refactor: check isinstance and others

.pre-commit-config.yaml

@@ -19,6 +19,7 @@ repos:
     rev: 7.1.0
     hooks:
     -   id: flake8
+        additional_dependencies: [flake8-breakpoint, flake8-print, flake8-pydantic]
 
 -   repo: https://github.com/pre-commit/mirrors-mypy
     rev: v1.11.0

ape_foundry/provider.py

@@ -45,8 +45,16 @@
 from yarl import URL
 
 from ape_foundry.constants import EVM_VERSION_BY_NETWORK
+from ape_foundry.exceptions import (
+    FoundryNotInstalledError,
+    FoundryProviderError,
+    FoundrySubprocessError,
+)
 
-from .exceptions import FoundryNotInstalledError, FoundryProviderError, FoundrySubprocessError
+try:
+    from ape_optimism import Optimism
+except ImportError:
+    Optimism = None
 
 EPHEMERAL_PORTS_START = 49152
 EPHEMERAL_PORTS_END = 60999
@@ -104,6 +112,13 @@ class FoundryNetworkConfig(PluginConfig):
     rather than only when a new transaction is submitted.
     """
 
+    use_optimism: Optional[bool] = None
+    """
+    Configure the node to run with the `--optimism` flag.
+    NOTE: When using Optimism-based networks (including Base),
+    this flag is automatically added.
+    """
+
     model_config = SettingsConfigDict(extra="allow")
 
     @field_validator("fork", mode="before")
@@ -457,7 +472,14 @@ def build_command(self) -> list[str]:
         if evm_version := self.evm_version:
             cmd.extend(("--hardfork", evm_version))
 
-        if self.network.ecosystem.name in ("optimism", "base"):
+        # Optimism-based networks are different; Anvil provides a flag to make
+        # testing more like the real network(s).
+        if self.settings.use_optimism or (
+            Optimism is not None
+            and isinstance(
+                self.network.ecosystem, Optimism and self.settings.use_optimism is not False
+            )
+        ):
             cmd.append("--optimism")
 
         return cmd

setup.cfg

@@ -4,6 +4,7 @@ exclude =
 	venv*
 	docs
 	build
+ignore = E704,W503,PYD002
 per-file-ignores =
     # The traces have to be formatted this way for the tests.
     tests/expected_traces.py: E501

setup.py

@@ -22,6 +22,7 @@
         "flake8>=7.1.0,<8",  # Style linter
         "flake8-breakpoint>=1.1.0,<2",  # Detect breakpoints left in code
         "flake8-print>=5.0.0,<6",  # Detect print statements left in code
+        "flake8-pydantic",  # For detecting issues with Pydantic models
         "isort>=5.13.2,<6",  # Import sorting linter
         "mdformat>=0.7.17",  # Auto-formatter for markdown
         "mdformat-gfm>=0.3.5",  # Needed for formatting GitHub-flavored markdown