LBRYCommunity/lbry-sdk
1
0
Fork 1
Code Issues Pull requests Packages Projects Releases 282 Wiki Activity

fixes for various edge cases where claim creation, updating and abandoning is occuring in the same block

Browse source
This commit is contained in:
Lex Berezhny 2019-12-14 17:30:42 -05:00
parent 74469829e5
commit 7fa26d59da
2 changed files with 43 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
lbry/lbry/wallet/server/db/writer.py
View file

@ -684,6 +684,7 @@ class SQLDB:
def advance_txs(self, height, all_txs, header, daemon_height, timer):
insert_claims = []
update_claims = []
update_claim_hashes = set()
delete_claim_hashes = set()
insert_supports = []
delete_support_txo_hashes = set()
@ -718,15 +719,25 @@ class SQLDB:
update_claims.append(output)
recalculate_claim_hashes.add(claim_hash)
delete_claim_hashes.discard(claim_hash)
delete_others.discard(output.ref.hash) # claim insertion and update occurring in the same block
update_claim_hashes.add(claim_hash)
body_timer.stop()
skip_claim_timer = timer.add_timer('skip insertion of abandoned claims')
skip_claim_timer.start()
skip_update_claim_timer = timer.add_timer('skip update of abandoned claims')
skip_update_claim_timer.start()
for updated_claim in list(update_claims):
if updated_claim.ref.hash in delete_others:
update_claims.remove(updated_claim)
delete_claim_hashes.add(updated_claim.claim_hash)
update_claim_hashes.discard(updated_claim.claim_hash)
skip_update_claim_timer.stop()
skip_insert_claim_timer = timer.add_timer('skip insertion of abandoned claims')
skip_insert_claim_timer.start()
for new_claim in list(insert_claims):
if new_claim.ref.hash in delete_others:
insert_claims.remove(new_claim)
skip_claim_timer.stop()
if new_claim.claim_hash not in update_claim_hashes:
insert_claims.remove(new_claim)
skip_insert_claim_timer.stop()
expire_timer = timer.add_timer('recording expired claims')
expire_timer.start()

27
lbry/tests/unit/wallet/server/test_sqldb.py
View file

@ -315,6 +315,33 @@ class TestClaimtrie(TestSQLDB):
accepted=[]
)
def test_create_and_update_in_same_block(self):
advance, state = self.advance, self.state
stream = self.get_stream('Claim A', 10*COIN)
advance(10, [stream, self.get_stream_update(stream, 11*COIN)])
self.assertTrue(reader._search())
def test_create_and_abandon_in_same_block(self):
advance, state = self.advance, self.state
stream = self.get_stream('Claim A', 10*COIN)
advance(10, [stream, self.get_abandon(stream)])
self.assertFalse(reader._search())
def test_update_and_abandon_in_same_block(self):
advance, state = self.advance, self.state
stream = self.get_stream('Claim A', 10*COIN)
advance(10, [stream])
update = self.get_stream_update(stream, 11*COIN)
advance(20, [update, self.get_abandon(update)])
self.assertFalse(reader._search())
def test_create_update_and_delete_in_same_block(self):
advance, state = self.advance, self.state
stream = self.get_stream('Claim A', 10*COIN)
update = self.get_stream_update(stream, 11*COIN)
advance(10, [stream, update, self.get_abandon(update)])
self.assertFalse(reader._search())
@staticmethod
def _get_x_with_claim_id_prefix(getter, prefix, cached_iteration=None, **kwargs):
iterations = cached_iteration+1 if cached_iteration else 100