Treasury¶

Calls¶

buyout¶

Let user to exchange existed asset to native asset by oracle price plus fee Parameters: asset - asset to exchange amount - amount of native asset user will get after buyout or amount of exchange asset user will give for buyout

Attributes¶

Name	Type
asset	`Asset`
amount	`Amount<T::Balance>`

Python¶

call = substrate.compose_call(
    'Treasury', 'buyout', {
    'amount': {
        'Buyout': 'u128',
        'Exchange': 'u128',
    },
    'asset': 'u64',
}
)

update_buyout_limit¶

Set/unset buyout limit Parameters: limit - max value of native token user could get with help of buyout for a period(day), None - to disable buyout limits

Attributes¶

Name	Type
limit	`Option<T::Balance>`

Python¶

call = substrate.compose_call(
    'Treasury', 'update_buyout_limit', {'limit': (None, 'u128')}
)

Events¶

Buyout¶

Buyout event

Attributes¶

Name	Type	Composition
who	`T::AccountId`	`AccountId`
buyout_amount	`T::Balance`	`u128`
asset	`Asset`	`u64`
exchange_amount	`T::Balance`	`u128`

Storage functions¶

BuyoutLimit¶

Stores limit amount user could by for a period. When None - buyouts not limited

Python¶

result = substrate.query(
    'Treasury', 'BuyoutLimit', []
)

Return value¶

'u128'

Buyouts¶

Stores amount of buyouts (amount, timestamp of last buyout)

Python¶

result = substrate.query(
    'Treasury', 'Buyouts', ['AccountId']
)

Return value¶

('u128', 'u64')

Constants¶

BuyFee¶

Fee from collateral buyouts (any currency that is not basic asset)

Value¶

Python¶

constant = substrate.get_constant('Treasury', 'BuyFee')

MinAmountToBuyout¶

Min amount of native token to buyout

Value¶

100000000000

Python¶

constant = substrate.get_constant('Treasury', 'MinAmountToBuyout')

SellFee¶

Fee from the basic asset buyouts

Value¶

Python¶

constant = substrate.get_constant('Treasury', 'SellFee')

Errors¶

BuyoutLimitExceeded¶

Daily buyout limit exceeded

InsufficientAccountBalance¶

The account balance is too low for an operation

InsufficientTreasuryBalance¶

The treasury balance is too low for an operation

NoPrice¶

One of transacted currencies is missing price information or the price is outdated

WrongAssetToBuyout¶

Attempt to exchange native token to native token