112 lines
3.6 KiB
Rust
112 lines
3.6 KiB
Rust
use anchor_lang::prelude::*;
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use super::{OpenOrdersAmounts, OpenOrdersSlim};
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use crate::error::*;
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use crate::logs::Serum3OpenOrdersBalanceLog;
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use crate::serum3_cpi::load_open_orders_ref;
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use crate::state::*;
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#[derive(Accounts)]
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pub struct Serum3CancelAllOrders<'info> {
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pub group: AccountLoader<'info, Group>,
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#[account(
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has_one = group
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// owner is checked at #1
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)]
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pub account: AccountLoader<'info, MangoAccountFixed>,
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pub owner: Signer<'info>,
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#[account(mut)]
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/// CHECK: Validated inline by checking against the pubkey stored in the account at #2
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pub open_orders: UncheckedAccount<'info>,
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#[account(
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has_one = group,
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has_one = serum_program,
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has_one = serum_market_external,
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)]
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pub serum_market: AccountLoader<'info, Serum3Market>,
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/// CHECK: The pubkey is checked and then it's passed to the serum cpi
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pub serum_program: UncheckedAccount<'info>,
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#[account(mut)]
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/// CHECK: The pubkey is checked and then it's passed to the serum cpi
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pub serum_market_external: UncheckedAccount<'info>,
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// These accounts are forwarded directly to the serum cpi call
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// and are validated there.
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#[account(mut)]
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/// CHECK: Validated by the serum cpi call
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pub market_bids: UncheckedAccount<'info>,
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#[account(mut)]
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/// CHECK: Validated by the serum cpi call
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pub market_asks: UncheckedAccount<'info>,
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#[account(mut)]
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/// CHECK: Validated by the serum cpi call
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pub market_event_queue: UncheckedAccount<'info>,
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}
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pub fn serum3_cancel_all_orders(ctx: Context<Serum3CancelAllOrders>, limit: u8) -> Result<()> {
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//
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// Validation
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//
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{
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let account = ctx.accounts.account.load_full()?;
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// account constraint #1
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require!(
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account.fixed.is_owner_or_delegate(ctx.accounts.owner.key()),
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MangoError::SomeError
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);
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let serum_market = ctx.accounts.serum_market.load()?;
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// Validate open_orders #2
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require!(
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account
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.serum3_orders(serum_market.market_index)?
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.open_orders
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== ctx.accounts.open_orders.key(),
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MangoError::SomeError
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);
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}
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//
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// Cancel
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//
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cpi_cancel_all_orders(ctx.accounts, limit)?;
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let serum_market = ctx.accounts.serum_market.load()?;
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let oo_ai = &ctx.accounts.open_orders.as_ref();
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let open_orders = load_open_orders_ref(oo_ai)?;
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let after_oo = OpenOrdersSlim::from_oo(&open_orders);
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emit!(Serum3OpenOrdersBalanceLog {
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mango_group: ctx.accounts.group.key(),
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mango_account: ctx.accounts.account.key(),
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base_token_index: serum_market.base_token_index,
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quote_token_index: serum_market.quote_token_index,
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base_total: after_oo.native_base_total(),
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base_free: after_oo.native_base_free(),
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quote_total: after_oo.native_quote_total(),
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quote_free: after_oo.native_quote_free(),
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referrer_rebates_accrued: after_oo.native_rebates(),
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});
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Ok(())
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}
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fn cpi_cancel_all_orders(ctx: &Serum3CancelAllOrders, limit: u8) -> Result<()> {
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use crate::serum3_cpi;
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let group = ctx.group.load()?;
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serum3_cpi::CancelOrder {
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program: ctx.serum_program.to_account_info(),
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market: ctx.serum_market_external.to_account_info(),
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bids: ctx.market_bids.to_account_info(),
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asks: ctx.market_asks.to_account_info(),
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event_queue: ctx.market_event_queue.to_account_info(),
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open_orders: ctx.open_orders.to_account_info(),
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open_orders_authority: ctx.group.to_account_info(),
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}
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.cancel_all(&group, limit)
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}
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