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- #!/usr/bin/env python
- #
- # mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
- # Copyright (C) 2013 by philemon <mmgen-py@yandex.com>
- #
- # 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-txsend: Broadcast a Bitcoin transaction to the network
- """
- import sys
- from mmgen.Opts import *
- from mmgen.license import *
- from mmgen.config import *
- from mmgen.tx import *
- from mmgen.utils import msg,check_opts,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] <signed transaction file>",
- 'options': """
- -h, --help Print this help message
- -d, --outdir d Specify an alternate directory 'd' for output
- -q, --quiet Suppress warnings; overwrite files without asking
- """
- }
- short_opts = "hd:q"
- long_opts = "help","outdir=","quiet"
- opts,cmd_args = process_opts(sys.argv,help_data,short_opts,long_opts)
- # Exits on invalid input
- check_opts(opts, ('outdir',))
- 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)
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