When I tried the example, I got an error. It looks like mainnet.infura.io needs a project ID and It's a little unfriendly for beginners. I changed the default gateway address to one available out of the box.
403 Forbidden {"jsonrpc":"2.0","id":1,"error":{"code":-32600,"message":"project ID is required","data":{"reason":"project ID not provided","see":"https://infura.io/dashboard"}}}
When I tried the example, I got an error. It looks like
mainnet.infura.io
needs a project ID and It's a little unfriendly for beginners. I changed the default gateway address to one available out of the box.