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authorAnton Evangelatov <anton.evangelatov@gmail.com>2018-12-24 00:31:32 +0800
committerGitHub <noreply@github.com>2018-12-24 00:31:32 +0800
commit9e9fc87e70accf2b81be8772ab2ab0c914e95666 (patch)
tree410ccdefb083b08796a14ac03653a5319e9895d7 /swarm/storage
parent335760bf0674ee553f3ca65afd6f29b6557d1b55 (diff)
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swarm: remove unused/dead code (#18351)
Diffstat (limited to 'swarm/storage')
-rw-r--r--swarm/storage/chunker.go17
-rw-r--r--swarm/storage/database.go10
-rw-r--r--swarm/storage/error.go12
-rw-r--r--swarm/storage/ldbstore.go20
-rw-r--r--swarm/storage/ldbstore_test.go10
-rw-r--r--swarm/storage/mock/mock.go7
-rw-r--r--swarm/storage/pyramid.go5
-rw-r--r--swarm/storage/types.go49
8 files changed, 6 insertions, 124 deletions
diff --git a/swarm/storage/chunker.go b/swarm/storage/chunker.go
index cbe65372a..a8bfe2d1c 100644
--- a/swarm/storage/chunker.go
+++ b/swarm/storage/chunker.go
@@ -65,10 +65,6 @@ If all is well it is possible to implement this by simply composing readers so t
The hashing itself does use extra copies and allocation though, since it does need it.
*/
-var (
- errAppendOppNotSuported = errors.New("Append operation not supported")
-)
-
type ChunkerParams struct {
chunkSize int64
hashSize int64
@@ -99,7 +95,6 @@ type TreeChunker struct {
ctx context.Context
branches int64
- hashFunc SwarmHasher
dataSize int64
data io.Reader
// calculated
@@ -365,10 +360,6 @@ func (tc *TreeChunker) runWorker(ctx context.Context) {
}()
}
-func (tc *TreeChunker) Append() (Address, func(), error) {
- return nil, nil, errAppendOppNotSuported
-}
-
// LazyChunkReader implements LazySectionReader
type LazyChunkReader struct {
ctx context.Context
@@ -411,7 +402,6 @@ func (r *LazyChunkReader) Size(ctx context.Context, quitC chan bool) (n int64, e
log.Debug("lazychunkreader.size", "addr", r.addr)
if r.chunkData == nil {
-
startTime := time.Now()
chunkData, err := r.getter.Get(cctx, Reference(r.addr))
if err != nil {
@@ -420,13 +410,8 @@ func (r *LazyChunkReader) Size(ctx context.Context, quitC chan bool) (n int64, e
}
metrics.GetOrRegisterResettingTimer("lcr.getter.get", nil).UpdateSince(startTime)
r.chunkData = chunkData
- s := r.chunkData.Size()
- log.Debug("lazychunkreader.size", "key", r.addr, "size", s)
- if s < 0 {
- return 0, errors.New("corrupt size")
- }
- return int64(s), nil
}
+
s := r.chunkData.Size()
log.Debug("lazychunkreader.size", "key", r.addr, "size", s)
diff --git a/swarm/storage/database.go b/swarm/storage/database.go
index e25fce31f..12367b905 100644
--- a/swarm/storage/database.go
+++ b/swarm/storage/database.go
@@ -64,16 +64,6 @@ func (db *LDBDatabase) Delete(key []byte) error {
return db.db.Delete(key, nil)
}
-func (db *LDBDatabase) LastKnownTD() []byte {
- data, _ := db.Get([]byte("LTD"))
-
- if len(data) == 0 {
- data = []byte{0x0}
- }
-
- return data
-}
-
func (db *LDBDatabase) NewIterator() iterator.Iterator {
metrics.GetOrRegisterCounter("ldbdatabase.newiterator", nil).Inc(1)
diff --git a/swarm/storage/error.go b/swarm/storage/error.go
index 44261c084..a9d0616fa 100644
--- a/swarm/storage/error.go
+++ b/swarm/storage/error.go
@@ -23,23 +23,15 @@ import (
const (
ErrInit = iota
ErrNotFound
- ErrIO
ErrUnauthorized
ErrInvalidValue
ErrDataOverflow
ErrNothingToReturn
- ErrCorruptData
ErrInvalidSignature
ErrNotSynced
- ErrPeriodDepth
- ErrCnt
)
var (
- ErrChunkNotFound = errors.New("chunk not found")
- ErrFetching = errors.New("chunk still fetching")
- ErrChunkInvalid = errors.New("invalid chunk")
- ErrChunkForward = errors.New("cannot forward")
- ErrChunkUnavailable = errors.New("chunk unavailable")
- ErrChunkTimeout = errors.New("timeout")
+ ErrChunkNotFound = errors.New("chunk not found")
+ ErrChunkInvalid = errors.New("invalid chunk")
)
diff --git a/swarm/storage/ldbstore.go b/swarm/storage/ldbstore.go
index bd4f6b916..635d33429 100644
--- a/swarm/storage/ldbstore.go
+++ b/swarm/storage/ldbstore.go
@@ -248,10 +248,6 @@ func U64ToBytes(val uint64) []byte {
return data
}
-func (s *LDBStore) updateIndexAccess(index *dpaDBIndex) {
- index.Access = s.accessCnt
-}
-
func getIndexKey(hash Address) []byte {
hashSize := len(hash)
key := make([]byte, hashSize+1)
@@ -777,18 +773,6 @@ func (s *LDBStore) BinIndex(po uint8) uint64 {
return s.bucketCnt[po]
}
-func (s *LDBStore) Size() uint64 {
- s.lock.RLock()
- defer s.lock.RUnlock()
- return s.entryCnt
-}
-
-func (s *LDBStore) CurrentStorageIndex() uint64 {
- s.lock.RLock()
- defer s.lock.RUnlock()
- return s.dataIdx
-}
-
// Put adds a chunk to the database, adding indices and incrementing global counters.
