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39d9bbe4ac
923312fbf6rpc: use peer_id, block_hash for FetchBlock (Sjors Provoost)34d5399211rpc: more detailed errors for getblockfrompeer (Sjors Provoost)60243cac72rpc: turn already downloaded into error in getblockfrompeer (Sjors Provoost)809d66bb65rpc: clarify getblockfrompeer behavior when called multiple times (Sjors Provoost)0e3d7c5ee1refactor: drop redundant hash argument from FetchBlock (Sjors Provoost)8d1a3e6498rpc: allow empty JSON object result (Sjors Provoost)bfbf91d0b2test: fancier Python for getblockfrompeer (Sjors Provoost) Pull request description: Followups from #20295. ACKs for top commit: jonatack: ACK923312fbf6📦 fjahr: tested ACK923312fbf6Tree-SHA512: da9eca76e302e249409c9d7f0d16cca668ed981e2ab6ca2d1743dad0d830b94b1bc5ffb9028a00764b863201945c273cc8f4409a4c9ca3817830007dffa2bc20
90 lines
3.6 KiB
C++
90 lines
3.6 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2021 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_NET_PROCESSING_H
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#define BITCOIN_NET_PROCESSING_H
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#include <net.h>
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#include <validationinterface.h>
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class AddrMan;
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class CChainParams;
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class CTxMemPool;
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class ChainstateManager;
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/** Default for -maxorphantx, maximum number of orphan transactions kept in memory */
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static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100;
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/** Default number of orphan+recently-replaced txn to keep around for block reconstruction */
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static const unsigned int DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN = 100;
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static const bool DEFAULT_PEERBLOOMFILTERS = false;
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static const bool DEFAULT_PEERBLOCKFILTERS = false;
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/** Threshold for marking a node to be discouraged, e.g. disconnected and added to the discouragement filter. */
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static const int DISCOURAGEMENT_THRESHOLD{100};
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struct CNodeStateStats {
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int nSyncHeight = -1;
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int nCommonHeight = -1;
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int m_starting_height = -1;
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std::chrono::microseconds m_ping_wait;
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std::vector<int> vHeightInFlight;
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uint64_t m_addr_processed = 0;
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uint64_t m_addr_rate_limited = 0;
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bool m_addr_relay_enabled{false};
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};
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class PeerManager : public CValidationInterface, public NetEventsInterface
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{
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public:
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static std::unique_ptr<PeerManager> make(const CChainParams& chainparams, CConnman& connman, AddrMan& addrman,
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BanMan* banman, ChainstateManager& chainman,
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CTxMemPool& pool, bool ignore_incoming_txs);
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virtual ~PeerManager() { }
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/**
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* Attempt to manually fetch block from a given peer. We must already have the header.
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*
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* @param[in] peer_id The peer id
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* @param[in] block_index The blockindex
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* @returns std::nullopt if a request was successfully made, otherwise an error message
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*/
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virtual std::optional<std::string> FetchBlock(NodeId peer_id, const CBlockIndex& block_index) = 0;
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/** Begin running background tasks, should only be called once */
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virtual void StartScheduledTasks(CScheduler& scheduler) = 0;
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/** Get statistics from node state */
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virtual bool GetNodeStateStats(NodeId nodeid, CNodeStateStats& stats) const = 0;
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/** Whether this node ignores txs received over p2p. */
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virtual bool IgnoresIncomingTxs() = 0;
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/** Relay transaction to all peers. */
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virtual void RelayTransaction(const uint256& txid, const uint256& wtxid) = 0;
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/** Send ping message to all peers */
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virtual void SendPings() = 0;
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/** Set the best height */
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virtual void SetBestHeight(int height) = 0;
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/**
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* Increment peer's misbehavior score. If the new value >= DISCOURAGEMENT_THRESHOLD, mark the node
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* to be discouraged, meaning the peer might be disconnected and added to the discouragement filter.
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* Public for unit testing.
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*/
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virtual void Misbehaving(const NodeId pnode, const int howmuch, const std::string& message) = 0;
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/**
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* Evict extra outbound peers. If we think our tip may be stale, connect to an extra outbound.
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* Public for unit testing.
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*/
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virtual void CheckForStaleTipAndEvictPeers() = 0;
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/** Process a single message from a peer. Public for fuzz testing */
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virtual void ProcessMessage(CNode& pfrom, const std::string& msg_type, CDataStream& vRecv,
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const std::chrono::microseconds time_received, const std::atomic<bool>& interruptMsgProc) = 0;
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};
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#endif // BITCOIN_NET_PROCESSING_H
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