diff --git a/.gitignore b/.gitignore
index 5e271b94..04eee297 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 service-configs/*
 !service-configs/.gitkeep
-node_modules
+**/node_modules/
 __pycache__
 *.pyc
-*.o
\ No newline at end of file
+*.o
diff --git a/apps/cic-cache/cic_cache/runnable/daemons/filters/erc20.py b/apps/cic-cache/cic_cache/runnable/daemons/filters/erc20.py
index e2312a71..0ff88852 100644
--- a/apps/cic-cache/cic_cache/runnable/daemons/filters/erc20.py
+++ b/apps/cic-cache/cic_cache/runnable/daemons/filters/erc20.py
@@ -67,6 +67,7 @@ class ERC20TransferFilter(SyncFilter):
                 tx.status == Status.SUCCESS,
                 block.timestamp,
                 )
-        db_session.flush()
+        #db_session.flush()
+        db_session.commit()
 
         return True
diff --git a/apps/cic-cache/cic_cache/runnable/daemons/tracker.py b/apps/cic-cache/cic_cache/runnable/daemons/tracker.py
index bd03528a..270e1f6a 100644
--- a/apps/cic-cache/cic_cache/runnable/daemons/tracker.py
+++ b/apps/cic-cache/cic_cache/runnable/daemons/tracker.py
@@ -77,7 +77,7 @@ def main():
 
     if len(syncer_backends) == 0:
         logg.info('found no backends to resume')
-        syncers.append(SQLBackend.initial(chain_spec, block_offset))
+        syncer_backends.append(SQLBackend.initial(chain_spec, block_offset))
     else:
         for syncer_backend in syncer_backends:
             logg.info('resuming sync session {}'.format(syncer_backend))
diff --git a/apps/contract-migration/scripts/eth/import_users.py b/apps/contract-migration/scripts/eth/import_users.py
index c5a5fb69..ed3659d6 100644
--- a/apps/contract-migration/scripts/eth/import_users.py
+++ b/apps/contract-migration/scripts/eth/import_users.py
@@ -24,7 +24,7 @@ from chainlib.eth.gas import RPCGasOracle
 from chainlib.eth.nonce import RPCNonceOracle
 from cic_types.processor import generate_metadata_pointer
 from eth_accounts_index import AccountRegistry
-from contract_registry import Registry
+from eth_contract_registry import Registry
 from crypto_dev_signer.keystore.dict import DictKeystore
 from crypto_dev_signer.eth.signer.defaultsigner import ReferenceSigner as EIP155Signer
 from crypto_dev_signer.keystore.keyfile import to_dict as to_keyfile_dict
diff --git a/apps/contract-migration/scripts/verify.py b/apps/contract-migration/scripts/verify.py
index 786ef615..f24a1148 100644
--- a/apps/contract-migration/scripts/verify.py
+++ b/apps/contract-migration/scripts/verify.py
@@ -22,7 +22,7 @@ from hexathon import (
         strip_0x,
         add_0x,
         )
-from chainsyncer.backend import MemBackend
+from chainsyncer.backend.memory import MemBackend
 from chainsyncer.driver import HeadSyncer
 from chainlib.chain import ChainSpec
 from chainlib.eth.connection import EthHTTPConnection