Function close_program_account

programs/asset/program/src/utils.rs:11–27

(account: &AccountInfo, recipient: &AccountInfo)

#[inline(always)]
pub fn close_program_account(account: &AccountInfo, recipient: &AccountInfo) -> ProgramResult {
    // transfer lamports from the account to the destination account.
    let mut destination_lamports = recipient.try_borrow_mut_lamports()?;
    let mut source_lamports = account.try_borrow_mut_lamports()?;

    *destination_lamports = (*destination_lamports)
        .checked_add(*source_lamports)
        .unwrap();
    *source_lamports = 0;

    // realloc the account data size to 0 bytes and re-assign ownership of
    // the account to the system program
    account.realloc(0, false)?;
    account.assign(&system_program::ID);

    Ok(())
}

#[allow(clippy::manual_try_fold)]
#[inline(always)]