chunk, storage: storage with multi chunk Set method (ethersphere#1684)

Author: janos

chunk/chunk.go

@@ -247,7 +247,7 @@ type Store interface {
 	Put(ctx context.Context, mode ModePut, chs ...Chunk) (exist []bool, err error)
 	Has(ctx context.Context, addr Address) (yes bool, err error)
 	HasMulti(ctx context.Context, addrs ...Address) (yes []bool, err error)
-	Set(ctx context.Context, mode ModeSet, addr Address) (err error)
+	Set(ctx context.Context, mode ModeSet, addrs ...Address) (err error)
 	LastPullSubscriptionBinID(bin uint8) (id uint64, err error)
 	SubscribePull(ctx context.Context, bin uint8, since, until uint64) (c <-chan Descriptor, stop func())
 	Close() (err error)

storage/common_test.go

@@ -281,7 +281,7 @@ func (m *MapChunkStore) HasMulti(ctx context.Context, refs ...Address) (have []b
 	return have, nil
 }
 
-func (m *MapChunkStore) Set(ctx context.Context, mode chunk.ModeSet, addr chunk.Address) (err error) {
+func (m *MapChunkStore) Set(ctx context.Context, mode chunk.ModeSet, addrs ...chunk.Address) (err error) {
 	return nil
 }
 

storage/localstore/localstore_test.go

@@ -204,6 +204,33 @@ func chunkAddresses(chunks []chunk.Chunk) []chunk.Address {
 	return addrs
 }
 
+// Standard test cases to validate multi chunk operations.
+var multiChunkTestCases = []struct {
+	name  string
+	count int
+}{
+	{
+		name:  "one",
+		count: 1,
+	},
+	{
+		name:  "two",
+		count: 2,
+	},
+	{
+		name:  "eight",
+		count: 8,
+	},
+	{
+		name:  "hundred",
+		count: 100,
+	},
+	{
+		name:  "thousand",
+		count: 1000,
+	},
+}
+
 // TestGenerateTestRandomChunk validates that
 // generateTestRandomChunk returns random data by comparing
 // two generated chunks.

storage/localstore/mode_put_test.go

@@ -318,32 +318,6 @@ func TestModePut_sameChunk(t *testing.T) {
 	}
 }
 
-var multiChunkTestCases = []struct {
-	name  string
-	count int
-}{
-	{
-		name:  "one",
-		count: 1,
-	},
-	{
-		name:  "two",
-		count: 2,
-	},
-	{
-		name:  "eight",
-		count: 8,
-	},
-	{
-		name:  "hundred",
-		count: 100,
-	},
-	{
-		name:  "thousand",
-		count: 1000,
-	},
-}
-
 // TestPutDuplicateChunks validates the expected behaviour for
 // passing duplicate chunks to the Put method.
 func TestPutDuplicateChunks(t *testing.T) {