def sign_transaction_input(tx,
input_index,
txout_script,
intput_script_type,
secret,
compressed_pubkey=True):
# Set all txin to empty
txin_scripts_save = [txin.script for txin in tx.in_list]
for txin in tx.in_list:
txin.script = Script([])
# Set the current input script to the outpoint's script value
tx.in_list[input_index].script = txout_script
# Serialize and append hash type
enctx = TxSerializer().serialize(tx) + b"\x01\x00\x00\x00"
# Get hash and Sign
txhash = doublesha256(enctx)
key = KEY()
key.set_secret(secret, compressed_pubkey)
signature = key.sign(txhash) + "\x01" # append hash_type SIGHASH_ALL
# Restore Txin scripts
for txin, script_save in zip(tx.in_list, txin_scripts_save):
txin.script = script_save
# Set the signed script
if intput_script_type == TX_PUBKEYHASH:
tx.in_list[input_index].script = make_script_pubkeyhash_sig(
key.get_pubkey(), signature)
if intput_script_type == TX_PUBKEY:
tx.in_list[input_index].script = make_script_pubkey_sig(signature)
def test_ssl_sign_verify(self):
key = KEY()
key.set_secret(decodehexstr("30d1d8d1d243ab41a80a3cc1481a626a137f771a636b2daca06c1f86cdfecffb"))
sig = key.sign("cool")
# verify on another key
key2 = KEY()
key2.set_pubkey(decodehexstr("030a43196c8bf389c0ce5987a3f4dac57f4ca0d9733c232659717d9404074b4504"))
self.assertEquals(key2.verify("cool", sig), 1)
self.assertEquals(key2.verify("coolx", sig), 0)
self.assertEquals(key2.verify("cool", decodehexstr("3045022100ea3cbfca49123ecdcc419cf3277597307dca70b548ca1d4312f39186b043e86802201057af5c3889b65a59333d4f23bea915e76c2c26606dd35c57e00adf416ca31600")), 0)
def get_private_key_secret(self, public_key):
if public_key in self.wallet_database.keys: # private key is not crypted
k = KEY()
k.set_privkey(self.wallet_database.keys[public_key].private_key)
return k.get_secret()
crypted_secret = self.wallet_database.get_crypted_keys()[public_key]
for key in self.plain_masterkeys:
self.crypter.set_key(key, doublesha256(public_key))
secret = self.crypter.decrypt(crypted_secret)
k = KEY()
is_compressed = len(public_key) == 33
k.set_secret(secret, is_compressed)
if k.get_pubkey() == public_key:
return secret
raise KeyDecryptException("Can't decrypt private key, wallet not unlocked or incorrect masterkey")
def get_private_key_secret(self, public_key):
if public_key in self.wallet_database.keys: # private key is not crypted
k = KEY()
k.set_privkey(self.wallet_database.keys[public_key].private_key)
return k.get_secret()
crypted_secret = self.wallet_database.get_crypted_keys()[public_key]
for key in self.plain_masterkeys:
self.crypter.set_key(key, doublesha256(public_key))
secret = self.crypter.decrypt(crypted_secret)
k = KEY()
is_compressed = len(public_key) == 33
k.set_secret(secret, is_compressed)
if k.get_pubkey() == public_key:
return secret
raise KeyDecryptException(
"Can't decrypt private key, wallet not unlocked or incorrect masterkey"
)
def sign_transaction_input(tx, input_index, txout_script, intput_script_type, secret, compressed_pubkey=True):
# Set all txin to empty
txin_scripts_save = [txin.script for txin in tx.in_list]
for txin in tx.in_list:
txin.script = Script([])
# Set the current input script to the outpoint's script value
tx.in_list[input_index].script = txout_script
# Serialize and append hash type
enctx = TxSerializer().serialize(tx) + b"\x01\x00\x00\x00"
# Get hash and Sign
txhash = doublesha256(enctx)
key = KEY()
key.set_secret(secret, compressed_pubkey)
signature = key.sign(txhash) + "\x01" # append hash_type SIGHASH_ALL
# Restore Txin scripts
for txin, script_save in zip(tx.in_list, txin_scripts_save):
txin.script = script_save
# Set the signed script
if intput_script_type == TX_PUBKEYHASH:
tx.in_list[input_index].script = make_script_pubkeyhash_sig(key.get_pubkey(), signature)
if intput_script_type == TX_PUBKEY:
tx.in_list[input_index].script = make_script_pubkey_sig(signature)
def test_ssl_get_pubkey(self):
key = KEY()
key.set_secret(decodehexstr("30d1d8d1d243ab41a80a3cc1481a626a137f771a636b2daca06c1f86cdfecffb"), True)
self.assertEquals(hexstr(key.get_pubkey()), "030a43196c8bf389c0ce5987a3f4dac57f4ca0d9733c232659717d9404074b4504")
def test_ssl_set_secret(self):
key = KEY()
key.set_secret(decodehexstr("30d1d8d1d243ab41a80a3cc1481a626a137f771a636b2daca06c1f86cdfecffb"), True)
self.assertEquals(hexstr(key.get_privkey()), "3081d3020101042030d1d8d1d243ab41a80a3cc1481a626a137f771a636b2daca06c1f86cdfecffba08185308182020101302c06072a8648ce3d0101022100fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f300604010004010704210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798022100fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141020101a124032200030a43196c8bf389c0ce5987a3f4dac57f4ca0d9733c232659717d9404074b4504")
