fltemp 0.1.0

Flash Trade - Solana Perpetuals Exchange
Documentation 
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//! SetPermissions instruction handler

use {
    crate::{
        error::PerpetualsError,
        state::{
            multisig::{AdminInstruction, Multisig},
            perpetuals::Perpetuals,
        },
    },
    anchor_lang::prelude::*,
};

#[derive(Accounts)]
pub struct SetPermissions<'info> {
    #[account()]
    pub admin: Signer<'info>,

    #[account(
        mut,
        seeds = [b"multisig"],
        bump = multisig.load()?.bump
    )]
    pub multisig: AccountLoader<'info, Multisig>,

    #[account(
        mut,
        seeds = [b"perpetuals"],
        bump = perpetuals.perpetuals_bump
    )]
    pub perpetuals: Box<Account<'info, Perpetuals>>,
}

#[derive(AnchorSerialize, AnchorDeserialize)]
pub struct SetPermissionsParams {
    pub allow_swap: bool,
    pub allow_add_liquidity: bool,
    pub allow_remove_liquidity: bool,
    pub allow_open_position: bool,
    pub allow_close_position: bool,
    pub allow_pnl_withdrawal: bool,
    pub allow_collateral_withdrawal: bool,
    pub allow_size_change: bool,
}

pub fn set_permissions<'info>(
    ctx: Context<'_, '_, '_, 'info, SetPermissions<'info>>,
    params: &SetPermissionsParams,
) -> Result<u8> {
    // validate signatures
    let mut multisig = ctx.accounts.multisig.load_mut()?;

    let signatures_left = multisig.sign_multisig(
        &ctx.accounts.admin,
        &Multisig::get_account_infos(&ctx)[1..],
        &Multisig::get_instruction_data(AdminInstruction::SetPermissions, params)?,
    )?;
    if signatures_left > 0 {
        msg!(
            "Instruction has been signed but more signatures are required: {}",
            signatures_left
        );
        return Ok(signatures_left);
    }

    // update permissions
    let perpetuals = ctx.accounts.perpetuals.as_mut();
    perpetuals.permissions.allow_swap = params.allow_swap;
    perpetuals.permissions.allow_add_liquidity = params.allow_add_liquidity;
    perpetuals.permissions.allow_remove_liquidity = params.allow_remove_liquidity;
    perpetuals.permissions.allow_open_position = params.allow_open_position;
    perpetuals.permissions.allow_close_position = params.allow_close_position;
    perpetuals.permissions.allow_pnl_withdrawal = params.allow_pnl_withdrawal;
    perpetuals.permissions.allow_collateral_withdrawal = params.allow_collateral_withdrawal;
    perpetuals.permissions.allow_size_change = params.allow_size_change;

    if !perpetuals.validate() {
        err!(PerpetualsError::InvalidPerpetualsConfig)
    } else {
        Ok(0)
    }
}