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-rw-r--r--python-packages/order_utils/README.md4
-rwxr-xr-xpython-packages/order_utils/setup.py47
-rw-r--r--python-packages/order_utils/src/conf.py3
-rw-r--r--python-packages/order_utils/src/index.rst3
-rw-r--r--python-packages/order_utils/src/zero_ex/contract_artifacts/__init__.py1
l---------python-packages/order_utils/src/zero_ex/contract_artifacts/artifacts1
-rw-r--r--python-packages/order_utils/src/zero_ex/dev_utils/type_assertions.py10
-rw-r--r--python-packages/order_utils/src/zero_ex/order_utils/__init__.py12
-rw-r--r--python-packages/order_utils/src/zero_ex/order_utils/py.typed (renamed from python-packages/order_utils/src/zero_ex/py.typed)0
-rw-r--r--python-packages/order_utils/src/zero_ex/order_utils/signature_utils.py88
-rw-r--r--python-packages/order_utils/stubs/setuptools/__init__.pyi4
-rw-r--r--python-packages/order_utils/stubs/web3/__init__.pyi18
-rw-r--r--python-packages/order_utils/stubs/web3/exceptions.pyi2
-rw-r--r--python-packages/order_utils/stubs/web3/utils/__init__.pyi0
-rw-r--r--python-packages/order_utils/stubs/web3/utils/datatypes.pyi3
-rw-r--r--python-packages/order_utils/test/test_doctest.py32
-rw-r--r--python-packages/order_utils/test/test_signature_utils.py128
17 files changed, 323 insertions, 33 deletions
diff --git a/python-packages/order_utils/README.md b/python-packages/order_utils/README.md
index a266694db..4c5f7627c 100644
--- a/python-packages/order_utils/README.md
+++ b/python-packages/order_utils/README.md
@@ -18,7 +18,7 @@ Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting
### Install Code and Dependencies
-Ensure that you have Python >=3.6 installed, then:
+Ensure that you have installed Python >=3.6 and Docker. Then:
```bash
pip install -e .[dev]
@@ -26,7 +26,7 @@ pip install -e .[dev]
### Test
-`./setup.py test`
+Tests depend on a running ganache instance with the 0x contracts deployed in it. For convenience, a docker container is provided that has ganache-cli and a snapshot containing the necessary contracts. A shortcut is provided to run that docker container: `./setup.py ganache`. With that running, the tests can be run with `./setup.py test`.
### Clean
diff --git a/python-packages/order_utils/setup.py b/python-packages/order_utils/setup.py
index 22a5f4c41..1b07b612c 100755
--- a/python-packages/order_utils/setup.py
+++ b/python-packages/order_utils/setup.py
@@ -5,11 +5,12 @@
import subprocess # nosec
from shutil import rmtree
from os import environ, path
+from pathlib import Path
from sys import argv
from distutils.command.clean import clean
import distutils.command.build_py
-from setuptools import setup
+from setuptools import find_packages, setup
from setuptools.command.test import test as TestCommand
@@ -59,8 +60,15 @@ class LintCommand(distutils.command.build_py.build_py):
import eth_abi
eth_abi_dir = path.dirname(path.realpath(eth_abi.__file__))
- with open(path.join(eth_abi_dir, "py.typed"), "a"):
- pass
+ Path(path.join(eth_abi_dir, "py.typed")).touch()
+
+ # HACK(gene): until eth_utils fixes
+ # https://github.com/ethereum/eth-utils/issues/140 , we need to simply
+ # create an empty file `py.typed` in the eth_abi package directory.
