mirror of
https://github.com/Instadapp/InstaContract.git
synced 2024-07-29 22:47:45 +00:00
Migrate all the contracts to Solidity 5
This commit is contained in:
Ravindra Kumar
parent
48bdeff1bf
commit
3616863f44
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@ -26,6 +26,8 @@ jobs:
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# fallback to using the latest cache if no exact match is found
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- v1-dependencies-
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- run: npm install truffle -g
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- run: npm install ganache-cli -g
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- run: npm install
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- save_cache:
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@ -34,4 +36,4 @@ jobs:
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key: v1-dependencies-{{ checksum "package.json" }}
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# run tests!
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- run: npm run test-ci
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- run: npm run test-ci
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@ -1,4 +1,4 @@
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pragma solidity 0.4.24;
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pragma solidity ^0.5.0;
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/* solium-disable mixedcase */
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contract Migrations {
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@ -6,13 +6,10 @@ contract Migrations {
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uint public last_completed_migration;
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modifier restricted() {
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if (msg.sender == owner)
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_;
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if (msg.sender == owner) _;
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}
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constructor()
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public
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{
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constructor() public {
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owner = msg.sender;
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}
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@ -26,4 +23,5 @@ contract Migrations {
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}
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}
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/* solium-enable mixedcase */
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/* solium-enable mixedcase */
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@ -1,5 +1,4 @@
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pragma solidity 0.4.24;
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pragma solidity ^0.5.0;
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/**
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* @title Ownable
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@ -36,4 +35,4 @@ contract Ownable {
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emit OwnershipTransferred(owner, newOwner);
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owner = newOwner;
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}
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}
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}
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@ -1,8 +1,6 @@
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pragma solidity ^0.4.24;
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pragma solidity ^0.5.0;
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contract AddressRegistry {
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event AddressSet(string name, address addr);
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mapping(bytes32 => address) registry;
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@ -10,18 +8,14 @@ contract AddressRegistry {
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registry[keccak256(abi.encodePacked("admin"))] = msg.sender;
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}
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function getAddr(string name) public view returns(address) {
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function getAddr(string memory name) public view returns (address) {
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return registry[keccak256(abi.encodePacked(name))];
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}
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function setAddr(string name, address addr) public {
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require(
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msg.sender == getAddr("admin") ||
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msg.sender == getAddr("owner"),
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"Permission Denied"
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);
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function setAddr(string memory name, address addr) public {
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require(msg.sender == getAddr("admin") || msg.sender == getAddr("owner"), "Permission Denied");
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registry[keccak256(abi.encodePacked(name))] = addr;
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emit AddressSet(name, addr);
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}
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}
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}
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@ -1,8 +1,6 @@
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pragma solidity ^0.4.24;
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pragma solidity ^0.5.0;
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library SafeMath {
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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@ -11,7 +9,7 @@ library SafeMath {
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require(c / a == b, "Assertion Failed");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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require(b > 0, "Assertion Failed");
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uint256 c = a / b;
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@ -28,7 +26,7 @@ interface IERC20 {
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}
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interface AddressRegistry {
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function getAddr(string name) external view returns(address);
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function getAddr(string calldata name) external view returns (address);
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}
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interface Kyber {
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@ -42,63 +40,38 @@ interface Kyber {
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address walletId
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) external payable returns (uint);
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function getExpectedRate(
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address src,
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address dest,
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uint srcQty
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) external view returns (uint, uint);
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function getExpectedRate(address src, address dest, uint srcQty) external view returns (uint, uint);
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}
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contract Registry {
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address public addressRegistry;
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modifier onlyAdmin() {
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require(
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msg.sender == getAddress("admin"),
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"Permission Denied"
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);
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require(msg.sender == getAddress("admin"), "Permission Denied");
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_;
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}
