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https://github.com/Instadapp/InstaContract.git
synced 2024-07-29 22:47:45 +00:00
Updated Smart Contract Logics.
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@ -1,6 +1,3 @@
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// Implement the proper governance mechanism to update the admin address like admin have rights to upgrade anything but not just "admin". Governance will be used to set admin address.
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// Or keep AllowedResolver also in MoatAddress contract
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pragma solidity ^0.4.24;
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@ -9,6 +6,9 @@ contract AddressRegistry {
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event AddressChanged(string name, address target);
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mapping(bytes32 => address) internal addressRegistry;
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// Resolver Contract Addresses >> Asset Owner Address >> Bool
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mapping(address => mapping(address => bool)) allowedResolver;
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modifier onlyAdmin() {
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require(
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msg.sender == getAddr("admin"),
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@ -31,14 +31,11 @@ contract AddressRegistry {
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require(addr != address(0), "Not a valid address.");
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}
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// Contract Address >> Asset Owner Address >> Bool
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mapping(address => mapping(address => bool)) allowedResolver;
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function allowContract() public {
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function approveResolver() public {
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allowedResolver[getAddr("resolver")][msg.sender] = true;
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}
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function disallowContract() public {
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function disapproveResolver() public {
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allowedResolver[getAddr("resolver")][msg.sender] = false;
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}
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@ -1,6 +1,6 @@
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// Allow ERC20 deposits
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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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// how the balance of tokens with less than 18 decimals are stored
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// IMPORTANT CHECK - 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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pragma solidity ^0.4.24;
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@ -13,6 +13,7 @@ interface AddressRegistry {
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interface token {
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function approve(address spender, uint256 value) external returns (bool);
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function transfer(address receiver, uint amount) external returns (bool);
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function transferFrom(address from, address to, uint amount) external returns (bool);
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}
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@ -53,14 +54,20 @@ contract AssetDB is Registry {
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function getBalance(
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address assetHolder,
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address token
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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][token];
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balance = balances[assetHolder][tokenAddr];
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}
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function deposit() public payable {
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balances[msg.sender][eth] += msg.value;
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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] += msg.value;
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} else {
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token tokenFunctions = token(tknAddr);
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tokenFunctions.transferFrom(msg.sender, address(this), amount);
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balances[msg.sender][eth] += msg.value;
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}
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}
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function withdraw(address addr, uint amt) public {
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@ -78,29 +85,29 @@ contract AssetDB is Registry {
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address tokenAddr,
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uint amt,
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bool add,
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address target
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) public onlyAllowedResolver(target)
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address user
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) public onlyAllowedResolver(user)
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{
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if (add) {
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balances[target][tokenAddr] += amt;
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balances[user][tokenAddr] += amt;
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} else {
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balances[target][tokenAddr] -= amt;
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balances[user][tokenAddr] -= amt;
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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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// ) public onlyAllowedResolver
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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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// token tokenFunctions = token(tokenAddress);
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// tokenFunctions.transfer(sendTo, 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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) public onlyAllowedResolver
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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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token tokenFunctions = token(tokenAddress);
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tokenFunctions.transfer(sendTo, amount);
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}
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}
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}
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@ -111,8 +118,9 @@ contract MoatAsset is AssetDB {
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registryAddress = rAddr;
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}
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// received ether directly from protocols like Kyber Network
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// emit an event atleast
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function () public payable {}
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function () public payable {
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deposit(eth);
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}
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}
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@ -1,5 +1,121 @@
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// Global Freeze Varaible
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// Global Freeze Variable
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// no more than 10 ETH allowed as of now
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// withdraw store the 0.5% on the contract itself and can be withdrawn by admin addresses
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// this is the logic contract - stores nothing
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// https://bitbucket.org/Sowmay/resolver-dex/src/master/contracts/MoatResolver.sol
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pragma solidity ^0.4.24;
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interface token {
