def test_get_transaction_after_metadata(self):
# Getting an entry for a settled transaction should update from metadata-only to full.
bytedata_set = os.urandom(10)
tx_hash = bitcoinx.double_sha256(bytedata_set)
metadata_set = TxData(height=1,
fee=2,
position=None,
date_added=1,
date_updated=1)
with SynchronousWriter() as writer:
self.store.create([(tx_hash, metadata_set, bytedata_set,
TxFlags.StateSettled, None)],
completion_callback=writer.get_callback())
assert writer.succeeded()
cache = TransactionCache(self.store)
metadata_get = cache.get_metadata(tx_hash)
assert metadata_get is not None
# Initial priming of cache will be only metadata.
cached_entry_1 = cache.get_cached_entry(tx_hash)
assert cached_entry_1.is_metadata_cached()
assert not cached_entry_1.is_bytedata_cached()
# Entry request will hit the database.
entry = cache.get_entry(tx_hash)
assert entry.is_metadata_cached()
assert entry.is_bytedata_cached()
cached_entry_2 = cache.get_cached_entry(tx_hash)
assert entry == cached_entry_2
def test_get_metadata(self):
# Full entry caching for non-settled transactions, otherwise only metadata.
bytedata_set_1 = os.urandom(10)
tx_hash_1 = bitcoinx.double_sha256(bytedata_set_1)
metadata_set_1 = TxData(height=None,
fee=2,
position=None,
date_added=1,
date_updated=1)
bytedata_set_2 = os.urandom(10)
tx_hash_2 = bitcoinx.double_sha256(bytedata_set_2)
metadata_set_2 = TxData(height=1,
fee=2,
position=10,
date_added=1,
date_updated=1)
with SynchronousWriter() as writer:
self.store.create([
(tx_hash_1, metadata_set_1, bytedata_set_1, TxFlags.Unset,
None),
(tx_hash_2, metadata_set_2, bytedata_set_2,
TxFlags.StateSettled, None),
],
completion_callback=writer.get_callback())
assert writer.succeeded()
cache = TransactionCache(self.store)
metadata_get = cache.get_metadata(tx_hash_1)
assert metadata_set_1.height == metadata_get.height
assert metadata_set_1.fee == metadata_get.fee
assert metadata_set_1.position == metadata_get.position
metadata_get = cache.get_metadata(tx_hash_2)
assert metadata_set_2.height == metadata_get.height
assert metadata_set_2.fee == metadata_get.fee
assert metadata_set_2.position == metadata_get.position
entry = cache.get_cached_entry(tx_hash_1)
assert entry.is_metadata_cached()
assert entry.is_bytedata_cached()
entry = cache.get_cached_entry(tx_hash_2)
assert entry.is_metadata_cached()
assert not entry.is_bytedata_cached()