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function getAddress(string name) internal view returns(address) {
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function getAddress(string memory name) internal view returns (address) {
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AddressRegistry addrReg = AddressRegistry(addressRegistry);
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return addrReg.getAddr(name);
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}
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}
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contract Trade is Registry {
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using SafeMath for uint;
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using SafeMath for uint256;
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event KyberTrade(
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address src,
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uint srcAmt,
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address dest,
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uint destAmt,
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address beneficiary,
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uint minConversionRate,
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address affiliate
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);
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event KyberTrade(address src, uint srcAmt, address dest, uint destAmt, address beneficiary, uint minConversionRate, address affiliate);
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function getExpectedPrice(
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address src,
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address dest,
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uint srcAmt
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) public view returns (uint, uint)
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{
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function getExpectedPrice(address src, address dest, uint srcAmt) public view returns (uint, uint) {
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Kyber kyberFunctions = Kyber(getAddress("kyber"));
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return kyberFunctions.getExpectedRate(
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src, dest, srcAmt
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);
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return kyberFunctions.getExpectedRate(src, dest, srcAmt);
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}
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function approveKyber(address[] tokenArr) public {
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function approveKyber(address[] memory tokenArr) public {
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address kyberProxy = getAddress("kyber");
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for (uint i = 0; i < tokenArr.length; i++) {
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IERC20 tokenFunctions = IERC20(tokenArr[i]);
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tokenFunctions.approve(kyberProxy, 2**256 - 1);
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tokenFunctions.approve(kyberProxy, 2 ** 256 - 1);
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}
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}
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@ -108,30 +81,19 @@ contract Trade is Registry {
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uint srcAmt, // amount of token for sell
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uint minConversionRate, // minimum slippage rate
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uint maxDestAmt // max amount of dest token
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) public payable returns (uint destAmt)
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{
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) public payable returns (uint destAmt) {
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address eth = getAddress("eth");
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uint ethQty = getToken(
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msg.sender, src, srcAmt, eth
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);
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uint ethQty = getToken(msg.sender, src, srcAmt, eth);
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// Interacting with Kyber Proxy Contract
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Kyber kyberFunctions = Kyber(getAddress("kyber"));
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destAmt = kyberFunctions.trade.value(ethQty)(
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src,
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srcAmt,
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dest,
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msg.sender,
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maxDestAmt,
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minConversionRate,
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getAddress("admin")
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);
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destAmt = kyberFunctions.trade.value(ethQty)(src, srcAmt, dest, msg.sender, maxDestAmt, minConversionRate, getAddress("admin"));
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// maxDestAmt usecase implementated
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if (src == eth && address(this).balance > 0) {
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msg.sender.transfer(address(this).balance);
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} else if (src != eth) { // as there is no balanceOf of eth
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} else if (src != eth) {
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// as there is no balanceOf of eth
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IERC20 srcTkn = IERC20(src);
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uint srcBal = srcTkn.balanceOf(address(this));
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if (srcBal > 0) {
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@ -139,19 +101,11 @@ contract Trade is Registry {
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}
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}
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emit KyberTrade(
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src, srcAmt, dest, destAmt, msg.sender, minConversionRate, getAddress("admin")
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);
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emit KyberTrade(src, srcAmt, dest, destAmt, msg.sender, minConversionRate, getAddress("admin"));
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}
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function getToken(
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address trader,
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address src,
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uint srcAmt,
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address eth
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) internal returns (uint ethQty)
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{
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function getToken(address trader, address src, uint srcAmt, address eth) internal returns (uint ethQty) {
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if (src == eth) {
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require(msg.value == srcAmt, "Invalid Operation");
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ethQty = srcAmt;
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@ -164,13 +118,11 @@ contract Trade is Registry {
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}
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contract InstaKyber is Trade {
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constructor(address rAddr) public {
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addressRegistry = rAddr;
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}
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function () public payable {}
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function() external payable {}
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}
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}
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@ -1,8 +1,6 @@
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pragma solidity 0.4.24;
