MultiTransactionPayment¶

Calls¶

add_currency¶

See [Pallet::add_currency].

Attributes¶

Name	Type
currency	`AssetIdOf<T>`
price	`Price`

Python¶

call = substrate.compose_call(
    'MultiTransactionPayment', 'add_currency', {'currency': 'u32', 'price': 'u128'}
)

remove_currency¶

See [Pallet::remove_currency].

Attributes¶

Name	Type
currency	`AssetIdOf<T>`

Python¶

call = substrate.compose_call(
    'MultiTransactionPayment', 'remove_currency', {'currency': 'u32'}
)

set_currency¶

See [Pallet::set_currency].

Attributes¶

Name	Type
currency	`AssetIdOf<T>`

Python¶

call = substrate.compose_call(
    'MultiTransactionPayment', 'set_currency', {'currency': 'u32'}
)

Events¶

CurrencyAdded¶

New accepted currency added [currency]

Attributes¶

Name	Type	Composition
asset_id	`AssetIdOf<T>`	`u32`

CurrencyRemoved¶

Accepted currency removed [currency]

Attributes¶

Name	Type	Composition
asset_id	`AssetIdOf<T>`	`u32`

CurrencySet¶

CurrencySet [who, currency]

Attributes¶

Name	Type	Composition
account_id	`T::AccountId`	`AccountId`
asset_id	`AssetIdOf<T>`	`u32`

FeeWithdrawn¶

Transaction fee paid in non-native currency [Account, Currency, Native fee amount, Non-native fee amount, Destination account]

Attributes¶

Name	Type	Composition
account_id	`T::AccountId`	`AccountId`
asset_id	`AssetIdOf<T>`	`u32`
native_fee_amount	`BalanceOf<T>`	`u128`
non_native_fee_amount	`BalanceOf<T>`	`u128`
destination_account_id	`T::AccountId`	`AccountId`

Storage functions¶

AcceptedCurrencies¶

Curated list of currencies which fees can be paid mapped to corresponding fallback price

Python¶

result = substrate.query(
    'MultiTransactionPayment', 'AcceptedCurrencies', ['u32']
)

Return value¶

'u128'

AcceptedCurrencyPrice¶

Asset prices from the spot price provider or the fallback price if the price is not available. Updated at the beginning of every block.

Python¶

result = substrate.query(
    'MultiTransactionPayment', 'AcceptedCurrencyPrice', ['u32']
)

Return value¶

'u128'

AccountCurrencyMap¶

Account currency map

Python¶

result = substrate.query(
    'MultiTransactionPayment', 'AccountCurrencyMap', ['AccountId']
)

Return value¶

'u32'

Constants¶

NativeAssetId¶

Native Asset

Value¶

Python¶

constant = substrate.get_constant('MultiTransactionPayment', 'NativeAssetId')

Errors¶

AlreadyAccepted¶

Currency is already in the list of accepted currencies.

CoreAssetNotAllowed¶

It is not allowed to add Core Asset as accepted currency. Core asset is accepted by design.

FallbackPriceNotFound¶

Fallback price was not found.

Overflow¶

Math overflow

UnsupportedCurrency¶

Selected currency is not supported.

ZeroBalance¶

Account balance should be non-zero.

ZeroPrice¶

Fallback price cannot be zero.