Update project structure and build process

recovery_tool/cmd/survey/main.go

@@ -0,0 +1,51 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/muun/recovery/electrum"
+	"github.com/muun/recovery/survey"
+)
+
+func main() {
+	config := &survey.Config{
+		InitialServers:     electrum.PublicServers,
+		Workers:            30,
+		SpeedTestDuration:  time.Second * 20,
+		SpeedTestBatchSize: 100,
+	}
+
+	survey := survey.NewSurvey(config)
+	results := survey.Run()
+
+	fmt.Println("\n\n// Worthy servers:")
+	for _, result := range results {
+		if result.IsWorthy {
+			fmt.Println(toCodeLine(result))
+		}
+	}
+
+	fmt.Println("\n\n// Unworthy servers:")
+	for _, result := range results {
+		if !result.IsWorthy {
+			fmt.Println(toCodeLine(result))
+		}
+	}
+}
+
+func toCodeLine(r *survey.Result) string {
+	if r.Err != nil {
+		return fmt.Sprintf("\"%s\", // %v", r.Server, r.Err)
+	}
+
+	return fmt.Sprintf(
+		"\"%s\", // impl: %s, batching: %v, ttc: %.2f, speed: %d, from: %s",
+		r.Server,
+		r.Impl,
+		r.BatchSupport,
+		r.TimeToConnect.Seconds(),
+		r.Speed,
+		r.FromPeer,
+	)
+}