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pragma solidity ^0.5.0;
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library SafeMath {
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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@ -11,7 +9,7 @@ library SafeMath {
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require(c / a == b, "Assertion Failed");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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require(b > 0, "Assertion Failed");
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uint256 c = a / b;
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@ -28,7 +26,7 @@ interface IERC20 {
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}
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interface AddressRegistry {
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function getAddr(string name) external view returns(address);
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function getAddr(string calldata name) external view returns (address);
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}
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interface MakerCDP {
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@ -53,57 +51,41 @@ interface WETHFace {
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function withdraw(uint wad) external;
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}
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interface InstaKyber {
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function executeTrade(
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address src,
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address dest,
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uint srcAmt,
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uint minConversionRate,
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uint maxDestAmt
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) external payable returns (uint destAmt);
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function getExpectedPrice(
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address src,
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address dest,
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uint srcAmt
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) external view returns (uint, uint);
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}
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interface InstaKyber {
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function executeTrade(address src, address dest, uint srcAmt, uint minConversionRate, uint maxDestAmt)
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external
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payable
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returns (uint destAmt);
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function getExpectedPrice(address src, address dest, uint srcAmt) external view returns (uint, uint);
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}
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contract Registry {
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address public addressRegistry;
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modifier onlyAdmin() {
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require(
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msg.sender == getAddress("admin"),
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"Permission Denied"
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);
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require(msg.sender == getAddress("admin"), "Permission Denied");
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_;
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}
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function getAddress(string name) internal view returns(address) {
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function getAddress(string memory name) internal view returns (address) {
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AddressRegistry addrReg = AddressRegistry(addressRegistry);
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return addrReg.getAddr(name);
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}
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}
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contract GlobalVar is Registry {
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using SafeMath for uint;
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using SafeMath for uint256;
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bytes32 blankCDP = 0x0000000000000000000000000000000000000000000000000000000000000000;
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address cdpAddr; // cups
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mapping (address => bytes32) cdps; // borrower >>> CDP Bytes
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mapping(address => bytes32) cdps; // borrower >>> CDP Bytes
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bool public freezed;
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}
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contract IssueLoan is GlobalVar {
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event LockedETH(address borrower, uint lockETH, uint lockPETH, address lockedBy);
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event LoanedDAI(address borrower, uint loanDAI, address payTo);
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event NewCDP(address borrower, bytes32 cdpBytes);
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@ -114,8 +96,12 @@ contract IssueLoan is GlobalVar {
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}
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function borrow(uint daiDraw, address beneficiary) public payable {
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if (msg.value > 0) {lockETH(msg.sender);}
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if (daiDraw > 0) {drawDAI(daiDraw, beneficiary);}
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if (msg.value > 0) {
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lockETH(msg.sender);
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}
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if (daiDraw > 0) {
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drawDAI(daiDraw, beneficiary);
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}
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}
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function lockETH(address borrower) public payable {
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@ -130,9 +116,7 @@ contract IssueLoan is GlobalVar {
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uint pethToLock = pethPEReth(msg.value);
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loanMaster.join(pethToLock); // WETH to PETH
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loanMaster.lock(cdps[borrower], pethToLock); // PETH to CDP
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emit LockedETH(
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borrower, msg.value, pethToLock, msg.sender
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);
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emit LockedETH(borrower, msg.value, pethToLock, msg.sender);
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}
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function drawDAI(uint daiDraw, address beneficiary) public {
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@ -150,15 +134,17 @@ contract IssueLoan is GlobalVar {
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}
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contract RepayLoan is IssueLoan {
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event WipedDAI(address borrower, uint daiWipe, uint mkrCharged, address wipedBy);
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event UnlockedETH(address borrower, uint ethFree);
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function repay(uint daiWipe, uint ethFree) public payable {
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if (daiWipe > 0) {wipeDAI(daiWipe, msg.sender);}
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if (ethFree > 0) {unlockETH(ethFree);}
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if (daiWipe > 0) {
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wipeDAI(daiWipe, msg.sender);
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}
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if (ethFree > 0) {
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unlockETH(ethFree);
