loopd: disable mainnet loop in

cmd/loop/terms.go

@@ -24,19 +24,6 @@ func terms(ctx *cli.Context) error {
 	}
 	defer cleanup()
 
-	req := &looprpc.TermsRequest{}
-	loopOutTerms, err := client.LoopOutTerms(context.Background(), req)
-	if err != nil {
-		return err
-	}
-
-	loopInTerms, err := client.GetLoopInTerms(
-		context.Background(), &looprpc.TermsRequest{},
-	)
-	if err != nil {
-		return err
-	}
-
 	printTerms := func(terms *looprpc.TermsResponse) {
 		fmt.Printf("Amount: %d - %d\n",
 			btcutil.Amount(terms.MinSwapAmount),
@@ -53,13 +40,26 @@ func terms(ctx *cli.Context) error {
 
 	fmt.Println("Loop Out")
 	fmt.Println("--------")
-	printTerms(loopOutTerms)
+	req := &looprpc.TermsRequest{}
+	loopOutTerms, err := client.LoopOutTerms(context.Background(), req)
+	if err != nil {
+		fmt.Println(err)
+	} else {
+		printTerms(loopOutTerms)
+	}
 
 	fmt.Println()
 
 	fmt.Println("Loop In")
 	fmt.Println("------")
-	printTerms(loopInTerms)
+	loopInTerms, err := client.GetLoopInTerms(
+		context.Background(), &looprpc.TermsRequest{},
+	)
+	if err != nil {
+		fmt.Println(err)
+	} else {
+		printTerms(loopInTerms)
+	}
 
 	return nil
 }

cmd/loopd/swapclient_server.go

@@ -6,6 +6,8 @@ import (
 	"fmt"
 	"sort"
 
+	"github.com/btcsuite/btcd/chaincfg"
+
 	"github.com/lightningnetwork/lnd/queue"
 
 	"github.com/lightninglabs/loop"
@@ -19,6 +21,10 @@ import (
 
 const completedSwapsCount = 5
 
+var (
+	errNoMainnet = errors.New("function not available on mainnet")
+)
+
 // swapClientServer implements the grpc service exposed by loopd.
 type swapClientServer struct {
 	impl *loop.Client
@@ -270,6 +276,10 @@ func (s *swapClientServer) GetLoopInTerms(ctx context.Context, req *looprpc.Term
 
 	logger.Infof("Loop in terms request received")
 
+	if s.lnd.ChainParams.Name == chaincfg.MainNetParams.Name {
+		return nil, errNoMainnet
+	}
+
 	terms, err := s.impl.LoopInTerms(ctx)
 	if err != nil {
 		logger.Errorf("Terms request: %v", err)
@@ -291,6 +301,10 @@ func (s *swapClientServer) GetLoopInQuote(ctx context.Context,
 
 	logger.Infof("Loop in quote request received")
 
+	if s.lnd.ChainParams.Name == chaincfg.MainNetParams.Name {
+		return nil, errNoMainnet
+	}
+
 	quote, err := s.impl.LoopInQuote(ctx, &loop.LoopInQuoteRequest{
 		Amount:         btcutil.Amount(req.Amt),
 		HtlcConfTarget: defaultConfTarget,
@@ -310,6 +324,10 @@ func (s *swapClientServer) LoopIn(ctx context.Context,
 
 	logger.Infof("Loop in request received")
 
+	if s.lnd.ChainParams.Name == chaincfg.MainNetParams.Name {
+		return nil, errNoMainnet
+	}
+
 	req := &loop.LoopInRequest{
 		Amount:         btcutil.Amount(in.Amt),
 		MaxMinerFee:    btcutil.Amount(in.MaxMinerFee),