Function pallet_circuit::retrieve_gateway_pointers

pub fn retrieve_gateway_pointers(
    gateway_id: [u8; 4]
) -> Result<Vec<GatewayPointer, Global>, &'static str>

Retrieves all available gateways for a given ChainId. Currently returns a vector with a single hardcoded result. Eventually this will search all known gateways on pallet-xdns.