Function cast_send 

pub(crate) async fn cast_send<N: Network, P: Provider<N>>(
    provider: P,
    tx: N::TransactionRequest,
    cast_async: bool,
    sync: bool,
    confs: u64,
    timeout: u64,
) -> Result<()>
where
    N::TransactionRequest: FoundryTransactionBuilder<N>,
    N::ReceiptResponse: UIfmt + UIfmtReceiptExt,