metadata.rs

gistfile1.txt

use mpl_token_metadata::{instruction::create_metadata_accounts_v3, state::Creator as creator_struct};

pub fn create_metadata(&mut self, name: String, symbol: String, uri: String) -> Result<()> {
        let seeds = &[
            &b"creator"[..],
            &self.creator.tweet_id.to_le_bytes()[..],
            &[self.creator.state_bump],
        ];

        let program_id = self.metadata_program.key();
        let metadata = self.metadata.key();
        let mint = self.mint.key();
        let mint_authority = self.creator.key();
        let payer = self.pool_creator.key();

        let create_metadata_ix = create_metadata_accounts_v3(
            program_id,
            metadata,
            mint,
            mint_authority,
            payer,
            mint_authority,
            name,
            symbol,
            uri,
            Some(vec![creator_struct {
                address: mint_authority,
                verified: true,
                share: 100,
            }]),
            0,
            false,
            false,
            None,
            None,
            None,
        );

        invoke_signed(
            &create_metadata_ix,
            &[
                self.metadata.to_account_info(),
                self.mint.to_account_info(),
                self.creator.to_account_info(),
                self.pool_creator.to_account_info(),
                self.creator.to_account_info(),
                self.system_program.to_account_info(),
                self.rent_program.to_account_info(),
            ],
            &[&seeds[..]],
        )?;      

        Ok(())
    }