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* private -> public * keeper * compute lib * remove claim from sellrewards * deploy * fix tests * update flashloan max liquidity index * deploy cost * optimizer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| /* eslint-disable camelcase */ | ||
| import { ethers, network } from 'hardhat'; | ||
| import { utils, constants, BigNumber } from 'ethers'; | ||
| import { ILendingPool__factory, ILendingPool, ERC20, ERC20__factory } from '../typechain'; | ||
|
|
||
| export const logBN = (amount: BigNumber, { base = 6, pad = 20, sign = false } = {}) => { | ||
| const num = parseFloat(utils.formatUnits(amount, base)); | ||
| const formattedNum = new Intl.NumberFormat('fr-FR', { | ||
| style: 'decimal', | ||
| maximumFractionDigits: 4, | ||
| minimumFractionDigits: 4, | ||
| signDisplay: sign ? 'always' : 'never', | ||
| }).format(num); | ||
| return formattedNum.padStart(pad, ' '); | ||
| }; | ||
|
|
||
| async function main() { | ||
| const USDC = '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48'; | ||
|
|
||
| const wantToken = (await ethers.getContractAt(ERC20__factory.abi, USDC)) as ERC20; | ||
| const aToken = (await ethers.getContractAt( | ||
| ERC20__factory.abi, | ||
| '0xBcca60bB61934080951369a648Fb03DF4F96263C', | ||
| )) as ERC20; | ||
|
|
||
| const lendingPool = (await ethers.getContractAt( | ||
| ILendingPool__factory.abi, | ||
| '0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9', | ||
| )) as ILendingPool; | ||
|
|
||
| await network.provider.request({ | ||
| method: 'hardhat_impersonateAccount', | ||
| params: ['0x6262998Ced04146fA42253a5C0AF90CA02dfd2A3'], | ||
| }); | ||
| const richUSDCUser = await ethers.getSigner('0x6262998Ced04146fA42253a5C0AF90CA02dfd2A3'); | ||
| await wantToken.connect(richUSDCUser).approve(lendingPool.address, constants.MaxUint256); | ||
| await aToken.connect(richUSDCUser).approve(lendingPool.address, constants.MaxUint256); | ||
|
|
||
| // === HELPERS === | ||
| const randomDeposit = async () => { | ||
| const min = 20_000_000; | ||
| const max = 100_000_000; | ||
| const amount = utils.parseUnits(Math.floor(Math.random() * (max - min + 1) + min).toString(), 6); | ||
| console.log(`user depositing... ${logBN(amount)}`); | ||
| await lendingPool.connect(richUSDCUser).deposit(USDC, amount, richUSDCUser.address, 0); | ||
| }; | ||
| const randomWithdraw = async () => { | ||
| const min = 5_000_000; | ||
| const max = 30_000_000; | ||
| let amount = utils.parseUnits(Math.floor(Math.random() * (max - min + 1) + min).toString(), 6); | ||
| const maxAmount = await aToken.balanceOf(richUSDCUser.address); | ||
| if (amount.gt(maxAmount)) { | ||
| amount = maxAmount; | ||
| } | ||
| console.log(`user withdrawing... ${logBN(amount)} (max: ${logBN(maxAmount)})`); | ||
| await lendingPool.connect(richUSDCUser).withdraw(USDC, amount, richUSDCUser.address); | ||
| }; | ||
|
|
||
| await randomDeposit(); | ||
| await wait(); | ||
|
|
||
| for (let i = 0; i < 8; i++) { | ||
| if (Math.random() < 0.7) await randomDeposit(); | ||
| else await randomWithdraw(); | ||
| await wait(); | ||
| } | ||
| console.log('current user deposits: ', logBN(await aToken.balanceOf(richUSDCUser.address))); | ||
| } | ||
|
|
||
| const wait = (n = 10000) => { | ||
| return new Promise(resolve => { | ||
| setTimeout(() => { | ||
| resolve('ok'); | ||
| }, n); | ||
| }); | ||
| }; | ||
|
|
||
| main(); |
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