First rename the .env.example file in this directory to .env. Replace the API keys as needed.
After adding your api keys, run the following command from your terminal.
source .envThis command allows brownie config to access your environment variables.
Run the following command to get token balances for all aave tokens in your account.
brownie run scripts/aave/aave_balances.pyOutput:
Brownie v1.19.1 - Python development framework for Ethereum
RushProject is the active project.
Running 'scripts/aave/aave_balances.py::main'...
Tokens in Account
====================================================================================================
index Token Name balance address
0 AAVE 100000000000000000000 0x63242B9Bd3C22f18706d5c4E627B4735973f1f07
1 DAI 10000000000000000000000 0xDF1742fE5b0bFc12331D8EAec6b478DfDbD31464
2 LINK 1000000000000000000000 0x07C725d58437504CA5f814AE406e70E21C5e8e9e
3 EURS 1000000 0xaA63E0C86b531E2eDFE9F91F6436dF20C301963D
4 USDC 10000000000 0xA2025B15a1757311bfD68cb14eaeFCc237AF5b43
5 USDT 10000000000 0xC2C527C0CACF457746Bd31B2a698Fe89de2b6d49
6 WETH 0 0x2e3A2fb8473316A02b8A297B982498E661E1f6f5
7 WBTC 200000000 0x8869DFd060c682675c2A8aE5B21F2cF738A0E3CE
Interest aTokens in Account
====================================================================================================
index Token Name balance address
0 aAAVE 0 0xC4bf7684e627ee069e9873B70dD0a8a1241bf72c
1 aDAI 0 0x310839bE20Fc6a8A89f33A59C7D5fC651365068f
2 aLINK 0 0x6A639d29454287B3cBB632Aa9f93bfB89E3fd18f
3 aEURS 0 0xc31E63CB07209DFD2c7Edb3FB385331be2a17209
4 aUSDC 0 0x1Ee669290939f8a8864497Af3BC83728715265FF
5 aUSDT 0 0x73258E6fb96ecAc8a979826d503B45803a382d68
6 aWETH 0 0x27B4692C93959048833f40702b22FE3578E77759
7 aWBTC 200000000 0xc0ac343EA11A8D05AAC3c5186850A659dD40B81B
Stable Debt Tokens in Account
====================================================================================================
index Token Name balance address
0 stableDebtAAVE 0 0x4a8aF512B73Fd896C8877cE0Ebed19b0a11B593C
1 stableDebtDAI 0 0xbaBd1C3912713d598CA2E6DE3303fC59b19d0B0F
2 stableDebtLINK 0 0x4f094AB301C8787F0d06753CA3238bfA9CFB9c91
3 stableDebtEURS 0 0x512ad2D2fb3Bef82ca0A15d4dE6544246e2D32c7
4 stableDebtUSDC 0 0xF04958AeA8b7F24Db19772f84d7c2aC801D9Cf8b
5 stableDebtUSDT 0 0x7720C270Fa5d8234f0DFfd2523C64FdeB333Fa50
6 stableDebtWBTC 0 0x15FF4188463c69FD18Ea39F68A0C9B730E23dE81
7 stableDebtWETH 0 0xCAF956bD3B3113Db89C0584Ef3B562153faB87D5
Variable Debt Tokens in Account
====================================================================================================
index Token Name balance address
0 variableDebtAAVE 0 0xad958444c255a71C659f7c30e18AFafdE910EB5a
1 variableDebtDAI 0 0xEa5A7CB3BDF6b2A8541bd50aFF270453F1505A72
2 variableDebtLINK 0 0x593D1bB0b6052FB6c3423C42FA62275b3D95a943
3 variableDebtEURS 0 0x257b4a23b3026E04790c39fD3Edd7101E5F31192
4 variableDebtUSDC 0 0x3e491EB1A98cD42F9BBa388076Fd7a74B3470CA0
5 variableDebtUSDT 0 0x45c3965f6FAbf2fB04e3FE019853813B2B7cC3A3
6 variableDebtWBTC 0 0x480B8b39d1465b8049fbf03b8E0a072Ab7C9A422
7 variableDebtWETH 206270138356159747 0x2b848bA14583fA79519Ee71E7038D0d1061cd0F1If you set up your .env you should see this from your terminal.
Keep in mind that all the scripts you will be running for this demo are found in /scripts/aave directory. Read through them to see what they are doing.
The following script will deploy two flashloan contracts. One will be used to flashloan one token at a time SimpleFlashLoan, the other will be used to combine multiple tokens in one flashloan transaction FlashLoan.
brownie run scripts/aave/deploy_flashloan.pyOuput:
Brownie v1.19.1 - Python development framework for Ethereum
RushProject is the active project.
Running 'scripts/aave/deploy_flashloan.py::main'...
Deploying Simple Rush flashloan receiver contract ...