// If it already exists, it merely increments the access count of the existing entry.
// Is thread safe
@@ -810,11 +794,11 @@ func (s *LDBStore) Put(ctx context.Context, chunk Chunk) error {
batch := s.batch
log.Trace("ldbstore.put: s.db.Get", "key", chunk.Address(), "ikey", fmt.Sprintf("%x", ikey))
- idata, err := s.db.Get(ikey)
+ _, err := s.db.Get(ikey)
if err != nil {
s.doPut(chunk, &index, po)
}
- idata = encodeIndex(&index)
+ idata := encodeIndex(&index)
s.batch.Put(ikey, idata)
// add the access-chunkindex index for garbage collection
diff --git a/swarm/storage/ldbstore_test.go b/swarm/storage/ldbstore_test.go
index e8b9ae39b..1fe466f93 100644
--- a/swarm/storage/ldbstore_test.go
+++ b/swarm/storage/ldbstore_test.go
@@ -79,14 +79,6 @@ func testPoFunc(k Address) (ret uint8) {
return uint8(Proximity(basekey, k[:]))
}
-func (db *testDbStore) close() {
- db.Close()
- err := os.RemoveAll(db.dir)
- if err != nil {
- panic(err)
- }
-}
-
func testDbStoreRandom(n int, chunksize int64, mock bool, t *testing.T) {
db, cleanup, err := newTestDbStore(mock, true)
defer cleanup()
@@ -453,7 +445,7 @@ func TestLDBStoreAddRemove(t *testing.T) {
log.Info("ldbstore", "entrycnt", ldb.entryCnt, "accesscnt", ldb.accessCnt)
for i := 0; i < n; i++ {
- ret, err := ldb.Get(nil, chunks[i].Address())
+ ret, err := ldb.Get(context.TODO(), chunks[i].Address())
if i%2 == 0 {
// expect even chunks to be missing
diff --git a/swarm/storage/mock/mock.go b/swarm/storage/mock/mock.go
index 1fb71b70a..626ba3fe1 100644
--- a/swarm/storage/mock/mock.go
+++ b/swarm/storage/mock/mock.go
@@ -103,13 +103,6 @@ type Exporter interface {
Export(w io.Writer) (n int, err error)
}
-// ImportExporter is an interface for importing and exporting
-// mock store data to and from a tar archive.
-type ImportExporter interface {
- Importer
- Exporter
-}
-
// ExportedChunk is the structure that is saved in tar archive for
// each chunk as JSON-encoded bytes.
type ExportedChunk struct {
diff --git a/swarm/storage/pyramid.go b/swarm/storage/pyramid.go
index f74eef06b..e5bd7a76a 100644
--- a/swarm/storage/pyramid.go
+++ b/swarm/storage/pyramid.go
@@ -71,11 +71,6 @@ const (
splitTimeout = time.Minute * 5
)
-const (
- DataChunk = 0
- TreeChunk = 1
-)
-
type PyramidSplitterParams struct {
SplitterParams
getter Getter
diff --git a/swarm/storage/types.go b/swarm/storage/types.go
index 322d95c47..8bfb34815 100644
--- a/swarm/storage/types.go
+++ b/swarm/storage/types.go
@@ -23,7 +23,6 @@ import (
"crypto/rand"
"encoding/binary"
"fmt"
- "hash"
"io"
"github.com/ethereum/go-ethereum/common"
@@ -35,50 +34,10 @@ import (
const MaxPO = 16
const AddressLength = 32
-type Hasher func() hash.Hash
type SwarmHasher func() SwarmHash
-// Peer is the recorded as Source on the chunk
-// should probably not be here? but network should wrap chunk object
-type Peer interface{}
-
type Address []byte
-func (a Address) Size() uint {
- return uint(len(a))
-}
-
-func (a Address) isEqual(y Address) bool {
- return bytes.Equal(a, y)
-}
-
-func (a Address) bits(i, j uint) uint {
- ii := i >> 3
- jj := i & 7
- if ii >= a.Size() {
- return 0
- }
-
- if jj+j <= 8 {
- return uint((a[ii] >> jj) & ((1 << j) - 1))
- }
-
- res := uint(a[ii] >> jj)
- jj = 8 - jj
- j -= jj
- for j != 0 {
- ii++
- if j < 8 {
- res += uint(a[ii]&((1<<j)-1)) << jj
- return res
- }
- res += uint(a[ii]) << jj
- jj += 8
- j -= 8
- }
- return res
-}
-
// Proximity(x, y) returns the proximity order of the MSB distance between x and y
//
// The distance metric MSB(x, y) of two equal length byte sequences x an y is the
@@ -112,10 +71,6 @@ func Proximity(one, other []byte) (ret int) {
return MaxPO
}
-func IsZeroAddr(addr Address) bool {
- return len(addr) == 0 || bytes.Equal(addr, ZeroAddr)
-}
-
var ZeroAddr = Address(common.Hash{}.Bytes())
func MakeHashFunc(hash string) SwarmHasher {
@@ -304,10 +259,6 @@ func (c ChunkData) Size() uint64 {
return binary.LittleEndian.Uint64(c[:8])
}
-func (c ChunkData) Data() []byte {
- return c[8:]
-}
-
type ChunkValidator interface {
Validate(chunk Chunk) bool
}