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

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

6,970 bytes · SHA-256 08af82dc91d54c84… · View upstream ↗

1// Copyright (c) 2023-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <chainparams.h>
6#include <compat/compat.h>
7#include <net.h>
8#include <net_processing.h>
9#include <netaddress.h>
10#include <netbase.h>
11#include <netgroup.h>
12#include <node/connection_types.h>
13#include <node/protocol_version.h>
14#include <protocol.h>
15#include <random.h>
16#include <test/util/logging.h>
17#include <test/util/net.h>
18#include <test/util/random.h>
19#include <test/util/setup_common.h>
20#include <tinyformat.h>
21#include <util/chaintype.h>
22
23#include <algorithm>
24#include <cstdint>
25#include <memory>
26#include <optional>
27#include <string>
28#include <vector>
29
30#include <boost/test/unit_test.hpp>
31
32struct LogIPsTestingSetup : public TestingSetup {
33    LogIPsTestingSetup()
34        : TestingSetup{ChainType::MAIN, {.extra_args = {"-logips"}}} {}
35};
36
37BOOST_FIXTURE_TEST_SUITE(net_peer_connection_tests, LogIPsTestingSetup)
38
39static CService ip(uint32_t i)
40{
41    struct in_addr s;
42    s.s_addr = i;
43    return CService{CNetAddr{s}, Params().GetDefaultPort()};
44}
45
46struct PeerTest : LogIPsTestingSetup {
47/** Create a peer and connect to it. If the optional `address` (IP/CJDNS only) isn't passed, a random address is created. */
48void AddPeer(NodeId& id, std::vector<CNode*>& nodes, PeerManager& peerman, ConnmanTestMsg& connman, ConnectionType conn_type, bool onion_peer = false, std::optional<std::string> address = std::nullopt)
49{
50    CAddress addr{};
51
52    if (address.has_value()) {
53        addr = CAddress{MaybeFlipIPv6toCJDNS(LookupNumeric(address.value(), Params().GetDefaultPort())), NODE_NONE};
54    } else if (onion_peer) {
55        auto tor_addr{m_rng.randbytes(ADDR_TORV3_SIZE)};
56        BOOST_REQUIRE(addr.SetSpecial(OnionToString(tor_addr)));
57    }
58
59    while (!addr.IsLocal() && !addr.IsRoutable()) {
60        addr = CAddress{ip(m_rng.randbits(32)), NODE_NONE};
61    }
62
63    BOOST_REQUIRE(addr.IsValid());
64
65    const bool inbound_onion{onion_peer && conn_type == ConnectionType::INBOUND};
66
67    nodes.emplace_back(new CNode{++id,
68                                 /*sock=*/nullptr,
69                                 addr,
70                                 /*nKeyedNetGroupIn=*/0,
71                                 /*nLocalHostNonceIn=*/0,
72                                 CAddress{},
73                                 /*addrNameIn=*/"",
74                                 conn_type,
75                                 /*inbound_onion=*/inbound_onion,
76                                 /*network_key=*/0});
77    CNode& node = *nodes.back();
78    node.SetCommonVersion(PROTOCOL_VERSION);
79
80    peerman.InitializeNode(node, ServiceFlags(NODE_NETWORK | NODE_WITNESS));
81    node.fSuccessfullyConnected = true;
82
83    connman.AddTestNode(node);
84}
85}; // struct PeerTest
86
87BOOST_FIXTURE_TEST_CASE(test_addnode_getaddednodeinfo_and_connection_detection, PeerTest)
88{
89    auto connman = std::make_unique<ConnmanTestMsg>(0x1337, 0x1337, *m_node.addrman, *m_node.netgroupman, Params());
90    auto peerman = PeerManager::make(*connman, *m_node.addrman, nullptr, *m_node.chainman, *m_node.mempool, *m_node.warnings, {});
91    NodeId id{0};
92    std::vector<CNode*> nodes;
93
94    // Connect a localhost peer.
95    {
96        ASSERT_DEBUG_LOG("Added connection to 127.0.0.1:8333 peer=1");
97        AddPeer(id, nodes, *peerman, *connman, ConnectionType::MANUAL, /*onion_peer=*/false, /*address=*/"127.0.0.1");
98        BOOST_REQUIRE(nodes.back() != nullptr);
99    }
