add the currency service

currency/main.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"github.com/micro/services/currency/handler"
+	pb "github.com/micro/services/currency/proto"
+
+	"github.com/micro/micro/v3/service"
+	"github.com/micro/micro/v3/service/config"
+	"github.com/micro/micro/v3/service/logger"
+)
+
+func main() {
+	// Create service
+	srv := service.New(
+		service.Name("currency"),
+		service.Version("latest"),
+	)
+
+	v, err := config.Get("exchangerate.api")
+	if err != nil {
+		logger.Fatalf("exchangerate.api config not found: %v", err)
+	}
+	api := v.String("")
+	if len(api) == 0 {
+		logger.Fatal("exchangerate.api config not found")
+	}
+	v, err = config.Get("exchangerate.key")
+	if err != nil {
+		logger.Fatalf("exchangerate.key config not found: %v", err)
+	}
+	key := v.String("")
+	if len(key) == 0 {
+		logger.Fatal("exchangerate.key config not found")
+	}
+
+	// Register handler
+	pb.RegisterCurrencyHandler(srv.Server(), &handler.Currency{
+		Api: api + key,
+	})
+
+	// Run service
+	if err := srv.Run(); err != nil {
+		logger.Fatal(err)
+	}
+}