lbcdblocknotify: support multiple stratum server

rpcclient/examples/lbcdblocknotify/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
 	"os/exec"
 	"path/filepath"
@@ -10,13 +11,15 @@ import (
 	"github.com/lbryio/lbcutil"
 )
 
+type stratumFlag []string
+
 var (
 	lbcdHomeDir = lbcutil.AppDataDir("lbcd", false)
 	defaultCert = filepath.Join(lbcdHomeDir, "rpc.cert")
+	stratumList stratumFlag
 )
 var (
 	coinid      = flag.String("coinid", "1425", "Coin ID")
-	stratumServer = flag.String("stratum", "", "Stratum server")
 	stratumPass = flag.String("stratumpass", "", "Stratum server password")
 	rpcserver   = flag.String("rpcserver", "localhost:9245", "LBCD RPC server")
 	rpcuser     = flag.String("rpcuser", "rpcuser", "LBCD RPC username")
@@ -29,10 +32,12 @@ var (
 
 func main() {
 
+	flag.Var(&stratumList, "stratum", "--stratum=stratum1 --stratum=stratum2")
 	flag.Parse()
-
+	for _, stratum := range stratumList {
+		go func(stratum string) {
 			// Setup notification handler
-	b := newBridge(*stratumServer, *stratumPass, *coinid)
+			b := newBridge(stratum, *stratumPass, *coinid)
 
 			if len(*run) > 0 {
 				// Check if ccommand exists.
@@ -58,8 +63,21 @@ func main() {
 				log.Fatalf("ERROR: %s", err)
 				client.Shutdown()
 			}()
-
 			// Wait until the client either shuts down gracefully (or the user
 			// terminates the process with Ctrl+C).
 			client.WaitForShutdown()
+		}(stratum)
+	}
+
+	quit := make(chan bool)
+	<-quit
+}
+
+func (f *stratumFlag) String() string {
+	return fmt.Sprintf("%v", []string(*f))
+}
+
+func (f *stratumFlag) Set(value string) error {
+	*f = append(*f, value)
+	return nil
 }