Crate bp_header_chain

Defines traits which represent a common interface for Substrate pallets which want to incorporate bridge functionality.

Modules

justification

Logic for checking GRANDPA Finality Proofs.

storage_keys

Storage keys of bridge GRANDPA pallet.

Structs

AuthoritySet

A GRANDPA Authority List and ID.

GrandpaConsensusLogReader

A struct that provides helper methods for querying the GRANDPA consensus log.

HeaderFinalityInfo

The finality-related info associated to a header.

InitializationData

Data required for initializing the GRANDPA bridge pallet.

StoredHeaderData

Header data that we’re storing on-chain.

SubmitFinalityProofCallExtras

Result of checking maximal expected submit finality proof call weight and size.

SubmitFinalityProofInfo

A digest information on the BridgeGrandpaCall::submit_finality_proof call.

Enums

BridgeGrandpaCall

A minimized version of pallet-bridge-grandpa::Call that can be used without a runtime.

HeaderChainError

Header chain error.

Traits

ChainWithGrandpa

Substrate-based chain that is using direct GRANDPA finality.

ConsensusLogReader

A trait that provides helper methods for querying the consensus log.

FinalityProof

Abstract finality proof that is justifying block finality.

FindEquivocations

Helper trait for finding equivocations in finality proofs.

HeaderChain

Substrate header chain, abstracted from the way it is stored.

Parameter

A type that can be used as a parameter in a dispatchable function.

StoredHeaderDataBuilder

Stored header data builder.

Functions

max_expected_submit_finality_proof_arguments_size

Returns maximal expected size of submit_finality_proof call arguments.

submit_finality_proof_limits_extras

Checks whether the given header and its finality proof fit the maximal expected call limits (size and weight). The submission may be refunded sometimes (see pallet configuration for details), but it should fit some limits. If the call has some extra weight and/or size included, though, we won’t refund it or refund will be partial.

Type Aliases

BridgeGrandpaCallOf

The BridgeGrandpaCall for a pallet that bridges with given C;

HeaderGrandpaInfo

Processed Grandpa-related info associated to a header.

StoredHeaderGrandpaInfo

Grandpa-related info associated to a header. This info can be saved to events.