* Only send one collation per relay parent at a time to validators
This changes the way we are sending collations to validators. Before we
answered every collation request immediatley. Now we only answer one
pov request at a time per relay parent. This should bring down the
bandwidth requirements and should help parachains to include bigger
blocks more easily.
* Guide updates
* Review feedback.
* Dispute distribution initial design.
* WIP.
* Dispute distribution guide update.
* Make invalid statement include `InvalidStatementKind`.
* Clarify the scope of disputes.
* A few fixes + introduced back pressure oneshot.
* Fixes and spam protection WIP.
* More spam considerations.
* More fixes.
* Fixes + add note about not dispute participating nodes.
* Only fetch one collation at a time per relay parent
Before a validator would fetch all collations that were advertised to
him. This pr changes the behavior to always just fetch one collation at
a time. If fetching fails, the validator will start fetching one of the
other collations.
* Use enum to be more explicit
* Review comments
* crate skeleton and type definitions
* add ChainSelectionMessage
* add error type
* run loop
* fix overseer
* simplify determine_new_blocks API
* write an overlay struct and fetch new blocks
* add new function to overlay
* more flow
* add leaves to overlay and add a strong type around leaves-set
* add is_parent_viable
* implement block import, ignoring reversions
* add stagnant-at to overlay
* add stagnant
* add revert consensus log
* flow for reversions
* extract and import block reversions
* recursively update viability
* remove redundant parameter from WriteBlockEntry
* do some removal of viable leaves
* address grumbles
* refactor
* address grumbles
* add comment about non-monotonicity
* extract backend to submodule
* begin the hunt for viable leaves
* viability pivots for updating the active leaves
* remove LeafSearchFrontier
* partially -> explicitly viable and untwist some booleans
* extract tree to submodule
* implement block finality update
* Implement block approval routine
* implement stagnant detection
* ensure blocks pruned on finality are removed from the active leaves set
* write down some planned test cases
* floww
* leaf loading
* implement best_leaf_containing
* write down a few more tests to do
* remove dependence of tree on header
* guide: ChainApiMessage::BlockWeight
* node: BlockWeight ChainAPI
* fix compile issue
* note a few TODOs for the future
* fetch block weight using new BlockWeight ChainAPI
* implement unimplemented
* sort leaves by block number after weight
* remove warnings and add more TODOs
* create test module
* storage for test backend
* wrap inner in mutex
* add write waker query to test backend
* Add OverseerSignal -> FromOverseer conversion
* add test harnes
* add no-op test
* add some more test helpers
* the first test
* more progress on tests
* test two subtrees
* determine-new-blocks: cleaner genesis avoidance and tighter ancestry requests
* don't make ancestry requests when asking for one block
* add a couple more tests
* add to AllMessages in guide
* remove bad spaces from bridge
* compact iterator
* test import with gaps
* more reversion tests
* test finalization pruning subtrees
* fixups
* test clobbering and fix bug in overlay
* exhaustive backend state after finalizaiton tested
* more finality tests
* leaf tests
* test approval
* test ChainSelectionMessage::Leaves thoroughly
* remove TODO
* avoid Ordering::is_ne so CI can build
* comment algorithmic complexity
* Update node/core/chain-selection/src/lib.rs
Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
* skeleton for dispute-coordinator
* add coordinator and participation message types
* begin dispute-coordinator DB
* functions for loading
* implement strongly-typed DB transaction
* add some tests for DB transaction
* core logic for pruning
* guide: update candidate-votes key for coordinator
* update candidate-votes key
* use big-endian encoding for session, and implement upper bound generator
* finish implementing pruning
* add a test for note_current_session
* define state of the subsystem itself
* barebones subsystem definition
* control flow
* more control flow
* implement session-updating logic
* trace
* control flow for message handling
* Update node/core/dispute-coordinator/src/lib.rs
Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>
* Update node/subsystem/src/messages.rs
Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>
* some more control flow
* guide: remove overlay
* more control flow
* implement some DB getters
* make progress on importing statements
* add SignedDisputeStatement struct
* move ApprovalVote to shared primitives
* add a signing-payload API to explicit dispute statements
* add signing-payload to CompactStatement
* add relay-parent hash to seconded/valid dispute variatns
* correct import
* type-safe wrapper around dispute statements
* use checked dispute statement in message type
* extract rolling session window cache to subsystem-util
* extract session window tests
* approval-voting: use rolling session info cache
* reduce dispute window to match runtime in practice
* add byzantine_threshold and supermajority_threshold utilities to primitives
* integrate rolling session window
* Add PartialOrd to CandidateHash
* add Ord to CandidateHash
* implement active dispute update
* add dispute messages to AllMessages
* add dispute stubs to overseer
* inform dispute participation to participate
* implement issue_local_statement
* implement `determine_undisputed_chain`
* fix warnings
* test harness for dispute coordinator tests
* add more helpers to test harness
* add some more helpers
* some tests for dispute coordinator
* ignore wrong validator indices
* test finality voting rule constraint
* add more tests
* add variants to network bridge
* fix test compilation
* remove most dispute coordinator functionality
as of #3222 we can do most of the work within the approval voting subsystem
* Revert "remove most dispute coordinator functionality"
This reverts commit 9cd615e8eb6ca0b382cbaff525d813e753d6004e.
