From 3c3a01b80f29722c5276ef9e2c8065b1ba39201a Mon Sep 17 00:00:00 2001
From: The3D <emilio@aave.com>
Date: Tue, 15 Sep 2020 15:20:32 +0200
Subject: [PATCH] Updated events on debt tokens

---
 contracts/tokenization/StableDebtToken.sol   | 6 ++++++
 contracts/tokenization/VariableDebtToken.sol | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/contracts/tokenization/StableDebtToken.sol b/contracts/tokenization/StableDebtToken.sol
index 8e5da21b..39f614ad 100644
--- a/contracts/tokenization/StableDebtToken.sol
+++ b/contracts/tokenization/StableDebtToken.sol
@@ -132,6 +132,9 @@ contract StableDebtToken is IStableDebtToken, DebtTokenBase {
 
     _mint(user, amount.add(balanceIncrease));
 
+    // transfer event to track balances
+    emit Transfer(address(0), user, amount);
+
     emit MintDebt(
       user,
       amount,
@@ -180,6 +183,9 @@ contract StableDebtToken is IStableDebtToken, DebtTokenBase {
       _burn(user, amount.sub(balanceIncrease));
     }
 
+    // transfer event to track balances
+    emit Transfer(user, address(0), amount);
+ 
     emit BurnDebt(user, amount, previousBalance, currentBalance, balanceIncrease);
   }
 }
diff --git a/contracts/tokenization/VariableDebtToken.sol b/contracts/tokenization/VariableDebtToken.sol
index e52f7c61..106c4520 100644
--- a/contracts/tokenization/VariableDebtToken.sol
+++ b/contracts/tokenization/VariableDebtToken.sol
@@ -79,6 +79,7 @@ contract VariableDebtToken is DebtTokenBase, IVariableDebtToken {
     require(newUserIndex < (1 << 128), 'Debt token: Index overflow');
     _usersData[user] = newUserIndex;
 
+    emit Transfer(address(0), user, amount);
     emit MintDebt(user, amount, previousBalance, currentBalance, balanceIncrease, newUserIndex);
   }
 
@@ -108,6 +109,8 @@ contract VariableDebtToken is DebtTokenBase, IVariableDebtToken {
     }
     _usersData[user] = newUserIndex;
 
+    // transfer event to track the balances
+    emit Transfer(user, address(0), amount);
     emit BurnDebt(user, amount, previousBalance, currentBalance, balanceIncrease, newUserIndex);
   }
 }