EvmContractHelpers

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Calls

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migrate_from_self_sponsoring

See [Pallet::migrate_from_self_sponsoring].

Attributes

Name	Type
addresses	Vec<H160>

Python

call = substrate.compose_call(
    'EvmContractHelpers', 'migrate_from_self_sponsoring', {'addresses': ['[u8; 20]']}
)

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Events

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ContractSponsorRemoved

Collection sponsor was removed.

Attributes

Name	Type	Composition
None	H160	[u8; 20]

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ContractSponsorSet

Contract sponsor was set.

Attributes

Name	Type	Composition
None	H160	[u8; 20]
None	T::AccountId	AccountId

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ContractSponsorshipConfirmed

New sponsor was confirm.

Attributes

Name	Type	Composition
None	H160	[u8; 20]
None	T::AccountId	AccountId

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Storage functions

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Allowlist

Storage for users that allowed for sponsorship.

### Usage Prefer to delete record from storage if user no more allowed for sponsorship.

• Key1 - contract address.
• Key2 - user that allowed for sponsorship.
• Value - allowance for sponsorship.

Python

result = substrate.query(
    'EvmContractHelpers', 'Allowlist', ['[u8; 20]', '[u8; 20]']
)

Return value

'bool'

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AllowlistEnabled

Storege for contracts with Allowlisted sponsoring mode.

### Usage Prefer to delete collection from storage if mode chaged to non Allowlisted, than set Value to false.

• Key - contract address.
• Value - is contract in Allowlisted mode.

Python

result = substrate.query(
    'EvmContractHelpers', 'AllowlistEnabled', ['[u8; 20]']
)

Return value

'bool'

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Owner

Store owner for contract.

• Key - contract address.
• Value - owner for contract.

Python

result = substrate.query(
    'EvmContractHelpers', 'Owner', ['[u8; 20]']
)

Return value

'[u8; 20]'

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SelfSponsoring

Deprecated: this storage is deprecated

Python

result = substrate.query(
    'EvmContractHelpers', 'SelfSponsoring', ['[u8; 20]']
)

Return value

'bool'

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SponsorBasket

Python

result = substrate.query(
    'EvmContractHelpers', 'SponsorBasket', ['[u8; 20]', '[u8; 20]']
)

Return value

'u32'

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Sponsoring

Store for contract sponsorship state.

• Key - contract address.
• Value - sponsorship state.

Python

result = substrate.query(
    'EvmContractHelpers', 'Sponsoring', ['[u8; 20]']
)

Return value

{
    'Confirmed': {'Ethereum': '[u8; 20]', 'Substrate': 'AccountId'},
    'Disabled': None,
    'Unconfirmed': {'Ethereum': '[u8; 20]', 'Substrate': 'AccountId'},
}

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SponsoringFeeLimit

Storage for last sponsored block.

• Key1 - contract address.
• Key2 - sponsored user address.
• Value - last sponsored block number.

Python

result = substrate.query(
    'EvmContractHelpers', 'SponsoringFeeLimit', ['[u8; 20]']
)

Return value

'scale_info::649'

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SponsoringMode

Store for sponsoring mode.

### Usage Prefer to delete collection from storage if mode chaged to Disabled.

• Key - contract address.
• Value - sponsoring mode.

Python

result = substrate.query(
    'EvmContractHelpers', 'SponsoringMode', ['[u8; 20]']
)

Return value

('Disabled', 'Allowlisted', 'Generous')

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SponsoringRateLimit

Storage for sponsoring rate limit in blocks.

• Key - contract address.
• Value - amount of sponsored blocks.

Python

result = substrate.query(
    'EvmContractHelpers', 'SponsoringRateLimit', ['[u8; 20]']
)

Return value

'u32'

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Constants

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ContractAddress

Address, under which magic contract will be available

Value

'0x842899ecf380553e8a4de75bf534cdf6fbf64049'

Python

constant = substrate.get_constant('EvmContractHelpers', 'ContractAddress')

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Errors

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NoPendingSponsor

No pending sponsor for contract.

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NoPermission

This method is only executable by contract owner

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TooManyMethodsHaveSponsoredLimit

Number of methods that sponsored limit is defined for exceeds maximum.

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