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Merge pull request #89 from TheBlueMatt/2018-07-route-fuzz-fix-1

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Fix fee addition overflow in get_route
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Matt Corallo 2018-07-25 18:44:41 -04:00 • committed by GitHub
commit fb4be8a163
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1 changed files with 3 additions and 2 deletions
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5
src/ln/router.rs
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@ -429,8 +429,9 @@ impl Router {
//TODO: Explore simply adding fee to hit htlc_minimum_msat
if $starting_fee_msat as u64 + final_value_msat > $directional_info.htlc_minimum_msat {
let proportional_fee_millions = ($starting_fee_msat + final_value_msat).checked_mul($directional_info.fee_proportional_millionths as u64);
if let Some(proportional_fee) = proportional_fee_millions {
let new_fee = $directional_info.fee_base_msat as u64 + proportional_fee / 1000000;
if let Some(new_fee) = proportional_fee_millions.and_then(|part| {
($directional_info.fee_base_msat as u64).checked_add(part / 1000000) })
{
let mut total_fee = $starting_fee_msat as u64;
let mut hm_entry = dist.entry(&$directional_info.src_node_id);
let old_entry = hm_entry.or_insert_with(|| {