Could be the source of dark energy/matter is emitted from black holes.. designated matter falls in to it and UN-designated matter comes out.. closing the "loop"..
Could also be some structure "in" the dark energy/matter "fields" that we cannot presently "see" (like a black hole) that does the reverse.. Meaning making/creating(transforming) dark energy/matter from UN-designated energy/matter into designated..
Thank you for sharing your views, dear hosepipe!
It would seem that anything emitting from a black hole would have to somehow be exempt from the law of gravity, as presently understood.... Problem is, gravity is not all that well understood!!! To this day!!!
Two ways to go in solving the gravity problem, it seems: the quantum gravity approach (with "gravitons"), or the conception of gravity as an interdimensional phenomenon....
I doubt your speculation would "work" on the basis of the quantum gravity scenario. But jeepers, my dear friend, it might well work if the latter scenario proves to be the case....
Thank you ever so much for writing!