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}
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}
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function wipeDAI(uint daiWipe, address borrower) public payable {
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@ -176,17 +162,15 @@ contract RepayLoan is IssueLoan {
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uint mkrCharged = contractMKR - mkrTkn.balanceOf(address(this)); // MKR fee = before wiping bal - after wiping bal
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// claiming paid MKR back
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if (msg.value > 0) { // Interacting with Kyber to swap ETH with MKR
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swapETHMKR(
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eth, mkr, mkrCharged, msg.value
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);
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} else { // take MKR directly from address
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if (msg.value > 0) {
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// Interacting with Kyber to swap ETH with MKR
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swapETHMKR(eth, mkr, mkrCharged, msg.value);
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} else {
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// take MKR directly from address
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mkrTkn.transferFrom(msg.sender, address(this), mkrCharged); // user paying MKR fees
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}
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emit WipedDAI(
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borrower, daiWipe, mkrCharged, msg.sender
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);
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emit WipedDAI(borrower, daiWipe, mkrCharged, msg.sender);
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}
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function unlockETH(uint ethFree) public {
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@ -201,19 +185,11 @@ contract RepayLoan is IssueLoan {
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emit UnlockedETH(msg.sender, ethFree);
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}
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function swapETHMKR(
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address eth,
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address mkr,
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uint mkrCharged,
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uint ethQty
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) internal
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{
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function swapETHMKR(address eth, address mkr, uint mkrCharged, uint ethQty) internal {
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InstaKyber instak = InstaKyber(getAddress("InstaKyber"));
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uint minRate;
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(, minRate) = instak.getExpectedPrice(eth, mkr, ethQty);
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uint mkrBought = instak.executeTrade.value(ethQty)(
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eth, mkr, ethQty, minRate, mkrCharged
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);
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uint mkrBought = instak.executeTrade.value(ethQty)(eth, mkr, ethQty, minRate, mkrCharged);
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require(mkrCharged == mkrBought, "ETH not sufficient to cover the MKR fees.");
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if (address(this).balance > 0) {
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msg.sender.transfer(address(this).balance);
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|
|
@ -222,9 +198,7 @@ contract RepayLoan is IssueLoan {
|
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|
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}
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|
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contract BorrowTasks is RepayLoan {
|
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|
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event TranferCDP(bytes32 cdp, address owner, address nextOwner);
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event CDPClaimed(bytes32 cdp, address owner);
|
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|
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|
|
@ -258,20 +232,18 @@ contract BorrowTasks is RepayLoan {
|
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|
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function approveERC20() public {
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IERC20 wethTkn = IERC20(getAddress("weth"));
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wethTkn.approve(cdpAddr, 2**256 - 1);
|
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wethTkn.approve(cdpAddr, 2 ** 256 - 1);
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IERC20 pethTkn = IERC20(getAddress("peth"));
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pethTkn.approve(cdpAddr, 2**256 - 1);
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pethTkn.approve(cdpAddr, 2 ** 256 - 1);
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IERC20 mkrTkn = IERC20(getAddress("mkr"));
|
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mkrTkn.approve(cdpAddr, 2**256 - 1);
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mkrTkn.approve(cdpAddr, 2 ** 256 - 1);
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IERC20 daiTkn = IERC20(getAddress("dai"));
|
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daiTkn.approve(cdpAddr, 2**256 - 1);
|
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daiTkn.approve(cdpAddr, 2 ** 256 - 1);
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}
|
||||
|
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}
|
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|
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contract InstaMaker is BorrowTasks {
|
||||
|
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event MKRCollected(uint amount);
|
||||
|
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constructor(address rAddr) public {
|
||||
|
|
@ -280,7 +252,7 @@ contract InstaMaker is BorrowTasks {
|
|||
approveERC20();
|
||||
}
|
||||
|
||||
function () public payable {}
|
||||
function() external payable {}
|
||||
|
||||
function freeze(bool stop) public onlyAdmin {
|
||||
freezed = stop;
|
||||
|
|
@ -293,4 +265,4 @@ contract InstaMaker is BorrowTasks {
|
|||
emit MKRCollected(amount);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,9 +1,7 @@
|
|||
// Resolver to Wipe & Coll any CDP
|
||||
pragma solidity 0.4.24;
|
||||
|
||||
pragma solidity ^0.5.0;
|
||||
|
||||
library SafeMath {
|
||||
|
||||
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
|
||||
if (a == 0) {
|
||||
return 0;
|
||||
|
|
@ -12,7 +10,7 @@ library SafeMath {
|
|||
require(c / a == b, "Assertion Failed");
|
||||
return c;
|
||||
}
|
||||
|
||||
|
||||
function div(uint256 a, uint256 b) internal pure returns (uint256) {
|
||||
require(b > 0, "Assertion Failed");
|
||||
uint256 c = a / b;
|
||||
|
|
@ -29,7 +27,7 @@ interface IERC20 {
|
|||
}
|
||||
|
||||
interface AddressRegistry {
|
||||
function getAddr(string name) external view returns(address);
|
||||
function getAddr(string calldata name) external view returns (address);
|
||||
}
|
||||
|
||||
interface MakerCDP {
|
||||
|
|
@ -49,43 +47,29 @@ interface WETHFace {
|
|||
}
|
||||
|
||||
interface InstaKyber {
|
||||
function executeTrade(
|
||||
address src,
|
||||
address dest,
|
||||
uint srcAmt,
|
||||
uint minConversionRate,
|
||||
uint maxDestAmt
|
||||
) external payable returns (uint destAmt);
|
||||
function executeTrade(address src, address dest, uint srcAmt, uint minConversionRate, uint maxDestAmt)
|
||||
external
|
||||
payable
|
||||
returns (uint destAmt);
|
||||
|
||||
function getExpectedPrice(
|
||||
address src,
|
||||
address dest,
|
||||
uint srcAmt
|
||||
) external view returns (uint, uint);
|
||||
function getExpectedPrice(address src, address dest, uint srcAmt) external view returns (uint, uint);
|
||||
}
|
||||
|
||||
|
||||
contract Registry {
|
||||
|
||||
address public addressRegistry;
|
||||
modifier onlyAdmin() {
|
||||
require(
|
||||
msg.sender == getAddress("admin"),
|
||||
"Permission Denied"
|
||||
);
|
||||
require(msg.sender == getAddress("admin"), "Permission Denied");
|
||||
_;
|
||||
}
