Files
bal-electrum-plugin/will.py

887 lines
31 KiB
Python

import copy
from electrum.bitcoin import NLOCKTIME_BLOCKHEIGHT_MAX
from electrum.i18n import _
from electrum.logging import Logger, get_logger
from electrum.transaction import (
PartialTransaction,
PartialTxInput,
PartialTxOutput,
Transaction,
TxOutpoint,
tx_from_any,
)
from electrum.util import (
bfh,
)
from .util import Util
from .willexecutors import Willexecutors
MIN_LOCKTIME = 1
MIN_BLOCK = 1
_logger = get_logger(__name__)
class Will:
def get_children(will, willid):
out = []
for _id in will:
inputs = will[_id].tx.inputs()
for idi in range(0, len(inputs)):
_input = inputs[idi]
if _input.prevout.txid.hex() == willid:
out.append([_id, idi, _input.prevout.out_idx])
return out
# build a tree with parent transactions
def add_willtree(will):
for willid in will:
will[willid].children = Will.get_children(will, willid)
for child in will[willid].children:
if not will[child[0]].father:
will[child[0]].father = willid
# return a list of will sorted by locktime
def get_sorted_will(will):
return sorted(will.items(), key=lambda x: x[1]["tx"].locktime)
def only_valid(will):
for k, v in will.items():
if v.get_status("VALID"):
yield k
def search_equal_tx(will, tx, wid):
for w in will:
if w != wid and not tx.to_json() != will[w]["tx"].to_json():
if will[w]["tx"].txid() != tx.txid():
if Util.cmp_txs(will[w]["tx"], tx):
return will[w]["tx"]
return False
def get_tx_from_any(x):
try:
a = str(x)
return tx_from_any(a)
except Exception as e:
raise e
return x
def add_info_from_will(will, wid, wallet):
if isinstance(will[wid].tx, str):
will[wid].tx = Will.get_tx_from_any(will[wid].tx)
if wallet:
will[wid].tx.add_info_from_wallet(wallet)
for txin in will[wid].tx.inputs():
txid = txin.prevout.txid.hex()
if txid in will:
change = will[txid].tx.outputs()[txin.prevout.out_idx]
txin._trusted_value_sats = change.value
try:
txin.script_descriptor = change.script_descriptor
except Exception:
pass
txin.is_mine = True
txin._TxInput__address = change.address
txin._TxInput__scriptpubkey = change.scriptpubkey
txin._TxInput__value_sats = change.value
txin._trusted_value_sats = change.value
def normalize_will(will, wallet=None, others_inputs={}):
to_delete = []
to_add = {}
# add info from wallet
willitems = {}
for wid in will:
Will.add_info_from_will(will, wid, wallet)
willitems[wid] = WillItem(will[wid])
will = willitems
errors = {}
for wid in will:
txid = will[wid].tx.txid()
if txid is None:
_logger.error("##########")
_logger.error(wid)
_logger.error(will[wid])
_logger.error(will[wid].tx.to_json())
_logger.error("txid is none")
will[wid].set_status("ERROR", True)
errors[wid] = will[wid]
continue
if txid != wid:
outputs = will[wid].tx.outputs()
ow = will[wid]
ow.normalize_locktime(others_inputs)
will[wid] = WillItem(ow.to_dict())
for i in range(0, len(outputs)):
Will.change_input(
will, wid, i, outputs[i], others_inputs, to_delete, to_add
)
to_delete.append(wid)
to_add[ow.tx.txid()] = ow.to_dict()
# for eid, err in errors.items():
# new_txid = err.tx.txid()
for k, w in to_add.items():
will[k] = w
for wid in to_delete:
if wid in will:
del will[wid]
def new_input(txid, idx, change):
prevout = TxOutpoint(txid=bfh(txid), out_idx=idx)
inp = PartialTxInput(prevout=prevout)
inp._trusted_value_sats = change.value
inp.is_mine = True
inp._TxInput__address = change.address
inp._TxInput__scriptpubkey = change.scriptpubkey
inp._TxInput__value_sats = change.value
return inp
"""
in questa situazione sono presenti due transazioni con id differente(quindi transazioni differenti)
per prima cosa controllo il locktime
se il locktime della nuova transazione e' maggiore del locktime della vecchia transazione, allora
confronto gli eredi, per locktime se corrispondono controllo i willexecutor
se hanno la stessa url ma le fee vecchie sono superiori alle fee nuove, allora anticipare.
