#!/usr/bin/env python # # mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution # Copyright (C) 2013 by philemon # # 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 . """ mmgen-txsend: Broadcast a Bitcoin transaction to the network """ import sys from mmgen.Opts import * from mmgen.license import * import mmgen.config as g from mmgen.tx import * from mmgen.util import msg,check_infile,get_lines_from_file,confirm_or_exit prog_name = sys.argv[0].split("/")[-1] help_data = { 'prog_name': prog_name, 'desc': "Send a Bitcoin transaction signed by mmgen-txsign", 'usage': "[opts] ", 'options': """ -h, --help Print this help message -d, --outdir d Specify an alternate directory 'd' for output -q, --quiet Suppress warnings; overwrite files without prompting """ } short_opts = "hd:q" long_opts = "help","outdir=","quiet" opts,cmd_args = process_opts(sys.argv,help_data,short_opts,long_opts) check_opts(opts,long_opts) if len(cmd_args) == 1: infile = cmd_args[0] check_infile(infile) else: usage(help_data) # Begin execution try: metadata,tx_sig = get_lines_from_file(infile,"signed transaction") except: msg("Invalid signed transaction file") sys.exit(3) metadata = metadata.split() if len(metadata) != 3: msg("Invalid file header") sys.exit(3) from binascii import unhexlify try: unhexlify(tx_sig) except: msg("Invalid signed transaction data") sys.exit(3) if not 'quiet' in opts: do_license_msg() msg("\nSigned transaction file '%s' appears valid" % infile) warn = "Once this transaction is sent, there's no taking it back!" what = "broadcast this transaction to the network" expect = "yes, i really want to do this".upper() confirm_or_exit(warn, what, expect) msg("Sending transaction") c = connect_to_bitcoind() try: tx = c.sendrawtransaction(tx_sig) # tx = "deadbeef" except: msg("Unable to send transaction") sys.exit(3) msg("Transaction sent: %s" % tx) print_sent_tx_to_file(tx,metadata,opts)