Initial commit

eth_gas_sum/runnable/sum.py

@@ -0,0 +1,118 @@
+# standard imports
+import logging
+
+# external imports
+import chainlib.eth.cli
+from chainlib.chain import ChainSpec
+from chainsyncer.backend.file import FileBackend
+from chainlib.interface import ChainInterface
+from chainlib.eth.block import (
+        block_latest,
+        block_by_number,
+        Block,
+        )
+from chainlib.eth.tx import (
+        receipt,
+        Tx,
+        )
+from chainsyncer.driver.history import HistorySyncer
+from chainsyncer.driver.head import HeadSyncer
+from hexathon import (
+        strip_0x,
+        uniform as hex_uniform,
+        )
+
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+
+
+arg_flags = chainlib.eth.cli.argflag_std_read
+argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
+argparser.add_argument('--start', type=int, help='start at block') 
+argparser.add_argument('--end', type=int, default=0, help='end block (not inclusive)') 
+argparser.add_argument('--interval', type=int, default=5, help='syncer poll interval for new blocks')
+argparser.add_argument('-d', type=str, required=True, help='output directory')
+argparser.add_positional('address', type=str, append=True, help='address sender to monitor')
+args = argparser.parse_args()
+
+extra_args = {
+    'start': None,
+    'end': None,
+    'address': None,
+    'd': '_OUTPUT_DIR',
+    'interval': 'SYNCER_LOOP_INTERVAL',
+        }
+# process config
+config = chainlib.eth.cli.Config.from_args(args, arg_flags, extra_args=extra_args)
+logg.debug('config loaded\n'+ str(config))
+
+# set up rpc
+rpc = chainlib.eth.cli.Rpc()
+conn = rpc.connect_by_config(config)
+
+chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
+
+
+class EthChainInterface(ChainInterface):
+
+    def __init__(self):
+        self._block_by_number = block_by_number
+        self._block_from_src = Block.from_src
+        self._tx_receipt = receipt
+        self._src_normalize = Tx.src_normalize
+
+
+class GasAddFilter:
+
+    def __init__(self, chain_spec, addresses):
+        self.addresses = []
+        for address in addresses:
+            clean_address = hex_uniform(strip_0x(address))
+            self.addresses.append(clean_address)
+            logg.debug('added {} to gas sum filter'.format(clean_address))
+        self.tx_gas = {}
+        self.gas_sum = 0
+       
+
+    def filter(self, conn, block, tx, db_session):
+        sender = hex_uniform(strip_0x(tx.outputs[0]))
+        if sender in self.addresses:
+            self.gas_sum += tx.gas_used
+            self.tx_gas[tx.hash] = tx.gas_used
+            logg.debug('sender {} tx {} gas {} new sum {}'.format(sender, tx.hash, tx.gas_used, self.gas_sum))
+
+
+    def sum(self):
+        return self.gas_sum
+
+
+def main():
+    loop_interval = config.get('SYNCER_LOOP_INTERVAL')
+    start = config.get('_START')
+    if start == None:
+        o = block_latest()
+        r = conn.do(o)
+        block_current = int(r, 16)
+        start = block_current + 1
+    end = config.get('_END')
+
+    syncer = None
+    chain_interface = EthChainInterface()
+    if end != None:
+        backend = FileBackend.initial(chain_spec, end, start_block_height=start, base_dir=config.get('_OUTPUT_DIR'))
+        syncer = HistorySyncer(backend, chain_interface)
+    else:
+        FileBackend.live(chain_spec, start, base_dir=config.get('_OUTPUT_DIR'))
+        syncer = HeadSyncer(backend, chain_interface)
+
+    gas_filter = GasAddFilter(chain_spec, config.get('_ADDRESS'))
+    syncer.add_filter(gas_filter)
+    r = syncer.loop(config.get('SYNCER_LOOP_INTERVAL'), conn)
+    for k in gas_filter.tx_gas.keys():
+        print('tx {} gas {}'.format(k, gas_filter.tx_gas[k]))
+    print('total gas: ' + str(gas_filter.sum()))
+
+
+if __name__ == '__main__':
+    main()

requirements.txt

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+chainsyncer==0.0.7a3
+chainlib-eth==0.0.10a15