mirror of
https://github.com/Instadapp/dsa-connectors.git
synced 2024-07-29 22:37:00 +00:00
442 lines
18 KiB
Solidity
442 lines
18 KiB
Solidity
pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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/**
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* @title Benqi.
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* @dev Lending & Borrowing.
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*/
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import { TokenInterface } from "../../common/interfaces.sol";
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import { Stores } from "../../common/stores.sol";
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import { Helpers } from "./helpers.sol";
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import { Events } from "./events.sol";
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import { QiAVAXInterface, QiTokenInterface } from "./interface.sol";
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abstract contract BenqiResolver is Events, Helpers {
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/**
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* @dev Deposit AVAX/ARC20_Token.
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* @notice Deposit a token to Benqi for lending / collaterization.
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* @param token The address of the token to deposit. (For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param qiToken The address of the corresponding qiToken.
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* @param amt The amount of the token to deposit. (For max: `uint256(-1)`)
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens deposited.
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*/
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function depositRaw(
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address token,
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address qiToken,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) public payable returns (string memory _eventName, bytes memory _eventParam) {
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uint _amt = getUint(getId, amt);
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require(token != address(0) && qiToken != address(0), "invalid token/qitoken address");
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enterMarket(qiToken);
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if (token == avaxAddr) {
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_amt = _amt == uint(-1) ? address(this).balance : _amt;
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QiAVAXInterface(qiToken).mint{value: _amt}();
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} else {
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TokenInterface tokenContract = TokenInterface(token);
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_amt = _amt == uint(-1) ? tokenContract.balanceOf(address(this)) : _amt;
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approve(tokenContract, qiToken, _amt);
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require(QiTokenInterface(qiToken).mint(_amt) == 0, "deposit-failed");
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}
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setUint(setId, _amt);
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_eventName = "LogDeposit(address,address,uint256,uint256,uint256)";
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_eventParam = abi.encode(token, qiToken, _amt, getId, setId);
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}
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/**
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* @dev Deposit AVAX/ARC20_Token using the Mapping.
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* @notice Deposit a token to Benqi for lending / collaterization.
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* @param tokenId The token id of the token to deposit.(For eg: AVAX-A)
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* @param amt The amount of the token to deposit. (For max: `uint256(-1)`)
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens deposited.
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*/
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function deposit(
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string calldata tokenId,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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(address token, address qiToken) = qiMapping.getMapping(tokenId);
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(_eventName, _eventParam) = depositRaw(token, qiToken, amt, getId, setId);
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}
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/**
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* @dev Withdraw AVAX/ARC20_Token.
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* @notice Withdraw deposited token from Benqi
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* @param token The address of the token to withdraw. (For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param qiToken The address of the corresponding qiToken.
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* @param amt The amount of the token to withdraw. (For max: `uint256(-1)`)
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens withdrawn.
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*/
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function withdrawRaw(
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address token,
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address qiToken,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) public payable returns (string memory _eventName, bytes memory _eventParam) {
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uint _amt = getUint(getId, amt);
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require(token != address(0) && qiToken != address(0), "invalid token/qitoken address");
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QiTokenInterface qiTokenContract = QiTokenInterface(qiToken);
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if (_amt == uint(-1)) {
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TokenInterface tokenContract = TokenInterface(token);
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uint initialBal = token == avaxAddr ? address(this).balance : tokenContract.balanceOf(address(this));
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require(qiTokenContract.redeem(qiTokenContract.balanceOf(address(this))) == 0, "full-withdraw-failed");
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uint finalBal = token == avaxAddr ? address(this).balance : tokenContract.balanceOf(address(this));
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_amt = finalBal - initialBal;
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} else {
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require(qiTokenContract.redeemUnderlying(_amt) == 0, "withdraw-failed");
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}
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setUint(setId, _amt);
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_eventName = "LogWithdraw(address,address,uint256,uint256,uint256)";
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_eventParam = abi.encode(token, qiToken, _amt, getId, setId);
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}
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/**
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* @dev Withdraw AVAX/ARC20_Token using the Mapping.
