mmgen-wallet/mmgen/main_txcreate.py

#!/usr/bin/env python3
#
# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
# Copyright (C)2013-2019 The MMGen Project <mmgen@tuta.io>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""
mmgen-txcreate: Create a cryptocoin transaction with MMGen- and/or non-MMGen
                inputs and outputs
"""

from mmgen.common import *

opts_data = {
	'sets': [('yes', True, 'quiet', True)],
	'text': {
		'desc': 'Create a transaction with outputs to specified coin or {g.proj_name} addresses'.format(g=g),
		'usage':   '[opts]  <addr,amt> ... [change addr] [addr file] ...',
		'options': """
-h, --help            Print this help message
--, --longhelp        Print help message for long options (common options)
-a, --tx-fee-adj=  f  Adjust transaction fee by factor 'f' (see below)
-B, --no-blank        Don't blank screen before displaying unspent outputs
-c, --comment-file=f  Source the transaction's comment from file 'f'
-C, --tx-confs=    c  Desired number of confirmations (default: {g.tx_confs})
-d, --outdir=      d  Specify an alternate directory 'd' for output
-D, --contract-data=D Path to hex-encoded contract data (ETH only)
-f, --tx-fee=      f  Transaction fee, as a decimal {cu} amount or as
                      {fu} (an integer followed by {fl}).
                      See FEE SPECIFICATION below.  If omitted, fee will be
                      calculated using network fee estimation.
-g, --tx-gas=      g  Specify start gas amount in Wei (ETH only)
-i, --info            Display unspent outputs and exit
-I, --inputs=      i  Specify transaction inputs (comma-separated list of
                      MMGen IDs or coin addresses).  Note that ALL unspent
                      outputs associated with each address will be included.
-L, --locktime=    t  Lock time (block height or unix seconds) (default: 0)
-m, --minconf=     n  Minimum number of confirmations required to spend
                      outputs (default: 1)
-q, --quiet           Suppress warnings; overwrite files without prompting
-r, --rbf             Make transaction BIP 125 replaceable (replace-by-fee)
-v, --verbose         Produce more verbose output
-V, --vsize-adj=   f  Adjust transaction's estimated vsize by factor 'f'
-y, --yes             Answer 'yes' to prompts, suppress non-essential output
""",
		'notes': '\n{}{}',
	},
	'code': {
		'options': lambda s: s.format(
			fu=help_notes('rel_fee_desc'),
			fl=help_notes('fee_spec_letters'),
			cu=g.coin,
			g=g),
		'notes': lambda s: s.format(
			help_notes('txcreate'),
			help_notes('fee'))
	}
}

cmd_args = opts.init(opts_data)

rpc_init()

from mmgen.tx import MMGenTX
tx = MMGenTX()
tx.create(cmd_args,int(opt.locktime or 0),do_info=opt.info)
tx.write_to_file(ask_write=not opt.yes,ask_overwrite=not opt.yes,ask_write_default_yes=False)