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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 7ddcf82ae6
commit eb8ce05049
1 changed files with 5 additions and 2 deletions
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7
program/src/mine.rs
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@@ -96,10 +96,11 @@ 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.
//
@@ -155,7 +156,7 @@ pub fn process_mine(accounts: &[AccountInfo], data: &[u8]) -> ProgramResult {
// Apply multiplier if boost is not expired and last stake at was more than one minute ago.
if boost.expires_at.gt(&t) && stake.last_stake_at.saturating_add(ONE_MINUTE).le(&t) {
let multiplier = boost.multiplier.checked_sub(1).unwrap();
let boost_reward = (reward as u128)
let boost_reward = (base_reward as u128)
.checked_mul(multiplier as u128)
.unwrap()
.checked_mul(stake.balance as u128)
@@ -163,6 +164,8 @@ pub fn process_mine(accounts: &[AccountInfo], data: &[u8]) -> ProgramResult {
.checked_div(boost.total_stake as u128)
.unwrap() as u64;
reward = reward.checked_add(boost_reward).unwrap();
// Log event
sol_log_data(&[(BoostEvent {
mint: boost.mint,
reward: boost_reward,