lncli: cancelable flag for SendPaymentRequest

cmd/lncli/cmd_payments.go

@@ -139,6 +139,13 @@ var (
 		Usage: "(blinded paths) the total cltv delay for the " +
 			"blinded portion of the route",
 	}
+
+	cancelableFlag = cli.BoolFlag{
+		Name: "cancelable",
+		Usage: "if set to true, the current payment attempt " +
+			"can be canceled in the backend by " +
+			"terminating the payment request",
+	}
 )
 
 // paymentFlags returns common flags for sendpayment and payinvoice.
@@ -166,6 +173,7 @@ func paymentFlags() []cli.Flag {
 				"after the timeout has elapsed",
 			Value: paymentTimeout,
 		},
+		cancelableFlag,
 		cltvLimitFlag,
 		lastHopFlag,
 		cli.Int64SliceFlag{
@@ -328,6 +336,7 @@ func sendPayment(ctx *cli.Context) error {
 			PaymentRequest:    stripPrefix(ctx.String("pay_req")),
 			Amt:               ctx.Int64("amt"),
 			DestCustomRecords: make(map[uint64][]byte),
+			Cancelable:        ctx.Bool(cancelableFlag.Name),
 		}
 
 		// We'll attempt to parse a payment address as well, given that
@@ -386,6 +395,7 @@ func sendPayment(ctx *cli.Context) error {
 		Amt:               amount,
 		DestCustomRecords: make(map[uint64][]byte),
 		Amp:               ctx.Bool(ampFlag.Name),
+		Cancelable:        ctx.Bool(cancelableFlag.Name),
 	}
 
 	var rHash []byte
@@ -887,6 +897,7 @@ func payInvoice(ctx *cli.Context) error {
 		Amt:               ctx.Int64("amt"),
 		DestCustomRecords: make(map[uint64][]byte),
 		Amp:               ctx.Bool(ampFlag.Name),
+		Cancelable:        ctx.Bool(cancelableFlag.Name),
 	}
 
 	return sendPaymentRequest(ctx, req)