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// Copyright (c) 2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_NODE_CONTEXT_H
#define BITCOIN_NODE_CONTEXT_H
#include <memory>
#include <vector>
namespace interfaces {
class Chain;
class ChainClient;
} // namespace interfaces
//! NodeContext struct containing references to chain state and connection
//! state.
//!
//! This is used by init, rpc, and test code to pass object references around
//! without needing to declare the same variables and parameters repeatedly, or
//! to use globals. More variables could be added to this struct (particularly
//! references to validation and mempool objects) to eliminate use of globals
//! and make code more modular and testable. The struct isn't intended to have
//! any member functions. It should just be a collection of references that can
//! be used without pulling in unwanted dependencies or functionality.
struct NodeContext
{
std::unique_ptr<interfaces::Chain> chain;
std::vector<std::unique_ptr<interfaces::ChainClient>> chain_clients;
//! Declare default constructor and destructor that are not inline, so code
//! instantiating the NodeContext struct doesn't need to #include class
//! definitions for all the unique_ptr members.
NodeContext();
~NodeContext();
};
#endif // BITCOIN_NODE_CONTEXT_H
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