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program: allow-auction-start-buffer-on-tail-mkt #1641

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program: allow-auction-start-buffer-on-tail-mkt #1641

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13 changes: 8 additions & 5 deletions programs/drift/src/state/order_params.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -363,14 +363,17 @@ impl OrderParams {
)?;
let current_start_price_offset = self.get_auction_start_price_offset(oracle_price)?;
let current_end_price_offset = self.get_auction_end_price_offset(oracle_price)?;

let is_tail_mkt = !perp_market.contract_tier.is_as_safe_as_contract(&ContractTier::B);

match self.direction {
PositionDirection::Long => {
let long_start_threshold = if is_signed_msg {
let long_start_threshold = if is_signed_msg || is_tail_mkt {
new_start_price_offset.safe_add(oracle_price.abs().safe_div(1000)?)?
} else {
new_start_price_offset
};
let long_end_threshold = if is_signed_msg {
let long_end_threshold = if is_signed_msg || is_tail_mkt {
new_end_price_offset.safe_add(oracle_price.abs().safe_div(1000)?)?
} else {
new_end_price_offset
Expand Down Expand Up @@ -400,12 +403,12 @@ impl OrderParams {
}
}
PositionDirection::Short => {
let short_start_threshold = if is_signed_msg {
let short_start_threshold = if is_signed_msg || is_tail_mkt {
new_start_price_offset.safe_sub(oracle_price.abs().safe_div(1000)?)?
} else {
new_start_price_offset
};
let short_end_threshold = if is_signed_msg {
let short_end_threshold = if is_signed_msg || is_tail_mkt {
new_end_price_offset.safe_sub(oracle_price.abs().safe_div(1000)?)?
} else {
new_end_price_offset
Expand Down Expand Up @@ -859,7 +862,7 @@ fn get_auction_duration(
Ok(percent_diff
.safe_mul(slots_per_bp)?
.safe_div_ceil(PERCENTAGE_PRECISION_U64 / 100)? // 1% = 60 slots
.clamp(10, 180) as u8) // 180 slots max
.clamp(1, 180) as u8) // 180 slots max
}

#[derive(Clone, Copy, BorshSerialize, BorshDeserialize, PartialEq, Debug, Eq, Default)]
Expand Down
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