chainlink

Description

Change links and references in the docs to run an Ethereum node from parity to openethereum, and change these references in the code too.

Motivation

Currently, docs about running an Ethereum node states that you can use parity-ethereum, but the project is no longer maintained.

There's also lots of comments and b

Hi, Patrick

Can you please only leave the .env.example file and delete the .env one?
Us newbies might end up leaving our mneumonic exposed, because .gitignore does not ignore files that are already there on github.

Thanks for all the top-notch teaching.

https://www.npmjs.com/package/hardhat-contract-sizer

I am seeing that my local testing with ganche-cli is causing some issues connecting to the same network.

Repro steps:

1. Set the default network in the yanl file to ganache.
2. Install ganache-cli via npm. Start ganache-cli in one terminal tab.
3. Open a new terminal tab and add a ganache network. brownie networks add Ethereum ganache host=http://localhost:8545 chainid=1337.
4. Run

https://github.com/OpenZeppelin/damn-vulnerable-defi/tree/v1.0.0

OpenZepplin is probably the gold standard for security, and they made a list of challenges to sharpen your white hat hacking skills and spot vulnerable code.