feat(tools): update invalid blockchain fixture format

[spencer-tb]

🗒️ Description

Updates the format for invalid blocks in the default fixture. Currently evmone can't consume RLP. The PR provides an alternative way for them and others to consume invalid blocks generated by tests.

The new proposed invalid block format is the following:

 {
        "rlp":"0xf902b...0c0",
        "expectException": "invalid blob gas used",
        "rlp_decoded": {
            "blockHeader": {
                "parentHash": "0x7d74f162e144609e5911d1d2287ba394b141c7d460378f804cd527bb55c86489",
                "uncleHash": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
                "coinbase": "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
                "stateRoot": "0x0c2e33269bc55d3b8f4be9389c14fefd5ef2f48a0fef48af770ff0f9b4af7d8c",
                "transactionsTrie": "0xe06fbc15243fb14dc4e3a9918ecdc38e11b6d831d9625855e22273ae2e950041",
                "receiptTrie": "0x167497e0db677e533dde7e46c3f485c45662ceb46281d7073354e80b5a40f454",
                "bloom": "0x000...00",
                "difficulty": "0x00",
                "number": "0x01",
                "gasLimit": "0x016345785d8a0000",
                "gasUsed": "0xa861",
                "timestamp": "0x0c",
                "extraData": "0x",
                "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
                "nonce": "0x0000000000000000",
                "baseFeePerGas": "0x07",
                "withdrawalsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
                "blobGasUsed": "0x020000",
                "excessBlobGas": "0x040000",
                "parentBeaconBlockRoot": "0x00000000000000...0000000000000000",
                "hash": "0x11e37d4045ab376876077f0071e7ff1d9495e36b3193f45783a5c7c24d561e64"
            },
            "transactions": [...],
            "uncleHeaders": [],
            "withdrawals": []
        },
}

🔗 Related Issues

The new format was initially flagged here: ethereum/tests#1293.
Tagging @rodiazet and @winsvega.

✅ Checklist

• All: Set appropriate labels for the changes.
• All: Considered squashing commits to improve commit history.
• All: Added an entry to CHANGELOG.md.
• All: Considered updating the online docs in the ./docs/ directory.

[spencer-tb]

Tested with the geth t8n; after concerneds where addressed in the issue referenced above.

This was achieved by running evm blocktest on all invalid blocks.

[spencer-tb]

Note that #307 is rebased onto this PR.

[danceratopz]

LGTM, but would appreciate a second check from someone else.

[spencer-tb]

I've doubled checked this today - we don't need the blocknumber for the invalid block. Previously invalid blocks would go:

• valid_block has blocknumber=1
• invalid_block has no blocknumber=1
• valid_block has blocknumber=2

And hence duplicated the blocknumber. So removing it should not cause any issues in my opinion.

[danceratopz]

LGTM!