100
101    // Call ConnectNode(), which is also called by RPC addnode onetry, for a localhost
102    // address that resolves to multiple IPs, including that of the connected peer.
103    // The connection attempt should consistently fail due to the check in ConnectNode().
104    for (int i = 0; i < 10; ++i) {
105        ASSERT_DEBUG_LOG("Not opening a connection to localhost, already connected to 127.0.0.1:8333");
106        BOOST_CHECK(!connman->ConnectNodePublic(*peerman, "localhost", ConnectionType::MANUAL));
107    }
108
109    // Add 3 more peer connections.
110    AddPeer(id, nodes, *peerman, *connman, ConnectionType::OUTBOUND_FULL_RELAY);
111    AddPeer(id, nodes, *peerman, *connman, ConnectionType::BLOCK_RELAY, /*onion_peer=*/true);
112    AddPeer(id, nodes, *peerman, *connman, ConnectionType::INBOUND);
113
114    // Add a CJDNS peer connection.
115    AddPeer(id, nodes, *peerman, *connman, ConnectionType::INBOUND, /*onion_peer=*/false,
116            /*address=*/"[fc00:3344:5566:7788:9900:aabb:ccdd:eeff]:1234");
117    BOOST_CHECK(nodes.back()->IsInboundConn());
118    BOOST_CHECK_EQUAL(nodes.back()->ConnectedThroughNetwork(), Network::NET_CJDNS);
119
120    BOOST_TEST_MESSAGE("Call AddNode() for all the peers");
121    for (auto node : connman->TestNodes()) {
122        BOOST_CHECK(connman->AddNode({/*m_added_node=*/node->addr.ToStringAddrPort(), /*m_use_v2transport=*/true}));
123        BOOST_TEST_MESSAGE(strprintf("peer id=%s addr=%s", node->GetId(), node->addr.ToStringAddrPort()));
124    }
125
126    BOOST_TEST_MESSAGE("\nCall AddNode() with 2 addrs resolving to existing localhost addnode entry; neither should be added");
127    BOOST_CHECK(!connman->AddNode({/*m_added_node=*/"127.0.0.1", /*m_use_v2transport=*/true}));
128    // OpenBSD doesn't support the IPv4 shorthand notation with omitted zero-bytes.
129#if !defined(__OpenBSD__)
130    BOOST_CHECK(!connman->AddNode({/*m_added_node=*/"127.1", /*m_use_v2transport=*/true}));
131#endif
132
133    BOOST_TEST_MESSAGE("\nExpect GetAddedNodeInfo to return expected number of peers with `include_connected` true/false");
134    BOOST_CHECK_EQUAL(connman->GetAddedNodeInfo(/*include_connected=*/true).size(), nodes.size());
135    BOOST_CHECK(connman->GetAddedNodeInfo(/*include_connected=*/false).empty());
136
137    // Test AddedNodesContain()
138    for (auto node : connman->TestNodes()) {
139        BOOST_CHECK(connman->AddedNodesContain(node->addr));
140    }
141    AddPeer(id, nodes, *peerman, *connman, ConnectionType::OUTBOUND_FULL_RELAY);
142    BOOST_CHECK(!connman->AddedNodesContain(nodes.back()->addr));
143
144    BOOST_TEST_MESSAGE("\nPrint GetAddedNodeInfo contents:");
145    for (const auto& info : connman->GetAddedNodeInfo(/*include_connected=*/true)) {
146        BOOST_TEST_MESSAGE(strprintf("\nadded node: %s", info.m_params.m_added_node));
147        BOOST_TEST_MESSAGE(strprintf("connected: %s", info.fConnected));
148        if (info.fConnected) {
149            BOOST_TEST_MESSAGE(strprintf("IP address: %s", info.resolvedAddress.ToStringAddrPort()));
150            BOOST_TEST_MESSAGE(strprintf("direction: %s", info.fInbound ? "inbound" : "outbound"));
151        }
152    }
153
154    BOOST_TEST_MESSAGE("\nCheck that all connected peers are correctly detected as connected");
155    for (const auto& node : connman->TestNodes()) {
156        BOOST_CHECK(connman->AlreadyConnectedToAddressPublic(node->addr));
157    }
158
159    // Clean up
160    for (auto node : connman->TestNodes()) {
161        peerman->FinalizeNode(*node);
162    }
163    connman->ClearTestNodes();
164}
165
166BOOST_AUTO_TEST_SUITE_END()
167

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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