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authorithy-discovery: Make changing of peer-id while active a bit more robust #3786

Merged
merged 58 commits into from
Jul 25, 2024
Merged

authorithy-discovery: Make changing of peer-id while active a bit more robust #3786

merged 58 commits into from
Jul 25, 2024

Commits on Mar 21, 2024

  1. authorithy-discovery: Make changing of peer-id while active a bit mor… 

    …e robust

In the case when nodes don't persist their node-key or they want to
generate a new one while being in the active set, things go wrong
because both the old addresses and the new ones will still be present in
DHT, so because of the distributed nature of the DHT both will survive
in the network untill the old ones expires which is 36 hours.
Nodes in the network will randomly resolve the authorithy-id to the old
address or the new one.

More details in: #3673

This PR proposes we mitigate this problem, by:

1. Let the query for a DHT key retrieve all the results, that is usually
   bounded by the replication factor which is 20, currently we interrupt
   the querry on the first result.
2. Modify the authority-discovery service to keep all the discovered
   addresses around for 24h since they last seen an address.
3. Plumb through other subsystems where the assumption was that an
   authorithy-id will resolve only to one PeerId. Currently, the
   authorithy-discovery keeps just the last record it received from DHT
   and queries the DHT every 10 minutes. But they could always receive
   only the old address, only the new address or a flip-flop between
   them depending on what node wins the race to provide the record
4. Update gossip-support to try resolve authorities more often than
   every session.

This would gives us a lot more chances for the nodes in the networks to
also discover not only the old address of the node but also the new one
and should improve the time it takes for a node to be properly connected
in the network. The behaviour won't be deterministic because there is no
guarantee the all nodes will see the new record at least once, since
they could query only nodes that have the old one.

Signed-off-by: Alexandru Gheorghe <[email protected]>
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    alexggh committed Mar 21, 2024
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Commits on Mar 22, 2024

  1. Make clippy happy 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  2. Fix warnings 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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    alexggh committed Mar 22, 2024
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Commits on Mar 25, 2024

  1. Refactor gossip support 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  2. Merge remote-tracking branch 'origin/master' into fix_change_node_id_… 

    …at_restart
    @alexggh
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  3. Make clippy happy 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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Commits on Apr 1, 2024

  1. Merge remote-tracking branch 'origin/master' into alexaggh/fix_change… 

    …_node_id_at_restart
    @alexggh
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Commits on Apr 3, 2024

  1. Some other hacks 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  2. Add more changes 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  3. More refactoring 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  4. A bit more refactoring 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  5. A few more improvements 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  6. Fixup even more 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  7. Another something 

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  8. Fixup everything 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  9. Post refactoring 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  10. Fixup Cargo's 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  11. Merge remote-tracking branch 'origin/master' into alexaggh/fix_change… 

    …_node_id_at_restart
    @alexggh
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  12. Make clippy happy 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  13. Some minor tweaks 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  14. Minor updates 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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    alexggh committed Apr 3, 2024
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  15. Minor review feedback 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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    alexggh committed Apr 3, 2024
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Commits on Apr 5, 2024

  1. Add authorithy-discovery-unittests 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  2. Add unittest for gossip-support changes 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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Commits on Apr 17, 2024

  1. Merge remote-tracking branch 'origin/master' into alexaggh/fix_change… 

    …_node_id_at_restart

Signed-off-by: Alexandru Gheorghe <[email protected]>
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  2. Simplify indentation levels 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  3. Minor cleanups 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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Commits on Apr 24, 2024

  1. Merge remote-tracking branch 'origin/master' into alexaggh/fix_change… 

    …_node_id_at_restart
    @alexggh
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  2. Update litep2p 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  3. Use put_valut_to from litep2p 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  4. Minor feedback 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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Commits on Apr 25, 2024

  1. Minor changes 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  2. Minor updates 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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Commits on Apr 30, 2024

  1. Integrate with paritytech/litep2p#96 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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Commits on May 1, 2024

  1. Fix warning on quorum failed 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  2. Reconnect only if new peer ids pop-up 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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    alexggh committed May 1, 2024
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Commits on May 2, 2024

  1. Revert kademlia removal 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  2. Merge remote-tracking branch 'origin/master' into alexaggh/fix_change… 

    …_node_id_at_restart
    @alexggh
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  3. Update cargo.lock 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  4. Merge branch 'master' into alexaggh/fix_change_node_id_at_restart

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Commits on May 9, 2024

  1. Merge remote-tracking branch 'origin/master' into alexaggh/fix_change… 

    …_node_id_at_restart
    @alexggh
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Commits on May 12, 2024

  1. Update substrate/client/network/src/litep2p/mod.rs 

    Co-authored-by: Dmitry Markin <[email protected]>
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    alexggh and dmitry-markin authored May 12, 2024
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  2. Update polkadot/node/network/gossip-support/src/tests.rs 

    Co-authored-by: Dmitry Markin <[email protected]>
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    alexggh and dmitry-markin authored May 12, 2024
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  3. Update substrate/client/authority-discovery/src/worker/tests.rs 

    Co-authored-by: Dmitry Markin <[email protected]>
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    alexggh and dmitry-markin authored May 12, 2024
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  4. Update assert messages 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  5. Address review feedback 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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    alexggh committed May 12, 2024
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Commits on May 30, 2024

  1. Use a single signature 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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Commits on Jul 15, 2024

  1. Merge remote-tracking branch 'origin/master' into alexaggh/fix_change… 

    …_node_id_at_restart_v2
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  2. Remove unused 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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Commits on Jul 18, 2024

  1. Update substrate/client/network/src/litep2p/mod.rs 

    Co-authored-by: Dmitry Markin <[email protected]>
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    alexggh and dmitry-markin authored Jul 18, 2024
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  2. Update substrate/client/authority-discovery/src/worker.rs 

    Co-authored-by: Dmitry Markin <[email protected]>
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    alexggh and dmitry-markin authored Jul 18, 2024
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  3. Update substrate/client/authority-discovery/src/worker.rs 

    Co-authored-by: Dmitry Markin <[email protected]>
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    alexggh and dmitry-markin authored Jul 18, 2024
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  4. Update documentation 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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  5. Update substrate/client/authority-discovery/src/worker.rs 

    Co-authored-by: Alexandru Vasile <[email protected]>
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    alexggh and lexnv authored Jul 18, 2024
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  6. Address review feedback 

    Signed-off-by: Alexandru Gheorghe <[email protected]>
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    alexggh committed Jul 18, 2024
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Commits on Jul 23, 2024

  1. Merge remote-tracking branch 'origin/master' into alexaggh/fix_change… 

    …_node_id_at_restart_v3
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  2. Add PrDoc 

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Commits on Jul 25, 2024

  1. Merge branch 'master' into alexaggh/fix_change_node_id_at_restart

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