mango-v4/programs/mango-v4/src/instructions/perp_cancel_order.rs

57 lines
1.6 KiB
Rust

use anchor_lang::prelude::*;
use crate::error::*;
use crate::state::{BookSide, Group, MangoAccountFixed, MangoAccountLoader, Orderbook, PerpMarket};
#[derive(Accounts)]
pub struct PerpCancelOrder<'info> {
pub group: AccountLoader<'info, Group>,
#[account(mut, has_one = group)]
pub account: AccountLoader<'info, MangoAccountFixed>,
pub owner: Signer<'info>,
#[account(
mut,
has_one = group,
has_one = bids,
has_one = asks,
)]
pub perp_market: AccountLoader<'info, PerpMarket>,
#[account(mut)]
pub bids: AccountLoader<'info, BookSide>,
#[account(mut)]
pub asks: AccountLoader<'info, BookSide>,
}
pub fn perp_cancel_order(ctx: Context<PerpCancelOrder>, order_id: u128) -> Result<()> {
let mut account = ctx.accounts.account.load_full_mut()?;
require!(
account.fixed.is_owner_or_delegate(ctx.accounts.owner.key()),
MangoError::SomeError
);
let perp_market = ctx.accounts.perp_market.load_mut()?;
let mut book = Orderbook {
bids: ctx.accounts.bids.load_mut()?,
asks: ctx.accounts.asks.load_mut()?,
};
let oo = account
.perp_find_order_with_order_id(perp_market.perp_market_index, order_id)
.ok_or_else(|| {
error_msg!("could not find perp order with id {order_id} in perp market orderbook")
})?;
let order_id = oo.id;
let order_side_and_tree = oo.side_and_tree();
book.cancel_order(
&mut account.borrow_mut(),
order_id,
order_side_and_tree,
Some(ctx.accounts.account.key()),
)?;
Ok(())
}