Feature - Token wallet

contracts/token/TokenWallet.sol

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+pragma solidity ^0.4.11;
+
+import "./ERC20Basic.sol";
+import "../ownership/Ownable.sol";
+
+/**
+* @title Token Wallet
+* @notice Base contract that allows children contracts to handle ERC20 tokens
+*/
+contract TokenWallet is Ownable{
+    /**
+    * @dev Transfer owned tokes
+    * @param tokenAddr address the token address
+    * @param to address The address to transfer tokens to
+    * @param value uint256 The amount of tokens to transfer
+    * @return bool if transfer is successful
+    */
+    function transferToken(address tokenAddr, address to, uint value) onlyOwner returns(bool){
+        return ERC20Basic(tokenAddr).transfer(to, value);
+    }
+
+    /**
+    * @dev Check the balance of a token
+    * @param tokenAddr address the token address
+    * @return uint representing the amount of tokens
+    */
+    function checkBalance(address tokenAddr) constant returns(uint){
+        return ERC20Basic(tokenAddr).balanceOf(this);
+    }
+}

test/TokenWallet.js

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+const assertJump = require('./helpers/assertJump');
+
+var TokenWallet = artifacts.require("../contracts/token/TokenWallet.sol")
+var BasicTokenMock = artifacts.require("./helpers/BasicTokenMock.sol");
+
+contract('TokenWallet', function(accounts) {
+  var token;
+  var tokenWallet;
+
+  beforeEach(async () => {
+      token = await BasicTokenMock.new(accounts[1], 100);
+      tokenWallet = await TokenWallet.new({from: accounts[0]});
+
+      await token.transfer(tokenWallet.address, 10 , {from: accounts[1]});
+  });
+
+
+  it("should check balance correctly by address", async function(){
+    let balance = await tokenWallet.checkBalance(token.address);
+    assert.equal(balance.toNumber(), 10);
+  });
+
+  it("should transfer owned tokens correctly", async () => {
+    await tokenWallet.transferToken(token.address, accounts[2], 5, {from: accounts[0]})
+    assert.equal(await token.balanceOf(tokenWallet.address), 5)
+    assert.equal(await token.balanceOf(accounts[2]), 5)
+  })
+});