ore_api/state/
miner.rs

1use serde::{Deserialize, Serialize};
2use steel::*;
3
4use crate::state::{miner_pda, Treasury};
5
6use super::OreAccount;
7
8#[repr(C)]
9#[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable, Serialize, Deserialize)]
10pub struct Miner {
11    /// The authority of this miner account.
12    pub authority: Pubkey,
13
14    /// The miner's prospects in the current round.
15    pub deployed: [u64; 25],
16
17    /// The cumulative amount of SOL deployed on each square prior to this miner's move.
18    pub cumulative: [u64; 25],
19
20    /// SOL witheld in reserve to pay for checkpointing.
21    pub checkpoint_fee: u64,
22
23    /// The last round that this miner checkpointed.
24    pub checkpoint_id: u64,
25
26    /// The last time this miner claimed ORE rewards.
27    pub last_claim_ore_at: i64,
28
29    /// The last time this miner claimed SOL rewards.
30    pub last_claim_sol_at: i64,
31
32    /// The rewards factor last time rewards were updated on this miner account.
33    pub rewards_factor: Numeric,
34
35    /// The amount of SOL this miner can claim.
36    pub rewards_sol: u64,
37
38    /// The amount of ORE this miner can claim.
39    pub rewards_ore: u64,
40
41    /// The amount of ORE this miner has earned from claim fees.
42    pub refined_ore: u64,
43
44    /// The ID of the round this miner last played in.
45    pub round_id: u64,
46
47    /// The total amount of SOL this miner has mined across all blocks.
48    pub lifetime_rewards_sol: u64,
49
50    /// The total amount of ORE this miner has mined across all blocks.
51    pub lifetime_rewards_ore: u64,
52}
53
54impl Miner {
55    pub fn pda(&self) -> (Pubkey, u8) {
56        miner_pda(self.authority)
57    }
58
59    pub fn claim_ore(&mut self, clock: &Clock, treasury: &mut Treasury) -> u64 {
60        self.update_rewards(treasury);
61        let refined_ore = self.refined_ore;
62        let rewards_ore = self.rewards_ore;
63        let mut amount = refined_ore + rewards_ore;
64        self.refined_ore = 0;
65        self.rewards_ore = 0;
66        treasury.total_unclaimed -= rewards_ore;
67        treasury.total_refined -= refined_ore;
68        self.last_claim_ore_at = clock.unix_timestamp;
69
70        // Charge a 10% fee and share with miners who haven't claimed yet.
71        if treasury.total_unclaimed > 0 {
72            let fee = rewards_ore / 10;
73            amount -= fee;
74            treasury.miner_rewards_factor += Numeric::from_fraction(fee, treasury.total_unclaimed);
75            treasury.total_refined += fee;
76            self.lifetime_rewards_ore -= fee;
77        }
78
79        amount
80    }
81
82    pub fn claim_sol(&mut self, clock: &Clock) -> u64 {
83        let amount = self.rewards_sol;
84        self.rewards_sol = 0;
85        self.last_claim_sol_at = clock.unix_timestamp;
86        amount
87    }
88
89    pub fn update_rewards(&mut self, treasury: &Treasury) {
90        // Accumulate rewards, weighted by stake balance.
91        if treasury.miner_rewards_factor > self.rewards_factor {
92            let accumulated_rewards = treasury.miner_rewards_factor - self.rewards_factor;
93            if accumulated_rewards < Numeric::ZERO {
94                panic!("Accumulated rewards is negative");
95            }
96            let personal_rewards = accumulated_rewards * Numeric::from_u64(self.rewards_ore);
97            self.refined_ore += personal_rewards.to_u64();
98            self.lifetime_rewards_ore += personal_rewards.to_u64();
99        }
100
101        // Update this miner account's last seen rewards factor.
102        self.rewards_factor = treasury.miner_rewards_factor;
103    }
104}
105
106account!(OreAccount, Miner);
ore_api/state/miner.rs

ore_api/state/
miner.rs
