triggr-program 0.1.1

Created with Anchor
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

pub use crate::state::*;
use anchor_lang::{
    prelude::*,
    system_program::{transfer, System, Transfer},
};

#[derive(Accounts)]
pub struct WithdrawFromPayer<'info> {
    #[account(mut)]
    authority: Signer<'info>,

    #[account(mut, seeds = ["payer".as_bytes(), authority.key().as_ref()], bump)]
    payer_pda: SystemAccount<'info>,

    system_program: Program<'info, System>,
}

pub fn handler(ctx: Context<WithdrawFromPayer>, lamports: u64) -> Result<()> {
    let payer_seeds = &[
        "payer".as_bytes(),
        &ctx.accounts.authority.key().to_bytes()[..],
        &[ctx.bumps.get("payer_pda").unwrap().clone()],
    ];

    let payer = &[&payer_seeds[..]];

    let cpi_context = CpiContext::new_with_signer(
        ctx.accounts.system_program.to_account_info(),
        Transfer {
            from: ctx.accounts.payer_pda.to_account_info(),
            to: ctx.accounts.authority.to_account_info(),
        },
        payer,
    );

    transfer(cpi_context, lamports)?;

    msg!("Withdrawl {} lamports", lamports);

    Ok(())
}