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swarm: remove unused/dead code (#18351)

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This commit is contained in:
Anton Evangelatov 2018-12-23 17:31:32 +01:00 committed by GitHub
parent 335760bf06
commit 9e9fc87e70
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
25 changed files with 19 additions and 400 deletions
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4
cmd/swarm/flags.go
View File

@ -164,10 +164,6 @@ var (
Name: "topic",
Usage: "User-defined topic this feed is tracking, hex encoded. Limited to 64 hexadecimal characters",
}
SwarmFeedDataOnCreateFlag = cli.StringFlag{
Name: "data",
Usage: "Initializes the feed with the given hex-encoded data. Data must be prefixed by 0x",
}
SwarmFeedManifestFlag = cli.StringFlag{
Name: "manifest",
Usage: "Refers to the feed through a manifest",

58
swarm/api/api.go
View File

@ -50,10 +50,6 @@ import (
opentracing "github.com/opentracing/opentracing-go"
)
var (
ErrNotFound = errors.New("not found")
)
var (
apiResolveCount = metrics.NewRegisteredCounter("api.resolve.count", nil)
apiResolveFail = metrics.NewRegisteredCounter("api.resolve.fail", nil)
@ -136,13 +132,6 @@ func MultiResolverOptionWithResolver(r ResolveValidator, tld string) MultiResolv
}
}
// MultiResolverOptionWithNameHash is unused at the time of this writing
func MultiResolverOptionWithNameHash(nameHash func(string) common.Hash) MultiResolverOption {
return func(m *MultiResolver) {
m.nameHash = nameHash
}
}
// NewMultiResolver creates a new instance of MultiResolver.
func NewMultiResolver(opts ...MultiResolverOption) (m *MultiResolver) {
m = &MultiResolver{
@ -173,40 +162,6 @@ func (m *MultiResolver) Resolve(addr string) (h common.Hash, err error) {
return
}
// ValidateOwner checks the ENS to validate that the owner of the given domain is the given eth address
func (m *MultiResolver) ValidateOwner(name string, address common.Address) (bool, error) {
rs, err := m.getResolveValidator(name)
if err != nil {
return false, err
}
var addr common.Address
for _, r := range rs {
addr, err = r.Owner(m.nameHash(name))
// we hide the error if it is not for the last resolver we check
if err == nil {
return addr == address, nil
}
}
return false, err
}
// HeaderByNumber uses the validator of the given domainname and retrieves the header for the given block number
func (m *MultiResolver) HeaderByNumber(ctx context.Context, name string, blockNr *big.Int) (*types.Header, error) {
rs, err := m.getResolveValidator(name)
if err != nil {
return nil, err
}
for _, r := range rs {
var header *types.Header
header, err = r.HeaderByNumber(ctx, blockNr)
// we hide the error if it is not for the last resolver we check
if err == nil {
return header, nil
}
}
return nil, err
}
// getResolveValidator uses the hostname to retrieve the resolver associated with the top level domain
func (m *MultiResolver) getResolveValidator(name string) ([]ResolveValidator, error) {
rs := m.resolvers[""]
@ -224,11 +179,6 @@ func (m *MultiResolver) getResolveValidator(name string) ([]ResolveValidator, er
return rs, nil
}
// SetNameHash sets the hasher function that hashes the domain into a name hash that ENS uses
func (m *MultiResolver) SetNameHash(nameHash func(string) common.Hash) {
m.nameHash = nameHash
}
/*
API implements webserver/file system related content storage and retrieval
on top of the FileStore
@ -265,9 +215,6 @@ func (a *API) Store(ctx context.Context, data io.Reader, size int64, toEncrypt b
return a.fileStore.Store(ctx, data, size, toEncrypt)
}
// ErrResolve is returned when an URI cannot be resolved from ENS.
type ErrResolve error
// Resolve a name into a content-addressed hash
// where address could be an ENS name, or a content addressed hash
func (a *API) Resolve(ctx context.Context, address string) (storage.Address, error) {
@ -980,11 +927,6 @@ func (a *API) FeedsUpdate(ctx context.Context, request *feed.Request) (storage.A
return a.feed.Update(ctx, request)
}
// FeedsHashSize returned the size of the digest produced by Swarm feeds' hashing function
func (a *API) FeedsHashSize() int {
return a.feed.HashSize
}
// ErrCannotLoadFeedManifest is returned when looking up a feeds manifest fails
var ErrCannotLoadFeedManifest = errors.New("Cannot load feed manifest")