|
||||
|
||||
function getAddress(string name) internal view returns(address) {
|
||||
|
||||
function getAddress(string memory name) internal view returns (address) {
|
||||
AddressRegistry addrReg = AddressRegistry(addressRegistry);
|
||||
return addrReg.getAddr(name);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
contract Helper is Registry {
|
||||
|
||||
using SafeMath for uint;
|
||||
using SafeMath for uint256;
|
||||
|
||||
|
|
@ -104,9 +88,7 @@ contract Helper is Registry {
|
|||
|
||||
}
|
||||
|
||||
|
||||
contract Lock is Helper {
|
||||
|
||||
event LockedETH(uint cdpNum, address lockedBy, uint lockETH, uint lockPETH);
|
||||
|
||||
function lockETH(uint cdpNum) public payable {
|
||||
|
|
@ -116,16 +98,12 @@ contract Lock is Helper {
|
|||
uint pethToLock = pethPEReth(msg.value);
|
||||
loanMaster.join(pethToLock); // WETH to PETH
|
||||
loanMaster.lock(bytes32(cdpNum), pethToLock); // PETH to CDP
|
||||
emit LockedETH(
|
||||
cdpNum, msg.sender, msg.value, pethToLock
|
||||
);
|
||||
emit LockedETH(cdpNum, msg.sender, msg.value, pethToLock);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
contract Wipe is Lock {
|
||||
|
||||
event WipedDAI(uint cdpNum, address wipedBy, uint daiWipe, uint mkrCharged);
|
||||
|
||||
function wipeDAI(uint cdpNum, uint daiWipe) public payable {
|
||||
|
|
@ -139,30 +117,22 @@ contract Wipe is Lock {
|
|||
uint mkrCharged = contractMKR - mkrTkn.balanceOf(address(this)); // MKR fee = before wiping bal - after wiping bal
|
||||
|
||||
// claiming paid MKR back
|
||||
if (msg.value > 0) { // Interacting with Kyber to swap ETH with MKR
|
||||
swapETHMKR(
|
||||
mkrCharged, msg.value
|
||||
);
|
||||
} else { // take MKR directly from address
|
||||
if (msg.value > 0) {
|
||||
// Interacting with Kyber to swap ETH with MKR
|
||||
swapETHMKR(mkrCharged, msg.value);
|
||||
} else {
|
||||
// take MKR directly from address
|
||||
mkrTkn.transferFrom(msg.sender, address(this), mkrCharged); // user paying MKR fees
|
||||
}
|
||||
|
||||
emit WipedDAI(
|
||||
cdpNum, msg.sender, daiWipe, mkrCharged
|
||||
);
|
||||
emit WipedDAI(cdpNum, msg.sender, daiWipe, mkrCharged);
|
||||
}
|
||||
|
||||
function swapETHMKR(
|
||||
uint mkrCharged,
|
||||
uint ethQty
|
||||
) internal
|
||||
{
|
||||
function swapETHMKR(uint mkrCharged, uint ethQty) internal {
|
||||
InstaKyber instak = InstaKyber(kyber);
|
||||
uint minRate;
|
||||
(, minRate) = instak.getExpectedPrice(eth, mkr, ethQty);
|
||||
uint mkrBought = instak.executeTrade.value(ethQty)(
|
||||
eth, mkr, ethQty, minRate, mkrCharged
|
||||
);
|
||||
uint mkrBought = instak.executeTrade.value(ethQty)(eth, mkr, ethQty, minRate, mkrCharged);
|
||||
require(mkrCharged == mkrBought, "ETH not sufficient to cover the MKR fees.");
|
||||
if (address(this).balance > 0) {
|
||||
msg.sender.transfer(address(this).balance);
|
||||
|
|
@ -171,25 +141,21 @@ contract Wipe is Lock {
|
|||
|
||||
}
|
||||
|
||||
|
||||
contract ApproveTkn is Wipe {
|
||||
|
||||
function approveERC20() public {
|
||||
IERC20 wethTkn = IERC20(weth);
|
||||
wethTkn.approve(cdpAddr, 2**256 - 1);
|
||||
wethTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
IERC20 pethTkn = IERC20(peth);
|
||||
pethTkn.approve(cdpAddr, 2**256 - 1);
|
||||
pethTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
IERC20 mkrTkn = IERC20(mkr);
|
||||
mkrTkn.approve(cdpAddr, 2**256 - 1);
|
||||
mkrTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
IERC20 daiTkn = IERC20(dai);
|
||||
daiTkn.approve(cdpAddr, 2**256 - 1);
|
||||
daiTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
contract PublicCDP is ApproveTkn {
|
||||
|
||||
event MKRCollected(uint amount);
|
||||
|
||||
constructor(address rAddr) public {
|
||||
|
|
@ -204,7 +170,7 @@ contract PublicCDP is ApproveTkn {
|
|||
approveERC20();
|
||||
}
|
||||
|
||||
function () public payable {}
|
||||
function() external payable {}
|
||||
|
||||
// collecting MKR token kept as balance to pay fees
|
||||
function collectMKR(uint amount) public onlyAdmin {
|
||||
|
|
@ -213,4 +179,4 @@ contract PublicCDP is ApproveTkn {
|
|||
emit MKRCollected(amount);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,8 +1,6 @@
|
|||
pragma solidity 0.4.24;
|
||||
|
||||
pragma solidity ^0.5.0;
|
||||
|
||||
library SafeMath {
|
||||
|
||||
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
|
||||
if (a == 0) {
|
||||
return 0;
|
||||
|
|
@ -11,7 +9,7 @@ library SafeMath {
|
|||
require(c / a == b, "Assertion Failed");
|
||||
return c;
|
||||
}
|
||||
|
||||
|
||||
function div(uint256 a, uint256 b) internal pure returns (uint256) {
|
||||
require(b > 0, "Assertion Failed");
|
||||
uint256 c = a / b;
|
||||
|
|
@ -21,7 +19,7 @@ library SafeMath {
|
|||
}
|
||||
|
||||
interface AddressRegistry {
|
||||
function getAddr(string name) external view returns(address);
|
||||
function getAddr(string calldata name) external view returns (address);
|
||||
}
|
||||
|
||||
interface MakerCDP {
|
||||
|
|
@ -29,9 +27,7 @@ interface MakerCDP {
|
|||
function give(bytes32 cup, address guy) external;
|
||||
}
|
||||
|
||||
|
||||
contract UniqueCDP {
|
||||
|
||||
address public deployer;
|
||||
address public cdpAddr;
|
||||
|
||||
|
|
@ -53,4 +49,4 @@ contract UniqueCDP {
|
|||
loanMaster.give(bytes32(cdpNum), nextOwner);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
pragma solidity ^0.4.24;
|
||||
pragma solidity ^0.5.0;
|
||||
|
||||
interface IERC20 {
|
||||
function balanceOf(address who) external view returns (uint256);
|
||||
|
|
@ -6,7 +6,7 @@ interface IERC20 {
|
|||
}
|
||||
|
||||
interface AddressRegistry {
|
||||
function getAddr(string name) external view returns(address);
|
||||
function getAddr(string calldata name) external view returns (address);
|
||||
}
|
||||
|
||||
interface Kyber {
|
||||
|
|
@ -20,44 +20,27 @@ interface Kyber {
|
|||
address walletId
|
||||
) external payable returns (uint);
|
||||
|
||||
function getExpectedRate(
|
||||
address src,
|
||||
address dest,
|
||||
uint srcQty
|
||||
) external view returns (uint, uint);
|
||||
function getExpectedRate(address src, address dest, uint srcQty) external view returns (uint, uint);
|
||||
}
|
||||
|
||||
|
||||
contract Registry {
|
||||
address public addressRegistry;
|
||||
modifier onlyAdmin() {
|
||||
require(
|
||||
msg.sender == getAddress("admin"),
|
||||
"Permission Denied"
|
||||
);
|
||||
require(msg.sender == getAddress("admin"), "Permission Denied");
|
||||
_;
|
||||
}
|
||||
function getAddress(string name) internal view returns(address) {
|
||||
function getAddress(string memory name) internal view returns (address) {
|
||||
AddressRegistry addrReg = AddressRegistry(addressRegistry);
|
||||
return addrReg.getAddr(name);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
contract Trade is Registry {
|
||||
|
||||
event KyberTrade(
|
||||
address src,
|
||||
uint srcAmt,
|
||||
address dest,
|
||||
uint destAmt,
|
||||
address beneficiary,
|
||||
uint minConversionRate
|
||||
);
|
||||
event KyberTrade(address src, uint srcAmt, address dest, uint destAmt, address beneficiary, uint minConversionRate);
|
||||
|
||||
function approveDAIKyber() public {
|
||||
IERC20 tokenFunctions = IERC20(getAddress("dai"));
|
||||
tokenFunctions.approve(getAddress("kyber"), 2**255);
|
||||
tokenFunctions.approve(getAddress("kyber"), 2 ** 255);
|
||||
}
|
||||
|
||||
function expectedETH(uint srcDAI) public view returns (uint, uint) {
|
||||
|
|
@ -73,32 +56,20 @@ contract Trade is Registry {
|
|||
|
||||
// Interacting with Kyber Proxy Contract
|
||||
Kyber kyberFunctions = Kyber(getAddress("kyber"));
|
||||
destAmt = kyberFunctions.trade.value(0)(
|
||||
src,
|
||||
srcDAI,
|
||||
dest,
|
||||
msg.sender,
|
||||
2**255,
|
||||
minConversionRate,
|
||||
getAddress("admin")
|
||||
);
|
||||
destAmt = kyberFunctions.trade.value(0)(src, srcDAI, dest, msg.sender, 2 ** 255, minConversionRate, getAddress("admin"));
|
||||
|
||||
emit KyberTrade(
|
||||
src, srcDAI, dest, destAmt, msg.sender, minConversionRate
|
||||
);
|
||||
emit KyberTrade(src, srcDAI, dest, destAmt, msg.sender, minConversionRate);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
contract DAI2ETH is Trade {
|
||||
|
||||
constructor(address rAddr) public {
|
||||
addressRegistry = rAddr;
|
||||
approveDAIKyber();
|
||||
}
|
||||
|
||||
function () public payable {}
|
||||
function() external payable {}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
//// SMART CONTARCT
|
||||
// mapping of SendWyre address
|
||||
// mapping of SendWyre address
|
||||
|
||||
//// DAPP
|
||||
// check isAddress (and every important variable) before executing any contract function
|
||||
|
|
@ -10,11 +10,9 @@
|
|||
//// RAVINDRA
|
||||
// How can we create a global variable for "loanMaster"?
