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* Allow to prohibit DKG changes at governance layer.
* Allow test.App to broadcast RoundEvent
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* core: resetDKG skeleton
* Add Equal test
* Add TestLocal
* Add TestPacking
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* Add gosec to tools
* Run security check to ci
* Fix secrity issues
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* Add type DKGReady
* Add DKGReady to interface and state
* DKG will wait for MPK to be ready before running
* Modify test
* Check if self's MPK is registered
* Add test for delay add MPK
* Rename Ready to MPKReady
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* Broadcast to set of node instead of broadcasting when attaching cache.
* Fix pull blocks
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* Add definition for test.PullRequest
* Cache notary sets for each round in network module
* Cache peers as nodeID in network module.
* Implement pull blocks
* Implement pull vote
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* Move simulation.Network to test package
* Use test.Governance in simulation
* Pack/Apply state request in blocks payload
* Add Governance.SwitchToRemoteMode
This would trigger governance to broadcast
pending state change requests when changes.
* Allow to marshal/unmarshal packedStateChanges
* Attach test.Network and test.State
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* Fix dummy error
* Check validity before apply state changes.
* Add RegisterConfigChange method to test.Governance
* Add SwitchToRemoteMode method to test.State
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* separate test utility and interface implementation
for test.Governance.
* add test.State.
* integrate test.State to test.Governance.
test.State is mainly used to emulate state propagation
on fullnode.
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Since all DKG set members may ProposeCRS, but only one will get through,
we need to be able to tell which round the CRS is intended for in order
to skip CRS submission of the same round.
Also this commit add check to make sure we have enough master public key
when initializing DKGGroupPublicKey.
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* Add a new method to notify full node about round cutting.
* Modify interface to return error when preparing block
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NumWitnessSet is no longer required as we don't have witness set in the
design anymore.
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Also rename the argument name of ProposeCRS.
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* Refine core.Governance interface
- Remove types.NodeID from interface declaration.
- All parameter should be round based.
* Add core.NodeSetCache
* Agreement accepts map of nodeID directly.
* test.Transport.Peers method return public keys.
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1) Remove RoundHeight from config.
2) NotarySet is not from governance contract, we get Node set intead.
Notary set is caculated from the NodeSet using CRS.
3) CRS is not in the governance interface.
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- Move key-holder to authenticator
Make core.keyHolder public as core.Authenticator, it
is not required to make this part an interface.
- Make private when there is no need to go public.
- Fix data race
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A shard is basically DEXON v1 components,
except the strongly acked part, including:
- maintaining lattice structure
- total ordering
- generate consensus timestamp
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Since we have a bunch of static configurations in the governance
contract, instead of using a Get* method for each of them, we instead
implement a GetConfiguration() method to return a structure of the configurations.
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- remove BlockProposingInterval, it's replaced
by lambda.
- remove ticker parameter of NewConsensus,
ticker would be derived from governance.
- leave a backdoor to hook the construction
of ticker.
- move 'Lambda' config from to consensus.
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interface (#110)
Since third party apps will possibly implement their only blockdb class,
it make sense for the interface to be in core.
Also add GetNumShards into the governance interface.
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When simulating execution of core.Consensus by passing packets through golang-channel or real-socket, we need to utilize time.Sleep and time.Now to simulate the required network/proposing latency. It's problematic when we try to test a simulation with long network latency.
Instead, Scheduler would try to execute the event with minimum timestamp, thus time.Sleep is replaced with Scheduler.nextTick, and time.Now is replaced with Event.Time.
Changes:
- Add test.Scheduler.
- Add test.Stopper interface to provide encapsulate different stop conditions for scheduler.
- Add a reference implementation for test.Stopper, it will stop scheduler when all validators confirmed X blocks proposed from themselves.
- Add a test scenario on core.Consensus that all validators are not byzantine.
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