mirror of
https://github.com/bigchaindb/bigchaindb.git
synced 2024-10-13 13:34:05 +00:00
037b5110fe
for creating/signing/verifying instead of the functions in utils.py -- those are now only called by the the BaseConsensusRules class in consensus.py.
70 lines
1.8 KiB
Python
70 lines
1.8 KiB
Python
"""This module provides the blueprint for some basic API endpoints.
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For more information please refer to the documentation in Apiary:
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- http://docs.bigchaindb.apiary.io/
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"""
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import flask
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from flask import current_app, request, Blueprint
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from bigchaindb import util
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basic_views = Blueprint('basic_views', __name__)
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@basic_views.record
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def get_bigchain(state):
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bigchain = state.app.config.get('bigchain')
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if bigchain is None:
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raise Exception('This blueprint expects you to provide '
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'database access through `bigchain`')
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@basic_views.route('/transactions/<tx_id>')
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def get_transaction(tx_id):
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"""API endpoint to get details about a transaction.
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Args:
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tx_id (str): the id of the transaction.
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Return:
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A JSON string containing the data about the transaction.
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"""
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bigchain = current_app.config['bigchain']
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tx = bigchain.get_transaction(tx_id)
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return flask.jsonify(**tx)
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@basic_views.route('/transactions/', methods=['POST'])
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def create_transaction():
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"""API endpoint to push transactions to the Federation.
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Return:
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A JSON string containing the data about the transaction.
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"""
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bigchain = current_app.config['bigchain']
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val = {}
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# `force` will try to format the body of the POST request even if the `content-type` header is not
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# set to `application/json`
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tx = request.get_json(force=True)
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if tx['transaction']['operation'] == 'CREATE':
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tx = util.transform_create(tx)
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tx = bigchain.consensus.sign_transaction(
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tx, private_key=bigchain.me_private)
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if not bigchain.consensus.verify_signature(tx):
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val['error'] = 'Invalid transaction signature'
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val = bigchain.write_transaction(tx)
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return flask.jsonify(**tx)
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