Bound incoming HTLC witnessScript to min/max limits
[rust-lightning] / lightning / src / util / macro_logger.rs
index dba63663471d48e9181ed25d1e460c4c304b0153..e3a431ed54f8614d988c8ad2654d7389d9ed1e59 100644 (file)
@@ -5,6 +5,7 @@ use bitcoin::blockdata::transaction::Transaction;
 use secp256k1::key::PublicKey;
 
 use ln::router::Route;
+use ln::chan_utils::HTLCType;
 
 use std;
 
@@ -99,18 +100,17 @@ impl<'a> std::fmt::Display for DebugTx<'a> {
                                write!(f, "commitment tx")?;
                        } else if self.0.input.len() == 1 && self.0.input[0].witness.last().unwrap().len() == 71 {
                                write!(f, "closing tx")?;
-                       } else if self.0.input.len() == 1 && self.0.input[0].witness.last().unwrap().len() == 133 &&
+                       } else if self.0.input.len() == 1 && HTLCType::scriptlen_to_htlctype(self.0.input[0].witness.last().unwrap().len()) == Some(HTLCType::OfferedHTLC) &&
                                        self.0.input[0].witness.len() == 5 {
                                write!(f, "HTLC-timeout tx")?;
-                       } else if self.0.input.len() == 1 &&
-                                       (self.0.input[0].witness.last().unwrap().len() == 138 || self.0.input[0].witness.last().unwrap().len() == 139) &&
+                       } else if self.0.input.len() == 1 && HTLCType::scriptlen_to_htlctype(self.0.input[0].witness.last().unwrap().len()) == Some(HTLCType::AcceptedHTLC) &&
                                        self.0.input[0].witness.len() == 5 {
                                write!(f, "HTLC-success tx")?;
                        } else {
                                for inp in &self.0.input {
                                        if !inp.witness.is_empty() {
-                                               if inp.witness.last().unwrap().len() == 133 { write!(f, "preimage-")?; break }
-                                               else if inp.witness.last().unwrap().len() == 138 { write!(f, "timeout-")?; break }
+                                               if HTLCType::scriptlen_to_htlctype(inp.witness.last().unwrap().len()) == Some(HTLCType::OfferedHTLC) { write!(f, "preimage-")?; break }
+                                               else if HTLCType::scriptlen_to_htlctype(inp.witness.last().unwrap().len()) == Some(HTLCType::AcceptedHTLC) { write!(f, "timeout-")?; break }
                                        }
                                }
                                write!(f, "tx")?;