Integrated Kyber Network Protocol.

This commit is contained in:
Sowmayjain 2018-10-25 12:56:37 +05:30
parent a78710c8ee
commit 4c7c79bb13
3 changed files with 99 additions and 4 deletions

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RINKEBY_PRIVATE_KEY="df7ebe6c9601adf4e911faac9da547686e6453a11cf13264d895fc2979a6bec2"
ROPSTEN_PRIVATE_KEY="192f175c2f5e5a9437fdbc12043404763f96ccbcd6fc32b1d61dbb61e14e6f34"

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// Global Freeze Varaible
// withdraw store the 0.5% on the contract itself and can be withdrawn by admin addresses
// this is the logic contract - stores nothing
// https://bitbucket.org/Sowmay/resolver-dex/src/master/contracts/MoatResolver.sol

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// Kyber Network Integration
// https://github.com/cryptoPay-ETHSF/SmartContract/blob/master/CryptoPayRopsten.sol
// IMPORTANT CHECK - how decimal works on tokens with less than 18 decimals and accordingly store in our MoatAsset DB
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"
);
_;
}
function getAddress(string name) internal view returns(address addr) {
AddressRegistry aRegistry = AddressRegistry(registryAddress);
addr = aRegistry.getAddr(name);
require(addr != address(0), "Invalid Address");
}
}
contract KyberSwap is Registry {
event Swapped(address src, uint srcAmt, address dest, uint destAmt);
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("asset"),
2**256 - 1,
slipRate,
walletId
);
emit Swapped(
src,
srcAmt,
dest,
destAmt
);
}
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 KyberInit is KyberSwap {
constructor(address rAddr) public {
registryAddress = rAddr;
}
function () public payable {}
}