|
||||
|
||||
pragma solidity 0.4.24;
|
||||
|
||||
pragma solidity ^0.5.0;
|
||||
|
||||
library SafeMath {
|
||||
|
||||
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
|
||||
if (a == 0) {
|
||||
return 0;
|
||||
|
|
@ -23,7 +21,7 @@ library SafeMath {
|
|||
require(c / a == b, "Assertion Failed");
|
||||
return c;
|
||||
}
|
||||
|
||||
|
||||
function div(uint256 a, uint256 b) internal pure returns (uint256) {
|
||||
require(b > 0, "Assertion Failed");
|
||||
uint256 c = a / b;
|
||||
|
|
@ -40,7 +38,7 @@ interface IERC20 {
|
|||
}
|
||||
|
||||
interface AddressRegistry {
|
||||
function getAddr(string name) external view returns(address);
|
||||
function getAddr(string calldata name) external view returns (address);
|
||||
}
|
||||
|
||||
interface MakerCDP {
|
||||
|
|
@ -73,50 +71,36 @@ interface WETHFace {
|
|||
function withdraw(uint wad) external;
|
||||
}
|
||||
|
||||
interface InstaKyber {
|
||||
function executeTrade(
|
||||
address src,
|
||||
address dest,
|
||||
uint srcAmt,
|
||||
uint minConversionRate,
|
||||
uint maxDestAmt
|
||||
) external payable returns (uint destAmt);
|
||||
interface InstaKyber {
|
||||
function executeTrade(address src, address dest, uint srcAmt, uint minConversionRate, uint maxDestAmt)
|
||||
external
|
||||
payable
|
||||
returns (uint destAmt);
|
||||
|
||||
function getExpectedPrice(
|
||||
address src,
|
||||
address dest,
|
||||
uint srcAmt
|
||||
) external view returns (uint, uint);
|
||||
function getExpectedPrice(address src, address dest, uint srcAmt) external view returns (uint, uint);
|
||||
}
|
||||
|
||||
|
||||
contract Registry {
|
||||
|
||||
address public addressRegistry;
|
||||
modifier onlyAdmin() {
|
||||
require(
|
||||
msg.sender == getAddress("admin"),
|
||||
"Permission Denied"
|
||||
);
|
||||
require(msg.sender == getAddress("admin"), "Permission Denied");
|
||||
_;
|
||||
}
|
||||
|
||||
function getAddress(string name) internal view returns(address) {
|
||||
|
||||
function getAddress(string memory name) internal view returns (address) {
|
||||
AddressRegistry addrReg = AddressRegistry(addressRegistry);
|
||||
return addrReg.getAddr(name);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
contract GlobalVar is Registry {
|
||||
|
||||
using SafeMath for uint;
|
||||
using SafeMath for uint256;
|
||||
|
||||
address cdpAddr; // SaiTub
|
||||
mapping (uint => address) cdps; // CDP Number >>> Borrower
|
||||
mapping (address => bool) resolvers;
|
||||
mapping(uint => address) cdps; // CDP Number >>> Borrower
|
||||
mapping(address => bool) resolvers;
|
||||
bool public freezed;
|
||||
|
||||
modifier isFreezed() {
|
||||
|
|
@ -125,9 +109,7 @@ contract GlobalVar is Registry {
|
|||
}
|
||||
|
||||
modifier isCupOwner(uint cdpNum) {
|
||||
require(
|
||||
cdps[cdpNum] == msg.sender || cdps[cdpNum] == address(0x0) || cdpNum == 0,
|
||||
"Permission Denied");
|
||||
require(cdps[cdpNum] == msg.sender || cdps[cdpNum] == address(0x0) || cdpNum == 0, "Permission Denied");
|
||||
_;
|
||||
}
|
||||
|
||||
|
|
@ -138,9 +120,7 @@ contract GlobalVar is Registry {
|
|||
|
||||
}
|
||||
|
||||
|
||||
contract BorrowLoan is GlobalVar {
|
||||
|
||||
// uint cdpNum
|
||||
event LockedETH(uint cdpNum, address borrower, uint lockETH, uint lockPETH);
|
||||
event LoanedDAI(uint cdpNum, address borrower, uint loanDAI, address payTo);
|
||||
|
|
@ -165,9 +145,7 @@ contract BorrowLoan is GlobalVar {
|
|||
uint pethToLock = pethPEReth(msg.value);
|
||||
loanMaster.join(pethToLock); // WETH to PETH
|
||||
loanMaster.lock(cup, pethToLock); // PETH to CDP
|
||||
emit LockedETH(
|
||||
uint(cup), msg.sender, msg.value, pethToLock
|
||||
);
|
||||
emit LockedETH(uint(cup), msg.sender, msg.value, pethToLock);
|
||||
}
|
||||
|
||||
// minting DAI
|
||||
|
|
@ -179,17 +157,13 @@ contract BorrowLoan is GlobalVar {
|
|||
payTo = msg.sender;
|
||||
}
|
||||
daiTkn.transfer(payTo, daiDraw);
|
||||
emit LoanedDAI(
|
||||
uint(cup), msg.sender, daiDraw, payTo
|
||||
);
|
||||
emit LoanedDAI(uint(cup), msg.sender, daiDraw, payTo);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
contract RepayLoan is BorrowLoan {
|
||||
|
||||
event WipedDAI(uint cdpNum, address borrower, uint daiWipe, uint mkrCharged);
|
||||
event FreedETH(uint cdpNum, address borrower, uint ethFree);
|
||||
event ShutCDP(uint cdpNum, address borrower, uint daiWipe, uint ethFree);
|
||||
|
|
@ -211,15 +185,14 @@ contract RepayLoan is BorrowLoan {
