Registrar¶

Calls¶

add_lock¶

See [Pallet::add_lock].

Attributes¶

Name	Type
para	`ParaId`

Python¶

call = substrate.compose_call(
    'Registrar', 'add_lock', {'para': 'u32'}
)

deregister¶

See [Pallet::deregister].

Attributes¶

Name	Type
id	`ParaId`

Python¶

call = substrate.compose_call(
    'Registrar', 'deregister', {'id': 'u32'}
)

force_register¶

See [Pallet::force_register].

Attributes¶

Name	Type
who	`T::AccountId`
deposit	`BalanceOf<T>`
id	`ParaId`
genesis_head	`HeadData`
validation_code	`ValidationCode`

Python¶

call = substrate.compose_call(
    'Registrar', 'force_register', {
    'deposit': 'u128',
    'genesis_head': 'Bytes',
    'id': 'u32',
    'validation_code': 'Bytes',
    'who': 'AccountId',
}
)

register¶

See [Pallet::register].

Attributes¶

Name	Type
id	`ParaId`
genesis_head	`HeadData`
validation_code	`ValidationCode`

Python¶

call = substrate.compose_call(
    'Registrar', 'register', {
    'genesis_head': 'Bytes',
    'id': 'u32',
    'validation_code': 'Bytes',
}
)

remove_lock¶

See [Pallet::remove_lock].

Attributes¶

Name	Type
para	`ParaId`

Python¶

call = substrate.compose_call(
    'Registrar', 'remove_lock', {'para': 'u32'}
)

reserve¶

See [Pallet::reserve].

Attributes¶

No attributes

Python¶

call = substrate.compose_call(
    'Registrar', 'reserve', {}
)

schedule_code_upgrade¶

See [Pallet::schedule_code_upgrade].

Attributes¶

Name	Type
para	`ParaId`
new_code	`ValidationCode`

Python¶

call = substrate.compose_call(
    'Registrar', 'schedule_code_upgrade', {'new_code': 'Bytes', 'para': 'u32'}
)

set_current_head¶

See [Pallet::set_current_head].

Attributes¶

Name	Type
para	`ParaId`
new_head	`HeadData`

Python¶

call = substrate.compose_call(
    'Registrar', 'set_current_head', {'new_head': 'Bytes', 'para': 'u32'}
)

swap¶

See [Pallet::swap].

Attributes¶

Name	Type
id	`ParaId`
other	`ParaId`

Python¶

call = substrate.compose_call(
    'Registrar', 'swap', {'id': 'u32', 'other': 'u32'}
)

Events¶

Deregistered¶

Attributes¶

Name	Type	Composition
para_id	`ParaId`	`u32`

Registered¶

Attributes¶

Name	Type	Composition
para_id	`ParaId`	`u32`
manager	`T::AccountId`	`AccountId`

Reserved¶

Attributes¶

Name	Type	Composition
para_id	`ParaId`	`u32`
who	`T::AccountId`	`AccountId`

Swapped¶

Attributes¶

Name	Type	Composition
para_id	`ParaId`	`u32`
other_id	`ParaId`	`u32`

Storage functions¶

NextFreeParaId¶

The next free ParaId.

Python¶

result = substrate.query(
    'Registrar', 'NextFreeParaId', []
)

Return value¶

'u32'

Paras¶

Amount held on deposit for each para and the original depositor.

The given account ID is responsible for registering the code and initial head data, but may only do so if it isn't yet registered. (After that, it's up to governance to do so.)

Python¶

result = substrate.query(
    'Registrar', 'Paras', ['u32']
)

Return value¶

{'deposit': 'u128', 'locked': (None, 'bool'), 'manager': 'AccountId'}

PendingSwap¶

Pending swap operations.

Python¶

result = substrate.query(
    'Registrar', 'PendingSwap', ['u32']
)

Return value¶

'u32'

Constants¶

DataDepositPerByte¶

The deposit to be paid per byte stored on chain.

Value¶

10000000

Python¶

constant = substrate.get_constant('Registrar', 'DataDepositPerByte')

ParaDeposit¶

The deposit to be paid to run a on-demand parachain. This should include the cost for storing the genesis head and validation code.

Value¶

1000000000000

Python¶

constant = substrate.get_constant('Registrar', 'ParaDeposit')

Errors¶

AlreadyRegistered¶

The ID is already registered.

CannotDeregister¶

Cannot deregister para

CannotDowngrade¶

Cannot schedule downgrade of lease holding parachain to on-demand parachain

CannotSwap¶

Cannot perform a parachain slot / lifecycle swap. Check that the state of both paras are correct for the swap to work.

CannotUpgrade¶

Cannot schedule upgrade of on-demand parachain to lease holding parachain

CodeTooLarge¶

Invalid para code size.

EmptyCode¶

Registering parachain with empty code is not allowed.

HeadDataTooLarge¶

Invalid para head data size.

NotOwner¶

The caller is not the owner of this Id.

NotParachain¶

Para is not a Parachain.

NotParathread¶

Para is not a Parathread (on-demand parachain).

NotRegistered¶

The ID is not registered.

NotReserved¶

The ID given for registration has not been reserved.

ParaLocked¶

Para is locked from manipulation by the manager. Must use parachain or relay chain governance.