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several fixes to mongodb queries

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This commit is contained in:
Rodolphe Marques 2017-01-06 11:23:21 +01:00
parent af39e204c9
commit 595f7dc701
3 changed files with 108 additions and 35 deletions
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108
bigchaindb/backend/mongodb/query.py
View File

@ -1,6 +1,7 @@
"""Query implementation for MongoDB"""
from time import time
from itertools import chain
from pymongo import ReturnDocument
@ -36,7 +37,8 @@ def delete_transaction(conn, *transaction_id):
@register_query(MongoDBConnection)
def get_stale_transactions(conn, reassign_delay):
return conn.db['backlog']\
.find({'assignment_timestamp': {'$lt': time() - reassign_delay}})
.find({'assignment_timestamp': {'$lt': time() - reassign_delay}},
projection={'_id': False})
@register_query(MongoDBConnection)
@ -58,7 +60,10 @@ def get_transaction_from_block(conn, transaction_id, block_id):
@register_query(MongoDBConnection)
def get_transaction_from_backlog(conn, transaction_id):
return conn.db['backlog'].find_one({'id': transaction_id})
return conn.db['backlog']\
.find_one({'id': transaction_id},
projection={'_id': False, 'assignee': False,
'assignment_timestamp': False})
@register_query(MongoDBConnection)
@ -70,33 +75,83 @@ def get_blocks_status_from_transaction(conn, transaction_id):
@register_query(MongoDBConnection)
def get_txids_by_asset_id(conn, asset_id):
return conn.db['bigchain']\
.find({'block.transactions.asset.id': asset_id},
projection=['id'])
# get the txid of the create transaction for asset_id
cursor = conn.db['bigchain'].aggregate([
{'$match': {
'block.transactions.id': asset_id,
'block.transactions.operation': 'CREATE'
}},
{'$unwind': '$block.transactions'},
{'$match': {
'block.transactions.id': asset_id,
'block.transactions.operation': 'CREATE'
}},
{'$project': {'block.transactions.id': True}}
])
create_tx_txids = (elem['block']['transactions']['id'] for elem in cursor)
# get txids of transfer transaction with asset_id
cursor = conn.db['bigchain'].aggregate([
{'$match': {
'block.transactions.asset.id': asset_id
}},
{'$unwind': '$block.transactions'},
{'$match': {
'block.transactions.asset.id': asset_id
}},
{'$project': {'block.transactions.id': True}}
])
transfer_tx_ids = (elem['block']['transactions']['id'] for elem in cursor)
return chain(create_tx_txids, transfer_tx_ids)
@register_query(MongoDBConnection)
def get_asset_by_id(conn, asset_id):
return conn.db['bigchain']\
.find_one({'block.transactions.asset.id': asset_id,
'block.transactions.asset.operation': 'CREATE'},
projection=['block.transactions.asset'])
cursor = conn.db['bigchain'].aggregate([
{'$match': {
'block.transactions.id': asset_id,
'block.transactions.operation': 'CREATE'
}},
{'$unwind': '$block.transactions'},
{'$match': {
'block.transactions.id': asset_id,
'block.transactions.operation': 'CREATE'
}},
{'$project': {'block.transactions.asset': True}}
])
# we need to access some nested fields before returning so lets use a
# generator to avoid having to read all records on the cursor at this point
return (elem['block']['transactions'] for elem in cursor)
@register_query(MongoDBConnection)
def get_spent(conn, transaction_id, condition_id):
return conn.db['bigchain']\
.find_one({'block.transactions.fulfillments.input.txid':
transaction_id,
'block.transactions.fulfillments.input.cid':
condition_id})
cursor = conn.db['bigchain'].aggregate([
{'$unwind': '$block.transactions'},
{'$match': {
'block.transactions.fulfillments.input.txid': transaction_id,
'block.transactions.fulfillments.input.cid': condition_id
}}
])
# we need to access some nested fields before returning so lets use a
# generator to avoid having to read all records on the cursor at this point
return (elem['block']['transactions'] for elem in cursor)
@register_query(MongoDBConnection)
def get_owned_ids(conn, owner):
return conn.db['bigchain']\
.find({'block.transactions.transaction.conditions.owners_after':
owner})
cursor = conn.db['bigchain'].aggregate([
{'$unwind': '$block.transactions'},
{'$match': {
'block.transactions.conditions.owners_after': {
'$elemMatch': {'$eq': owner}
}
}}
])
# we need to access some nested fields before returning so lets use a
# generator to avoid having to read all records on the cursor at this point
return (elem['block']['transactions'] for elem in cursor)
@register_query(MongoDBConnection)
@ -121,7 +176,8 @@ def write_block(conn, block):
@register_query(MongoDBConnection)
def get_block(conn, block_id):
return conn.db['bigchain'].find_one({'id': block_id})
return conn.db['bigchain'].find_one({'id': block_id},
projection={'_id': False})
@register_query(MongoDBConnection)
@ -184,4 +240,18 @@ def get_last_voted_block(conn, node_pubkey):
@register_query(MongoDBConnection)
def get_unvoted_blocks(conn, node_pubkey):
pass
return conn.db['bigchain'].aggregate([
{'$lookup': {
'from': 'votes',
'localField': 'id',
'foreignField': 'vote.voting_for_block',
'as': 'votes'
}},
{'$match': {
'votes.node_pubkey': {'$ne': node_pubkey},
'block.transactions.operation': {'$ne': 'GENESIS'}
}},
{'$project': {
'votes': False, '_id': False
}}
])

