code stringlengths 66 870k | docstring stringlengths 19 26.7k | func_name stringlengths 1 138 | language stringclasses 1
value | repo stringlengths 7 68 | path stringlengths 5 324 | url stringlengths 46 389 | license stringclasses 7
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def update_types(config, reference, list_sep=':'):
"""Return a new configuration where all the values types
are aligned with the ones in the default configuration
"""
def _coerce(current, value):
# Coerce a value to the `current` type.
try:
# First we try to apply current to... | Return a new configuration where all the values types
are aligned with the ones in the default configuration
| update_types | python | bigchaindb/bigchaindb | bigchaindb/config_utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/config_utils.py | Apache-2.0 |
def set_config(config):
"""Set bigchaindb.config equal to the default config dict,
then update that with whatever is in the provided config dict,
and then set bigchaindb.config['CONFIGURED'] = True
Args:
config (dict): the config dict to read for changes
to the default co... | Set bigchaindb.config equal to the default config dict,
then update that with whatever is in the provided config dict,
and then set bigchaindb.config['CONFIGURED'] = True
Args:
config (dict): the config dict to read for changes
to the default config
Note:
Any pre... | set_config | python | bigchaindb/bigchaindb | bigchaindb/config_utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/config_utils.py | Apache-2.0 |
def update_config(config):
"""Update bigchaindb.config with whatever is in the provided config dict,
and then set bigchaindb.config['CONFIGURED'] = True
Args:
config (dict): the config dict to read for changes
to the default config
"""
# Update the default config wit... | Update bigchaindb.config with whatever is in the provided config dict,
and then set bigchaindb.config['CONFIGURED'] = True
Args:
config (dict): the config dict to read for changes
to the default config
| update_config | python | bigchaindb/bigchaindb | bigchaindb/config_utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/config_utils.py | Apache-2.0 |
def write_config(config, filename=None):
"""Write the provided configuration to a specific location.
Args:
config (dict): a dictionary with the configuration to load.
filename (str): the name of the file that will store the new configuration. Defaults to ``None``.
If ``None``, the H... | Write the provided configuration to a specific location.
Args:
config (dict): a dictionary with the configuration to load.
filename (str): the name of the file that will store the new configuration. Defaults to ``None``.
If ``None``, the HOME of the current user and the string ``.bigcha... | write_config | python | bigchaindb/bigchaindb | bigchaindb/config_utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/config_utils.py | Apache-2.0 |
def autoconfigure(filename=None, config=None, force=False):
"""Run ``file_config`` and ``env_config`` if the module has not
been initialized.
"""
if not force and is_configured():
logger.debug('System already configured, skipping autoconfiguration')
return
# start with the current c... | Run ``file_config`` and ``env_config`` if the module has not
been initialized.
| autoconfigure | python | bigchaindb/bigchaindb | bigchaindb/config_utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/config_utils.py | Apache-2.0 |
def load_validation_plugin(name=None):
"""Find and load the chosen validation plugin.
Args:
name (string): the name of the entry_point, as advertised in the
setup.py of the providing package.
Returns:
an uninstantiated subclass of ``bigchaindb.validation.AbstractValidationRules... | Find and load the chosen validation plugin.
Args:
name (string): the name of the entry_point, as advertised in the
setup.py of the providing package.
Returns:
an uninstantiated subclass of ``bigchaindb.validation.AbstractValidationRules``
| load_validation_plugin | python | bigchaindb/bigchaindb | bigchaindb/config_utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/config_utils.py | Apache-2.0 |
def init_chain(self, genesis):
"""Initialize chain upon genesis or a migration"""
app_hash = ''
height = 0
known_chain = self.bigchaindb.get_latest_abci_chain()
if known_chain is not None:
chain_id = known_chain['chain_id']
if known_chain['is_synced']:
... | Initialize chain upon genesis or a migration | init_chain | python | bigchaindb/bigchaindb | bigchaindb/core.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/core.py | Apache-2.0 |
def check_tx(self, raw_transaction):
"""Validate the transaction before entry into
the mempool.
Args:
raw_tx: a raw string (in bytes) transaction.
"""
self.abort_if_abci_chain_is_not_synced()
logger.debug('check_tx: %s', raw_transaction)
transaction... | Validate the transaction before entry into
the mempool.
Args:
raw_tx: a raw string (in bytes) transaction.
| check_tx | python | bigchaindb/bigchaindb | bigchaindb/core.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/core.py | Apache-2.0 |
def begin_block(self, req_begin_block):
"""Initialize list of transaction.
Args:
req_begin_block: block object which contains block header
and block hash.
"""
self.abort_if_abci_chain_is_not_synced()
chain_shift = 0 if self.chain is None else self.chain['... | Initialize list of transaction.
Args:
req_begin_block: block object which contains block header
and block hash.
| begin_block | python | bigchaindb/bigchaindb | bigchaindb/core.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/core.py | Apache-2.0 |
def deliver_tx(self, raw_transaction):
"""Validate the transaction before mutating the state.
Args:
raw_tx: a raw string (in bytes) transaction.
"""
self.abort_if_abci_chain_is_not_synced()
logger.debug('deliver_tx: %s', raw_transaction)
transaction = self.... | Validate the transaction before mutating the state.
Args:
raw_tx: a raw string (in bytes) transaction.
| deliver_tx | python | bigchaindb/bigchaindb | bigchaindb/core.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/core.py | Apache-2.0 |
def end_block(self, request_end_block):
"""Calculate block hash using transaction ids and previous block
hash to be stored in the next block.
Args:
height (int): new height of the chain.
"""
self.abort_if_abci_chain_is_not_synced()
chain_shift = 0 if self.c... | Calculate block hash using transaction ids and previous block
hash to be stored in the next block.
Args:
height (int): new height of the chain.
| end_block | python | bigchaindb/bigchaindb | bigchaindb/core.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/core.py | Apache-2.0 |
def commit(self):
"""Store the new height and along with block hash."""
self.abort_if_abci_chain_is_not_synced()
data = self.block_txn_hash.encode('utf-8')
# register a new block only when new transactions are received
if self.block_txn_ids:
self.bigchaindb.store_b... | Store the new height and along with block hash. | commit | python | bigchaindb/bigchaindb | bigchaindb/core.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/core.py | Apache-2.0 |
def __init__(self, event_type, event_data):
"""Creates a new event.
Args:
event_type (int): the type of the event, see
:class:`~bigchaindb.events.EventTypes`
event_data (obj): the data of the event.
