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events.go
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events.go
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package storage
import (
"github.com/onflow/flow-go/model/flow"
)
// Events represents persistent storage for events.
type Events interface {
// Store will store events for the given block ID
Store(blockID flow.Identifier, blockEvents []flow.EventsList) error
// BatchStore will store events for the given block ID in a given batch
BatchStore(blockID flow.Identifier, events []flow.EventsList, batch BatchStorage) error
// ByBlockID returns the events for the given block ID
ByBlockID(blockID flow.Identifier) ([]flow.Event, error)
// ByBlockIDTransactionID returns the events for the given block ID and transaction ID
ByBlockIDTransactionID(blockID flow.Identifier, transactionID flow.Identifier) ([]flow.Event, error)
// ByBlockIDTransactionIndex returns the events for the transaction at given index in a given block
ByBlockIDTransactionIndex(blockID flow.Identifier, txIndex uint32) ([]flow.Event, error)
// ByBlockIDEventType returns the events for the given block ID and event type
ByBlockIDEventType(blockID flow.Identifier, eventType flow.EventType) ([]flow.Event, error)
// BatchRemoveByBlockID removes events keyed by a blockID in provided batch
// No errors are expected during normal operation, even if no entries are matched.
// If Badger unexpectedly fails to process the request, the error is wrapped in a generic error and returned.
BatchRemoveByBlockID(blockID flow.Identifier, batch BatchStorage) error
}
type ServiceEvents interface {
// BatchStore stores service events keyed by a blockID in provided batch
// No errors are expected during normal operation, even if no entries are matched.
// If Badger unexpectedly fails to process the request, the error is wrapped in a generic error and returned.
BatchStore(blockID flow.Identifier, events []flow.Event, batch BatchStorage) error
// ByBlockID returns the events for the given block ID
ByBlockID(blockID flow.Identifier) ([]flow.Event, error)
// BatchRemoveByBlockID removes service events keyed by a blockID in provided batch
// No errors are expected during normal operation, even if no entries are matched.
// If Badger unexpectedly fails to process the request, the error is wrapped in a generic error and returned.
BatchRemoveByBlockID(blockID flow.Identifier, batch BatchStorage) error
}