Avoid overflow in addition when checking counterparty feerates

[rust-lightning] / lightning / src / chain / onchaintx.rs

diff --git a/lightning/src/chain/onchaintx.rs b/lightning/src/chain/onchaintx.rs
index 6f64f3eec56210b3e383dd0a15b87368946a2201..ee6dc9c5c0b6a9fce46d9e610a95bfc872033498 100644 (file)
--- a/lightning/src/chain/onchaintx.rs
+++ b/lightning/src/chain/onchaintx.rs
@@ -387,7 +387,7 @@ impl<ChannelSigner: Sign> OnchainTxHandler<ChannelSigner> {
                // didn't receive confirmation of it before, or not enough reorg-safe depth on top of it).
                let new_timer = Some(cached_request.get_height_timer(cur_height));
                if cached_request.is_malleable() {
-                       let predicted_weight = cached_request.package_weight(&self.destination_script);
+                       let predicted_weight = cached_request.package_weight(&self.destination_script, self.channel_transaction_parameters.opt_anchors.is_some());
                        if let Some((output_value, new_feerate)) =
                                        cached_request.compute_package_output(predicted_weight, self.destination_script.dust_value().as_sat(), fee_estimator, logger) {
                                assert!(new_feerate != 0);