Russia walked this backed:
https://www.reuters.com/business/energy/russia-will-not-demand-immediate-switch-gas-payments-roubles-kremlin-2022-03-30/Their messaging is confusing and their economy is too fragile to further restrict themselves from global commerce, so you can expect something like this to not go through. It sounded like an empty threat from the start and a mere desperate attempt to avoid sanctions. Appears Russia still has India and China open to them for unrestricted trading, but they cannot reasonable expect to cut off trading from the rest of Europe and keep their economy afloat.
Yeah, I don't expect them to just shut it off. This is more posturing but they might eventually go on with it in the future. After all this means they'd be getting Euros in exchange.