Function rest_light_client_service_get_light_client_payload_proof 

async fn rest_light_client_service_get_light_client_payload_proof<S>(
    __arg0: State<Arc<S>>,
    headers: HeaderMap,
    __arg2: Query<GetLightClientPayloadProofRequest>,
) -> Result<Json<LightClientPayloadProofResponse>, RestError>
where
    S: LightClientService + Send + Sync + 'static,

GetLightClientPayloadProof - JSON endpoint.

GET /v2/light-client/payload