feat: use checksummed address over normalized

[antazoey]

What was wrong?

Use checksummed address instead of normalized

How was it fixed?

Change the decoding method used

To-Do

• [ ] Clean up commit history

• [ ] Add entry to the release notes

Cute Animal Picture

[charles-cooper]

bumping this. @unparalleled-js can this be promoted to ready for review?

[charles-cooper]

maybe a good API is like eth-stdlib: https://github.com/skellet0r/eth-stdlib/blob/d66f458bdcb2f74358cb9f55aed6365db00cd876/src/eth/codecs/abi/init.py#L48