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package retrievalstoremgr
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import (
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"github.com/filecoin-project/lotus/blockstore"
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)
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// RetrievalStore references a store for a retrieval deal.
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type RetrievalStore interface {
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IsIPFSRetrieval() bool
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Blockstore() blockstore.BasicBlockstore
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}
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// RetrievalStoreManager manages stores for retrieval deals, abstracting
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// the underlying storage mechanism.
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type RetrievalStoreManager interface {
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NewStore() (RetrievalStore, error)
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ReleaseStore(RetrievalStore) error
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}
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2021-07-07 08:40:59 +00:00
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// BlockstoreRetrievalStoreManager is a blockstore used for retrieval.
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type BlockstoreRetrievalStoreManager struct {
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bs blockstore.BasicBlockstore
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isIpfsRetrieval bool
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}
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var _ RetrievalStoreManager = &BlockstoreRetrievalStoreManager{}
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// NewBlockstoreRetrievalStoreManager returns a new blockstore based RetrievalStoreManager
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func NewBlockstoreRetrievalStoreManager(bs blockstore.BasicBlockstore, isIpfsRetrieval bool) RetrievalStoreManager {
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return &BlockstoreRetrievalStoreManager{
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bs: bs,
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isIpfsRetrieval: isIpfsRetrieval,
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}
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}
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// NewStore creates a new store (just uses underlying blockstore)
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func (brsm *BlockstoreRetrievalStoreManager) NewStore() (RetrievalStore, error) {
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return &blockstoreRetrievalStore{
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bs: brsm.bs,
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isIpfsRetrieval: brsm.isIpfsRetrieval,
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}, nil
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}
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// ReleaseStore for this implementation does nothing
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func (brsm *BlockstoreRetrievalStoreManager) ReleaseStore(RetrievalStore) error {
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return nil
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}
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type blockstoreRetrievalStore struct {
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bs blockstore.BasicBlockstore
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isIpfsRetrieval bool
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}
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func (brs *blockstoreRetrievalStore) Blockstore() blockstore.BasicBlockstore {
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return brs.bs
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}
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func (brs *blockstoreRetrievalStore) IsIPFSRetrieval() bool {
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return brs.isIpfsRetrieval
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}
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