refactor: simplify architecture of quorum observer and quorum participant#7247

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knst wants to merge 18 commits intodashpay:developfrom

knst:refactor-llmq-observer-parent

Commits on Mar 31, 2026

refactor: quorum members: remove QuorumObserverParent; participant is no more child of 'observer'
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refactor: merge QuorumObserver and ObserverContext classes to the one entity to reduce amount of abstractions
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refactor: remove QuorumRoleBase by moving its functionality directly to QuorumRole
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refactor: rename src/llmq/observer/context to src/llmq/observer
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refactor: inline QuorumParticipant to ActiveContext
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refactor: remove multiple friends of CDKGSession
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fix: parameter 'params' shadows member inherited from type 'CDKGSession' [-Werror,-Wshadow-field]
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refactor: remove duplicated code between QuorumRole's UpdatedBlockTip and InitializeQuorumConnections
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refactor: it's always either observer_ctx or active_ctx, not both created together
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refactor: move out network code to new NetQuorum from CQuorumManager
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refactor: remove net related code ProcessContribQGETDATA and ProcessContribQDATA to NetQuorum
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refactor: drop argument request_limit_exceeded in ProcessContribQGETDATA
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Commits on Apr 1, 2026

Commits on Apr 8, 2026

fix: defer full InitializeCurrentBlockTip broadcast on masternodes

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knst
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fix: guard GetProTxHash() behind is_masternode check, add CQuorum safety assert

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knst
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Commits on Apr 16, 2026

fix: replay startup tip into ActiveContext/ObserverContext

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knst
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doc: clarify masternode late InitializeCurrentBlockTip comment

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knst
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