X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Futil%2Flogger.rs;h=01b024065b29240284f507fd4bb3f9501641fecb;hb=59659d3171141a4aab65d24462786578aa1aeaf1;hp=b34d1f0b782d8618756edc28e3d4a4791be0779f;hpb=1bb9e64ebc6afaa21afcef4f71bb83054d9b2023;p=rust-lightning

diff --git a/lightning/src/util/logger.rs b/lightning/src/util/logger.rs
index b34d1f0b..01b02406 100644
--- a/lightning/src/util/logger.rs
+++ b/lightning/src/util/logger.rs
@@ -120,6 +120,18 @@ pub trait Logger {
 	fn log(&self, record: &Record);
 }
 
+/// Wrapper for logging byte slices in hex format.
+#[doc(hidden)]
+pub struct DebugBytes<'a>(pub &'a [u8]);
+impl<'a> core::fmt::Display for DebugBytes<'a> {
+	fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
+		for i in self.0 {
+			write!(f, "{:02x}", i)?;
+		}
+		Ok(())
+	}
+}
+
 #[cfg(test)]
 mod tests {
 	use util::logger::{Logger, Level};