def test_get_metadata(self):
# Full entry caching for non-settled transactions, otherwise only metadata.
bytedata_set_1 = bytes.fromhex(tx_hex_1)
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 = bytes.fromhex(tx_hex_2)
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._cache[tx_hash_1]
assert cache.have_transaction_data_cached(tx_hash_1)
entry = cache._cache[tx_hash_2]
assert not cache.have_transaction_data_cached(tx_hash_2)
def test_get_transaction_after_metadata(self):
# Getting an entry for a settled transaction should update from metadata-only to full.
bytedata_set = bytes.fromhex(tx_hex_1)
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._cache[tx_hash]
assert not cache.have_transaction_data_cached(tx_hash)
# Entry request will hit the database.
entry = cache.get_entry(tx_hash)
assert cache.have_transaction_data_cached(tx_hash)
cached_entry_2 = cache._cache[tx_hash]
assert entry.metadata == cached_entry_2.metadata
assert entry.flags == cached_entry_2.flags