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crypto/vm/vmstate.h

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+/*
+    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/>.
+
+    Copyright 2017-2019 Telegram Systems LLP
+*/
+#pragma once
+#include "common/refcnt.hpp"
+#include "vm/cells.h"
+
+#include "td/utils/Context.h"
+
+namespace vm {
+using td::Ref;
+
+class VmStateInterface : public td::Context<VmStateInterface> {
+ public:
+  virtual ~VmStateInterface() = default;
+  virtual Ref<vm::Cell> load_library(
+      td::ConstBitPtr hash) {  // may throw a dictionary exception; returns nullptr if library is not found
+    return {};
+  }
+  virtual void register_cell_load(){};
+  virtual void register_cell_create(){};
+};
+
+}  // namespace vm