/CTEWFL-pancakeSwapV2-triangular-arbitrage

Primary LanguageSolidity

Flash Loan - PancaakeSwap V2 Triangular Arbitrage

This project demonstrates PancaakeSwap V2 Triangular Arbitrage

Configuring Hardhat

run:

git clone <repository_url>
cd <repository_directory>
npm ci
npx hardhat

create files ./contracts/FlashSwap.sol, ./test/tester.js, ./scripts/deploy.js create folers ./contracts/interfaces, ./contracts/libraries, ./utils and files in them edit file hardhat.config.js, add solidity compilers in diffrent versions, add some networks

Testing Hardhat Changes are Working

edit files ./contracts/FlashSwap.sol,./scripts/deploy.js, ./test/tester.js run:

npx hardhat test
npx hardhat node
npx hardhat clean

About Interfaces and Libraries

edit file ./contracts/FlashSwap.sol

State Variables and Basic Functions

edit file ./contracts/FlashSwap.sol

Start Arbitrage Function Calling Flash Loan

edit file ./contracts/FlashSwap.sol, add startArbitrage funciton

Paying Back Our Loan

edit file ./contracts/FlashSwap.sol, edit pancakeCall funciton run:

npx hardhat compile
npx hardhat clean

Structuring Javascript Variables

edit file ./test/tester

Funding Our Smart Contract In Before Each

edit file ./test/tester run:

npx hardhat test

Checking Smart Contract is Funded

edit file ./test/tester run:

npx hardhat test

Testing Our Loan and Payback Is Working

edit file ./test/tester run:

source .env
npx hardhat node --fork ${RPC_MAINNET}
npx hardhat test --network localhost
npx hardhat test --network hardhat
npx hardhat test

Add some scripts in ./scripts folder

npx hardhat run scripts/deploy.js --network yourNetwork
npx hardhat run scripts/fundContract.js --network yourNetwork
npx hardhat run scripts/startArbitrage.js --network yourNetwork

Writing Our Trading Function

edit file ./contracts/FlashSwap.sol

Placing Our First Trade

edit file ./contracts/FlashSwap.sol note: Now, I've not found any arbitrage opportunities. We're doing this with some dummy coins here, we're basically just picking some random tokens here and doing an arbitrage.

npx hardhat test

Completing Our Arbitrage Trade

edit file ./contracts/FlashSwap.sol

npx hardhat test

Encoding Your Address

edit file ./contracts/FlashSwap.sol

npx hardhat test

Paying Ourselves the Profit and Cleaning Up

edit file ./contracts/FlashSwap.sol

npx hardhat test

Deployment Dummy Run

npx hardhat test
npx hardhat run scripts/deploy.js --network testnet