+ import eth_utils
+
+ eth_utils_dir = path.dirname(path.realpath(eth_utils.__file__))
+ Path(path.join(eth_utils_dir, "py.typed")).touch()
for lint_command in lint_commands:
print(
@@ -79,7 +87,7 @@ class CleanCommandExtension(clean):
rmtree(".mypy_cache", ignore_errors=True)
rmtree(".tox", ignore_errors=True)
rmtree(".pytest_cache", ignore_errors=True)
- rmtree("src/order_utils.egg-info", ignore_errors=True)
+ rmtree("src/0x_order_utils.egg-info", ignore_errors=True)
# pylint: disable=too-many-ancestors
@@ -111,6 +119,26 @@ class PublishCommand(distutils.command.build_py.build_py):
subprocess.check_call("twine upload dist/*".split()) # nosec
+# pylint: disable=too-many-ancestors
+class GanacheCommand(distutils.command.build_py.build_py):
+ """Custom command to publish to pypi.org."""
+
+ description = "Run ganache daemon to support tests."
+
+ def run(self):
+ """Run ganache."""
+ cmd_line = (
+ "docker run -d -p 8545:8545 0xorg/ganache-cli --gasLimit"
+ + " 10000000 --db /snapshot --noVMErrorsOnRPCResponse -p 8545"
+ + " --networkId 50 -m"
+ ).split()
+ cmd_line.append(
+ "concert load couple harbor equip island argue ramp clarify fence"
+ + " smart topic"
+ )
+ subprocess.call(cmd_line) # nosec
+
+
with open("README.md", "r") as file_handle:
README_MD = file_handle.read()
@@ -130,9 +158,9 @@ setup(
"test": TestCommandExtension,
"test_publish": TestPublishCommand,
"publish": PublishCommand,
+ "ganache": GanacheCommand,
},
- include_package_data=True,
- install_requires=["eth-abi", "mypy_extensions", "web3"],
+ install_requires=["eth-abi", "eth_utils", "mypy_extensions", "web3"],
extras_require={
"dev": [
"bandit",
@@ -151,14 +179,17 @@ setup(
]
},
python_requires=">=3.6, <4",
- package_data={"zero_ex.order_utils": ["py.typed"]},
+ package_data={
+ "zero_ex.order_utils": ["py.typed"],
+ "zero_ex.contract_artifacts": ["artifacts/*"],
+ },
package_dir={"": "src"},
license="Apache 2.0",
keywords=(
"ethereum cryptocurrency 0x decentralized blockchain dex exchange"
),
namespace_packages=["zero_ex"],
- packages=["zero_ex.order_utils", "zero_ex.dev_utils"],
+ packages=find_packages("src"),
classifiers=[
"Development Status :: 2 - Pre-Alpha",
"Intended Audience :: Developers",
diff --git a/python-packages/order_utils/src/conf.py b/python-packages/order_utils/src/conf.py
index 606cd3b2a..6b6776d01 100644
--- a/python-packages/order_utils/src/conf.py
+++ b/python-packages/order_utils/src/conf.py
@@ -3,6 +3,7 @@
# Reference: http://www.sphinx-doc.org/en/master/config
from typing import List
+import pkg_resources
# pylint: disable=invalid-name
@@ -12,7 +13,7 @@ project = "0x-order-utils"
# pylint: disable=redefined-builtin
copyright = "2018, ZeroEx, Intl."
author = "F. Eugene Aumson"
-version = "0.1.0" # The short X.Y version
+version = pkg_resources.get_distribution("0x-order-utils").version
release = "" # The full version, including alpha/beta/rc tags
extensions = [
diff --git a/python-packages/order_utils/src/index.rst b/python-packages/order_utils/src/index.rst
index 22d5b0ef9..b99addabd 100644
--- a/python-packages/order_utils/src/index.rst
+++ b/python-packages/order_utils/src/index.rst
@@ -19,6 +19,9 @@ Python zero_ex.order_utils
See source for class properties. Sphinx does not easily generate class property docs; pull requests welcome.