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* @notice Withdraw deposited token from Benqi
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* @param tokenId The token id of the token to withdraw.(For eg: AVAX-A)
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* @param amt The amount of the token to withdraw. (For max: `uint256(-1)`)
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens withdrawn.
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*/
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function withdraw(
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string calldata tokenId,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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(address token, address qiToken) = qiMapping.getMapping(tokenId);
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(_eventName, _eventParam) = withdrawRaw(token, qiToken, amt, getId, setId);
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}
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/**
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* @dev Borrow AVAX/ARC20_Token.
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* @notice Borrow a token using Benqi
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* @param token The address of the token to borrow. (For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param qiToken The address of the corresponding qiToken.
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* @param amt The amount of the token to borrow.
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens borrowed.
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*/
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function borrowRaw(
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address token,
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address qiToken,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) public payable returns (string memory _eventName, bytes memory _eventParam) {
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uint _amt = getUint(getId, amt);
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require(token != address(0) && qiToken != address(0), "invalid token/qitoken address");
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enterMarket(qiToken);
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require(QiTokenInterface(qiToken).borrow(_amt) == 0, "borrow-failed");
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setUint(setId, _amt);
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_eventName = "LogBorrow(address,address,uint256,uint256,uint256)";
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_eventParam = abi.encode(token, qiToken, _amt, getId, setId);
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}
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/**
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* @dev Borrow AVAX/ARC20_Token using the Mapping.
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* @notice Borrow a token using Benqi
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* @param tokenId The token id of the token to borrow.(For eg: DAI-A)
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* @param amt The amount of the token to borrow.
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens borrowed.
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*/
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function borrow(
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string calldata tokenId,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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(address token, address qiToken) = qiMapping.getMapping(tokenId);
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(_eventName, _eventParam) = borrowRaw(token, qiToken, amt, getId, setId);
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}
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/**
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* @dev Payback borrowed AVAX/ARC20_Token.
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* @notice Payback debt owed.
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* @param token The address of the token to payback. (For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param qiToken The address of the corresponding qiToken.
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* @param amt The amount of the token to payback. (For max: `uint256(-1)`)
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens paid back.
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*/
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function paybackRaw(
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address token,
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address qiToken,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) public payable returns (string memory _eventName, bytes memory _eventParam) {
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uint _amt = getUint(getId, amt);
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require(token != address(0) && qiToken != address(0), "invalid token/qitoken address");
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QiTokenInterface qiTokenContract = QiTokenInterface(qiToken);
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_amt = _amt == uint(-1) ? qiTokenContract.borrowBalanceCurrent(address(this)) : _amt;
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if (token == avaxAddr) {
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require(address(this).balance >= _amt, "not-enough-avax");
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QiAVAXInterface(qiToken).repayBorrow{value: _amt}();
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} else {
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TokenInterface tokenContract = TokenInterface(token);
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require(tokenContract.balanceOf(address(this)) >= _amt, "not-enough-token");
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approve(tokenContract, qiToken, _amt);
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require(qiTokenContract.repayBorrow(_amt) == 0, "repay-failed.");
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}
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setUint(setId, _amt);
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_eventName = "LogPayback(address,address,uint256,uint256,uint256)";
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_eventParam = abi.encode(token, qiToken, _amt, getId, setId);
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}
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/**
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* @dev Payback borrowed AVAX/ARC20_Token using the Mapping.
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* @notice Payback debt owed.
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* @param tokenId The token id of the token to payback.(For eg: BENQI-A)
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* @param amt The amount of the token to payback. (For max: `uint256(-1)`)
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens paid back.
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*/
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function payback(
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string calldata tokenId,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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(address token, address qiToken) = qiMapping.getMapping(tokenId);
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(_eventName, _eventParam) = paybackRaw(token, qiToken, amt, getId, setId);
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}
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/**
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* @dev Deposit AVAX/ARC20_Token.
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* @notice Same as depositRaw. The only difference is this method stores qiToken amount in set ID.
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* @param token The address of the token to deposit. (For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param qiToken The address of the corresponding qiToken.
