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reimplement staking multiplier

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This commit is contained in:
Hardhat Chad
2024-09-24 05:28:14 +00:00
parent b828d36b75
commit 70e62a8581
2 changed files with 29 additions and 5 deletions
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24
program/src/mine.rs
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@@ -110,6 +110,30 @@ pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
.checked_mul(2u64.checked_pow(normalized_difficulty).unwrap())
.unwrap();
// Apply staking multiplier.
//
// If user has greater than or equal to the max stake on the network, they receive 2x multiplier.
// Any stake less than this will receives between 1x and 2x multipler. The multipler is only active
// if the miner's last stake deposit was more than one minute ago to protect against flash loan attacks.
let mut bus_data = bus_info.data.borrow_mut();
let bus = Bus::try_from_bytes_mut(&mut bus_data)?;
if proof.balance.gt(&0) && proof.last_stake_at.saturating_add(ONE_MINUTE).lt(&t) {
// Calculate staking reward.
if config.top_balance.gt(&0) {
let staking_reward = (reward as u128)
.checked_mul(proof.balance.min(config.top_balance) as u128)
.unwrap()
.checked_div(config.top_balance as u128)
.unwrap() as u64;
reward = reward.checked_add(staking_reward).unwrap();
}
// Update bus stake tracker.
if proof.balance.gt(&bus.top_balance) {
bus.top_balance = proof.balance;
}
}
// Apply boosts.
//
// Boosts are incentives that can multiply a miner's rewards by staking tokens in the ORE Boosts program.

10
program/src/reset.rs
View File

@@ -56,16 +56,16 @@ pub fn process_reset(accounts: &[AccountInfo<'_>], _data: &[u8]) -> ProgramResul
// Reset bus accounts and calculate actual rewards mined since last reset.
let mut total_remaining_rewards = 0u64;
let mut total_theoretical_rewards = 0u64;
// let mut top_balance = 0u64;
let mut top_balance = 0u64;
for i in 0..BUS_COUNT {
// Parse bus account.
let mut bus_data = busses[i].data.borrow_mut();
let bus = Bus::try_from_bytes_mut(&mut bus_data)?;
// Track top balance.
// if bus.top_balance.gt(&top_balance) {
// top_balance = bus.top_balance;
// }
if bus.top_balance.gt(&top_balance) {
top_balance = bus.top_balance;
}
// Track accumulators.
total_remaining_rewards = total_remaining_rewards.saturating_add(bus.rewards);
@@ -80,7 +80,7 @@ pub fn process_reset(accounts: &[AccountInfo<'_>], _data: &[u8]) -> ProgramResul
let total_epoch_rewards = MAX_EPOCH_REWARDS.saturating_sub(total_remaining_rewards);
// Update global top balance.
config.top_balance = 0; // top_balance;
config.top_balance = top_balance;
// Update base reward rate for next epoch.
config.base_reward_rate =