"""
def check_anticipate(ow: "WillItem", nw: "WillItem"):
anticipate = Util.anticipate_locktime(ow.tx.locktime, days=1)
if int(nw.tx.locktime) >= int(anticipate):
if Util.cmp_heirs_by_values(
ow.heirs, nw.heirs, [0, 1], exclude_willexecutors=True
):
if nw.we and ow.we:
if ow.we["url"] == nw.we["url"]:
if int(ow.we["base_fee"]) > int(nw.we["base_fee"]):
return anticipate
else:
if int(ow.tx_fees) != int(nw.tx_fees):
return anticipate
else:
ow.tx.locktime
else:
ow.tx.locktime
else:
if nw.we == ow.we:
if not Util.cmp_heirs_by_values(ow.heirs, nw.heirs, [0, 3]):
return anticipate
else:
return ow.tx.locktime
else:
return ow.tx.locktime
else:
return anticipate
return 4294967295 + 1
def change_input(will, otxid, idx, change, others_inputs, to_delete, to_append):
ow = will[otxid]
ntxid = ow.tx.txid()
if otxid != ntxid:
for wid in will:
w = will[wid]
inputs = w.tx.inputs()
outputs = w.tx.outputs()
found = False
old_txid = w.tx.txid()
# ntx = None
for i in range(0, len(inputs)):
if (
inputs[i].prevout.txid.hex() == otxid
and inputs[i].prevout.out_idx == idx
):
if isinstance(w.tx, Transaction):
will[wid].tx = PartialTransaction.from_tx(w.tx)
will[wid].tx.set_rbf(True)
will[wid].tx._inputs[i] = Will.new_input(wid, idx, change)
found = True
if found:
pass
new_txid = will[wid].tx.txid()
if old_txid != new_txid:
to_delete.append(old_txid)
to_append[new_txid] = will[wid]
outputs = will[wid].tx.outputs()
for i in range(0, len(outputs)):
Will.change_input(
will,
wid,
i,
outputs[i],
others_inputs,
to_delete,
to_append,
)
def get_all_inputs(will, only_valid=False):
all_inputs = {}
for w, wi in will.items():
if not only_valid or wi.get_status("VALID"):
inputs = wi.tx.inputs()
for i in inputs:
prevout_str = i.prevout.to_str()
inp = [w, will[w], i]
if prevout_str not in all_inputs:
all_inputs[prevout_str] = [inp]
else:
all_inputs[prevout_str].append(inp)
return all_inputs
def get_all_inputs_min_locktime(all_inputs):
all_inputs_min_locktime = {}
for i, values in all_inputs.items():
min_locktime = min(values, key=lambda x: x[1].tx.locktime)[1].tx.locktime
for w in values:
if w[1].tx.locktime == min_locktime:
if i not in all_inputs_min_locktime:
all_inputs_min_locktime[i] = [w]
else:
all_inputs_min_locktime[i].append(w)
return all_inputs_min_locktime
def search_anticipate_rec(will, old_inputs):
redo = False
to_delete = []
to_append = {}
new_inputs = Will.get_all_inputs(will, only_valid=True)
for nid, nwi in will.items():
if nwi.search_anticipate(new_inputs):
if nid != nwi.tx.txid():
redo = True
to_delete.append(nid)
to_append[nwi.tx.txid()] = nwi
outputs = nwi.tx.outputs()
for i in range(0, len(outputs)):
Will.change_input(
will, nid, i, outputs[i], new_inputs, to_delete, to_append
)
if nwi.search_anticipate(old_inputs):
if nid != nwi.tx.txid():
redo = True
to_delete.append(nid)
to_append[nwi.tx.txid()] = nwi
outputs = nwi.tx.outputs()
for i in range(0, len(outputs)):
Will.change_input(
will, nid, i, outputs[i], new_inputs, to_delete, to_append
)
for w in to_delete:
try:
del will[w]
except Exception:
pass
for k, w in to_append.items():
will[k] = w
if redo:
Will.search_anticipate_rec(will, old_inputs)
def update_will(old_will, new_will):
all_old_inputs = Will.get_all_inputs(old_will, only_valid=True)
