We build too many walls and not enough bridges

internal/store/convert.go

@@ -0,0 +1,32 @@
+// Copyright (c) 2020 Proton Technologies AG
+//
+// This file is part of ProtonMail Bridge.
+//
+// ProtonMail Bridge is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// ProtonMail Bridge is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
+
+package store
+
+import "encoding/binary"
+
+// itob returns a 4-byte big endian representation of v.
+func itob(v uint32) []byte {
+	b := make([]byte, 4)
+	binary.BigEndian.PutUint32(b, v)
+	return b
+}
+
+// btoi returns the uint32 represented by b.
+func btoi(b []byte) uint32 {
+	return binary.BigEndian.Uint32(b)
+}