Writeup

• initially, the Setup contract has 1050 ether
• create a new token with a total supply of 1,000,000
• create a uniswap pool with the new token and weth
• create a lender pool from the uniswap pool
• give lender contract 500,000 token
• give the uniswap pool 25 weth and 500 token as the initial liquidity
• deposits 25 weth into the lender contract
• borrows 250,000 tokens from the lender contract

Install

npm install

Testing

Live

Edit truffle-config.js then run the following

truffle test

Local

Edit truffle-config.js then run the following

ganache-cli -f https://mainnet.infura.io/v3/a84b538abf714818b3662cd1fcd7c530 -u "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2" -u "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f" -p 7545 --defaultBalanceEther 1000000

truffle test

truffle debug <tx_hash>

• c: continue to the error line
• n: next line
• t <tx_hash>
• T: unload current tx
• r: reset

Debug

• Error: Returned error: Returned error: project ID does not have access to archive state
  • Solution: restart local private blockchain
• If encountered "No source code found" in truffle debug, restart ganache and try everything again.

Support

Chat: https://gitter.im/ConsenSys/truffle