CriticalError wraps the given error as a critical error.

IsCriticalError unwraps the inner error held by the critical error if the given error is a critical error.

IsSoftError unwraps the inner error held by the soft error if the given error is a soft error.

SoftError wraps the given error as a soft error.

ErrCritical is returned when a critical error stops the execution of a task.

ErrMessageNotFound is returned when a message was not found.

ErrNodeLoadTooHigh is returned when the load on the node is too high.

ErrNodeNotSynced is returned when the node is not synchronized.

ErrOperationAborted is returned when the operation was aborted e.g.

ErrSnapshotInfoNotFound is returned when the snapshot info is not found in the database.