Function get_decrease_spot_position_estimation 

pub fn get_decrease_spot_position_estimation(
    decrease_amount: u64,
    collateral_token: u8,
    leverage: f64,
    position_token: u8,
    position_amount: u64,
    position_debt: u64,
    price: f64,
) -> Result<DecreaseSpotPositionEstimationResult, CoreError>

Spot position decrease estimation

Parameters

• decrease_amount: Position total decrease size in the collateral_token.
• collateral_token: Collateral token.
• leverage: Leverage (1.0 or higher).
• position_token: Token of the existing position.
• position_amount: Existing position amount in the position_token.
• position_debt: Existing position debt in the token opposite to the position_token.
• price: Pool price.

Returns

• DecreaseSpotPositionQuoteResult: quote result