|
|||
if (msg.value > 0) {
|
||||
// [UniSwap] claiming paid MKR back ETH <> DAI
|
||||
return;
|
||||
} else { // take MKR directly from address
|
||||
} else {
|
||||
// take MKR directly from address
|
||||
mkrTkn.transferFrom(msg.sender, address(this), mkrCharged); // user paying MKR fees
|
||||
}
|
||||
emit WipedDAI(
|
||||
cdpNum, msg.sender, daiWipe, mkrCharged
|
||||
);
|
||||
emit WipedDAI(cdpNum, msg.sender, daiWipe, mkrCharged);
|
||||
}
|
||||
|
||||
// TODO => send pethFree from frontend instead of ethFree
|
||||
// TODO => send pethFree from frontend instead of ethFree
|
||||
function unlockETH(uint cdpNum, uint ethFree) public isFreezed isCupOwner(cdpNum) {
|
||||
require(!freezed, "Operation Disabled");
|
||||
bytes32 cup = bytes32(cdpNum);
|
||||
|
|
@ -234,7 +207,9 @@ contract RepayLoan is BorrowLoan {
|
|||
}
|
||||
|
||||
function shut(uint cdpNum, uint daiDebt) public payable isFreezed isCupOwner(cdpNum) {
|
||||
if (daiDebt > 0) {wipeDAI(cdpNum, daiDebt);}
|
||||
if (daiDebt > 0) {
|
||||
wipeDAI(cdpNum, daiDebt);
|
||||
}
|
||||
MakerCDP loanMaster = MakerCDP(cdpAddr);
|
||||
loanMaster.shut(bytes32(cdpNum));
|
||||
|
||||
|
|
@ -249,16 +224,12 @@ contract RepayLoan is BorrowLoan {
|
|||
|
||||
cdps[cdpNum] = address(0x0);
|
||||
|
||||
emit ShutCDP(
|
||||
cdpNum, msg.sender, daiDebt, wethBal
|
||||
);
|
||||
emit ShutCDP(cdpNum, msg.sender, daiDebt, wethBal);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
contract MiscTask is RepayLoan {
|
||||
|
||||
event TranferInternal(uint cdpNum, address owner, address nextOwner);
|
||||
event TranferExternal(uint cdpNum, address owner, address nextOwner);
|
||||
event CDPClaimed(uint cdpNum, address owner);
|
||||
|
|
@ -298,7 +269,7 @@ contract MiscTask is RepayLoan {
|
|||
loanMaster.give(bytes32(cdpNum), resolverAddress);
|
||||
resolverAct.initAct(cdpNum);
|
||||
emit ResolverTwoWay(cdpNum, msg.sender, resolverAddress);
|
||||
|
||||
|
||||
}
|
||||
|
||||
function claimCDP(uint cdpNum) public {
|
||||
|
|
@ -322,20 +293,18 @@ contract MiscTask is RepayLoan {
|
|||
|
||||
function approveERC20() public {
|
||||
IERC20 wethTkn = IERC20(getAddress("weth"));
|
||||
wethTkn.approve(cdpAddr, 2**256 - 1);
|
||||
wethTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
IERC20 pethTkn = IERC20(getAddress("peth"));
|
||||
pethTkn.approve(cdpAddr, 2**256 - 1);
|
||||
pethTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
IERC20 mkrTkn = IERC20(getAddress("mkr"));
|
||||
mkrTkn.approve(cdpAddr, 2**256 - 1);
|
||||
mkrTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
IERC20 daiTkn = IERC20(getAddress("dai"));
|
||||
daiTkn.approve(cdpAddr, 2**256 - 1);
|
||||
daiTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
contract InstaBank is MiscTask {
|
||||
|
||||
event MKRCollected(uint amount);
|
||||
|
||||
constructor(address rAddr) public {
|
||||
|
|
@ -344,7 +313,7 @@ contract InstaBank is MiscTask {
|
|||
approveERC20();
|
||||
}
|
||||
|
||||
function () public payable {}
|
||||
function() external payable {}
|
||||
|
||||
function freeze(bool stop) public onlyAdmin {
|
||||
freezed = stop;
|
||||
|
|
@ -361,4 +330,4 @@ contract InstaBank is MiscTask {
|
|||
emit MKRCollected(amount);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,8 +1,6 @@
|
|||
pragma solidity 0.4.24;
|
||||
|
||||
pragma solidity ^0.5.0;
|
||||
|
||||
library SafeMath {
|
||||
|
||||
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
|
||||
if (a == 0) {
|
||||
return 0;
|
||||
|
|
@ -26,7 +24,7 @@ interface IERC20 {
|
|||
}
|
||||
|
||||
interface AddressRegistry {
|
||||
function getAddr(string name) external view returns(address);
|
||||
function getAddr(string calldata name) external view returns (address);
|
||||
}
|
||||
|
||||
interface MakerCDP {
|
||||
|
|
@ -55,25 +53,19 @@ interface InstaBank {
|
|||
function transferCDPInternal(uint cdpNum, address nextOwner) external;
|
||||
}
|
||||
|
||||
|
||||
contract Registry {
|
||||
address public addressRegistry;
|
||||
modifier onlyAdmin() {
|
||||
require(
|
||||
msg.sender == getAddress("admin"),
|
||||
"Permission Denied"
|
||||
);
|
||||
require(msg.sender == getAddress("admin"), "Permission Denied");
|
||||
_;
|
||||
}
|
||||
function getAddress(string name) internal view returns(address) {
|
||||
function getAddress(string memory name) internal view returns (address) {
|
||||
AddressRegistry addrReg = AddressRegistry(addressRegistry);
