Add detection of feature_static_remotekey support and print

[rust-lightning] / lightning / src / ln / features.rs

diff --git a/lightning/src/ln/features.rs b/lightning/src/ln/features.rs
index b65b9b1b245e0a8922a4b69a8dbebfe2f76a500e..ad8942326322f75207e42d0a9ec3f09ee86fc0a7 100644 (file)
--- a/lightning/src/ln/features.rs
+++ b/lightning/src/ln/features.rs
@@ -236,6 +236,8 @@ mod sealed {
                "Feature flags for `option_upfront_shutdown_script`.");
        define_feature!(9, VariableLengthOnion, [InitContext, NodeContext],
                "Feature flags for `var_onion_optin`.");
+       define_feature!(13, StaticRemoteKey, [InitContext, NodeContext],
+               "Feature flags for `option_static_remotekey`.");
        define_feature!(15, PaymentSecret, [InitContext, NodeContext],
                "Feature flags for `payment_secret`.");
        define_feature!(17, BasicMPP, [InitContext, NodeContext],
@@ -470,6 +472,16 @@ impl<T: sealed::VariableLengthOnion> Features<T> {
        }
 }
 
+impl<T: sealed::StaticRemoteKey> Features<T> {
+       pub(crate) fn supports_static_remote_key(&self) -> bool {
+               <T as sealed::StaticRemoteKey>::supports_feature(&self.flags)
+       }
+       #[cfg(test)]
+       pub(crate) fn requires_static_remote_key(&self) -> bool {
+               <T as sealed::StaticRemoteKey>::requires_feature(&self.flags)
+       }
+}
+
 impl<T: sealed::InitialRoutingSync> Features<T> {
        pub(crate) fn initial_routing_sync(&self) -> bool {
                <T as sealed::InitialRoutingSync>::supports_feature(&self.flags)
@@ -555,6 +567,11 @@ mod tests {
                assert!(!InitFeatures::known().requires_variable_length_onion());
                assert!(!NodeFeatures::known().requires_variable_length_onion());
 
+               assert!(!InitFeatures::known().supports_static_remote_key());
+               assert!(!NodeFeatures::known().supports_static_remote_key());
+               assert!(!InitFeatures::known().requires_static_remote_key());
+               assert!(!NodeFeatures::known().requires_static_remote_key());
+
                assert!(InitFeatures::known().supports_payment_secret());
                assert!(NodeFeatures::known().supports_payment_secret());
                assert!(!InitFeatures::known().requires_payment_secret());