separate files for wallet and interface
This commit is contained in:
parent
901d8db9c2
commit
128d39d52e
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@ -16,741 +16,13 @@
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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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import sys, base64, os, re, hashlib, socket, getpass, copy, operator, ast, random
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from decimal import Decimal
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try:
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import ecdsa
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from ecdsa.util import string_to_number, number_to_string
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except:
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print "python-ecdsa does not seem to be installed. Try 'sudo easy_install ecdsa'"
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sys.exit(1)
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try:
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import aes
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except:
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print "AES does not seem to be installed. Try 'sudo easy_install slowaes'"
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sys.exit(1)
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############ functions from pywallet #####################
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addrtype = 0
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def hash_160(public_key):
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md = hashlib.new('ripemd160')
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md.update(hashlib.sha256(public_key).digest())
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return md.digest()
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def public_key_to_bc_address(public_key):
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h160 = hash_160(public_key)
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return hash_160_to_bc_address(h160)
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def hash_160_to_bc_address(h160):
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vh160 = chr(addrtype) + h160
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h = Hash(vh160)
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addr = vh160 + h[0:4]
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return b58encode(addr)
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def bc_address_to_hash_160(addr):
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bytes = b58decode(addr, 25)
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return bytes[1:21]
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__b58chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
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__b58base = len(__b58chars)
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def b58encode(v):
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""" encode v, which is a string of bytes, to base58.
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"""
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long_value = 0L
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for (i, c) in enumerate(v[::-1]):
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long_value += (256**i) * ord(c)
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result = ''
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while long_value >= __b58base:
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div, mod = divmod(long_value, __b58base)
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result = __b58chars[mod] + result
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long_value = div
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result = __b58chars[long_value] + result
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# Bitcoin does a little leading-zero-compression:
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# leading 0-bytes in the input become leading-1s
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nPad = 0
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for c in v:
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if c == '\0': nPad += 1
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else: break
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return (__b58chars[0]*nPad) + result
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def b58decode(v, length):
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""" decode v into a string of len bytes
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"""
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long_value = 0L
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for (i, c) in enumerate(v[::-1]):
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long_value += __b58chars.find(c) * (__b58base**i)
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result = ''
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while long_value >= 256:
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div, mod = divmod(long_value, 256)
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result = chr(mod) + result
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long_value = div
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result = chr(long_value) + result
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nPad = 0
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for c in v:
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if c == __b58chars[0]: nPad += 1
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else: break
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result = chr(0)*nPad + result
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if length is not None and len(result) != length:
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return None
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return result
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def Hash(data):
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return hashlib.sha256(hashlib.sha256(data).digest()).digest()
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def EncodeBase58Check(vchIn):
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hash = Hash(vchIn)
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return b58encode(vchIn + hash[0:4])
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def DecodeBase58Check(psz):
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vchRet = b58decode(psz, None)
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key = vchRet[0:-4]
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csum = vchRet[-4:]
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hash = Hash(key)
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cs32 = hash[0:4]
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if cs32 != csum:
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return None
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else:
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return key
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def PrivKeyToSecret(privkey):
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return privkey[9:9+32]
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def SecretToASecret(secret):
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vchIn = chr(addrtype+128) + secret
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return EncodeBase58Check(vchIn)
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def ASecretToSecret(key):
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vch = DecodeBase58Check(key)
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if vch and vch[0] == chr(addrtype+128):
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return vch[1:]
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else:
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return False
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########### end pywallet functions #######################
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def int_to_hex(i, length=1):
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s = hex(i)[2:].rstrip('L')
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s = "0"*(2*length - len(s)) + s
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return s.decode('hex')[::-1].encode('hex')
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# URL decode
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_ud = re.compile('%([0-9a-hA-H]{2})', re.MULTILINE)
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urldecode = lambda x: _ud.sub(lambda m: chr(int(m.group(1), 16)), x)
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# AES
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EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))
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DecodeAES = lambda secret, e: aes.decryptData(secret, base64.b64decode(e))
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# secp256k1, http://www.oid-info.com/get/1.3.132.0.10
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_p = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2FL
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_r = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141L
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_b = 0x0000000000000000000000000000000000000000000000000000000000000007L
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_a = 0x0000000000000000000000000000000000000000000000000000000000000000L
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_Gx = 0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798L
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_Gy = 0x483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8L
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curve_secp256k1 = ecdsa.ellipticcurve.CurveFp( _p, _a, _b )
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generator_secp256k1 = ecdsa.ellipticcurve.Point( curve_secp256k1, _Gx, _Gy, _r )
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oid_secp256k1 = (1,3,132,0,10)
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SECP256k1 = ecdsa.curves.Curve("SECP256k1", curve_secp256k1, generator_secp256k1, oid_secp256k1 )
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def filter(s):
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out = re.sub('( [^\n]*|)\n','',s)
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out = out.replace(' ','')
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out = out.replace('\n','')
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return out
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def raw_tx( inputs, outputs, for_sig = None ):
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s = int_to_hex(1,4) + ' version\n'
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s += int_to_hex( len(inputs) ) + ' number of inputs\n'
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for i in range(len(inputs)):
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_, _, p_hash, p_index, p_script, pubkey, sig = inputs[i]
