Crate polkadot_node_primitives

Primitive types used on the node-side.

Unlike the polkadot-primitives crate, these primitives are only used on the node-side, not shared between the node and the runtime. This crate builds on top of the primitives defined there.

Re-exports

• pub use disputes::dispute_is_inactive;
• pub use disputes::CandidateVotes;
• pub use disputes::DisputeMessage;
• pub use disputes::DisputeMessageCheckError;
• pub use disputes::DisputeStatus;
• pub use disputes::InvalidDisputeVote;
• pub use disputes::SignedDisputeStatement;
• pub use disputes::Timestamp;
• pub use disputes::UncheckedDisputeMessage;
• pub use disputes::ValidDisputeVote;
• pub use disputes::ACTIVE_DURATION_SECS;

Modules

• approval
  Types relevant for approval.
• disputes
  Disputes related types.

Macros

• new_session_window_size
  Create a new checked SessionWindowSize which cannot be 0.

Structs

• AvailableData
  This is the data we keep available for each candidate included in the relay chain.
• BabeEpoch
  BABE epoch information
• BabeEpochConfiguration
  Configuration data used by the BABE consensus engine that may change with epochs.
• BlockData
  Parachain block data.
• Collation
  The output of a collator.
• CollationGenerationConfig
  Configuration for the collation generator
• CollationResult
  Result of the CollatorFn invocation.
• CollationSecondedSignal
  Signal that is being returned when a collation was seconded by a validator.
• ErasureChunk
  A chunk of erasure-encoded block data.
• PoV
  A Proof-of-Validity
• Proof
  This is a convenience type to allow the Erasure chunk proof to Decode into a nested BoundedVec
• SessionWindowSize
  Type of a session window size.
• SubmitCollationParams
  Parameters for CollationGenerationMessage::SubmitCollation.

Enums

• BabeAllowedSlots
  Types of allowed slots.
• InvalidCandidate
  Candidate invalidity details
• MaybeCompressedPoV
  A type that represents a maybe compressed PoV.
• MerkleProofError
  Possible errors when converting from Vec<Vec<u8>> into Proof.
• Statement
  A statement, where the candidate receipt is included in the Seconded variant.
• StatementWithPVD
  A statement, exactly the same as Statement but where seconded messages carry the PersistedValidationData.
• ValidationResult
  Result of the validation of the candidate.

Constants

• DISPUTE_CANDIDATE_LIFETIME_AFTER_FINALIZATION
  How many blocks after finalization an information about backed/included candidate should be pre-loaded (when scraping onchain votes) and kept locally (when pruning).
• DISPUTE_WINDOW
  It would be nice to draw this from the chain state, but we have no tools for it right now. On Polkadot this is 1 day, and on Kusama it’s 6 hours.
• MAX_FINALITY_LAG
  Linked to MAX_FINALITY_LAG in relay chain selection, MAX_HEADS_LOOK_BACK in approval-voting and MAX_BATCH_SCRAPE_ANCESTORS in dispute-coordinator
• NODE_VERSION
  The current node version, which takes the basic SemVer form <major>.<minor>.<patch>. In general, minor should be bumped on every release while major or patch releases are relatively rare.
• POV_BOMB_LIMIT
  The bomb limit for decompressing PoV blobs.
• VALIDATION_CODE_BOMB_LIMIT
  The bomb limit for decompressing code blobs.

Functions

• maybe_compress_pov
  Compress a PoV, unless it exceeds the POV_BOMB_LIMIT.

Type Aliases

• BabeRandomness
  Randomness type required by BABE operations.
• BlockWeight
  The cumulative weight of a block in a fork-choice rule.
• CollatorFn
  Collation function.
• HorizontalMessages
• SignedFullStatement
  A statement, the corresponding signature, and the index of the sender.
• SignedFullStatementWithPVD
  A statement, the corresponding signature, and the index of the sender.
• UncheckedSignedFullStatement
  Variant of SignedFullStatement where the signature has not yet been verified.
• UpwardMessages