From 4805add080bbb6c4be33245f1f6505640b01c25b Mon Sep 17 00:00:00 2001
From: andytudhope <tuddy0525@gmail.com>
Date: Wed, 29 May 2019 11:34:38 +0200
Subject: [PATCH] Adds withdrawMax view function for use in UI

---
 contracts/Discover.sol | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/contracts/Discover.sol b/contracts/Discover.sol
index 43d0b46..c3cbdcb 100644
--- a/contracts/Discover.sol
+++ b/contracts/Discover.sol
@@ -96,6 +96,17 @@ contract Discover is ApproveAndCallFallBack, BancorFormula {
         _downvote(msg.sender, _id, _amount);
     }
 
+    /**
+     * @dev Developers can withdraw an amount not more than what was available of the
+        SNT they originally staked minus what they have already received back in downvotes.
+     * @param _id bytes32 unique identifier.
+     * @return max SNT that can be withdrawn == available SNT for DApp.
+     */
+    function withdrawMax(bytes32 _id) external view returns(uint) {
+        Data storage d = _getDAppById(_id);
+        return d.available;
+    }
+
     /**
      * @dev Developers can withdraw an amount not more than what was available of the
         SNT they originally staked minus what they have already received back in downvotes.