| Commit message (Collapse) | Author | Age | Files | Lines |
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Review finding 7, second part: a record carried into a new epoch whole
(proposal and decision in one change) was taken from any member, for
any remake ID. A member could write a forged record, decision included,
for a fresh ID in a single change.
The snapshot's epoch metadata now names the remake's coordinator, as
the quorum built it. The carried-record exception holds only in a
later epoch, only for the remake that made it, and only from the
coordinator its snapshot names, where there is no record yet. Wire
version 43: the snapshot, and so the epoch ID, changes.
The review suggested carrying the record inside the snapshot instead.
The snapshot can't hold the decision, which names the snapshot's own
hash. So the snapshot vouches for who may carry the record instead.
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A node refusing changes a peer brought tells it which broke a rule; the
peer judges them itself, and if its rules refuse them too, drops them
with all built on them (its document forked without them, a fresh
actor), quarantining its own writes among them. Wire version 42.
Auth plan M6 (rejoin on taint).
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Signatures no sync message took go on their own within a second, to
each peer not sent them yet (wire version bumped).
Auth plan M5.
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Sync messages carry, for each actor's writes, the latest signature the
sender checked; the receiver checks it once it holds the change.
Auth plan M5.
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The dashboard reads every member's links from the members themselves;
LINKS and LINKS_REPLY, swarm::links and their wire tags go (wire
version bumped). Nodes the browser can't reach are drawn from what the
reachable ones measure.
Auth plan M3.
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Introduce two new wire messages, LINKS and LINKS_REPLY (swarm::links).
A member answers with its links: for each peer, the transport, whether
it’s relayed, the RTT, and whether it’s dormant. It answers members
only, at most every 5 s. This bumps wire::VERSION to 7. Every build
answers, with or without the feature, so every node needs this patch
before the map shows anything beyond its own node.
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Sync messages are now being decoded only where they are applied: after
membership has been checked, in the sync lane's blocking task.
Debug now shows only the size instead of the whole message.
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When there are more than 32 heads that can be send in a single keepalive
message, the digest is accompanied by 32 heads, a different window each
time, so after a few keepalives every head has been listed.
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