Example #1
0
def main():
    parser = OptionParser(
        usage=
        'usage: %prog [options] utxo destaddr1 destaddr2 ..',
        description="For creating multiple utxos from one (for commitments in JM)."
                    "Provide a utxo in form txid:N that has some unspent coins;"
                    "Specify a list of destination addresses and the coins will"
                    "be split equally between them (after bitcoin fees)."

                    "You'll be prompted to enter the private key for the utxo"
                    "during the run; it must be in WIF compressed format."
                    "After the transaction is completed, the utxo strings for"

                    "the new outputs will be shown."
                    "Note that these utxos will not be ready for use as external"

                    "commitments in Joinmarket until 5 confirmations have passed."
                    " BE CAREFUL about handling private keys!"
                    " Don't do this in insecure environments."
                    " Also note this ONLY works for standard (p2pkh) utxos."
    )
    parser.add_option(
        '-v',
        '--validate-utxos',
        action='store_true',
        dest='validate',
        help='validate the utxos and pubkeys provided against the blockchain',
        default=False
    )
    parser.add_option(
        '-o',
        '--validate-only',
        action='store_true',
        dest='vonly',
        help='only validate the provided utxos (file or command line), not add',
        default=False
    )
    (options, args) = parser.parse_args()
    load_program_config()
    if len(args) < 2:
        quit(parser, 'Invalid syntax')
    u = args[0]
    priv = raw_input(
        'input private key for ' + u + ', in WIF compressed format : ')
    u, priv = get_utxo_info(','.join([u, priv]))
    if not u:
        quit(parser, "Failed to parse utxo info: " + u)
    destaddrs = args[1:]
    for d in destaddrs:
        if not validate_address(d):
            quit(parser, "Address was not valid; wrong network?: " + d)
    txsigned = sign(u, priv, destaddrs)
    log.debug("Got signed transaction:\n" + txsigned)
    log.debug("Deserialized:")
    log.debug(pformat(btc.deserialize(txsigned)))
    if raw_input('Would you like to push to the network? (y/n):')[0] != 'y':
        log.debug("You chose not to broadcast the transaction, quitting.")
        return
    jm_single().bc_interface.pushtx(txsigned)
Example #2
0
def main():
    parser = OptionParser(
        usage=
        'usage: %prog [options] [txid:n]',
        description="Adds one or more utxos to the list that can be used to make "
                    "commitments for anti-snooping. Note that this utxo, and its "
                    "PUBkey, will be revealed to makers, so consider the privacy "
                    "implication. "
                    
                    "It may be useful to those who are having trouble making "
                    "coinjoins due to several unsuccessful attempts (especially "
                    "if your joinmarket wallet is new). "
                    
                    "'Utxo' means unspent transaction output, it must not "
                    "already be spent. "
                    "The options -w, -r and -R offer ways to load these utxos "
                    "from a file or wallet. "
                    "If you enter a single utxo without these options, you will be "
                    "prompted to enter the private key here - it must be in "
                    "WIF compressed format. "

                    "BE CAREFUL about handling private keys! "
                    "Don't do this in insecure environments. "
                    
