Function rest_availability_service_get_transaction_proof 

async fn rest_availability_service_get_transaction_proof<S>(
    __arg0: State<Arc<S>>,
    headers: HeaderMap,
    __arg2: Query<GetTransactionProofRequest>,
) -> Result<Json<TransactionWithProofResponse>, RestError>
where
    S: AvailabilityService + Send + Sync + 'static,

GetTransactionProof - JSON endpoint.

GET /v2/availability/transaction-proof