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s += p_hash.decode('hex')[::-1].encode('hex') + ' prev hash\n'
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s += int_to_hex(p_index,4) + ' prev index\n'
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if for_sig is None:
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sig = sig + chr(1) # hashtype
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script = int_to_hex( len(sig)) + ' push %d bytes\n'%len(sig)
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script += sig.encode('hex') + ' sig\n'
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pubkey = chr(4) + pubkey
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script += int_to_hex( len(pubkey)) + ' push %d bytes\n'%len(pubkey)
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script += pubkey.encode('hex') + ' pubkey\n'
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elif for_sig==i:
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script = p_script + ' scriptsig \n'
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else:
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script=''
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s += int_to_hex( len(filter(script))/2 ) + ' script length \n'
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s += script
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s += "ffffffff" + ' sequence\n'
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s += int_to_hex( len(outputs) ) + ' number of outputs\n'
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for output in outputs:
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addr, amount = output
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s += int_to_hex( amount, 8) + ' amount: %d\n'%amount
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script = '76a9' # op_dup, op_hash_160
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script += '14' # push 0x14 bytes
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script += bc_address_to_hash_160(addr).encode('hex')
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script += '88ac' # op_equalverify, op_checksig
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s += int_to_hex( len(filter(script))/2 ) + ' script length \n'
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s += script + ' script \n'
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s += int_to_hex(0,4) # lock time
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if for_sig is not None: s += int_to_hex(1, 4) # hash type
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return s
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from version import ELECTRUM_VERSION, SEED_VERSION
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class Interface:
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def __init__(self):
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self.servers = ['ecdsa.org','electrum.novit.ro'] # list of default servers
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self.host = random.choice( self.servers ) # random choice when the wallet is created
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self.rtime = 0
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self.blocks = 0
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self.message = ''
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self.set_port(50000)
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self.is_connected = False
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def set_port(self, port_number):
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self.port = port_number
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if self.use_http():
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self.handler = self.http_json_handler
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else:
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self.handler = self.native_handler
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def use_http(self):
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return self.port in [80,81,8080,8081]
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def native_handler(self, method, params = ''):
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import time
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cmds = {'session.new':'new_session',
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'peers':'peers',
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'session.poll':'poll',
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'session.update':'update_session',
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'blockchain.transaction.broadcast':'tx',
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'blockchain.address.get_history':'h'
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}
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cmd = cmds[method]
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if type(params) != type(''): params = repr( params )
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t1 = time.time()
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request = repr ( (cmd, params) ) + "#"
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s = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
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s.connect(( self.host, self.port))
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s.send( request )
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out = ''
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while 1:
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msg = s.recv(1024)
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if msg: out += msg
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else: break
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s.close()
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self.rtime = time.time() - t1
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self.is_connected = True
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if cmd in[ 'peers','h']:
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out = ast.literal_eval( out )
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return out
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def http_json_handler(self, method, params = []):
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import urllib2, json, time
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if type(params) != type([]): params = [ params ]
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t1 = time.time()
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data = { 'method':method, 'id':'jsonrpc', 'params':params }
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data_json = json.dumps(data)
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host = 'http://%s:%d'%(self.host,self.port)
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req = urllib2.Request(host, data_json, {'content-type': 'application/json'})
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response_stream = urllib2.urlopen(req)
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response = json.loads( response_stream.read() )
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out = response.get('result')
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if not out:
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print response
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self.rtime = time.time() - t1
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self.is_connected = True
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return out
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def send_tx(self, data):
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out = self.handler('blockchain.transaction.broadcast', data )
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return out
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def retrieve_history(self, address):
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out = self.handler('blockchain.address.get_history', address )
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return out
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def poll(self):
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out = self.handler('session.poll', self.session_id )
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blocks, changed_addr = ast.literal_eval( out )
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if blocks == -1: raise BaseException("session not found")
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self.blocks = int(blocks)
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return changed_addr
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def new_session(self, addresses, version):
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out = self.handler('session.new', [ version, addresses ] )
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self.session_id, self.message = ast.literal_eval( out )
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def update_session(self, addresses):
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out = self.handler('session.update', [ self.session_id, addresses ] )
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return out
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def get_servers(self):
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out = self.handler('peers')
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self.servers = map( lambda x:x[1], out )
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class Wallet:
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def __init__(self, interface):
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self.electrum_version = ELECTRUM_VERSION
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self.seed_version = SEED_VERSION
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self.gap_limit = 5 # configuration
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self.fee = 100000
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self.master_public_key = ''
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# saved fields
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self.use_encryption = False
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self.addresses = [] # receiving addresses visible for user
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self.change_addresses = [] # addresses used as change
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self.seed = '' # encrypted
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self.status = {} # current status of addresses
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self.history = {}
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self.labels = {} # labels for addresses and transactions
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self.addressbook = [] # outgoing addresses, for payments
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# not saved
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self.tx_history = {}
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self.imported_keys = {}
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self.interface = interface
