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Merge bitcoin/bitcoin#25314: p2p: always set nTime for self-advertisements

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99b9e5f3a9fa29bbc1e45fc958470fbcc207ef23 p2p: always set nTime for self-advertisements (Martin Zumsande)

Pull request description:

  This logic was recently changed in 0cfc0cd322 to overwrite `addrLocal` with the address they gave us when self-advertising to an inbound peer. But if we don't also change `nTime` again from the default `TIME_INIT`, our peer will not relay our advertised address any further.

ACKs for top commit:
  naumenkogs:
    ACK 99b9e5f3a9fa29bbc1e45fc958470fbcc207ef23
  laanwj:
    Code review ACK 99b9e5f3a9fa29bbc1e45fc958470fbcc207ef23
  vasild:
    ACK 99b9e5f3a9fa29bbc1e45fc958470fbcc207ef23

Tree-SHA512: 4c7ea51cc77ddaa4b3537962ad2ad085f7ef5322982d3b1f5baecb852719eb99dd578436ca63432cb6b0a4fbd8b59fca793caf326c4663a4d6f34301e8146aa2
This commit is contained in:
laanwj 2022-06-21 23:55:37 +02:00 committed by pasta
parent c2b3f4b62f
commit 1221f45a9c
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GPG Key ID: 52527BEDABE87984
2 changed files with 6 additions and 3 deletions
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2
src/net.cpp
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@ -273,7 +273,7 @@ std::optional<CAddress> GetLocalAddrForPeer(CNode *pnode)
if (pnode->IsInboundConn()) {
// For inbound connections, assume both the address and the port
// as seen from the peer.
addrLocal = CAddress{pnode->GetAddrLocal(), addrLocal.nServices};
addrLocal = CAddress{pnode->GetAddrLocal(), addrLocal.nServices, addrLocal.nTime};
} else {
// For outbound connections, assume just the address as seen from
// the peer and leave the port in `addrLocal` as returned by

7
src/test/net_tests.cpp
View File

@ -676,10 +676,13 @@ BOOST_AUTO_TEST_CASE(get_local_addr_for_peer_port)
const uint16_t bind_port = 20001;
m_node.args->ForceSetArg("-bind", strprintf("3.4.5.6:%u", bind_port));
const uint32_t current_time = static_cast<uint32_t>(GetAdjustedTime());
SetMockTime(current_time);
// Our address:port as seen from the peer, completely different from the above.
in_addr peer_us_addr;
peer_us_addr.s_addr = htonl(0x02030405);
const CAddress peer_us{CService{peer_us_addr, 20002}, NODE_NETWORK};
const CAddress peer_us{CService{peer_us_addr, 20002}, NODE_NETWORK, current_time};
// Create a peer with a routable IPv4 address (outbound).
in_addr peer_out_in_addr;
@ -700,7 +703,7 @@ BOOST_AUTO_TEST_CASE(get_local_addr_for_peer_port)
// Without the fix peer_us:8333 is chosen instead of the proper peer_us:bind_port.
auto chosen_local_addr = GetLocalAddrForPeer(&peer_out);
BOOST_REQUIRE(chosen_local_addr);
const CService expected{peer_us_addr, bind_port};
const CAddress expected{CService{peer_us_addr, bind_port}, NODE_NETWORK, current_time};
BOOST_CHECK(*chosen_local_addr == expected);
// Create a peer with a routable IPv4 address (inbound).