Fix concurrency on the client (#183)

* reworked peer connection establishment logic eliminating race conditions and deadlocks while running many peers

client/internal/peer/status.go

@@ -0,0 +1,25 @@
+package peer
+
+import log "github.com/sirupsen/logrus"
+
+type ConnStatus int
+
+func (s ConnStatus) String() string {
+	switch s {
+	case StatusConnecting:
+		return "StatusConnecting"
+	case StatusConnected:
+		return "StatusConnected"
+	case StatusDisconnected:
+		return "StatusDisconnected"
+	default:
+		log.Errorf("unknown status: %d", s)
+		return "INVALID_PEER_CONNECTION_STATUS"
+	}
+}
+
+const (
+	StatusConnected = iota
+	StatusConnecting
+	StatusDisconnected
+)