WIP, Upgrade to solidity 5

This commit is contained in:
Ravindra Kumar 2018-12-23 12:27:00 +05:30
parent b6145dd90b
commit 20a21bc1a7
7 changed files with 47 additions and 269 deletions

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@ -1,8 +1,6 @@
pragma solidity ^0.4.24;
pragma solidity ^0.5.0;
contract AddressRegistry {
event AddressSet(string name, address addr);
mapping(bytes32 => address) registry;
@ -10,16 +8,12 @@ contract AddressRegistry {
registry[keccak256(abi.encodePacked("admin"))] = msg.sender;
}
function getAddr(string name) public view returns(address) {
function getAddr(string memory name) public view returns(address) {
return registry[keccak256(abi.encodePacked(name))];
}
function setAddr(string name, address addr) public {
require(
msg.sender == getAddr("admin") ||
msg.sender == getAddr("owner"),
"Permission Denied"
);
function setAddr(string memory name, address addr) public {
require(msg.sender == getAddr("admin") || msg.sender == getAddr("owner"), "Permission Denied");
registry[keccak256(abi.encodePacked(name))] = addr;
emit AddressSet(name, addr);
}

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@ -1,4 +1,4 @@
pragma solidity 0.4.24;
pragma solidity ^0.5.0;
/* solium-disable mixedcase */
contract Migrations {
@ -6,13 +6,10 @@ contract Migrations {
uint public last_completed_migration;
modifier restricted() {
if (msg.sender == owner)
_;
if (msg.sender == owner) _;
}
constructor()
public
{
constructor() public {
owner = msg.sender;
}
@ -26,4 +23,5 @@ contract Migrations {
}
}
/* solium-enable mixedcase */

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@ -1,5 +1,4 @@
pragma solidity 0.4.24;
pragma solidity ^0.5.0;
/**
* @title Ownable

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@ -1,116 +0,0 @@
// // withdraw the extra assets other than global balance (in case anyone donated for free) and then no need for seperate brokerage calculation
// // IMPORTANT CHECK - decimals() - how the balance of tokens with less than 18 decimals are stored. Factor it.
// // update the balance along with "transferAssets" functions and also check the for onlyAllowedResolver
// // transfer assets to different address (create 2 different mappings) - 48 hour time to transfer all - send email for this
// pragma solidity ^0.4.24;
// import "openzeppelin-solidity/contracts/math/SafeMath.sol";
// import "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol";
// interface AddressRegistry {
// function getAddr(string name) external view returns(address);
// function isApprovedResolver(address user) external view returns(bool);
// }
// contract Registry {
// address public registryAddress;
// AddressRegistry addrReg = AddressRegistry(registryAddress);
// modifier onlyAllowedResolver(address user) {
// require(
// addrReg.isApprovedResolver(user),
// "Permission Denied"
// );
// _;
// }
// function getAddress(string name) internal view returns(address addr) {
// addr = addrReg.getAddr(name);
// require(addr != address(0), "Invalid Address");
// }
// }
// contract AssetDB is Registry {
// using SafeMath for uint;
// using SafeMath for uint256;
// mapping(address => mapping(address => uint)) balances;
// address eth = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
// function getBalance(
// address assetHolder,
// address tokenAddr
// ) public view returns (uint256 balance)
// {
// balance = balances[assetHolder][tokenAddr];
// }
// function deposit(address tknAddr, uint amount) public payable {
// if (msg.value > 0) {
// balances[msg.sender][eth] = balances[msg.sender][eth].add(msg.value);
// } else {
// IERC20 tokenFunctions = IERC20(tknAddr);
// tokenFunctions.transferFrom(msg.sender, address(this), amount);
// balances[msg.sender][tknAddr] = balances[msg.sender][tknAddr].add(amount);
// }
// }
// function withdraw(address tknAddr, uint amount) public {
// require(balances[msg.sender][tknAddr] >= amount, "Insufficient Balance");
// balances[msg.sender][tknAddr] = balances[msg.sender][tknAddr].sub(amount);
// if (tknAddr == eth) {
// msg.sender.transfer(amount);
// } else {
// IERC20 tokenFunctions = IERC20(tknAddr);
// tokenFunctions.transfer(msg.sender, amount);
// }
// }
// function updateBalance(
// address tokenAddr,
// uint amount,
// bool credit,
// address user
// ) public onlyAllowedResolver(user)
// {
// if (credit) {
// balances[user][tokenAddr] = balances[user][tokenAddr].add(amount);
// } else {
// balances[user][tokenAddr] = balances[user][tokenAddr].sub(amount);
// }
// }
// function transferAssets(
// address tokenAddress,
// uint amount,
// address sendTo,
// address user
// ) public onlyAllowedResolver(user)
// {
// if (tokenAddress == eth) {
// sendTo.transfer(amount);
// } else {
// IERC20 tokenFunctions = IERC20(tokenAddress);
// tokenFunctions.transfer(sendTo, amount);
// }
// balances[user][tokenAddress] = balances[user][tokenAddress].sub(amount);
// }
// }
// contract MoatAsset is AssetDB {
// constructor(address rAddr) public {
// registryAddress = rAddr;
// }
// function () public payable {}
// }

