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https://github.com/logos-blockchain/logos-blockchain-e2e-tests.git
synced 2026-01-02 13:13:08 +00:00
65 lines
2.4 KiB
Python
65 lines
2.4 KiB
Python
import io
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import json
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import tarfile
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import pytest
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from src.client.nomos_cli import NomosCli
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from src.env_vars import CONSENSUS_SLOT_TIME, NOMOS_CUSTOM
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from src.libs.common import delay, to_app_id, to_index
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from src.libs.custom_logger import get_custom_logger
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from src.node.nomos_node import NomosNode
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from src.steps.da import StepsDataAvailability
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from src.test_data import DATA_TO_DISPERSE
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logger = get_custom_logger(__name__)
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class TestDataConfidentiality(StepsDataAvailability):
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main_nodes = []
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@pytest.mark.usefixtures("setup_2_node_cluster")
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def test_unauthorized_node_cannot_receive_dispersed_data(self):
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self.disperse_data(DATA_TO_DISPERSE[1], to_app_id(1), to_index(0))
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delay(CONSENSUS_SLOT_TIME)
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rcv_data = self.get_data_range(self.node2, to_app_id(1), to_index(0), to_index(5))
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rcv_data_json = json.dumps(rcv_data)
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decoded_data = NomosCli(command="reconstruct").run(input_values=[rcv_data_json], decode_only=True)
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assert DATA_TO_DISPERSE[1] == decoded_data, "Retrieved data are not same with original data"
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# Copy the config file from first node
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stream, _stat = self.node2.get_archive("/config.yaml")
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# Join stream into bytes and load into a memory buffer
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tar_bytes = io.BytesIO(b"".join(stream))
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# Extract and write only the actual text file
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with tarfile.open(fileobj=tar_bytes) as tar:
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member = tar.getmembers()[0]
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file_obj = tar.extractfile(member)
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if file_obj:
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with open("./cluster_config/config.yaml", "wb") as f:
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f.write(file_obj.read())
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self.node2.stop()
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# Start new node with the same hostname and configuration as first node
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self.nodeX = NomosNode(NOMOS_CUSTOM, "nomos_node_0")
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self.nodeX.start()
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try:
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self.nodeX.ensure_ready()
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except Exception as ex:
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logger.error(f"REST service did not become ready in time: {ex}")
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raise
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# Confirm new node haven't received any dispersed data
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self.disperse_data(DATA_TO_DISPERSE[2], to_app_id(2), to_index(0))
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delay(CONSENSUS_SLOT_TIME)
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try:
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_rcv_data = self.get_data_range(self.nodeX, to_app_id(2), to_index(0), to_index(5))
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except AssertionError as ae:
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assert "Get data range response is empty" in str(ae), "Get data range response should be empty"
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