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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

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1// Copyright (c) 2009-2010 Satoshi Nakamoto
2// Copyright (c) 2009-present The Bitcoin Core developers
3// Distributed under the MIT software license, see the accompanying
4// file COPYING or http://www.opensource.org/licenses/mit-license.php.
5
6#ifndef BITCOIN_NET_PROCESSING_H
7#define BITCOIN_NET_PROCESSING_H
8
9#include <consensus/amount.h>
10#include <net.h>
11#include <node/txorphanage.h>
12#include <node/types.h>
13#include <private_broadcast.h>
14#include <protocol.h>
15#include <uint256.h>
16#include <util/expected.h>
17#include <validationinterface.h>
18
19#include <atomic>
20#include <chrono>
21#include <cstdint>
22#include <memory>
23#include <optional>
24#include <string>
25#include <vector>
26
27class AddrMan;
28class CTxMemPool;
29class ChainstateManager;
30class BanMan;
31class CBlockIndex;
32class CScheduler;
33class DataStream;
34class uint256;
35
36namespace node {
37class Warnings;
38} // namespace node
39
40/** Whether transaction reconciliation protocol should be enabled by default. */
41inline constexpr bool DEFAULT_TXRECONCILIATION_ENABLE{false};
42/** Default number of non-mempool transactions to keep around for block reconstruction. Includes
43    orphan, replaced, and rejected transactions. */
44inline constexpr uint32_t DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN{100};
45/** Default maximum per-second rate for sending transaction inventory to peers. */
46inline constexpr unsigned int DEFAULT_TX_SEND_RATE{14};
47inline constexpr bool DEFAULT_PEERBLOOMFILTERS = false;
48inline constexpr bool DEFAULT_PEERBLOCKFILTERS = false;
49/** Maximum number of outstanding CMPCTBLOCK requests for the same block. */
50inline constexpr unsigned int MAX_CMPCTBLOCKS_INFLIGHT_PER_BLOCK = 3;
51/** Number of headers sent in one getheaders result. We rely on the assumption that if a peer sends
52 *  less than this number, we reached its tip. Changing this value is a protocol upgrade. */
53inline constexpr unsigned int MAX_HEADERS_RESULTS = 2000;
54/** The compactblocks version we support. See BIP 152. */
55inline constexpr uint64_t CMPCTBLOCKS_VERSION{2};
56
57struct CNodeStateStats {
58    int nSyncHeight = -1;
59    int nCommonHeight = -1;
60    NodeClock::duration m_ping_wait;
61    std::vector<int> vHeightInFlight;
62    bool m_relay_txs;
63    int m_inv_to_send = 0;
64    uint64_t m_last_inv_seq{0};
65    CAmount m_fee_filter_received;
66    uint64_t m_addr_processed = 0;
67    uint64_t m_addr_rate_limited = 0;
68    bool m_addr_relay_enabled{false};
69    ServiceFlags their_services;
70    int64_t presync_height{-1};
71    std::chrono::seconds time_offset{0};
72};
73
74struct PeerManagerInfo {
75    struct InvBucketInfo {
76        size_t backlog_count{0};
77        double count_bucket{0};
78        double size_bucket{0};
79    };
80
81    std::chrono::seconds median_outbound_time_offset{0s};
82    bool ignores_incoming_txs{false};
83    bool private_broadcast{DEFAULT_PRIVATE_BROADCAST};
84    unsigned int tx_send_rate{0};
85    InvBucketInfo inbound_bucket;
86    InvBucketInfo outbound_bucket;
87};
88
89class PeerManager : public CValidationInterface, public NetEventsInterface
90{
91public:
92    struct Options {
93        //! Whether this node is running in -blocksonly mode
94        bool ignore_incoming_txs{DEFAULT_BLOCKSONLY};
95        //! Whether transaction reconciliation protocol is enabled
96        bool reconcile_txs{DEFAULT_TXRECONCILIATION_ENABLE};
97        //! Number of non-mempool transactions to keep around for block reconstruction. Includes
98        //! orphan, replaced, and rejected transactions.
99        uint32_t max_extra_txs{DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN};
100        //! Whether all P2P messages are captured to disk
101        bool capture_messages{false};
102        //! Whether or not the internal RNG behaves deterministically (this is
103        //! a test-only option).
104        bool deterministic_rng{false};
105        //! Number of headers sent in one getheaders message result (this is
106        //! a test-only option).
107        uint32_t max_headers_result{MAX_HEADERS_RESULTS};
108        //! Whether private broadcast is used for sending transactions.
109        bool private_broadcast{DEFAULT_PRIVATE_BROADCAST};
110        //! Maximum per-second rate for sending transaction inventory to peers.
