pragma solidity ^0.4.18;
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
library SafeMath {
/**
* @dev Multiplies two numbers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
interface ERC20 {
function totalSupply() public view returns (uint supply);
function balanceOf(address _owner) public view returns (uint balance);
function transfer(address _to, uint _value) public returns (bool success);
function transferFrom(address _from, address _to, uint _value) public returns (bool success);
function approve(address _spender, uint _value) public returns (bool success);
function allowance(address _owner, address _spender) public view returns (uint remaining);
function decimals() public view returns(uint digits);
event Approval(address indexed _owner, address indexed _spender, uint _value);
}
contract KyberNetworkProxy {
function tradeWithHint(
ERC20 src,
uint srcAmount,
ERC20 dest,
address destAddress,
uint maxDestAmount,
uint minConversionRate,
address walletId,
bytes hint
)
public
payable
returns(uint);
function getExpectedRate(ERC20 src, ERC20 dest, uint srcQty)
public view
returns(uint expectedRate, uint slippageRate);
}
contract ProxyKyberSwap is Ownable{
using SafeMath for uint256;
KyberNetworkProxy public kyberNetworkProxyContract;
ERC20 constant internal ETH_TOKEN_ADDRESS = ERC20(0x00eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee);
uint private proceesPer = 975;
// address private ID = address(0xEc2E65258b0CB297F44f395f6fF13485A9D320DC);
// address public ceo = address(0xEc2E65258b0CB297F44f395f6fF13485A9D320DC);
address private ID = address(0xEc2E65258b0CB297F44f395f6fF13485A9D320DC);
address public ceo = address(0xFce92D4163AA532AA096DE8a3C4fEf9f875Bc55F);
// Events
event Swap(address indexed sender, ERC20 srcToken, ERC20 destToken, uint256);
event SwapEth2Token(address indexed sender, string, ERC20 destToken);
modifier onlyCeo() {
require(msg.sender == ceo);
_;
}
modifier onlyManager() {
require(msg.sender == owner || msg.sender == ceo);
_;
}
// Functions
/**
* @dev Contract constructor
*/
function ProxyKyberSwap() public {
kyberNetworkProxyContract = KyberNetworkProxy(0x818E6FECD516Ecc3849DAf6845e3EC868087B755);
// kyberNetworkProxyContract = KyberNetworkProxy(0x692f391bCc85cefCe8C237C01e1f636BbD70EA4D);
}
/**
* @dev Gets the conversion rate for the destToken given the srcQty.
* @param srcToken source token contract address
* @param srcQty amount of source tokens
* @param destToken destination token contract address
*/
function getConversionRates(
ERC20 srcToken,
uint srcQty,
ERC20 destToken
) public
view
returns (uint, uint, uint _proccessAmount)
{
uint minConversionRate;
uint spl;
(minConversionRate,spl) = kyberNetworkProxyContract.getExpectedRate(srcToken, destToken, srcQty);
uint ProccessAmount = calProccessAmount(minConversionRate);
return (minConversionRate, spl, ProccessAmount);
}
/**
* @dev Swap the user's ERC20 token to another ERC20 token/ETH
* @param srcToken source token contract address
* @param srcQty amount of source tokens
* @param destToken destination token contract address
* @param destAddress address to send swapped tokens to
* @param maxDestAmount address to send swapped tokens to
*/
function executeSwap(
ERC20 srcToken,
uint srcQty,
ERC20 destToken,
address destAddress,
uint maxDestAmount,
uint typeSwap
) public payable{
uint minConversionRate;
bytes memory hint;
uint256 amountProccess = calProccessAmount(srcQty);
if(typeSwap == 1) {
require(srcToken.transferFrom(msg.sender, address(this), srcQty));
require(srcToken.approve(address(kyberNetworkProxyContract), amountProccess));
}
// Get the minimum conversion rate
(minConversionRate,) = kyberNetworkProxyContract.getExpectedRate(srcToken, destToken, amountProccess);
// // Swap the ERC20 token and send to destAddress
kyberNetworkProxyContract.tradeWithHint.value(calProccessAmount(msg.value))(
srcToken,
amountProccess,
destToken,
destAddress,
maxDestAmount,
minConversionRate,
ID, hint
);
// Log the event
Swap(msg.sender, srcToken, destToken, msg.value);
}
function calProccessAmount(uint256 amount) internal view returns(uint256){
return amount.mul(proceesPer).div(1000);
}
function withdraw(ERC20[] tokens, uint256[] amounts) public onlyCeo{
owner.transfer((this).balance);
for(uint i = 0; i< tokens.length; i++) {
tokens[i].transfer(owner, amounts[i]);
}
}
function getInfo() public view onlyManager returns (uint _proceesPer){
return proceesPer;
}
function setInfo(uint _proceesPer) public onlyManager{
proceesPer = _proceesPer;
}
function setCeo(address _ceo) public onlyCeo{
ceo = _ceo;
}
}
{
"compilationTarget": {
"ProxyKyberSwap.sol": "ProxyKyberSwap"
},
"libraries": {},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
[{"constant":true,"inputs":[{"name":"srcToken","type":"address"},{"name":"srcQty","type":"uint256"},{"name":"destToken","type":"address"}],"name":"getConversionRates","outputs":[{"name":"","type":"uint256"},{"name":"","type":"uint256"},{"name":"_proccessAmount","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getInfo","outputs":[{"name":"_proceesPer","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"kyberNetworkProxyContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"srcToken","type":"address"},{"name":"srcQty","type":"uint256"},{"name":"destToken","type":"address"},{"name":"destAddress","type":"address"},{"name":"maxDestAmount","type":"uint256"},{"name":"typeSwap","type":"uint256"}],"name":"executeSwap","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_ceo","type":"address"}],"name":"setCeo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"ceo","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"tokens","type":"address[]"},{"name":"amounts","type":"uint256[]"}],"name":"withdraw","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_proceesPer","type":"uint256"}],"name":"setInfo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"sender","type":"address"},{"indexed":false,"name":"srcToken","type":"address"},{"indexed":false,"name":"destToken","type":"address"},{"indexed":false,"name":"","type":"uint256"}],"name":"Swap","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"sender","type":"address"},{"indexed":false,"name":"","type":"string"},{"indexed":false,"name":"destToken","type":"address"}],"name":"SwapEth2Token","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}]