dsa-connectors-2.0/contracts/mainnet/connectors/fluid/main.sol
2023-12-24 15:51:25 +04:00

99 lines
3.0 KiB
Solidity

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;
/**
* @title Fluid.
* @dev Lending & Borrowing.
*/
import {Stores} from "../../common/stores.sol";
import {TokenInterface} from "../../common/interfaces.sol";
import {Events} from "./events.sol";
import {IVault} from "./interface.sol";
abstract contract FluidConnector is Events, Stores {
/**
* @dev Returns Eth address
*/
function getEthAddr() internal pure returns (address) {
return 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
}
/**
* @dev Deposit, borrow, payback and withdraw asset from the vault.
* @notice Single function which handles supply, withdraw, borrow & payback
* @param vaultAddress_ Vault address.
* @param nftId_ NFT ID for interaction. If 0 then create new NFT/position.
* @param newCol_ New collateral. If positive then deposit, if negative then withdraw, if 0 then do nothing
* @param newDebt_ New debt. If positive then borrow, if negative then payback, if 0 then do nothing
* @param to_ Address where withdraw or borrow should go. If address(0) then msg.sender
* @param getId_ ID to retrieve NFT ID.
* @param setId_ ID stores the NFT ID generated.
*/
function operate(
address vaultAddress_,
uint256 nftId_,
int256 newCol_,
int256 newDebt_,
address to_,
uint256 getId_,
uint256 setId_
)
external
payable
returns (string memory _eventName, bytes memory _eventParam)
{
nftId_ = getUint(getId_, nftId_);
IVault vault_ = IVault(vaultAddress_);
IVault.ConstantViews memory vaultDetails_ = vault_.constantsView();
bool isSupplyTokenEth_ = vaultDetails_.supplyToken == getEthAddr();
bool isBorrowTokenEth_ = vaultDetails_.borrowToken == getEthAddr();
if (newCol_ > 0 && !isSupplyTokenEth_) {
TokenInterface(vaultDetails_.supplyToken).approve(
vaultAddress_,
uint256(newCol_)
);
}
if (newDebt_ < 0 && !isBorrowTokenEth_) {
TokenInterface(vaultDetails_.borrowToken).approve(
vaultAddress_,
uint256(-1 * newDebt_)
);
}
uint256 colEthAmount_ = isSupplyTokenEth_ && newCol_ > 0
? uint256(newCol_)
: 0;
uint256 debtEthAmount_ = isBorrowTokenEth_ && newDebt_ < 0
? uint256(-1 * newDebt_)
: 0;
(nftId_, newCol_, newDebt_) = vault_.operate{
value: colEthAmount_ + debtEthAmount_
}(nftId_, newCol_, newDebt_, to_);
setUint(setId_, nftId_);
_eventName = "LogOperate(address,uint256,int256,int256,address,uint256,uint256)";
_eventParam = abi.encode(
vaultAddress_,
nftId_,
newCol_,
newDebt_,
to_,
getId_,
setId_
);
}
}
contract ConnectV2Fluid is FluidConnector {
string public constant name = "Fluid-v1.0";
}