fix(types): ensure Environment fields have even byte length

[danceratopz]

🗒️ Description

These changes ensure that the fields from Environment passed to t8n have even byte length by setting their type to ZeroPaddedHexNumber. This is required by evmone-t8n.

This fix is taken verbatim from @winsvega's fix from #1263 for a quick merge to unblock #1244.

🔗 Related Issues

This became an issue after:

• Export int as hex for t8n env #1027

Should fix the issues with the "Evmone Coverage Script" workflow in:

• (feat) Additional precompile tests for blake2b, identity #1244

✅ Checklist

• All: Set appropriate labels for the changes.
• All: Considered squashing commits to improve commit history.
• All: Added an entry to CHANGELOG.md.

[chfast]

This is problem probably for difficulty because evmone don't treat the difficulty as a number. And almost all tests use value 0x20000. If it used value 0x2000 it would had been fine.

Anyway, we can correct it in evmone-t8n.

However, if you plan to depend on t8n tools from multiple projects long term you should create a t8n conformance test suite.

[danceratopz]

This is problem probably for difficulty because evmone don't treat the difficulty as a number. And almost all tests use value 0x20000. If it used value 0x2000 it would had been fine.

Yup, realised that :)

Anyway, we can correct it in evmone-t8n.

Thanks @chfast, if we can address it here, there's no need to change it here in evmone-t8n.

However, if you plan to depend on t8n tools from multiple projects long term you should create a t8n conformance test suite.

Yup, we're going to add this.

[marioevz]

LGTM, thanks!