name-tokenizer 2.1.0

A Solana program which enables the tokenization of a Solana Name Service into an NFT
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135

//! Unverify an NFT

use mpl_token_metadata::{
    accounts::{MasterEdition, Metadata},
    instructions::{UnverifyCollectionCpi, UnverifyCollectionCpiAccounts},
};

use crate::state::{COLLECTION_PREFIX, METADATA_SIGNER};

use {
    bonfida_utils::{
        checks::{check_account_key, check_account_owner, check_signer},
        BorshSize, InstructionsAccount,
    },
    borsh::{BorshDeserialize, BorshSerialize},
    solana_program::{
        account_info::{next_account_info, AccountInfo},
        entrypoint::ProgramResult,
        program_error::ProgramError,
        pubkey::Pubkey,
        system_program, sysvar,
    },
};

#[derive(BorshDeserialize, BorshSerialize, BorshSize)]
pub struct Params {}

#[derive(InstructionsAccount)]
pub struct Accounts<'a, T> {
    /// The metadata account
    #[cons(writable)]
    pub metadata_account: &'a T,

    /// Master edition account
    pub edition_account: &'a T,

    /// Collection
    pub collection_metadata: &'a T,

    /// Mint of the collection
    pub collection_mint: &'a T,

    /// The central state account
    #[cons(writable)]
    pub central_state: &'a T,

    /// The fee payer account
    #[cons(writable, signer)]
    pub fee_payer: &'a T,

    /// The metadata program account
    pub metadata_program: &'a T,

    /// The system program account
    pub system_program: &'a T,

    /// Rent sysvar account
    pub rent_account: &'a T,

    /// The metadata signer
    #[cons(signer)]
    #[cfg(not(feature = "devnet"))]
    pub metadata_signer: &'a T,
}

impl<'a, 'b: 'a> Accounts<'a, AccountInfo<'b>> {
    pub fn parse(accounts: &'a [AccountInfo<'b>]) -> Result<Self, ProgramError> {
        let accounts_iter = &mut accounts.iter();
        let accounts = Accounts {
            metadata_account: next_account_info(accounts_iter)?,
            edition_account: next_account_info(accounts_iter)?,
            collection_metadata: next_account_info(accounts_iter)?,
            collection_mint: next_account_info(accounts_iter)?,
            central_state: next_account_info(accounts_iter)?,
            fee_payer: next_account_info(accounts_iter)?,
            metadata_program: next_account_info(accounts_iter)?,
            system_program: next_account_info(accounts_iter)?,
            rent_account: next_account_info(accounts_iter)?,
            #[cfg(not(feature = "devnet"))]
            metadata_signer: next_account_info(accounts_iter)?,
        };

        // Check keys
        check_account_key(accounts.central_state, &crate::central_state::KEY)?;
        check_account_key(accounts.metadata_program, &mpl_token_metadata::ID)?;
        check_account_key(accounts.system_program, &system_program::ID)?;
        check_account_key(accounts.rent_account, &sysvar::rent::ID)?;
        #[cfg(not(feature = "devnet"))]
        check_account_key(accounts.metadata_signer, &METADATA_SIGNER)?;

        // Check owners
        check_account_owner(accounts.metadata_account, &mpl_token_metadata::ID)?;
        check_account_owner(accounts.edition_account, &mpl_token_metadata::ID)?;
        check_account_owner(accounts.collection_metadata, &mpl_token_metadata::ID)?;
        check_account_owner(accounts.collection_mint, &spl_token::ID)?;

        #[cfg(not(feature = "devnet"))]
        check_signer(accounts.metadata_signer)?;

        Ok(accounts)
    }
}

pub fn process(program_id: &Pubkey, accounts: &[AccountInfo], _params: Params) -> ProgramResult {
    let accounts = Accounts::parse(accounts)?;

    // Verify edition PDA
    let (collection_mint, _) =
        Pubkey::find_program_address(&[COLLECTION_PREFIX, &program_id.to_bytes()], program_id);
    check_account_key(accounts.collection_mint, &collection_mint)?;

    let (edition_key, _) = MasterEdition::find_pda(&collection_mint);
    check_account_key(accounts.edition_account, &edition_key)?;

    // Verify collection metadata PDA
    let (collection_metadata, _) = Metadata::find_pda(&collection_mint);
    check_account_key(accounts.collection_metadata, &collection_metadata)?;

    let seeds: &[&[u8]] = &[&program_id.to_bytes(), &[crate::central_state::NONCE]];

    UnverifyCollectionCpi::new(
        accounts.metadata_program,
        UnverifyCollectionCpiAccounts {
            metadata: accounts.metadata_account,
            collection_authority: accounts.central_state,
            collection_mint: accounts.collection_mint,
            collection: accounts.collection_metadata,
            collection_master_edition_account: accounts.edition_account,
            collection_authority_record: None,
        },
    )
    .invoke_signed(&[seeds])?;

    Ok(())
}