111        unsigned int tx_send_rate{DEFAULT_TX_SEND_RATE};
112    };
113
114    static std::unique_ptr<PeerManager> make(CConnman& connman, AddrMan& addrman,
115                                             BanMan* banman, ChainstateManager& chainman,
116                                             CTxMemPool& pool, node::Warnings& warnings, Options opts);
117    virtual ~PeerManager() = default;
118
119    /**
120     * Attempt to manually fetch block from a given peer. We must already have the header.
121     *
122     * @param[in]  peer_id      The peer id
123     * @param[in]  block_index  The blockindex
124     */
125    virtual util::Expected<void, std::string> FetchBlock(NodeId peer_id, const CBlockIndex& block_index) = 0;
126
127    /** Begin running background tasks, should only be called once */
128    virtual void StartScheduledTasks(CScheduler& scheduler) = 0;
129
130    /** Get statistics from node state */
131    virtual bool GetNodeStateStats(NodeId nodeid, CNodeStateStats& stats) const = 0;
132
133    virtual std::vector<node::TxOrphanage::OrphanInfo> GetOrphanTransactions() = 0;
134
135    /** Get peer manager info. */
136    virtual PeerManagerInfo GetInfo() const = 0;
137
138    /** Get info about transactions currently being privately broadcast. */
139    virtual std::vector<PrivateBroadcast::TxBroadcastInfo> GetPrivateBroadcastInfo() const = 0;
140
141    /**
142     * Abort private broadcast attempts for transactions currently being privately broadcast.
143     *
144     * @param[in] id A transaction identifier. It will be matched against both txid and wtxid for
145     *               all transactions in the private broadcast queue.
146     *
147     * @return Transactions removed from the private broadcast queue. If the provided id matches a
148     *         txid that corresponds to multiple transactions with different wtxids, multiple
149     *         transactions may be returned.
150     */
151    virtual std::vector<CTransactionRef> AbortPrivateBroadcast(const uint256& id) = 0;
152
153    /**
154     * Initiate a transaction broadcast to eligible peers.
155     * Queue the witness transaction id to the inbound and outbound inv backlogs.
156     * Later, depending on `-txsendrate`, `Peer::TxRelay::m_next_inv_send_time` and if
157     * the transaction is in the mempool, an `INV` about it may be sent to the peer.
158     */
159    virtual void InitiateTxBroadcastToAll(const Wtxid& wtxid) = 0;
160
161    /**
162     * Initiate a private transaction broadcast. This is done
163     * asynchronously via short-lived connections to peers on privacy networks.
164     * @retval node::TransactionError::OK The transaction is scheduled for private broadcast (or was already scheduled).
165     * @retval node::TransactionError::PRIVATE_BROADCAST_FULL Rejected because the private broadcast queue is full.
166     */
167    [[nodiscard]] virtual node::TransactionError InitiateTxBroadcastPrivate(const CTransactionRef& tx) = 0;
168
169    /** Send ping message to all peers */
170    virtual void SendPings() = 0;
171
172    /** Set the height of the best block and its time (seconds since epoch). */
173    virtual void SetBestBlock(int height, std::chrono::seconds time) = 0;
174
175    /* Public for unit testing. */
176    virtual void UnitTestMisbehaving(NodeId peer_id) = 0;
177
178    /**
179     * Evict extra outbound peers. If we think our tip may be stale, connect to an extra outbound.
180     * Public for unit testing.
181     */
182    virtual void CheckForStaleTipAndEvictPeers() = 0;
183
184    /** This function is used for testing the stale tip eviction logic, see denialofservice_tests.cpp */
185    virtual void UpdateLastBlockAnnounceTime(NodeId node, int64_t time_in_seconds) = 0;
186
187    /**
188     * Gets the set of service flags which are "desirable" for a given peer.
189     *
190     * These are the flags which are required for a peer to support for them
191     * to be "interesting" to us, ie for us to wish to use one of our few
192     * outbound connection slots for or for us to wish to prioritize keeping
193     * their connection around.
194     *
195     * Relevant service flags may be peer- and state-specific in that the
196     * version of the peer may determine which flags are required (eg in the
197     * case of NODE_NETWORK_LIMITED where we seek out NODE_NETWORK peers
198     * unless they set NODE_NETWORK_LIMITED and we are out of IBD, in which
199     * case NODE_NETWORK_LIMITED suffices).
200     *
201     * Thus, generally, avoid calling with 'services' == NODE_NONE, unless
202     * state-specific flags must absolutely be avoided. When called with
203     * 'services' == NODE_NONE, the returned desirable service flags are
204     * guaranteed to not change dependent on state - ie they are suitable for
205     * use when describing peers which we know to be desirable, but for which
206     * we do not have a confirmed set of service flags.
207    */
208    virtual ServiceFlags GetDesirableServiceFlags(ServiceFlags services) const = 0;
209};
210
211#endif // BITCOIN_NET_PROCESSING_H
212

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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