|
||||
return addrReg.getAddr(name);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
contract GlobalVar is Registry {
|
||||
|
||||
using SafeMath for uint;
|
||||
using SafeMath for uint256;
|
||||
|
||||
|
|
@ -89,20 +81,18 @@ contract GlobalVar is Registry {
|
|||
|
||||
function approveERC20() public {
|
||||
IERC20 wethTkn = IERC20(getAddress("weth"));
|
||||
wethTkn.approve(cdpAddr, 2**256 - 1);
|
||||
wethTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
IERC20 pethTkn = IERC20(getAddress("peth"));
|
||||
pethTkn.approve(cdpAddr, 2**256 - 1);
|
||||
pethTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
IERC20 mkrTkn = IERC20(getAddress("mkr"));
|
||||
mkrTkn.approve(cdpAddr, 2**256 - 1);
|
||||
mkrTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
IERC20 daiTkn = IERC20(getAddress("dai"));
|
||||
daiTkn.approve(cdpAddr, 2**256 - 1);
|
||||
daiTkn.approve(cdpAddr, 2 ** 256 - 1);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
contract LoopNewCDP is GlobalVar {
|
||||
|
||||
event LevNewCDP(uint cdpNum, uint ethLocked, uint daiMinted);
|
||||
|
||||
function pethPEReth(uint ethNum) public view returns (uint rPETH) {
|
||||
|
|
@ -138,9 +128,11 @@ contract LoopNewCDP is GlobalVar {
|
|||
}
|
||||
require(contractETHBal == address(this).balance, "No Refund of Contract ETH");
|
||||
|
||||
if (isCDP2Sender) { // CDP >>> msg.sender
|
||||
if (isCDP2Sender) {
|
||||
// CDP >>> msg.sender
|
||||
loanMaster.give(cup, msg.sender);
|
||||
} else { // CDP >>> InstaBank
|
||||
} else {
|
||||
// CDP >>> InstaBank
|
||||
InstaBank resolveBank = InstaBank(getAddress("bankv2"));
|
||||
resolveBank.claimCDP(uint(cup));
|
||||
resolveBank.transferCDPInternal(uint(cup), msg.sender);
|
||||
|
|
@ -151,16 +143,14 @@ contract LoopNewCDP is GlobalVar {
|
|||
|
||||
}
|
||||
|
||||
|
||||
contract LeverageCDP is LoopNewCDP {
|
||||
|
||||
constructor(address rAddr) public {
|
||||
addressRegistry = rAddr;
|
||||
cdpAddr = getAddress("cdp");
|
||||
approveERC20();
|
||||
}
|
||||
|
||||
function () public payable {}
|
||||
function() external payable {}
|
||||
|
||||
function collectETH(uint ethQty) public onlyAdmin {
|
||||
msg.sender.transfer(ethQty);
|
||||
|
|
@ -170,4 +160,4 @@ contract LeverageCDP is LoopNewCDP {
|
|||
freezed = stop;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
|||
35
package.json
35
package.json
|
|
@ -22,14 +22,13 @@
|
|||
"build": "npm run clean:contracts && truffle compile"
|
||||
},
|
||||
"dependencies": {
|
||||
"web3": "^1.0.0-beta.36",
|
||||
"web3": "^1.0.0-beta.38",
|
||||
"bn.js": "^4.11.8",
|
||||
"dotenv": "^6.1.0",
|
||||
"openzeppelin-solidity": "^2.0.0",
|
||||
"prettier": "^1.14.3",
|
||||
"truffle": "^5.0.0-beta.0",
|
||||
"webpack": "^4.23.1",
|
||||
"truffle-hdwallet-provider": "^1.0.0-web3one.0"
|
||||
"dotenv": "^6.2.0",
|
||||
"openzeppelin-solidity": "^2.1.2",
|
||||
"truffle": "^5.0.2",
|
||||
"webpack": "^4.29.0",
|
||||
"truffle-hdwallet-provider": "^1.0.2"
|
||||
},
|
||||
"devDependencies": {
|
||||
"babel-cli": "^6.26.0",
|
||||
|
|
@ -42,24 +41,26 @@
|
|||
"babel-register": "6.26.0",
|
||||
"chai": "4.2.0",
|
||||
"chai-as-promised": "7.1.1",
|
||||
"chai-bignumber": "2.0.2",
|
||||
"chai-bignumber": "3.0.0",
|
||||
"coveralls": "3.0.2",
|
||||
"eslint": "5.8.0",
|
||||
"eslint-config-prettier": "^3.1.0",
|
||||
"eslint": "5.12.1",
|
||||
"eslint-config-prettier": "^4.0.0",
|
||||
"eslint-config-standard": "^12.0.0",
|
||||
"eslint-plugin-babel": "^5.2.1",
|
||||
"eslint-plugin-compat": "^2.6.2",
|
||||
"eslint-plugin-import": "2.14.0",
|
||||
"eslint-plugin-node": "8.0.0",
|
||||
"eslint-plugin-prettier": "^3.0.0",
|
||||
"eslint-plugin-babel": "^5.3.0",
|
||||
"eslint-plugin-compat": "^2.6.3",
|
||||
"eslint-plugin-import": "2.15.0",
|
||||
"eslint-plugin-node": "8.0.1",
|
||||
"eslint-plugin-prettier": "^3.0.1",
|
||||
"eslint-plugin-promise": "4.0.1",
|
||||
"eslint-plugin-security": "^1.4.0",
|
||||
"eslint-plugin-standard": "^4.0.0",
|
||||
"eth-gas-reporter": "^0.1.12",
|
||||
"ganache-cli": "^6.1.8",
|
||||
"ganache-cli": "^6.2.5",
|
||||
"mocha-junit-reporter": "^1.18.0",
|
||||
"mocha-multi-reporters": "^1.1.7",
|
||||
"prettier": "^1.16.1",
|
||||
"prettier-plugin-solidity-refactor": "^1.0.0-alpha.14",
|
||||
"solidity-coverage": "0.5.11",
|
||||
"solium": "1.1.8"
|
||||
"solium": "1.2.2"
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user