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Switch to get_tx_by_payload_uuid

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Shaun Stanworth 2016-07-01 11:16:57 +01:00
parent 09e840faff
commit b0350c521b
2 changed files with 6 additions and 10 deletions
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12
bigchaindb/core.py
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@ -217,18 +217,18 @@ class Bigchain(object):
else: else:
return None return None
def get_tx_by_payload_hash(self, payload_hash): def get_tx_by_payload_uuid(self, payload_uuid):
"""Retrieves transactions related to a digital asset. """Retrieves transactions related to a digital asset.
When creating a transaction one of the optional arguments is the `payload`. The payload is a generic When creating a transaction one of the optional arguments is the `payload`. The payload is a generic
dict that contains information about the digital asset. dict that contains information about the digital asset.
To make it easy to query the bigchain for that digital asset we create a sha3-256 hash of the To make it easy to query the bigchain for that digital asset we create a UUID for the payload and
serialized payload and store it with the transaction. This makes it easy for developers to keep track store it with the transaction. This makes it easy for developers to keep track of their digital
of their digital assets in bigchain. assets in bigchain.
Args: Args:
payload_hash (str): sha3-256 hash of the serialized payload. payload_uuid (str): the UUID for this particular payload.
Returns: Returns:
A list of transactions containing that payload. If no transaction exists with that payload it A list of transactions containing that payload. If no transaction exists with that payload it
@ -236,7 +236,7 @@ class Bigchain(object):
""" """
cursor = r.table('bigchain') \ cursor = r.table('bigchain') \
.get_all(payload_hash, index='payload_hash') \ .get_all(payload_uuid, index='payload_uuid') \
.run(self.conn) .run(self.conn)
transactions = list(cursor) transactions = list(cursor)

4
bigchaindb/db/utils.py
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@ -56,10 +56,6 @@ def init():
r.db(dbname).table('bigchain')\ r.db(dbname).table('bigchain')\
.index_create('payload_uuid', r.row['block']['transactions']['transaction']['data']['uuid'], multi=True)\ .index_create('payload_uuid', r.row['block']['transactions']['transaction']['data']['uuid'], multi=True)\
.run(conn) .run(conn)
# secondary index for payload hash
r.db(dbname).table('bigchain')\
.index_create('payload_hash', r.row['block']['transactions']['transaction']['data']['hash'], multi=True)\
.run(conn)
# wait for rethinkdb to finish creating secondary indexes # wait for rethinkdb to finish creating secondary indexes
r.db(dbname).table('backlog').index_wait().run(conn) r.db(dbname).table('backlog').index_wait().run(conn)