47 lines
1.1 KiB
Rust
47 lines
1.1 KiB
Rust
use anchor_lang::prelude::*;
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use anchor_lang::solana_program::system_program;
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declare_id!("Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS");
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#[program]
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mod basic_2 {
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use super::*;
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pub fn create(ctx: Context<Create>, authority: Pubkey) -> ProgramResult {
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let counter = &mut ctx.accounts.counter;
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counter.authority = authority;
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counter.count = 0;
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Ok(())
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}
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pub fn increment(ctx: Context<Increment>) -> ProgramResult {
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let counter = &mut ctx.accounts.counter;
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counter.count += 1;
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Ok(())
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}
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}
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#[derive(Accounts)]
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pub struct Create<'info> {
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#[account(init, payer = user, space = 8 + 40)]
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pub counter: Account<'info, Counter>,
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#[account(signer)]
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pub user: AccountInfo<'info>,
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#[account(address = system_program::ID)]
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pub system_program: AccountInfo<'info>,
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}
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#[derive(Accounts)]
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pub struct Increment<'info> {
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#[account(mut, has_one = authority)]
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pub counter: Account<'info, Counter>,
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#[account(signer)]
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pub authority: AccountInfo<'info>,
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}
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#[account]
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pub struct Counter {
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pub authority: Pubkey,
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pub count: u64,
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}
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