STOContract, style fixes

contracts/Daico/IDaico.sol

@@ -2,4 +2,7 @@ pragma solidity ^0.4.24;
 
 
 contract IDaico {
+	function addInvestor(uint _amount, address _investorAddress) public;
+	function vote(bool _vote) external;
+	function proposeNewRoadmap(uint[] _tapFunds, uint[] _tapDurations) external;
 }

contracts/Daico/STOContract.sol

@@ -0,0 +1,31 @@
+pragma solidity ^0.4.24;
+
+import "zeppelin-solidity/contracts/token/ERC20/MintableToken.sol";
+import "zeppelin-solidity/contracts/token/ERC20/ERC20.sol";
+import "./IDaico.sol";
+
+
+contract STOContract is MintableToken {
+	address public ervercityTokenAddress;
+	address public daicoAddress;
+
+	constructor(address _ervercityTokenAddress) public {		
+		ervercityTokenAddress = _ervercityTokenAddress;
+	}
+
+	function setDaicoAddress(address _daicoAddress) public onlyOwner {
+		daicoAddress = _daicoAddress;
+	}
+
+	function invest(uint _amount) public {
+		ERC20(ervercityTokenAddress).transferFrom(msg.sender, address(this), _amount);
+		ERC20(ervercityTokenAddress).approve(daicoAddress, _amount);
+
+		totalSupply_ = totalSupply_.add(_amount);
+		balances[msg.sender] = balances[msg.sender].add(_amount);
+		emit Mint(msg.sender, _amount);
+		emit Transfer(address(0), msg.sender, _amount);
+
+		IDaico(daicoAddress).addInvestor(_amount, msg.sender);
+	}
+}

package.json

@@ -30,7 +30,7 @@
 		"growl": "^1.10.0",
 		"moment": "^2.22.2",
 		"solidity-coverage": "^0.5.5",
-		"truffle": "^4.1.8",
+		"truffle": "^4.1.15",
 		"truffle-hdwallet-provider": "0.0.5",
 		"utf8": "^3.0.0",
 		"zeppelin-solidity": "^1.9.0"