mirror of
https://github.com/Instadapp/dsa-connectors.git
synced 2024-07-29 22:37:00 +00:00
255 lines
8.6 KiB
Solidity
255 lines
8.6 KiB
Solidity
pragma solidity ^0.6.0;
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interface TokenInterface {
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function allowance(address, address) external view returns (uint);
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function balanceOf(address) external view returns (uint);
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function approve(address, uint) external;
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function transfer(address, uint) external returns (bool);
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function transferFrom(address, address, uint) external returns (bool);
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}
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interface ComptrollerInterface {
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function claimComp(address holder) external;
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function claimComp(address holder, address[] calldata) external;
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function claimComp(address[] calldata holders, address[] calldata cTokens, bool borrowers, bool suppliers) external;
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}
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interface COMPInterface {
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function delegate(address delegatee) external;
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function delegates(address) external view returns(address);
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}
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interface InstaMapping {
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function cTokenMapping(address) external view returns (address);
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}
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interface MemoryInterface {
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function getUint(uint _id) external returns (uint _num);
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function setUint(uint _id, uint _val) external;
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}
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interface EventInterface {
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function emitEvent(uint _connectorType, uint _connectorID, bytes32 _eventCode, bytes calldata _eventData) external;
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}
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contract DSMath {
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function add(uint x, uint y) internal pure returns (uint z) {
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require((z = x + y) >= x, "math-not-safe");
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}
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function mul(uint x, uint y) internal pure returns (uint z) {
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require(y == 0 || (z = x * y) / y == x, "math-not-safe");
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}
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uint constant WAD = 10 ** 18;
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function wmul(uint x, uint y) internal pure returns (uint z) {
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z = add(mul(x, y), WAD / 2) / WAD;
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}
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function wdiv(uint x, uint y) internal pure returns (uint z) {
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z = add(mul(x, WAD), y / 2) / y;
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}
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function sub(uint x, uint y) internal pure returns (uint z) {
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require((z = x - y) <= x, "ds-math-sub-underflow");
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}
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}
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contract Helpers is DSMath {
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/**
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* @dev Return ethereum address
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*/
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function getAddressETH() internal pure returns (address) {
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return 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; // ETH Address
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}
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/**
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* @dev Return Memory Variable Address
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*/
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function getMemoryAddr() internal pure returns (address) {
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return 0x8a5419CfC711B2343c17a6ABf4B2bAFaBb06957F; // InstaMemory Address
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}
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/**
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* @dev Return InstaEvent Address.
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*/
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function getEventAddr() internal pure returns (address) {
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return 0x2af7ea6Cb911035f3eb1ED895Cb6692C39ecbA97; // InstaEvent Address
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}
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/**
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* @dev Get Uint value from InstaMemory Contract.
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*/
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function getUint(uint getId, uint val) internal returns (uint returnVal) {
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returnVal = getId == 0 ? val : MemoryInterface(getMemoryAddr()).getUint(getId);
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}
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/**
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* @dev Set Uint value in InstaMemory Contract.
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*/
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function setUint(uint setId, uint val) internal {
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if (setId != 0) MemoryInterface(getMemoryAddr()).setUint(setId, val);
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}
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/**
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* @dev Connector Details
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*/
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function connectorID() public pure returns(uint _type, uint _id) {
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(_type, _id) = (1, 31);
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}
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}
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contract COMPHelpers is Helpers {
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/**
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* @dev Return Compound Comptroller Address
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*/
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function getComptrollerAddress() internal pure returns (address) {
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return 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;
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}
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/**
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* @dev Return COMP Token Address.
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*/
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function getCompTokenAddress() internal pure returns (address) {
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return 0xc00e94Cb662C3520282E6f5717214004A7f26888;
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}
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/**
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* @dev Return InstaDApp Mapping Addresses
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*/
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function getMappingAddr() internal pure returns (address) {
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return 0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88; // InstaMapping Address
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}
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function mergeTokenArr(address[] memory supplyTokens, address[] memory borrowTokens)
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internal
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view
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returns (address[] memory ctokens, bool isBorrow, bool isSupply)
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{
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uint _supplyLen = supplyTokens.length;
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uint _borrowLen = borrowTokens.length;
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uint _totalLen = add(_supplyLen, _borrowLen);
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ctokens = new address[](_totalLen);
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isBorrow;
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isSupply;
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if(_supplyLen > 0) {
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for (uint i = 0; i < _supplyLen; i++) {
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ctokens[i] = InstaMapping(getMappingAddr()).cTokenMapping(supplyTokens[i]);
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}
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isSupply = true;
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}
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if(_borrowLen > 0) {
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for (uint i = 0; i < _borrowLen; i++) {
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ctokens[_supplyLen + i] = InstaMapping(getMappingAddr()).cTokenMapping(borrowTokens[i]);
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}
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isBorrow = true;
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}
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}
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}
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contract BasicResolver is COMPHelpers {
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event LogClaimedComp(uint256 compAmt, uint256 setId);
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event LogDelegate(address delegatee);
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/**
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* @dev Claim Accrued COMP Token.