30
tests/pipelines/test_vote.py
View File

@ -279,7 +279,7 @@ def test_valid_block_voting_with_transfer_transactions(monkeypatch,
tx = Transaction.create([b.me], [([test_user_pub], 1)])
tx = tx.sign([b.me_private])
monkeypatch.setattr('time.time', lambda: 1111111111)
monkeypatch.setattr('time.time', lambda: 1000000000)
block = b.create_block([tx])
b.write_block(block)
@ -289,7 +289,7 @@ def test_valid_block_voting_with_transfer_transactions(monkeypatch,
asset_id=tx.id)
tx2 = tx2.sign([test_user_priv])
monkeypatch.setattr('time.time', lambda: 2222222222)
monkeypatch.setattr('time.time', lambda: 2000000000)
block2 = b.create_block([tx2])
b.write_block(block2)
@ -314,7 +314,7 @@ def test_valid_block_voting_with_transfer_transactions(monkeypatch,
'previous_block': genesis_block.id,
'is_block_valid': True,
'invalid_reason': None,
'timestamp': '2222222222'}
'timestamp': '2000000000'}
serialized_vote = utils.serialize(vote_doc['vote']).encode()
assert vote_doc['node_pubkey'] == b.me
@ -328,7 +328,7 @@ def test_valid_block_voting_with_transfer_transactions(monkeypatch,
'previous_block': block.id,
'is_block_valid': True,
'invalid_reason': None,
'timestamp': '2222222222'}
'timestamp': '2000000000'}
serialized_vote2 = utils.serialize(vote2_doc['vote']).encode()
assert vote2_doc['node_pubkey'] == b.me
@ -498,15 +498,15 @@ def test_voter_considers_unvoted_blocks_when_single_node(monkeypatch, b):
outpipe = Pipe()
monkeypatch.setattr('time.time', lambda: 1111111111)
monkeypatch.setattr('time.time', lambda: 1000000000)
block_ids = []
# insert blocks in the database while the voter process is not listening
# (these blocks won't appear in the changefeed)
monkeypatch.setattr('time.time', lambda: 2222222222)
monkeypatch.setattr('time.time', lambda: 1000000020)
block_1 = dummy_block(b)
block_ids.append(block_1.id)
monkeypatch.setattr('time.time', lambda: 3333333333)
monkeypatch.setattr('time.time', lambda: 1000000030)
b.write_block(block_1)
block_2 = dummy_block(b)
block_ids.append(block_2.id)
@ -522,7 +522,7 @@ def test_voter_considers_unvoted_blocks_when_single_node(monkeypatch, b):
outpipe.get()
# create a new block that will appear in the changefeed
monkeypatch.setattr('time.time', lambda: 4444444444)
monkeypatch.setattr('time.time', lambda: 1000000040)
block_3 = dummy_block(b)
block_ids.append(block_3.id)
b.write_block(block_3)
@ -546,15 +546,15 @@ def test_voter_chains_blocks_with_the_previous_ones(monkeypatch, b):
outpipe = Pipe()
monkeypatch.setattr('time.time', lambda: 1111111111)
monkeypatch.setattr('time.time', lambda: 1000000000)
block_ids = []
monkeypatch.setattr('time.time', lambda: 2222222222)
monkeypatch.setattr('time.time', lambda: 1000000020)
block_1 = dummy_block(b)
block_ids.append(block_1.id)
b.write_block(block_1)
monkeypatch.setattr('time.time', lambda: 3333333333)
monkeypatch.setattr('time.time', lambda: 1000000030)
block_2 = dummy_block(b)
block_ids.append(block_2.id)
b.write_block(block_2)
@ -588,9 +588,9 @@ def test_voter_checks_for_previous_vote(monkeypatch, b):
inpipe = Pipe()
outpipe = Pipe()
monkeypatch.setattr('time.time', lambda: 1111111111)
monkeypatch.setattr('time.time', lambda: 1000000000)
monkeypatch.setattr('time.time', lambda: 2222222222)
monkeypatch.setattr('time.time', lambda: 1000000020)
block_1 = dummy_block(b)
inpipe.put(block_1.to_dict())
assert len(list(query.get_votes_by_block_id(b.connection, block_1.id))) == 0
@ -603,11 +603,11 @@ def test_voter_checks_for_previous_vote(monkeypatch, b):
outpipe.get()
# queue block for voting AGAIN
monkeypatch.setattr('time.time', lambda: 3333333333)
monkeypatch.setattr('time.time', lambda: 1000000030)
inpipe.put(block_1.to_dict())
# queue another block
monkeypatch.setattr('time.time', lambda: 4444444444)
monkeypatch.setattr('time.time', lambda: 1000000040)
block_2 = dummy_block(b)
inpipe.put(block_2.to_dict())

5
tests/test_config_utils.py
View File

@ -102,7 +102,10 @@ def test_env_config(monkeypatch):
def test_autoconfigure_read_both_from_file_and_env(monkeypatch, request):
file_config = {
'database': {'host': 'test-host'},
'database': {
'host': 'test-host',
'backend': request.config.getoption('--database-backend')
},
'backlog_reassign_delay': 5
}
monkeypatch.setattr('bigchaindb.config_utils.file_config', lambda *args, **kwargs: file_config)