anchor-spl 1.0.1

CPI clients for SPL programs
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

// Avoiding AccountInfo deprecated msg in anchor context
#![allow(deprecated)]
use {
    anchor_lang::{
        context::CpiContext,
        solana_program::{account_info::AccountInfo, pubkey::Pubkey},
        Accounts, Result,
    },
    spl_token_2022_interface as spl_token_2022,
};

pub fn mint_close_authority_initialize<'info>(
    ctx: CpiContext<'_, '_, '_, 'info, MintCloseAuthorityInitialize<'info>>,
    authority: Option<&Pubkey>,
) -> Result<()> {
    let ix = spl_token_2022::instruction::initialize_mint_close_authority(
        ctx.accounts.token_program_id.key,
        ctx.accounts.mint.key,
        authority,
    )?;
    anchor_lang::solana_program::program::invoke_signed(
        &ix,
        &[ctx.accounts.token_program_id, ctx.accounts.mint],
        ctx.signer_seeds,
    )
    .map_err(Into::into)
}

#[derive(Accounts)]
pub struct MintCloseAuthorityInitialize<'info> {
    pub token_program_id: AccountInfo<'info>,
    pub mint: AccountInfo<'info>,
}