Add add minter executable script

python/CHANGELOG

@@ -1,6 +1,8 @@
 * 0.0.7-unreleased
 	- Implement keystore signing.
 	- Change makefile to compile contract for Byzantium.
+	- Change mint method name to mintTo
+	- Add add minter executable script
 * 0.0.6
 	- Rename contracts-dir flag to abi-dir
 	- Use package data dir as default abi dir

python/giftable_erc20_token/runnable/add.py

@@ -0,0 +1,110 @@
+"""Add minter to token contact
+
+.. 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
+import time
+
+# third-party imports
+import web3
+from eth_keys import keys
+from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
+from crypto_dev_signer.keystore import DictKeystore
+from crypto_dev_signer.eth.helper import EthTxExecutor
+
+logging.basicConfig(level=logging.WARNING)
+logg = logging.getLogger()
+
+logging.getLogger('web3').setLevel(logging.WARNING)
+logging.getLogger('urllib3').setLevel(logging.WARNING)
+
+script_dir = os.path.dirname(__file__)
+data_dir = os.path.join(script_dir, '..', 'data')
+
+argparser = argparse.ArgumentParser()
+argparser.add_argument('-p', '--provider', dest='p', default='http://localhost:8545', type=str, help='Web3 provider url (http only)')
+argparser.add_argument('-e', action='store_true', help='Treat all transactions as essential')
+argparser.add_argument('-w', action='store_true', help='Wait for the last transaction to be confirmed')
+argparser.add_argument('-ww', action='store_true', help='Wait for every transaction to be confirmed')
+argparser.add_argument('-i', '--chain-spec', dest='i', type=str, default='Ethereum:1', help='Chain specification string')
+argparser.add_argument('-a', '--token-address', required='True', dest='a', type=str, help='Giftable token address')
+argparser.add_argument('-y', '--key-file', dest='y', type=str, help='Ethereum keystore file to use for signing')
+argparser.add_argument('--abi-dir', dest='abi_dir', type=str, default=data_dir, help='Directory containing bytecode and abi (default: {})'.format(data_dir))
+argparser.add_argument('-v', action='store_true', help='Be verbose')
+argparser.add_argument('minter_address', type=int, help='Minter address to add')
+args = argparser.parse_args()
+
+if args.v:
+    logg.setLevel(logging.DEBUG)
+
+block_all = args.ww
+block_last = args.w or block_all
+
+w3 = web3.Web3(web3.Web3.HTTPProvider(args.p))
+
+signer_address = None
+keystore = DictKeystore()
+if args.y != None:
+    logg.debug('loading keystore file {}'.format(args.y))
+    signer_address = keystore.import_keystore_file(args.y)
+    logg.debug('now have key for signer address {}'.format(signer_address))
+signer = EIP155Signer(keystore)
+
+chain_pair = args.i.split(':')
+chain_id = int(chain_pair[1])
+
+helper = EthTxExecutor(
+        w3,
+        signer_address,
+        signer,
+        chain_id,
+        block=args.ww,
+        )
+
+
+def main():
+
+    f = open(os.path.join(args.abi_dir, 'GiftableToken.json'), 'r')
+    abi = json.load(f)
+    f.close()
+
+    gas_price = w3.eth.gasPrice
+
+    last_tx = None
+
+    nonce = w3.eth.getTransactionCount(signer_address, 'pending')
+
+    c = w3.eth.contract(abi=abi, address=args.a)
+
+    recipient = signer_address
+    if args.recipient != None:
+        recipient = args.recipient
+
+    (tx_hash, rcpt) = helper.sign_and_send(
+            [
+                c.functions.addMinter(args.recipient).buildTransaction,
+                ],
+            )
+
+    logg.info('addMinter to {} tx {}'.format(signer_address, tx_hash))
+
+    if block_last:
+        helper.wait_for()
+
+    print(tx_hash)
+
+    sys.exit(0)
+
+
+if __name__ == '__main__':
+    main()