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Sidechain¶

Calls¶

confirm_imported_sidechain_block¶

See [Pallet::confirm_imported_sidechain_block].

Attributes¶

Name	Type
shard	`ShardIdentifier`
block_number	`u64`
next_finalization_candidate_block_number	`u64`
block_header_hash	`H256`

Python¶

call = substrate.compose_call(
    'Sidechain', 'confirm_imported_sidechain_block', {
    'block_header_hash': 'scale_info::12',
    'block_number': 'u64',
    'next_finalization_candidate_block_number': 'u64',
    'shard': 'scale_info::12',
}
)

Events¶

FinalizedSidechainBlock¶

a sidechain block has been finalized

Attributes¶

Name	Type	Composition
shard	`ShardIdentifier`	`scale_info::12`
block_number	`SidechainBlockNumber`	`u64`
block_header_hash	`H256`	`scale_info::12`
validateer	`T::AccountId`	`AccountId`

Storage functions¶

LatestSidechainBlockConfirmation¶

Python¶

result = substrate.query(
    'Sidechain', 'LatestSidechainBlockConfirmation', ['scale_info::12']
)

Return value¶

{'block_header_hash': 'scale_info::12', 'block_number': 'u64'}

Errors¶

InvalidNextFinalizationCandidateBlockNumber¶

The value for the next finalization candidate is invalid.

ReceivedUnexpectedSidechainBlock¶

A proposed block is unexpected.