triggr/instructions/
withdraw_from_payer.rs

1pub use crate::state::*;
2use anchor_lang::{
3    prelude::*,
4    system_program::{transfer, System, Transfer},
5};
6
7#[derive(Accounts)]
8pub struct WithdrawFromPayer<'info> {
9    #[account(mut)]
10    authority: Signer<'info>,
11
12    #[account(mut, seeds = ["payer".as_bytes(), authority.key().as_ref()], bump)]
13    payer_pda: SystemAccount<'info>,
14
15    system_program: Program<'info, System>,
16}
17
18pub fn handler(ctx: Context<WithdrawFromPayer>, lamports: u64) -> Result<()> {
19    let payer_seeds = &[
20        "payer".as_bytes(),
21        &ctx.accounts.authority.key().to_bytes()[..],
22        &[ctx.bumps.get("payer_pda").unwrap().clone()],
23    ];
24
25    let payer = &[&payer_seeds[..]];
26
27    let cpi_context = CpiContext::new_with_signer(
28        ctx.accounts.system_program.to_account_info(),
29        Transfer {
30            from: ctx.accounts.payer_pda.to_account_info(),
31            to: ctx.accounts.authority.to_account_info(),
32        },
33        payer,
34    );
35
36    transfer(cpi_context, lamports)?;
37
38    msg!("Withdrawl {} lamports", lamports);
39
40    Ok(())
41}