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* @param amt The amount of the token to deposit. (For max: `uint256(-1)`)
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of qiTokens received.
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*/
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function depositQiTokenRaw(
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address token,
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address qiToken,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) public payable returns (string memory _eventName, bytes memory _eventParam) {
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uint _amt = getUint(getId, amt);
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require(token != address(0) && qiToken != address(0), "invalid token/qitoken address");
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enterMarket(qiToken);
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QiTokenInterface qitokenContract = QiTokenInterface(qiToken);
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uint initialBal = qitokenContract.balanceOf(address(this));
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if (token == avaxAddr) {
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_amt = _amt == uint(-1) ? address(this).balance : _amt;
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QiAVAXInterface(qiToken).mint{value: _amt}();
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} else {
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TokenInterface tokenContract = TokenInterface(token);
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_amt = _amt == uint(-1) ? tokenContract.balanceOf(address(this)) : _amt;
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approve(tokenContract, qiToken, _amt);
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require(qitokenContract.mint(_amt) == 0, "deposit-qitoken-failed.");
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}
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uint _cAmt;
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{
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uint finalBal = qitokenContract.balanceOf(address(this));
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_cAmt = sub(finalBal, initialBal);
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setUint(setId, _cAmt);
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}
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_eventName = "LogDepositQiToken(address,address,uint256,uint256,uint256,uint256)";
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_eventParam = abi.encode(token, qiToken, _amt, _cAmt, getId, setId);
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}
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/**
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* @dev Deposit AVAX/ARC20_Token using the Mapping.
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* @notice Same as deposit. The only difference is this method stores qiToken amount in set ID.
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* @param tokenId The token id of the token to depositQiToken.(For eg: DAI-A)
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* @param amt The amount of the token to deposit. (For max: `uint256(-1)`)
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of qiTokens received.
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*/
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function depositQiToken(
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string calldata tokenId,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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(address token, address qiToken) = qiMapping.getMapping(tokenId);
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(_eventName, _eventParam) = depositQiTokenRaw(token, qiToken, amt, getId, setId);
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}
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/**
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* @dev Withdraw QiAVAX/QiARC20_Token using qiToken Amt.
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* @notice Same as withdrawRaw. The only difference is this method fetch qiToken amount in get ID.
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* @param token The address of the token to withdraw. (For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param qiToken The address of the corresponding qiToken.
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* @param qiTokenAmt The amount of qiTokens to withdraw
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* @param getId ID to retrieve qiTokenAmt
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* @param setId ID stores the amount of tokens withdrawn.
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*/
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function withdrawQiTokenRaw(
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address token,
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address qiToken,
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uint qiTokenAmt,
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uint getId,
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uint setId
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) public payable returns (string memory _eventName, bytes memory _eventParam) {
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uint _cAmt = getUint(getId, qiTokenAmt);
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require(token != address(0) && qiToken != address(0), "invalid token/qitoken address");
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QiTokenInterface qiTokenContract = QiTokenInterface(qiToken);
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TokenInterface tokenContract = TokenInterface(token);
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_cAmt = _cAmt == uint(-1) ? qiTokenContract.balanceOf(address(this)) : _cAmt;
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uint withdrawAmt;
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{
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uint initialBal = token != avaxAddr ? tokenContract.balanceOf(address(this)) : address(this).balance;
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require(qiTokenContract.redeem(_cAmt) == 0, "redeem-failed");
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uint finalBal = token != avaxAddr ? tokenContract.balanceOf(address(this)) : address(this).balance;
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withdrawAmt = sub(finalBal, initialBal);
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}
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setUint(setId, withdrawAmt);
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_eventName = "LogWithdrawQiToken(address,address,uint256,uint256,uint256,uint256)";
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_eventParam = abi.encode(token, qiToken, withdrawAmt, _cAmt, getId, setId);
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}
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/**
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* @dev Withdraw QiAVAX/QiARC20_Token using qiToken Amt & the Mapping.
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* @notice Same as withdraw. The only difference is this method fetch qiToken amount in get ID.
