Move ExtClientLazy and QueryTraits to lite-client-common

lite-client/ext-client.h

@@ -0,0 +1,46 @@
+/*
+    This file is part of TON Blockchain Library.
+
+    TON Blockchain Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    TON Blockchain Library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#pragma once
+#include "td/actor/actor.h"
+#include "ton/ton-types.h"
+#include "adnl/adnl-ext-client.h"
+
+namespace liteclient {
+class ExtClient : public td::actor::Actor {
+ public:
+  struct LiteServer {
+    ton::adnl::AdnlNodeIdFull adnl_id;
+    td::IPAddress address;
+    bool is_full = true;
+    std::vector<ton::ShardIdFull> shards;
+  };
+
+  class Callback {
+   public:
+    virtual ~Callback() {
+    }
+  };
+
+  virtual void send_query(std::string name, td::BufferSlice data, ton::ShardIdFull shard, td::Timestamp timeout,
+                          td::Promise<td::BufferSlice> promise) = 0;
+  virtual void force_change_liteserver() = 0;
+
+  static td::actor::ActorOwn<ExtClient> create(ton::adnl::AdnlNodeIdFull dst, td::IPAddress dst_addr,
+                                               td::unique_ptr<Callback> callback);
+  static td::actor::ActorOwn<ExtClient> create(std::vector<LiteServer> servers, td::unique_ptr<Callback> callback);
+};
+}  // namespace liteclient