+.. automodule:: zero_ex.order_utils.signature_utils
+ :members:
+
Indices and tables
==================
diff --git a/python-packages/order_utils/src/zero_ex/contract_artifacts/__init__.py b/python-packages/order_utils/src/zero_ex/contract_artifacts/__init__.py
new file mode 100644
index 000000000..ed45d2c8e
--- /dev/null
+++ b/python-packages/order_utils/src/zero_ex/contract_artifacts/__init__.py
@@ -0,0 +1 @@
+"""Solc-generated artifacts for 0x smart contracts."""
diff --git a/python-packages/order_utils/src/zero_ex/contract_artifacts/artifacts b/python-packages/order_utils/src/zero_ex/contract_artifacts/artifacts
new file mode 120000
index 000000000..82d28ba87
--- /dev/null
+++ b/python-packages/order_utils/src/zero_ex/contract_artifacts/artifacts
@@ -0,0 +1 @@
+../../../../../packages/contract-artifacts/artifacts \ No newline at end of file
diff --git a/python-packages/order_utils/src/zero_ex/dev_utils/type_assertions.py b/python-packages/order_utils/src/zero_ex/dev_utils/type_assertions.py
index a100da567..08c1b0ea5 100644
--- a/python-packages/order_utils/src/zero_ex/dev_utils/type_assertions.py
+++ b/python-packages/order_utils/src/zero_ex/dev_utils/type_assertions.py
@@ -46,3 +46,13 @@ def assert_is_int(value: Any, name: str) -> None:
f"expected variable '{name}', with value {str(value)}, to have"
+ f" type 'int', not '{type(value).__name__}'"
)
+
+
+def assert_is_hex_string(value: Any, name: str) -> None:
+ """Assert that :param value: is a string of hex chars.
+
+ If :param value: isn't a str, raise a TypeError. If it is a string but
+ contains non-hex characters ("0x" prefix permitted), raise a ValueError.
+ """
+ assert_is_string(value, name)
+ int(value, 16) # raises a ValueError if value isn't a base-16 str
diff --git a/python-packages/order_utils/src/zero_ex/order_utils/__init__.py b/python-packages/order_utils/src/zero_ex/order_utils/__init__.py
index f014af0f6..80445cb6e 100644
--- a/python-packages/order_utils/src/zero_ex/order_utils/__init__.py
+++ b/python-packages/order_utils/src/zero_ex/order_utils/__init__.py
@@ -1 +1,11 @@
-"""Order utilities for 0x applications."""
+"""Order utilities for 0x applications.
+
+Some methods require the caller to pass in a `Web3.HTTPProvider` object. For
+local testing one may construct such a provider pointing at an instance of
+`ganache-cli <https://www.npmjs.com/package/ganache-cli>`_ which has the 0x
+contracts deployed on it. For convenience, a docker container is provided for
+just this purpose. To start it: ``docker run -d -p 8545:8545 0xorg/ganache-cli
+--gasLimit 10000000 --db /snapshot --noVMErrorsOnRPCResponse -p 8545
+--networkId 50 -m "concert load couple harbor equip island argue ramp clarify
+fence smart topic"``.
+"""
diff --git a/python-packages/order_utils/src/zero_ex/py.typed b/python-packages/order_utils/src/zero_ex/order_utils/py.typed
index e69de29bb..e69de29bb 100644
--- a/python-packages/order_utils/src/zero_ex/py.typed
+++ b/python-packages/order_utils/src/zero_ex/order_utils/py.typed
diff --git a/python-packages/order_utils/src/zero_ex/order_utils/signature_utils.py b/python-packages/order_utils/src/zero_ex/order_utils/signature_utils.py
new file mode 100644
index 000000000..12525ba88
--- /dev/null
+++ b/python-packages/order_utils/src/zero_ex/order_utils/signature_utils.py
@@ -0,0 +1,88 @@
+"""Signature utilities."""
