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fix overflow issue

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This commit is contained in:
Hardhat Chad
2024-08-28 16:37:56 +00:00
parent f88bb945ec
commit 7e6dc82f45
1 changed files with 11 additions and 8 deletions
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19
program/src/mine.rs
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@@ -14,7 +14,6 @@ use ore_boost_api::{
state::{Boost, Stake},
};
use ore_utils::*;
use solana_program::program::set_return_data;
#[allow(deprecated)]
use solana_program::{
account_info::AccountInfo,
@@ -28,6 +27,7 @@ use solana_program::{
slot_hashes::SlotHash,
sysvar::{self, Sysvar},
};
use solana_program::{log, program::set_return_data};
/// Mine validates hashes and increments a miner's collectable balance.
pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult {
@@ -105,15 +105,17 @@ pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
let normalized_difficulty = difficulty
.checked_sub(config.min_difficulty as u32)
.unwrap();
let mut reward = config
let base_reward = config
.base_reward_rate
.checked_mul(2u64.checked_pow(normalized_difficulty).unwrap())
.unwrap();
let mut reward = base_reward;
// Apply boosts.
//
// Boosts are incentives that can multiply a miner's rewards by staking tokens in the ORE Boosts program.
// Up to 3 boosts can be applied on any given mine operation.
log::sol_log(&format!("Base: {}", base_reward));
let mut boosts = [Pubkey::new_from_array([0; 32]); 3];
for i in 0..3 {
if optional_accounts.len().gt(&(i * 2)) {
@@ -140,14 +142,15 @@ pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
// Apply multiplier if last stake was greater than one minute ago.
if stake.last_stake_at.saturating_add(ONE_MINUTE).le(&t) {
let multiplier = boost.multiplier.checked_sub(1).unwrap();
let multiplier_reward = reward
.checked_mul(multiplier)
let boost_reward = (base_reward as u128)
.checked_mul(multiplier as u128)
.unwrap()
.checked_mul(stake.balance)
.checked_mul(stake.balance as u128)
.unwrap()
.checked_div(boost.total_stake)
.unwrap();
reward = reward.checked_add(multiplier_reward).unwrap();
.checked_div(boost.total_stake as u128)
.unwrap() as u64;
log::sol_log(&format!("Boost: {}", boost_reward));
reward = reward.checked_add(boost_reward).unwrap();
}
}
}