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Let Non validators gossip QBFT messages #8562

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@pullurib pullurib commented Apr 17, 2025

PR description

Today QBFT traffic is only gossiped by other validators

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A chain configured without direct connectivity between validators won’t produce new blocks

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Gossiping between non-validators allows more control over the way nodes are deployed and interconnected

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  • Provides more flexibility for different Besu node topologies
  • Enables non validators to gossip QBFT messages so that validators peered through non validators can participate in consensus.
  • This would let the edge nodes in a network to be non validators .
  • Code changes
    • Moved Peerconnection tracking and all peer multicast to Peers class
    • Most of file changes are refactoring ValidatorMulticaster to PeerMulticaster

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