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spl_token_2022_interface/extension/
mint_close_authority.rs

1use {
2    crate::extension::{Extension, ExtensionType},
3    bytemuck::{Pod, Zeroable},
4    solana_address::Address,
5    solana_nullable::MaybeNull,
6};
7#[cfg(feature = "serde")]
8use {
9    serde::{Deserialize, Serialize},
10    serde_with::{As, DisplayFromStr},
11};
12
13/// Close authority extension data for mints.
14#[repr(C)]
15#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
16#[cfg_attr(feature = "serde", serde(rename_all = "camelCase"))]
17#[derive(Clone, Copy, Debug, Default, PartialEq, Pod, Zeroable)]
18pub struct MintCloseAuthority {
19    /// Optional authority to close the mint
20    #[cfg_attr(feature = "serde", serde(with = "As::<Option<DisplayFromStr>>"))]
21    pub close_authority: MaybeNull<Address>,
22}
23impl Extension for MintCloseAuthority {
24    const TYPE: ExtensionType = ExtensionType::MintCloseAuthority;
25}