Instadapp/yield-contract
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done with eth pool exchange rate

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This commit is contained in:
Thrilok Kumar 2020-09-27 22:35:14 +05:30
parent 7a5b127225
commit 17be61f608
1 changed files with 50 additions and 26 deletions
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76
contracts/logics/exchangeRate/ethLogic.sol
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@ -16,23 +16,6 @@ interface CompTroller {
function getAllMarkets() external view returns (address[] memory); function getAllMarkets() external view returns (address[] memory);
} }
interface OracleComp {
function getUnderlyingPrice(address) external view returns (uint);
}
interface InstaMapping {
function cTokenMapping(address) external view returns (address);
}
interface CurveMapping {
function curvePoolMapping(address poolAddr) external view returns (address);
}
interface CurveRegistry {
function pool_list(uint) external view returns (address poolAddress, address poolToken);
function pool_count() external view returns (uint);
}
interface ICurve { interface ICurve {
function get_virtual_price() external view returns (uint256 out); function get_virtual_price() external view returns (uint256 out);
} }
@ -47,27 +30,65 @@ interface PriceFeedInterface {
function getEthPrice() external view returns (uint256 ethPriceUSD); function getEthPrice() external view returns (uint256 ethPriceUSD);
} }
interface ManagerLike {
function ilks(uint) external view returns (bytes32);
function owns(uint) external view returns (address);
function urns(uint) external view returns (address);
function vat() external view returns (address);
}
interface VatLike {
function ilks(bytes32) external view returns (uint, uint, uint, uint, uint);
function dai(address) external view returns (uint);
function urns(bytes32, address) external view returns (uint, uint);
function gem(bytes32, address) external view returns (uint);
}
contract EthRateLogic is DSMath { contract EthRateLogic is DSMath {
address public immutable poolToken; address public immutable poolToken;
address public immutable dsa;
uint public immutable vaultId;
address public immutable vaultUrn;
address public constant ethAddr = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
address public constant daiAddr = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
address public constant PriceFeedAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88);
address public constant compTrollerAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88); address public constant compTrollerAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88);
address public constant cethAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88); address public constant cethAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88);
address public constant ethAddr = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
address public constant compOracleAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88);
address public constant PriceFeedAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88);
address public constant ctokenMapping = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88);
address public constant curve3poolAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88); address public constant curve3poolAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88);
address public constant curve3poolTokenAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88); address public constant curve3poolTokenAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88);
address public constant managerAddr = address(0xe81F70Cc7C0D46e12d70efc60607F16bbD617E88);
bytes32 public constant ethIlk = bytes32(0);
function getMakerNetAssetsInEth() private view returns (uint256 _netBal) {
ManagerLike managerContract = ManagerLike(managerAddr);
VatLike vatContract = VatLike(managerContract.vat());
uint daiPriceInETH = PriceFeedInterface(PriceFeedAddr).getPrice(daiAddr);
(uint coll, uint art) = vatContract.urns(ethIlk, vaultUrn);
(,uint rate,,,) = vatContract.ilks(ethIlk);
uint debt = rmul(art,rate);
uint debtInEth = wmul(debt, daiPriceInETH);
return sub(coll, debtInEth);
}
function getCompoundNetAssetsInEth(address _dsa) private returns (uint256 _netBal) { function getCompoundNetAssetsInEth(address _dsa) private returns (uint256 _netBal) {
uint totalSupplyInETH; uint totalSupplyInETH;
uint totalBorrowInETH; uint totalBorrowInETH;
address[] memory allMarkets = CompTroller(compTrollerAddr).getAllMarkets(); address[] memory allMarkets = CompTroller(compTrollerAddr).getAllMarkets();
PriceFeedInterface priceFeedContract = PriceFeedInterface(PriceFeedAddr); PriceFeedInterface priceFeedContract = PriceFeedInterface(PriceFeedAddr);
// uint ethPrice = oracleContract.getUnderlyingPrice(cethAddr);
for (uint i = 0; i < allMarkets.length; i++) { for (uint i = 0; i < allMarkets.length; i++) {
CTokenInterface ctoken = CTokenInterface(allMarkets[i]); CTokenInterface ctoken = CTokenInterface(allMarkets[i]);
uint tokenPriceInETH = priceFeedContract.getPrice(address(ctoken) == cethAddr ? ethAddr : ctoken.underlying()); uint tokenPriceInETH = address(ctoken) == cethAddr ? 10 ** 18 : priceFeedContract.getPrice(ctoken.underlying());
uint supply = wmul(ctoken.balanceOf(_dsa), ctoken.exchangeRateCurrent()); uint supply = wmul(ctoken.balanceOf(_dsa), ctoken.exchangeRateCurrent());
uint supplyInETH = wmul(supply, tokenPriceInETH); uint supplyInETH = wmul(supply, tokenPriceInETH);
@ -93,6 +114,7 @@ contract EthRateLogic is DSMath {
function getNetDsaAssets(address _dsa) private returns (uint256 _netBal) { function getNetDsaAssets(address _dsa) private returns (uint256 _netBal) {
_netBal = _dsa.balance; _netBal = _dsa.balance;
_netBal += getCompoundNetAssetsInEth(_dsa); _netBal += getCompoundNetAssetsInEth(_dsa);
_netBal += getMakerNetAssetsInEth();
_netBal += getCurveNetAssetsInEth(_dsa); _netBal += getCurveNetAssetsInEth(_dsa);
} }
@ -103,9 +125,11 @@ contract EthRateLogic is DSMath {
return bal; return bal;
} }
constructor (address ethPool) public { constructor (address ethPool, address _dsa, uint _vaultId) public {
poolToken = address(ethPool); poolToken = address(ethPool);
} vaultId = _vaultId;
dsa = _dsa;
vaultUrn = ManagerLike(managerAddr).urns(_vaultId);
receive() external payable {} }
} }