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* @param tokenId The token id of the token to withdraw QiToken.(For eg: AVAX-A)
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* @param qiTokenAmt The amount of qiTokens to withdraw
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* @param getId ID to retrieve qiTokenAmt
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* @param setId ID stores the amount of tokens withdrawn.
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*/
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function withdrawQiToken(
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string calldata tokenId,
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uint qiTokenAmt,
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uint getId,
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uint setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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(address token, address qiToken) = qiMapping.getMapping(tokenId);
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(_eventName, _eventParam) = withdrawQiTokenRaw(token, qiToken, qiTokenAmt, getId, setId);
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}
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/**
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* @dev Liquidate a position.
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* @notice Liquidate a position.
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* @param borrower Borrower's Address.
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* @param tokenToPay The address of the token to pay for liquidation.(For AVAX: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
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* @param qiTokenPay Corresponding qiToken address.
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* @param tokenInReturn The address of the token to return for liquidation.
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* @param qiTokenColl Corresponding qiToken address.
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* @param amt The token amount to pay for liquidation.
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of paid for liquidation.
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*/
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function liquidateRaw(
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address borrower,
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address tokenToPay,
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address qiTokenPay,
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address tokenInReturn,
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address qiTokenColl,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) public payable returns (string memory _eventName, bytes memory _eventParam) {
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uint _amt = getUint(getId, amt);
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require(tokenToPay != address(0) && qiTokenPay != address(0), "invalid token/qitoken address");
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require(tokenInReturn != address(0) && qiTokenColl != address(0), "invalid token/qitoken address");
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QiTokenInterface qiTokenContract = QiTokenInterface(qiTokenPay);
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{
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(,, uint shortfal) = troller.getAccountLiquidity(borrower);
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require(shortfal != 0, "account-cannot-be-liquidated");
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_amt = _amt == uint(-1) ? qiTokenContract.borrowBalanceCurrent(borrower) : _amt;
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}
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if (tokenToPay == avaxAddr) {
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require(address(this).balance >= _amt, "not-enough-avax");
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QiAVAXInterface(qiTokenPay).liquidateBorrow{value: _amt}(borrower, qiTokenColl);
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} else {
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TokenInterface tokenContract = TokenInterface(tokenToPay);
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require(tokenContract.balanceOf(address(this)) >= _amt, "not-enough-token");
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approve(tokenContract, qiTokenPay, _amt);
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require(qiTokenContract.liquidateBorrow(borrower, _amt, qiTokenColl) == 0, "liquidate-failed");
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}
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setUint(setId, _amt);
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_eventName = "LogLiquidate(address,address,address,uint256,uint256,uint256)";
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_eventParam = abi.encode(
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address(this),
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tokenToPay,
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tokenInReturn,
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_amt,
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getId,
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setId
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);
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}
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/**
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* @dev Liquidate a position using the mapping.
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* @notice Liquidate a position using the mapping.
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* @param borrower Borrower's Address.
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* @param tokenIdToPay token id of the token to pay for liquidation.(For eg: AVAX-A)
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* @param tokenIdInReturn token id of the token to return for liquidation.(For eg: USDC-A)
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* @param amt token amount to pay for liquidation.
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of paid for liquidation.
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*/
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function liquidate(
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address borrower,
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string calldata tokenIdToPay,
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string calldata tokenIdInReturn,
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uint256 amt,
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uint256 getId,
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uint256 setId
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) external payable returns (string memory _eventName, bytes memory _eventParam) {
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(address tokenToPay, address qiTokenToPay) = qiMapping.getMapping(tokenIdToPay);
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(address tokenInReturn, address qiTokenColl) = qiMapping.getMapping(tokenIdInReturn);
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(_eventName, _eventParam) = liquidateRaw(
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borrower,
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tokenToPay,
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qiTokenToPay,
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tokenInReturn,
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qiTokenColl,
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amt,
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getId,
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setId
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);
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}
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}
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contract ConnectV2BenqiAvalanche is BenqiResolver {
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string public constant name = "Benqi-v1";
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}
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