add 1% chnnel reserve while keeping min value

if 1000 is always used it will almost always fail test reserve < dust_limit check

diff --git a/src/ln/channel.rs b/src/ln/channel.rs
index e2749ffffb94ba150c7a5c6947b136cef4281f35..d7729a1eca8eb6103c2f9648836a892b307a99aa 100644 (file)
--- a/src/ln/channel.rs
+++ b/src/ln/channel.rs
@@ -360,7 +360,8 @@ impl Channel {
 
        /// Guaranteed to return a value no larger than channel_value_satoshis
        fn get_our_channel_reserve_satoshis(channel_value_satoshis: u64) -> u64 {
-               cmp::min(channel_value_satoshis, 1000) //TODO
+               let (q, _) = channel_value_satoshis.overflowing_div(100);
+               cmp::min(channel_value_satoshis, cmp::max(q, 1000)) //TODO
        }
 
        fn derive_our_dust_limit_satoshis(at_open_background_feerate: u64) -> u64 {