TLD.Domain :: FF:FFFFFF or some range of ints
+// TLD.DOMAIN.SUBDOMAIN :: FF:FFFFFF:FF (bigger ints)
+// now it is just a map
+// https://stackoverflow.com/questions/40568759/sqlite-query-integer-field-based-on-a-bit
+
+func NewDomain64Map(db *sql.DB) (*Domain64Map, error) {
+	d64m := &Domain64Map{}
+	d64m.DB = db
+	d64m.Flushed = true
+	// Init the tables if a DB pointer is passed in.
+	return d64m, nil
+}
+
+func (d64m *Domain64Map) Insert(url string) {
+	_, err := tld.Parse(url)
+	if err != nil {
+		// TODO
+		panic(err)
+	}
+	// If we have this TLD, return the value for it.
+
+}