mirror of
https://github.com/bigchaindb/bigchaindb.git
synced 2024-10-13 13:34:05 +00:00
e27c1e9cef
* Aggregate transaction ids for commit hash * Setup chain and return commit hash to tendermint * Fix function naming
80 lines
2.0 KiB
Python
80 lines
2.0 KiB
Python
"""Query implementation for MongoDB"""
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from bigchaindb import backend
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from bigchaindb.backend.exceptions import DuplicateKeyError
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from bigchaindb.backend.utils import module_dispatch_registrar
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from bigchaindb.backend.localmongodb.connection import LocalMongoDBConnection
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from pymongo import DESCENDING
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register_query = module_dispatch_registrar(backend.query)
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@register_query(LocalMongoDBConnection)
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def store_transaction(conn, signed_transaction):
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try:
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return conn.run(
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conn.collection('transactions')
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.insert_one(signed_transaction))
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except DuplicateKeyError:
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pass
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@register_query(LocalMongoDBConnection)
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def get_transaction(conn, transaction_id):
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try:
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return conn.run(
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conn.collection('transactions')
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.find_one({'id': transaction_id}, {'_id': 0}))
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except IndexError:
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pass
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@register_query(LocalMongoDBConnection)
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def store_asset(conn, asset):
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try:
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return conn.run(
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conn.collection('assets')
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.insert_one(asset))
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except DuplicateKeyError:
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pass
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@register_query(LocalMongoDBConnection)
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def get_asset(conn, asset_id):
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try:
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return conn.run(
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conn.collection('assets')
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.find_one({'id': asset_id}, {'_id': 0, 'id': 0}))
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except IndexError:
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pass
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@register_query(LocalMongoDBConnection)
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def get_spent(conn, transaction_id, output):
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try:
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return conn.run(
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conn.collection('transactions')
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.find_one({'id': transaction_id,
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'inputs.fulfills.output_index': output},
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{'_id': 0}))
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except IndexError:
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pass
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@register_query(LocalMongoDBConnection)
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def get_latest_block(conn):
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return conn.run(
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conn.collection('blocks')
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.find_one(sort=[('height', DESCENDING)]))
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@register_query(LocalMongoDBConnection)
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def store_block(conn, block):
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try:
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return conn.run(
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conn.collection('blocks')
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.insert_one(block))
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except DuplicateKeyError:
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pass
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