* Use thiserror
Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
* Update node/core/dispute-coordinator/src/lib.rs
Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
* extract tests to separate module
* address nit
* adjust run_iteration API
Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>
Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
* Create validator_side module
* Subsume Candidate Selection
* Add test to ensure candidate backing logic is correct
* Ensure secondings are adequately cleaned up and address test flakyness
* Address Feedback
* guide: reversion safety
* guide: manage reversion safety in subsystems
* add leaf status to ActivatedLeaf
* add an LRU-cache to overseer for staleness detection
* update ActivatedLeaf usages in tests to contain status field
* add variant where missed accidentally
* add some helpers to LeafStatus
* address grumbles
* State can be finished due to `Share` message.
Therefoe a task can still be running in that state. Removed panic and
changed state name to reflect possibility of `Share` message.
* bump spec versions in kusama, polkadot and westend again III
* properly bump for the upcoming release
Co-authored-by: Andronik Ordian <write@reusable.software>
* Remove signature verification in backing.
`SignedFullStatement` now signals that the signature has already been
checked.
* Remove unused check_payload function.
* Introduced unchecked signed variants.
* Fix inclusion to use unchecked variant.
* More unchecked variants.
* Use unchecked variants in protocols.
* Start fixing statement-distribution.
* Fixup statement distribution.
* Fix inclusion.
* Fix warning.
* Fix backing properly.
* Fix bitfield distribution.
* Make crypto store optional for `RuntimeInfo`.
* Factor out utility functions.
* get_group_rotation_info
* WIP: Collator cleanup + check signatures.
* Convenience signature checking functions.
* Check signature on collator-side.
* Fix warnings.
* Fix collator side tests.
* Get rid of warnings.
* Better Signed/UncheckedSigned implementation.
Also get rid of Encode/Decode for Signed! *party*
* Get rid of dead code.
* Move Signed in its own module.
* into_checked -> try_into_checked
* Fix merge.
* Factor out runtime module into utils.
* First fatal error design.
* Better error handling infra.
* Error handling cleanup.
* Send to peers of our group first.
* Finish backing group prioritization.
* Little cleanup.
* More cleanup.
* Forgot to checkin error.rs.
* Notes.
* Runtime -> RuntimeInfo
* qed in debug assert.
* PolkaErr -> Fault.
* Simplify some Option / Result / ? operator patterns
When they identically match a combinator on those types.
Tool-aided by [comby-rust](https://github.com/huitseeker/comby-rust).
* adjust review comments
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
* Factor out runtime module into utils.
* Add maybe_authority information to `PeerConnected` event.
We already gather this information in authority discovery, so we might
as well share it with others.
This opens up an easy path to trigger validators differently from normal
nodes, e.g. for prioritization. This change has become more important
now, that we just connect to all validators and therefore just have a
long peer list without any information about those nodes.
* Test fix.
* More test coverage.
* Preserve peer order.
* Better test coverage.
* Even more test coverage.
* Add doc comment to `IndexMap`.
* Fix flaky test.
* Review remarks.
* Review remarks.
Bastian Köcher