"""
self.type = event_type
self.data = ... | Creates a new event.
Args:
event_type (int): the type of the event, see
:class:`~bigchaindb.events.EventTypes`
event_data (obj): the data of the event.
| __init__ | python | bigchaindb/bigchaindb | bigchaindb/events.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/events.py | Apache-2.0 |
def get_subscriber_queue(self, event_types=None):
"""Create a new queue for a specific combination of event types
and return it.
Returns:
a :class:`multiprocessing.Queue`.
Raises:
RuntimeError if called after `run`
"""
try:
self.start... | Create a new queue for a specific combination of event types
and return it.
Returns:
a :class:`multiprocessing.Queue`.
Raises:
RuntimeError if called after `run`
| get_subscriber_queue | python | bigchaindb/bigchaindb | bigchaindb/events.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/events.py | Apache-2.0 |
def dispatch(self, event):
"""Given an event, send it to all the subscribers.
Args
event (:class:`~bigchaindb.events.EventTypes`): the event to
dispatch to all the subscribers.
"""
for event_types, queues in self.queues.items():
if event.type & e... | Given an event, send it to all the subscribers.
Args
event (:class:`~bigchaindb.events.EventTypes`): the event to
dispatch to all the subscribers.
| dispatch | python | bigchaindb/bigchaindb | bigchaindb/events.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/events.py | Apache-2.0 |
def filter_spent_outputs(self, outputs):
"""Remove outputs that have been spent
Args:
outputs: list of TransactionLink
"""
links = [o.to_dict() for o in outputs]
txs = list(query.get_spending_transactions(self.connection, links))
spends = {TransactionLink.fro... | Remove outputs that have been spent
Args:
outputs: list of TransactionLink
| filter_spent_outputs | python | bigchaindb/bigchaindb | bigchaindb/fastquery.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/fastquery.py | Apache-2.0 |
def filter_unspent_outputs(self, outputs):
"""Remove outputs that have not been spent
Args:
outputs: list of TransactionLink
"""
links = [o.to_dict() for o in outputs]
txs = list(query.get_spending_transactions(self.connection, links))
spends = {TransactionLi... | Remove outputs that have not been spent
Args:
outputs: list of TransactionLink
| filter_unspent_outputs | python | bigchaindb/bigchaindb | bigchaindb/fastquery.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/fastquery.py | Apache-2.0 |
def __init__(self, connection=None):
"""Initialize the Bigchain instance
A Bigchain instance has several configuration parameters (e.g. host).
If a parameter value is passed as an argument to the Bigchain
__init__ method, then that is the value it will have.
Otherwise, the param... | Initialize the Bigchain instance
A Bigchain instance has several configuration parameters (e.g. host).
If a parameter value is passed as an argument to the Bigchain
__init__ method, then that is the value it will have.
Otherwise, the parameter value will come from an environment variabl... | __init__ | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def update_utxoset(self, transaction):
"""Update the UTXO set given ``transaction``. That is, remove
the outputs that the given ``transaction`` spends, and add the
outputs that the given ``transaction`` creates.
Args:
transaction (:obj:`~bigchaindb.models.Transaction`): A ne... | Update the UTXO set given ``transaction``. That is, remove
the outputs that the given ``transaction`` spends, and add the
outputs that the given ``transaction`` creates.
Args:
transaction (:obj:`~bigchaindb.models.Transaction`): A new
transaction incoming into the sy... | update_utxoset | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def store_unspent_outputs(self, *unspent_outputs):
"""Store the given ``unspent_outputs`` (utxos).
Args:
*unspent_outputs (:obj:`tuple` of :obj:`dict`): Variable
length tuple or list of unspent outputs.
"""
if unspent_outputs:
return backend.query... | Store the given ``unspent_outputs`` (utxos).
Args:
*unspent_outputs (:obj:`tuple` of :obj:`dict`): Variable
length tuple or list of unspent outputs.
| store_unspent_outputs | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def get_unspent_outputs(self):
"""Get the utxoset.
Returns:
generator of unspent_outputs.
"""
cursor = backend.query.get_unspent_outputs(self.connection)
return (record for record in cursor) | Get the utxoset.
Returns:
generator of unspent_outputs.
| get_unspent_outputs | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def delete_unspent_outputs(self, *unspent_outputs):
"""Deletes the given ``unspent_outputs`` (utxos).
Args:
*unspent_outputs (:obj:`tuple` of :obj:`dict`): Variable
length tuple or list of unspent outputs.
"""
if unspent_outputs:
return backend.qu... | Deletes the given ``unspent_outputs`` (utxos).
Args:
*unspent_outputs (:obj:`tuple` of :obj:`dict`): Variable
length tuple or list of unspent outputs.
| delete_unspent_outputs | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def get_transactions_filtered(self, asset_id, operation=None, last_tx=None):
"""Get a list of transactions filtered on some criteria
"""
txids = backend.query.get_txids_filtered(self.connection, asset_id,
operation, last_tx)
for txid in tx... | Get a list of transactions filtered on some criteria
| get_transactions_filtered | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def get_outputs_filtered(self, owner, spent=None):
"""Get a list of output links filtered on some criteria
Args:
owner (str): base58 encoded public_key.
spent (bool): If ``True`` return only the spent outputs. If
``False`` return only unspent outputs. I... | Get a list of output links filtered on some criteria
Args:
owner (str): base58 encoded public_key.
spent (bool): If ``True`` return only the spent outputs. If
``False`` return only unspent outputs. If spent is
not specified (``None``) ... | get_outputs_filtered | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def get_block(self, block_id):
"""Get the block with the specified `block_id`.
Returns the block corresponding to `block_id` or None if no match is
found.
Args:
block_id (int): block id of the block to get.
"""
block = backend.query.get_block(self.connectio... | Get the block with the specified `block_id`.
Returns the block corresponding to `block_id` or None if no match is
found.
Args:
block_id (int): block id of the block to get.
| get_block | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def get_block_containing_tx(self, txid):
"""Retrieve the list of blocks (block ids) containing a
transaction with transaction id `txid`
Args:
txid (str): transaction id of the transaction to query
Returns:
Block id list (list(int))
"""
blocks ... | Retrieve the list of blocks (block ids) containing a
transaction with transaction id `txid`
Args:
txid (str): transaction id of the transaction to query
Returns:
Block id list (list(int))
| get_block_containing_tx | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def validate_transaction(self, tx, current_transactions=[]):
"""Validate a transaction against the current status of the database."""
transaction = tx
# CLEANUP: The conditional below checks for transaction in dict format.
# It would be better to only have a single format for the trans... | Validate a transaction against the current status of the database. | validate_transaction | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def migrate_abci_chain(self):
"""Generate and record a new ABCI chain ID. New blocks are not
accepted until we receive an InitChain ABCI request with
the matching chain ID and validator set.
