def hd_master_key(self, k):
self._hd_master_key = k
self._acct_keys = {}
keys = HDKey.from_path(self._hd_master_key,
self.account_type.account_derivation_prefix)
for i in range(self.max_accounts):
acct_key = HDPrivateKey.from_parent(keys[-1], 0x80000000 | i)
payout_key = HDPrivateKey.from_parent(acct_key, 0)
change_key = HDPrivateKey.from_parent(acct_key, 1)
payout_addresses = [HDPublicKey.from_parent(payout_key.public_key, i).address()
for i in range(self.max_address)]
change_addresses = [HDPublicKey.from_parent(change_key.public_key, i).address()
for i in range(self.max_address)]
self._acct_keys[i] = {'acct_key': acct_key,
'payout_key': payout_key,
'change_key': change_key,
'payout_addresses': payout_addresses,
'change_addresses': change_addresses}
self._num_used_addresses[i][0] = 0
self._num_used_addresses[i][1] = 0
self._setup_balances()
def hd_master_key(self, k):
self._hd_master_key = k
self._acct_keys = {}
keys = HDKey.from_path(self._hd_master_key,
self.account_type.account_derivation_prefix)
for i in range(self.max_accounts):
acct_key = HDPrivateKey.from_parent(keys[-1], 0x80000000 | i)
payout_key = HDPrivateKey.from_parent(acct_key, 0)
change_key = HDPrivateKey.from_parent(acct_key, 1)
payout_addresses = [HDPublicKey.from_parent(payout_key.public_key, i).address()
for i in range(self.max_address)]
change_addresses = [HDPublicKey.from_parent(change_key.public_key, i).address()
for i in range(self.max_address)]
self._acct_keys[i] = {'acct_key': acct_key,
'payout_key': payout_key,
'change_key': change_key,
'payout_addresses': payout_addresses,
'change_addresses': change_addresses}
self._num_used_addresses[i][0] = 0
self._num_used_addresses[i][1] = 0
self._setup_balances()
def __init__(self,
hd_key,
name,
index,
data_provider,
cache_manager,
testnet=False,
last_state=None,
skip_discovery=False):
# Take in either public or private key for this account as we
# can derive everything from it.
if not isinstance(hd_key, HDKey):
raise TypeError("hd_key must be a HDKey object")
self.key = hd_key
self.name = name
self.index = index
self.data_provider = data_provider
self.testnet = testnet
self.last_indices = [-1, -1]
self._cache_manager = cache_manager
self._last_update = 0
self._last_full_update = 0
if last_state is not None and isinstance(last_state, dict):
if "last_payout_index" in last_state:
self.last_indices[
self.PAYOUT_CHAIN] = last_state["last_payout_index"]
if "last_change_index" in last_state:
self.last_indices[
self.CHANGE_CHAIN] = last_state["last_change_index"]
# Check to see that the address cache has up to last_indices
for change in [self.PAYOUT_CHAIN, self.CHANGE_CHAIN]:
k = self._cache_manager.get_chain_indices(self.index, change)
for i in range(self.last_indices[change] + 1):
if i not in k or k[i] != i:
self.last_indices[change] = -1
break
self._chain_priv_keys = [None, None]
self._chain_pub_keys = [None, None]
for change in [0, 1]:
if isinstance(self.key, HDPrivateKey):
self._chain_priv_keys[change] = HDPrivateKey.from_parent(
self.key, change)
self._chain_pub_keys[change] = self._chain_priv_keys[
change].public_key
else:
self._chain_pub_keys[change] = HDPublicKey.from_parent(
self.key, change)
if not skip_discovery:
self._sync_txns(check_all=True)
self._update_balance()
def get_private_key(self, change, n):
""" Returns a private key in the chain for use in signing messages
or transactions.
Args:
change (bool): If True, returns an address for change purposes,
otherwise returns an address for payment.
n (int): index of address in chain.
Returns:
HDPrivateKey: A private key in this account's chain.
"""
# We only use public key derivation per BIP44
k = self._chain_priv_keys[change]
if k is None:
raise ValueError("No private key provided for account.")
return HDPrivateKey.from_parent(k, n)
def get_private_key(self, change, n):
""" Returns a private key in the chain for use in signing messages
or transactions.
Args:
change (bool): If True, returns an address for change purposes,
otherwise returns an address for payment.
n (int): index of address in chain.
Returns:
HDPrivateKey: A private key in this account's chain.
"""
# We only use public key derivation per BIP44
k = self._chain_priv_keys[change]
if k is None:
raise ValueError("No private key provided for account.")
return HDPrivateKey.from_parent(k, n)
def __init__(self, hd_key, name, index, data_provider, cache_manager,
testnet=False, last_state=None, skip_discovery=False):
# Take in either public or private key for this account as we
# can derive everything from it.
if not isinstance(hd_key, HDKey):
raise TypeError("hd_key must be a HDKey object")
self.key = hd_key
self.name = name
self.index = index
self.data_provider = data_provider
self.testnet = testnet
self.last_indices = [-1, -1]
self._cache_manager = cache_manager
self._last_update = 0
self._last_full_update = 0
if last_state is not None and isinstance(last_state, dict):
if "last_payout_index" in last_state:
self.last_indices[self.PAYOUT_CHAIN] = last_state["last_payout_index"]
if "last_change_index" in last_state:
self.last_indices[self.CHANGE_CHAIN] = last_state["last_change_index"]
# Check to see that the address cache has up to last_indices
for change in [self.PAYOUT_CHAIN, self.CHANGE_CHAIN]:
k = self._cache_manager.get_chain_indices(self.index, change)
for i in range(self.last_indices[change] + 1):
if i not in k or k[i] != i:
self.last_indices[change] = -1
break
self._chain_priv_keys = [None, None]
self._chain_pub_keys = [None, None]
for change in [0, 1]:
if isinstance(self.key, HDPrivateKey):
self._chain_priv_keys[change] = HDPrivateKey.from_parent(self.key, change)
self._chain_pub_keys[change] = self._chain_priv_keys[change].public_key
else:
self._chain_pub_keys[change] = HDPublicKey.from_parent(self.key, change)
if not skip_discovery:
self._sync_txns(check_all=True)
self._update_balance()
