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			255 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			255 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| pragma solidity ^0.6.0;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| contract DSMath {
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| 
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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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| 
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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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| 
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|     uint constant WAD = 10 ** 18;
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| 
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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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| 
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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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| 
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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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| }
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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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|     /**
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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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|     /**
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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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|     /**
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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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|     /**
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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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|     /**
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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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| 
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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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|     /**
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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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|     /**
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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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| 
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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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| 
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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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| 
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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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|     /**
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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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| 
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|         setUint(setId, amt);
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| 
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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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|     /**
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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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| 
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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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| 
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|         setUint(setId, amt);
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| 
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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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|     /**
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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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| 
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|         address[] memory holders = new address[](1);
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|         holders[0] = address(this);
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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(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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| 
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|         setUint(setId, amt);
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| 
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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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|     /**
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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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| 
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|         compToken.delegate(delegatee);
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| 
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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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| 
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| contract ConnectCOMP is BasicResolver {
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|     string public name = "COMP-v1";
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| } | 
