2d3065ae8e
Includes changes from:
- https://github.com/ipfs/go-block-format/pull/37
- https://github.com/ipfs/go-libipfs/pull/58
(cherry picked from commit f572852d06)
111 lines
2.3 KiB
Go
111 lines
2.3 KiB
Go
package splitstore
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import (
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"context"
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"errors"
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"github.com/ipfs/go-cid"
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ipld "github.com/ipfs/go-ipld-format"
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blocks "github.com/ipfs/go-libipfs/blocks"
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bstore "github.com/filecoin-project/lotus/blockstore"
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)
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type exposedSplitStore struct {
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s *SplitStore
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}
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var _ bstore.Blockstore = (*exposedSplitStore)(nil)
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func (s *SplitStore) Expose() bstore.Blockstore {
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return &exposedSplitStore{s: s}
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}
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func (es *exposedSplitStore) DeleteBlock(_ context.Context, _ cid.Cid) error {
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return errors.New("DeleteBlock: operation not supported")
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}
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func (es *exposedSplitStore) DeleteMany(_ context.Context, _ []cid.Cid) error {
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return errors.New("DeleteMany: operation not supported")
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}
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func (es *exposedSplitStore) Has(ctx context.Context, c cid.Cid) (bool, error) {
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if isIdentiyCid(c) {
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return true, nil
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}
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has, err := es.s.hot.Has(ctx, c)
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if has || err != nil {
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return has, err
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}
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return es.s.cold.Has(ctx, c)
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}
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func (es *exposedSplitStore) Get(ctx context.Context, c cid.Cid) (blocks.Block, error) {
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if isIdentiyCid(c) {
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data, err := decodeIdentityCid(c)
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if err != nil {
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return nil, err
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}
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return blocks.NewBlockWithCid(data, c)
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}
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blk, err := es.s.hot.Get(ctx, c)
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if ipld.IsNotFound(err) {
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return es.s.cold.Get(ctx, c)
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}
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return blk, err
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}
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func (es *exposedSplitStore) GetSize(ctx context.Context, c cid.Cid) (int, error) {
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if isIdentiyCid(c) {
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data, err := decodeIdentityCid(c)
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if err != nil {
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return 0, err
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}
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return len(data), nil
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}
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size, err := es.s.hot.GetSize(ctx, c)
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if ipld.IsNotFound(err) {
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return es.s.cold.GetSize(ctx, c)
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}
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return size, err
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}
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func (es *exposedSplitStore) Put(ctx context.Context, blk blocks.Block) error {
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return es.s.Put(ctx, blk)
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}
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func (es *exposedSplitStore) PutMany(ctx context.Context, blks []blocks.Block) error {
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return es.s.PutMany(ctx, blks)
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}
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func (es *exposedSplitStore) AllKeysChan(ctx context.Context) (<-chan cid.Cid, error) {
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return es.s.AllKeysChan(ctx)
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}
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func (es *exposedSplitStore) HashOnRead(enabled bool) {}
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func (es *exposedSplitStore) View(ctx context.Context, c cid.Cid, f func([]byte) error) error {
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if isIdentiyCid(c) {
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data, err := decodeIdentityCid(c)
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if err != nil {
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return err
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}
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return f(data)
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}
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err := es.s.hot.View(ctx, c, f)
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if ipld.IsNotFound(err) {
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return es.s.cold.View(ctx, c, f)
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}
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return err
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}
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