5
swarm/api/client/client.go
View File

@ -45,11 +45,6 @@ import (
"github.com/pborman/uuid"
)
var (
DefaultGateway = "http://localhost:8500"
DefaultClient = NewClient(DefaultGateway)
)
var (
ErrUnauthorized = errors.New("unauthorized")
)

20
swarm/api/storage.go
View File

@ -83,23 +83,3 @@ func (s *Storage) Get(ctx context.Context, bzzpath string) (*Response, error) {
}
return &Response{mimeType, status, expsize, string(body[:size])}, err
}
// Modify(rootHash, basePath, contentHash, contentType) takes th e manifest trie rooted in rootHash,
// and merge on to it. creating an entry w conentType (mime)
//
// DEPRECATED: Use the HTTP API instead
func (s *Storage) Modify(ctx context.Context, rootHash, path, contentHash, contentType string) (newRootHash string, err error) {
uri, err := Parse("bzz:/" + rootHash)
if err != nil {
return "", err
}
addr, err := s.api.Resolve(ctx, uri.Addr)
if err != nil {
return "", err
}
addr, err = s.api.Modify(ctx, addr, path, contentHash, contentType)
if err != nil {
return "", err
}
return addr.Hex(), nil
}

12
swarm/api/testapi.go
View File

@ -29,18 +29,6 @@ func NewControl(api *API, hive *network.Hive) *Control {
return &Control{api, hive}
}
//func (self *Control) BlockNetworkRead(on bool) {
// self.hive.BlockNetworkRead(on)
//}
//
//func (self *Control) SyncEnabled(on bool) {
// self.hive.SyncEnabled(on)
//}
//
//func (self *Control) SwapEnabled(on bool) {
// self.hive.SwapEnabled(on)
//}
//
func (c *Control) Hive() string {
return c.hive.String()
}

2
swarm/api/uri_test.go
View File

@ -33,8 +33,6 @@ func TestParseURI(t *testing.T) {
expectImmutable bool
expectList bool
expectHash bool
expectDeprecatedRaw bool
expectDeprecatedImmutable bool
expectValidKey bool
expectAddr storage.Address
}

4
swarm/network/bitvector/bitvector.go
View File

@ -60,7 +60,3 @@ func (bv *BitVector) Set(i int, v bool) {
func (bv *BitVector) Bytes() []byte {
return bv.b
}
func (bv *BitVector) Length() int {
return bv.len
}

7
swarm/network/protocol.go
View File

@ -35,8 +35,6 @@ import (
const (
DefaultNetworkID = 3
// ProtocolMaxMsgSize maximum allowed message size
ProtocolMaxMsgSize = 10 * 1024 * 1024
// timeout for waiting
bzzHandshakeTimeout = 3000 * time.Millisecond
)
@ -250,11 +248,6 @@ func NewBzzPeer(p *protocols.Peer) *BzzPeer {
return &BzzPeer{Peer: p, BzzAddr: NewAddr(p.Node())}
}
// LastActive returns the time the peer was last active
func (p *BzzPeer) LastActive() time.Time {
return p.lastActive
}
// ID returns the peer's underlay node identifier.
func (p *BzzPeer) ID() enode.ID {
// This is here to resolve a method tie: both protocols.Peer and BzzAddr are embedded

25
swarm/network/protocol_test.go
View File

@ -20,7 +20,6 @@ import (
"flag"
"fmt"
"os"
"sync"
"testing"
"github.com/ethereum/go-ethereum/log"
@ -44,31 +43,7 @@ func init() {
log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(*loglevel), log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
}
type testStore struct {
sync.Mutex
values map[string][]byte
}
func (t *testStore) Load(key string) ([]byte, error) {
t.Lock()
defer t.Unlock()
v, ok := t.values[key]
if !ok {
return nil, fmt.Errorf("key not found: %s", key)
}
return v, nil
}
func (t *testStore) Save(key string, v []byte) error {
t.Lock()
defer t.Unlock()
t.values[key] = v
return nil
}
func HandshakeMsgExchange(lhs, rhs *HandshakeMsg, id enode.ID) []p2ptest.Exchange {
return []p2ptest.Exchange{
{
Expects: []p2ptest.Expect{

