mirror of
https://github.com/Instadapp/dsa-connectors.git
synced 2024-07-29 22:37:00 +00:00
345 lines
8.8 KiB
JavaScript
345 lines
8.8 KiB
JavaScript
const hre = require("hardhat");
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const hardhatConfig = require("../../hardhat.config");
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// Instadapp deployment and testing helpers
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const deployAndEnableConnector = require("../../scripts/deployAndEnableConnector.js");
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const encodeSpells = require("../../scripts/encodeSpells.js");
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const getMasterSigner = require("../../scripts/getMasterSigner");
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const buildDSAv2 = require("../../scripts/buildDSAv2");
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// Instadapp instadappAddresses/ABIs
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const instadappAddresses = require("../../scripts/constant/addresses");
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const instadappAbi = require("../../scripts/constant/abis");
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// Instadapp Liquity Connector artifacts
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const connectV2LiquityArtifacts = require("../../artifacts/contracts/mainnet/connectors/liquity/main.sol/ConnectV2Liquity.json");
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const connectV2BasicV1Artifacts = require("../../artifacts/contracts/mainnet/connectors/basic/main.sol/ConnectV2Basic.json");
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const { ethers } = require("hardhat");
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// Instadapp uses a fake address to represent native ETH
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const { eth_addr: ETH_ADDRESS } = require("../../scripts/constant/constant");
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const LIQUITY_CONNECTOR = "LIQUITY-v1-TEST";
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const LUSD_GAS_COMPENSATION = hre.ethers.utils.parseUnits("200", 18); // 200 LUSD gas compensation repaid after loan repayment
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const LIQUIDATABLE_TROVES_BLOCK_NUMBER = 12478159; // Deterministic block number for tests to run against, if you change this, tests will break.
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const JUSTIN_SUN_ADDRESS = "0x903d12bf2c57a29f32365917c706ce0e1a84cce3"; // LQTY whale address
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const LIQUIDATABLE_TROVE_ADDRESS = "0xafbeb4cb97f3b08ec2fe07ef0dac15d37013a347"; // Trove which is liquidatable at blockNumber: LIQUIDATABLE_TROVES_BLOCK_NUMBER
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const MAX_GAS = hardhatConfig.networks.hardhat.blockGasLimit; // Maximum gas limit (12000000)
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const INSTADAPP_BASIC_V1_CONNECTOR = "Basic-v1";
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const openTroveSpell = async (
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dsa,
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signer,
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depositAmount,
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borrowAmount,
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upperHint,
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lowerHint,
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maxFeePercentage
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) => {
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let address = signer.address;
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if (signer.address === undefined) {
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address = await signer.getAddress();
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}
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const openTroveSpell = {
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connector: LIQUITY_CONNECTOR,
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method: "open",
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args: [
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depositAmount,
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maxFeePercentage,
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borrowAmount,
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upperHint,
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lowerHint,
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[0, 0],
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[0, 0],
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],
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};
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return await dsa
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.connect(signer)
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.cast(...encodeSpells([openTroveSpell]), address, {
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value: depositAmount,
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});
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};
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const createDsaTrove = async (
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dsa,
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signer,
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liquity,
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depositAmount = hre.ethers.utils.parseEther("5"),
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borrowAmount = hre.ethers.utils.parseUnits("2000", 18)
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) => {
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const maxFeePercentage = hre.ethers.utils.parseUnits("0.5", 18); // 0.5% max fee
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const { upperHint, lowerHint } = await getTroveInsertionHints(
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depositAmount,
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borrowAmount,
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liquity
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);
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return await openTroveSpell(
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dsa,
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signer,
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depositAmount,
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borrowAmount,
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upperHint,
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lowerHint,
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maxFeePercentage
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);
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};
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const sendToken = async (token, amount, from, to) => {
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await hre.network.provider.request({
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method: "hardhat_impersonateAccount",
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params: [from],
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});
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const signer = await hre.ethers.provider.getSigner(from);
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return await token.connect(signer).transfer(to, amount, {
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gasPrice: 0,
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});
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};
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const resetInitialState = async (walletAddress, contracts, isDebug = false) => {
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const liquity = await deployAndConnect(contracts, isDebug);
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const dsa = await buildDSAv2(walletAddress);
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return [liquity, dsa];
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};
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const resetHardhatBlockNumber = async (blockNumber) => {
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return await hre.network.provider.request({
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method: "hardhat_reset",
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params: [
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{
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forking: {
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jsonRpcUrl: hardhatConfig.networks.hardhat.forking.url,
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blockNumber,
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},
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},
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],
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});
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};
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const deployAndConnect = async (contracts, isDebug = false) => {
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// Pin Liquity tests to a particular block number to create deterministic state (Ether price etc.)
