Function burn_simple 

pub fn burn_simple<'info>(
    mint: AccountInfo<'info>,
    token_program_id: AccountInfo<'info>,
    source_pubkey: AccountInfo<'info>,
    authority_pubkey: AccountInfo<'info>,
    amount: u64,
    signer_seeds: &[&[u8]],
) -> Result<()>

Burns SPL tokens from an account.

This function allows you to burn (destroy) a specified number of SPL tokens from a source account. The transaction is signed using the provided signer_seeds.

Arguments

• mint - The mint account of the token.
• token_program_id - The token program account (usually spl_token).
• source_pubkey - The account from which tokens will be burned.
• authority_pubkey - The account authorized to burn the tokens.
• amount - The amount of tokens to burn.
• signer_seeds - A slice of slices of seeds for signing the transaction.

Example

use simplespl::burn_simple;
use anchor_lang::solana_program::account_info::AccountInfo;

burn_simple(
    mint_account_info,
    token_program_id,
    source_account_info,
    authority_account_info,
    1000, // Burn 1000 tokens
    &[&signer_seeds],
).unwrap();