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program: more logging for max leverage size calc #1675

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program: more logging for max leverage size calc #1675

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31 changes: 25 additions & 6 deletions programs/drift/src/math/orders.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -923,10 +923,19 @@ pub fn calculate_max_perp_order_size(

// if user has no free collateral, just return the order size to reduce position
if free_collateral_before <= 0 {
return standardize_base_asset_amount(
order_size_to_reduce_position,
perp_market.amm.order_step_size,
);
if order_size_to_reduce_position > 0 {
return standardize_base_asset_amount(
order_size_to_reduce_position,
perp_market.amm.order_step_size,
);
} else {
msg!(
"no free collateral before. total_collateral={} margin_requirement={}",
total_collateral,
margin_requirement
);
return Err(ErrorCode::InsufficientCollateral);
}
}

let oracle_price =
Expand Down Expand Up @@ -975,10 +984,20 @@ pub fn calculate_max_perp_order_size(
}
}

standardize_base_asset_amount(
let max_order_size = standardize_base_asset_amount(
order_size.safe_add(order_size_to_reduce_position)?,
perp_market.amm.order_step_size,
)
)?;

msg!(
"max_order_size={} updated_margin_ratio={} free_collateral_before={} free_collateral_released={}",
max_order_size,
updated_margin_ratio,
free_collateral_before,
free_collateral_released
);

Ok(max_order_size)
}

#[allow(clippy::unwrap_used)]
Expand Down
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