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interface & basic read functions

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This commit is contained in:
Samyak Jain 2019-05-28 04:36:05 +05:30
parent 02c21a9b28
commit 12b0142615
1 changed files with 61 additions and 5 deletions
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66
contracts/ProxyLogics/InstaCompound.sol
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@ -1,6 +1,6 @@
pragma solidity ^0.5.0;
pragma solidity ^0.5.7;
interface CTokenInterface {
interface CERC20Interface {
function mint(uint mintAmount) external returns (uint); // For ERC20
function mint() external payable; // For ETH
function redeem(uint redeemTokens) external returns (uint);
@ -17,9 +17,65 @@ interface CTokenInterface {
function totalBorrowsCurrent() external returns (uint);
function borrowBalanceCurrent(address account) external returns (uint);
function borrowRatePerBlock() external view returns (uint);
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256 balance);
function supplyRatePerBlock() external view returns (uint);
function totalReserves() external view returns (uint);
function reserveFactorMantissa() external view returns (uint);
}
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256 balance);
function allowance(address, 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 ERC20Interface {
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 enterMarkets(address[] calldata cTokens) external returns (uint[] memory);
function exitMarket(address cTokenAddress) external returns (uint);
function getAssetsIn(address account) external view returns (address[] memory);
function getAccountLiquidity(address account) external view returns (uint, uint, uint);
}
contract Helpers {
/**
* @dev get Compound Comptroller
*/
function getComptrollerAddress() public pure returns (address troller) {
troller = 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;
}
// Need to check at the end
function exchangeRate(address cERC20) public returns (uint exchangeRateMantissa) {
CERC20Interface cToken = CERC20Interface(cERC20);
exchangeRateMantissa = cToken.exchangeRateCurrent();
}
function getCash(address cERC20) public view returns (uint cash) {
CERC20Interface cToken = CERC20Interface(cERC20);
cash = cToken.getCash();
}
// Need to check at the end
function totalBorrow(address cERC20) public returns (uint borrows) {
CERC20Interface cToken = CERC20Interface(cERC20);
borrows = cToken.totalBorrowsCurrent();
}
// Need to check at the end
function borrowBalance(address user, address cERC20) public returns (uint borrowAmt) {
CERC20Interface cToken = CERC20Interface(cERC20);
borrowAmt = cToken.borrowBalanceCurrent(user);
}
}