3
swarm/network/stream/intervals/store_test.go
View File

@ -17,14 +17,11 @@
package intervals
import (
"errors"
"testing"
"github.com/ethereum/go-ethereum/swarm/state"
)
var ErrNotFound = errors.New("not found")
// TestInmemoryStore tests basic functionality of InmemoryStore.
func TestInmemoryStore(t *testing.T) {
testStore(t, state.NewInmemoryStore())

8
swarm/network/stream/stream.go
View File

@ -388,14 +388,6 @@ func (r *Registry) Quit(peerId enode.ID, s Stream) error {
return peer.Send(context.TODO(), msg)
}
func (r *Registry) NodeInfo() interface{} {
return nil
}
func (r *Registry) PeerInfo(id enode.ID) interface{} {
return nil
}
func (r *Registry) Close() error {
return r.intervalsStore.Close()
}

50
swarm/network/stream/syncer.go
View File

@ -127,17 +127,7 @@ func (s *SwarmSyncerServer) SetNextBatch(from, to uint64) ([]byte, uint64, uint6
// SwarmSyncerClient
type SwarmSyncerClient struct {
sessionAt uint64
nextC chan struct{}
sessionRoot storage.Address
sessionReader storage.LazySectionReader
retrieveC chan *storage.Chunk
storeC chan *storage.Chunk
store storage.SyncChunkStore
// chunker storage.Chunker
currentRoot storage.Address
requestFunc func(chunk *storage.Chunk)
end, start uint64
peer *Peer
stream Stream
}
@ -209,46 +199,6 @@ func (s *SwarmSyncerClient) BatchDone(stream Stream, from uint64, hashes []byte,
return nil
}
func (s *SwarmSyncerClient) TakeoverProof(stream Stream, from uint64, hashes []byte, root storage.Address) (*TakeoverProof, error) {
// for provable syncer currentRoot is non-zero length
// TODO: reenable this with putter/getter
// if s.chunker != nil {
// if from > s.sessionAt { // for live syncing currentRoot is always updated
// //expRoot, err := s.chunker.Append(s.currentRoot, bytes.NewReader(hashes), s.retrieveC, s.storeC)
// expRoot, _, err := s.chunker.Append(s.currentRoot, bytes.NewReader(hashes), s.retrieveC)
// if err != nil {
// return nil, err
// }
// if !bytes.Equal(root, expRoot) {
// return nil, fmt.Errorf("HandoverProof mismatch")
// }
// s.currentRoot = root
// } else {
// expHashes := make([]byte, len(hashes))
// _, err := s.sessionReader.ReadAt(expHashes, int64(s.end*HashSize))
// if err != nil && err != io.EOF {
// return nil, err
// }
// if !bytes.Equal(expHashes, hashes) {
// return nil, errors.New("invalid proof")
// }
// }
// return nil, nil
// }
s.end += uint64(len(hashes)) / HashSize
takeover := &Takeover{
Stream: stream,
Start: s.start,
End: s.end,
Root: root,
}
// serialise and sign
return &TakeoverProof{
Takeover: takeover,
Sig: nil,
}, nil
}
func (s *SwarmSyncerClient) Close() {}
// base for parsing and formating sync bin key

4
swarm/pot/address.go
View File

@ -41,10 +41,6 @@ func NewAddressFromBytes(b []byte) Address {
return Address(h)
}
func (a Address) IsZero() bool {
return a.Bin() == zerosBin
}
func (a Address) String() string {
return fmt.Sprintf("%x", a[:])
}

