Remove unimplemented funcitons

Signed-off-by: manish <manish.sethi@gmail.com>

core/committer/txvalidator/v14/validator_test.go

@@ -1546,14 +1546,6 @@ func (m *mockLedger) CancelSnapshotRequest(height uint64) error {
 	return nil
 }
 
-func (m *mockLedger) ListSnapshots() ([]string, error) {
-	return nil, nil
-}
-
-func (m *mockLedger) DeleteSnapshot(height uint64) error {
-	return nil
-}
-
 // mockQueryExecutor mock of the query executor,
 // needed to simulate inability to access state db, e.g.
 // the case where due to db failure it's not possible to

core/ledger/kvledger/snapshot_mgmt.go

@@ -77,17 +77,6 @@ func (l *kvLedger) PendingSnapshotRequests() ([]uint64, error) {
 	return l.snapshotMgr.snapshotRequestBookkeeper.list()
 }
 
-// ListSnapshots returns the information for available snapshots.
-func (l *kvLedger) ListSnapshots() ([]string, error) {
-	return nil, errors.Errorf("not implemented")
-}
-
-// DeleteSnapshot deletes the snapshot files except for the metadata file and
-// returns an error if no such a snapshot exists
-func (l *kvLedger) DeleteSnapshot(blockNumber uint64) error {
-	return errors.Errorf("not implemented")
-}
-
 // processSnapshotMgmtEvents handles each event in the events channel and performs synchronization acorss
 // block commits, snapshot generation, and snapshot request submission/cancellation.
 // It should be started in a separate goroutine when the ledger is created/opened.

core/ledger/ledger_interface.go

@@ -218,18 +218,6 @@ type PeerLedger interface {
 	CancelSnapshotRequest(height uint64) error
 	// PendingSnapshotRequests returns a list of heights for the pending (or under processing) snapshot requests.
 	PendingSnapshotRequests() ([]uint64, error)
-	// ListSnapshots returns the information for available snapshots.
-	// It returns a list of strings representing the following JSON object:
-	// type snapshotSignableMetadata struct {
-	//    ChannelName        string            `json:"channel_name"`
-	//    ChannelHeight      uint64            `json:"channel_height"`
-	//    LastBlockHashInHex string            `json:"last_block_hash"`
-	//    FilesAndHashes     map[string]string `json:"snapshot_files_raw_hashes"`
-	// }
-	ListSnapshots() ([]string, error)
-	// DeleteSnapshot deletes the snapshot files except the metadata file.
-	// It returns an error if no such a snapshot exists.
-	DeleteSnapshot(height uint64) error
 }
 
 // SimpleQueryExecutor encapsulates basic functions