+
+from typing import Dict, Tuple
+import json
+from pkg_resources import resource_string
+
+from eth_utils import is_address, to_checksum_address
+from web3 import Web3
+import web3.exceptions
+from web3.utils import datatypes
+
+from zero_ex.dev_utils.type_assertions import assert_is_hex_string
+
+
+# prefer `black` formatting. pylint: disable=C0330
+EXCHANGE_ABI = json.loads(
+ resource_string("zero_ex.contract_artifacts", "artifacts/Exchange.json")
+)["compilerOutput"]["abi"]
+
+network_to_exchange_addr: Dict[str, str] = {
+ "1": "0x4f833a24e1f95d70f028921e27040ca56e09ab0b",
+ "3": "0x4530c0483a1633c7a1c97d2c53721caff2caaaaf",
+ "42": "0x35dd2932454449b14cee11a94d3674a936d5d7b2",
+ "50": "0x48bacb9266a570d521063ef5dd96e61686dbe788",
+}
+
+
+# prefer `black` formatting. pylint: disable=C0330
+def is_valid_signature(
+ provider: Web3.HTTPProvider, data: str, signature: str, signer_address: str
+) -> Tuple[bool, str]:
+ # docstring considered all one line by pylint: disable=line-too-long
+ """Check the validity of the supplied signature.
+
+ Check if the supplied ``signature`` corresponds to signing ``data`` with
+ the private key corresponding to ``signer_address``.
+
+ :param provider: A Web3 provider able to access the 0x Exchange contract.
+ :param data: The hex encoded data signed by the supplied signature.
+ :param signature: The hex encoded signature.
+ :param signer_address: The hex encoded address that signed the data to
+ produce the supplied signature.
+ :rtype: Boolean indicating whether the given signature is valid.
+
+ >>> is_valid_signature(
+ ... Web3.HTTPProvider("http://127.0.0.1:8545"),
+ ... '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0',
+ ... '0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace225403',
+ ... '0x5409ed021d9299bf6814279a6a1411a7e866a631',
+ ... )
+ (True, '')
+ """ # noqa: E501 (line too long)
+ # TODO: make this provider check more flexible. pylint: disable=fixme
+ # https://app.asana.com/0/684263176955174/901300863045491/f
+ if not isinstance(provider, Web3.HTTPProvider):
+ raise TypeError("provider is not a Web3.HTTPProvider")
+ assert_is_hex_string(data, "data")
+ assert_is_hex_string(signature, "signature")
+ assert_is_hex_string(signer_address, "signer_address")
+ if not is_address(signer_address):
+ raise ValueError("signer_address is not a valid address")
+
+ web3_instance = Web3(provider)
+ # false positive from pylint: disable=no-member
+ network_id = web3_instance.net.version
+ contract_address = network_to_exchange_addr[network_id]
+ # false positive from pylint: disable=no-member
+ contract: datatypes.Contract = web3_instance.eth.contract(
+ address=to_checksum_address(contract_address), abi=EXCHANGE_ABI
+ )
+ try:
+ return (
+ contract.call().isValidSignature(
+ data, to_checksum_address(signer_address), signature
+ ),
+ "",
+ )
+ except web3.exceptions.BadFunctionCallOutput as exception:
+ known_revert_reasons = [
+ "LENGTH_GREATER_THAN_0_REQUIRED",
+ "SIGNATURE_UNSUPPORTED",
+ "LENGTH_0_REQUIRED",
+ "LENGTH_65_REQUIRED",
+ ]
+ for known_revert_reason in known_revert_reasons:
+ if known_revert_reason in str(exception):
+ return (False, known_revert_reason)
+ return (False, f"Unknown: {exception}")
diff --git a/python-packages/order_utils/stubs/setuptools/__init__.pyi b/python-packages/order_utils/stubs/setuptools/__init__.pyi
index baa349d70..8ea8d32b7 100644
--- a/python-packages/order_utils/stubs/setuptools/__init__.pyi
+++ b/python-packages/order_utils/stubs/setuptools/__init__.pyi
@@ -1,6 +1,8 @@
from distutils.dist import Distribution
-from typing import Any
+from typing import Any, List
def setup(**attrs: Any) -> Distribution: ...
class Command: ...