6
swarm/pot/pot.go
View File

@ -477,7 +477,7 @@ func (t *Pot) each(f func(Val, int) bool) bool {
return f(t.pin, t.po)
}
// EachFrom called with (f, start) is a synchronous iterator over the elements of a Pot
// eachFrom called with (f, start) is a synchronous iterator over the elements of a Pot
// within the inclusive range starting from proximity order start
// the function argument is passed the value and the proximity order wrt the root pin
// it does NOT include the pinned item of the root
@ -485,10 +485,6 @@ func (t *Pot) each(f func(Val, int) bool) bool {
// proximity > pinnedness
// the iteration ends if the function return false or there are no more elements
// end of a po range can be implemented since po is passed to the function
func (t *Pot) EachFrom(f func(Val, int) bool, po int) bool {
return t.eachFrom(f, po)
}
func (t *Pot) eachFrom(f func(Val, int) bool, po int) bool {
var next bool
_, lim := t.getPos(po)

28
swarm/state.go
View File

@ -1,28 +0,0 @@
// 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 swarm
type Voidstore struct {
}
func (self Voidstore) Load(string) ([]byte, error) {
return nil, nil
}
func (self Voidstore) Save(string, []byte) error {
return nil
}

3
swarm/state/dbstore.go
View File

@ -28,9 +28,6 @@ import (
// ErrNotFound is returned when no results are returned from the database
var ErrNotFound = errors.New("ErrorNotFound")
// ErrInvalidArgument is returned when the argument type does not match the expected type
var ErrInvalidArgument = errors.New("ErrorInvalidArgument")
// Store defines methods required to get, set, delete values for different keys
// and close the underlying resources.
type Store interface {

17
swarm/storage/chunker.go
View File

@ -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)

10
swarm/storage/database.go
View File

@ -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)

8
swarm/storage/error.go
View File

@ -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")
)

20
swarm/storage/ldbstore.go
View File

@ -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

10
swarm/storage/ldbstore_test.go
View File

@ -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

7
swarm/storage/mock/mock.go
View File

@ -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 {

5
swarm/storage/pyramid.go
View File

@ -71,11 +71,6 @@ const (
splitTimeout = time.Minute * 5
)
const (
DataChunk = 0
TreeChunk = 1
)
type PyramidSplitterParams struct {
SplitterParams
getter Getter

49
swarm/storage/types.go
View File

@ -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
}

26
swarm/swarm.go
View File

@ -74,8 +74,6 @@ type Swarm struct {
bzz *network.Bzz // the logistic manager
backend chequebook.Backend // simple blockchain Backend
privateKey *ecdsa.PrivateKey
corsString string
swapEnabled bool
netStore *storage.NetStore
sfs *fuse.SwarmFS // need this to cleanup all the active mounts on node exit
ps *pss.Pss
@ -86,18 +84,6 @@ type Swarm struct {
tracerClose io.Closer
}
type SwarmAPI struct {
Api *api.API
Backend chequebook.Backend
}
func (self *Swarm) API() *SwarmAPI {
return &SwarmAPI{
Api: self.api,
Backend: self.backend,
}
}
// creates a new swarm service instance
// implements node.Service
// If mockStore is not nil, it will be used as the storage for chunk data.
@ -479,14 +465,6 @@ func (self *Swarm) Protocols() (protos []p2p.Protocol) {
return
}
func (self *Swarm) RegisterPssProtocol(spec *protocols.Spec, targetprotocol *p2p.Protocol, options *pss.ProtocolParams) (*pss.Protocol, error) {
if !pss.IsActiveProtocol {
return nil, fmt.Errorf("Pss protocols not available (built with !nopssprotocol tag)")
}
topic := pss.ProtocolTopic(spec)
return pss.RegisterProtocol(self.ps, &topic, spec, targetprotocol, options)
}
// implements node.Service
// APIs returns the RPC API descriptors the Swarm implementation offers
func (self *Swarm) APIs() []rpc.API {
@ -535,10 +513,6 @@ func (self *Swarm) APIs() []rpc.API {
return apis
}
func (self *Swarm) Api() *api.API {
return self.api
}
// SetChequebook ensures that the local checquebook is set up on chain.
func (self *Swarm) SetChequebook(ctx context.Context) error {
err := self.config.Swap.SetChequebook(ctx, self.backend, self.config.Path)