Add gas gifter balance check

apps/cic-eth/cic_eth/checks/gas.py

@@ -0,0 +1,40 @@
+# standard imports
+import logging
+
+# external imports
+from chainlib.connection import RPCConnection
+from chainlib.chain import ChainSpec
+from chainlib.eth.gas import balance
+
+# local imports
+from cic_eth.db.models.role import AccountRole
+from cic_eth.db.models.base import SessionBase
+
+logg = logging.getLogger().getChild(__name__)
+
+
+def health(*args, **kwargs):
+
+    session = SessionBase.create_session()
+
+    logg.info('kwargs {} {}'.format(kwargs, args))
+    config = kwargs['config']
+    chain_spec = ChainSpec.from_chain_str(config.get('CIC_CHAIN_SPEC'))
+
+    gas_provider = AccountRole.get_address('GAS_GIFTER', session=session)
+    session.close()
+
+    rpc = RPCConnection.connect(chain_spec, 'default')
+    o = balance(gas_provider)
+    r = rpc.do(o)
+    try: 
+        r = int(r, 16)
+    except TypeError:
+        r = int(r)
+    gas_min = int(config.get('ETH_GAS_GIFTER_MINIMUM_BALANCE'))
+    if r < gas_min:
+        logg.error('EEK! gas gifter has balance {}, below minimum {}'.format(r, gas_min))
+        return False
+
+
+    return True

apps/cic-eth/cic_eth/runnable/daemons/tasker.py

@@ -139,6 +139,9 @@ RPCConnection.register_location(config.get('SIGNER_SOCKET_PATH'), chain_spec, 's
 
 Otx.tracing = config.true('TASKS_TRACE_QUEUE_STATUS')
 
+import cic_eth.checks.gas
+if not cic_eth.checks.gas.health(config=config):
+    raise RuntimeError()
 
 def main():
     argv = ['worker']

apps/cic-eth/cic_eth/task.py

@@ -94,3 +94,8 @@ class CriticalWeb3AndSignerTask(CriticalTask):
 def hello(self):
     time.sleep(0.1)
     return id(SessionBase.create_session)
+
+
+@celery_app.task()
+def shutdown(self):
+    celery.app.control.shutdown()

apps/cic-eth/config/docker/eth.ini

@@ -1,8 +1,3 @@
 [eth]
-#ws_provider = ws://localhost:8546
-#ttp_provider = http://localhost:8545
 provider = http://localhost:63545
-gas_provider_address = 
-#chain_id = 
-abi_dir = /home/lash/src/ext/cic/grassrootseconomics/cic-contracts/abis
-account_accounts_index_writer = 
+gas_gifter_minimum_balance = 1000000000000000

apps/cic-eth/config/docker/signer.ini

@@ -1,5 +1,5 @@
 [signer]
-socket_path = /tmp/crypto-dev-signer/jsonrpc.ipc
+socket_path = ipc:///tmp/crypto-dev-signer/jsonrpc.ipc
 secret = deedbeef
 database_name = signer_test
 dev_keys_path =