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@ -1,58 +0,0 @@
// pragma solidity ^0.4.24;
// import "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol";
// interface AddressRegistry {
// function getAddr(string name) external view returns(address);
// }
// contract Registry {
// address public registryAddress;
// modifier onlyAdmin() {
// require(
// msg.sender == getAddress("admin"),
// "Permission Denied"
// );
// _;
// }
// function getAddress(string name) internal view returns(address addr) {
// AddressRegistry addrReg = AddressRegistry(registryAddress);
// addr = addrReg.getAddr(name);
// require(addr != address(0), "Invalid Address");
// }
// }
// contract FeeDetail is Registry {
// uint public fees;
// function setFees(uint cut) public onlyAdmin { // 200 means 0.5%
// fees = cut;
// }
// }
// contract MoatResolver is FeeDetail {
// function () public payable {}
// constructor(address rAddr, uint cut) public { // 200 means 0.5%
// registryAddress = rAddr;
// setFees(cut);
// }
// function collectAsset(address tokenAddress, uint amount) public onlyAdmin {
// if (tokenAddress == 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE) {
// msg.sender.transfer(amount);
// } else {
// IERC20 tokenFunctions = IERC20(tokenAddress);
// tokenFunctions.transfer(msg.sender, amount);
// }
// }
// }

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@ -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;
@ -20,6 +18,7 @@ library SafeMath {
}
interface IERC20 {
function balanceOf(address who) external view returns(uint256);
function transfer(address to, uint256 value) external returns(bool);
@ -27,10 +26,12 @@ interface IERC20 {
function transferFrom(address from, address to, uint256 value) external returns(bool);
}
interface AddressRegistry {
function getAddr(string name) external view returns(address);
function getAddr(string calldata name) external view returns(address);
}
interface Kyber {
function trade(
address src,
@ -42,24 +43,17 @@ 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);
}
@ -68,33 +62,17 @@ contract Registry {
contract Trade is Registry {
using SafeMath for uint;
using SafeMath for uint256;
event KyberTrade(
address src,
uint srcAmt,
address dest,
uint destAmt,
address beneficiary,
uint minConversionRate,
address affiliate
);
event KyberTrade(address src, uint srcAmt, address dest, uint destAmt, address beneficiary, uint minConversionRate, address affiliate);
function getExpectedPrice(
address src,
address dest,
uint srcAmt
) public view returns (uint, uint)
{
function getExpectedPrice(address src, address dest, uint srcAmt) public view returns(uint, uint) {
Kyber kyberFunctions = Kyber(getAddress("kyber"));
return kyberFunctions.getExpectedRate(
src, dest, srcAmt
);
return kyberFunctions.getExpectedRate(src, dest, srcAmt);
}
function approveKyber(address[] tokenArr) public {
function approveKyber(address[] memory tokenArr) public {
address kyberProxy = getAddress("kyber");
for (uint i = 0; i < tokenArr.length; i++) {
IERC20 tokenFunctions = IERC20(tokenArr[i]);
@ -108,30 +86,19 @@ contract Trade is Registry {
uint srcAmt, // amount of token for sell
uint minConversionRate, // minimum slippage rate
uint maxDestAmt // max amount of dest token
) public payable returns (uint destAmt)
{
) public payable returns(uint destAmt) {
address eth = getAddress("eth");
uint ethQty = getToken(
msg.sender, src, srcAmt, eth
);
uint ethQty = getToken(msg.sender, src, srcAmt, eth);
// Interacting with Kyber Proxy Contract
Kyber kyberFunctions = Kyber(getAddress("kyber"));
destAmt = kyberFunctions.trade.value(ethQty)(
src,
srcAmt,
dest,
msg.sender,
maxDestAmt,
minConversionRate,
getAddress("admin")
);
destAmt = kyberFunctions.trade.value(ethQty)(src, srcAmt, dest, msg.sender, maxDestAmt, minConversionRate, getAddress("admin"));
// maxDestAmt usecase implementated
if (src == eth && address(this).balance > 0) {
msg.sender.transfer(address(this).balance);
} else if (src != eth) { // as there is no balanceOf of eth
} else if (src != eth) {
// as there is no balanceOf of eth
IERC20 srcTkn = IERC20(src);
uint srcBal = srcTkn.balanceOf(address(this));
if (srcBal > 0) {
@ -139,19 +106,11 @@ contract Trade is Registry {
}
}
emit KyberTrade(
src, srcAmt, dest, destAmt, msg.sender, minConversionRate, getAddress("admin")
);
emit KyberTrade(src, srcAmt, dest, destAmt, msg.sender, minConversionRate, getAddress("admin"));
}
function getToken(
address trader,
address src,
uint srcAmt,
address eth
) internal returns (uint ethQty)
{
function getToken(address trader, address src, uint srcAmt, address eth) internal returns(uint ethQty) {
if (src == eth) {
require(msg.value == srcAmt, "Invalid Operation");
ethQty = srcAmt;
@ -166,11 +125,12 @@ contract Trade is Registry {
contract InstaKyber is Trade {
constructor(address rAddr) public {
addressRegistry = rAddr;
}
function () public payable {}
function() external payable {
}
}

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@ -26,7 +26,6 @@
"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"
@ -59,6 +58,8 @@
"ganache-cli": "^6.1.8",
"mocha-junit-reporter": "^1.18.0",
"mocha-multi-reporters": "^1.1.7",
"prettier": "^1.15.3",
"prettier-plugin-solidity-refactor": "^1.0.0-alpha.11",
"solidity-coverage": "0.5.11",
"solium": "1.1.8"
}