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• .. (вверх)
• [DIR] ..
• [FILE] accountType.ts
• [DIR] defaultAccountState
• [FILE] extensionType.ts
• [FILE] immutableOwner.ts
• [FILE] index.ts
• [DIR] interestBearingMint
• [DIR] memoTransfer
• [FILE] mintCloseAuthority.ts
• [FILE] nonTransferable.ts
• [DIR] transferFee

Просмотр файла: mintCloseAuthority.ts

import { struct } from '@solana/buffer-layout';
import { publicKey } from '@solana/buffer-layout-utils';
import { PublicKey } from '@solana/web3.js';
import { Mint } from '../state/mint';
import { ExtensionType, getExtensionData } from './extensionType';

/** MintCloseAuthority as stored by the program */
export interface MintCloseAuthority {
    closeAuthority: PublicKey;
}

/** Buffer layout for de/serializing a mint */
export const MintCloseAuthorityLayout = struct<MintCloseAuthority>([publicKey('closeAuthority')]);

export const MINT_CLOSE_AUTHORITY_SIZE = MintCloseAuthorityLayout.span;

export function getMintCloseAuthority(mint: Mint): MintCloseAuthority | null {
    const extensionData = getExtensionData(ExtensionType.MintCloseAuthority, mint.tlvData);
    if (extensionData !== null) {
        return MintCloseAuthorityLayout.decode(extensionData);
    } else {
        return null;
    }
}

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