logos-blockchain-specs/da/test_dispersal.py
2025-06-04 15:21:04 +02:00

40 lines
1.4 KiB
Python

from unittest import TestCase
from da.encoder import DAEncoderParams, DAEncoder
from da.test_encoder import TestEncoder
from da.verifier import DAVerifier, DAShare
from da.common import NodeId
from da.dispersal import Dispersal, DispersalSettings
class TestDispersal(TestCase):
def setUp(self):
self.n_nodes = 16
self.nodes_ids = [NodeId(x.to_bytes(length=32, byteorder='big')) for x in range(self.n_nodes)]
dispersal_settings = DispersalSettings(
self.nodes_ids,
self.n_nodes // 2 + 1
)
self.dispersal = Dispersal(dispersal_settings)
self.encoder_test = TestEncoder()
self.encoder_test.setUp()
def test_disperse(self):
data = self.encoder_test.data
encoding_params = DAEncoderParams(column_count=self.n_nodes // 2, bytes_per_chunk=31)
encoded_data = DAEncoder(encoding_params).encode(data)
# mock send and await method with local verifiers
verifiers_res = []
def __send_and_await_response(_, blob: DAShare):
verifier = DAVerifier()
res = verifier.verify(blob)
verifiers_res.append(res)
return res
# inject mock send and await method
self.dispersal._send_and_await_response = __send_and_await_response
self.dispersal.disperse(encoded_data)
for res in verifiers_res:
self.assertTrue(res)