wip: genesis tests #367
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wip: genesis tests #367
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Co-authored-by: Torsten Schmits <git@tryp.io>
Niols
added
do-not-merge
Genesis
Make CI happy.
We create a new module `Ouroboros.Network.AnchoredFragment.Extras` in `infra-test` that contains (for now) only the implementation of `slotLength`. We remove the implementation from `BlockTree` and we use the new location in `GenesisTest`.
`PeerSimulator.ScheduledChainSyncServer` now only implements the boilerplate of fetching the next item from an STM action (the queue) and maintaining it as shared state between the handlers, in a `ChainSyncServer`. `PeerSimulator.Handlers` contains the logic that determines the intersection and next header from the block tree. `PeerSimulator.Run` contains only the scheduler, operating on the minimal set of resources. `PeerSimulator.Resources` contains the data types and resource acquisition constructors.
- New module `Test.Ouroboros.Consensus.Genesis.Setup` - Move `genChains` from its own module to `Genesis.Setup` - Move `TestSetup`-related code from `LongRangeAttack` to `Genesis.Setup`
Two bits of it still mattered: - `defaultCfg` moves to its own file `PeerSimulator.Config` - `ConnectionThread` moves to `PeerSimulator.Run`
- `PointSchedule` now contains a `NonEmpty Tick` which guarantees at least one tick and therefore access to the list of peers. - Get rid of fragments in both `AdvertisedPoints` and `PointSchedule`. - Cleanup imports of the `PointSchedule` module
…ulator Refactors some parts of ChainGenerator to be reused by PeerSimulator Creates individual functions for the steps involved and removes most of the general logic from the property test Co-authored-by: Nicolas Jeannerod <nicolas.jeannerod@tweag.io> Co-authored-by: Facundo Dominguez <facundo.dominguez@tweag.io>
Also move the two `Extras` modules into `Test.Consensus.*`. Co-authored-by: Torsten Schmits <torsten.schmits@tweag.io>
…ble and disable them in our test
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All the commits here have been squashed in #434 |
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This PR introduces an initial implementation of a Peer Simulator for Genesis tests. A simulated peer is told how to behave by a list of scheduled events that is generated for every test. In essence, it is an implementation of a ChainSync server and a BlockFetch server that behave as prescribed by the schedule. The rest of the PR provides support infrastructure in the form of: * a Praos client node that plays the role of subject under test, * an example test for long range attacks, and * minimal definitions to generate a schedule from the chain schemas introduced in #240. This is a squash of the many commits in the integration branch of #367.
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