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rpcserver: check blockbeatDispatcher when deciding isSynced #9501

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merged 3 commits into from
Feb 13, 2025

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This PR changes GetInfo to include blockbeatDispatcher's current state when deciding whether the system is synced to chain. Previously we check the best height against the wallet and the channel graph, we should also do this to the blockbeat dispatcher to make sure the internal consumers are also synced to the best block.

I think this also fixes a few itest flakes due to blocks being mined too fast and the subsystems are not in sync, such as #9486.

@yyforyongyu yyforyongyu added code health Related to code commenting, refactoring, and other non-behaviour improvements chain handling flake fix size/micro small bug fix or feature, less than 15 mins of review, less than 250 labels Feb 11, 2025
@yyforyongyu yyforyongyu added this to the v0.19.0 milestone Feb 11, 2025
@yyforyongyu yyforyongyu self-assigned this Feb 11, 2025
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@yyforyongyu yyforyongyu changed the title Getinfo blockheight rpcserver: check blockbeatDispatcher when deciding isSynced Feb 11, 2025
@yyforyongyu
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There's a flake in the itest which will be fixed in #9448.

Add a new method `CurrentHeight` to query the current best height of the
dispatcher.
This commit changes `GetInfo` to include `blockbeatDispatcher`'s current
state when deciding whether the system is synced to chain. Previously we
check the best height against the wallet and the channel graph, we
should also do this to the blockbeat dispatcher to make sure the
internal consumers are also synced to the best block.
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@guggero guggero left a comment

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Nice, LGTM 🎉

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@ellemouton ellemouton left a comment

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very nice!

@guggero guggero merged commit d5ac05c into lightningnetwork:master Feb 13, 2025
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@yyforyongyu yyforyongyu deleted the getinfo-blockheight branch February 13, 2025 12:16
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3 participants