===============================================
Transaction sent: 0x0a39f260819c1e3a9d71010ccc64ba9bddc4f2d677d0d94b67c5fac9939cb520
Gas price: 36.756769064 gwei Gas limit: 541641 Nonce: 90
FlashLoan.constructor confirmed Block: 8282174 Gas used: 492401 (90.91%)
FlashLoan deployed at: 0xD86bF68ADaf5C6389F1e7379700B01217f3f8129
View contract on Optimism Goerli: https://goerli.etherscan.io/address/0xD86bF68ADaf5C6389F1e7379700B01217f3f8129
Transaction was Mined
---------------------
Tx Hash: 0x0a39f260819c1e3a9d71010ccc64ba9bddc4f2d677d0d94b67c5fac9939cb520
From: 0xFE948CB2122FDD87bAf43dCe8aFa254B1242c199
New FlashLoan address: 0xD86bF68ADaf5C6389F1e7379700B01217f3f8129
Block: 8282174
Gas Used: 492401 / 541641 (90.9%)Checout out this transaction. After you deploy your contracts, you are ready to submit transactions. The flashloan contracts will receive and repay your loan. Here's an example:
Run command on terminal.
brownie run scripts/aave/simple_flashloan.pyOutput:
Brownie v1.19.1 - Python development framework for Ethereum
RushProject is the active project.
Running 'scripts/aave/simple_flashloan.py::main'...
Transaction sent: 0xe0298379f63293c6bb8ec2bfbd147684c3c73087e5ede19eb7409bcd844fcabb
Gas price: 33.986319221 gwei Gas limit: 37951 Nonce: 93
MintableERC20.transfer confirmed Block: 8282256 Gas used: 34501 (90.91%)
Transaction sent: 0x58180124eadc669c23c0cfa28053e0c79496b48713f0f160734710ace2b92577
Gas price: 32.188179381 gwei Gas limit: 209116 Nonce: 94
Transaction confirmed Block: 8282267 Gas used: 165364 (79.08%)
Congrats! You have flipped a flashloan. Check it out! https://goerli.etherscan.io/tx/0x58180124eadc669c23c0cfa28053e0c79496b48713f0f160734710ace2b92577Brownie has a simple way to quickly instantly verify your contract on etherscan. Run the following command.
>>> contract = RushFlashLoan.at("0x9db7BcB878E9b3eFDf8FAfcfbbF11a54d80f089c")
>>> contract
<RushFlashLoan Contract '0x9db7BcB878E9b3eFDf8FAfcfbbF11a54d80f089c'>
>>> RushFlashLoan.publish_source(contract)
Verification submitted successfully. Waiting for result...
Verification complete. Result: Pass - Verified
TrueHere the flashloan contract is requesting 1M from the pool provider.
from brownie import accounts, config, network, interface, RushSimpleFlashLoan
from scripts.aave.helper_functions import get_address_provider, get_token, get_account
tx_url = "https://goerli.etherscan.io/tx/{}"
pool = interface.IPool(get_address_provider().getPool())
flashloan_receiver = RushSimpleFlashLoan[len(RushSimpleFlashLoan) -1]
usdc = get_token("USDC")
usdc_amount = 1_000_000 * 10** usdc.decimals()
def run_flashloan():
dev = get_account()
receiver = flashloan_receiver.address
assets = usdc.address
amount = usdc_amount
# 'flashLoanSimple': "0x42b0b77c"
params = "0x42b0b77c"
referral = 0
tx = pool.flashLoanSimple(receiver, assets, amount, params, referral, {"from": dev})If you run this command, you can flashloan over 100M+ in tokens. Checkout this transaction.
brownie run scripts/aave/multi_flashloan.pyBrownie v1.19.1 - Python development framework for Ethereum
RushProject is the active project.
Running 'scripts/aave/multi_flashloan.py::main'...
Transaction sent: 0x310974980351e66748421d1ef01b3d940202090525a99630e03150cb9aeae859
Gas price: 4.924637698 gwei Gas limit: 1578971 Nonce: 83
Transaction confirmed Block: 8265853 Gas used: 1113994 (70.55%)
Transaction confirmed Block: 8265853 Gas used: 1113994 (70.55%)
Congrats! You have flipped a flashloan. Check it out! https://goerli.etherscan.io/tx/0x310974980351e66748421d1ef01b3d940202090525a99630e03150cb9aeae859Go to /scripts/aave/multi_flashloan.py and adjust token amounts. Try it out or yourself.
If you want to support me, you can. I accept ETH. Currently struggling to find a job.
ETH: msaki.eth 0x04655832bcb0a9a0be8c5ab71e4d311464c97af5
BTC: bc1qafvljh25wxd7ser9vsawzm95aaju883r9twd0p
DOGE: D5y6zYKN4WsWCr4YmnKhAFqCCFC31AN3We
| I should warn you. You will not make any profits from using flashloans in the current state on this repo.