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def set_path(self, wallet_path):
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if wallet_path is not None:
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self.path = wallet_path
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else:
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# backward compatibility: look for wallet file in the default data directory
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if "HOME" in os.environ:
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wallet_dir = os.path.join( os.environ["HOME"], '.electrum')
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elif "LOCALAPPDATA" in os.environ:
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wallet_dir = os.path.join( os.environ["LOCALAPPDATA"], 'Electrum' )
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elif "APPDATA" in os.environ:
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wallet_dir = os.path.join( os.environ["APPDATA"], 'Electrum' )
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else:
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raise BaseException("No home directory found in environment variables.")
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if not os.path.exists( wallet_dir ): os.mkdir( wallet_dir )
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self.path = os.path.join( wallet_dir, 'electrum.dat' )
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def import_key(self, keypair, password):
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address, key = keypair.split(':')
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if not self.is_valid(address): return False
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b = ASecretToSecret( key )
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if not b: return False
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secexp = int( b.encode('hex'), 16)
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private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve=SECP256k1 )
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# sanity check
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public_key = private_key.get_verifying_key()
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if not address == public_key_to_bc_address( '04'.decode('hex') + public_key.to_string() ): return False
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self.imported_keys[address] = self.pw_encode( key, password )
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return True
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def new_seed(self, password):
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seed = "%032x"%ecdsa.util.randrange( pow(2,128) )
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self.init_mpk(seed)
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# encrypt
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self.seed = wallet.pw_encode( seed, password )
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def init_mpk(self,seed):
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# public key
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curve = SECP256k1
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secexp = self.stretch_key(seed)
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master_private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve = SECP256k1 )
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self.master_public_key = master_private_key.get_verifying_key().to_string()
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def all_addresses(self):
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return self.addresses + self.change_addresses + self.imported_keys.keys()
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def is_mine(self, address):
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return address in self.all_addresses()
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def is_change(self, address):
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return address in self.change_addresses
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def is_valid(self,addr):
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ADDRESS_RE = re.compile('[1-9A-HJ-NP-Za-km-z]{26,}\\Z')
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if not ADDRESS_RE.match(addr): return False
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try:
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h = bc_address_to_hash_160(addr)
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except:
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return False
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return addr == hash_160_to_bc_address(h)
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def stretch_key(self,seed):
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oldseed = seed
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for i in range(100000):
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seed = hashlib.sha256(seed + oldseed).digest()
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return string_to_number( seed )
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def get_sequence(self,n,for_change):
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return string_to_number( Hash( "%d:%d:"%(n,for_change) + self.master_public_key ) )
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def get_private_key2(self, address, password):
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""" Privatekey(type,n) = Master_private_key + H(n|S|type) """
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order = generator_secp256k1.order()
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if address in self.imported_keys.keys():
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b = self.pw_decode( self.imported_keys[address], password )
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b = ASecretToSecret( b )
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secexp = int( b.encode('hex'), 16)
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else:
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if address in self.addresses:
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n = self.addresses.index(address)
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for_change = False
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elif address in self.change_addresses:
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n = self.change_addresses.index(address)
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for_change = True
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else:
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raise BaseException("unknown address")
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seed = self.pw_decode( self.seed, password)
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secexp = self.stretch_key(seed)
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secexp = ( secexp + self.get_sequence(n,for_change) ) % order
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pk = number_to_string(secexp,order)
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return pk
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def create_new_address2(self, for_change):
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""" Publickey(type,n) = Master_public_key + H(n|S|type)*point """
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curve = SECP256k1
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n = len(self.change_addresses) if for_change else len(self.addresses)
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z = self.get_sequence(n,for_change)
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master_public_key = ecdsa.VerifyingKey.from_string( self.master_public_key, curve = SECP256k1 )
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pubkey_point = master_public_key.pubkey.point + z*curve.generator
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public_key2 = ecdsa.VerifyingKey.from_public_point( pubkey_point, curve = SECP256k1 )
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address = public_key_to_bc_address( '04'.decode('hex') + public_key2.to_string() )
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if for_change:
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self.change_addresses.append(address)
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else:
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self.addresses.append(address)
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# updates
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print address
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self.history[address] = h = self.interface.retrieve_history(address)
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self.status[address] = h[-1]['blk_hash'] if h else None
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return address
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def synchronize(self):
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is_new = False
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while True:
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if self.change_addresses == []:
|
||||
self.create_new_address2(True)
|
||||
is_new = True
|
||||
continue
|
||||
a = self.change_addresses[-1]
|
||||
if self.history.get(a):
|
||||
self.create_new_address2(True)
|
||||
is_new = True
|
||||
else:
|
||||
break
|
||||
|
||||
n = self.gap_limit
|
||||
while True:
|
||||
if len(self.addresses) < n:
|
||||
self.create_new_address2(False)
|
||||
is_new = True
|
||||
continue
|
||||
if map( lambda a: self.history.get(a), self.addresses[-n:] ) == n*[[]]:
|
||||
break
|
||||
else:
|
||||
self.create_new_address2(False)
|
||||
is_new = True
|
||||
|
||||
|
||||
def is_found(self):
|
||||
return (len(self.change_addresses) > 1 ) or ( len(self.addresses) > self.gap_limit )
|
||||
|
||||
def fill_addressbook(self):
|
||||
for tx in self.tx_history.values():
|
||||
if tx['value']<0:
|
||||
for i in tx['outputs']:
|
||||
if not self.is_mine(i) and i not in self.addressbook:
|
||||
self.addressbook.append(i)
|
||||
# redo labels
|
||||
self.update_tx_labels()
|
||||
|
||||
|
||||
def save(self):
|
||||
s = {
|
||||
'seed_version':self.seed_version,
|
||||
'use_encryption':self.use_encryption,
|
||||
'master_public_key': self.master_public_key.encode('hex'),
|
||||
'fee':self.fee,
|
||||
'host':self.interface.host,
|
||||
'port':self.interface.port,
|
||||
'blocks':self.interface.blocks,
|
||||
'seed':self.seed,
|
||||
'addresses':self.addresses,
|
||||
'change_addresses':self.change_addresses,
|
||||
'status':self.status,
|
||||
'history':self.history,
|
||||
'labels':self.labels,
|
||||
'contacts':self.addressbook,
|
||||
'imported_keys':self.imported_keys,
|
||||
}
|
||||
f = open(self.path,"w")
|
||||
f.write( repr(s) )
|
||||
f.close()
|
||||
|
||||
def read(self):
|
||||
upgrade_msg = """This wallet seed is deprecated. Please run upgrade.py for a diagnostic."""
|
||||
try:
|
||||
f = open(self.path,"r")
|
||||
data = f.read()
|
||||
f.close()
|
||||
except:
|
||||
return False
|
||||
try:
|
||||
