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Data Models

For a full overview over all data models check on Github.

AssetParams​

struct AssetParams {
    asset: ContractAddress,
    floor: u256, // [SCALE]
    initial_rate_accumulator: u256, // [SCALE]
    initial_full_utilization_rate: u256, // [SCALE]
    max_utilization: u256, // [SCALE]
    is_legacy: bool,
    fee_rate: u256, // [SCALE]
}

LTVParams​

struct LTVParams {
    collateral_asset_index: usize,
    debt_asset_index: usize,
    max_ltv: u64, // [SCALE]
}

ModifyPositionParams​

struct ModifyPositionParams {
    pool_id: felt252,
    collateral_asset: ContractAddress,
    debt_asset: ContractAddress,
    user: ContractAddress,
    collateral: Amount,
    debt: Amount,
    data: Span<felt252>
}

TransferPositionParams​

struct TransferPositionParams {
    pool_id: felt252,
    from_collateral_asset: ContractAddress,
    from_debt_asset: ContractAddress,
    to_collateral_asset: ContractAddress,
    to_debt_asset: ContractAddress,
    from_user: ContractAddress,
    to_user: ContractAddress,
    collateral: UnsignedAmount,
    debt: UnsignedAmount,
    from_data: Span<felt252>,
    to_data: Span<felt252>
}

LiquidatePositionParams​

struct LiquidatePositionParams {
    pool_id: felt252,
    collateral_asset: ContractAddress,
    debt_asset: ContractAddress,
    user: ContractAddress,
    receive_as_shares: bool,
    data: Span<felt252>
}

UpdatePositionResponse​

struct UpdatePositionResponse {
    collateral_delta: i257, // [asset scale]
    collateral_shares_delta: i257, // [SCALE]
    debt_delta: i257, // [asset scale]
    nominal_debt_delta: i257, // [SCALE]
    bad_debt: u256, // [asset scale]
}

Context​

struct Context {
    pool_id: felt252,
    extension: ContractAddress,
    collateral_asset: ContractAddress,
    debt_asset: ContractAddress,
    collateral_asset_config: AssetConfig,
    debt_asset_config: AssetConfig,
    collateral_asset_price: AssetPrice,
    debt_asset_price: AssetPrice,
    collateral_asset_fee_shares: u256,
    debt_asset_fee_shares: u256,
    max_ltv: u64,
    user: ContractAddress,
    position: Position
}