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- changes in `Iroha` instances like new `ChangeBlockBuildStepTime`
- `AddPeer` instruction will add new peer to WSV:Peer:Peers
- `ShareNewBlock` event can trigger new block propagation to peers from WSV:Peer:Peers
- `Vote` can be implemented as Instruction
Open Questions
- When Peers send accepted transactions
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- ? Right after acceptance
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- or each tick of Block Build Step
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- What is the difference between Block commit message handling and Block synchronization
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- How to update configuration which requires instance reloading (new address, etc)