def load(self):
for public_key, keypair in self.wallet_database.get_keys().iteritems():
self.addresses[BitcoinAddress.from_publickey(
public_key, self.runmode)] = (public_key, False)
for public_key, secret in self.wallet_database.get_crypted_keys(
).iteritems():
self.addresses[BitcoinAddress.from_publickey(
public_key, self.runmode)] = (public_key, True)
def test_address_from_public_key(self):
"""
public: 023053536687205cbf57a25386ac466c7f85105032ced1ae9c54486a83c6dd3bab
private: 049db42589b263e8700eb747a402b74604aae54ebc04f1cbe9a1cf584683f100
"""
addr1 = BitcoinAddress.from_publickey(decodehexstr("023053536687205cbf57a25386ac466c7f85105032ced1ae9c54486a83c6dd3bab"), MAIN)
self.assertEquals(addr1.to_base58addr(), "171waY81rzeFaBYhsiKibhBW5WAG8X7DLk")
def test_address_from_public_key(self):
"""
public: 023053536687205cbf57a25386ac466c7f85105032ced1ae9c54486a83c6dd3bab
private: 049db42589b263e8700eb747a402b74604aae54ebc04f1cbe9a1cf584683f100
"""
addr1 = BitcoinAddress.from_publickey(
decodehexstr(
"023053536687205cbf57a25386ac466c7f85105032ced1ae9c54486a83c6dd3bab"
), MAIN)
self.assertEquals(addr1.to_base58addr(),
"171waY81rzeFaBYhsiKibhBW5WAG8X7DLk")
def get_address_description(self, public_key):
address = BitcoinAddress.from_publickey(public_key, self.runmode)
description = ""
if public_key in self.wallet_database.poolkeys_by_public_key:
poolkey = self.wallet_database.poolkeys_by_public_key[public_key]
description = "Pool (id:%d, time:%s)" % (poolkey.poolnum, time.strftime("%Y-%m-%d %H:%m:%S", time.gmtime(poolkey.time)))
else:
if address in self.wallet_database.get_names():
description = "Receive (\"%s\")" % self.wallet_database.get_names()[address].name
else:
description = "Change"
return description
def create_transaction(self, amount, address, fee):
outputs = [(outpoint, txout) for (tx, outpoint, txout) in self.iter_my_outputs()]
selected_outputs = self.coin_selector.select_coins(outputs, (amount + fee))
change_public_key = self.wallet.get_receive_key()
change_address = BitcoinAddress.from_publickey(change_public_key, self.wallet.runmode)
tx = create_pubkeyhash_transaction(
selected_outputs,
address.get_hash160(), # decode_base58check(address)[1:], #remove ADDRESSVERSION[runmode] byte
change_address.get_hash160(), # decode_base58check(change_address)[1:], #remove ADDRESSVERSION[runmode] byte
amount,
fee,
)
return PlannedTransaction(selected_outputs, amount, address, change_public_key, change_address, fee, tx)
def get_address_description(self, public_key):
address = BitcoinAddress.from_publickey(public_key, self.runmode)
description = ""
if public_key in self.wallet_database.poolkeys_by_public_key:
poolkey = self.wallet_database.poolkeys_by_public_key[public_key]
description = "Pool (id:%d, time:%s)" % (
poolkey.poolnum,
time.strftime("%Y-%m-%d %H:%m:%S", time.gmtime(poolkey.time)))
else:
if address in self.wallet_database.get_names():
description = "Receive (\"%s\")" % self.wallet_database.get_names(
)[address].name
else:
description = "Change"
return description
def test_shamir_share_private_key(self):
ssl_add_system_seeds()
k = KEY()
k.generate()
pkey_bignum = k.get_privkey_bignum()
pubkey = k.get_pubkey()
numshares = 600
threshold = 100
sharenum_bytes = 2
print "private_key_bignum:", pkey_bignum
print "public_key:", hexstr(pubkey)
print "address:", BitcoinAddress.from_publickey(pubkey, MAIN)
field = ZpField()
V = field.value_type
ZpPkey = V(pkey_bignum)
sharer = SecretSharer(field, ZpRandom(field))
shares = sharer.share(ZpPkey, threshold, [V(i+1) for i in range(numshares)])
# print shares
print "Shamir Shares: (%d/%d):" % (threshold, numshares)
shares_hex = [hexstr(base256encode(int(pt), sharenum_bytes) + base256encode(int(value), 32)) for pt, value in shares]
for share in shares_hex:
print share
# Try to reconstruct the private key using the hex encoded shares.
recombiner = SecretRecombiner(field)
for i in range(10):
random4_hex = random.sample(shares_hex, threshold)
random4_decoded = [decodehexstr(h) for h in random4_hex]
random4 = [(V(base256decode(data[:sharenum_bytes])), V(base256decode(data[sharenum_bytes:]))) for data in random4_decoded]
recombined_pkey_bignum = recombiner.recombine(random4, V(0))
assert recombined_pkey_bignum == ZpPkey
k2 = KEY()
k2.set_privkey_bignum(int(recombined_pkey_bignum))
assert k2.get_pubkey() == pubkey
print i
# With threshold-1 shares this fails
for i in range(10):
random4_hex = random.sample(shares_hex, threshold-1)
random4_decoded = [decodehexstr(h) for h in random4_hex]
random4 = [(V(base256decode(data[:sharenum_bytes])), V(base256decode(data[sharenum_bytes:]))) for data in random4_decoded]
recombined_pkey_bignum = recombiner.recombine(random4, V(0))
assert recombined_pkey_bignum != ZpPkey
def create_transaction(self, amount, address, fee):
outputs = [(outpoint, txout)
for (tx, outpoint, txout) in self.iter_my_outputs()]
selected_outputs = self.coin_selector.select_coins(
outputs, (amount + fee))
change_public_key = self.wallet.get_receive_key()
change_address = BitcoinAddress.from_publickey(change_public_key,
self.wallet.runmode)
tx = create_pubkeyhash_transaction(
selected_outputs,
address.get_hash160(
), #decode_base58check(address)[1:], #remove ADDRESSVERSION[runmode] byte
change_address.get_hash160(
), #decode_base58check(change_address)[1:], #remove ADDRESSVERSION[runmode] byte
amount,
fee)
return (PlannedTransaction(selected_outputs, amount, address,
change_public_key, change_address, fee, tx))
def allocate_key(self, public_key, label=None, ischange=False):
address = BitcoinAddress.from_publickey(public_key, self.runmode)
return self.wallet_database.allocate_key(public_key, address, label)
def get_receive_address(self):
public_key = self.wallet.get_receive_key()
return BitcoinAddress.from_publickey(public_key, self.wallet.runmode)
def allocate_key(self, public_key, label=None, ischange=False):
address = BitcoinAddress.from_publickey(public_key, self.runmode)
return self.wallet_database.allocate_key(public_key, address, label)
def load(self):
for public_key, keypair in self.wallet_database.get_keys().iteritems():
self.addresses[BitcoinAddress.from_publickey(public_key, self.runmode)] = (public_key, False)
for public_key, secret in self.wallet_database.get_crypted_keys().iteritems():
self.addresses[BitcoinAddress.from_publickey(public_key, self.runmode)] = (public_key, True)
def get_receive_address(self):
public_key = self.wallet.get_receive_key()
return BitcoinAddress.from_publickey(public_key, self.wallet.runmode)