A configurable settlement interval for the maker causes friction when implementing auto-rollover, because the settlement interval is not known to the taker.
The settlement interval should not be configurable, thus the configurable settlement interval is removed on the maker side.
The cfd actors and oracle actor use a global constant to decide the settlement interval and oracle even lookahead.
Not pulling the constant into the actors is a conscious decision, it allows us to set this to a different value in the actor tests.
The fact that we use the same constant for cfd actor and oracle actor is an implementation detail.
Daniel Karzel
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