DmpQueue

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Calls

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service_overweight

Service a single overweight message.

• origin: Must pass ExecuteOverweightOrigin.
• index: The index of the overweight message to service.
• weight_limit: The amount of weight that message execution may take.

Errors: - Unknown: Message of index is unknown. - OverLimit: Message execution may use greater than weight_limit.

Events: - OverweightServiced: On success.

Attributes

Name	Type
index	OverweightIndex
weight_limit	XcmWeight

Python

call = substrate.compose_call(
    'DmpQueue', 'service_overweight', {
    'index': 'u64',
    'weight_limit': 'u64',
}
)

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Events

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ExecutedDownward

Downward message executed with the given outcome.

Attributes

Name	Type	Composition
message_id	MessageId	[u8; 32]
outcome	Outcome	{'Complete': 'u64', 'Incomplete': ('u64', {'Overflow': None, 'Unimplemented': None, 'UntrustedReserveLocation': None, 'UntrustedTeleportLocation': None, 'MultiLocationFull': None, 'MultiLocationNotInvertible': None, 'BadOrigin': None, 'InvalidLocation': None, 'AssetNotFound': None, 'FailedToTransactAsset': None, 'NotWithdrawable': None, 'LocationCannotHold': None, 'ExceedsMaxMessageSize': None, 'DestinationUnsupported': None, 'Transport': None, 'Unroutable': None, 'UnknownClaim': None, 'FailedToDecode': None, 'MaxWeightInvalid': None, 'NotHoldingFees': None, 'TooExpensive': None, 'Trap': 'u64', 'UnhandledXcmVersion': None, 'WeightLimitReached': 'u64', 'Barrier': None, 'WeightNotComputable': None}), 'Error': {'Overflow': None, 'Unimplemented': None, 'UntrustedReserveLocation': None, 'UntrustedTeleportLocation': None, 'MultiLocationFull': None, 'MultiLocationNotInvertible': None, 'BadOrigin': None, 'InvalidLocation': None, 'AssetNotFound': None, 'FailedToTransactAsset': None, 'NotWithdrawable': None, 'LocationCannotHold': None, 'ExceedsMaxMessageSize': None, 'DestinationUnsupported': None, 'Transport': None, 'Unroutable': None, 'UnknownClaim': None, 'FailedToDecode': None, 'MaxWeightInvalid': None, 'NotHoldingFees': None, 'TooExpensive': None, 'Trap': 'u64', 'UnhandledXcmVersion': None, 'WeightLimitReached': 'u64', 'Barrier': None, 'WeightNotComputable': None}}

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InvalidFormat

Downward message is invalid XCM.

Attributes

Name	Type	Composition
message_id	MessageId	[u8; 32]

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OverweightEnqueued

Downward message is overweight and was placed in the overweight queue.

Attributes

Name	Type	Composition
message_id	MessageId	[u8; 32]
overweight_index	OverweightIndex	u64
required_weight	Weight	{'ref_time': 'u64', 'proof_size': 'u64'}

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OverweightServiced

Downward message from the overweight queue was executed.

Attributes

Name	Type	Composition
overweight_index	OverweightIndex	u64
weight_used	Weight	{'ref_time': 'u64', 'proof_size': 'u64'}

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UnsupportedVersion

Downward message is unsupported version of XCM.

Attributes

Name	Type	Composition
message_id	MessageId	[u8; 32]

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WeightExhausted

The weight limit for handling downward messages was reached.

Attributes

Name	Type	Composition
message_id	MessageId	[u8; 32]
remaining_weight	Weight	{'ref_time': 'u64', 'proof_size': 'u64'}
required_weight	Weight	{'ref_time': 'u64', 'proof_size': 'u64'}

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Storage functions

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Configuration

The configuration.

Python

result = substrate.query(
    'DmpQueue', 'Configuration', []
)

Return value

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

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Overweight

The overweight messages.

Python

result = substrate.query(
    'DmpQueue', 'Overweight', ['u64']
)

Return value

('u32', 'Bytes')

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PageIndex

The page index.

Python

result = substrate.query(
    'DmpQueue', 'PageIndex', []
)

Return value

{'begin_used': 'u32', 'end_used': 'u32', 'overweight_count': 'u64'}

---

Pages

The queue pages.

Python

result = substrate.query(
    'DmpQueue', 'Pages', ['u32']
)

Return value

[('u32', 'Bytes')]

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Errors

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OverLimit

The amount of weight given is possibly not enough for executing the message.

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Unknown

The message index given is unknown.

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