embed services-config.json and dmsghttp-config.json in skywire.go (#1873

)

services-config.json

@@ -1,5 +1,6 @@
 {
  "test": {
+  "conf": "http://conf.skywire.dev",
   "dmsg_discovery": "http://dmsgd.skywire.dev",
   "transport_discovery": "http://tpd.skywire.dev",
   "address_resolver": "http://ar.skywire.dev",
@@ -43,6 +44,7 @@
   ]
  },
  "prod": {
+  "conf": "http://conf.skywire.skycoin.com",
   "dmsg_discovery": "http://dmsgd.skywire.skycoin.com",
   "transport_discovery": "http://tpd.skywire.skycoin.com",
   "address_resolver": "http://ar.skywire.skycoin.com",

skywire.go

@@ -1,6 +1,98 @@
 // Package skywire skywire.go
 package skywire
 
+import (
+	_ "embed"
+	"encoding/json"
+	"log"
+
+	"github.com/skycoin/skywire-utilities/pkg/cipher"
+)
+
 /*
-workaround to avoid go module errors.
+Embedded Deployment Defaults
+
+Change the contents of services-config.json and / or dmsghttp-config.json to embed updated values
 */
+
+// ServicesJSON is the embedded services-config.json file
+//
+//go:embed services-config.json
+var ServicesJSON []byte
+
+// DmsghttpJSON is the embedded dmsghttp-config.json file
+//
+//go:embed dmsghttp-config.json
+var DmsghttpJSON []byte
+
+// EnvServices is the wrapper struct for the outer JSON - i.e. 'prod' or 'test' deployment config
+type EnvServices struct {
+	Test json.RawMessage `json:"test"`
+	Prod json.RawMessage `json:"prod"`
+}
+
+// Services are URLs, IP addresses, and public keys of the skywire services as deployed
+type Services struct {
+	DmsgDiscovery      string          `json:"dmsg_discovery,omitempty"`
+	TransportDiscovery string          `json:"transport_discovery,omitempty"`
+	AddressResolver    string          `json:"address_resolver,omitempty"`
+	RouteFinder        string          `json:"route_finder,omitempty"`
+	RouteSetupNodes    []cipher.PubKey `json:"route_setup_nodes,omitempty"`
+	TransportSetupPKs  []cipher.PubKey `json:"transport_setup,omitempty"`
+	UptimeTracker      string          `json:"uptime_tracker,omitempty"`
+	ServiceDiscovery   string          `json:"service_discovery,omitempty"`
+	StunServers        []string        `json:"stun_servers,omitempty"`
+	DNSServer          string          `json:"dns_server,omitempty"`
+	SurveyWhitelist    []cipher.PubKey `json:"survey_whitelist,omitempty"`
+}
+
+// Conf is the configuration URL for the deployment which may be fetched on `skywire cli config gen`
+type Conf struct {
+	Conf string `json:"conf,omitempty"`
+}
+
+// Prod is the production deployment services
+var Prod Services
+
+// ProdConf is the service configuration address / URL for the skywire production deployment
+var ProdConf Conf
+
+// Test is the test deployment services
+var Test Services
+
+// TestConf is the service configuration address / URL for the skywire test deployment
+var TestConf Conf
+
+// initialize the embedded files into variables
+func init() {
+	var js interface{}
+	err := json.Unmarshal([]byte(ServicesJSON), &js)
+	if err != nil {
+		log.Panic("services-config.json ", err)
+	}
+	err = json.Unmarshal([]byte(DmsghttpJSON), &js)
+	if err != nil {
+		log.Panic("dmsghttp-config.json ", err)
+	}
+	var envServices EnvServices
+	err = json.Unmarshal(ServicesJSON, &envServices)
+	if err != nil {
+		log.Panic(err)
+	}
+	err = json.Unmarshal(envServices.Prod, &Prod)
+	if err != nil {
+		log.Panic(err)
+	}
+	err = json.Unmarshal(envServices.Prod, &ProdConf)
+	if err != nil {
+		log.Panic(err)
+	}
+	err = json.Unmarshal(envServices.Test, &Test)
+	if err != nil {
+		log.Panic(err)
+	}
+	err = json.Unmarshal(envServices.Test, &TestConf)
+	if err != nil {
+		log.Panic(err)
+	}
+}