Chain ID is generated based on the current chain and height.
`chain-X` => `chain-X-migra... | Generate and record a new ABCI chain ID. New blocks are not
accepted until we receive an InitChain ABCI request with
the matching chain ID and validator set.
Chain ID is generated based on the current chain and height.
`chain-X` => `chain-X-migrated-at-height-5`.
`chain-X-migrat... | migrate_abci_chain | python | bigchaindb/bigchaindb | bigchaindb/lib.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/lib.py | Apache-2.0 |
def setup_logging():
"""Function to configure log hadlers.
.. important::
Configuration, if needed, should be applied before invoking this
decorator, as starting the subscriber process for logging will
configure the root logger for the child process based on the
state of :obj:`... | Function to configure log hadlers.
.. important::
Configuration, if needed, should be applied before invoking this
decorator, as starting the subscriber process for logging will
configure the root logger for the child process based on the
state of :obj:`bigchaindb.config` at the mo... | setup_logging | python | bigchaindb/bigchaindb | bigchaindb/log.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/log.py | Apache-2.0 |
def validate(self, bigchain, current_transactions=[]):
"""Validate transaction spend
Args:
bigchain (BigchainDB): an instantiated bigchaindb.BigchainDB object.
Returns:
The transaction (Transaction) if the transaction is valid else it
raises an exception descr... | Validate transaction spend
Args:
bigchain (BigchainDB): an instantiated bigchaindb.BigchainDB object.
Returns:
The transaction (Transaction) if the transaction is valid else it
raises an exception describing the reason why the transaction is
invalid.
... | validate | python | bigchaindb/bigchaindb | bigchaindb/models.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/models.py | Apache-2.0 |
def merkleroot(hashes):
"""Computes the merkle root for a given list.
Args:
hashes (:obj:`list` of :obj:`bytes`): The leaves of the tree.
Returns:
str: Merkle root in hexadecimal form.
"""
# XXX TEMPORARY -- MUST REVIEW and possibly CHANGE
# The idea here is that the UTXO SET ... | Computes the merkle root for a given list.
Args:
hashes (:obj:`list` of :obj:`bytes`): The leaves of the tree.
Returns:
str: Merkle root in hexadecimal form.
| merkleroot | python | bigchaindb/bigchaindb | bigchaindb/tendermint_utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/tendermint_utils.py | Apache-2.0 |
def public_key64_to_address(base64_public_key):
"""Note this only compatible with Tendermint 0.19.x"""
ed25519_public_key = public_key_from_base64(base64_public_key)
encoded_public_key = amino_encoded_public_key(ed25519_public_key)
return hashlib.new('ripemd160', encoded_public_key).hexdigest().upper() | Note this only compatible with Tendermint 0.19.x | public_key64_to_address | python | bigchaindb/bigchaindb | bigchaindb/tendermint_utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/tendermint_utils.py | Apache-2.0 |
def condition_details_has_owner(condition_details, owner):
"""Check if the public_key of owner is in the condition details
as an Ed25519Fulfillment.public_key
Args:
condition_details (dict): dict with condition details
owner (str): base58 public key of owner
Returns:
bool: True... | Check if the public_key of owner is in the condition details
as an Ed25519Fulfillment.public_key
Args:
condition_details (dict): dict with condition details
owner (str): base58 public key of owner
Returns:
bool: True if the public key is found in the condition details, False otherw... | condition_details_has_owner | python | bigchaindb/bigchaindb | bigchaindb/utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/utils.py | Apache-2.0 |
def run(self, instance):
"""Run the recorded chain of methods on `instance`.
Args:
instance: an object.
"""
last = instance
for item in self.stack:
if isinstance(item, str):
last = getattr(last, item)
else:
la... | Run the recorded chain of methods on `instance`.
Args:
instance: an object.
| run | python | bigchaindb/bigchaindb | bigchaindb/utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/utils.py | Apache-2.0 |
def tendermint_version_is_compatible(running_tm_ver):
"""
Check Tendermint compatability with BigchainDB server
:param running_tm_ver: Version number of the connected Tendermint instance
:type running_tm_ver: str
:return: True/False depending on the compatability with BigchainDB server
:rtype: ... |
Check Tendermint compatability with BigchainDB server
:param running_tm_ver: Version number of the connected Tendermint instance
:type running_tm_ver: str
:return: True/False depending on the compatability with BigchainDB server
:rtype: bool
| tendermint_version_is_compatible | python | bigchaindb/bigchaindb | bigchaindb/utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/utils.py | Apache-2.0 |
def connect(backend=None, host=None, port=None, name=None, max_tries=None,
connection_timeout=None, replicaset=None, ssl=None, login=None, password=None,
ca_cert=None, certfile=None, keyfile=None, keyfile_passphrase=None,
crlfile=None):
"""Create a new connection to the database ... | Create a new connection to the database backend.
All arguments default to the current configuration's values if not
given.
Args:
backend (str): the name of the backend to use.
host (str): the host to connect to.
port (int): the port to connect to.
name (str): the name of th... | connect | python | bigchaindb/bigchaindb | bigchaindb/backend/connection.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/backend/connection.py | Apache-2.0 |
def __init__(self, host=None, port=None, dbname=None,
connection_timeout=None, max_tries=None,
**kwargs):
"""Create a new :class:`~.Connection` instance.
Args:
host (str): the host to connect to.
port (int): the port to connect to.
d... | Create a new :class:`~.Connection` instance.
Args:
host (str): the host to connect to.
port (int): the port to connect to.
dbname (str): the name of the database to use.
connection_timeout (int, optional): the milliseconds to wait
until timing out... | __init__ | python | bigchaindb/bigchaindb | bigchaindb/backend/connection.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/backend/connection.py | Apache-2.0 |
def init_database(connection=None, dbname=None):
"""Initialize the configured backend for use with BigchainDB.
Creates a database with :attr:`dbname` with any required tables
and supporting indexes.
Args:
connection (:class:`~bigchaindb.backend.connection.Connection`): an
existing ... | Initialize the configured backend for use with BigchainDB.
