labels: add on-chain labels for loop in/out

Author: guggero

labels/lnd_labels.go

@@ -0,0 +1,37 @@
+package labels
+
+import "fmt"
+
+const (
+	// loopdLabelPattern is the pattern that loop uses to label on-chain
+	// transactions in the lnd backend.
+	loopdLabelPattern = "loopd -- %s(swap=%s)"
+
+	// loopOutSweepSuccess is the label used for loop out swaps to sweep
+	// the HTLC in the success case.
+	loopOutSweepSuccess = "OutSweepSuccess"
+
+	// loopInHtlc is the label used for loop in swaps to publish an HTLC.
+	loopInHtlc = "InHtlc"
+
+	// loopInTimeout is the label used for loop in swaps to sweep an HTLC
+	// that has timed out.
+	loopInSweepTimeout = "InSweepTimeout"
+)
+
+// LoopOutSweepSuccess returns the label used for loop out swaps to sweep the
+// HTLC in the success case.
+func LoopOutSweepSuccess(swapHash string) string {
+	return fmt.Sprintf(loopdLabelPattern, loopOutSweepSuccess, swapHash)
+}
+
+// LoopInHtlcLabel returns the label used for loop in swaps to publish an HTLC.
+func LoopInHtlcLabel(swapHash string) string {
+	return fmt.Sprintf(loopdLabelPattern, loopInHtlc, swapHash)
+}
+
+// LoopInSweepTimeout returns the label used for loop in swaps to sweep an HTLC
+// that has timed out.
+func LoopInSweepTimeout(swapHash string) string {
+	return fmt.Sprintf(loopdLabelPattern, loopInSweepTimeout, swapHash)
+}