use dumpprivkeys to efficiently dump private keys
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electrum
18
electrum
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@ -89,6 +89,7 @@ options:\n --fee, -f: set transaction fee\n --fromaddr, -s: send from address
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'prioritize':'',
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'unprioritize':'',
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'dumpprivkey':'similar to bitcoind\'s command',
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'dumpprivkeys':'dump all private keys',
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'listunspent':'similar to bitcoind\'s command',
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'createmultisig':'similar to bitcoind\'s command',
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'createrawtransaction':'similar to bitcoind\'s command',
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@ -138,7 +139,6 @@ def arg_parser():
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parser.add_option("-o", "--offline", action="store_true", dest="offline", default=False, help="remain offline")
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parser.add_option("-a", "--all", action="store_true", dest="show_all", default=False, help="show all addresses")
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parser.add_option("-b", "--balance", action="store_true", dest="show_balance", default=False, help="show the balance at listed addresses")
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parser.add_option("-k", "--keys",action="store_true", dest="show_keys",default=False, help="show the private keys of listed addresses")
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parser.add_option("-f", "--fee", dest="tx_fee", default="0.005", help="set tx fee")
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parser.add_option("-F", "--fromaddr", dest="from_addr", default=None, help="set source address for payto/mktx. if it isn't in the wallet, it will ask for the private key unless supplied in the format public_key:private_key. It's not saved in the wallet.")
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parser.add_option("-c", "--changeaddr", dest="change_addr", default=None, help="set the change address for payto/mktx. default is a spare address, or the source address if it's not in the wallet")
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@ -384,13 +384,13 @@ if __name__ == '__main__':
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# important warning
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if cmd=='addresses' and options.show_keys:
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if cmd in ['dumpprivkey', 'dumpprivkeys']:
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print_msg("WARNING: ALL your private keys are secret.")
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print_msg("Exposing a single private key can compromise your entire wallet!")
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print_msg("In particular, DO NOT use 'redeem private key' services proposed by third parties.")
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# commands needing password
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if cmd in protected_commands or ( cmd=='addresses' and options.show_keys):
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if cmd in protected_commands:
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if wallet.use_encryption:
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password = prompt_password('Password:', False)
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if not password:
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@ -440,7 +440,6 @@ if __name__ == '__main__':
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args = [ cmd, address, signature, message]
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elif cmd == 'signrawtransaction':
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args = [ cmd, args[1], ast.literal_eval(args[2]) if len(args)>2 else [], ast.literal_eval(args[3]) if len(args)>3 else []]
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elif cmd == 'createmultisig':
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@ -448,6 +447,13 @@ if __name__ == '__main__':
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elif cmd == 'createrawtransaction':
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args = [ cmd, ast.literal_eval(args[1]), ast.literal_eval(args[2])]
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elif cmd == 'dumpprivkeys':
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if options.show_all:
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addresses = wallet.all_addresses()
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else:
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addresses = wallet.addresses + wallet.imported_keys.keys()
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args = [cmd, addresses]
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elif cmd == 'setlabel':
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try:
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@ -565,8 +571,6 @@ if __name__ == '__main__':
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b = format_satoshis(wallet.get_addr_balance(addr)[0])
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else: b=''
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m_addr = "%34s"%addr
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if options.show_keys:
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m_addr += ':' + str(wallet.get_private_key(addr, password))
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print_msg(flags, m_addr, b, label)
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@ -580,7 +584,7 @@ if __name__ == '__main__':
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cmd_runner = Commands(wallet, interface)
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func = eval('cmd_runner.' + cmd)
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if password:
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args.append( password )
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cmd_runner.password = password
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func(*args[1:])
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@ -435,13 +435,16 @@ class DeterministicSequence:
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public_key2 = ecdsa.VerifyingKey.from_public_point( pubkey_point, curve = SECP256k1 )
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return '04' + public_key2.to_string().encode('hex')
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def get_private_key(self, n, for_change, seed):
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def get_private_key_from_stretched_exponent(self, n, for_change, secexp):
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order = generator_secp256k1.order()
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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, generator_secp256k1.order() )
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compressed = False
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return SecretToASecret( pk, compressed )
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def get_private_key(self, n, for_change, seed):
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secexp = self.stretch_key(seed)
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return self.get_private_key_from_stretched_exponent(n, for_change, secexp)
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def check_seed(self, seed):
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curve = SECP256k1
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@ -22,7 +22,7 @@ from bitcoin import *
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from decimal import Decimal
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import bitcoin
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protected_commands = ['payto', 'password', 'mktx', 'get_seed', 'importprivkey','signmessage', 'signrawtransaction','dumpprivkey' ]
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protected_commands = ['payto', 'password', 'mktx', 'get_seed', 'importprivkey','signmessage', 'signrawtransaction', 'dumpprivkey', 'dumpprivkeys' ]
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class Commands:
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@ -135,8 +135,11 @@ class Commands:
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print_msg(self.wallet.unprioritize(addr))
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def dumpprivkey(self, addr):
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sec = self.wallet.get_private_key(addr, self.password)
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print_msg( sec )
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print_msg( self.wallet.get_private_key(addr, self.password) )
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def dumpprivkeys(self, addresses):
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print_json( self.wallet.get_private_keys(addresses, self.password) )
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def validateaddress(self,addr):
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is_valid = self.wallet.is_valid(addr)
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@ -213,23 +213,29 @@ class Wallet:
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return seed
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def get_private_key(self, address, password):
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return self.get_private_keys([address], password)[address]
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def get_private_keys(self, addresses, password):
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# decode seed in any case, in order to test the password
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seed = self.decode_seed(password)
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if address in self.imported_keys.keys():
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return pw_decode( self.imported_keys[address], password )
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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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secexp = self.sequence.stretch_key(seed)
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out = {}
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for address in addresses:
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if address in self.imported_keys.keys():
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pk = pw_decode( self.imported_keys[address], password )
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else:
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raise BaseException("unknown address", address)
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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", address)
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pk = self.sequence.get_private_key_from_stretched_exponent(n, for_change, secexp)
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out[address] = pk
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return out
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return self.sequence.get_private_key(n, for_change, seed)
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def sign_message(self, address, message, password):
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