feat(tests): add eip-2929 precompile address warming tests

[danceratopz]

🗒️ Description

Idea from @jochem-brouwer - thanks! Please check whether this test is doing what you intended.

Call BALANCE of a precompile address before and after a fork.

According to EIP-2929, when a transaction begins, accessed_addresses is initialized to include:

• tx.sender, tx.to
• and the set of all precompiles

This test verifies that:

1. Precompiles that exist in the predecessor fork are always "warm" (lower gas cost)
2. New precompiles added in a fork are "cold" before the fork and become "warm" after

These would perhaps be better as state tests. Feel free to close and implement a better suggestion, but happy for any feedback if you have time!

Also, this test should live in tests/paris, not tests/frontier, as they're only valid for EIP-2929, but it seemed silly to separate them from the other precompile generator tests.

The test uses a generator; it generates these tests:

fill --fork CancunToPragueAtTime15k tests/frontier/precompiles/test_precompiles.py -k test_precompile_warming --collect-only -q -m blockchain_test
 pytest-regex selected 37 tests to run for regex: .*
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0xb-exists_in_predecessor_False-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0xc-exists_in_predecessor_False-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0xd-exists_in_predecessor_False-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0xe-exists_in_predecessor_False-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0xf-exists_in_predecessor_False-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x10-exists_in_predecessor_False-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x11-exists_in_predecessor_False-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0xa-exists_in_predecessor_True-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x9-exists_in_predecessor_True-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x5-exists_in_predecessor_True-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x6-exists_in_predecessor_True-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x7-exists_in_predecessor_True-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x8-exists_in_predecessor_True-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x1-exists_in_predecessor_True-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x2-exists_in_predecessor_True-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x3-exists_in_predecessor_True-blockchain_test]
tests/frontier/precompiles/test_precompiles.py::test_precompile_warming[fork_CancunToPragueAtTime15k-address_0x4-exists_in_predecessor_True-blockchain_test]

🔗 Related Issues

None

✅ Checklist

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

[jochem-brouwer]

This is a great start, some comments, because this mainly misses also checking that addresses which could have been precompiles in the past are now "normal" addresses (so should be cold)

[marioevz]

Some comments but overall looks great!

[spencer-tb]

LGTM from myside! I moved the test to Berlin btw, where 2929 was introduced, like we do with the other tests.

[marioevz]

Created an issue in evmone's repo for the CI failure: ethereum/evmone#1210

We should be able to merge despite of this failure.

[felix314159]

from_bytes requires two arguments, I had to change this line to:
highest_precompile: int = int.from_bytes(max(all_precompiles), sys.byteorder)
and import sys to make it work.

[spencer-tb]

when you say make it work you mean fill?

[felix314159]

Just having the file opened in an editor shows the problem. But now I know it depends on which Python version you use:
python 3.11 -> optional parameter
python 3.10 -> mandatory parameter

So I think it would be good if we find an exact Python version we enforce in EEST (everyone uses the exact same) to avoid stuff like this in the future.

[spencer-tb]

#1516

created an issue for discussion on enforcing the python version.