miclockwork_network_program/instructions/
delegation_create.rs

1use {
2    crate::state::*,
3    anchor_lang::{
4        prelude::*,
5        solana_program::{system_program, sysvar},
6    },
7    anchor_spl::{
8        associated_token::AssociatedToken,
9        token::{Mint, Token, TokenAccount},
10    },
11    std::mem::size_of,
12};
13
14#[derive(Accounts)]
15pub struct DelegationCreate<'info> {
16    #[account(address = anchor_spl::associated_token::ID)]
17    pub associated_token_program: Program<'info, AssociatedToken>,
18
19    #[account(mut)]
20    pub authority: Signer<'info>,
21
22    #[account(address = Config::pubkey())]
23    pub config: Account<'info, Config>,
24
25    #[account(
26        init,
27        seeds = [
28            SEED_DELEGATION,
29            worker.key().as_ref(),
30            worker.total_delegations.to_be_bytes().as_ref(),
31        ],
32        bump,
33        payer = authority,
34        space = 8 + size_of::<Delegation>(),
35    )]
36    pub delegation: Account<'info, Delegation>,
37
38    #[account(
39        init,
40        payer = authority,
41        associated_token::authority = delegation,
42        associated_token::mint = mint,
43    )]
44    pub delegation_tokens: Account<'info, TokenAccount>,
45
46    #[account(address = config.mint)]
47    pub mint: Account<'info, Mint>,
48
49    #[account(address = sysvar::rent::ID)]
50    pub rent: Sysvar<'info, Rent>,
51
52    #[account(address = system_program::ID)]
53    pub system_program: Program<'info, System>,
54
55    #[account(address = anchor_spl::token::ID)]
56    pub token_program: Program<'info, Token>,
57
58    #[account(
59        mut,
60        seeds = [
61            SEED_WORKER,
62            worker.id.to_be_bytes().as_ref(),
63        ],
64        bump
65    )]
66    pub worker: Account<'info, Worker>,
67}
68
69pub fn handler(ctx: Context<DelegationCreate>) -> Result<()> {
70    // Get accounts
71    let authority = &ctx.accounts.authority;
72    let delegation = &mut ctx.accounts.delegation;
73    let worker = &mut ctx.accounts.worker;
74
75    // Initialize the delegation account.
76    delegation.init(authority.key(), worker.total_delegations, worker.key())?;
77
78    // Increment the worker's total delegations counter.
79    worker.total_delegations = worker.total_delegations.checked_add(1).unwrap();
80
81    Ok(())
82}
miclockwork_network_program/instructions/delegation_create.rs

miclockwork_network_program/instructions/
delegation_create.rs
