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CdpEngine


Calls


deregister_liquidation_contract

Attributes

Name Type
address EvmAddress

Python

call = substrate.compose_call(
    'CdpEngine', 'deregister_liquidation_contract', {'address': '[u8; 20]'}
)

liquidate

Attributes

Name Type
currency_id CurrencyId
who <T::Lookup as StaticLookup>::Source

Python

call = substrate.compose_call(
    'CdpEngine', 'liquidate', {
    'currency_id': {
        'DexShare': (
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
        ),
        'Erc20': '[u8; 20]',
        'ForeignAsset': 'u16',
        'LiquidCrowdloan': 'u32',
        'StableAssetPoolToken': 'u32',
        'Token': (
            'ACA',
            'AUSD',
            'DOT',
            'LDOT',
            'TAP',
            'KAR',
            'KUSD',
            'KSM',
            'LKSM',
            'TAI',
            'BNC',
            'VSKSM',
            'PHA',
            'KINT',
            'KBTC',
        ),
    },
    'who': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': 'u32',
        'Raw': 'Bytes',
    },
}
)

register_liquidation_contract

Attributes

Name Type
address EvmAddress

Python

call = substrate.compose_call(
    'CdpEngine', 'register_liquidation_contract', {'address': '[u8; 20]'}
)

set_collateral_params

Attributes

Name Type
currency_id CurrencyId
interest_rate_per_sec ChangeOptionRate
liquidation_ratio ChangeOptionRatio
liquidation_penalty ChangeOptionRate
required_collateral_ratio ChangeOptionRatio
maximum_total_debit_value ChangeBalance

Python

call = substrate.compose_call(
    'CdpEngine', 'set_collateral_params', {
    'currency_id': {
        'DexShare': (
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
        ),
        'Erc20': '[u8; 20]',
        'ForeignAsset': 'u16',
        'LiquidCrowdloan': 'u32',
        'StableAssetPoolToken': 'u32',
        'Token': (
            'ACA',
            'AUSD',
            'DOT',
            'LDOT',
            'TAP',
            'KAR',
            'KUSD',
            'KSM',
            'LKSM',
            'TAI',
            'BNC',
            'VSKSM',
            'PHA',
            'KINT',
            'KBTC',
        ),
    },
    'interest_rate_per_sec': {
        'NewValue': (None, 'u128'),
        'NoChange': None,
    },
    'liquidation_penalty': {
        'NewValue': (None, 'u128'),
        'NoChange': None,
    },
    'liquidation_ratio': {
        'NewValue': (None, 'u128'),
        'NoChange': None,
    },
    'maximum_total_debit_value': {
        'NewValue': 'u128',
        'NoChange': None,
    },
    'required_collateral_ratio': {
        'NewValue': (None, 'u128'),
        'NoChange': None,
    },
}
)

settle

Attributes

Name Type
currency_id CurrencyId
who <T::Lookup as StaticLookup>::Source

Python

call = substrate.compose_call(
    'CdpEngine', 'settle', {
    'currency_id': {
        'DexShare': (
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
        ),
        'Erc20': '[u8; 20]',
        'ForeignAsset': 'u16',
        'LiquidCrowdloan': 'u32',
        'StableAssetPoolToken': 'u32',
        'Token': (
            'ACA',
            'AUSD',
            'DOT',
            'LDOT',
            'TAP',
            'KAR',
            'KUSD',
            'KSM',
            'LKSM',
            'TAI',
            'BNC',
            'VSKSM',
            'PHA',
            'KINT',
            'KBTC',
        ),
    },
    'who': {
        'Address20': '[u8; 20]',
        'Address32': '[u8; 32]',
        'Id': 'AccountId',
        'Index': 'u32',
        'Raw': 'Bytes',
    },
}
)

Events


CloseCDPInDebitByDEX

Attributes

Name Type Composition
collateral_type CurrencyId {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'DexShare': ({'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}, {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}), 'Erc20': '[u8; 20]', 'StableAssetPoolToken': 'u32', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16'}
owner T::AccountId AccountId
sold_collateral_amount Balance u128
refund_collateral_amount Balance u128
debit_value Balance u128

InterestRatePerSecUpdated

Attributes

Name Type Composition
collateral_type CurrencyId {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'DexShare': ({'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}, {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}), 'Erc20': '[u8; 20]', 'StableAssetPoolToken': 'u32', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16'}
new_interest_rate_per_sec Option<Rate> (None, 'u128')

LiquidateUnsafeCDP

Attributes

Name Type Composition
collateral_type CurrencyId {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'DexShare': ({'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}, {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}), 'Erc20': '[u8; 20]', 'StableAssetPoolToken': 'u32', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16'}
owner T::AccountId AccountId
collateral_amount Balance u128
bad_debt_value Balance u128
target_amount Balance u128

LiquidationContractDeregistered

Attributes

Name Type Composition
address EvmAddress [u8; 20]

LiquidationContractRegistered

Attributes

Name Type Composition
address EvmAddress [u8; 20]

LiquidationPenaltyUpdated

Attributes

Name Type Composition
collateral_type CurrencyId {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'DexShare': ({'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}, {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}), 'Erc20': '[u8; 20]', 'StableAssetPoolToken': 'u32', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16'}
new_liquidation_penalty Option<Rate> (None, 'u128')

LiquidationRatioUpdated

Attributes

Name Type Composition
collateral_type CurrencyId {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'DexShare': ({'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}, {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}), 'Erc20': '[u8; 20]', 'StableAssetPoolToken': 'u32', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16'}
new_liquidation_ratio Option<Ratio> (None, 'u128')

