anchor_spl/token_2022_extensions/
metadata_pointer.rs

1use anchor_lang::solana_program::account_info::AccountInfo;
2use anchor_lang::solana_program::pubkey::Pubkey;
3use anchor_lang::Result;
4use anchor_lang::{context::CpiContext, Accounts};
5
6pub fn metadata_pointer_initialize<'info>(
7    ctx: CpiContext<'_, '_, '_, 'info, MetadataPointerInitialize<'info>>,
8    authority: Option<Pubkey>,
9    metadata_address: Option<Pubkey>,
10) -> Result<()> {
11    let ix = spl_token_2022::extension::metadata_pointer::instruction::initialize(
12        ctx.accounts.token_program_id.key,
13        ctx.accounts.mint.key,
14        authority,
15        metadata_address,
16    )?;
17    anchor_lang::solana_program::program::invoke_signed(
18        &ix,
19        &[ctx.accounts.token_program_id, ctx.accounts.mint],
20        ctx.signer_seeds,
21    )
22    .map_err(Into::into)
23}
24
25#[derive(Accounts)]
26pub struct MetadataPointerInitialize<'info> {
27    pub token_program_id: AccountInfo<'info>,
28    pub mint: AccountInfo<'info>,
29}