ParachainSystem¶

Calls¶

authorize_upgrade¶

Attributes¶

Name	Type
code_hash	`T::Hash`
check_version	`bool`

Python¶

call = substrate.compose_call(
    'ParachainSystem', 'authorize_upgrade', {
    'check_version': 'bool',
    'code_hash': 'scale_info::12',
}
)

enact_authorized_upgrade¶

Attributes¶

Name	Type
code	`Vec<u8>`

Python¶

call = substrate.compose_call(
    'ParachainSystem', 'enact_authorized_upgrade', {'code': 'Bytes'}
)

set_validation_data¶

Attributes¶

Name	Type
data	`ParachainInherentData`

Python¶

call = substrate.compose_call(
    'ParachainSystem', 'set_validation_data', {
    'data': {
        'downward_messages': [
            {
                'msg': 'Bytes',
                'sent_at': 'u32',
            },
        ],
        'horizontal_messages': 'scale_info::128',
        'relay_chain_state': {
            'trie_nodes': 'scale_info::109',
        },
        'validation_data': {
            'max_pov_size': 'u32',
            'parent_head': 'Bytes',
            'relay_parent_number': 'u32',
            'relay_parent_storage_root': 'scale_info::12',
        },
    },
}
)

sudo_send_upward_message¶

Attributes¶

Name	Type
message	`UpwardMessage`

Python¶

call = substrate.compose_call(
    'ParachainSystem', 'sudo_send_upward_message', {'message': 'Bytes'}
)

Events¶

DownwardMessagesProcessed¶

Attributes¶

Name	Type	Composition
weight_used	`Weight`	`{'ref_time': 'u64', 'proof_size': 'u64'}`
dmq_head	`relay_chain::Hash`	`scale_info::12`

DownwardMessagesReceived¶

Attributes¶

Name	Type	Composition
count	`u32`	`u32`

UpgradeAuthorized¶

Attributes¶

Name	Type	Composition
code_hash	`T::Hash`	`scale_info::12`

UpwardMessageSent¶

Attributes¶

Name	Type	Composition
message_hash	`Option<XcmHash>`	`(None, '[u8; 32]')`

ValidationFunctionApplied¶

Attributes¶

Name	Type	Composition
relay_chain_block_num	`RelayChainBlockNumber`	`u32`

ValidationFunctionDiscarded¶

Attributes¶

No attributes

ValidationFunctionStored¶

Attributes¶

No attributes

Storage functions¶

AggregatedUnincludedSegment¶

Python¶

result = substrate.query(
    'ParachainSystem', 'AggregatedUnincludedSegment', []
)

Return value¶

{
    'consumed_go_ahead_signal': (None, ('Abort', 'GoAhead')),
    'hrmp_watermark': (None, 'u32'),
    'used_bandwidth': {
        'hrmp_outgoing': 'scale_info::94',
        'ump_msg_count': 'u32',
        'ump_total_bytes': 'u32',
    },
}

AnnouncedHrmpMessagesPerCandidate¶

Python¶

result = substrate.query(
    'ParachainSystem', 'AnnouncedHrmpMessagesPerCandidate', []
)

Return value¶

'u32'

AuthorizedUpgrade¶

Python¶

result = substrate.query(
    'ParachainSystem', 'AuthorizedUpgrade', []
)

Return value¶

{'check_version': 'bool', 'code_hash': 'scale_info::12'}

CustomValidationHeadData¶

Python¶

result = substrate.query(
    'ParachainSystem', 'CustomValidationHeadData', []
)

Return value¶

'Bytes'

DidSetValidationCode¶

Python¶

result = substrate.query(
    'ParachainSystem', 'DidSetValidationCode', []
)

Return value¶

'bool'

HostConfiguration¶

Python¶

result = substrate.query(
    'ParachainSystem', 'HostConfiguration', []
)

Return value¶

{
    'async_backing_params': {
        'allowed_ancestry_len': 'u32',
        'max_candidate_depth': 'u32',
    },
    'hrmp_max_message_num_per_candidate': 'u32',
    'max_code_size': 'u32',
    'max_head_data_size': 'u32',
    'max_upward_message_num_per_candidate': 'u32',
    'max_upward_message_size': 'u32',
    'max_upward_queue_count': 'u32',
    'max_upward_queue_size': 'u32',
    'validation_upgrade_cooldown': 'u32',
    'validation_upgrade_delay': 'u32',
}