+
+def find_packages(where: str) -> List[str]: ...
diff --git a/python-packages/order_utils/stubs/web3/__init__.pyi b/python-packages/order_utils/stubs/web3/__init__.pyi
index c6f357009..fcecc7434 100644
--- a/python-packages/order_utils/stubs/web3/__init__.pyi
+++ b/python-packages/order_utils/stubs/web3/__init__.pyi
@@ -1,10 +1,26 @@
-from typing import Optional, Union
+from typing import Dict, Optional, Union
+
+from web3.utils import datatypes
+
class Web3:
+ class HTTPProvider: ...
+
+ def __init__(self, provider: HTTPProvider) -> None: ...
+
@staticmethod
def sha3(
primitive: Optional[Union[bytes, int, None]] = None,
text: Optional[str] = None,
hexstr: Optional[str] = None
) -> bytes: ...
+
+ class net:
+ version: str
+ ...
+
+ class eth:
+ @staticmethod
+ def contract(address: str, abi: Dict) -> datatypes.Contract: ...
+ ...
...
diff --git a/python-packages/order_utils/stubs/web3/exceptions.pyi b/python-packages/order_utils/stubs/web3/exceptions.pyi
new file mode 100644
index 000000000..83abf973d
--- /dev/null
+++ b/python-packages/order_utils/stubs/web3/exceptions.pyi
@@ -0,0 +1,2 @@
+class BadFunctionCallOutput(Exception):
+ ...
diff --git a/python-packages/order_utils/stubs/web3/utils/__init__.pyi b/python-packages/order_utils/stubs/web3/utils/__init__.pyi
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/python-packages/order_utils/stubs/web3/utils/__init__.pyi
diff --git a/python-packages/order_utils/stubs/web3/utils/datatypes.pyi b/python-packages/order_utils/stubs/web3/utils/datatypes.pyi
new file mode 100644
index 000000000..70baff372
--- /dev/null
+++ b/python-packages/order_utils/stubs/web3/utils/datatypes.pyi
@@ -0,0 +1,3 @@
+class Contract:
+ def call(self): ...
+ ...
diff --git a/python-packages/order_utils/test/test_doctest.py b/python-packages/order_utils/test/test_doctest.py
index ba5da5418..2b0350ac0 100644
--- a/python-packages/order_utils/test/test_doctest.py
+++ b/python-packages/order_utils/test/test_doctest.py
@@ -1,24 +1,18 @@
-"""Exercise doctests for order_utils module."""
+"""Exercise doctests for all of our modules."""
from doctest import testmod
+import pkgutil
-from zero_ex.dev_utils import abi_utils, type_assertions
-from zero_ex.order_utils import asset_data_utils
+import zero_ex
-def test_doctest_asset_data_utils():
- """Invoke doctest on the asset_data_utils module."""
- (failure_count, _) = testmod(asset_data_utils)
- assert failure_count == 0
-
-
-def test_doctest_abi_utils():
- """Invoke doctest on the abi_utils module."""
- (failure_count, _) = testmod(abi_utils)
- assert failure_count == 0
-
-
-def test_doctest_type_assertions():
- """Invoke doctest on the type_assertions module."""
- (failure_count, _) = testmod(type_assertions)
- assert failure_count == 0
+def test_all_doctests():
+ """Gather zero_ex.* modules and doctest them."""
+ # prefer `black` formatting. pylint: disable=bad-continuation
+ for (importer, modname, _) in pkgutil.walk_packages(
+ path=zero_ex.__path__, prefix="zero_ex."
+ ):
+ module = importer.find_module(modname).load_module(modname)
+ print(module)
+ (failure_count, _) = testmod(module)
+ assert failure_count == 0
diff --git a/python-packages/order_utils/test/test_signature_utils.py b/python-packages/order_utils/test/test_signature_utils.py
new file mode 100644
index 000000000..b688e03a1
--- /dev/null
+++ b/python-packages/order_utils/test/test_signature_utils.py
@@ -0,0 +1,128 @@
+"""Tests of zero_ex.order_utils.signature_utils."""
+
+import pytest
+from web3 import Web3
+
+from zero_ex.order_utils.signature_utils import is_valid_signature
+
+
+def test_is_valid_signature__provider_wrong_type():
+ """Test that giving a non-HTTPProvider raises a TypeError."""
