Add chain interface

Add allowance check and transferFrom task

See merge request grassrootseconomics/cic-internal-integration!203

apps/data-seeding/cic_eth/traffic/traffic.py

@@ -10,7 +10,7 @@ import redis
 import celery
 from cic_eth_registry.registry import CICRegistry
 from chainsyncer.backend.memory import MemBackend
-from chainsyncer.driver import HeadSyncer
+from chainsyncer.driver.head import HeadSyncer
 from chainlib.eth.connection import EthHTTPConnection
 from chainlib.chain import ChainSpec
 from chainlib.eth.gas import RPCGasOracle
@@ -24,6 +24,7 @@ from cic_base import (
         rpc,
         signer as signer_funcs,
         )
+from cic_base.eth.syncer import chain_interface
 
 # local imports
 #import common
@@ -120,7 +121,7 @@ def main():
             'api_queue': config.get('_CELERY_QUEUE'),
             }
 
-    syncer = HeadSyncer(syncer_backend, block_callback=handler.refresh)
+    syncer = HeadSyncer(syncer_backend, chain_interface, block_callback=handler.refresh)
     syncer.add_filter(handler)
     syncer.loop(1, conn)
 

apps/data-seeding/verify.py

@@ -254,6 +254,10 @@ class Verifier:
             if len(k) > 7 and k[:7] == 'verify_':
                 logg.debug('verifier has verify method {}'.format(k))
                 verifymethods.append(k[7:])
+        o = self.faucet_tx_factory.token_amount(self.faucet_address, sender_address=ZERO_ADDRESS)
+        r = self.conn.do(o)
+        self.faucet_amount = self.faucet_tx_factory.parse_token_amount(r)
+        logg.info('faucet amount set to {} at verify initialization time'.format(self.faucet_amount))
 
         self.state = VerifierState(verifymethods, active_tests=active_tests)
 
@@ -284,6 +288,7 @@ class Verifier:
         except ValueError:
             actual_balance = int(r)
         balance = int(balance / 1000000) * 1000000
+        balance += self.faucet_amount
         logg.debug('balance for {}: {}'.format(address, balance))
         if balance != actual_balance:
             raise VerifierError((actual_balance, balance), 'balance')