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Merge bitcoin/bitcoin#27114: p2p: Allow whitelisting manual connections

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0a533613fb docs: add release notes for #27114 (brunoerg)
e6b8f19de9 test: add coverage for whitelisting manual connections (brunoerg)
c985eb854c test: add option to speed up tx relay/mempool sync (brunoerg)
66bc6e2d17 Accept "in" and "out" flags to -whitelist to allow whitelisting manual connections (Luke Dashjr)
8e06be347c net_processing: Move extra service flag into InitializeNode (Luke Dashjr)
9133fd69a5 net: Move `NetPermissionFlags::Implicit` verification to `AddWhitelistPermissionFlags` (Luke Dashjr)
2863d7dddb net: store `-whitelist{force}relay` values in `CConnman` (brunoerg)

Pull request description:

  Revives #17167. It allows whitelisting manual connections. Fixes #9923

  Since there are some PRs/issues around this topic, I'll list some motivations/comments for whitelisting outbound connections from them:
  - Speed-up tx relay/mempool sync for testing purposes (my personal motivation for this) - In #26970, theStack pointed out that we whitelist peers to speed up tx relay for fast mempool synchronization, however, since it applies only for inbound connections and considering the topology `node0 <--- node1 <---- node2 <--- ... <-- nodeN`,  if a tx is submitted from any node other than node0, the mempool synchronization can take quite long.
  - https://github.com/bitcoin/bitcoin/pull/29058#issuecomment-1865155764 - "Before enabling -v2transport by default (which I'd image may happen after https://github.com/bitcoin/bitcoin/pull/24748) we could consider a way to force manual connections to be only-v1 or even only-v2 (disabling reconnect-with-v1). A possibility could be through a net permission flag, if https://github.com/bitcoin/bitcoin/pull/27114 makes it in."
  - https://github.com/bitcoin/bitcoin/pull/17167#issuecomment-1168606032 - "This would allow us to use https://github.com/bitcoin/bitcoin/pull/25355 when making outgoing connections to all nodes, except to whitelisted ones for which we would use our persistent I2P address."
  - Force-relay/mempool permissions for a node you intentionally connected to.

ACKs for top commit:
  achow101:
    ACK 0a533613fb
  sr-gi:
    re-ACK [0a53361](0a533613fb)
  pinheadmz:
    ACK 0a533613fb

Tree-SHA512: 97a79bb854110da04540897d2619eda409d829016aafdf1825ab5515334b0b42ef82f33cd41587af235b3af6ddcec3f2905ca038b5ab22e4c8a03d34f27aebe1
This commit is contained in:
Ava Chow
2024-03-12 12:58:50 -04:00
parent 12dae637a4 0a533613fb
commit bef99176e6
41 changed files with 199 additions and 108 deletions
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5
src/net_processing.cpp
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@@ -1588,6 +1588,11 @@ void PeerManagerImpl::InitializeNode(CNode& node, ServiceFlags our_services)
m_node_states.emplace_hint(m_node_states.end(), std::piecewise_construct, std::forward_as_tuple(nodeid), std::forward_as_tuple(node.IsInboundConn()));
assert(m_txrequest.Count(nodeid) == 0);
}
if (NetPermissions::HasFlag(node.m_permission_flags, NetPermissionFlags::BloomFilter)) {
our_services = static_cast<ServiceFlags>(our_services | NODE_BLOOM);
}
PeerRef peer = std::make_shared<Peer>(nodeid, our_services);
{
LOCK(m_peer_mutex);