* Prevent creation of on-chain invoices below the dust limit
Fixes#3071.
* Apply suggestions from code review
Co-authored-by: Nicolas Dorier <nicolas.dorier@gmail.com>
* small fix
* Fix selenium test
0.000000012 BTC (whether rounded or not) is below the dust threshold, causing this test to fail.
* fix CanCreateTopupInvoices test
Don't apply dust threshold conditional for topup invoices.
* Fix test, and minor changes
Co-authored-by: Nicolas Dorier <nicolas.dorier@gmail.com>