// IMPORTANT CHECK - how decimal works on tokens with less than 18 decimals and accordingly store in our MoatAsset DB // directly use kyber network address instead of getAddress(kyber) pragma solidity ^0.4.24; interface token { function approve(address spender, uint256 value) external returns (bool); function transfer(address receiver, uint amount) external returns (bool); function balanceOf(address who) external returns(uint256); } interface AddressRegistry { function getAddr(string name) external returns(address); } interface Kyber { function trade( address src, uint srcAmount, address dest, address destAddress, uint maxDestAmount, uint minConversionRate, address walletId ) external payable returns (uint); } contract Registry { address public registryAddress; modifier onlyResolver() { require( msg.sender == getAddress("resolver"), "Permission Denied" ); _; } modifier onlyAdmin() { require( msg.sender == getAddress("admin"), "Permission Denied" ); _; } function getAddress(string name) internal view returns(address addr) { AddressRegistry aRegistry = AddressRegistry(registryAddress); addr = aRegistry.getAddr(name); require(addr != address(0), "Invalid Address"); } } contract Trade is Registry { address eth = 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee; function executeTrade( uint weiAmt, address src, address dest, uint srcAmt, uint slipRate, address walletId ) public onlyResolver returns (uint destAmt) { Kyber kyberFunctions = Kyber(getAddress("kyber")); destAmt = kyberFunctions.trade.value(weiAmt)( src, srcAmt, dest, getAddress("resolver"), 2**256 - 1, slipRate, walletId ); } function allowKyber(address[] tokenArr) public { for (uint i = 0; i < tokenArr.length; i++) { token tokenFunctions = token(tokenArr[i]); tokenFunctions.approve(getAddress("kyber"), 2**256 - 1); } } } contract MoatKyber is Trade { constructor(address rAddr) public { registryAddress = rAddr; } function () public payable {} function collectFees(address tokenAddress, uint amount) public onlyAdmin { if (tokenAddress == eth) { msg.sender.transfer(amount); } else { token tokenFunctions = token(tokenAddress); tokenFunctions.transfer(msg.sender, amount); } } }