Merge pull request #304 from Instadapp/crv-usd

Crv usd
This commit is contained in:
Shriya Tyagi 2023-09-24 14:47:59 +05:30 committed by GitHub
commit 432c1782e0
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7 changed files with 812 additions and 2 deletions

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//SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
contract Events {
event LogCreateLoan(address indexed collateral, uint256 amt, uint256 debt, uint256 indexed numBands, uint256 controllerVersion, uint256 getId, uint256 setId);
event LogAddCollateral(address indexed collateral, uint256 indexed amt, uint256 controllerVersion, uint256 getId, uint256 setId);
event LogRemoveCollateral(address indexed collateral, uint256 indexed amt, uint256 getId, uint256 setId);
event LogBorrowMore(address indexed collateral, uint256 indexed amt, uint256 controllerVersion, uint256 indexed debt);
event LogRepay(address indexed collateral, uint256 indexed amt, uint256 controllerVersion, uint256 getId, uint256 setId);
event LogLiquidate(address indexed collateral, uint256 indexed min_x, uint256 controllerVersion, uint256 getId, uint256 setId);
}

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//SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import { DSMath } from "../../common/math.sol";
import { Basic } from "../../common/basic.sol";
import { TokenInterface } from "../../common/interfaces.sol";
import "./interface.sol";
abstract contract Helpers is DSMath, Basic {
address internal constant CRV_USD = 0xf939E0A03FB07F59A73314E73794Be0E57ac1b4E;
/**
* @dev ControllerFactory Interface
*/
IControllerFactory internal constant CONTROLLER_FACTORY =
IControllerFactory(0xC9332fdCB1C491Dcc683bAe86Fe3cb70360738BC);
/**
* @dev Get controller address by given collateral asset
*/
function getController(address collateral, uint256 i) internal view returns(IController controller) {
controller = IController(CONTROLLER_FACTORY.get_controller(collateral, i));
}
}

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@ -0,0 +1,21 @@
//SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
import { TokenInterface } from "../../common/interfaces.sol";
interface IControllerFactory {
function get_controller(address collateral, uint256 index) external view returns (address);
}
interface IController {
function create_loan(uint256 collateral, uint256 debt, uint256 N) payable external;
function add_collateral(uint256 collateral, address _for) payable external;
function remove_collateral(uint256 collateral, bool use_eth) external;
function borrow_more(uint256 collateral, uint256 debt) payable external;
function repay(uint256 _d_debt, address _for, int256 max_active_band, bool use_eth) payable external;
function repay(uint256 _d_debt) payable external;
function liquidate(address user, uint256 min_x, bool use_eth) external;
function max_borrowable(uint256 collateral, uint256 N) external view returns(uint256);
function min_collateral(uint256 debt, uint256 N) external view returns(uint256);
function user_state(address user) external view returns(uint256[4] memory);
}

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//SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;
/**
* @title Curve USD.
* @dev Collateralized Borrowing.
*/
import { TokenInterface, AccountInterface } from "../../common/interfaces.sol";
import { Helpers } from "./helpers.sol";
import { Events } from "./events.sol";
import "./interface.sol";
abstract contract CurveUSDResolver is Helpers, Events {
/**
* @dev Create loan
* @dev If a user already has an existing loan, the function will revert.
* @param collateral Collateral token address.(For ETH: `0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE`)
* @param amt Amount of collateral (For max: `uint256(-1)`)
* @param debtAmt Stablecoin debt to take (For max: `uint256(-1)`)
* @param numBands Number of bands to deposit into (to do autoliquidation-deliquidation), can only be from MIN_TICKS(4) to MAX_TICKS(50)
* @param controllerVersion Controller version,
* @param getId ID to retrieve amt.
* @param setId ID stores the amount of debt borrowed.
