added draft test of trying out a modified withdrawal contract that allows 18 withdrawals per block

Author: felix314159

tests/prague/eip7685_general_purpose_el_requests/test_modified_withdrawal_contract.py

@@ -0,0 +1,97 @@
+"""
+abstract: Tests [EIP-7685: General purpose execution layer requests](https://eips.ethereum.org/EIPS/eip-7685)
+    Cross testing for withdrawal and deposit request for [EIP-7685: General purpose execution layer requests](https://eips.ethereum.org/EIPS/eip-7685).
+
+"""  # noqa: E501
+
+import pytest
+
+from ethereum_test_tools import (
+    Account,
+    Alloc,
+    Block,
+    BlockchainTestFiller,
+    Header,
+    Transaction,
+)
+from ethereum_test_types import Requests
+from ethereum_test_types.types import EOA
+from tests.prague.eip7685_general_purpose_el_requests.test_multi_type_requests import (
+    single_withdrawal_from_contract,
+    single_withdrawal_from_eoa,
+)
+
+from ..eip7002_el_triggerable_withdrawals.helpers import (
+    WithdrawalRequestContract,
+)
+from ..eip7002_el_triggerable_withdrawals.spec import Spec as Spec_EIP7002
+from .spec import ref_spec_7685
+
+REFERENCE_SPEC_GIT_PATH: str = ref_spec_7685.git_path
+REFERENCE_SPEC_VERSION: str = ref_spec_7685.version
+
+
+@pytest.mark.parametrize(
+    "requests",
+    [
+        # create 18 withdrawal contract requests (usually 16 is max, but modified_code dequeues 18)
+        [
+            single_withdrawal_from_contract(i)
+            for i in range(
+                0,
+                18,
+            )
+        ],
+        # create 18 withdrawal requests
+        [
+            single_withdrawal_from_eoa(i)
+            for i in range(
+                0,
+                18,
+            )
+        ],
+    ],
+)
+def test_extra_withdrawals(
+    blockchain_test: BlockchainTestFiller,
+    pre: Alloc,
+    requests: WithdrawalRequestContract,
+):
+    """Test how clients were to behave when more than 16 withdrawals would be allowed per block."""
+    modified_code: bytes = b"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"  # noqa: E501
+    pre[Spec_EIP7002.WITHDRAWAL_REQUEST_PREDEPLOY_ADDRESS] = Account(
+        code=modified_code,
+        nonce=1,
+        balance=0,
+    )
+
+    sender: EOA = pre.fund_eoa()
+    tx: Transaction = Transaction(
+        to=Spec_EIP7002.WITHDRAWAL_REQUEST_PREDEPLOY_ADDRESS,
+        sender=sender,
+        gas_limit=100_000,
+    )
+
+    blockchain_test(
+        pre=pre,
+        blocks=[
+            Block(
+                txs=[tx],
+                # header_verify=Header(
+                # requests_hash=Requests(
+                #     *[
+                #         request.with_source_address(
+                #             Spec_EIP7002.WITHDRAWAL_REQUEST_PREDEPLOY_SENDER
+                #         )
+                #         for request in sorted(requests, key=lambda r: r.type)
+                #     ],
+                # )
+                #
+                # requests_hash=requests,
+                #
+                # withdrawals_root=requests,
+                # ),
+            ),
+        ],
+        post={},
+    )