store-OP_RETURN.py

# store-OP_RETURN.py
# 
# CLI wrapper for OP_RETURN.py to store data using OP_RETURNs
#
# Copyright (c) Coin Sciences Ltd
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

from string import hexdigits
from OP_RETURN import *
from binascii import hexlify
import sys

if len(sys.argv) < 2:
    sys.exit(
        '''Usage:
        python store-OP_RETURN.py <data> <testnet (optional)>'''
    )

data = sys.argv[1]

if len(sys.argv) > 2:
    testnet = bool(sys.argv[2])
else:
    testnet = False

# data_from_hex = OP_RETURN_hex_to_bin(data)
#
# if data_from_hex is not None:
#     data = data_from_hex
#

len_data_in_bytes = len(data.encode('utf-8'))

if len_data_in_bytes > 80:
    result = {'error': 'Data exceeds maximum size'}
elif all(it in hexdigits for it in data):
    result = OP_RETURN_store(data, testnet)
else:
    data = hexlify(data.encode('utf-8'))
    result = OP_RETURN_store(data, testnet)

if 'error' in result:
    print('Error: ' + result['error'])
else:
    print("TxIDs:\n" + "\n".join(result['txids']) + "\n\nRef: " + result[
        'ref'] + "\n\nWait a few seconds then check on: http://" +
          ('testnet.' if testnet else '') + 'coinsecrets.org/')