*/
function createLoan(
address collateral,
uint256 amt,
uint256 debtAmt,
uint256 numBands,
uint256 controllerVersion,
uint256 getId,
uint256 setId
) external returns (string memory _eventName, bytes memory _eventParam) {
uint256 _amt = getUint(getId, amt);
bool _isEth = collateral == ethAddr;
address _collateralAddress = _isEth ? wethAddr : collateral;
TokenInterface collateralContract = TokenInterface(_collateralAddress);
// Get controller address of collateral.
IController controller = getController(_collateralAddress, controllerVersion);
if (_isEth) {
_amt = _amt == uint256(-1) ? address(this).balance : _amt;
convertEthToWeth(_isEth, collateralContract, _amt);
} else {
_amt = _amt == uint256(-1) ? collateralContract.balanceOf(address(this)) : _amt;
}
approve(collateralContract, address(controller), _amt);
uint256 _debtAmt = debtAmt == uint256(-1) ? controller.max_borrowable(_amt, numBands) : debtAmt;
controller.create_loan(_amt, _debtAmt, numBands);
setUint(setId, _debtAmt);
_eventName = "LogCreateLoan(address,uint256,uint256,uint256,uint256,uin256,uin256)";
_eventParam = abi.encode(collateral, _amt, _debtAmt, numBands, controllerVersion, getId, setId);
}
/**
* @dev Add collateral
* @notice Add extra collateral to avoid bad liqidations
* @param collateral Collateral token address.(For ETH: `0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE`)
* @param amt Amount of collateral (For max: `uint256(-1)`)
* @param controllerVersion Controller version,
* @param getId ID to retrieve amt.
* @param setId ID stores the collateral amount of tokens added.
*/
function addCollateral(
address collateral,
uint256 amt,
uint256 controllerVersion,
uint256 getId,
uint256 setId
) external returns (string memory _eventName, bytes memory _eventParam) {
uint _amt = getUint(getId, amt);
bool _isEth = collateral == ethAddr;
address _collateralAddress = _isEth ? wethAddr : collateral;
// Get controller address of collateral.
IController controller = getController(_collateralAddress, controllerVersion);
TokenInterface collateralContract = TokenInterface(_collateralAddress);
if (_isEth) {
_amt = _amt == uint(-1) ? address(this).balance : _amt;
convertEthToWeth(_isEth, collateralContract, _amt);
} else {
_amt = _amt == uint(-1) ? collateralContract.balanceOf(address(this)) : _amt;
}
approve(collateralContract, address(controller), _amt);
controller.add_collateral(_amt, address(this));
setUint(setId, _amt);
_eventName = "LogAddCollateral(address,uint256,uint256,uint256,uint256)";
_eventParam = abi.encode(collateral, amt, controllerVersion, getId, setId);
}
/**
* @dev Remove ETH/ERC20_Token Collateral.
* @notice Remove some collateral without repaying the debt
* @param collateral Collateral token address.(For ETH: `0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE`)
* @param amt Remove collateral amount (For max: `uint256(-1)`)
* @param controllerVersion controller version
* @param getId ID to retrieve amt.
* @param setId ID stores the amount of tokens deposited.
*/
function removeCollateral(
address collateral,
uint256 amt,
uint256 controllerVersion,
uint256 getId,
uint256 setId
) external returns (string memory _eventName, bytes memory _eventParam) {
uint _amt = getUint(getId, amt);
bool _isEth = collateral == ethAddr;
address _collateralAddress = _isEth ? wethAddr : collateral;
IController controller = getController(_collateralAddress, controllerVersion);
// remove_collateral will unwrap the eth.
controller.remove_collateral(_amt, _isEth);
setUint(setId, _amt);
_eventName = "LogRemoveCollateral(address,uint256,uint256,uint256,uint256)";
_eventParam = abi.encode(collateral, amt, controllerVersion, getId, setId);
}
/**
* @dev Borrow more stablecoins while adding more collateral (not necessary)
* @param collateral Collateral token address.(For ETH: `0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE`)
* @param debtAmt Stablecoin debt to take for borrow more (For max: `uint256(-1)`)
* @param controllerVersion controller version
* @param getId ID to retrieve amt.
