mirror of
https://github.com/Instadapp/InstaContract.git
synced 2024-07-29 22:47:45 +00:00
WIP, Upgrade to solidity 5
This commit is contained in:
Ravindra Kumar
parent
b6145dd90b
commit
20a21bc1a7
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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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@ -1,4 +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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@ -1,116 +0,0 @@
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// // withdraw the extra assets other than global balance (in case anyone donated for free) and then no need for seperate brokerage calculation
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// // IMPORTANT CHECK - decimals() - how the balance of tokens with less than 18 decimals are stored. Factor it.
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// // update the balance along with "transferAssets" functions and also check the for onlyAllowedResolver
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// // transfer assets to different address (create 2 different mappings) - 48 hour time to transfer all - send email for this
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// pragma solidity ^0.4.24;
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// import "openzeppelin-solidity/contracts/math/SafeMath.sol";
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// import "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol";
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// interface AddressRegistry {
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// function getAddr(string name) external view returns(address);
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// function isApprovedResolver(address user) external view returns(bool);
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// }
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// contract Registry {
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// address public registryAddress;
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// AddressRegistry addrReg = AddressRegistry(registryAddress);
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// modifier onlyAllowedResolver(address user) {
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// require(
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// addrReg.isApprovedResolver(user),
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// "Permission Denied"
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// );
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// _;
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// }
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// function getAddress(string name) internal view returns(address addr) {
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// addr = addrReg.getAddr(name);
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// require(addr != address(0), "Invalid Address");
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// }
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// }
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// contract AssetDB is Registry {
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// using SafeMath for uint;
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// using SafeMath for uint256;
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// mapping(address => mapping(address => uint)) balances;
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// address eth = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
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// function getBalance(
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// address assetHolder,
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// address tokenAddr
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// ) public view returns (uint256 balance)
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// {
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// balance = balances[assetHolder][tokenAddr];
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// }
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// function deposit(address tknAddr, uint amount) public payable {
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// if (msg.value > 0) {
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// balances[msg.sender][eth] = balances[msg.sender][eth].add(msg.value);
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// } else {
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// IERC20 tokenFunctions = IERC20(tknAddr);
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// tokenFunctions.transferFrom(msg.sender, address(this), amount);
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// balances[msg.sender][tknAddr] = balances[msg.sender][tknAddr].add(amount);
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// }
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// }
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// function withdraw(address tknAddr, uint amount) public {
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// require(balances[msg.sender][tknAddr] >= amount, "Insufficient Balance");
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// balances[msg.sender][tknAddr] = balances[msg.sender][tknAddr].sub(amount);
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// if (tknAddr == eth) {
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// msg.sender.transfer(amount);
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// } else {
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// IERC20 tokenFunctions = IERC20(tknAddr);
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// tokenFunctions.transfer(msg.sender, amount);
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// }
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// }
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// function updateBalance(
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// address tokenAddr,
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// uint amount,
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// bool credit,
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// address user
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// ) public onlyAllowedResolver(user)
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// {
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// if (credit) {
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// balances[user][tokenAddr] = balances[user][tokenAddr].add(amount);
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// } else {
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// balances[user][tokenAddr] = balances[user][tokenAddr].sub(amount);
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// }
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// }
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// function transferAssets(
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// address tokenAddress,
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// uint amount,
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// address sendTo,
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// address user
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// ) public onlyAllowedResolver(user)
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// {
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// if (tokenAddress == eth) {
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// sendTo.transfer(amount);
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// } else {
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// IERC20 tokenFunctions = IERC20(tokenAddress);
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// tokenFunctions.transfer(sendTo, amount);
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// }
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// balances[user][tokenAddress] = balances[user][tokenAddress].sub(amount);
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// }
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// }
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// contract MoatAsset is AssetDB {
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// constructor(address rAddr) public {
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// registryAddress = rAddr;
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// }
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// function () public payable {}
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// }
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@ -1,58 +0,0 @@
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// pragma solidity ^0.4.24;
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// import "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol";
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// interface AddressRegistry {
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// function getAddr(string name) external view returns(address);
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// }
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// contract Registry {
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// address public registryAddress;
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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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// _;
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// }
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// function getAddress(string name) internal view returns(address addr) {
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// AddressRegistry addrReg = AddressRegistry(registryAddress);
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// addr = addrReg.getAddr(name);
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// require(addr != address(0), "Invalid Address");
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// }
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// }
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// contract FeeDetail is Registry {
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// uint public fees;
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// function setFees(uint cut) public onlyAdmin { // 200 means 0.5%
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// fees = cut;
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// }
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// }
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// contract MoatResolver is FeeDetail {
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// function () public payable {}
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// constructor(address rAddr, uint cut) public { // 200 means 0.5%
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// registryAddress = rAddr;
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// setFees(cut);
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// }
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// function collectAsset(address tokenAddress, uint amount) public onlyAdmin {
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// if (tokenAddress == 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE) {
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// msg.sender.transfer(amount);
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// } else {
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// IERC20 tokenFunctions = IERC20(tokenAddress);
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// tokenFunctions.transfer(msg.sender, amount);
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// }
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// }
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// }
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@ -1,9 +1,7 @@
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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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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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}
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@ -11,8 +9,8 @@ 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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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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return c;
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@ -20,17 +18,20 @@ library SafeMath {
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}
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interface IERC20 {
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function balanceOf(address who) external view returns (uint256);
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function transfer(address to, uint256 value) external returns (bool);
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function approve(address spender, uint256 value) external returns (bool);
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function transferFrom(address from, address to, uint256 value) external returns (bool);
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function balanceOf(address who) external view returns(uint256);
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function transfer(address to, uint256 value) external returns(bool);
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function approve(address spender, uint256 value) external returns(bool);
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function transferFrom(address from, address to, uint256 value) external returns(bool);
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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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function trade(
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address src,
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@ -40,26 +41,19 @@ interface Kyber {
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uint maxDestAmount,
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uint minConversionRate,
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address walletId
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) external payable returns (uint);
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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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@ -68,37 +62,21 @@ contract Registry {
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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 +86,19 @@ 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 +106,11 @@ 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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@ -166,11 +125,12 @@ contract Trade is Registry {
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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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}
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@ -26,7 +26,6 @@
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"bn.js": "^4.11.8",
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"dotenv": "^6.1.0",
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"openzeppelin-solidity": "^2.0.0",
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"prettier": "^1.14.3",
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"truffle": "^5.0.0-beta.0",
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"webpack": "^4.23.1",
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"truffle-hdwallet-provider": "^1.0.0-web3one.0"
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@ -59,6 +58,8 @@
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"ganache-cli": "^6.1.8",
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"mocha-junit-reporter": "^1.18.0",
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"mocha-multi-reporters": "^1.1.7",
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"prettier": "^1.15.3",
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"prettier-plugin-solidity-refactor": "^1.0.0-alpha.11",
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"solidity-coverage": "0.5.11",
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"solium": "1.1.8"
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}
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