1 files changed, 45 insertions, 0 deletions
diff --git a/src/buildtool/execution_api/execution_service/cas_utils.hpp b/src/buildtool/execution_api/execution_service/cas_utils.hpp
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+++ b/src/buildtool/execution_api/execution_service/cas_utils.hpp
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+// Copyright 2024 Huawei Cloud Computing Technology Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef INCLUDED_SRC_BUILDTOOL_EXECUTION_API_EXECUTION_SERVICE_CAS_UTILS_HPP
+#define INCLUDED_SRC_BUILDTOOL_EXECUTION_API_EXECUTION_SERVICE_CAS_UTILS_HPP
+
+#include <optional>
+#include <string>
+#include <variant>
+#include <vector>
+
+#include "grpcpp/support/status.h"
+#include "src/buildtool/common/bazel_types.hpp"
+#include "src/buildtool/storage/storage.hpp"
+
+class CASUtils {
+  public:
+    [[nodiscard]] static auto EnsureTreeInvariant(
+        std::string const& data,
+        std::string const& hash,
+        Storage const& storage) noexcept -> std::optional<std::string>;
+
+    [[nodiscard]] static auto SplitBlob(bazel_re::Digest const& blob_digest,
+                                        Storage const& storage) noexcept
+        -> std::variant<std::vector<bazel_re::Digest>, grpc::Status>;
+
+    [[nodiscard]] static auto SpliceBlob(
+        bazel_re::Digest const& blob_digest,
+        std::vector<bazel_re::Digest> const& chunk_digests,
+        Storage const& storage) noexcept
+        -> std::variant<bazel_re::Digest, grpc::Status>;
+};
+
+#endif  // INCLUDED_SRC_BUILDTOOL_EXECUTION_API_EXECUTION_SERVICE_CAS_UTILS_HPP