* @param setId ID stores the amount of tokens deposited.
*/
function borrowMore(
address collateral,
uint256 debtAmt,
uint256 controllerVersion,
uint256 getId,
uint256 setId
) external returns (string memory _eventName, bytes memory _eventParam) {
uint _amt = getUint(getId, debtAmt);
bool _isEth = collateral == ethAddr;
address _collateralAddress = _isEth ? wethAddr : collateral;
IController controller = getController(_collateralAddress, controllerVersion);
uint256[4] memory res = controller.user_state(address(this));
uint256 _debtAmt = debtAmt == uint(-1)
? controller.max_borrowable(res[0], res[3]) - res[2]
: debtAmt;
controller.borrow_more(0, _debtAmt);
setUint(setId, _amt);
_eventName = "LogBorrowMore(address,uint256,uint256,uin256,uin256)";
_eventParam = abi.encode(collateral, debtAmt, controllerVersion, getId, setId);
}
/**
* @dev Borrow more stablecoins while adding more collateral (not necessary)
* @param collateral Collateral token address.(For ETH: `0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE`)
* @param colAmt Collateral amount for borrow more (For max: `uint256(-1)`)
* @param debtAmt Stablecoin debt to take for borrow more (For max: `uint256(-1)`)
* @param controllerVersion controller version
* @param getId ID to retrieve amt.
* @param setId ID stores the amount of tokens deposited.
*/
function addCollateralAndBorrowMore(
address collateral,
uint256 colAmt,
uint256 debtAmt,
uint256 controllerVersion,
uint256 getId,
uint256 setId
) external returns (string memory _eventName, bytes memory _eventParam) {
uint _amt = getUint(getId, colAmt);
bool _isEth = collateral == ethAddr;
address _collateralAddress = _isEth ? wethAddr : collateral;
TokenInterface collateralContract = TokenInterface(_collateralAddress);
IController controller = getController(_collateralAddress, controllerVersion);
if (_isEth) {
_amt = _amt == uint(-1) ? address(this).balance : _amt;
convertEthToWeth(_isEth, collateralContract, _amt);
} else {
_amt = _amt == uint(-1) ? collateralContract.balanceOf(address(this)) : _amt;
}
approve(collateralContract, address(controller), _amt);
uint256[4] memory res = controller.user_state(address(this));
uint256 _debtAmt = debtAmt == uint(-1)
? controller.max_borrowable(_amt + res[0], res[3]) - res[2]
: debtAmt;
controller.borrow_more(_amt, _debtAmt);
setUint(setId, _amt);
_eventName = "LogAddCollateralAndBorrowMore(address,uint256,uint256,uint256,uin256,uin256)";
_eventParam = abi.encode(collateral, colAmt, debtAmt, controllerVersion, getId, setId);
}
/**
* @dev Repay Curve-USD.
* @param collateral Collateral token address.(For ETH: `0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE`)
* @param amt repay amount (For max: `uint256(-1)`)
* @param controllerVersion Controller version.
* @param getId ID to retrieve amt.
* @param setId ID stores the amount of debt borrowed.
*/
function repay(
address collateral,
uint256 amt,
uint256 controllerVersion,
uint256 getId,
uint256 setId
) external payable returns (string memory _eventName, bytes memory _eventParam) {
uint _amt = getUint(getId, amt);
bool _isEth = collateral == ethAddr;
address _collateralAddress = _isEth ? wethAddr : collateral;
IController controller = getController(_collateralAddress, controllerVersion);
TokenInterface stableCoin = TokenInterface(CRV_USD);
_amt = _amt == uint(-1) ? stableCoin.balanceOf(address(this)) : _amt;
approve(stableCoin, address(controller), _amt);
controller.repay(_amt);
setUint(setId, _amt);
_eventName = "LogRepay(address,uint256,uint256,uint256,uint256)";
_eventParam = abi.encode(collateral, amt, controllerVersion, getId, setId);
}
/**
* @dev Peform a bad liquidation (or self-liquidation) of user if health is not good
* @param collateral collateral token address
* @param minReceiveAmt Minimal amount of stablecoin to receive (to avoid liquidators being sandwiched)
* @param controllerVersion controller version.
