Add base setup for sql backend

chainsyncer/backend/sql.py

@@ -22,6 +22,9 @@ class SQLBackend(Backend):
     :param object_id: Unique id for the syncer session.
     :type object_id: number
     """
+
+    base = None
+
     def __init__(self, chain_spec, object_id):
         super(SQLBackend, self).__init__()
         self.db_session = None
@@ -33,6 +36,13 @@ class SQLBackend(Backend):
         self.disconnect()
 
 
+    @classmethod
+    def setup(cls, dsn, debug=False, *args, **kwargs):
+        if cls.base == None:
+            cls.base = SessionBase
+            cls.base.connect(dsn, debug=debug, pool_size=kwargs.get('pool_size', 0))
+
+
     def connect(self):
         """Loads the state of the syncer session with the given id.
         """
@@ -264,7 +274,6 @@ class SQLBackend(Backend):
         :returns: "Live" syncer object
         :rtype: cic_eth.db.models.BlockchainSync
         """
-        object_id = None
         session = SessionBase.create_session()
 
         o = BlockchainSync(str(chain_spec), block_height, 0, None)

chainsyncer/db/migrations/sqlalchemy.py

@@ -1,10 +1,10 @@
 from alembic import op
 import sqlalchemy as sa
 
-def chainsyncer_upgrade(major, minor, patch):
+def chainsyncer_upgrade(major=0, minor=0, patch=1):
     r0_0_1_u()
 
-def chainsyncer_downgrade(major, minor, patch):
+def chainsyncer_downgrade(major=0, minor=0, patch=1):
     r0_0_1_d()
 
 def r0_0_1_u():

chainsyncer/runnable/tracker.py

@@ -42,7 +42,6 @@ argparser = argparse.ArgumentParser(description='daemon that monitors transactio
 argparser.add_argument('-p', '--provider', dest='p', type=str, help='chain rpc provider address')
 argparser.add_argument('-c', type=str, default=config_dir, help='config root to use')
 argparser.add_argument('-i', '--chain-spec', type=str, dest='i', help='chain spec')
-argparser.add_argument('--abi-dir', dest='abi_dir', type=str, help='Directory containing bytecode and abi')
 argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
 argparser.add_argument('--offset', type=int, help='block number to start sync')
 argparser.add_argument('-q', type=str, default='cic-eth', help='celery queue to submit transaction tasks to')
@@ -56,7 +55,6 @@ elif args.vv == True:
     logging.getLogger().setLevel(logging.DEBUG)
 
 config_dir = os.path.join(args.c)
-os.makedirs(config_dir, 0o777, True)
 config = confini.Config(config_dir, args.env_prefix)
 config.process()
 # override args

requirements.txt

@@ -1,4 +1,4 @@
 confini~=0.3.6rc3
 semver==2.13.0
 hexathon~=0.0.1a7
-chainlib~=0.0.2a15
+chainlib~=0.0.3rc2

setup.cfg

@@ -1,10 +1,10 @@
 [metadata]
 name = chainsyncer
-version = 0.0.2a3
+version = 0.0.2a5
 description = Generic blockchain syncer driver
 author = Louis Holbrook
 author_email = dev@holbrook.no
-url = https://gitlab.com/nolash/chainsyncer
+url = https://gitlab.com/chaintools/chainsyncer
 keywords =
 	cryptocurrency
 classifiers =