Merge #17428: p2p: Try to preserve outbound block-relay-only connecti…

Merge #17428: p2p: Try to preserve outbound block-relay-only connections during restart

a490d074b3491427afbd677f5fa635b910f8bb34 doc: Add anchors.dat to files.md (Hennadii Stepanov)
0a85e5a7bc8dc6587963e2e37ac1b087a1fc97fe p2p: Try to connect to anchors once (Hennadii Stepanov)
5543c7ab285e90256cbbf9858249e028c9611cda p2p: Fix off-by-one error in fetching address loop (Hennadii Stepanov)
4170b46544231e7cf1d64ac3baa314083be37502 p2p: Integrate DumpAnchors() and ReadAnchors() into CConnman (Hennadii Stepanov)
bad16aff490dcf87722fbfe202a869fb24c734e1 p2p: Add CConnman::GetCurrentBlockRelayOnlyConns() (Hennadii Stepanov)
c29272a157d09a8125788c1b860e89b63b4cb36c p2p: Add ReadAnchors() (Hennadii Stepanov)
567008d2a0c95bd972f4031f31647c493d1bc2e8 p2p: Add DumpAnchors() (Hennadii Stepanov)

Pull request description:

  This is an implementation of #17326:
  - all (currently 2) outbound block-relay-only connections (#15759) are dumped to `anchors.dat` file
  - on restart a node tries to connect to the addresses from `anchors.dat`

  This PR prevents a type of eclipse attack when an attacker exploits a victim node restart to force it to connect to new, probably adversarial, peers.

ACKs for top commit:
  jnewbery:
    code review ACK a490d074b3
  laanwj:
    Code review ACK a490d074b3491427afbd677f5fa635b910f8bb34

Tree-SHA512: 0f5098a3882f2814be1aa21de308cd09e6654f4e7054b79f3cfeaf26bc02b814ca271497ed00018d199ee596a8cb9b126acee8b666a29e225b08eb2a49b02ddd

情報元 - Merge #17428: p2p: Try to preserve outbound block-relay-only connecti… · bitcoin/[email protected] · GitHub

Merge #17428: p2p: Try to preserve outbound block-relay-only connecti… · bitcoin/bitcoin@9855422 · GitHub
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