d = ast.literal_eval( data )
|
||||
self.seed_version = d.get('seed_version')
|
||||
self.master_public_key = d.get('master_public_key').decode('hex')
|
||||
self.use_encryption = d.get('use_encryption')
|
||||
self.fee = int( d.get('fee') )
|
||||
self.interface.host = d.get('host')
|
||||
self.interface.set_port( d.get('port') )
|
||||
self.interface.blocks = d.get('blocks')
|
||||
self.seed = d.get('seed')
|
||||
self.addresses = d.get('addresses')
|
||||
self.change_addresses = d.get('change_addresses')
|
||||
self.status = d.get('status')
|
||||
self.history = d.get('history')
|
||||
self.labels = d.get('labels')
|
||||
self.addressbook = d.get('contacts')
|
||||
self.imported_keys = d.get('imported_keys',{})
|
||||
except:
|
||||
raise BaseException(upgrade_msg)
|
||||
|
||||
self.update_tx_history()
|
||||
|
||||
if self.seed_version != SEED_VERSION:
|
||||
raise BaseException(upgrade_msg)
|
||||
|
||||
return True
|
||||
|
||||
def get_new_address(self):
|
||||
n = 0
|
||||
for addr in self.addresses[-self.gap_limit:]:
|
||||
if not self.history.get(addr):
|
||||
n = n + 1
|
||||
if n < self.gap_limit:
|
||||
new_address = self.create_new_address2(False)
|
||||
self.history[new_address] = [] #get from server
|
||||
return True, new_address
|
||||
else:
|
||||
return False, "The last %d addresses in your list have never been used. You should use them first, or increase the allowed gap size in your preferences. "%self.gap_limit
|
||||
|
||||
def get_addr_balance(self, addr):
|
||||
if self.is_mine(addr):
|
||||
h = self.history.get(addr)
|
||||
else:
|
||||
h = self.interface.retrieve_history(addr)
|
||||
if not h: return 0,0
|
||||
c = u = 0
|
||||
for item in h:
|
||||
v = item['value']
|
||||
if item['height']:
|
||||
c += v
|
||||
else:
|
||||
u += v
|
||||
return c, u
|
||||
|
||||
def get_balance(self):
|
||||
conf = unconf = 0
|
||||
for addr in self.all_addresses():
|
||||
c, u = self.get_addr_balance(addr)
|
||||
conf += c
|
||||
unconf += u
|
||||
return conf, unconf
|
||||
|
||||
def update(self):
|
||||
is_new = False
|
||||
changed_addresses = self.interface.poll()
|
||||
for addr, blk_hash in changed_addresses.items():
|
||||
if self.status.get(addr) != blk_hash:
|
||||
print "updating history for", addr
|
||||
self.history[addr] = self.interface.retrieve_history(addr)
|
||||
self.status[addr] = blk_hash
|
||||
is_new = True
|
||||
|
||||
if is_new:
|
||||
self.synchronize()
|
||||
self.update_tx_history()
|
||||
self.save()
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
def choose_tx_inputs( self, amount, fixed_fee ):
|
||||
""" todo: minimize tx size """
|
||||
total = 0
|
||||
fee = self.fee if fixed_fee is None else fixed_fee
|
||||
|
||||
coins = []
|
||||
for addr in self.all_addresses():
|
||||
h = self.history.get(addr)
|
||||
if h is None: continue
|
||||
for item in h:
|
||||
if item.get('raw_scriptPubKey'):
|
||||
coins.append( (addr,item))
|
||||
|
||||
coins = sorted( coins, key = lambda x: x[1]['nTime'] )
|
||||
inputs = []
|
||||
for c in coins:
|
||||
addr, item = c
|
||||
v = item.get('value')
|
||||
total += v
|
||||
inputs.append((addr, v, item['tx_hash'], item['pos'], item['raw_scriptPubKey'], None, None) )
|
||||
fee = self.fee*len(inputs) if fixed_fee is None else fixed_fee
|
||||
if total >= amount + fee: break
|
||||
else:
|
||||
#print "not enough funds: %d %d"%(total, fee)
|
||||
inputs = []
|
||||
return inputs, total, fee
|
||||
|
||||
def choose_tx_outputs( self, to_addr, amount, fee, total ):
|
||||
outputs = [ (to_addr, amount) ]
|
||||
change_amount = total - ( amount + fee )
|
||||
if change_amount != 0:
|
||||
# normally, the update thread should ensure that the last change address is unused
|
||||
outputs.append( ( self.change_addresses[-1], change_amount) )
|
||||
return outputs
|
||||
|
||||
def sign_inputs( self, inputs, outputs, password ):
|
||||
s_inputs = []
|
||||
for i in range(len(inputs)):
|
||||
addr, v, p_hash, p_pos, p_scriptPubKey, _, _ = inputs[i]
|
||||
private_key = ecdsa.SigningKey.from_string( self.get_private_key2(addr, password), curve = SECP256k1 )
|
||||
public_key = private_key.get_verifying_key()
|
||||
pubkey = public_key.to_string()
|
||||
tx = filter( raw_tx( inputs, outputs, for_sig = i ) )
|
||||
sig = private_key.sign_digest( Hash( tx.decode('hex') ), sigencode = ecdsa.util.sigencode_der )
|
||||
assert public_key.verify_digest( sig, Hash( tx.decode('hex') ), sigdecode = ecdsa.util.sigdecode_der)
|
||||
s_inputs.append( (addr, v, p_hash, p_pos, p_scriptPubKey, pubkey, sig) )
|
||||
return s_inputs
|
||||
|
||||
def pw_encode(self, s, password):
|
||||
if password:
|
||||
secret = Hash(password)
|
||||
return EncodeAES(secret, s)
|
||||
else:
|
||||
return s
|
||||
|
||||
def pw_decode(self, s, password):
|
||||
if password is not None:
|
||||
secret = Hash(password)
|
||||
d = DecodeAES(secret, s)
|
||||
if s == self.seed:
|
||||
try:
|
||||
d.decode('hex')
|
||||
except:
|
||||
raise BaseException("Invalid password")
|
||||
return d
|
||||
else:
|
||||
return s
|
||||
|
||||
def get_tx_history(self):
|
||||
lines = self.tx_history.values()
|
||||
lines = sorted(lines, key=operator.itemgetter("nTime"))
|
||||
return lines
|
||||
|
||||
def update_tx_history(self):
|
||||
self.tx_history= {}
|
||||
for addr in self.all_addresses():
|
||||
h = self.history.get(addr)
|
||||
if h is None: continue
|
||||
for tx in h:
|
||||
tx_hash = tx['tx_hash']
|
||||
line = self.tx_history.get(tx_hash)
|
||||
if not line:
|
||||
self.tx_history[tx_hash] = copy.copy(tx)
|
||||
line = self.tx_history.get(tx_hash)
|
||||
else:
|
||||
line['value'] += tx['value']
|
||||
if line['height'] == 0:
|
||||
line['nTime'] = 1e12
|
||||
self.update_tx_labels()
|
||||
|
||||
def update_tx_labels(self):
|
||||
for tx in self.tx_history.values():
|
||||
default_label = ''
|
||||
if tx['value']<0:
|
||||
for o_addr in tx['outputs']:
|
||||
if not self.is_change(o_addr):
|
||||
dest_label = self.labels.get(o_addr)
|
||||
if dest_label:
|
||||
default_label = 'to: ' + dest_label
|
||||
else:
|
||||
default_label = 'to: ' + o_addr
|
||||
else:
|
||||
for o_addr in tx['outputs']:
|
||||
if self.is_mine(o_addr) and not self.is_change(o_addr):
|
||||
dest_label = self.labels.get(o_addr)
|
||||
if dest_label:
|
||||
default_label = 'at: ' + dest_label
|
||||
else:
|
||||
default_label = 'at: ' + o_addr
|
||||
tx['default_label'] = default_label
|
||||
|
||||
def mktx(self, to_address, amount, label, password, fee=None):
|
||||
if not self.is_valid(to_address):
|
||||
raise BaseException("Invalid address")
|
||||
inputs, total, fee = wallet.choose_tx_inputs( amount, fee )
|
||||
if not inputs:
|
||||
raise BaseException("Not enough funds")
|
||||
outputs = wallet.choose_tx_outputs( to_address, amount, fee, total )
|
||||
s_inputs = wallet.sign_inputs( inputs, outputs, password )
|
||||
|
||||
tx = filter( raw_tx( s_inputs, outputs ) )
|
||||
if to_address not in self.addressbook:
|
||||
self.addressbook.append(to_address)
|
||||
if label:
|
||||
tx_hash = Hash(tx.decode('hex') )[::-1].encode('hex')
|
||||
wallet.labels[tx_hash] = label
|
||||
wallet.save()
|
||||
return tx
|
||||
|
||||
def sendtx(self, tx):
|
||||
tx_hash = Hash(tx.decode('hex') )[::-1].encode('hex')
|
||||
out = self.interface.send_tx(tx)
|
||||
if out != tx_hash:
|
||||
return False, "error: " + out
|
||||
return True, out
|
||||
|
||||
|
||||
import re,sys
|
||||
|
||||
from optparse import OptionParser
|
||||
|
||||
from wallet import Wallet
|
||||
from interface import Interface
|
||||
|
||||
if __name__ == '__main__':
|
||||
known_commands = ['help', 'validateaddress', 'balance', 'contacts', 'create', 'payto', 'sendtx', 'password', 'newaddress', 'addresses', 'history', 'label', 'gui', 'mktx','seed','import']
|
||||
|
||||
|
|
|
@ -0,0 +1,112 @@
|
|||
#!/usr/bin/env python
|
||||
#
|
||||
# Electrum - lightweight Bitcoin client
|
||||
# Copyright (C) 2011 thomasv@gitorious
|
||||
#
|
||||
# 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/>.
|
||||
|
||||
|
||||
import random, socket, ast
|
||||
|
||||
class Interface:
|
||||
def __init__(self):
|
||||
self.servers = ['ecdsa.org','electrum.novit.ro'] # list of default servers
|
||||
self.host = random.choice( self.servers ) # random choice when the wallet is created
|
||||
self.rtime = 0
|
||||
self.blocks = 0
|
||||
self.message = ''
|
||||
self.set_port(50000)
|
||||
self.is_connected = False
|
||||
|
||||
def set_port(self, port_number):
|
||||
self.port = port_number
|
||||
if self.use_http():
|
||||
self.handler = self.http_json_handler
|
||||
else:
|
||||
self.handler = self.native_handler
|
||||
|
||||
def use_http(self):
|
||||
return self.port in [80,81,8080,8081]
|
||||
|
||||
def native_handler(self, method, params = ''):
|
||||
import time
|
||||
cmds = {'session.new':'new_session',
|
||||
'peers':'peers',
|
||||
'session.poll':'poll',
|
||||
'session.update':'update_session',
|
||||
'blockchain.transaction.broadcast':'tx',
|
||||
'blockchain.address.get_history':'h'
|
||||
}
|
||||
cmd = cmds[method]
|
||||
if type(params) != type(''): params = repr( params )
|
||||
t1 = time.time()
|
||||
request = repr ( (cmd, params) ) + "#"
|
||||
s = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
|
||||
s.connect(( self.host, self.port))
|
||||
s.send( request )
|
||||
out = ''
|
||||
while 1:
|
||||
msg = s.recv(1024)
|
||||
if msg: out += msg
|
||||
else: break
|
||||
s.close()
|
||||
self.rtime = time.time() - t1
|
||||
self.is_connected = True
|
||||
if cmd in[ 'peers','h']:
|
||||
out = ast.literal_eval( out )
|
||||
return out
|
||||
|
||||
def http_json_handler(self, method, params = []):
|
||||
import urllib2, json, time
|
||||
if type(params) != type([]): params = [ params ]
|
||||
t1 = time.time()
|
||||
data = { 'method':method, 'id':'jsonrpc', 'params':params }
|
||||
data_json = json.dumps(data)
|
||||
host = 'http://%s:%d'%(self.host,self.port)
|
||||
req = urllib2.Request(host, data_json, {'content-type': 'application/json'})
|
||||
response_stream = urllib2.urlopen(req)
|
||||
response = json.loads( response_stream.read() )
|
||||
out = response.get('result')
|
||||
if not out:
|
||||
print response
|
||||
self.rtime = time.time() - t1
|
||||
self.is_connected = True
|
||||
return out
|
||||
|
||||
def send_tx(self, data):
|
||||
out = self.handler('blockchain.transaction.broadcast', data )
|
||||
return out
|
||||
|
||||
def retrieve_history(self, address):
|
||||
out = self.handler('blockchain.address.get_history', address )
|
||||
return out
|
||||
|
||||
def poll(self):
|
||||
out = self.handler('session.poll', self.session_id )
|
||||
blocks, changed_addr = ast.literal_eval( out )
|
||||
if blocks == -1: raise BaseException("session not found")
|
||||
self.blocks = int(blocks)
|
||||
return changed_addr
|
||||
|
||||
def new_session(self, addresses, version):
|
||||
out = self.handler('session.new', [ version, addresses ] )
|
||||
self.session_id, self.message = ast.literal_eval( out )
|
||||
|
||||
def update_session(self, addresses):
|
||||
out = self.handler('session.update', [ self.session_id, addresses ] )
|
||||
return out
|
||||
|
||||
def get_servers(self):
|
||||
out = self.handler('peers')
|
||||
self.servers = map( lambda x:x[1], out )
