mirror of
https://github.com/Instadapp/dsa-connectors.git
synced 2024-07-29 22:37:00 +00:00
87 lines
2.9 KiB
Solidity
87 lines
2.9 KiB
Solidity
pragma solidity ^0.7.0;
|
|
|
|
/**
|
|
* @title Yearn V2.
|
|
* @dev Vaults & yield.
|
|
*/
|
|
|
|
import { TokenInterface } from "../../common/interfaces.sol";
|
|
import { Basic } from "../../common/basic.sol";
|
|
import { Events } from "./events.sol";
|
|
import { YearnV2Interface } from "./interface.sol";
|
|
|
|
abstract contract YearnResolver is Events, Basic {
|
|
/**
|
|
* @dev Deposit funds in the vault, issuing shares to recipient.
|
|
* @notice This will deposit funds to a specific Yearn Vault.
|
|
* @param vault The address of the vault to deposit funds into.
|
|
* @param amt The amount of tokens to deposit.
|
|
* @param getId ID to retrieve amt.
|
|
* @param setId ID stores the amount of shares received.
|
|
*/
|
|
function deposit(
|
|
address vault,
|
|
uint256 amt,
|
|
uint256 getId,
|
|
uint256 setId
|
|
) external payable returns (string memory _eventName, bytes memory _eventParam) {
|
|
uint _amt = getUint(getId, amt);
|
|
|
|
YearnV2Interface yearn = YearnV2Interface(vault);
|
|
|
|
address want = yearn.token();
|
|
bool iswETH = want == wethAddr;
|
|
TokenInterface tokenContract = TokenInterface(want);
|
|
|
|
if (iswETH) {
|
|
_amt = _amt == uint(-1) ? address(this).balance : _amt;
|
|
convertEthToWeth(iswETH, tokenContract, _amt);
|
|
} else {
|
|
_amt = _amt == uint(-1) ? tokenContract.balanceOf(address(this)) : _amt;
|
|
}
|
|
|
|
approve(tokenContract, vault, _amt);
|
|
|
|
uint256 _shares = yearn.deposit(_amt, address(this));
|
|
setUint(setId, _shares);
|
|
|
|
_eventName = "LogDeposit(address,uint256,uint256,uint256,uint256)";
|
|
_eventParam = abi.encode(vault, _shares, _amt, getId, setId);
|
|
}
|
|
|
|
/**
|
|
* @dev Withdraw shares from the vault.
|
|
* @notice This will withdraw the share from a specific Yearn Vault.
|
|
* @param vault The address of the vault to withdraw shares from.
|
|
* @param amt The amount of shares to withdraw.
|
|
* @param getId ID to retrieve amt.
|
|
* @param setId ID stores the amount want token redeemed.
|
|
*/
|
|
function withdraw(
|
|
address vault,
|
|
uint256 amt,
|
|
uint256 getId,
|
|
uint256 setId
|
|
) external payable returns (string memory _eventName, bytes memory _eventParam) {
|
|
uint _amt = getUint(getId, amt);
|
|
|
|
YearnV2Interface vault = YearnV2Interface(vault);
|
|
|
|
|
|
_amt = _amt == uint(-1) ? vault.balanceOf(address(this)) : _amt;
|
|
uint256 _wantRedeemed = vault.withdraw(_amt, address(this));
|
|
setUint(setId, _wantRedeemed);
|
|
|
|
TokenInterface tokenContract = TokenInterface(vault.token());
|
|
bool isWEth = vault.token() == wethAddr;
|
|
convertWethToEth(isWEth, tokenContract, _amt);
|
|
|
|
_eventName = "LogWithdraw(address,uint256,uint256,uint256,uint256)";
|
|
_eventParam = abi.encode(vault, _amt, _wantRedeemed, getId, setId);
|
|
}
|
|
}
|
|
|
|
contract ConnectV2YearnV2 is YearnResolver {
|
|
string public constant name = "YearnV2-v1.0";
|
|
}
|