Setting up Metamask

The RPC node must be running.

Creating a custom RPC

1. Select "Add Network".

2. Choose a name for the RPC.

3. Fill-in the url field with the url of the node.

4. Fill-in the chainId field with the chainId of your node.

Hardhat default url is http://127.0.0.1:8545/

Hardhat default chainId is 31337