Files
bitcoin/src/node/context.h
Antoine Poinsot 86ff2cf202 Remove the remaining fee estimation globals
This moves the CBlockPolicyEstimator to the NodeContext, which get rids
of two globals and allows us to conditionally create the
CBlockPolicyEstimator (and to remove a circular dep).

Signed-off-by: Antoine Poinsot <darosior@protonmail.com>
2020-12-03 12:56:37 +01:00

62 lines
2.4 KiB
C++

// Copyright (c) 2019-2020 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 <cassert>
#include <functional>
#include <memory>
#include <vector>
class ArgsManager;
class BanMan;
class CBlockPolicyEstimator;
class CConnman;
class CScheduler;
class CTxMemPool;
class ChainstateManager;
class PeerManager;
namespace interfaces {
class Chain;
class ChainClient;
class WalletClient;
} // 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 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<CConnman> connman;
std::unique_ptr<CTxMemPool> mempool;
std::unique_ptr<CBlockPolicyEstimator> fee_estimator;
std::unique_ptr<PeerManager> peerman;
ChainstateManager* chainman{nullptr}; // Currently a raw pointer because the memory is not managed by this struct
std::unique_ptr<BanMan> banman;
ArgsManager* args{nullptr}; // Currently a raw pointer because the memory is not managed by this struct
std::unique_ptr<interfaces::Chain> chain;
//! List of all chain clients (wallet processes or other client) connected to node.
std::vector<std::unique_ptr<interfaces::ChainClient>> chain_clients;
//! Reference to chain client that should used to load or create wallets
//! opened by the gui.
interfaces::WalletClient* wallet_client{nullptr};
std::unique_ptr<CScheduler> scheduler;
std::function<void()> rpc_interruption_point = [] {};
//! 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