ParasSlashing

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Calls

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report_dispute_lost_unsigned

See [Pallet::report_dispute_lost_unsigned].

Attributes

Name	Type
dispute_proof	Box<DisputeProof>
key_owner_proof	T::KeyOwnerProof

Python

call = substrate.compose_call(
    'ParasSlashing', 'report_dispute_lost_unsigned', {
    'dispute_proof': {
        'kind': (
            'ForInvalid',
            'AgainstValid',
        ),
        'time_slot': {
            'candidate_hash': 'scale_info::12',
            'session_index': 'u32',
        },
        'validator_id': '[u8; 32]',
        'validator_index': 'u32',
    },
    'key_owner_proof': {
        'session': 'u32',
        'trie_nodes': ['Bytes'],
        'validator_count': 'u32',
    },
}
)

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Storage functions

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UnappliedSlashes

Validators pending dispute slashes.

Python

result = substrate.query(
    'ParasSlashing', 'UnappliedSlashes', ['u32', 'scale_info::12']
)

Return value

{'keys': 'scale_info::751', 'kind': ('ForInvalid', 'AgainstValid')}

---

ValidatorSetCounts

ValidatorSetCount per session.

Python

result = substrate.query(
    'ParasSlashing', 'ValidatorSetCounts', ['u32']
)

Return value

'u32'

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Errors

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DuplicateSlashingReport

The given slashing report is valid but already previously reported.

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InvalidCandidateHash

The candidate hash is invalid.

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InvalidKeyOwnershipProof

The key ownership proof is invalid.

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InvalidSessionIndex

The session index is too old or invalid.

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InvalidValidatorIndex

There is no pending slash for the given validator index and time slot.

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ValidatorIndexIdMismatch

The validator index does not match the validator id.

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