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+#!/usr/bin/env python
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+#
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+# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
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+# Copyright (C) 2013 by philemon <mmgen-py@yandex.com>
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+#
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+# This program is free software: you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation, either version 3 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program. If not, see <http://www.gnu.org/licenses/>.
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+"""
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+mmgen-txsend: Broadcast a Bitcoin transaction to the network
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+"""
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+
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+import sys
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+#from hashlib import sha256
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+
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+from mmgen.Opts import *
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+from mmgen.license import *
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+from mmgen.config import *
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+from mmgen.tx import *
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+from mmgen.utils import msg,check_infile,get_lines_from_file,confirm_or_exit
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+
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+prog_name = sys.argv[0].split("/")[-1]
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+
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+help_data = {
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+ 'prog_name': prog_name,
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+ 'desc': "Sign a Bitcoin transaction generated by mmgen-txcreate",
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+ 'usage': "[opts] <transaction file>",
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+ 'options': """
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+-h, --help Print this help message
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+-q, --quiet Suppress warnings; overwrite files without asking
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+"""
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+}
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+
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+short_opts = "hq"
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+long_opts = "help","quiet"
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+
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+opts,cmd_args = process_opts(sys.argv,help_data,short_opts,long_opts)
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+
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+if len(cmd_args) == 1:
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+ infile = cmd_args[0]
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+ check_infile(infile)
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+else: usage(help_data)
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+
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+# Begin execution
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+
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+c = connect_to_bitcoind()
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+
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+tx_sig = get_lines_from_file(infile,"signed transaction")[0]
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+
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+from binascii import unhexlify
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+try: unhexlify(tx_sig)
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+except:
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+ msg("Invalid transaction data")
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+ sys.exit(3)
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+
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+msg("Successfully opened signed transaction file '%s'" % infile)
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+
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+confirm_or_exit("", "broadcast this transaction to the network")
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+
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+msg("Sending transaction")
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+
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+try:
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+ tx = c.sendrawtransaction(tx_sig)
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+except:
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+ msg("Unable to send transaction")
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+ sys.exit(3)
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+
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+msg("Transaction sent: %s" % tx)
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+
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+print_sent_tx_to_file(tx)
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philemon