cmd/litcli: add allow_uneconomical flag to payment cmds

Author: guggero

cmd/litcli/ln.go

@@ -182,6 +182,15 @@ var (
 			"set if there are multiple channels with the same " +
 			"asset ID present",
 	}
+
+	allowUnEconomicalFlag = cli.BoolFlag{
+		Name: "allow_uneconomical",
+		Usage: "allow sending asset payments that are uneconomical " +
+			"because the required non-dust amount for an asset " +
+			"carrier HTLC plus one asset unit is higher than the " +
+			"total invoice/payment amount that arrives at the " +
+			"destination",
+	}
 )
 
 // resultStreamWrapper is a wrapper around the SendPaymentClient stream that
@@ -275,7 +284,7 @@ var sendPaymentCommand = cli.Command{
 		"--asset_amount=Y [--rfq_peer_pubkey=Z]",
 	Flags: append(
 		commands.SendPaymentCommand.Flags, assetIDFlag, assetAmountFlag,
-		rfqPeerPubKeyFlag,
+		rfqPeerPubKeyFlag, allowUnEconomicalFlag,
 	),
 	Action: sendPayment,
 }
@@ -376,6 +385,7 @@ func sendPayment(ctx *cli.Context) error {
 	rHash = hash[:]
 
 	req.PaymentHash = rHash
+	allowUnEconomical := ctx.Bool(allowUnEconomicalFlag.Name)
 
 	return commands.SendPaymentRequest(
 		ctx, req, lndConn, tapdConn, func(ctx context.Context,
@@ -389,10 +399,11 @@ func sendPayment(ctx *cli.Context) error {
 
 			stream, err := tchrpcClient.SendPayment(
 				ctx, &tchrpc.SendPaymentRequest{
-					AssetId:        assetIDBytes,
-					AssetAmount:    assetAmountToSend,
-					PeerPubkey:     rfqPeerKey,
-					PaymentRequest: req,
+					AssetId:           assetIDBytes,
+					AssetAmount:       assetAmountToSend,
+					PeerPubkey:        rfqPeerKey,
+					PaymentRequest:    req,
+					AllowUneconomical: allowUnEconomical,
 				},
 			)
 			if err != nil {
@@ -424,6 +435,7 @@ var payInvoiceCommand = cli.Command{
 		},
 		assetIDFlag,
 		rfqPeerPubKeyFlag,
+		allowUnEconomicalFlag,
 	),
 	Action: payInvoice,
 }
@@ -468,15 +480,13 @@ func payInvoice(ctx *cli.Context) error {
 		return fmt.Errorf("unable to decode assetID: %v", err)
 	}
 
-	var assetID asset.ID
-	copy(assetID[:], assetIDBytes)
-
 	rfqPeerKey, err := hex.DecodeString(ctx.String(rfqPeerPubKeyFlag.Name))
 	if err != nil {
 		return fmt.Errorf("unable to decode RFQ peer public key: "+
 			"%w", err)
 	}
 
+	allowUnEconomical := ctx.Bool(allowUnEconomicalFlag.Name)
 	req := &routerrpc.SendPaymentRequest{
 		PaymentRequest: commands.StripPrefix(payReq),
 	}
@@ -493,9 +503,10 @@ func payInvoice(ctx *cli.Context) error {
 
 			stream, err := tchrpcClient.SendPayment(
 				ctx, &tchrpc.SendPaymentRequest{
-					AssetId:        assetIDBytes,
-					PeerPubkey:     rfqPeerKey,
-					PaymentRequest: req,
+					AssetId:           assetIDBytes,
+					PeerPubkey:        rfqPeerKey,
+					PaymentRequest:    req,
+					AllowUneconomical: allowUnEconomical,
 				},
 			)
 			if err != nil {