def build_blocks_table(ex, should_drop=True):
blocks = t.Table('blocks', t.AutoIncrementColumn('number'),
[t.Column('hash', t.str_len(64), True)] + [
t.Column(field_name, field_type)
for field_name, field_type in BLOCK_DATA_COLS.items()
])
return create_table(ex, blocks, should_drop)
def create_kv(name):
# assert ex is not None, 'Mysql executer has not been set.'
column_tuples = [('k', str_len(30), True), ('v', str_len(256)),
('t', str_len(20))]
t = db.Table(add_name_space(name), db.AutoIncrementColumn('id'),
[db.Column(*x) for x in column_tuples])
t.create_table(if_not_exists=True).run(ex)
return KV(t)
def build_transactions_table(ex, should_drop=True):
transactions = t.Table(
'transactions',
t.Column('hash', t.str_len(64), True),
[
t.Column('data', str),
t.Column('block_hash',
t.str_len(64)), # TODO how to index this column?
])
return create_table(ex, transactions, should_drop)
def build_contracts_table(ex, should_drop=True):
contracts = t.Table('smart_contracts',
t.Column('contract_id', t.str_len(64), True), [
t.Column('code_str', str),
t.Column('author', t.str_len(64)),
t.Column('execution_datetime', datetime.datetime),
t.Column('execution_status', t.str_len(30)),
])
return create_table(ex, contracts, should_drop)
def set_up():
global ex_, contract_table
import load_test_conf as lc
this_dir = os.path.dirname(__file__)
ex_ = Executer(**lc.db_settings)
## Setup steps ##
contract_file_path = os.path.join(this_dir, 'example_contracts/')
try:
ex_.raw('drop database seneca_test;')
except Exception as e:
if e.args[0]['error_code'] == 1046:
pass
else:
raise
ex_.raw('create database seneca_test;')
ex_.raw('use seneca_test;')
contract_table = t.Table('smart_contracts',
t.Column('contract_address', t.str_len(30), True),
[
t.Column('code_str', str),
t.Column('author', t.str_len(60)),
t.Column('execution_datetime', datetime),
t.Column('execution_status', t.str_len(30)),
])
try:
contract_table.drop_table().run(ex)
except Exception as e:
if e.args[0]['error_code'] == 1051:
pass
else:
raise
contract_table.create_table().run(ex)
def create_table(name, column_tuples):
t = db.Table(add_name_space(name), db.AutoIncrementColumn('id'),
[db.Column(*x) for x in column_tuples])
t.create_table(if_not_exists=True).run(ex)
return Tabular(t)