pub fn confirm_transactions_at<'a, 'b, 'c, 'd>(
    node: &'a Node<'b, 'c, 'd>,
    txn: &[&Transaction],
    conf_height: u32,
) -> u64
Expand description

Mine the given transaction at the given height, mining blocks as required to build to that height

Returns the SCID a channel confirmed in the given transaction will have, assuming the funding output is the 1st output in the transaction.