percli_program/instructions/
deposit.rs

1use anchor_lang::prelude::*;
2
3use crate::error::{from_risk_error, PercolatorError};
4use crate::state::{engine_from_account_data, MARKET_ACCOUNT_SIZE};
5
6#[derive(Accounts)]
7pub struct Deposit<'info> {
8    #[account(mut)]
9    pub user: Signer<'info>,
10
11    /// CHECK: Validated via discriminator, PDA seeds, and size.
12    #[account(
13        mut,
14        constraint = market.data_len() == MARKET_ACCOUNT_SIZE @ PercolatorError::AccountNotFound,
15    )]
16    pub market: UncheckedAccount<'info>,
17
18    pub system_program: Program<'info, System>,
19}
20
21pub fn handler(ctx: Context<Deposit>, account_idx: u16, amount: u128) -> Result<()> {
22    let market = &ctx.accounts.market;
23    let mut data = market.try_borrow_mut_data()?;
24
25    // Validate discriminator
26    require!(&data[0..8] == b"percmrkt", PercolatorError::AccountNotFound);
27
28    let engine = engine_from_account_data(&mut data);
29    let oracle_price = engine.last_oracle_price;
30    let clock = Clock::get()?;
31
32    engine
33        .deposit(account_idx, amount, oracle_price, clock.slot)
34        .map_err(from_risk_error)?;
35
36    // TODO: integrate SPL token transfer from user to vault
37
38    Ok(())
39}
percli_program/instructions/deposit.rs

percli_program/instructions/
deposit.rs