+ with pytest.raises(TypeError):
+ is_valid_signature(
+ 123,
+ "0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b"
+ + "0",
+ "0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351b"
+ + "c3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace"
+ + "225403",
+ "0x5409ed021d9299bf6814279a6a1411a7e866a631",
+ )
+
+
+def test_is_valid_signature__data_not_string():
+ """Test that giving non-string `data` raises a TypeError."""
+ with pytest.raises(TypeError):
+ is_valid_signature(
+ Web3.HTTPProvider("http://127.0.0.1:8545"),
+ 123,
+ "0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351b"
+ + "c3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace"
+ + "225403",
+ "0x5409ed021d9299bf6814279a6a1411a7e866a631",
+ )
+
+
+def test_is_valid_signature__data_not_hex_string():
+ """Test that giving non-hex-string `data` raises a ValueError."""
+ with pytest.raises(ValueError):
+ is_valid_signature(
+ Web3.HTTPProvider("http://127.0.0.1:8545"),
+ "jjj",
+ "0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351b"
+ + "c3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace"
+ + "225403",
+ "0x5409ed021d9299bf6814279a6a1411a7e866a631",
+ )
+
+
+def test_is_valid_signature__signature_not_string():
+ """Test that passng a non-string signature raises a TypeError."""
+ with pytest.raises(TypeError):
+ is_valid_signature(
+ Web3.HTTPProvider("http://127.0.0.1:8545"),
+ "0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b"
+ + "0",
+ 123,
+ "0x5409ed021d9299bf6814279a6a1411a7e866a631",
+ )
+
+
+def test_is_valid_signature__signature_not_hex_string():
+ """Test that passing a non-hex-string signature raises a ValueError."""
+ with pytest.raises(ValueError):
+ is_valid_signature(
+ Web3.HTTPProvider("http://127.0.0.1:8545"),
+ "0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b"
+ + "0",
+ "jjj",
+ "0x5409ed021d9299bf6814279a6a1411a7e866a631",
+ )
+
+
+def test_is_valid_signature__signer_address_not_string():
+ """Test that giving a non-address `signer_address` raises a ValueError."""
+ with pytest.raises(TypeError):
+ is_valid_signature(
+ Web3.HTTPProvider("http://127.0.0.1:8545"),
+ "0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b"
+ + "0",
+ "0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351b"
+ + "c3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace"
+ + "225403",
+ 123,
+ )
+
+
+def test_is_valid_signature__signer_address_not_hex_string():
+ """Test that giving a non-hex-str `signer_address` raises a ValueError."""
+ with pytest.raises(ValueError):
+ is_valid_signature(
+ Web3.HTTPProvider("http://127.0.0.1:8545"),
+ "0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b"
+ + "0",
+ "0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351b"
+ + "c3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace"
+ + "225403",
+ "jjj",
+ )
+
+
+def test_is_valid_signature__signer_address_not_valid_address():
+ """Test that giving a non-address for `signer_address` raises an error."""
+ with pytest.raises(ValueError):
+ is_valid_signature(
+ Web3.HTTPProvider("http://127.0.0.1:8545"),
+ "0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b"
+ + "0",
+ "0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351b"
+ + "c3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace"
+ + "225403",
+ "0xff",
+ )
+
+
+def test_is_valid_signature__unsupported_sig_types():
+ """Test that passing in a sig w/invalid type raises error.
+
+ To induce this error, the last byte of the signature is tweaked from 03 to
+ ff."""
+ (is_valid, reason) = is_valid_signature(
+ Web3.HTTPProvider("http://127.0.0.1:8545"),
+ "0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0",
+ "0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc334"
+ + "0349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254ff",
+ "0x5409ed021d9299bf6814279a6a1411a7e866a631",
+ )
+ assert is_valid is False
+ assert reason == "SIGNATURE_UNSUPPORTED"