marsh_api/state/
proof.rs

1use bytemuck::{Pod, Zeroable};
2use marsh_utils::*;
3use solana_program::pubkey::Pubkey;
4
5use crate::consts::PROOF;
6
7use super::MarshAccount;
8
9/// Proof accounts track a miner's current hash, claimable rewards, and lifetime stats.
10/// Every miner is allowed one proof account which is required by the program to mine or claim rewards.
11#[repr(C)]
12#[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]
13pub struct Proof {
14    /// The signer authorized to use this proof.
15    pub authority: Pubkey,
16
17    /// The quantity of tokens this miner has staked or earned.
18    pub balance: u64,
19
20    /// The current mining challenge.
21    pub challenge: [u8; 32],
22
23    /// The last hash the miner provided.
24    pub last_hash: [u8; 32],
25
26    /// The last time this account provided a hash.
27    pub last_hash_at: i64,
28
29    /// The last time stake was deposited into this account.
30    pub last_stake_at: i64,
31
32    /// The keypair which has permission to submit hashes for mining.
33    pub miner: Pubkey,
34
35    /// The total lifetime hashes provided by this miner.
36    pub total_hashes: u64,
37
38    /// The total lifetime rewards distributed to this miner.
39    pub total_rewards: u64,
40}
41
42/// Derive the PDA of a proof account.
43pub fn proof_pda(authority: Pubkey) -> (Pubkey, u8) {
44    Pubkey::find_program_address(&[PROOF, authority.as_ref()], &crate::id())
45}
46
47account!(MarshAccount, Proof);
marsh_api/state/proof.rs

marsh_api/state/
proof.rs
