From dae14334d3a889ca6eff6719956120d409303545 Mon Sep 17 00:00:00 2001
From: Hardhat Chad <hardhatchad@gmail.com>
Date: Tue, 24 Sep 2024 05:55:15 +0000
Subject: [PATCH] skip duplicate boost

---
 api/src/error.rs    | 2 --
 program/src/mine.rs | 7 +++----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/api/src/error.rs b/api/src/error.rs
index 2e3d81e..b0653ba 100644
--- a/api/src/error.rs
+++ b/api/src/error.rs
@@ -21,8 +21,6 @@ pub enum OreError {
     MaxSupply = 6,
     #[error("The proof does not match the expected account")]
     AuthFailed = 7,
-    #[error("The same boost cannot be applied twice")]
-    DuplicateBoost = 8,
 }
 
 error!(OreError);
diff --git a/program/src/mine.rs b/program/src/mine.rs
index d0fc76a..488a09b 100644
--- a/program/src/mine.rs
+++ b/program/src/mine.rs
@@ -148,9 +148,9 @@ pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
             load_any_boost(&boost_info, false)?;
             load_stake(&stake_info, &proof.authority, boost_info.key, false)?;
 
-            // Reject if boost is applied twice.
+            // Skip if boost is applied twice.
             if boosts.contains(boost_info.key) {
-                return Err(OreError::DuplicateBoost.into());
+                continue;
             }
 
             // Record this boost has been used.
@@ -162,8 +162,7 @@ pub fn process_mine(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult
             let stake_data = stake_info.data.borrow();
             let stake = Stake::try_from_bytes(&stake_data)?;
 
-            // Apply multiplier if boost is not expired and
-            // last stake was greater than one minute ago.
+            // 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)