|
|
@ -0,0 +1,658 @@
|
|||
#!/usr/bin/env python
|
||||
#
|
||||
# Electrum - lightweight Bitcoin client
|
||||
# Copyright (C) 2011 thomasv@gitorious
|
||||
#
|
||||
# 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/>.
|
||||
|
||||
|
||||
import sys, base64, os, re, hashlib, socket, getpass, copy, operator, ast, random
|
||||
from decimal import Decimal
|
||||
|
||||
try:
|
||||
import ecdsa
|
||||
from ecdsa.util import string_to_number, number_to_string
|
||||
except:
|
||||
print "python-ecdsa does not seem to be installed. Try 'sudo easy_install ecdsa'"
|
||||
sys.exit(1)
|
||||
|
||||
try:
|
||||
import aes
|
||||
except:
|
||||
print "AES does not seem to be installed. Try 'sudo easy_install slowaes'"
|
||||
sys.exit(1)
|
||||
|
||||
|
||||
############ functions from pywallet #####################
|
||||
|
||||
addrtype = 0
|
||||
|
||||
def hash_160(public_key):
|
||||
md = hashlib.new('ripemd160')
|
||||
md.update(hashlib.sha256(public_key).digest())
|
||||
return md.digest()
|
||||
|
||||
def public_key_to_bc_address(public_key):
|
||||
h160 = hash_160(public_key)
|
||||
return hash_160_to_bc_address(h160)
|
||||
|
||||
def hash_160_to_bc_address(h160):
|
||||
vh160 = chr(addrtype) + h160
|
||||
h = Hash(vh160)
|
||||
addr = vh160 + h[0:4]
|
||||
return b58encode(addr)
|
||||
|
||||
def bc_address_to_hash_160(addr):
|
||||
bytes = b58decode(addr, 25)
|
||||
return bytes[1:21]
|
||||
|
||||
__b58chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
|
||||
__b58base = len(__b58chars)
|
||||
|
||||
def b58encode(v):
|
||||
""" encode v, which is a string of bytes, to base58.
|
||||
"""
|
||||
|
||||
long_value = 0L
|
||||
for (i, c) in enumerate(v[::-1]):
|
||||
long_value += (256**i) * ord(c)
|
||||
|
||||
result = ''
|
||||
while long_value >= __b58base:
|
||||
div, mod = divmod(long_value, __b58base)
|
||||
result = __b58chars[mod] + result
|
||||
long_value = div
|
||||
result = __b58chars[long_value] + result
|
||||
|
||||
# Bitcoin does a little leading-zero-compression:
|
||||
# leading 0-bytes in the input become leading-1s
|
||||
nPad = 0
|
||||
for c in v:
|
||||
if c == '\0': nPad += 1
|
||||
else: break
|
||||
|
||||
return (__b58chars[0]*nPad) + result
|
||||
|
||||
def b58decode(v, length):
|
||||
""" decode v into a string of len bytes
|
||||
"""
|
||||
long_value = 0L
|
||||
for (i, c) in enumerate(v[::-1]):
|
||||
long_value += __b58chars.find(c) * (__b58base**i)
|
||||
|
||||
result = ''
|
||||
while long_value >= 256:
|
||||
div, mod = divmod(long_value, 256)
|
||||
result = chr(mod) + result
|
||||
long_value = div
|
||||
result = chr(long_value) + result
|
||||
|
||||
nPad = 0
|
||||
for c in v:
|
||||
if c == __b58chars[0]: nPad += 1
|
||||
else: break
|
||||
|
||||
result = chr(0)*nPad + result
|
||||
if length is not None and len(result) != length:
|
||||
return None
|
||||
|
||||
return result
|
||||
|
||||
|
||||
def Hash(data):
|
||||
return hashlib.sha256(hashlib.sha256(data).digest()).digest()
|
||||
|
||||
def EncodeBase58Check(vchIn):
|
||||
hash = Hash(vchIn)
|
||||
return b58encode(vchIn + hash[0:4])
|
||||
|
||||
def DecodeBase58Check(psz):
|
||||
vchRet = b58decode(psz, None)
|
||||
key = vchRet[0:-4]
|
||||
csum = vchRet[-4:]
|
||||
hash = Hash(key)
|
||||
cs32 = hash[0:4]
|
||||
if cs32 != csum:
|
||||
return None
|
||||
else:
|
||||
return key
|
||||
|
||||
def PrivKeyToSecret(privkey):
|
||||
return privkey[9:9+32]
|
||||
|
||||
def SecretToASecret(secret):
|
||||
vchIn = chr(addrtype+128) + secret
|
||||
return EncodeBase58Check(vchIn)
|
||||
|
||||
def ASecretToSecret(key):
|
||||
vch = DecodeBase58Check(key)
|
||||
if vch and vch[0] == chr(addrtype+128):
|
||||
return vch[1:]
|
||||
else:
|
||||
return False
|
||||
|
||||
########### end pywallet functions #######################
|
||||
|
||||
|
||||
def int_to_hex(i, length=1):
|
||||
s = hex(i)[2:].rstrip('L')
|
||||
s = "0"*(2*length - len(s)) + s
|
||||
return s.decode('hex')[::-1].encode('hex')
|
||||
|
||||
|
||||
# URL decode
|
||||
_ud = re.compile('%([0-9a-hA-H]{2})', re.MULTILINE)
|
||||
urldecode = lambda x: _ud.sub(lambda m: chr(int(m.group(1), 16)), x)
|
||||
|
||||
# AES
|
||||
EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))
