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447761c822
This commit is part of the libbitcoinkernel project and seeks to remove the ChainstateManager's and, more generally, the kernel library's dependency on interface_ui with options methods in this and the following few commits. By removing interface_ui from the kernel library, its dependency on boost is reduced to just boost::multi_index. Define a new kernel notification class with virtual methods for notifying about internal kernel events. Create a new file in the node library for defining a function creating the default set of notification methods such that these do not need to be re-defined all over the codebase. As a first step, add a `blockTip` method, wrapping `uiInterface.NotifyBlockTip`.
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
// Copyright (c) 2019-2022 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_NODE_CONTEXT_H
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#define BITCOIN_NODE_CONTEXT_H
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#include <kernel/context.h>
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#include <cassert>
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#include <functional>
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#include <memory>
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#include <vector>
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class ArgsManager;
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class BanMan;
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class AddrMan;
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class CBlockPolicyEstimator;
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class CConnman;
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class CScheduler;
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class CTxMemPool;
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class ChainstateManager;
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class NetGroupManager;
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class PeerManager;
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namespace interfaces {
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class Chain;
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class ChainClient;
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class Init;
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class WalletLoader;
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} // namespace interfaces
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namespace node {
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class KernelNotifications;
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//! NodeContext struct containing references to chain state and connection
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//! state.
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//!
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//! This is used by init, rpc, and test code to pass object references around
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//! without needing to declare the same variables and parameters repeatedly, or
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//! to use globals. More variables could be added to this struct (particularly
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//! references to validation objects) to eliminate use of globals
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//! and make code more modular and testable. The struct isn't intended to have
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//! any member functions. It should just be a collection of references that can
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//! be used without pulling in unwanted dependencies or functionality.
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struct NodeContext {
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//! libbitcoin_kernel context
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std::unique_ptr<kernel::Context> kernel;
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//! Init interface for initializing current process and connecting to other processes.
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interfaces::Init* init{nullptr};
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std::unique_ptr<AddrMan> addrman;
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std::unique_ptr<CConnman> connman;
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std::unique_ptr<CTxMemPool> mempool;
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std::unique_ptr<const NetGroupManager> netgroupman;
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std::unique_ptr<CBlockPolicyEstimator> fee_estimator;
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std::unique_ptr<PeerManager> peerman;
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std::unique_ptr<ChainstateManager> chainman;
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std::unique_ptr<BanMan> banman;
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ArgsManager* args{nullptr}; // Currently a raw pointer because the memory is not managed by this struct
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std::unique_ptr<interfaces::Chain> chain;
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//! List of all chain clients (wallet processes or other client) connected to node.
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std::vector<std::unique_ptr<interfaces::ChainClient>> chain_clients;
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//! Reference to chain client that should used to load or create wallets
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//! opened by the gui.
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interfaces::WalletLoader* wallet_loader{nullptr};
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std::unique_ptr<CScheduler> scheduler;
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std::function<void()> rpc_interruption_point = [] {};
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std::unique_ptr<KernelNotifications> notifications;
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//! Declare default constructor and destructor that are not inline, so code
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//! instantiating the NodeContext struct doesn't need to #include class
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//! definitions for all the unique_ptr members.
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NodeContext();
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~NodeContext();
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};
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} // namespace node
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#endif // BITCOIN_NODE_CONTEXT_H
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