Ctype¶
Calls¶
add¶
See [Pallet::add].
Attributes¶
| Name | Type |
|---|---|
| ctype | Vec<u8> |
Python¶
call = substrate.compose_call(
'Ctype', 'add', {'ctype': 'Bytes'}
)
set_block_number¶
See [Pallet::set_block_number].
Attributes¶
| Name | Type |
|---|---|
| ctype_hash | CtypeHashOf<T> |
| block_number | BlockNumberFor<T> |
Python¶
call = substrate.compose_call(
'Ctype', 'set_block_number', {
'block_number': 'u64',
'ctype_hash': 'scale_info::12',
}
)
Events¶
CTypeCreated¶
A new CType has been created. [creator identifier, CType hash]
Attributes¶
| Name | Type | Composition |
|---|---|---|
| None | CtypeCreatorOf<T> |
AccountId |
| None | CtypeHashOf<T> |
scale_info::12 |
CTypeUpdated¶
Information about a CType has been updated. [CType hash]
Attributes¶
| Name | Type | Composition |
|---|---|---|
| None | CtypeHashOf<T> |
scale_info::12 |
Storage functions¶
Ctypes¶
CTypes stored on chain.
It maps from a CType hash to its creator and block number in which it was created.
Python¶
result = substrate.query(
'Ctype', 'Ctypes', ['scale_info::12']
)
Return value¶
{'created_at': 'u64', 'creator': 'AccountId'}
Errors¶
AlreadyExists¶
The CType already exists.
NotFound¶
There is no CType with the given hash.
UnableToPayFees¶
The paying account was unable to pay the fees for creating a ctype.