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gitlab.com/tangerine-network/tangerine-consensus
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* dex: remove node table
Node table is not so useful, go back to rely on kademlia
* p2p: fix direct dial still have resolve delay
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* Send non-finalized blocks to notary set only
* Update randomness field for blocks in cache upon receiving agreement
result
* Filter AgreementResult by its position
* Avoid overwriting finalized blocks with non-finalized ones
* Add blocks to finalized cache when pulling
* Update to finalized cache when we have corresponding element in
non-finalized one.
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* vendor: sync to latest core
* core: merge notarySet and dkgSet
* dex: optimize network traffic for finalized block
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* dex: backport f6193ad
* dex/downloader: backport accc0fa accc0fab 174083c3
* dex: backport 434dd5b
* dex: backport 42a914a 0983d02
* dex: backport 48b70ec 31b3334 and some modification
* dex/downloader: backport 5f251a6
* dex/downloader: backport 81c3dc7
* dex, dex/downloader: fix typos
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Our network topology is different from ethereum, the nodes in notary set will
connect each other directly. So there is a waste for flooding tx msgs
in notary set. And nodes in notary set are more likely to propose block
successfully, it is not useful to broadcast tx msgs to non notary set
nodes.
This PR will increase some tx confirm latency, but can reduce waste tx
msgs a lot.
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Fill in dmoment as genesis block timestamp. This allow us to remove
dMoment check from protocol handshake since genesis block hash itself
will protect us against different dMoment.
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* dex: priority select on vote
* More aggressive priority for vote
* collect all queuedVotes
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* vendor: sync to latest core
* fix for single chain
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* dex: improve some msg propagation
* dex: support send a batch of lattice blocks, votes, randomnesses
To reduce msgs number of PullBlocks, PullVotes, PullRandomness
* dex: minor improvement
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* dex: Add a flag to GetBlockHeadersMsg and GetBlockBodiesMsg
So that we can dispatch the response msg to fetcher or downloader
easily.
* fixup! dex: Add a flag to GetBlockHeadersMsg and GetBlockBodiesMsg
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* p2p: try resolving direct dial when dial fail
* dex: avoid concurrent map read and map write
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* p2p, dex: rework connection management
* dex: refresh our node record periodically
* dex: don't send new record event if no new record
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* vendor: sync to latest core
* dex: Add PullRandomness
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In dexon, we don't "mine" and the blockchain won't and shouldn't fork, so
there is no difficulty concept, just replace it with block number.
Note: this commit only replace total difficulty related logic and code
in dex, dex/downloader package.
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We need governance state to verify block's signature (randomness),
but in ethereum fast sync mode, eth downloader only downloads the whole
state of pivot block, so we don't have governance state to verify the
downloaded block that is before pivot block if we don't processing
transaction.
To avoid running transactions, dex downloader also downloads the
governance state (merkle proof and storage) at snapshot height of each round,
so that we can verify blocks in fast sync mode.
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* dex: Add a tx queue in broadcast
* Modify queue parameter
* Priority select all messages except tx
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BuildConnection builds notary and dkg connections together
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- Let p2p server support direct connection and group connection.
- Introduce node meta table to maintain IP of all nodes in node set,
in memory and let nodes in the network can sync this table.
- Let peerSet able to manage direct connections to notary set and dkg set.
The mechanism to refresh the network topology when configuration round
change is not done yet.
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