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* Rename blockdb package to db
* Rename 'BlockDB' to 'DB'
* Make all methods in db specific for ''block'.
* Rename db.BlockDatabase to db.Database
* Rename revealer to block-revealer
* Rename test.Revealer to test.BlockRevealer
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Besides making core.Lattice supports config change,
This PR also include the first test for below scenario:
- Configuration changes are registered before test
running
- Those changes are carried/broadcasted as payload
of blocks
- Only one node would initiate these changes, however,
all nodes would finally receive/apply those changes
to their own test.Governance instance.
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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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* Refine the initial value for empty time slot.
* Fix DATA RACE
netowrkConnection is reset for each test,
however, our Consensus instance is not
stopped after one test is finished, they
might continue use network interface for
a while.
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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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The purpose of transport layer is to abstract the way to send messages and setup connections between peers in a p2p network. The peer discovery is simulated by a hosted server: every peer sends its address to a known server. Once collecting enough peers, respond the whole peers lists to all peers.
Changes:
- Add test.Trasnport interface
- Add test.Transport implementation by golang channel.
- Add test.transport implementation by TCP connection.
- Move LatencyModel to core/test package
- Add Marshaller interface
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- Add new field in test.Event: HistoryIndex
HistoryIndex allow us to access them by their position in event history.
- Record local time in test.App when receiving events.
- Add statisitics module for slices of test.Event.
- add new command line utility *dexcon-simulation-with-scheduler
to verify the execution time of core.Consensus.
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