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* @param setId Set ctoken amount at this ID in `InstaMemory` Contract.
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*/
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function ClaimComp(uint setId) external payable {
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TokenInterface compToken = TokenInterface(getCompTokenAddress());
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uint intialBal = compToken.balanceOf(address(this));
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ComptrollerInterface(getComptrollerAddress()).claimComp(address(this));
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uint finalBal = compToken.balanceOf(address(this));
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uint amt = sub(finalBal, intialBal);
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setUint(setId, amt);
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emit LogClaimedComp(amt, setId);
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bytes32 _eventCode = keccak256("LogClaimedComp(uint256,uint256)");
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bytes memory _eventParam = abi.encode(amt, setId);
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(uint _type, uint _id) = connectorID();
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EventInterface(getEventAddr()).emitEvent(_type, _id, _eventCode, _eventParam);
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}
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/**
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* @dev Claim Accrued COMP Token.
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* @param tokens Array of tokens supplied and borrowed.
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* @param setId Set ctoken amount at this ID in `InstaMemory` Contract.
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*/
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function ClaimCompTwo(address[] calldata tokens, uint setId) external payable {
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uint _len = tokens.length;
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address[] memory ctokens = new address[](_len);
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for (uint i = 0; i < _len; i++) {
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ctokens[i] = InstaMapping(getMappingAddr()).cTokenMapping(tokens[i]);
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}
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TokenInterface compToken = TokenInterface(getCompTokenAddress());
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uint intialBal = compToken.balanceOf(address(this));
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ComptrollerInterface(getComptrollerAddress()).claimComp(address(this), ctokens);
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uint finalBal = compToken.balanceOf(address(this));
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uint amt = sub(finalBal, intialBal);
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setUint(setId, amt);
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emit LogClaimedComp(amt, setId);
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bytes32 _eventCode = keccak256("LogClaimedComp(uint256,uint256)");
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bytes memory _eventParam = abi.encode(amt, setId);
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(uint _type, uint _id) = connectorID();
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EventInterface(getEventAddr()).emitEvent(_type, _id, _eventCode, _eventParam);
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}
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/**
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* @dev Claim Accrued COMP Token.
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* @param supplyTokens Array of tokens supplied.
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* @param borrowTokens Array of tokens borrowed.
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* @param setId Set ctoken amount at this ID in `InstaMemory` Contract.
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*/
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function ClaimCompThree(address[] calldata supplyTokens, address[] calldata borrowTokens, uint setId) external payable {
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(address[] memory ctokens, bool isBorrow, bool isSupply) = mergeTokenArr(supplyTokens, borrowTokens);
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address[] memory holders = new address[](1);
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holders[0] = address(this);
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TokenInterface compToken = TokenInterface(getCompTokenAddress());
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uint intialBal = compToken.balanceOf(address(this));
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ComptrollerInterface(getComptrollerAddress()).claimComp(holders, ctokens, isBorrow, isSupply);
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uint finalBal = compToken.balanceOf(address(this));
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uint amt = sub(finalBal, intialBal);
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setUint(setId, amt);
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emit LogClaimedComp(amt, setId);
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bytes32 _eventCode = keccak256("LogClaimedComp(uint256,uint256)");
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bytes memory _eventParam = abi.encode(amt, setId);
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(uint _type, uint _id) = connectorID();
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EventInterface(getEventAddr()).emitEvent(_type, _id, _eventCode, _eventParam);
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}
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/**
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* @dev Delegate votes.
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* @param delegatee The address to delegate votes to.
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*/
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function delegate(address delegatee) external payable {
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COMPInterface compToken = COMPInterface(getCompTokenAddress());
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require(compToken.delegates(address(this)) != delegatee, "Already delegated to same delegatee.");
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compToken.delegate(delegatee);
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emit LogDelegate(delegatee);
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bytes32 _eventCode = keccak256("LogDelegate(address)");
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bytes memory _eventParam = abi.encode(delegatee);
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(uint _type, uint _id) = connectorID();
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EventInterface(getEventAddr()).emitEvent(_type, _id, _eventCode, _eventParam);
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}
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}
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contract ConnectCOMP is BasicResolver {
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string public name = "COMP-v1";
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} |