X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=sidebyside;f=lightning%2Fsrc%2Fln%2Ffeatures.rs;h=50d8e38157871bf40f0ab416cdd28c92eaf1bfb7;hb=c94e53d9ddd65816b29af07ac075f542f0f5b37f;hp=eee534f71087215ff1f00e71be32e314ab44d623;hpb=c326061108d12f58fde5c4fb7f214fb308275f72;p=rust-lightning

diff --git a/lightning/src/ln/features.rs b/lightning/src/ln/features.rs
index eee534f7..50d8e381 100644
--- a/lightning/src/ln/features.rs
+++ b/lightning/src/ln/features.rs
@@ -182,13 +182,21 @@ impl<T: sealed::Context> Features<T> {
 
 	pub(crate) fn requires_unknown_bits(&self) -> bool {
 		self.flags.iter().enumerate().any(|(idx, &byte)| {
-			( idx != 0 && (byte & 0x55) != 0 ) || ( idx == 0 && (byte & 0x14) != 0 )
+			(match idx {
+				0 => (byte & 0b00010100),
+				1 => (byte & 0b01010100),
+				_ => (byte & 0b01010101),
+			}) != 0
 		})
 	}
 
 	pub(crate) fn supports_unknown_bits(&self) -> bool {
 		self.flags.iter().enumerate().any(|(idx, &byte)| {
-			( idx != 0 && byte != 0 ) || ( idx == 0 && (byte & 0xc4) != 0 )
+			(match idx {
+				0 => (byte & 0b11000100),
+				1 => (byte & 0b11111100),
+				_ => byte,
+			}) != 0
 		})
 	}