pub fn pass_along_route<'a, 'b, 'c>(
    origin_node: &Node<'a, 'b, 'c>,
    expected_route: &[&[&Node<'a, 'b, 'c>]],
    recv_value: u64,
    our_payment_hash: PaymentHash,
    our_payment_secret: PaymentSecret,
)