From 093e6925733b62b4ae4ae7fad528d15b6c9779af Mon Sep 17 00:00:00 2001
From: eboado <ernesto.boado.moreira@gmail.com>
Date: Tue, 24 Nov 2020 15:11:02 +0100
Subject: [PATCH] - Unexcluded types/ on contracts libraries

---
 .gitignore                                    |  2 +-
 .../protocol/libraries/types/DataTypes.sol    | 49 +++++++++++++++++++
 2 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 contracts/protocol/libraries/types/DataTypes.sol

diff --git a/.gitignore b/.gitignore
index 626ee868..e6704cbb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,7 +7,7 @@ dist/
 build/
 .vscode
 .idea
-types
+/types
 
 deployed-contracts.json
 
diff --git a/contracts/protocol/libraries/types/DataTypes.sol b/contracts/protocol/libraries/types/DataTypes.sol
new file mode 100644
index 00000000..a0498f51
--- /dev/null
+++ b/contracts/protocol/libraries/types/DataTypes.sol
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: agpl-3.0
+pragma solidity 0.6.12;
+
+library DataTypes {
+  // refer to the whitepaper, section 1.1 basic concepts for a formal description of these properties.
+  struct ReserveData {
+    //stores the reserve configuration
+    ReserveBitmap configuration;
+    //the liquidity index. Expressed in ray
+    uint128 liquidityIndex;
+    //variable borrow index. Expressed in ray
+    uint128 variableBorrowIndex;
+    //the current supply rate. Expressed in ray
+    uint128 currentLiquidityRate;
+    //the current variable borrow rate. Expressed in ray
+    uint128 currentVariableBorrowRate;
+    //the current stable borrow rate. Expressed in ray
+    uint128 currentStableBorrowRate;
+    uint40 lastUpdateTimestamp;
+    //tokens addresses
+    address aTokenAddress;
+    address stableDebtTokenAddress;
+    address variableDebtTokenAddress;
+    //address of the interest rate strategy
+    address interestRateStrategyAddress;
+    //the id of the reserve. Represents the position in the list of the active reserves
+    uint8 id;
+  }
+
+  struct ReserveBitmap {
+    //bit 0-15: LTV
+    //bit 16-31: Liq. threshold
+    //bit 32-47: Liq. bonus
+    //bit 48-55: Decimals
+    //bit 56: Reserve is active
+    //bit 57: reserve is frozen
+    //bit 58: borrowing is enabled
+    //bit 59: stable rate borrowing enabled
+    //bit 60-63: reserved
+    //bit 64-79: reserve factor
+    uint256 data;
+  }
+
+  struct UserBitmap {
+    uint256 data;
+  }
+
+  enum InterestRateMode {NONE, STABLE, VARIABLE}
+}