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lib.rs
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lib.rs
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use anchor_lang::prelude::*;
declare_id!("Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS");
#[program]
mod basic_1 {
use super::*;
pub fn initialize(ctx: Context<Initialize>, data: u64) -> Result<()> {
let my_account = &mut ctx.accounts.my_account;
my_account.data = data;
Ok(())
}
pub fn update(ctx: Context<Update>, data: u64) -> Result<()> {
let my_account = &mut ctx.accounts.my_account;
my_account.data = data;
Ok(())
}
}
#[derive(Accounts)]
pub struct Initialize<'info> {
#[account(init, payer = user, space = 8 + 8)]
pub my_account: Account<'info, MyAccount>,
#[account(mut)]
pub user: Signer<'info>,
pub system_program: Program<'info, System>,
}
#[derive(Accounts)]
pub struct Update<'info> {
#[account(mut)]
pub my_account: Account<'info, MyAccount>,
}
#[account]
pub struct MyAccount {
pub data: u64,
}