From 1de5a303f43a9641a7079116b0d8fad3e996106a Mon Sep 17 00:00:00 2001
From: Hadrien Charlanes <hadrien@variabl.io>
Date: Fri, 30 Apr 2021 17:35:16 +0200
Subject: [PATCH] feat: implemented supply cap

---
 contracts/protocol/libraries/logic/ValidationLogic.sol | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/contracts/protocol/libraries/logic/ValidationLogic.sol b/contracts/protocol/libraries/logic/ValidationLogic.sol
index bb697fe6..daa048fd 100644
--- a/contracts/protocol/libraries/logic/ValidationLogic.sol
+++ b/contracts/protocol/libraries/logic/ValidationLogic.sol
@@ -46,6 +46,13 @@ library ValidationLogic {
     require(amount != 0, Errors.VL_INVALID_AMOUNT);
     require(isActive, Errors.VL_NO_ACTIVE_RESERVE);
     require(!isFrozen, Errors.VL_RESERVE_FROZEN);
+    require(
+      IERC20(reserve.aTokenAddress)
+        .totalSupply()
+        .add(amount)
+        .div(10 ** reserve.configuration.getDecimals()) < reserve.configuration.getSupplyCap(),
+      Errors.VL_SUPPLY_CAP_EXCEEDED
+    );
   }
 
   /**