miclockwork_network_program/instructions/
penalty_claim.rs

1use {
2    crate::{errors::*, state::*},
3    anchor_lang::prelude::*,
4};
5
6#[derive(Accounts)]
7pub struct PenaltyClaim<'info> {
8    #[account(mut, address = config.admin)]
9    pub admin: Signer<'info>,
10
11    #[account(address = Config::pubkey())]
12    pub config: Account<'info, Config>,
13
14    #[account(mut)]
15    pub pay_to: SystemAccount<'info>,
16
17    #[account(
18        mut,
19        seeds = [
20            SEED_PENALTY,
21            penalty.worker.as_ref(),
22        ],
23        bump,
24    )]
25    pub penalty: Account<'info, Penalty>,
26}
27
28pub fn handler(ctx: Context<PenaltyClaim>) -> Result<()> {
29    // Get accounts.
30    let penalty = &mut ctx.accounts.penalty;
31    let pay_to = &mut ctx.accounts.pay_to;
32
33    // Calculate how  many lamports are
34    let lamport_balance = penalty.to_account_info().lamports();
35    let data_len = 8 + penalty.try_to_vec()?.len();
36    let min_rent_balance = Rent::get().unwrap().minimum_balance(data_len);
37    let claimable_balance = lamport_balance.checked_sub(min_rent_balance).unwrap();
38    require!(
39        claimable_balance.gt(&0),
40        ClockworkError::InsufficientPenaltyBalance
41    );
42
43    // Pay reimbursment for base transaction fee
44    **penalty.to_account_info().try_borrow_mut_lamports()? = penalty
45        .to_account_info()
46        .lamports()
47        .checked_sub(claimable_balance)
48        .unwrap();
49    **pay_to.to_account_info().try_borrow_mut_lamports()? = pay_to
50        .to_account_info()
51        .lamports()
52        .checked_add(claimable_balance)
53        .unwrap();
54
55    Ok(())
56}
miclockwork_network_program/instructions/penalty_claim.rs

miclockwork_network_program/instructions/
penalty_claim.rs