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await resetHardhatBlockNumber(LIQUIDATABLE_TROVES_BLOCK_NUMBER);
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const liquity = {
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troveManager: null,
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borrowerOperations: null,
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stabilityPool: null,
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lusdToken: null,
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lqtyToken: null,
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activePool: null,
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priceFeed: null,
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hintHelpers: null,
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sortedTroves: null,
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staking: null,
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collSurplus: null,
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};
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const masterSigner = await getMasterSigner();
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const instaConnectorsV2 = await ethers.getContractAt(
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instadappAbi.core.connectorsV2,
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instadappAddresses.core.connectorsV2
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);
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const connector = await deployAndEnableConnector({
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connectorName: LIQUITY_CONNECTOR,
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contractArtifact: connectV2LiquityArtifacts,
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signer: masterSigner,
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connectors: instaConnectorsV2,
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});
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isDebug &&
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console.log(`${LIQUITY_CONNECTOR} Connector address`, connector.address);
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const basicConnector = await deployAndEnableConnector({
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connectorName: "Basic-v1",
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contractArtifact: connectV2BasicV1Artifacts,
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signer: masterSigner,
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connectors: instaConnectorsV2,
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});
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isDebug && console.log("Basic-v1 Connector address", basicConnector.address);
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liquity.troveManager = new ethers.Contract(
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contracts.TROVE_MANAGER_ADDRESS,
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contracts.TROVE_MANAGER_ABI,
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ethers.provider
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);
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liquity.borrowerOperations = new ethers.Contract(
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contracts.BORROWER_OPERATIONS_ADDRESS,
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contracts.BORROWER_OPERATIONS_ABI,
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ethers.provider
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);
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liquity.stabilityPool = new ethers.Contract(
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contracts.STABILITY_POOL_ADDRESS,
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contracts.STABILITY_POOL_ABI,
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ethers.provider
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);
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liquity.lusdToken = new ethers.Contract(
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contracts.LUSD_TOKEN_ADDRESS,
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contracts.LUSD_TOKEN_ABI,
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ethers.provider
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);
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liquity.lqtyToken = new ethers.Contract(
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contracts.LQTY_TOKEN_ADDRESS,
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contracts.LQTY_TOKEN_ABI,
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ethers.provider
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);
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liquity.activePool = new ethers.Contract(
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contracts.ACTIVE_POOL_ADDRESS,
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contracts.ACTIVE_POOL_ABI,
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ethers.provider
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);
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liquity.priceFeed = new ethers.Contract(
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contracts.PRICE_FEED_ADDRESS,
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contracts.PRICE_FEED_ABI,
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ethers.provider
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);
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liquity.hintHelpers = new ethers.Contract(
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contracts.HINT_HELPERS_ADDRESS,
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contracts.HINT_HELPERS_ABI,
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ethers.provider
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);
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liquity.sortedTroves = new ethers.Contract(
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contracts.SORTED_TROVES_ADDRESS,
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contracts.SORTED_TROVES_ABI,
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ethers.provider
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);
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liquity.staking = new ethers.Contract(
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contracts.STAKING_ADDRESS,
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contracts.STAKING_ABI,
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ethers.provider
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);
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liquity.collSurplus = new ethers.Contract(
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contracts.COLL_SURPLUS_ADDRESS,
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contracts.COLL_SURPLUS_ABI,
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ethers.provider
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);
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return liquity;
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};
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const getTroveInsertionHints = async (depositAmount, borrowAmount, liquity) => {
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const nominalCR = await liquity.hintHelpers.computeNominalCR(
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depositAmount,
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borrowAmount
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);
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const {
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hintAddress,
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latestRandomSeed,
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} = await liquity.hintHelpers.getApproxHint(nominalCR, 50, 1298379, {
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gasLimit: MAX_GAS,
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});
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randomSeed = latestRandomSeed;
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const {
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0: upperHint,
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1: lowerHint,
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} = await liquity.sortedTroves.findInsertPosition(
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nominalCR,
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hintAddress,
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hintAddress,
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{
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gasLimit: MAX_GAS,
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}
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);
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return {
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upperHint,
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lowerHint,
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};
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};
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let randomSeed = 4223;
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const getRedemptionHints = async (amount, liquity) => {
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const ethPrice = await liquity.priceFeed.callStatic.fetchPrice();
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const [
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firstRedemptionHint,
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partialRedemptionHintNicr,
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] = await liquity.hintHelpers.getRedemptionHints(amount, ethPrice, 0);
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const {
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hintAddress,
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latestRandomSeed,
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} = await liquity.hintHelpers.getApproxHint(
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partialRedemptionHintNicr,
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50,
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randomSeed,
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{
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gasLimit: MAX_GAS,
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}
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);
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randomSeed = latestRandomSeed;
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const {
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0: upperHint,
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1: lowerHint,
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} = await liquity.sortedTroves.findInsertPosition(
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partialRedemptionHintNicr,
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hintAddress,
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hintAddress,
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{
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gasLimit: MAX_GAS,
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}
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);
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return {
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partialRedemptionHintNicr,
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firstRedemptionHint,
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upperHint,
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lowerHint,
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};
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};
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const redeem = async (amount, from, wallet, liquity) => {
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await sendToken(liquity.lusdToken, amount, from, wallet.address);
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const {
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partialRedemptionHintNicr,
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firstRedemptionHint,
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upperHint,
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lowerHint,
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} = await getRedemptionHints(amount, liquity);
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const maxFeePercentage = ethers.utils.parseUnits("0.5", 18); // 0.5% max fee
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return await liquity.troveManager
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.connect(wallet)
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.redeemCollateral(
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amount,
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firstRedemptionHint,
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upperHint,
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lowerHint,
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partialRedemptionHintNicr,
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0,
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maxFeePercentage,
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{
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gasLimit: MAX_GAS, // permit max gas
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}
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);
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};
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module.exports = {
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deployAndConnect,
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resetInitialState,
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createDsaTrove,
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sendToken,
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getTroveInsertionHints,
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getRedemptionHints,
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redeem,
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LIQUITY_CONNECTOR,
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LUSD_GAS_COMPENSATION,
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JUSTIN_SUN_ADDRESS,
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LIQUIDATABLE_TROVE_ADDRESS,
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MAX_GAS,
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INSTADAPP_BASIC_V1_CONNECTOR,
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ETH_ADDRESS,
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};
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