def get_transaction_by_rid(self, selector, wif=None, bulletin_secret=None, rid=False, raw=False,
theirs=False, my=False, public_key=None):
# from block import Block
# from transaction import Transaction
from yadacoin.crypt import Crypt
if not rid:
ds = bulletin_secret
selectors = [
TU.hash(ds + selector),
TU.hash(selector + ds)
]
else:
if not isinstance(selector, list):
selectors = [selector, ]
else:
selectors = selector
def txn_gen():
res = self.mongo.db.blocks.find(
{"transactions": {"$elemMatch": {"relationship": {"$ne": ""}, "rid": {"$in": selectors}}}})
for x in res:
yield x
res = self.mongo.db.fastgraph_transactions.find(
{"txn": {"$elemMatch": {"relationship": {"$ne": ""}, "rid": {"$in": selectors}}}})
for x in res:
yield x
for block in txn_gen():
for transaction in block.get('transactions'):
if theirs and public_key == transaction['public_key']:
continue
if my and public_key != transaction['public_key']:
continue
if not raw:
try:
cipher = Crypt(wif)
decrypted = cipher.decrypt(transaction['relationship'])
relationship = json.loads(decrypted.decode('latin1'))
transaction['relationship'] = relationship
except:
continue
if 'rid' in transaction and transaction['rid'] in selectors:
return transaction
def get_transactions_by_rid(self, selector, bulletin_secret, wif=None, rid=False, raw=False,
returnheight=True, lt_block_height=None, requested_rid=False):
# selectors is old code before we got an RID by sorting the bulletin secrets
# from block import Block
# from transaction import Transaction
from yadacoin.crypt import Crypt
if not rid:
ds = bulletin_secret
selectors = [
TU.hash(ds + selector),
TU.hash(selector + ds)
]
else:
if not isinstance(selector, list):
selectors = [selector, ]
else:
selectors = selector
transactions_by_rid_cache = self.mongo.db.transactions_by_rid_cache.find(
{
'raw': raw,
'rid': rid,
'bulletin_secret': bulletin_secret,
'returnheight': returnheight,
'selector': {'$in': selectors},
'requested_rid': requested_rid
}
).sort([('height', -1)])
latest_block = self.config.BU.get_latest_block()
transactions = []
if lt_block_height:
query = {"transactions.rid": {"$in": selectors}, "transactions": {"$elemMatch": {"relationship": {"$ne": ""}}},
'index': {'$lte': lt_block_height}}
if requested_rid:
query["transactions.requested_rid"] = {"$in": selectors}
blocks = self.mongo.db.blocks.find(query)
else:
if transactions_by_rid_cache.count():
transactions_by_rid_cache = transactions_by_rid_cache[0]
block_height = transactions_by_rid_cache['height']
else:
block_height = 0
query = {"transactions.rid": {"$in": selectors}, "transactions": {"$elemMatch": {"relationship": {"$ne": ""}}},
'index': {'$gt': block_height}}
if requested_rid:
query = {
"$or": [
{
"transactions.rid": {
"$in": selectors
}
},
{
"transactions.requested_rid": {
"$in": selectors
}
}
],
"transactions": {
"$elemMatch": {
"relationship": {
"$ne": ""
}
}
},
'index': {
'$gt': block_height
}
}
else:
query = {
"transactions.rid": {
"$in": selectors
},
"transactions": {
"$elemMatch": {
"relationship": {
"$ne": ""
}
}
},
'index': {
'$gt': block_height
}
}
blocks = self.mongo.db.blocks.find(query)
cipher = Crypt(self.config.wif)
for block in blocks:
for transaction in block.get('transactions'):
if 'relationship' in transaction and transaction['relationship']:
if returnheight:
transaction['height'] = block['index']
if not raw:
try:
decrypted = cipher.decrypt(transaction['relationship'])
relationship = json.loads(decrypted.decode('latin1'))
transaction['relationship'] = relationship
except:
continue
for selector in selectors:
self.app_log.debug('caching transactions_by_rid at height: {}'.format(block['index']))
self.mongo.db.transactions_by_rid_cache.insert(
{
'raw': raw,
'rid': rid,
'bulletin_secret': bulletin_secret,
'returnheight': returnheight,
'selector': selector,
'txn': transaction,
'height': block['index'],
'requested_rid': requested_rid
}
)
transactions.append(transaction)
if not transactions:
for selector in selectors:
self.mongo.db.transactions_by_rid_cache.insert(
{
'raw': raw,
'rid': rid,
'bulletin_secret': bulletin_secret,
'returnheight': returnheight,
'selector': selector,
'height': latest_block['index'],
'requested_rid': requested_rid
}
)
for ftxn in self.mongo.db.fastgraph_transactions.find({'txn.rid': {'$in': selectors}}):
if 'txn' in ftxn:
yield ftxn['txn']
last_id = ''
for x in self.mongo.db.transactions_by_rid_cache.find({
'raw': raw,
'rid': rid,
'returnheight': returnheight,
'selector': {'$in': selectors},
'requested_rid': requested_rid
}).sort([('txn.id', 1)]):
if 'txn' in x and x['txn']['id'] != last_id:
last_id = x['txn']['id']
yield x['txn']