percli_program/instructions/
liquidate.rs

1use anchor_lang::prelude::*;
2use percli_core::LiquidationPolicy;
3
4use crate::error::{from_risk_error, PercolatorError};
5use crate::state::{engine_from_account_data, MARKET_ACCOUNT_SIZE};
6
7#[derive(Accounts)]
8pub struct Liquidate<'info> {
9    /// Permissionless — anyone can liquidate.
10    pub liquidator: Signer<'info>,
11
12    /// CHECK: Validated via discriminator and size.
13    #[account(
14        mut,
15        constraint = market.data_len() == MARKET_ACCOUNT_SIZE @ PercolatorError::AccountNotFound,
16    )]
17    pub market: UncheckedAccount<'info>,
18}
19
20pub fn handler(ctx: Context<Liquidate>, account_idx: u16, funding_rate: i64) -> Result<bool> {
21    let market = &ctx.accounts.market;
22    let mut data = market.try_borrow_mut_data()?;
23
24    require!(&data[0..8] == b"percmrkt", PercolatorError::AccountNotFound);
25
26    let engine = engine_from_account_data(&mut data);
27    let oracle_price = engine.last_oracle_price;
28    let clock = Clock::get()?;
29
30    let liquidated = engine
31        .liquidate_at_oracle(
32            account_idx,
33            clock.slot,
34            oracle_price,
35            LiquidationPolicy::FullClose,
36            funding_rate,
37        )
38        .map_err(from_risk_error)?;
39
40    Ok(liquidated)
41}
percli_program/instructions/liquidate.rs

percli_program/instructions/
liquidate.rs