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function approve(address spender, uint256 value) external returns (bool);
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function transfer(address receiver, uint amount) external returns (bool);
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function balanceOf(address who) external returns(uint256);
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}
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interface AddressRegistry {
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function getAddr(string AddrName) external 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 AddressName) internal view returns(address) {
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AddressRegistry aRegistry = AddressRegistry(RegistryAddress);
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address realAddress = aRegistry.getAddr(AddressName);
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require(realAddress != address(0), "Invalid Address");
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return realAddress;
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}
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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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uint srcAmount,
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address dest,
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address destAddress,
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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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}
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interface MoatAsset {
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function getBalance(address AssetHolder, address Token) external view returns (uint256 balance);
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function TransferAssets(address tokenAddress, uint amount, address sendTo) external;
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function UpdateBalance(address tokenAddr, uint amt, bool add, address target) external;
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}
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contract KyberTrade is Registry {
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event eKyber(address src, address dest, uint weiAmt, uint srcAmt);
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function ExecuteTrade(
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uint weiAmt,
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address src,
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address dest,
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uint srcAmt,
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uint slipRate
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) public {
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MoatAsset MAFunctions = MoatAsset(getAddress("asset"));
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// Balance check
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uint UserBalance = MAFunctions.getBalance(msg.sender, src);
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require(UserBalance >= srcAmt, "Insufficient Balance");
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// Transfered asset from asset contract to resolver for kyber trade
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MAFunctions.TransferAssets(src, srcAmt, address(this));
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// Kyber Trade
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Kyber kyberFunctions = Kyber(getAddress("kyber"));
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uint destAmt = kyberFunctions.trade.value(weiAmt)(
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src,
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srcAmt,
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dest,
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getAddress("asset"),
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2**256 - 1,
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slipRate,
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0
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);
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// Updating Balance
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MAFunctions.UpdateBalance(src, srcAmt, false, msg.sender);
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MAFunctions.UpdateBalance(dest, destAmt, true, msg.sender);
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}
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function giveERC20AllowanceToKyber(address[] Tokens) public {
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for (uint i = 0; i < Tokens.length; i++) {
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token tokenFunctions = token(Tokens[i]);
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tokenFunctions.approve(getAddress("kyber"), 2**256 - 1);
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}
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}
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}
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contract MoatResolver is KyberTrade {
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function () public payable {}
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function TransferTokens(address tokenAddress, uint Amount) public onlyAdmin {
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token tokenFunctions = token(tokenAddress);
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if (Amount == 0) {
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uint256 tokenBal = tokenFunctions.balanceOf(address(this));
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} else {
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tokenBal = Amount;
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}
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tokenFunctions.transfer(getAddress("asset"), tokenBal);
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}
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function TransferEther(uint Amount) public onlyAdmin {
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getAddress("asset").transfer(Amount);
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}
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constructor(address rAddr) public {
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RegistryAddress = rAddr;
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}
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}
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@ -1,17 +1,14 @@
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// transfer or get back ownership of CDP
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// this contract will be the owner of all the CDPs, upgrading this means all the data need to be migrated
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// factor the WETH to PETH conversion rate
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// get back the ownership of CDP
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// mechanism to transfer an existing CDP (2 txn process)
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// factor the WETH to PETH conversion rate - https://chat.makerdao.com/direct/Sean
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// run an event after changing the CDP ownership
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// implement repay loan function
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// implement allowed functionalities like MoatAsset as CDPs are owned by this contract
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pragma solidity 0.4.24;
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interface token {
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function transfer(address receiver, uint amount) external returns(bool);
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function balanceOf(address who) external returns(uint256);
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function approve(address spender, uint256 value) external returns (bool);
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function transferFrom(address from, address to, uint amt) external returns (bool);
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}
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interface AddressRegistry {
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@ -151,7 +148,6 @@ contract Borrow is BorrowTasks {
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tokenFunctions.transfer(getAddress("asset"), loanDAI);
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// event for drawing DAI
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}
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}
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}
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