Function check_tx_status_once 

pub async fn check_tx_status_once<N: Network>(
    provider: &RootProvider<N>,
    hash: TxHash,
    confirmations: u64,
) -> Option<TxStatus<N::ReceiptResponse>>

Checks the status of a txhash once without waiting. Returns None while the transaction is still known to the node but has no receipt with the requested confirmations.