Creates a database with :attr:`dbname` with any required tables
and supporting indexes.
Args:
connection (:class:`~bigchaindb.backend.connection.Connection`): an
existing connection to use to initialize the database.
... | init_database | python | bigchaindb/bigchaindb | bigchaindb/backend/schema.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/backend/schema.py | Apache-2.0 |
def validate_language_key(obj, key):
"""Validate all nested "language" key in `obj`.
Args:
obj (dict): dictionary whose "language" key is to be validated.
Returns:
None: validation successful
Raises:
ValidationError: will raise exception in case language is... | Validate all nested "language" key in `obj`.
Args:
obj (dict): dictionary whose "language" key is to be validated.
Returns:
None: validation successful
Raises:
ValidationError: will raise exception in case language is not valid.
| validate_language_key | python | bigchaindb/bigchaindb | bigchaindb/backend/schema.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/backend/schema.py | Apache-2.0 |
def validate_language(value):
"""Check if `value` is a valid language.
https://docs.mongodb.com/manual/reference/text-search-languages/
Args:
value (str): language to validated
Returns:
None: validation successful
Raises:
ValidationError: will ra... | Check if `value` is a valid language.
https://docs.mongodb.com/manual/reference/text-search-languages/
Args:
value (str): language to validated
Returns:
None: validation successful
Raises:
ValidationError: will raise exception in case language is not... | validate_language | python | bigchaindb/bigchaindb | bigchaindb/backend/schema.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/backend/schema.py | Apache-2.0 |
def __init__(self, replicaset=None, ssl=None, login=None, password=None,
ca_cert=None, certfile=None, keyfile=None,
keyfile_passphrase=None, crlfile=None, **kwargs):
"""Create a new Connection instance.
Args:
replicaset (str, optional): the name of the repl... | Create a new Connection instance.
Args:
replicaset (str, optional): the name of the replica set to
connect to.
**kwargs: arbitrary keyword arguments provided by the
configuration's ``database`` settings
| __init__ | python | bigchaindb/bigchaindb | bigchaindb/backend/localmongodb/connection.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/backend/localmongodb/connection.py | Apache-2.0 |
def _connect(self):
"""Try to connect to the database.
Raises:
:exc:`~ConnectionError`: If the connection to the database
fails.
:exc:`~AuthenticationError`: If there is a OperationFailure due to
Authentication failure after connecting to the data... | Try to connect to the database.
Raises:
:exc:`~ConnectionError`: If the connection to the database
fails.
:exc:`~AuthenticationError`: If there is a OperationFailure due to
Authentication failure after connecting to the database.
:exc:`~Config... | _connect | python | bigchaindb/bigchaindb | bigchaindb/backend/localmongodb/connection.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/backend/localmongodb/connection.py | Apache-2.0 |
def run_configure(args):
"""Run a script to configure the current node."""
config_path = args.config or bigchaindb.config_utils.CONFIG_DEFAULT_PATH
config_file_exists = False
# if the config path is `-` then it's stdout
if config_path != '-':
config_file_exists = os.path.exists(config_path)... | Run a script to configure the current node. | run_configure | python | bigchaindb/bigchaindb | bigchaindb/commands/bigchaindb.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/commands/bigchaindb.py | Apache-2.0 |
def run_election_new_upsert_validator(args, bigchain):
"""Initiates an election to add/update/remove a validator to an existing BigchainDB network
:param args: dict
args = {
'public_key': the public key of the proposed peer, (str)
'power': the proposed validator power for the new peer, ... | Initiates an election to add/update/remove a validator to an existing BigchainDB network
:param args: dict
args = {
'public_key': the public key of the proposed peer, (str)
'power': the proposed validator power for the new peer, (str)
'node_id': the node_id of the new peer (str)
... | run_election_new_upsert_validator | python | bigchaindb/bigchaindb | bigchaindb/commands/bigchaindb.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/commands/bigchaindb.py | Apache-2.0 |
def run_election_approve(args, bigchain):
"""Approve an election
:param args: dict
args = {
'election_id': the election_id of the election (str)
'sk': the path to the private key of the signer (str)
}
:param bigchain: an instance of BigchainDB
:return: success log messag... | Approve an election
:param args: dict
args = {
'election_id': the election_id of the election (str)
'sk': the path to the private key of the signer (str)
}
:param bigchain: an instance of BigchainDB
:return: success log message or `False` in case of error
| run_election_approve | python | bigchaindb/bigchaindb | bigchaindb/commands/bigchaindb.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/commands/bigchaindb.py | Apache-2.0 |
def run_election_show(args, bigchain):
"""Retrieves information about an election
:param args: dict
args = {
'election_id': the transaction_id for an election (str)
}
:param bigchain: an instance of BigchainDB
"""
election = bigchain.get_transaction(args.election_id)
if... | Retrieves information about an election
:param args: dict
args = {
'election_id': the transaction_id for an election (str)
}
:param bigchain: an instance of BigchainDB
| run_election_show | python | bigchaindb/bigchaindb | bigchaindb/commands/bigchaindb.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/commands/bigchaindb.py | Apache-2.0 |
def run_start(args):
"""Start the processes to run the node"""
# Configure Logging
setup_logging()
logger.info('BigchainDB Version %s', bigchaindb.__version__)
run_recover(bigchaindb.lib.BigchainDB())
if not args.skip_initialize_database:
logger.info('Initializing database')
_... | Start the processes to run the node | run_start | python | bigchaindb/bigchaindb | bigchaindb/commands/bigchaindb.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/commands/bigchaindb.py | Apache-2.0 |
def configure_bigchaindb(command):
"""Decorator to be used by command line functions, such that the
configuration of bigchaindb is performed before the execution of
the command.
Args:
command: The command to decorate.
Returns:
The command wrapper function.
"""
@functools.w... | Decorator to be used by command line functions, such that the
configuration of bigchaindb is performed before the execution of
the command.
Args:
command: The command to decorate.
Returns:
The command wrapper function.
| configure_bigchaindb | python | bigchaindb/bigchaindb | bigchaindb/commands/utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/commands/utils.py | Apache-2.0 |
def input_on_stderr(prompt='', default=None, convert=None):
"""Output a string to stderr and wait for input.
Args:
prompt (str): the message to display.
default: the default value to return if the user
leaves the field empty
convert (callable): a callable to be used to conve... | Output a string to stderr and wait for input.
Args:
prompt (str): the message to display.
default: the default value to return if the user
leaves the field empty
convert (callable): a callable to be used to convert
the value the user inserted. If None, the type of
... | input_on_stderr | python | bigchaindb/bigchaindb | bigchaindb/commands/utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/commands/utils.py | Apache-2.0 |
def start(parser, argv, scope):
"""Utility function to execute a subcommand.
The function will look up in the ``scope``
if there is a function called ``run_<parser.args.command>``
and will run it using ``parser.args`` as first positional argument.
Args:
parser: an ArgumentParser instance.
... | Utility function to execute a subcommand.
The function will look up in the ``scope``
if there is a function called ``run_<parser.args.command>``
and will run it using ``parser.args`` as first positional argument.
Args:
parser: an ArgumentParser instance.
argv: the list of command line ... | start | python | bigchaindb/bigchaindb | bigchaindb/commands/utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/commands/utils.py | Apache-2.0 |
def generate_key_pair():
"""Generates a cryptographic key pair.
Returns:
:class:`~bigchaindb.common.crypto.CryptoKeypair`: A
:obj:`collections.namedtuple` with named fields
:attr:`~bigchaindb.common.crypto.CryptoKeypair.private_key` and
:attr:`~bigchaindb.common.crypto.CryptoKey... | Generates a cryptographic key pair.
Returns:
:class:`~bigchaindb.common.crypto.CryptoKeypair`: A
:obj:`collections.namedtuple` with named fields
:attr:`~bigchaindb.common.crypto.CryptoKeypair.private_key` and
:attr:`~bigchaindb.common.crypto.CryptoKeypair.public_key`.
| generate_key_pair | python | bigchaindb/bigchaindb | bigchaindb/common/crypto.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/crypto.py | Apache-2.0 |
def key_pair_from_ed25519_key(hex_private_key):
"""Generate base58 encode public-private key pair from a hex encoded private key"""
priv_key = crypto.Ed25519SigningKey(bytes.fromhex(hex_private_key)[:32], encoding='bytes')
public_key = priv_key.get_verifying_key()
return CryptoKeypair(private_key=priv_k... | Generate base58 encode public-private key pair from a hex encoded private key | key_pair_from_ed25519_key | python | bigchaindb/bigchaindb | bigchaindb/common/crypto.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/crypto.py | Apache-2.0 |
def __init__(self, fulfillment, owners_before, fulfills=None):
"""Create an instance of an :class:`~.Input`.
Args:
fulfillment (:class:`cryptoconditions.Fulfillment`): A
Fulfillment to be signed with a private key.
owners_before (:obj:`list` of :o... | Create an instance of an :class:`~.Input`.
Args:
fulfillment (:class:`cryptoconditions.Fulfillment`): A
Fulfillment to be signed with a private key.
owners_before (:obj:`list` of :obj:`str`): A list of owners
after a Transaction was co... | __init__ | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def to_dict(self):
"""Transforms the object to a Python dictionary.
Note:
If an Input hasn't been signed yet, this method returns a
dictionary representation.
Returns:
dict: The Input as an alternative serialization format.
"""
... | Transforms the object to a Python dictionary.
Note:
If an Input hasn't been signed yet, this method returns a
dictionary representation.
Returns:
dict: The Input as an alternative serialization format.
| to_dict | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def from_dict(cls, data):
"""Transforms a Python dictionary to an Input object.
Note:
Optionally, this method can also serialize a Cryptoconditions-
Fulfillment that is not yet signed.
Args:
data (dict): The Input to be transformed.
... | Transforms a Python dictionary to an Input object.
Note:
Optionally, this method can also serialize a Cryptoconditions-
Fulfillment that is not yet signed.
Args:
data (dict): The Input to be transformed.
Returns:
:cla... | from_dict | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def _fulfillment_to_details(fulfillment):
"""Encode a fulfillment as a details dictionary
Args:
fulfillment: Crypto-conditions Fulfillment object
"""
if fulfillment.type_name == 'ed25519-sha-256':
return {
'type': 'ed25519-sha-256',
'public_key': base58.b58encod... | Encode a fulfillment as a details dictionary
Args:
fulfillment: Crypto-conditions Fulfillment object
| _fulfillment_to_details | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def _fulfillment_from_details(data, _depth=0):
"""Load a fulfillment for a signing spec dictionary
Args:
data: tx.output[].condition.details dictionary
"""
if _depth == 100:
raise ThresholdTooDeep()
if data['type'] == 'ed25519-sha-256':
public_key = base58.b58decode(data['p... | Load a fulfillment for a signing spec dictionary
Args:
data: tx.output[].condition.details dictionary
| _fulfillment_from_details | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def __init__(self, txid=None, output=None):
"""Create an instance of a :class:`~.TransactionLink`.
Note:
In an IPLD implementation, this class is not necessary anymore,
as an IPLD link can simply point to an object, as well as an
objects properties. S... | Create an instance of a :class:`~.TransactionLink`.
Note:
In an IPLD implementation, this class is not necessary anymore,
as an IPLD link can simply point to an object, as well as an
objects properties. So instead of having a (de)serializable
... | __init__ | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def from_dict(cls, link):
"""Transforms a Python dictionary to a TransactionLink object.
Args:
link (dict): The link to be transformed.
Returns:
:class:`~bigchaindb.common.transaction.TransactionLink`
"""
try:
return cls(link[... | Transforms a Python dictionary to a TransactionLink object.
Args:
link (dict): The link to be transformed.
Returns:
:class:`~bigchaindb.common.transaction.TransactionLink`
| from_dict | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def to_dict(self):
"""Transforms the object to a Python dictionary.
Returns:
(dict|None): The link as an alternative serialization format.
"""
if self.txid is None and self.output is None:
return None
else:
return {
'tr... | Transforms the object to a Python dictionary.
Returns:
(dict|None): The link as an alternative serialization format.
| to_dict | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def __init__(self, fulfillment, public_keys=None, amount=1):
"""Create an instance of a :class:`~.Output`.
Args:
fulfillment (:class:`cryptoconditions.Fulfillment`): A
Fulfillment to extract a Condition from.
public_keys (:obj:`list` of :obj:`str`... | Create an instance of a :class:`~.Output`.
Args:
fulfillment (:class:`cryptoconditions.Fulfillment`): A
Fulfillment to extract a Condition from.
public_keys (:obj:`list` of :obj:`str`, optional): A list of
owners before a Transaction w... | __init__ | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def to_dict(self):
"""Transforms the object to a Python dictionary.
Note:
A dictionary serialization of the Input the Output was
derived from is always provided.
Returns:
dict: The Output as an alternative serialization format.
""... | Transforms the object to a Python dictionary.
Note:
A dictionary serialization of the Input the Output was
derived from is always provided.
Returns:
dict: The Output as an alternative serialization format.
| to_dict | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def generate(cls, public_keys, amount):
"""Generates a Output from a specifically formed tuple or list.
Note:
If a ThresholdCondition has to be generated where the threshold
is always the number of subconditions it is split between, a
list of the foll... | Generates a Output from a specifically formed tuple or list.
Note:
If a ThresholdCondition has to be generated where the threshold
is always the number of subconditions it is split between, a
list of the following structure is sufficient:
[(a... | generate | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def _gen_condition(cls, initial, new_public_keys):
"""Generates ThresholdSha256 conditions from a list of new owners.
Note:
This method is intended only to be used with a reduce function.
For a description on how to use this method, see
:meth:`~.Outpu... | Generates ThresholdSha256 conditions from a list of new owners.
Note:
This method is intended only to be used with a reduce function.
For a description on how to use this method, see
:meth:`~.Output.generate`.
Args:
initial (:clas... | _gen_condition | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def from_dict(cls, data):
"""Transforms a Python dictionary to an Output object.
Note:
To pass a serialization cycle multiple times, a
Cryptoconditions Fulfillment needs to be present in the
passed-in dictionary, as Condition URIs are not serializable... | Transforms a Python dictionary to an Output object.
Note:
To pass a serialization cycle multiple times, a
Cryptoconditions Fulfillment needs to be present in the
passed-in dictionary, as Condition URIs are not serializable
anymore.
... | from_dict | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def __init__(self, operation, asset, inputs=None, outputs=None,
metadata=None, version=None, hash_id=None, tx_dict=None):
"""The constructor allows to create a customizable Transaction.
Note:
When no `version` is provided, one is being
generated by t... | The constructor allows to create a customizable Transaction.
Note:
When no `version` is provided, one is being
generated by this method.
Args:
operation (str): Defines the operation of the Transaction.
asset (dict): Asset payload ... | __init__ | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def unspent_outputs(self):
"""UnspentOutput: The outputs of this transaction, in a data
structure containing relevant information for storing them in
a UTXO set, and performing validation.
"""
if self.operation == self.CREATE:
self._asset_id = self._id
elif se... | UnspentOutput: The outputs of this transaction, in a data
structure containing relevant information for storing them in
a UTXO set, and performing validation.
| unspent_outputs | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def spent_outputs(self):
"""Tuple of :obj:`dict`: Inputs of this transaction. Each input
is represented as a dictionary containing a transaction id and
output index.
"""
return (
input_.fulfills.to_dict()
for input_ in self.inputs if input_.fulfills
... | Tuple of :obj:`dict`: Inputs of this transaction. Each input
is represented as a dictionary containing a transaction id and
output index.
| spent_outputs | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def create(cls, tx_signers, recipients, metadata=None, asset=None):
"""A simple way to generate a `CREATE` transaction.
Note:
This method currently supports the following Cryptoconditions
use cases:
- Ed25519
- ThresholdSha256
... | A simple way to generate a `CREATE` transaction.
Note:
This method currently supports the following Cryptoconditions
use cases:
- Ed25519
- ThresholdSha256
Additionally, it provides support for the following BigchainDB... | create | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def transfer(cls, inputs, recipients, asset_id, metadata=None):
"""A simple way to generate a `TRANSFER` transaction.
Note:
Different cases for threshold conditions:
Combining multiple `inputs` with an arbitrary number of
`recipients` can yield inter... | A simple way to generate a `TRANSFER` transaction.
Note:
Different cases for threshold conditions:
Combining multiple `inputs` with an arbitrary number of
`recipients` can yield interesting cases for the creation of
threshold conditions we'd ... | transfer | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def to_inputs(self, indices=None):
"""Converts a Transaction's outputs to spendable inputs.
Note:
Takes the Transaction's outputs and derives inputs
from that can then be passed into `Transaction.transfer` as
`inputs`.
A list of intege... | Converts a Transaction's outputs to spendable inputs.
Note:
Takes the Transaction's outputs and derives inputs
from that can then be passed into `Transaction.transfer` as
`inputs`.
A list of integers can be passed to `indices` that
... | to_inputs | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def add_input(self, input_):
"""Adds an input to a Transaction's list of inputs.
Args:
input_ (:class:`~bigchaindb.common.transaction.
Input`): An Input to be added to the Transaction.
"""
if not isinstance(input_, Input):
raise TypeEr... | Adds an input to a Transaction's list of inputs.
Args:
input_ (:class:`~bigchaindb.common.transaction.
Input`): An Input to be added to the Transaction.
| add_input | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def add_output(self, output):
"""Adds an output to a Transaction's list of outputs.
Args:
output (:class:`~bigchaindb.common.transaction.
Output`): An Output to be added to the
Transaction.
"""
if not isinstance(output, Output)... | Adds an output to a Transaction's list of outputs.
Args:
output (:class:`~bigchaindb.common.transaction.
Output`): An Output to be added to the
Transaction.
| add_output | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def sign(self, private_keys):
"""Fulfills a previous Transaction's Output by signing Inputs.
Note:
This method works only for the following Cryptoconditions
currently:
- Ed25519Fulfillment
- ThresholdSha256
Furt... | Fulfills a previous Transaction's Output by signing Inputs.
Note:
This method works only for the following Cryptoconditions
currently:
- Ed25519Fulfillment
- ThresholdSha256
Furthermore, note that all keys required to f... | sign | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def _sign_input(cls, input_, message, key_pairs):
"""Signs a single Input.
Note:
This method works only for the following Cryptoconditions
currently:
- Ed25519Fulfillment
- ThresholdSha256.
Args:
in... | Signs a single Input.
Note:
This method works only for the following Cryptoconditions
currently:
- Ed25519Fulfillment
- ThresholdSha256.
Args:
input_ (:class:`~bigchaindb.common.transaction.
... | _sign_input | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def _sign_simple_signature_fulfillment(cls, input_, message, key_pairs):
"""Signs a Ed25519Fulfillment.
Args:
input_ (:class:`~bigchaindb.common.transaction.
Input`) The input to be signed.
message (str): The message to be signed
k... | Signs a Ed25519Fulfillment.
Args:
input_ (:class:`~bigchaindb.common.transaction.
Input`) The input to be signed.
message (str): The message to be signed
key_pairs (dict): The keys to sign the Transaction with.
| _sign_simple_signature_fulfillment | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def _sign_threshold_signature_fulfillment(cls, input_, message, key_pairs):
"""Signs a ThresholdSha256.
Args:
input_ (:class:`~bigchaindb.common.transaction.
Input`) The Input to be signed.
message (str): The message to be signed
k... | Signs a ThresholdSha256.
Args:
input_ (:class:`~bigchaindb.common.transaction.
Input`) The Input to be signed.
message (str): The message to be signed
key_pairs (dict): The keys to sign the Transaction with.
| _sign_threshold_signature_fulfillment | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def _inputs_valid(self, output_condition_uris):
"""Validates an Input against a given set of Outputs.
Note:
The number of `output_condition_uris` must be equal to the
number of Inputs a Transaction has.
Args:
output_condition_uris (:obj:`... | Validates an Input against a given set of Outputs.
Note:
The number of `output_condition_uris` must be equal to the
number of Inputs a Transaction has.
Args:
output_condition_uris (:obj:`list` of :obj:`str`): A list of
Outputs... | _inputs_valid | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def _input_valid(self, input_, operation, message, output_condition_uri=None):
"""Validates a single Input against a single Output.
Note:
In case of a `CREATE` Transaction, this method
does not validate against `output_condition_uri`.
Args:
... | Validates a single Input against a single Output.
Note:
In case of a `CREATE` Transaction, this method
does not validate against `output_condition_uri`.
Args:
input_ (:class:`~bigchaindb.common.transaction.
Input`) The Input t... | _input_valid | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def to_dict(self):
"""Transforms the object to a Python dictionary.
Returns:
dict: The Transaction as an alternative serialization format.
"""
return {
'inputs': [input_.to_dict() for input_ in self.inputs],
'outputs': [output.to_dict() for ou... | Transforms the object to a Python dictionary.
Returns:
dict: The Transaction as an alternative serialization format.
| to_dict | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def _remove_signatures(tx_dict):
"""Takes a Transaction dictionary and removes all signatures.
Args:
tx_dict (dict): The Transaction to remove all signatures from.
Returns:
dict
"""
# NOTE: We remove the reference since we need `tx_dict`... | Takes a Transaction dictionary and removes all signatures.
Args:
tx_dict (dict): The Transaction to remove all signatures from.
Returns:
dict
| _remove_signatures | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def get_asset_id(cls, transactions):
"""Get the asset id from a list of :class:`~.Transactions`.
This is useful when we want to check if the multiple inputs of a
transaction are related to the same asset id.
Args:
transactions (:obj:`list` of :class:`~bigchaindb.common.
... | Get the asset id from a list of :class:`~.Transactions`.
This is useful when we want to check if the multiple inputs of a
transaction are related to the same asset id.
Args:
transactions (:obj:`list` of :class:`~bigchaindb.common.
transaction.Transaction`): A list o... | get_asset_id | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def validate_id(tx_body):
"""Validate the transaction ID of a transaction
Args:
tx_body (dict): The Transaction to be transformed.
"""
# NOTE: Remove reference to avoid side effects
# tx_body = deepcopy(tx_body)
tx_body = rapidjson.loads(rapidjson.dum... | Validate the transaction ID of a transaction
Args:
tx_body (dict): The Transaction to be transformed.
| validate_id | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def from_dict(cls, tx, skip_schema_validation=True):
"""Transforms a Python dictionary to a Transaction object.
Args:
tx_body (dict): The Transaction to be transformed.
Returns:
:class:`~bigchaindb.common.transaction.Transaction`
"""
oper... | Transforms a Python dictionary to a Transaction object.
Args:
tx_body (dict): The Transaction to be transformed.
Returns:
:class:`~bigchaindb.common.transaction.Transaction`
| from_dict | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def from_db(cls, bigchain, tx_dict_list):
"""Helper method that reconstructs a transaction dict that was returned
from the database. It checks what asset_id to retrieve, retrieves the
asset from the asset table and reconstructs the transaction.
Args:
bigchain (:class:`~bigch... | Helper method that reconstructs a transaction dict that was returned
from the database. It checks what asset_id to retrieve, retrieves the
asset from the asset table and reconstructs the transaction.
Args:
bigchain (:class:`~bigchaindb.tendermint.BigchainDB`): An instance
... | from_db | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def resolve_class(operation):
"""For the given `tx` based on the `operation` key return its implementation class"""
create_txn_class = Transaction.type_registry.get(Transaction.CREATE)
return Transaction.type_registry.get(operation, create_txn_class) | For the given `tx` based on the `operation` key return its implementation class | resolve_class | python | bigchaindb/bigchaindb | bigchaindb/common/transaction.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/transaction.py | Apache-2.0 |
def validate_txn_obj(obj_name, obj, key, validation_fun):
"""Validate value of `key` in `obj` using `validation_fun`.
Args:
obj_name (str): name for `obj` being validated.
obj (dict): dictionary object.
key (str): key to be validated in `obj`.
validation_fun ... | Validate value of `key` in `obj` using `validation_fun`.
Args:
obj_name (str): name for `obj` being validated.
obj (dict): dictionary object.
key (str): key to be validated in `obj`.
validation_fun (function): function used to validate the value
of `k... | validate_txn_obj | python | bigchaindb/bigchaindb | bigchaindb/common/utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/utils.py | Apache-2.0 |
def validate_all_keys_in_obj(obj_name, obj, validation_fun):
"""Validate all (nested) keys in `obj` by using `validation_fun`.
Args:
obj_name (str): name for `obj` being validated.
obj (dict): dictionary object.
validation_fun (function): function used to validate the va... | Validate all (nested) keys in `obj` by using `validation_fun`.
Args:
obj_name (str): name for `obj` being validated.
obj (dict): dictionary object.
validation_fun (function): function used to validate the value
of `key`.
Returns:
None: indica... | validate_all_keys_in_obj | python | bigchaindb/bigchaindb | bigchaindb/common/utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/utils.py | Apache-2.0 |
def validate_all_values_for_key_in_obj(obj, key, validation_fun):
"""Validate value for all (nested) occurrence of `key` in `obj`
using `validation_fun`.
Args:
obj (dict): dictionary object.
key (str): key whose value is to be validated.
validation_fun (function)... | Validate value for all (nested) occurrence of `key` in `obj`
using `validation_fun`.
Args:
obj (dict): dictionary object.
key (str): key whose value is to be validated.
validation_fun (function): function used to validate the value
of `key`.
Rais... | validate_all_values_for_key_in_obj | python | bigchaindb/bigchaindb | bigchaindb/common/utils.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/utils.py | Apache-2.0 |
def validate_transaction_schema(tx):
"""Validate a transaction dict.
TX_SCHEMA_COMMON contains properties that are common to all types of
transaction. TX_SCHEMA_[TRANSFER|CREATE] add additional constraints on top.
"""
_validate_schema(TX_SCHEMA_COMMON, tx)
if tx['operation'] == 'TRANSFER':
... | Validate a transaction dict.
TX_SCHEMA_COMMON contains properties that are common to all types of
transaction. TX_SCHEMA_[TRANSFER|CREATE] add additional constraints on top.
| validate_transaction_schema | python | bigchaindb/bigchaindb | bigchaindb/common/schema/__init__.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/common/schema/__init__.py | Apache-2.0 |
def get_validator_change(cls, bigchain):
"""Return the validator set from the most recent approved block
:return: {
'height': <block_height>,
'validators': <validator_set>
}
"""
latest_block = bigchain.get_latest_block()
if latest_block is None:
... | Return the validator set from the most recent approved block
:return: {
'height': <block_height>,
'validators': <validator_set>
}
| get_validator_change | python | bigchaindb/bigchaindb | bigchaindb/elections/election.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/elections/election.py | Apache-2.0 |
def get_validators(cls, bigchain, height=None):
"""Return a dictionary of validators with key as `public_key` and
value as the `voting_power`
"""
validators = {}
for validator in bigchain.get_validators(height):
# NOTE: we assume that Tendermint encodes public key ... | Return a dictionary of validators with key as `public_key` and
value as the `voting_power`
| get_validators | python | bigchaindb/bigchaindb | bigchaindb/elections/election.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/elections/election.py | Apache-2.0 |
def recipients(cls, bigchain):
"""Convert validator dictionary to a recipient list for `Transaction`"""
recipients = []
for public_key, voting_power in cls.get_validators(bigchain).items():
recipients.append(([public_key], voting_power))
return recipients | Convert validator dictionary to a recipient list for `Transaction` | recipients | python | bigchaindb/bigchaindb | bigchaindb/elections/election.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/elections/election.py | Apache-2.0 |
def validate(self, bigchain, current_transactions=[]):
"""Validate election transaction
NOTE:
* A valid election is initiated by an existing validator.
* A valid election is one where voters are validators and votes are
allocated according to the voting power of each validato... | Validate election transaction
NOTE:
* A valid election is initiated by an existing validator.
* A valid election is one where voters are validators and votes are
allocated according to the voting power of each validator node.
Args:
:param bigchain: (BigchainDB) a... | validate | python | bigchaindb/bigchaindb | bigchaindb/elections/election.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/elections/election.py | Apache-2.0 |
def validate_schema(cls, tx):
"""Validate the election transaction. Since `ELECTION` extends `CREATE` transaction, all the validations for
`CREATE` transaction should be inherited
"""
_validate_schema(TX_SCHEMA_COMMON, tx)
_validate_schema(TX_SCHEMA_CREATE, tx)
if cls.TX_... | Validate the election transaction. Since `ELECTION` extends `CREATE` transaction, all the validations for
`CREATE` transaction should be inherited
| validate_schema | python | bigchaindb/bigchaindb | bigchaindb/elections/election.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/elections/election.py | Apache-2.0 |
def has_concluded(self, bigchain, current_votes=[]):
"""Check if the election can be concluded or not.
* Elections can only be concluded if the validator set has not changed
since the election was initiated.
* Elections can be concluded only if the current votes form a supermajority.
... | Check if the election can be concluded or not.
* Elections can only be concluded if the validator set has not changed
since the election was initiated.
* Elections can be concluded only if the current votes form a supermajority.
Custom elections may override this function and introdu... | has_concluded | python | bigchaindb/bigchaindb | bigchaindb/elections/election.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/elections/election.py | Apache-2.0 |
def process_block(cls, bigchain, new_height, txns):
"""Looks for election and vote transactions inside the block, records
and processes elections.
Every election is recorded in the database.
Every vote has a chance to conclude the corresponding election. When
an ele... | Looks for election and vote transactions inside the block, records
and processes elections.
Every election is recorded in the database.
Every vote has a chance to conclude the corresponding election. When
an election is concluded, the corresponding database record is
... | process_block | python | bigchaindb/bigchaindb | bigchaindb/elections/election.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/elections/election.py | Apache-2.0 |
def validate_schema(cls, tx):
"""Validate the validator election vote transaction. Since `VOTE` extends `TRANSFER`
transaction, all the validations for `CREATE` transaction should be inherited
"""
_validate_schema(TX_SCHEMA_COMMON, tx)
_validate_schema(TX_SCHEMA_TRANSFER, tx)
... | Validate the validator election vote transaction. Since `VOTE` extends `TRANSFER`
transaction, all the validations for `CREATE` transaction should be inherited
| validate_schema | python | bigchaindb/bigchaindb | bigchaindb/elections/vote.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/elections/vote.py | Apache-2.0 |
def validate(self, bigchain, current_transactions=[]):
"""For more details refer BEP-21: https://github.com/bigchaindb/BEPs/tree/master/21
"""
current_validators = self.get_validators(bigchain)
super(ValidatorElection, self).validate(bigchain, current_transactions=current_transactions)... | For more details refer BEP-21: https://github.com/bigchaindb/BEPs/tree/master/21
| validate | python | bigchaindb/bigchaindb | bigchaindb/upsert_validator/validator_election.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/upsert_validator/validator_election.py | Apache-2.0 |
def add_routes(app):
"""Add the routes to an app"""
for (prefix, routes) in API_SECTIONS:
api = Api(app, prefix=prefix)
for ((pattern, resource, *args), kwargs) in routes:
kwargs.setdefault('strict_slashes', False)
api.add_resource(resource, pattern, *args, **kwargs) | Add the routes to an app | add_routes | python | bigchaindb/bigchaindb | bigchaindb/web/routes.py | https://github.com/bigchaindb/bigchaindb/blob/master/bigchaindb/web/routes.py | Apache-2.0 |
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SQL Console for Shuu12121/python-treesitter-filtered-datasetsV2
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