From e684a987cc430164c289b151144be09c5d75d352 Mon Sep 17 00:00:00 2001
From: Sebastian Grewe <sebastian@grewe.ca>
Date: Thu, 20 Mar 2014 12:11:35 +0100
Subject: [PATCH] [ADDED] Calc Coin PPS Value Method

---
 cronjobs/pps_payout.php                          | 2 +-
 public/include/classes/coins/coin_base.class.php | 8 ++++++++
 public/include/classes/statistics.class.php      | 2 +-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/cronjobs/pps_payout.php b/cronjobs/pps_payout.php
index d7036ee0..cc1cbad1 100755
--- a/cronjobs/pps_payout.php
+++ b/cronjobs/pps_payout.php
@@ -63,7 +63,7 @@ if ($config['pps']['reward']['type'] == 'blockavg' && $block->getBlockCount() >
 }
 
 // Per-share value to be paid out to users
-$pps_value = round($pps_reward / (pow(2, $coin->getTargetBits()) * $dDifficulty), 12);
+$pps_value = round($coin->calcPPSValue($pps_reward, $dDifficulty), 12);
 
 // Find our last share accounted and last inserted share for PPS calculations
 if (!$iPreviousShareId = $setting->getValue('pps_last_share_id')) {
diff --git a/public/include/classes/coins/coin_base.class.php b/public/include/classes/coins/coin_base.class.php
index 79e74c58..64e412e2 100644
--- a/public/include/classes/coins/coin_base.class.php
+++ b/public/include/classes/coins/coin_base.class.php
@@ -19,6 +19,14 @@ class CoinBase extends Base {
     return $this->target_bits;
   }
 
+  /**
+   * Calculate the PPS value for this coin
+   * WARNING: Get this wrong and you will over- or underpay your miners!
+   **/
+  public function calcPPSValue($pps_reward, $dDifficulty) {
+    return ($pps_reward / (pow(2, $this->target_bits) * $dDifficulty));
+  }
+
   /**
    * Calculate our hashrate based on shares inserted to DB
    * We use diff1 share values, not a baseline one
diff --git a/public/include/classes/statistics.class.php b/public/include/classes/statistics.class.php
index b04bff4a..d368afe4 100644
--- a/public/include/classes/statistics.class.php
+++ b/public/include/classes/statistics.class.php
@@ -892,7 +892,7 @@ class Statistics extends Base {
         $pps_reward = $this->config['pps']['reward']['default'];
       }
     }
-    return round($pps_reward / (pow(2, $this->coin->getTargetBits()) * $dDifficulty), 12);
+    return round($this->coin->calcPPSValue($pps_reward, $dDifficulty), 12);
   }
 
   /**