Function check_feerate

tests/utils.py:678–685

(nodes, actual_feerate, expected_feerate)

def check_feerate(nodes, actual_feerate, expected_feerate):
    # Feerate can't be lower.
    assert actual_feerate > expected_feerate - 2
    if actual_feerate >= expected_feerate + 2:
        if any([did_short_sig(n) for n in nodes]):
            return
    # Use assert as it shows the actual values on failure
    assert actual_feerate < expected_feerate + 2