|
||||
DecodeAES = lambda secret, e: aes.decryptData(secret, base64.b64decode(e))
|
||||
|
||||
|
||||
|
||||
# secp256k1, http://www.oid-info.com/get/1.3.132.0.10
|
||||
_p = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2FL
|
||||
_r = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141L
|
||||
_b = 0x0000000000000000000000000000000000000000000000000000000000000007L
|
||||
_a = 0x0000000000000000000000000000000000000000000000000000000000000000L
|
||||
_Gx = 0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798L
|
||||
_Gy = 0x483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8L
|
||||
curve_secp256k1 = ecdsa.ellipticcurve.CurveFp( _p, _a, _b )
|
||||
generator_secp256k1 = ecdsa.ellipticcurve.Point( curve_secp256k1, _Gx, _Gy, _r )
|
||||
oid_secp256k1 = (1,3,132,0,10)
|
||||
SECP256k1 = ecdsa.curves.Curve("SECP256k1", curve_secp256k1, generator_secp256k1, oid_secp256k1 )
|
||||
|
||||
|
||||
def filter(s):
|
||||
out = re.sub('( [^\n]*|)\n','',s)
|
||||
out = out.replace(' ','')
|
||||
out = out.replace('\n','')
|
||||
return out
|
||||
|
||||
def raw_tx( inputs, outputs, for_sig = None ):
|
||||
s = int_to_hex(1,4) + ' version\n'
|
||||
s += int_to_hex( len(inputs) ) + ' number of inputs\n'
|
||||
for i in range(len(inputs)):
|
||||
_, _, p_hash, p_index, p_script, pubkey, sig = inputs[i]
|
||||
s += p_hash.decode('hex')[::-1].encode('hex') + ' prev hash\n'
|
||||
s += int_to_hex(p_index,4) + ' prev index\n'
|
||||
if for_sig is None:
|
||||
sig = sig + chr(1) # hashtype
|
||||
script = int_to_hex( len(sig)) + ' push %d bytes\n'%len(sig)
|
||||
script += sig.encode('hex') + ' sig\n'
|
||||
pubkey = chr(4) + pubkey
|
||||
script += int_to_hex( len(pubkey)) + ' push %d bytes\n'%len(pubkey)
|
||||
script += pubkey.encode('hex') + ' pubkey\n'
|
||||
elif for_sig==i:
|
||||
script = p_script + ' scriptsig \n'
|
||||
else:
|
||||
script=''
|
||||
s += int_to_hex( len(filter(script))/2 ) + ' script length \n'
|
||||
s += script
|
||||
s += "ffffffff" + ' sequence\n'
|
||||
s += int_to_hex( len(outputs) ) + ' number of outputs\n'
|
||||
for output in outputs:
|
||||
addr, amount = output
|
||||
s += int_to_hex( amount, 8) + ' amount: %d\n'%amount
|
||||
script = '76a9' # op_dup, op_hash_160
|
||||
script += '14' # push 0x14 bytes
|
||||
script += bc_address_to_hash_160(addr).encode('hex')
|
||||
script += '88ac' # op_equalverify, op_checksig
|
||||
s += int_to_hex( len(filter(script))/2 ) + ' script length \n'
|
||||
s += script + ' script \n'
|
||||
s += int_to_hex(0,4) # lock time
|
||||
if for_sig is not None: s += int_to_hex(1, 4) # hash type
|
||||
return s
|
||||
|
||||
|
||||
|
||||
|
||||
from version import ELECTRUM_VERSION, SEED_VERSION
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
class Wallet:
|
||||
def __init__(self, interface):
|
||||
|
||||
self.electrum_version = ELECTRUM_VERSION
|
||||
self.seed_version = SEED_VERSION
|
||||
|
||||
self.gap_limit = 5 # configuration
|
||||
self.fee = 100000
|
||||
self.master_public_key = ''
|
||||
|
||||
# saved fields
|
||||
self.use_encryption = False
|
||||
self.addresses = [] # receiving addresses visible for user
|
||||
self.change_addresses = [] # addresses used as change
|
||||
self.seed = '' # encrypted
|
||||
self.status = {} # current status of addresses
|
||||
self.history = {}
|
||||
self.labels = {} # labels for addresses and transactions
|
||||
self.addressbook = [] # outgoing addresses, for payments
|
||||
|
||||
# not saved
|
||||
self.tx_history = {}
|
||||
|
||||
self.imported_keys = {}
|
||||
|
||||
self.interface = interface
|
||||
|
||||
|
||||
def set_path(self, wallet_path):
|
||||
|
||||
if wallet_path is not None:
|
||||
self.path = wallet_path
|
||||
else:
|
||||
# backward compatibility: look for wallet file in the default data directory
|
||||
if "HOME" in os.environ:
|
||||
wallet_dir = os.path.join( os.environ["HOME"], '.electrum')
|
||||
elif "LOCALAPPDATA" in os.environ:
|
||||
wallet_dir = os.path.join( os.environ["LOCALAPPDATA"], 'Electrum' )
|
||||
elif "APPDATA" in os.environ:
|
||||
wallet_dir = os.path.join( os.environ["APPDATA"], 'Electrum' )
|
||||
else:
|
||||
raise BaseException("No home directory found in environment variables.")
