Datalog

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Calls

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erase

Clear account datalog.

Attributes

No attributes

Python

call = substrate.compose_call(
    'Datalog', 'erase', {}
)

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record

Store new data into blockchain.

Attributes

Name	Type
record	T::Record

Python

call = substrate.compose_call(
    'Datalog', 'record', {'record': 'Bytes'}
)

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Events

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Erased

Account datalog erased.

Attributes

Name	Type	Composition
None	T::AccountId	AccountId

---

NewRecord

New data added.

Attributes

Name	Type	Composition
None	T::AccountId	AccountId
None	<T::Time as Time>::Moment	u64
None	T::Record	Bytes

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Storage functions

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DatalogIndex

Ringbuffer start/end pointers

Python

result = substrate.query(
    'Datalog', 'DatalogIndex', ['AccountId']
)

Return value

{'end': 'u64', 'start': 'u64'}

---

DatalogItem

Ringbuffer items

Python

result = substrate.query(
    'Datalog', 'DatalogItem', [('AccountId', 'u64')]
)

Return value

('u64', 'Bytes')

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Constants

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WindowSize

Data log window size

Value

128

Python

constant = substrate.get_constant('Datalog', 'WindowSize')

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Errors

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RecordTooBig

Data exceeds size limit

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