* @param getId ID to retrieve amt.
* @param setId ID stores the amount of debt borrowed.
*/
function selfLiquidate(
address collateral,
uint256 minReceiveAmt,
uint256 controllerVersion,
uint256 getId,
uint256 setId
) external payable returns (string memory _eventName, bytes memory _eventParam) {
uint _minReceiveAmt = getUint(getId, minReceiveAmt);
bool _isEth = collateral == ethAddr;
address _collateralAddress = _isEth ? wethAddr : collateral;
IController controller = getController(_collateralAddress, controllerVersion);
TokenInterface stableCoin = TokenInterface(CRV_USD);
approve(stableCoin, address(controller), _minReceiveAmt);
controller.liquidate(address(this), _minReceiveAmt, _isEth);
setUint(setId, _minReceiveAmt);
_eventName = "LogLiquidate(address,uint256,uint256,uint256,uint256)";
_eventParam = abi.encode(collateral, _minReceiveAmt, controllerVersion, getId, setId);
}
}
contract ConnectV2CurveUSD is CurveUSDResolver {
string public constant name = "CurveUSD-v1.0";
}

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@ -39,7 +39,7 @@ const PRIVATE_KEY = process.env.PRIVATE_KEY;
const mnemonic = process.env.MNEMONIC ?? "test test test test test test test test test test test junk";
const networkGasPriceConfig: Record<string, number> = {
mainnet: 100,
mainnet: 37,
polygon: 50,
avalanche: 40,
arbitrum: 1,

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@ -76,7 +76,35 @@ export const tokens = {
aTokenAddress: "0xB9D7CB55f463405CDfBe4E90a6D2Df01C2B92BF1",
cTokenAddress: "0x35A18000230DA775CAc24873d00Ff85BccdeD550",
decimals: 18
}
},
crvusd: {
type: "token",
symbol: "crvUSD",
name: "Curve.Fi USD Stablecoin",
address: "0xf939E0A03FB07F59A73314E73794Be0E57ac1b4E",
decimals: 18
},
sfrxeth: {
type: "token",
symbol: "sfrxETH",
name: "Staked Frax Ether",
address: "0xac3E018457B222d93114458476f3E3416Abbe38F",
decimals: 18
},
wsteth: {
type: "token",
symbol: "wstETH",
name: "Wrapped liquid staked Ether 2.0",
address: "0x7f39C581F595B53c5cb19bD0b3f8dA6c935E2Ca0",
decimals: 18
},
wbtc: {
type: "token",
symbol: "WBTC",
name: "Wrapped BTC",
address: "0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599",
decimals: 8
},
};
export const dsaMaxValue = "115792089237316195423570985008687907853269984665640564039457584007913129639935";

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import { expect } from "chai";
import hre from "hardhat";
const { waffle, ethers } = hre;
const { provider, deployContract } = waffle;
import { Signer, Contract } from "ethers";
import { BigNumber } from "bignumber.js";
import { deployAndEnableConnector } from "../../../scripts/tests/deployAndEnableConnector";
import { buildDSAv2 } from "../../../scripts/tests/buildDSAv2";
import { encodeSpells } from "../../../scripts/tests/encodeSpells";
import { getMasterSigner } from "../../../scripts/tests/getMasterSigner";
import { addresses } from "../../../scripts/tests/mainnet/addresses";
import { tokens, dsaMaxValue } from "../../../scripts/tests/mainnet/tokens";
import { abis } from "../../../scripts/constant/abis";
import { constants } from "../../../scripts/constant/constant";
import { ConnectV2CurveUSD__factory, IERC20Minimal__factory } from "../../../typechain";
// import ABI_Ctr from "./ABI.json"
describe("CRV USD", function () {
const connectorName = "CRV_USD-TEST-A";
const market = "0xc3d688B66703497DAA19211EEdff47f25384cdc3";
const base = "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48";
const wst_whale = "0x78bB3aEC3d855431bd9289fD98dA13F9ebB7ef15";
const wethWhale = "0x78bB3aEC3d855431bd9289fD98dA13F9ebB7ef15";
const wethContract = new ethers.Contract(
tokens.weth.address,
