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Block syncing / announcement for AlphaNet #640

merged 6 commits into from Mar 2, 2019


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ilblackdragon commented Mar 1, 2019

Adding channeling for block importing / block announcement.
Integration test to excerising importing/announcment

Adding channeling for block importing / block announcement. Integrati…
…on test to excerising importing/announcment

@ilblackdragon ilblackdragon requested a review from mfornet Mar 1, 2019

mfornet and others added some commits Mar 1, 2019

_ => panic!("Should produce block"),
let (beacon_block, shard_block) =
match alice.client.try_produce_block(1, ChainPayload::default()) {

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mfornet Mar 2, 2019


To producing a block we also need to add evidence that consensus was achieved in this block (and in the state). But we will add the evidence after consensus is really achieved so that blocks are only accepted if they have correct proofs (Consensus on the proposal and on the new state).


mfornet approved these changes Mar 2, 2019

@mfornet mfornet merged commit 707f332 into master Mar 2, 2019

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ci/gitlab/block_importing Pipeline running on GitLab

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nearmax commented Mar 9, 2019

We need a separate PR to finalize block syncing as a feature. Right now block syncing happens optimistically -- we just hope that announcements are enough, which they are not. E.g. if some peer falls behind too much it will not be able to catch-up because we do not have pro-active/reactive block fetching.

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