reflector.go/peer/store.go
2019-11-13 19:11:35 -05:00

53 lines
1.3 KiB
Go

package peer
import (
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
)
// Store is a blob store that gets blobs from a peer.
// It satisfies the store.BlobStore interface but cannot put or delete blobs.
type Store struct {
client *Client
connErr error
}
// NewStore makes a new peer store.
func NewStore(clientAddress string) *Store {
c := &Client{}
err := c.Connect(clientAddress)
return &Store{client: c, connErr: err}
}
// Has asks the peer if they have a hash
func (p *Store) Has(hash string) (bool, error) {
if p.connErr != nil {
return false, errors.Prefix("connection error", p.connErr)
}
return p.client.HasBlob(hash)
}
// Get downloads the blob from the peer
func (p *Store) Get(hash string) (stream.Blob, error) {
if p.connErr != nil {
return nil, errors.Prefix("connection error", p.connErr)
}
return p.client.GetBlob(hash)
}
// Put is not supported
func (p *Store) Put(hash string, blob stream.Blob) error {
panic("PeerStore cannot put or delete blobs")
}
// PutSD is not supported
func (p *Store) PutSD(hash string, blob stream.Blob) error {
panic("PeerStore cannot put or delete blobs")
}
// Delete is not supported
func (p *Store) Delete(hash string) error {
panic("PeerStore cannot put or delete blobs")
}