66 lines
1.8 KiB
Rust
66 lines
1.8 KiB
Rust
use anchor_lang::prelude::*;
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use crate::accounts_ix::*;
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use crate::error::*;
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use crate::health::*;
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use crate::state::*;
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use crate::util::clock_now;
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pub fn perp_liq_force_cancel_orders(
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ctx: Context<PerpLiqForceCancelOrders>,
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limit: u8,
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) -> Result<()> {
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let mut account = ctx.accounts.account.load_full_mut()?;
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let (now_ts, now_slot) = clock_now();
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let mut health_cache = {
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let retriever =
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new_fixed_order_account_retriever(ctx.remaining_accounts, &account.borrow(), now_slot)?;
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new_health_cache(&account.borrow(), &retriever, now_ts).context("create health cache")?
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};
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let mut perp_market = ctx.accounts.perp_market.load_mut()?;
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//
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// Early return if if liquidation is not allowed or if market is not in force close
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//
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let liquidatable = account.check_liquidatable(&health_cache)?;
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let can_force_cancel = !account.fixed.is_operational()
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|| liquidatable == CheckLiquidatable::Liquidatable
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|| perp_market.is_force_close();
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if !can_force_cancel {
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return Ok(());
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}
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//
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// Cancel orders
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//
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{
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let mut book = Orderbook {
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bids: ctx.accounts.bids.load_mut()?,
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asks: ctx.accounts.asks.load_mut()?,
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};
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book.cancel_all_orders(
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&mut account.borrow_mut(),
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ctx.accounts.account.as_ref().key,
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&mut perp_market,
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limit,
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None,
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)?;
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let perp_position = account.perp_position(perp_market.perp_market_index)?;
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health_cache.recompute_perp_info(perp_position, &perp_market)?;
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}
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//
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// Health check at the end
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//
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let init_health = health_cache.health(HealthType::LiquidationEnd);
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account
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.fixed
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.maybe_recover_from_being_liquidated(init_health);
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Ok(())
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}
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