Example #1
0
def multisig_script(public_keys, m=None):
    """Create a multisig redeeming script.

    Args:
        public_keys (list): List of hex-encoded public keys.
        m: Number of required signers.

    Returns:
        Hex-encoded redeem script.

    """
    n = len(public_keys)
    if m is None:
        m = n
    s = []

    # 0x50 + m
    s.append("".join(["5", hex(m)[-1]]))

    for k in public_keys:
        s.append(op_push(len(k) / 2))
        s.append(k)
    # 0x50 + n
    s.append("".join(["5", hex(n)[-1]]))
    s.append("ae")

    return "".join(s)
Example #2
0
def multisig_script(public_keys, m=None):
    """Create a multisig redeeming script.

    Args:
        public_keys (list): List of hex-encoded public keys.
        m: Number of required signers.

    Returns:
        Hex-encoded redeem script.

    """
    n = len(public_keys)
    if m is None: m = n
    s = []

    # 0x50 + m
    s.append(''.join(['5', hex(m)[-1]]))

    for k in public_keys:
        s.append(op_push(len(k) / 2))
        s.append(k)
    # 0x50 + n
    s.append(''.join(['5', hex(n)[-1]]))
    s.append('ae')

    return ''.join(s)
Example #3
0
"""Bitcoin scripting language."""

from util_coin import op_push

push_script = lambda x: op_push(len(x) / 2) + x
#
# Workalike python implementation of Bitcoin's CDataStream class.
#
import struct
import StringIO
import mmap
import random

NO_SIGNATURE = "ff"


class SerializationError(Exception):
    """ Thrown when there's a problem deserializing or serializing """


class BCDataStream(object):
    def __init__(self):
        self.input = None
        self.read_cursor = 0

    def clear(self):
        self.input = None
        self.read_cursor = 0

    def write(self, bytes):  # Initialize with string of bytes
        if self.input is None:
Example #4
0
def op_push(i):
    """Deprecated."""
    return util_coin.op_push(i)
Example #5
0
"""Bitcoin scripting language."""

from util_coin import op_push
push_script = lambda x: op_push(len(x) / 2) + x
#
# Workalike python implementation of Bitcoin's CDataStream class.
#
import struct
import StringIO
import mmap
import random

NO_SIGNATURE = 'ff'


class SerializationError(Exception):
    """ Thrown when there's a problem deserializing or serializing """


class BCDataStream(object):
    def __init__(self):
        self.input = None
        self.read_cursor = 0

    def clear(self):
        self.input = None
        self.read_cursor = 0

    def write(self, bytes):  # Initialize with string of bytes
        if self.input is None:
            self.input = bytes