anchor/examples/tutorial/basic-3/programs/puppet/src/lib.rs

38 lines
792 B
Rust

use anchor_lang::prelude::*;
declare_id!("Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS");
#[program]
pub mod puppet {
use super::*;
pub fn initialize(_ctx: Context<Initialize>) -> Result<()> {
Ok(())
}
pub fn set_data(ctx: Context<SetData>, data: u64) -> Result<()> {
let puppet = &mut ctx.accounts.puppet;
puppet.data = data;
Ok(())
}
}
#[derive(Accounts)]
pub struct Initialize<'info> {
#[account(init, payer = user, space = 8 + 8)]
pub puppet: Account<'info, Data>,
#[account(mut)]
pub user: Signer<'info>,
pub system_program: Program<'info, System>,
}
#[derive(Accounts)]
pub struct SetData<'info> {
#[account(mut)]
pub puppet: Account<'info, Data>,
}
#[account]
pub struct Data {
pub data: u64,
}