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staking

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This commit is contained in:
Hardhat Chad
2024-04-30 18:37:19 +00:00
parent 0c4cdb7b64
commit 5b2463a92f
1 changed files with 8 additions and 5 deletions
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13
src/processor/mine.rs
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@@ -94,16 +94,19 @@ pub fn process_mine<'a, 'info>(
.saturating_mul(2u64.saturating_pow(difficulty));
sol_log(&format!("Base {}", reward));
// Apply staking multiplier, only if last deposit was at least 1 block ago to prevent flash loan attacks.
// Apply staking multiplier.
// To prevent flash loan attacks, multiplier is only applied if the last deposit was at least 1 block ago.
// The multiplier can range 1x to 2x. To get the maximum multiplier, the stake balance must be
// greater than or equal to two years worth of rewards at the selected difficulty.
if clock.slot.gt(&proof.last_deposit_slot) {
let stake_max = reward.saturating_mul(TWO_YEARS);
let upper_bound = reward.saturating_mul(TWO_YEARS);
let staking_reward = proof
.balance
.min(stake_max)
.min(upper_bound)
.saturating_mul(reward)
.saturating_div(stake_max);
sol_log(&format!("Staking {}", staking_reward));
.saturating_div(upper_bound);
reward = reward.saturating_add(staking_reward);
sol_log(&format!("Staking {}", staking_reward));
}
// Apply spam/liveness penalty