HrmpOutboundMessages¶

Python¶

result = substrate.query(
    'ParachainSystem', 'HrmpOutboundMessages', []
)

Return value¶

[{'data': 'Bytes', 'recipient': 'u32'}]

HrmpWatermark¶

Python¶

result = substrate.query(
    'ParachainSystem', 'HrmpWatermark', []
)

Return value¶

'u32'

LastDmqMqcHead¶

Python¶

result = substrate.query(
    'ParachainSystem', 'LastDmqMqcHead', []
)

Return value¶

'scale_info::12'

LastHrmpMqcHeads¶

Python¶

result = substrate.query(
    'ParachainSystem', 'LastHrmpMqcHeads', []
)

Return value¶

'scale_info::118'

LastRelayChainBlockNumber¶

Python¶

result = substrate.query(
    'ParachainSystem', 'LastRelayChainBlockNumber', []
)

Return value¶

'u32'

NewValidationCode¶

Python¶

result = substrate.query(
    'ParachainSystem', 'NewValidationCode', []
)

Return value¶

'Bytes'

PendingUpwardMessages¶

Python¶

result = substrate.query(
    'ParachainSystem', 'PendingUpwardMessages', []
)

Return value¶

['Bytes']

PendingValidationCode¶

Python¶

result = substrate.query(
    'ParachainSystem', 'PendingValidationCode', []
)

Return value¶

'Bytes'

ProcessedDownwardMessages¶

Python¶

result = substrate.query(
    'ParachainSystem', 'ProcessedDownwardMessages', []
)

Return value¶

'u32'

RelayStateProof¶

Python¶

result = substrate.query(
    'ParachainSystem', 'RelayStateProof', []
)

Return value¶

{'trie_nodes': 'scale_info::109'}

RelevantMessagingState¶

Python¶

result = substrate.query(
    'ParachainSystem', 'RelevantMessagingState', []
)

Return value¶

{
    'dmq_mqc_head': 'scale_info::12',
    'egress_channels': [
        (
            'u32',
            {
                'max_capacity': 'u32',
                'max_message_size': 'u32',
                'max_total_size': 'u32',
                'mqc_head': (None, 'scale_info::12'),
                'msg_count': 'u32',
                'total_size': 'u32',
            },
        ),
    ],
    'ingress_channels': [
        (
            'u32',
            {
                'max_capacity': 'u32',
                'max_message_size': 'u32',
                'max_total_size': 'u32',
                'mqc_head': (None, 'scale_info::12'),
                'msg_count': 'u32',
                'total_size': 'u32',
            },
        ),
    ],
    'relay_dispatch_queue_remaining_capacity': {
        'remaining_count': 'u32',
        'remaining_size': 'u32',
    },
}

ReservedDmpWeightOverride¶

Python¶

result = substrate.query(
    'ParachainSystem', 'ReservedDmpWeightOverride', []
)

Return value¶

{'proof_size': 'u64', 'ref_time': 'u64'}

ReservedXcmpWeightOverride¶

Python¶

result = substrate.query(
    'ParachainSystem', 'ReservedXcmpWeightOverride', []
)

Return value¶

{'proof_size': 'u64', 'ref_time': 'u64'}

UnincludedSegment¶

Python¶

result = substrate.query(
    'ParachainSystem', 'UnincludedSegment', []
)

Return value¶

[
    {
        'consumed_go_ahead_signal': (None, ('Abort', 'GoAhead')),
        'para_head_hash': (None, 'scale_info::12'),
        'used_bandwidth': {
            'hrmp_outgoing': 'scale_info::94',
            'ump_msg_count': 'u32',
            'ump_total_bytes': 'u32',
        },
    },
]

UpgradeGoAhead¶

Python¶

result = substrate.query(
    'ParachainSystem', 'UpgradeGoAhead', []
)

Return value¶

(None, ('Abort', 'GoAhead'))

UpgradeRestrictionSignal¶

Python¶

result = substrate.query(
    'ParachainSystem', 'UpgradeRestrictionSignal', []
)

Return value¶

(None, ('Present', ))

UpwardMessages¶

Python¶

result = substrate.query(
    'ParachainSystem', 'UpwardMessages', []
)

Return value¶

['Bytes']

ValidationData¶

Python¶

result = substrate.query(
    'ParachainSystem', 'ValidationData', []
)

Return value¶

{
    'max_pov_size': 'u32',
    'parent_head': 'Bytes',
    'relay_parent_number': 'u32',
    'relay_parent_storage_root': 'scale_info::12',
}