clockwork-network-program 2.0.19

Clockwork networking protocol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153

use anchor_lang::{prelude::*, solana_program::instruction::Instruction, InstructionData};
use anchor_spl::{
    associated_token::get_associated_token_address,
    token::{transfer, Token, TokenAccount, Transfer},
};
use clockwork_utils::thread::ThreadResponse;

use crate::state::*;

#[derive(Accounts)]
pub struct StakeDelegationsProcessDelegation<'info> {
    #[account(address = Config::pubkey())]
    pub config: Account<'info, Config>,

    #[account(
        mut,
        seeds = [
            SEED_DELEGATION,
            delegation.worker.as_ref(),
            delegation.id.to_be_bytes().as_ref(),
        ],
        bump,
        has_one = worker
    )]
    pub delegation: Account<'info, Delegation>,

    #[account(
        mut,
        associated_token::authority = delegation,
        associated_token::mint = config.mint,
    )]
    pub delegation_stake: Account<'info, TokenAccount>,

    #[account(
        address = Registry::pubkey(),
        constraint = registry.locked
    )]
    pub registry: Account<'info, Registry>,

    #[account(address = config.epoch_thread)]
    pub thread: Signer<'info>,

    #[account(address = anchor_spl::token::ID)]
    pub token_program: Program<'info, Token>,

    #[account(address = worker.pubkey())]
    pub worker: Account<'info, Worker>,

    #[account(
        mut,
        associated_token::authority = worker,
        associated_token::mint = config.mint,
    )]
    pub worker_stake: Account<'info, TokenAccount>,
}

pub fn handler(ctx: Context<StakeDelegationsProcessDelegation>) -> Result<ThreadResponse> {
    // Get accounts.
    let config = &ctx.accounts.config;
    let delegation = &mut ctx.accounts.delegation;
    let delegation_stake = &mut ctx.accounts.delegation_stake;
    let registry = &ctx.accounts.registry;
    let thread = &ctx.accounts.thread;
    let token_program = &ctx.accounts.token_program;
    let worker = &ctx.accounts.worker;
    let worker_stake = &ctx.accounts.worker_stake;

    // Transfer tokens from delegation to worker account.
    let amount = delegation_stake.amount;
    let bump = ctx.bumps.delegation;
    transfer(
        CpiContext::new_with_signer(
            token_program.to_account_info(),
            Transfer {
                from: delegation_stake.to_account_info(),
                to: worker_stake.to_account_info(),
                authority: delegation.to_account_info(),
            },
            &[&[
                SEED_DELEGATION,
                delegation.worker.as_ref(),
                delegation.id.to_be_bytes().as_ref(),
                &[bump],
            ]],
        ),
        amount,
    )?;

    // Update the delegation's stake amount.
    delegation.stake_amount = delegation.stake_amount.checked_add(amount).unwrap();

    // Build next instruction for the thread.
    let dynamic_instruction = if delegation
        .id
        .checked_add(1)
        .unwrap()
        .lt(&worker.total_delegations)
    {
        // This worker has more delegations, continue locking their stake.
        let next_delegation_pubkey =
            Delegation::pubkey(worker.key(), delegation.id.checked_add(1).unwrap());
        Some(
            Instruction {
                program_id: crate::ID,
                accounts: crate::accounts::StakeDelegationsProcessDelegation {
                    config: config.key(),
                    delegation: next_delegation_pubkey,
                    delegation_stake: get_associated_token_address(
                        &next_delegation_pubkey,
                        &config.mint,
                    ),
                    registry: registry.key(),
                    thread: thread.key(),
                    token_program: token_program.key(),
                    worker: worker.key(),
                    worker_stake: worker_stake.key(),
                }
                .to_account_metas(Some(true)),
                data: crate::instruction::StakeDelegationsProcessDelegation {}.data(),
            }
            .into(),
        )
    } else if worker
        .id
        .checked_add(1)
        .unwrap()
        .lt(&registry.total_workers)
    {
        // This worker has no more delegations, move on to the next worker.
        Some(
            Instruction {
                program_id: crate::ID,
                accounts: crate::accounts::StakeDelegationsProcessWorker {
                    config: config.key(),
                    registry: registry.key(),
                    thread: thread.key(),
                    worker: Worker::pubkey(worker.id.checked_add(1).unwrap()),
                }
                .to_account_metas(Some(true)),
                data: crate::instruction::StakeDelegationsProcessWorker {}.data(),
            }
            .into(),
        )
    } else {
        None
    };

    Ok(ThreadResponse {
        dynamic_instruction,
        close_to: None,
        trigger: None,
    })
}