25 lines
868 B
Rust
25 lines
868 B
Rust
use crate::error::ErrorCode;
|
|
use solana_program::account_info::AccountInfo;
|
|
use solana_program::entrypoint::ProgramResult;
|
|
use std::io::Write;
|
|
|
|
pub fn close<'info>(
|
|
info: AccountInfo<'info>,
|
|
sol_destination: AccountInfo<'info>,
|
|
) -> ProgramResult {
|
|
// Transfer tokens from the account to the sol_destination.
|
|
let dest_starting_lamports = sol_destination.lamports();
|
|
**sol_destination.lamports.borrow_mut() =
|
|
dest_starting_lamports.checked_add(info.lamports()).unwrap();
|
|
**info.lamports.borrow_mut() = 0;
|
|
|
|
// Mark the account discriminator as closed.
|
|
let mut data = info.try_borrow_mut_data()?;
|
|
let dst: &mut [u8] = &mut data;
|
|
let mut cursor = std::io::Cursor::new(dst);
|
|
cursor
|
|
.write_all(&crate::__private::CLOSED_ACCOUNT_DISCRIMINATOR)
|
|
.map_err(|_| ErrorCode::AccountDidNotSerialize)?;
|
|
Ok(())
|
|
}
|