dsa-connectors-old/contracts/connectors/COMP.sol
2020-07-12 17:39:54 +05:30

255 lines
8.6 KiB
Solidity

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