Add info cli command

python/eth_erc20/runnable/info.py

@@ -0,0 +1,81 @@
+#!python3
+
+"""Token balance query script
+
+.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
+.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746 
+
+"""
+
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# standard imports
+import sys
+import os
+import json
+import argparse
+import logging
+
+# external imports
+from hexathon import (
+        add_0x,
+        strip_0x,
+        even,
+        )
+import sha3
+
+# external imports
+import chainlib.eth.cli
+from chainlib.eth.address import to_checksum_address
+from chainlib.eth.connection import EthHTTPConnection
+from chainlib.eth.gas import (
+        OverrideGasOracle,
+        balance,
+        )
+from chainlib.chain import ChainSpec
+
+# local imports
+from eth_erc20 import ERC20
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+
+arg_flags = chainlib.eth.cli.argflag_std_read | chainlib.eth.cli.Flag.EXEC
+argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
+args = argparser.parse_args()
+config = chainlib.eth.cli.Config.from_args(args, arg_flags)
+
+rpc = chainlib.eth.cli.Rpc()
+conn = rpc.connect_by_config(config)
+
+chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
+
+token_address = config.get('_EXEC_ADDRESS')
+
+
+def main():
+    g = ERC20(chain_spec=chain_spec, gas_oracle=rpc.get_gas_oracle())
+
+    name_o = g.name(token_address)
+    r = conn.do(name_o)
+    token_name = g.parse_name(r)
+    print('Name: {}'.format(token_name))
+
+    symbol_o = g.symbol(token_address)
+    r = conn.do(symbol_o)
+    token_symbol = g.parse_symbol(r)
+    print('Symbol: {}'.format(token_symbol))
+
+    decimals_o = g.decimals(token_address)
+    r = conn.do(decimals_o)
+    decimals = int(strip_0x(r), 16)
+    print('Decimals: {}'.format(decimals))
+
+    supply_o = g.total_supply(token_address)
+    r = conn.do(supply_o)
+    supply = int(strip_0x(r), 16)
+    print('Total supply: {}'.format(supply))
+
+
+if __name__ == '__main__':
+    main()