Module Daml.Finance.Interface.Data.Reference.Time

This module defines an interface for BusinessTime rules, which are contracts to control and keep track of business time.

Interfaces

interface Time

An interface to manage and control business time. Controlled time rules (i.e. clocks) are managed by entities that have control certain business time events. These can be trading-open / -close on an exchange, start-of-day / end-of-day events of a trading desk, or just a daily clock tick to signal the passing of aticking. Intervals in which the clock "ticks" don’t have to be regular, and can e.g. consider business days only.

  • Choice Advance

    Advance time to its next state.

    Field Type Description
    eventId Id Event identifier.
    eventDescription Text Event description.

  • Choice Archive

    (no fields)

  • Choice GetView

    Retrieves the interface view.

    Field Type Description
    viewer Party The party retrieving the view.

  • Choice Rewind

    Rewind time to its previous state.

    Field Type Description
    eventId Id Event identifier.
    eventDescription Text Event description.

  • Method advance : ContractId Time -> Advance -> Update (ContractId Time, ContractId Event)

    Implementation of the Advance choice.

  • Method asTimeObservable : I

  • Method rewind : ContractId Time -> Rewind -> Update (ContractId Time, ContractId Event)

    Implementation of the Rewind choice.

Typeclasses

class Implementation t => HasImplementation t where

Data Types

type I

= Time

Type synonym for Time.

type Implementation t

= (HasToInterface t Time, Implementation t)

Type constraint for requiring templates to implement Time.

type V

= View

Type synonym for View.

instance HasFromAnyView Time V

data View

View for Time.

View

Field Type Description
providers Parties Parties controlling time.
id Id Textual identifier for the time rule.

instance Eq View

instance Show View