remove unused and misleading cachebs store.

lib/cachebs/cachebs.go

@@ -1,89 +0,0 @@
-package cachebs
-
-import (
-	"context"
-
-	lru "github.com/hashicorp/golang-lru"
-	block "github.com/ipfs/go-block-format"
-	"github.com/ipfs/go-cid"
-	logging "github.com/ipfs/go-log/v2"
-
-	bstore "github.com/filecoin-project/lotus/lib/blockstore"
-)
-
-//nolint:deadcode,varcheck
-var log = logging.Logger("cachebs")
-
-type CacheBS struct {
-	cache *lru.ARCCache
-	bs    bstore.Blockstore
-}
-
-func NewBufferedBstore(base bstore.Blockstore, size int) bstore.Blockstore {
-	c, err := lru.NewARC(size)
-	if err != nil {
-		panic(err)
-	}
-	// Wrap this in an ID blockstore to avoid caching blocks inlined into
-	// CIDs.
-	return bstore.WrapIDStore(&CacheBS{
-		cache: c,
-		bs:    base,
-	})
-}
-
-var _ (bstore.Blockstore) = &CacheBS{}
-
-func (bs *CacheBS) AllKeysChan(ctx context.Context) (<-chan cid.Cid, error) {
-	return bs.bs.AllKeysChan(ctx)
-}
-
-func (bs *CacheBS) DeleteBlock(c cid.Cid) error {
-	bs.cache.Remove(c)
-
-	return bs.bs.DeleteBlock(c)
-}
-
-func (bs *CacheBS) Get(c cid.Cid) (block.Block, error) {
-	v, ok := bs.cache.Get(c)
-	if ok {
-		return v.(block.Block), nil
-	}
-
-	out, err := bs.bs.Get(c)
-	if err != nil {
-		return nil, err
-	}
-
-	bs.cache.Add(c, out)
-	return out, nil
-}
-
-func (bs *CacheBS) GetSize(c cid.Cid) (int, error) {
-	return bs.bs.GetSize(c)
-}
-
-func (bs *CacheBS) Put(blk block.Block) error {
-	bs.cache.Add(blk.Cid(), blk)
-
-	return bs.bs.Put(blk)
-}
-
-func (bs *CacheBS) Has(c cid.Cid) (bool, error) {
-	if bs.cache.Contains(c) {
-		return true, nil
-	}
-
-	return bs.bs.Has(c)
-}
-
-func (bs *CacheBS) HashOnRead(hor bool) {
-	bs.bs.HashOnRead(hor)
-}
-
-func (bs *CacheBS) PutMany(blks []block.Block) error {
-	for _, blk := range blks {
-		bs.cache.Add(blk.Cid(), blk)
-	}
-	return bs.bs.PutMany(blks)
-}