fixed rail & operation names

api/gateway/chain/client/rail_gateway_test.go

@@ -0,0 +1,21 @@
+package client
+
+import (
+	"testing"
+
+	"github.com/tech/sendico/pkg/discovery"
+)
+
+func TestNewRailGateway_NormalizesRail(t *testing.T) {
+	gw := NewRailGateway(nil, RailGatewayConfig{Rail: "card_payout", Network: "tron"})
+	if got, want := gw.Rail(), discovery.RailCardPayout; got != want {
+		t.Fatalf("unexpected rail: got=%q want=%q", got, want)
+	}
+}
+
+func TestNewRailGateway_DefaultsToCryptoRail(t *testing.T) {
+	gw := NewRailGateway(nil, RailGatewayConfig{})
+	if got, want := gw.Rail(), discovery.RailCrypto; got != want {
+		t.Fatalf("unexpected rail: got=%q want=%q", got, want)
+	}
+}