MaximumTotalDebitValueUpdated

Attributes

Name Type Composition
collateral_type CurrencyId {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'DexShare': ({'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}, {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}), 'Erc20': '[u8; 20]', 'StableAssetPoolToken': 'u32', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16'}
new_total_debit_value Balance u128

RequiredCollateralRatioUpdated

Attributes

Name Type Composition
collateral_type CurrencyId {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'DexShare': ({'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}, {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}), 'Erc20': '[u8; 20]', 'StableAssetPoolToken': 'u32', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16'}
new_required_collateral_ratio Option<Ratio> (None, 'u128')

SettleCDPInDebit

Attributes

Name Type Composition
collateral_type CurrencyId {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'DexShare': ({'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}, {'Token': ('ACA', 'AUSD', 'DOT', 'LDOT', 'TAP', 'KAR', 'KUSD', 'KSM', 'LKSM', 'TAI', 'BNC', 'VSKSM', 'PHA', 'KINT', 'KBTC'), 'Erc20': '[u8; 20]', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16', 'StableAssetPoolToken': 'u32'}), 'Erc20': '[u8; 20]', 'StableAssetPoolToken': 'u32', 'LiquidCrowdloan': 'u32', 'ForeignAsset': 'u16'}
owner T::AccountId AccountId

Storage functions


CollateralParams

Python

result = substrate.query(
    'CdpEngine', 'CollateralParams', [
    {
        'DexShare': (
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
        ),
        'Erc20': '[u8; 20]',
        'ForeignAsset': 'u16',
        'LiquidCrowdloan': 'u32',
        'StableAssetPoolToken': 'u32',
        'Token': (
            'ACA',
            'AUSD',
            'DOT',
            'LDOT',
            'TAP',
            'KAR',
            'KUSD',
            'KSM',
            'LKSM',
            'TAI',
            'BNC',
            'VSKSM',
            'PHA',
            'KINT',
            'KBTC',
        ),
    },
]
)

Return value

{
    'interest_rate_per_sec': (None, 'u128'),
    'liquidation_penalty': (None, 'u128'),
    'liquidation_ratio': (None, 'u128'),
    'maximum_total_debit_value': 'u128',
    'required_collateral_ratio': (None, 'u128'),
}

DebitExchangeRate

Python

result = substrate.query(
    'CdpEngine', 'DebitExchangeRate', [
    {
        'DexShare': (
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
            {
                'Erc20': '[u8; 20]',
                'ForeignAsset': 'u16',
                'LiquidCrowdloan': 'u32',
                'StableAssetPoolToken': 'u32',
                'Token': (
                    'ACA',
                    'AUSD',
                    'DOT',
                    'LDOT',
                    'TAP',
                    'KAR',
                    'KUSD',
                    'KSM',
                    'LKSM',
                    'TAI',
                    'BNC',
                    'VSKSM',
                    'PHA',
                    'KINT',
                    'KBTC',
                ),
            },
        ),
        'Erc20': '[u8; 20]',
        'ForeignAsset': 'u16',
        'LiquidCrowdloan': 'u32',
        'StableAssetPoolToken': 'u32',
        'Token': (
            'ACA',
            'AUSD',
            'DOT',
            'LDOT',
            'TAP',
            'KAR',
            'KUSD',
            'KSM',
            'LKSM',
            'TAI',
            'BNC',
            'VSKSM',
            'PHA',
            'KINT',
            'KBTC',
        ),
    },
]
)

Return value

'u128'

LastAccumulationSecs

Python

result = substrate.query(
    'CdpEngine', 'LastAccumulationSecs', []
)

Return value

'u64'

LiquidationContracts

Python

result = substrate.query(
    'CdpEngine', 'LiquidationContracts', []
)

Return value

['[u8; 20]']

Constants


DefaultDebitExchangeRate

Value

100000000000000000

Python

constant = substrate.get_constant('CdpEngine', 'DefaultDebitExchangeRate')

DefaultLiquidationPenalty

Value

80000000000000000

Python

constant = substrate.get_constant('CdpEngine', 'DefaultLiquidationPenalty')

DefaultLiquidationRatio

Value

1500000000000000000

Python

constant = substrate.get_constant('CdpEngine', 'DefaultLiquidationRatio')

GetStableCurrencyId

Value

{'Token': 'AUSD'}

Python

constant = substrate.get_constant('CdpEngine', 'GetStableCurrencyId')

MaxLiquidationContractSlippage

Value

150000000000000000

Python

constant = substrate.get_constant('CdpEngine', 'MaxLiquidationContractSlippage')

MaxLiquidationContracts

Value

10

Python

constant = substrate.get_constant('CdpEngine', 'MaxLiquidationContracts')

MaxSwapSlippageCompareToOracle

Value

100000000000000000

Python

constant = substrate.get_constant('CdpEngine', 'MaxSwapSlippageCompareToOracle')

MinimumDebitValue

Value

50000000000000

Python

constant = substrate.get_constant('CdpEngine', 'MinimumDebitValue')

PalletId

Value

'0x6163612f63647065'

Python

constant = substrate.get_constant('CdpEngine', 'PalletId')

UnsignedPriority

Value

14999999999000

Python

constant = substrate.get_constant('CdpEngine', 'UnsignedPriority')

Errors


AlreadyShutdown


BelowLiquidationRatio


BelowRequiredCollateralRatio


CollateralAmountBelowMinimum


CollateralContractNotFound


CollateralNotEnough


ConvertDebitBalanceFailed


ExceedDebitValueHardCap


InvalidCollateralType


InvalidFeedPrice


InvalidRate


LiquidationFailed


MustAfterShutdown


MustBeSafe


MustBeUnsafe


NoDebitValue


NotEnoughDebitDecrement


RemainDebitValueTooSmall


TooManyLiquidationContracts