tapchannel: use ScriptPathTimeout path for local HTLC timeout

Author: Roasbeef

tapchannel/aux_sweeper.go

@@ -834,7 +834,7 @@ func localHtlcTimeoutSweepDesc(req lnwallet.ResolutionReq,
 	// We'll need to complete the control block to spend the second-level
 	// HTLC, so first we'll make the script tree for the HTLC.
 	htlcScriptTree, err := lnwallet.GenTaprootHtlcScript(
-		isIncoming, lntypes.Remote, htlcExpiry,
+		isIncoming, lntypes.Local, htlcExpiry,
 		payHash, req.KeyRing, lfn.None[txscript.TapLeaf](),
 	)
 	if err != nil {
@@ -843,9 +843,8 @@ func localHtlcTimeoutSweepDesc(req lnwallet.ResolutionReq,
 	}
 
 	// Now that we have the script tree, we'll make the control block needed
-	// to spend it, but taking the revoked path.
 	ctrlBlock, err := htlcScriptTree.CtrlBlockForPath(
-		input.ScriptPathSuccess,
+		input.ScriptPathTimeout,
 	)
 	if err != nil {
 		return lfn.Err[tapscriptSweepDescs](err)
@@ -936,7 +935,7 @@ func localHtlcSucessSweepDesc(req lnwallet.ResolutionReq,
 	}
 
 	// Now that we have the script tree, we'll make the control block needed
-	// to spend it, but taking the revoked path.
+	// to spend it, but taking the success path.
 	ctrlBlock, err := htlcScriptTree.CtrlBlockForPath(
 		input.ScriptPathSuccess,
 	)