def test_key_to_certificate():
"""
Using known good cert files from casperlabs/key-generator in `cert_files` directory to
test conversion from key to certificate.
"""
current_path = Path(__file__).resolve().parent
cert_path = current_path / "cert_files"
node_cert_pem = cert_path / "node.certificate.pem"
node_key_pem = cert_path / "node.key.pem"
node_id = cert_path / "node-id"
# Read in and generate key
node_key_data = read_binary_file(node_key_pem)
private_key_obj = serialization.load_pem_private_key(
node_key_data, None, default_backend())
public_key_obj = private_key_obj.public_key()
node_address_data = read_file(node_id).strip()
node_address_calc = node_public_address(public_key_obj)
assert node_address_data == node_address_calc
# Read cert
node_cert_data = read_binary_file(node_cert_pem)
cert = x509.load_pem_x509_certificate(node_cert_data, default_backend())
print(cert)
py_cert_pem, key_pem = crypto.generate_node_certificates(
private_key_obj, private_key_obj.public_key())
py_cert = x509.load_pem_x509_certificate(py_cert_pem, default_backend())
print(py_cert)
def from_public_key_path(
public_key_pem_path: Union[str, Path]) -> "KeyHolder":
"""
Creates SECP256K1Key object from public key file in pem format.
Note: Functionality requiring Private Key will not be possible. Use only if no private key pem is available.
"""
public_key_pem = read_binary_file(public_key_pem_path)
return SECP256K1Key(public_key_pem=public_key_pem)
def __init__(self, host, port, serviceStub, node_id, certificate_file):
self.address = f"{host}:{port}"
self.serviceStub = serviceStub
self.node_id = node_id or extract_common_name(certificate_file)
self.certificate_file = certificate_file
file_contents = read_binary_file(self.certificate_file)
self.credentials = grpc.ssl_channel_credentials(file_contents)
self.secure_channel_options = ((
("grpc.ssl_target_name_override", self.node_id),
("grpc.default_authority", self.node_id),
) if self.node_id else None)
def to_protobuf(self) -> consensus.Deploy.Code:
""" Encode contract into consensus.Deploy.Code """
if self.wasm_file_path:
wasm_contract = consensus.Deploy.Code.WasmContract(
wasm=read_binary_file(self.wasm_file_path)
)
return consensus.Deploy.Code(
args=self.contract_args, wasm_contract=wasm_contract
)
if self.contract_hash:
stored_contract = consensus.Deploy.Code.StoredContract(
contract_hash=self.contract_hash, entry_point=self.entry_point
)
return consensus.Deploy.Code(
args=self.contract_args, stored_contract=stored_contract
)
if self.contract_name:
stored_contract = consensus.Deploy.Code.StoredContract(
name=self.contract_name, entry_point=self.entry_point
)
return consensus.Deploy.Code(
args=self.contract_args, stored_contract=stored_contract
)
elif self.package_hash:
svc = consensus.Deploy.Code.StoredVersionedContract(
package_hash=self.package_hash,
entry_point=self.entry_point,
version=self.version,
)
return consensus.Deploy.Code(
args=self.contract_args, stored_versioned_contract=svc
)
elif self.package_name:
svc = consensus.Deploy.Code.StoredVersionedContract(
name=self.package_name,
entry_point=self.entry_point,
version=self.version,
)
return consensus.Deploy.Code(
args=self.contract_args, stored_versioned_contract=svc
)
elif self.transfer_args:
transfer_contract = consensus.Deploy.Code.TransferContract()
return consensus.Deploy.Code(
args=self.transfer_args, transfer_contract=transfer_contract
)
# If we fall through, may error or provide defaults
return self._only_args_encode()
def from_private_key_path(
private_key_pem_path: Union[str, Path]) -> "KeyHolder":
""" Creates SECP256K1Key object from private key file in pem format """
private_key_pem = read_binary_file(private_key_pem_path)
return SECP256K1Key(private_key_pem=private_key_pem)
def from_public_key_path(
public_key_pem_path: Union[str, Path]) -> "KeyHolder":
""" Returns a ED25519Key object loaded from a private_key_pem file"""
public_key_pem = read_binary_file(public_key_pem_path)
return ED25519Key(public_key_pem=public_key_pem)