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add first 32260 blocks of bitcoin headers for torba unit tests

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Jack Robison 2019-06-28 15:09:49 -04:00
parent 86b46ebf19
commit 8a5b803788
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3 changed files with 0 additions and 16 deletions
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1
torba/.gitignore vendored
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@ -7,7 +7,6 @@ dist/
# testing
.tox/
tests/client_tests/unit/bitcoin_headers
torba/bin
# cache and logs

BIN
torba/tests/client_tests/unit/bitcoin_headers Normal file
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15
torba/tests/client_tests/unit/test_headers.py
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@ -11,27 +11,12 @@ def block_bytes(blocks):
class BitcoinHeadersTestCase(AsyncioTestCase):
# Download headers instead of storing them in git.
HEADER_URL = 'http://headers.electrum.org/blockchain_headers'
HEADER_FILE = 'bitcoin_headers'
HEADER_BYTES = block_bytes(32260) # 2.6MB
RETARGET_BLOCK = 32256 # difficulty: 1 -> 1.18
def setUp(self):
self.maxDiff = None
self.header_file_name = os.path.join(os.path.dirname(__file__), self.HEADER_FILE)
if not os.path.exists(self.header_file_name):
req = Request(self.HEADER_URL)
req.add_header('Range', 'bytes=0-{}'.format(self.HEADER_BYTES-1))
with urlopen(req) as response, open(self.header_file_name, 'wb') as header_file:
header_file.write(response.read())
if os.path.getsize(self.header_file_name) != self.HEADER_BYTES:
os.remove(self.header_file_name)
raise Exception(
"Downloaded headers for testing are not the correct number of bytes. "
"They were deleted. Try running the tests again."
)
def get_bytes(self, upto: int = -1, after: int = 0) -> bytes:
with open(self.header_file_name, 'rb') as headers: