bbc_ledger module

BBcLedger(config[, dbtype, loglevel, logname]) Database manager
class bbc_ledger.BBcLedger(config, dbtype='sqlite', loglevel='all', logname=None)[source]

Bases: object

Database manager SQL style only (for PoC alpha version)

add_domain(domain_id)[source]

Add domain in the ledger

Parameters:domain_id
Returns:
check_table_existence(domain_id, dbname, name)[source]

(internal use) checking table existence

Parameters:
  • domain_id
  • dbname
  • name
Returns:

the corresponding record array or None

close_db(domain_id, dbname)[source]

(internal use) close DB

Parameters:
  • domain_id
  • dbname
Returns:

create_table_in_db(domain_id, dbname, tbl, tbl_definition, primary_key=0, indices=[])[source]

(internal use) Create a new table in a DB

Parameters:
  • domain_id
  • dbname
  • tbl
  • tbl_definition
  • primary_keys
  • indices
Returns:

exec_sql(domain_id, dbname, sql, *dat)[source]

(internal use) Exec SQL and get all records

Parameters:
  • domain_id
  • dbname
  • sql
  • dat
Returns:

exec_sql_fetchone(domain_id, dbname, sql, *dat)[source]

(internal use) Exec SQL and get one record

Parameters:
  • domain_id
  • dbname
  • sql
  • dat
Returns:

find_by_sql_in_local_auxiliary_db(domain_id, sql, *dat)[source]

find entries by SQL :param domain_id: :param sql: :param *dat: :return:

find_transaction_locally(domain_id, transaction_id)[source]

Find transaction data :param domain_id: :param transaction_id: :return:

insert_asset_info_locally(domain_id, transaction_id, asset_group_id, asset_id, user_id)[source]

Insert data in the local ledger

Parameters:
  • domain_id
  • transaction_id
  • asset_group_id
  • asset_id
  • user_id
Returns:

True/False

insert_topology_info_locally(domain_id, transaction_id, resource_type, resource_id)[source]

Insert topology data for transactions :param domain_id: :param transaction_id: :param resource_type: :param resource_id: :return:

insert_transaction_locally(domain_id, transaction_id, data)[source]

Insert data in the local ledger

Parameters:
  • domain_id
  • transaction_id – Transaction_ID
  • data – Transaction Data (serialized)
  • require_uniqueness – Ignore uniqueness if True
Returns:

True/False

open_db(domain_id, dbname)[source]

(internal use) open DB

Parameters:
  • domain_id
  • dbname
Returns:

remove(domain_id, transaction_id)[source]

Remove all data with the specified transaction_id

Parameters:
  • domain_id
  • transaction_id – Transaction_ID
Returns:

True/False