|
||||
|
||||
if not os.path.exists( wallet_dir ): os.mkdir( wallet_dir )
|
||||
self.path = os.path.join( wallet_dir, 'electrum.dat' )
|
||||
|
||||
def import_key(self, keypair, password):
|
||||
address, key = keypair.split(':')
|
||||
if not self.is_valid(address): return False
|
||||
b = ASecretToSecret( key )
|
||||
if not b: return False
|
||||
secexp = int( b.encode('hex'), 16)
|
||||
private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve=SECP256k1 )
|
||||
# sanity check
|
||||
public_key = private_key.get_verifying_key()
|
||||
if not address == public_key_to_bc_address( '04'.decode('hex') + public_key.to_string() ): return False
|
||||
self.imported_keys[address] = self.pw_encode( key, password )
|
||||
return True
|
||||
|
||||
def new_seed(self, password):
|
||||
seed = "%032x"%ecdsa.util.randrange( pow(2,128) )
|
||||
self.init_mpk(seed)
|
||||
# encrypt
|
||||
self.seed = wallet.pw_encode( seed, password )
|
||||
|
||||
def init_mpk(self,seed):
|
||||
# public key
|
||||
curve = SECP256k1
|
||||
secexp = self.stretch_key(seed)
|
||||
master_private_key = ecdsa.SigningKey.from_secret_exponent( secexp, curve = SECP256k1 )
|
||||
self.master_public_key = master_private_key.get_verifying_key().to_string()
|
||||
|
||||
def all_addresses(self):
|
||||
return self.addresses + self.change_addresses + self.imported_keys.keys()
|
||||
|
||||
def is_mine(self, address):
|
||||
return address in self.all_addresses()
|
||||
|
||||
def is_change(self, address):
|
||||
return address in self.change_addresses
|
||||
|
||||
def is_valid(self,addr):
|
||||
ADDRESS_RE = re.compile('[1-9A-HJ-NP-Za-km-z]{26,}\\Z')
|
||||
if not ADDRESS_RE.match(addr): return False
|
||||
try:
|
||||
h = bc_address_to_hash_160(addr)
|
||||
except:
|
||||
return False
|
||||
return addr == hash_160_to_bc_address(h)
|
||||
|
||||
def stretch_key(self,seed):
|
||||
oldseed = seed
|
||||
for i in range(100000):
|
||||
seed = hashlib.sha256(seed + oldseed).digest()
|
||||
return string_to_number( seed )
|
||||
|
||||
def get_sequence(self,n,for_change):
|
||||
return string_to_number( Hash( "%d:%d:"%(n,for_change) + self.master_public_key ) )
|
||||
|
||||
def get_private_key2(self, address, password):
|
||||
""" Privatekey(type,n) = Master_private_key + H(n|S|type) """
|
||||
order = generator_secp256k1.order()
|
||||
|
||||
if address in self.imported_keys.keys():
|
||||
b = self.pw_decode( self.imported_keys[address], password )
|
||||
b = ASecretToSecret( b )
|
||||
secexp = int( b.encode('hex'), 16)
|
||||
else:
|
||||
if address in self.addresses:
|
||||
n = self.addresses.index(address)
|
||||
for_change = False
|
||||
elif address in self.change_addresses:
|
||||
n = self.change_addresses.index(address)
|
||||
for_change = True
|
||||
else:
|
||||
raise BaseException("unknown address")
|
||||
seed = self.pw_decode( self.seed, password)
|
||||
secexp = self.stretch_key(seed)
|
||||
secexp = ( secexp + self.get_sequence(n,for_change) ) % order
|
||||
|
||||
pk = number_to_string(secexp,order)
|
||||
return pk
|
||||
|
||||
|
||||
|
||||
def create_new_address2(self, for_change):
|
||||
""" Publickey(type,n) = Master_public_key + H(n|S|type)*point """
|
||||
curve = SECP256k1
|
||||
n = len(self.change_addresses) if for_change else len(self.addresses)
|
||||
z = self.get_sequence(n,for_change)
|
||||
master_public_key = ecdsa.VerifyingKey.from_string( self.master_public_key, curve = SECP256k1 )
|
||||
pubkey_point = master_public_key.pubkey.point + z*curve.generator
|
||||
public_key2 = ecdsa.VerifyingKey.from_public_point( pubkey_point, curve = SECP256k1 )
|
||||
address = public_key_to_bc_address( '04'.decode('hex') + public_key2.to_string() )
|
||||
if for_change:
|
||||
self.change_addresses.append(address)
|
||||
else:
|
||||
self.addresses.append(address)
|
||||
|
||||
# updates
|
||||
print address
|
||||
self.history[address] = h = self.interface.retrieve_history(address)
|
||||
self.status[address] = h[-1]['blk_hash'] if h else None
|
||||
return address
|
||||
|
||||
|
||||
def synchronize(self):
|
||||
is_new = False
|
||||
while True:
|
||||
if self.change_addresses == []:
|
||||
self.create_new_address2(True)
|
||||
is_new = True
|
||||
continue
|
||||
a = self.change_addresses[-1]
|
||||
if self.history.get(a):
|
||||
self.create_new_address2(True)
|
||||
is_new = True
|
||||
else:
|
||||
break
|
||||
|
||||
n = self.gap_limit
|
||||
while True:
|
||||
if len(self.addresses) < n:
|
||||
self.create_new_address2(False)
|
||||
is_new = True
|
||||
continue
|
||||
if map( lambda a: self.history.get(a), self.addresses[-n:] ) == n*[[]]:
|
||||
break
|
||||
else:
|
||||
self.create_new_address2(False)
|
||||
is_new = True
|
||||
|
||||
|
||||
def is_found(self):
|
||||
return (len(self.change_addresses) > 1 ) or ( len(self.addresses) > self.gap_limit )
|
||||
|
||||
def fill_addressbook(self):
|
||||
for tx in self.tx_history.values():
|
||||
if tx['value']<0:
|
||||
for i in tx['outputs']:
|
||||
if not self.is_mine(i) and i not in self.addressbook:
|
||||
self.addressbook.append(i)
|
||||
# redo labels
|
||||
self.update_tx_labels()
|
||||
|
||||
|
||||
def save(self):
|
||||
s = {
|
||||
'seed_version':self.seed_version,
|
||||
'use_encryption':self.use_encryption,
|
||||
'master_public_key': self.master_public_key.encode('hex'),
|
||||
'fee':self.fee,
|
||||
'host':self.interface.host,
|
||||
'port':self.interface.port,
|
||||
'blocks':self.interface.blocks,
|
||||
'seed':self.seed,
|
||||
'addresses':self.addresses,
|
||||
'change_addresses':self.change_addresses,
|
||||
'status':self.status,
|
||||
'history':self.history,
|
||||
'labels':self.labels,
|
||||
'contacts':self.addressbook,
|
||||
'imported_keys':self.imported_keys,
|
||||
}
|
||||
f = open(self.path,"w")
|
||||
f.write( repr(s) )
|
||||
f.close()
|
||||
|
||||
def read(self):
|
||||
upgrade_msg = """This wallet seed is deprecated. Please run upgrade.py for a diagnostic."""
|
||||
try:
|
||||
f = open(self.path,"r")
|
||||
data = f.read()
|
||||
f.close()
|
||||
except:
|
||||
return False
|
||||
try:
|
||||
d = ast.literal_eval( data )
|
||||
self.seed_version = d.get('seed_version')
|
||||
self.master_public_key = d.get('master_public_key').decode('hex')
|
||||
self.use_encryption = d.get('use_encryption')
|
||||
self.fee = int( d.get('fee') )
|
||||
self.interface.host = d.get('host')
|
||||
self.interface.set_port( d.get('port') )
|
||||
self.interface.blocks = d.get('blocks')
|
||||
self.seed = d.get('seed')
|
||||
self.addresses = d.get('addresses')
|
||||
self.change_addresses = d.get('change_addresses')
|
||||
self.status = d.get('status')
|
||||
self.history = d.get('history')
|
||||
self.labels = d.get('labels')
|
||||
self.addressbook = d.get('contacts')
|
||||