IERC20Minimal__factory.abi,
ethers.provider
);
const baseContract = new ethers.Contract(
base,
IERC20Minimal__factory.abi,
ethers.provider
);
const linkContract = new ethers.Contract(
tokens.wbtc.address,
IERC20Minimal__factory.abi,
ethers.provider
);
const crvUSD = new ethers.Contract(
tokens.crvusd.address,
IERC20Minimal__factory.abi,
ethers.provider
);
const sfrxEth = new ethers.Contract(
tokens.sfrxeth.address,
IERC20Minimal__factory.abi,
ethers.provider
);
let dsaWallet0: any;
let dsaWallet1: any;
let dsaWallet2: any;
let dsaWallet3: any;
let wallet: any;
let dsa0Signer: any;
let masterSigner: Signer;
let instaConnectorsV2: Contract;
let connector: any;
let signer: any;
let sfrxSigner: any;
const wallets = provider.getWallets();
const [wallet0, wallet1, wallet2, wallet3] = wallets;
before(async () => {
await hre.network.provider.request({
method: "hardhat_reset",
params: [
{
forking: {
//@ts-ignore
jsonRpcUrl: hre.config.networks.hardhat.forking.url,
// blockNumber: 17811076
}
}
]
});
masterSigner = await getMasterSigner();
instaConnectorsV2 = await ethers.getContractAt(abis.core.connectorsV2, addresses.core.connectorsV2);
connector = await deployAndEnableConnector({
connectorName,
contractArtifact: ConnectV2CurveUSD__factory,
signer: masterSigner,
connectors: instaConnectorsV2
});
console.log("Connector address", connector.address);
await hre.network.provider.send("hardhat_setBalance", [wst_whale, ethers.utils.parseEther("10").toHexString()]);
await hre.network.provider.request({
method: "hardhat_impersonateAccount",
params: [wst_whale]
});
signer = await ethers.getSigner(wst_whale);
});
it("Should have contracts deployed.", async function () {
expect(!!instaConnectorsV2.address).to.be.true;
expect(!!connector.address).to.be.true;
expect(!!(await masterSigner.getAddress())).to.be.true;
});
describe("DSA wallet setup", function () {
it("Should build DSA v2", async function () {
dsaWallet0 = await buildDSAv2(wallet0.address);
expect(!!dsaWallet0.address).to.be.true;
dsaWallet1 = await buildDSAv2(wallet0.address);
expect(!!dsaWallet1.address).to.be.true;
dsaWallet2 = await buildDSAv2(wallet0.address);
expect(!!dsaWallet2.address).to.be.true;
dsaWallet3 = await buildDSAv2(wallet0.address);
expect(!!dsaWallet3.address).to.be.true;
wallet = await ethers.getSigner(dsaWallet0.address);
expect(!!dsaWallet1.address).to.be.true;
});
it("Deposit ETH into DSA wallet", async function () {
await hre.network.provider.request({
method: "hardhat_impersonateAccount",
params: [wallet.address]
});
dsa0Signer = await ethers.getSigner(wallet.address);
await wallet0.sendTransaction({
to: dsaWallet0.address,
value: ethers.utils.parseEther("10")
});
expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(ethers.utils.parseEther("10"));
await wallet0.sendTransaction({
to: dsaWallet1.address,
value: ethers.utils.parseEther("10")
});
expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(ethers.utils.parseEther("10"));
await wallet0.sendTransaction({
to: dsaWallet3.address,
value: ethers.utils.parseEther("10")
});
expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.gte(ethers.utils.parseEther("10"));
let txRes = await sfrxEth.connect(signer).transfer(dsaWallet0.address, ethers.utils.parseEther("10000"));
await txRes.wait();
txRes = await sfrxEth.connect(signer).transfer(dsaWallet1.address, ethers.utils.parseEther("1000"));
await txRes.wait();
txRes = await sfrxEth.connect(signer).transfer(dsaWallet2.address, ethers.utils.parseEther("1000"));
await txRes.wait();
});
});
describe("Main", function () {
//deposit asset
it("Create Loan", async function () {
const spells = [
{
connector: connectorName,
