Add comments to LiquidPledgingMock

contracts/LiquidPledgingBase.sol

@@ -19,8 +19,8 @@ pragma solidity ^0.4.11;
 
 import "./ILiquidPledgingPlugin.sol";
 
-/// @dev This is declares a few functions from `Vault` so that the
+/// @dev `Vault` serves as an interface to allow the `LiquidPledgingBase`
-///  `LiquidPledgingBase` contract can interface with the `Vault` contract
+///  contract to interface with a `Vault` contract
 contract Vault {
     function authorizePayment(bytes32 _ref, address _dest, uint _amount);
     function () payable;

contracts/LiquidPledgingMock.sol

@@ -1,20 +1,47 @@
 pragma solidity ^0.4.11;
+/*
+    Copyright 2017, Jordi Baylina
+    Contributor: Adrià Massanet <adria@codecontext.io>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
 import "./LiquidPledging.sol";
 
-// @dev LiquidPledgingMock mocks current block number
+/// @dev `LiquidPledgingMock` allows for mocking up
+///  a `LiquidPledging` contract with the added ability
+///  to manipulate the block time for testing purposes.
 contract LiquidPledgingMock is LiquidPledging {
 
     uint public mock_time;
 
+    /// @dev `LiquidPledgingMock` creates a standard `LiquidPledging`
+    ///  instance and sets the mocked time to the current blocktime.
     function LiquidPledgingMock(address _vault) LiquidPledging(_vault) {
         mock_time = now;
     }
 
+    /// @dev `getTime` is a basic getter function for
+    ///  the mock_time parameter
     function getTime() internal returns (uint) {
         return mock_time;
     }
 
+    /// @dev `setMockedTime` is a basic setter function for
+    ///  the mock_time parameter
+    /// @param _t This is the value to which the mocked time
+    ///  will be set.
     function setMockedTime(uint _t) {
         mock_time = _t;
     }