swarm: codebase split from go-ethereum (#1405)

storage/error.go

@@ -0,0 +1,36 @@
+// Copyright 2018 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package storage
+
+import "github.com/ethersphere/swarm/chunk"
+
+const (
+	ErrInit = iota
+	ErrNotFound
+	ErrUnauthorized
+	ErrInvalidValue
+	ErrDataOverflow
+	ErrNothingToReturn
+	ErrInvalidSignature
+	ErrNotSynced
+)
+
+// Errors are the same as the ones in chunk package for backward compatibility.
+var (
+	ErrChunkNotFound = chunk.ErrChunkNotFound
+	ErrChunkInvalid  = chunk.ErrChunkNotFound
+)