method: "createLoan",
args: [tokens.sfrxeth.address, ethers.utils.parseEther('1').toString(), ethers.utils.parseEther('1000'), "10", "1", "0", "0"]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await crvUSD.balanceOf(dsaWallet0.address)).to.be.eq(
ethers.utils.parseEther("1000")
);
});
it("add Collateral", async function () {
const balanceBefore = await sfrxEth.balanceOf(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "addCollateral",
args: [tokens.sfrxeth.address, ethers.utils.parseEther('1').toString(), "1", 0, 0]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await sfrxEth.balanceOf(dsaWallet0.address)).to.be.eq(
ethers.BigNumber.from(balanceBefore).sub(ethers.utils.parseEther('1'))
);
});
it("remove Collateral", async function () {
const balance = await sfrxEth.balanceOf(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "removeCollateral",
args: [tokens.sfrxeth.address, ethers.utils.parseEther('1').toString(), "1", 0, 0]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await sfrxEth.balanceOf(dsaWallet0.address)).to.be.eq(
ethers.BigNumber.from(balance).add(ethers.utils.parseEther('1'))
);
});
it("borrow more", async function () {
const balance = await crvUSD.balanceOf(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "borrowMore",
args: [tokens.sfrxeth.address, ethers.utils.parseEther('50'), "1", 0, 0]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await crvUSD.balanceOf(dsaWallet0.address)).to.be.eq(
ethers.BigNumber.from(balance).add(ethers.utils.parseEther('50'))
);
});
it("addCollateralAndBorrowMore with maximum value", async function () {
const balance = await crvUSD.balanceOf(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "addCollateralAndBorrowMore",
args: [tokens.sfrxeth.address, ethers.utils.parseEther('2'), dsaMaxValue, 1, 0, 0]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await crvUSD.balanceOf(dsaWallet0.address)).to.be.gt(
ethers.BigNumber.from(balance).add(ethers.utils.parseEther('100'))
);
});
it("Revert when loan exists", async function () {
const spells = [
{
connector: connectorName,
method: "createLoan",
args: [tokens.sfrxeth.address, ethers.utils.parseEther('1').toString(), dsaMaxValue, 10, "1", "0", "0"]
}
];
await expect(dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address)).to.be.revertedWith('Loan already created');
});
it("create loan with maximum debt", async function () {
const spells = [
{
connector: connectorName,
method: "createLoan",
args: [tokens.sfrxeth.address, ethers.utils.parseEther('1').toString(), dsaMaxValue, 10, "1", "0", "0"]
}
];
const tx = await dsaWallet1.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await crvUSD.balanceOf(dsaWallet1.address)).to.be.gt(
ethers.utils.parseEther("1000")
);
console.log("maximum debt amount: ", (await crvUSD.balanceOf(dsaWallet1.address)).toString() )
});
it("Repay loans", async function () {
const balance = await crvUSD.balanceOf(dsaWallet1.address)
const spells = [
{
connector: connectorName,
method: "repay",
args: [tokens.sfrxeth.address, ethers.utils.parseEther('100').toString(), "1", "0", "0"]
}
];
const tx = await dsaWallet1.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
expect(await crvUSD.balanceOf(dsaWallet1.address)).to.be.eq(
ethers.BigNumber.from(balance).sub(ethers.utils.parseEther('100'))
);
});
it("Repay loans with max value", async function () {
const balance = await crvUSD.balanceOf(dsaWallet1.address)
const spells = [
{
connector: connectorName,
method: "repay",
args: [tokens.sfrxeth.address, dsaMaxValue, "1", "0", "0"]
}
];
await dsaWallet1.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
