Authorship¶

Calls¶

set_uncles¶

Provide a set of uncles.

Attributes¶

Name	Type
new_uncles	`Vec<T::Header>`

Python¶

call = substrate.compose_call(
    'Authorship', 'set_uncles', {
    'new_uncles': [
        {
            'digest': {
                'logs': [
                    {
                        None: None,
                        'Consensus': (
                            '[u8; 4]',
                            'Bytes',
                        ),
                        'Other': 'Bytes',
                        'PreRuntime': (
                            '[u8; 4]',
                            'Bytes',
                        ),
                        'RuntimeEnvironmentUpdated': None,
                        'Seal': (
                            '[u8; 4]',
                            'Bytes',
                        ),
                    },
                ],
            },
            'extrinsics_root': '[u8; 32]',
            'number': 'u32',
            'parent_hash': '[u8; 32]',
            'state_root': '[u8; 32]',
        },
    ],
}
)

Storage functions¶

Author¶

Author of current block.

Python¶

result = substrate.query(
    'Authorship', 'Author', []
)

Return value¶

'AccountId'

DidSetUncles¶

Whether uncles were already set in this block.

Python¶

result = substrate.query(
    'Authorship', 'DidSetUncles', []
)

Return value¶

'bool'

Uncles¶

Uncles

Python¶

result = substrate.query(
    'Authorship', 'Uncles', []
)

Return value¶

[{'InclusionHeight': 'u32', 'Uncle': ('[u8; 32]', (None, 'AccountId'))}]

Constants¶

UncleGenerations¶

The number of blocks back we should accept uncles. This means that we will deal with uncle-parents that are UncleGenerations + 1 before now.

Value¶

Python¶

constant = substrate.get_constant('Authorship', 'UncleGenerations')

Errors¶

GenesisUncle¶

The uncle is genesis.

InvalidUncleParent¶

The uncle parent not in the chain.

OldUncle¶

The uncle isn't recent enough to be included.

TooHighUncle¶

The uncle is too high in chain.

TooManyUncles¶

Too many uncles.

UncleAlreadyIncluded¶

The uncle is already included.

UnclesAlreadySet¶

Uncles already set in the block.