self.imported_keys = d.get('imported_keys',{})
|
||||
except:
|
||||
raise BaseException(upgrade_msg)
|
||||
|
||||
self.update_tx_history()
|
||||
|
||||
if self.seed_version != SEED_VERSION:
|
||||
raise BaseException(upgrade_msg)
|
||||
|
||||
return True
|
||||
|
||||
def get_new_address(self):
|
||||
n = 0
|
||||
for addr in self.addresses[-self.gap_limit:]:
|
||||
if not self.history.get(addr):
|
||||
n = n + 1
|
||||
if n < self.gap_limit:
|
||||
new_address = self.create_new_address2(False)
|
||||
self.history[new_address] = [] #get from server
|
||||
return True, new_address
|
||||
else:
|
||||
return False, "The last %d addresses in your list have never been used. You should use them first, or increase the allowed gap size in your preferences. "%self.gap_limit
|
||||
|
||||
def get_addr_balance(self, addr):
|
||||
if self.is_mine(addr):
|
||||
h = self.history.get(addr)
|
||||
else:
|
||||
h = self.interface.retrieve_history(addr)
|
||||
if not h: return 0,0
|
||||
c = u = 0
|
||||
for item in h:
|
||||
v = item['value']
|
||||
if item['height']:
|
||||
c += v
|
||||
else:
|
||||
u += v
|
||||
return c, u
|
||||
|
||||
def get_balance(self):
|
||||
conf = unconf = 0
|
||||
for addr in self.all_addresses():
|
||||
c, u = self.get_addr_balance(addr)
|
||||
conf += c
|
||||
unconf += u
|
||||
return conf, unconf
|
||||
|
||||
def update(self):
|
||||
is_new = False
|
||||
changed_addresses = self.interface.poll()
|
||||
for addr, blk_hash in changed_addresses.items():
|
||||
if self.status.get(addr) != blk_hash:
|
||||
print "updating history for", addr
|
||||
self.history[addr] = self.interface.retrieve_history(addr)
|
||||
self.status[addr] = blk_hash
|
||||
is_new = True
|
||||
|
||||
if is_new:
|
||||
self.synchronize()
|
||||
self.update_tx_history()
|
||||
self.save()
|
||||
return True
|
||||
else:
|
||||
return False
|
||||
|
||||
def choose_tx_inputs( self, amount, fixed_fee ):
|
||||
""" todo: minimize tx size """
|
||||
total = 0
|
||||
fee = self.fee if fixed_fee is None else fixed_fee
|
||||
|
||||
coins = []
|
||||
for addr in self.all_addresses():
|
||||
h = self.history.get(addr)
|
||||
if h is None: continue
|
||||
for item in h:
|
||||
if item.get('raw_scriptPubKey'):
|
||||
coins.append( (addr,item))
|
||||
|
||||
coins = sorted( coins, key = lambda x: x[1]['nTime'] )
|
||||
inputs = []
|
||||
for c in coins:
|
||||
addr, item = c
|
||||
v = item.get('value')
|
||||
total += v
|
||||
inputs.append((addr, v, item['tx_hash'], item['pos'], item['raw_scriptPubKey'], None, None) )
|
||||
fee = self.fee*len(inputs) if fixed_fee is None else fixed_fee
|
||||
if total >= amount + fee: break
|
||||
else:
|
||||
#print "not enough funds: %d %d"%(total, fee)
|
||||
inputs = []
|
||||
return inputs, total, fee
|
||||
|
||||
def choose_tx_outputs( self, to_addr, amount, fee, total ):
|
||||
outputs = [ (to_addr, amount) ]
|
||||
change_amount = total - ( amount + fee )
|
||||
if change_amount != 0:
|
||||
# normally, the update thread should ensure that the last change address is unused
|
||||
outputs.append( ( self.change_addresses[-1], change_amount) )
|
||||
return outputs
|
||||
|
||||
def sign_inputs( self, inputs, outputs, password ):
|
||||
s_inputs = []
|
||||
for i in range(len(inputs)):
|
||||
addr, v, p_hash, p_pos, p_scriptPubKey, _, _ = inputs[i]
|
||||
private_key = ecdsa.SigningKey.from_string( self.get_private_key2(addr, password), curve = SECP256k1 )
|
||||
public_key = private_key.get_verifying_key()
|
||||
pubkey = public_key.to_string()
|
||||
tx = filter( raw_tx( inputs, outputs, for_sig = i ) )
|
||||
sig = private_key.sign_digest( Hash( tx.decode('hex') ), sigencode = ecdsa.util.sigencode_der )
|
||||
assert public_key.verify_digest( sig, Hash( tx.decode('hex') ), sigdecode = ecdsa.util.sigdecode_der)
|
||||
s_inputs.append( (addr, v, p_hash, p_pos, p_scriptPubKey, pubkey, sig) )
|
||||
return s_inputs
|
||||
|
||||
def pw_encode(self, s, password):
|
||||
if password:
|
||||
secret = Hash(password)
|
||||
return EncodeAES(secret, s)
|
||||
else:
|
||||
return s
|
||||
|
||||
def pw_decode(self, s, password):
|
||||
if password is not None:
|
||||
secret = Hash(password)
|
||||
d = DecodeAES(secret, s)
|
||||
if s == self.seed:
|
||||
try:
|
||||
d.decode('hex')
|
||||
except:
|
||||
raise BaseException("Invalid password")
|
||||
return d
|
||||
else:
|
||||
return s
|
||||
|
||||
def get_tx_history(self):
|
||||
lines = self.tx_history.values()
|
||||
lines = sorted(lines, key=operator.itemgetter("nTime"))
|
||||
return lines
|
||||
|
||||
def update_tx_history(self):
|
||||
self.tx_history= {}
|
||||
for addr in self.all_addresses():
|
||||
h = self.history.get(addr)
|
||||
if h is None: continue
|
||||
for tx in h:
|
||||
tx_hash = tx['tx_hash']
|
||||
line = self.tx_history.get(tx_hash)
|
||||
if not line:
|
||||
self.tx_history[tx_hash] = copy.copy(tx)
|
||||
line = self.tx_history.get(tx_hash)
|
||||
else:
|
||||
line['value'] += tx['value']
|
||||
if line['height'] == 0:
|
||||
line['nTime'] = 1e12
|
||||
self.update_tx_labels()
|
||||
|
||||
def update_tx_labels(self):
|
||||
for tx in self.tx_history.values():
|
||||
default_label = ''
|
||||
if tx['value']<0:
|
||||
for o_addr in tx['outputs']:
|
||||
if not self.is_change(o_addr):
|
||||
dest_label = self.labels.get(o_addr)
|
||||
if dest_label:
|
||||
default_label = 'to: ' + dest_label
|
||||
else:
|
||||
default_label = 'to: ' + o_addr
|
||||
else:
|
||||
for o_addr in tx['outputs']:
|
||||
if self.is_mine(o_addr) and not self.is_change(o_addr):
|
||||
dest_label = self.labels.get(o_addr)
|
||||
if dest_label:
|
||||
default_label = 'at: ' + dest_label
|
||||
else:
|
||||
default_label = 'at: ' + o_addr
|
||||
tx['default_label'] = default_label
|
||||
|
||||
def mktx(self, to_address, amount, label, password, fee=None):
|
||||
if not self.is_valid(to_address):
|
||||
raise BaseException("Invalid address")
|
||||
inputs, total, fee = wallet.choose_tx_inputs( amount, fee )
|
||||
if not inputs:
|
||||
raise BaseException("Not enough funds")
|
||||
outputs = wallet.choose_tx_outputs( to_address, amount, fee, total )
|
||||
s_inputs = wallet.sign_inputs( inputs, outputs, password )
|
||||
|
||||
tx = filter( raw_tx( s_inputs, outputs ) )
|
||||
if to_address not in self.addressbook:
|
||||
self.addressbook.append(to_address)
|
||||
if label:
|
||||
tx_hash = Hash(tx.decode('hex') )[::-1].encode('hex')
|
||||
wallet.labels[tx_hash] = label
|
||||
wallet.save()
|
||||
return tx
|
||||
|
||||
def sendtx(self, tx):
|
||||
tx_hash = Hash(tx.decode('hex') )[::-1].encode('hex')
|
||||
out = self.interface.send_tx(tx)
|
||||
if out != tx_hash:
|
||||
return False, "error: " + out
|
||||
return True, out
|
||||
|
Loading…
Reference in New Issue