expect(await crvUSD.balanceOf(dsaWallet1.address)).to.be.eq(0);
});
it("Create Loan with maximum collateral and maximum debt", async function () {
const spells = [
{
connector: connectorName,
method: "createLoan",
args: [tokens.sfrxeth.address, dsaMaxValue, dsaMaxValue, 10, "1", "0", "0"]
}
];
const tx = await dsaWallet2.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await crvUSD.balanceOf(dsaWallet2.address)).to.be.gt(
ethers.utils.parseEther("1000").toString()
);
expect(await sfrxEth.balanceOf(dsaWallet2.address)).to.be.eq(
'0'
);
console.log("maximum debt amount after maximum collateral: ", (await crvUSD.balanceOf(dsaWallet2.address)).toString() )
});
it("Create Loan with eth", async function () {
const balance = await ethers.provider.getBalance(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "createLoan",
args: [tokens.eth.address, ethers.utils.parseEther('2').toString(), dsaMaxValue, 10, "0", "0", "0"]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.eq(
ethers.BigNumber.from(balance).sub(ethers.utils.parseEther('2'))
);
console.log("maximum debt amount after create loan with 2 eth: ", (await crvUSD.balanceOf(dsaWallet0.address)).toString() )
});
it("add Collateral eth", async function () {
const balance = await ethers.provider.getBalance(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "addCollateral",
args: [tokens.eth.address, ethers.utils.parseEther('3').toString(), 0, 0, 0]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.eq(
ethers.BigNumber.from(balance).sub(ethers.utils.parseEther('3'))
);
});
it("remove Collateral eth", async function () {
const balance = await ethers.provider.getBalance(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "removeCollateral",
args: [tokens.eth.address, ethers.utils.parseEther('1').toString(), 0, 0, 0]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await ethers.provider.getBalance(dsaWallet0.address)).to.be.eq(
ethers.BigNumber.from(balance).add(ethers.utils.parseEther('1'))
);
});
it("borrow more", async function () {
const balance = await crvUSD.balanceOf(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "borrowMore",
args: [tokens.eth.address, ethers.utils.parseEther('10'), 0, 0, 0]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await crvUSD.balanceOf(dsaWallet0.address)).to.be.eq(
ethers.BigNumber.from(balance).add(ethers.utils.parseEther('10'))
);
});
it("borrow more", async function () {
const balance = await crvUSD.balanceOf(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "borrowMore",
args: [tokens.eth.address, dsaMaxValue, 0, 0, 0]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
await tx.wait();
expect(await crvUSD.balanceOf(dsaWallet0.address)).to.be.gt(
ethers.BigNumber.from(balance).add(ethers.utils.parseEther('1000'))
);
});
it("Repay loans", async function () {
const balance = await crvUSD.balanceOf(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "repay",
args: [tokens.eth.address, ethers.utils.parseEther('100').toString(), "0", "0", "0"]
}
];
const tx = await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
expect(await crvUSD.balanceOf(dsaWallet0.address)).to.be.eq(
ethers.BigNumber.from(balance).sub(ethers.utils.parseEther('100'))
);
});
it("Repay loans with max value", async function () {
const balance = await crvUSD.balanceOf(dsaWallet0.address)
const spells = [
{
connector: connectorName,
method: "repay",
args: [tokens.eth.address, dsaMaxValue, "0", "0", "0"]
}
];
await dsaWallet0.connect(wallet0).cast(...encodeSpells(spells), wallet1.address);
console.log("crv balance after repay with max value: ",await crvUSD.balanceOf(dsaWallet0.address))
});
});
});