                    "Also note this ONLY works for standard (p2pkh) utxos."
    )
    parser.add_option(
        '-r',
        '--read-from-file',
        action='store',
        type='str',
        dest='in_file',
        help='name of plain text csv file containing utxos, one per line, format: '
        'txid:N, WIF-compressed-privkey'
    )
    parser.add_option(
        '-R',
        '--read-from-json',
        action='store',
        type='str',
        dest='in_json',
        help='name of json formatted file containing utxos with private keys, as '
        'output from "python wallet-tool.py -u -p walletname showutxos"'
        )
    parser.add_option(
        '-w',
        '--load-wallet',
        action='store',
        type='str',
        dest='loadwallet',
        help='name of wallet from which to load utxos and use as commitments.'
        )
    parser.add_option(
        '-g',
        '--gap-limit',
        action='store',
        type='int',
        dest='gaplimit',
        default = 6,
        help='Only to be used with -w; gap limit for Joinmarket wallet, default 6.'
    )
    parser.add_option(
        '-M',
        '--max-mixdepth',
        action='store',
        type='int',
        dest='maxmixdepth',
        default=5,
        help='Only to be used with -w; number of mixdepths for wallet, default 5.'
    )
    parser.add_option(
        '-d',
        '--delete-external',
        action='store_true',
        dest='delete_ext',
        help='deletes the current list of external commitment utxos',
        default=False
        )
    parser.add_option(
        '-v',
        '--validate-utxos',
        action='store_true',
        dest='validate',
        help='validate the utxos and pubkeys provided against the blockchain',
        default=False
    )
    parser.add_option(
        '-o',
        '--validate-only',
        action='store_true',
        dest='vonly',
        help='only validate the provided utxos (file or command line), not add',
        default=False
    )
    (options, args) = parser.parse_args()
    load_program_config()
    utxo_data = []
    if options.delete_ext:
        other = options.in_file or options.in_json or options.loadwallet
        if len(args) > 0 or other:
            if raw_input("You have chosen to delete commitments, other arguments "
                         "will be ignored; continue? (y/n)") != 'y':
                print "Quitting"
                sys.exit(0)
        c, e = btc.get_podle_commitments()
        print pformat(e)
        if raw_input(
            "You will remove the above commitments; are you sure? (y/n): ") != 'y':
            print "Quitting"
            sys.exit(0)
        btc.update_commitments(external_to_remove=e)
        print "Commitments deleted."
        sys.exit(0)

    #Three options (-w, -r, -R) for loading utxo and privkey pairs from a wallet,
    #csv file or json file.
    if options.loadwallet:
        os.chdir('..') #yuck (see earlier comment about package)
        wallet = Wallet(options.loadwallet,
                            options.maxmixdepth,
                            options.gaplimit)
        os.chdir(os.path.join(os.getcwd(), 'cmttools'))
        jm_single().bc_interface.sync_wallet(wallet)
        unsp = {}
        for u, av in wallet.unspent.iteritems():
                    addr = av['address']
                    key = wallet.get_key_from_addr(addr)
                    wifkey = btc.wif_compressed_privkey(key, vbyte=get_p2pk_vbyte())
                    unsp[u] = {'address': av['address'],
                               'value': av['value'], 'privkey': wifkey}
        for u, pva  in unsp.iteritems():
            utxo_data.append((u, pva['privkey']))
    elif options.in_file:
        with open(options.in_file, "rb") as f:
            utxo_info = f.readlines()
        for ul in utxo_info:
            ul = ul.rstrip()
            if ul:
                u, priv = get_utxo_info(ul)
                if not u:
                    quit(parser, "Failed to parse utxo info: " + str(ul))
                utxo_data.append((u, priv))
    elif options.in_json:
        if not os.path.isfile(options.in_json):
            print "File: " + options.in_json + " not found."
            sys.exit(0)
        with open(options.in_json, "rb") as f:
            try:
                utxo_json = json.loads(f.read())
            except:
                print "Failed to read json from " + options.in_json
                sys.exit(0)
        for u, pva in utxo_json.iteritems():
            utxo_data.append((u, pva['privkey']))
    elif len(args) == 1:
        u = args[0]
        priv = raw_input(
            'input private key for ' + u + ', in WIF compressed format : ')
        u, priv = get_utxo_info(','.join([u, priv]))
        if not u:
            quit(parser, "Failed to parse utxo info: " + u)
        utxo_data.append((u, priv))
    else:
        quit(parser, 'Invalid syntax')
    if options.validate or options.vonly:
        if not validate_utxo_data(utxo_data):
            quit(parser, "Utxos did not validate, quitting")
    if options.vonly:
        sys.exit(0)
    
    #We are adding utxos to the external list
    assert len(utxo_data)
    add_external_commitments(utxo_data)