dash/src/context.h

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// Copyright (c) 2022-2024 The Dash Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_CONTEXT_H
#define BITCOIN_CONTEXT_H
#include <functional>
#include <variant>
class ArgsManager;
class ChainstateManager;
class CTxMemPool;
class CBlockPolicyEstimator;
struct LLMQContext;
struct NodeContext;
struct WalletContext;
using CoreContext = std::variant<std::monostate,
std::reference_wrapper<ArgsManager>,
std::reference_wrapper<NodeContext>,
std::reference_wrapper<WalletContext>,
std::reference_wrapper<CTxMemPool>,
std::reference_wrapper<ChainstateManager>,
std::reference_wrapper<CBlockPolicyEstimator>,
std::reference_wrapper<LLMQContext>>;
template<typename T>
T* GetContext(const CoreContext& context) noexcept
{
return std::holds_alternative<std::reference_wrapper<T>>(context)
? &std::get<std::reference_wrapper<T>>(context).get()
: nullptr;
}
#endif // BITCOIN_CONTEXT_H