As a side-effect of using amount_msat in gossipd/routing.c, we explicitly handle overflows and don't need to pre-prune ridiculous-fee channels. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Not very useful by itself, but when combined with decodemsg it can tell us quite a bit. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>