# all_inputs_min_locktime = Will.get_all_inputs_min_locktime(all_old_inputs)
# all_new_inputs = Will.get_all_inputs(new_will)
# check if the new input is already spent by other transaction
# if it is use the same locktime, or anticipate.
Will.search_anticipate_rec(new_will, all_old_inputs)
other_inputs = Will.get_all_inputs(old_will, {})
try:
Will.normalize_will(new_will, others_inputs=other_inputs)
except Exception as e:
raise e
for oid in Will.only_valid(old_will):
if oid in new_will:
new_heirs = new_will[oid].heirs
new_we = new_will[oid].we
new_will[oid] = old_will[oid]
new_will[oid].heirs = new_heirs
new_will[oid].we = new_we
continue
else:
continue
def get_higher_input_for_tx(will):
out = {}
for wid in will:
wtx = will[wid].tx
found = False
for inp in wtx.inputs():
if inp.prevout.txid.hex() in will:
found = True
break
if not found:
out[inp.prevout.to_str()] = inp
return out
def invalidate_will(will, wallet, fees_per_byte):
will_only_valid = Will.only_valid_list(will)
inputs = Will.get_all_inputs(will_only_valid)
utxos = wallet.get_utxos()
filtered_inputs = []
prevout_to_spend = []
for prevout_str, ws in inputs.items():
for w in ws:
if w[0] not in filtered_inputs:
filtered_inputs.append(w[0])
if prevout_str not in prevout_to_spend:
prevout_to_spend.append(prevout_str)
balance = 0
utxo_to_spend = []
for utxo in utxos:
utxo_str = utxo.prevout.to_str()
if utxo_str in prevout_to_spend:
balance += inputs[utxo_str][0][2].value_sats()
utxo_to_spend.append(utxo)
if len(utxo_to_spend) > 0:
change_addresses = wallet.get_change_addresses_for_new_transaction()
out = PartialTxOutput.from_address_and_value(change_addresses[0], balance)
out.is_change = True
locktime = Util.get_current_height(wallet.network)
tx = PartialTransaction.from_io(
utxo_to_spend, [out], locktime=locktime, version=2
)
tx.set_rbf(True)
fee = tx.estimated_size() * fees_per_byte
if balance - fee > 0:
out = PartialTxOutput.from_address_and_value(
change_addresses[0], balance - fee
)
tx = PartialTransaction.from_io(
utxo_to_spend, [out], locktime=locktime, version=2
)
tx.set_rbf(True)
_logger.debug(f"invalidation tx: {tx}")
return tx
else:
_logger.debug(f"balance({balance}) - fee({fee}) <=0")
pass
else:
_logger.debug("len utxo_to_spend <=0")
pass
def is_new(will):
for wid, w in will.items():
if w.get_status("VALID") and not w.get_status("COMPLETE"):
return True
def search_rai(all_inputs, all_utxos, will, wallet):
# will_only_valid = Will.only_valid_or_replaced_list(will)
for inp, ws in all_inputs.items():
inutxo = Util.in_utxo(inp, all_utxos)
for w in ws:
wi = w[1]
if (
wi.get_status("VALID")
or wi.get_status("CONFIRMED")
or wi.get_status("PENDING")
):
prevout_id = w[2].prevout.txid.hex()
if not inutxo:
if prevout_id in will:
wo = will[prevout_id]
if wo.get_status("REPLACED"):
wi.set_status("REPLACED", True)
if wo.get_status("INVALIDATED"):
wi.set_status("INVALIDATED", True)
else:
if wallet.db.get_transaction(wi._id):
wi.set_status("CONFIRMED", True)
else:
wi.set_status("INVALIDATED", True)
for child in wi.search(all_inputs):
if child.tx.locktime < wi.tx.locktime:
_logger.debug("a child was found")
wi.set_status("REPLACED", True)
else:
pass
def utxos_strs(utxos):
return [Util.utxo_to_str(u) for u in utxos]
def set_invalidate(wid, will=[]):
will[wid].set_status("INVALIDATED", True)
if will[wid].children:
for c in will[wid].children.items():
Will.set_invalidate(c[0], will)
def check_tx_height(tx, wallet):
info = wallet.get_tx_info(tx)
return info.tx_mined_status.height()
# check if transactions are stil valid tecnically valid
def check_invalidated(willtree, utxos_list, wallet):
for wid, w in willtree.items():
if (
not w.father
or willtree[w.father].get_status("CONFIRMED")
or willtree[w.father].get_status("PENDING")
):
for inp in w.tx.inputs():
inp_str = Util.utxo_to_str(inp)
if inp_str not in utxos_list:
if wallet:
height = Will.check_tx_height(w.tx, wallet)
if height < 0:
Will.set_invalidate(wid, willtree)
elif height == 0:
w.set_status("PENDING", True)
else:
w.set_status("CONFIRMED", True)
# def reflect_to_children(treeitem):
# if not treeitem.get_status("VALID"):
# _logger.debug(f"{tree:item._id} status not valid looking for children")
# for child in treeitem.children:
# wc = willtree[child]
# if wc.get_status("VALID"):
# if treeitem.get_status("INVALIDATED"):
# wc.set_status("INVALIDATED", True)
# if treeitem.get_status("REPLACED"):
# wc.set_status("REPLACED", True)
# if wc.children:
# Will.reflect_to_children(wc)
def check_amounts(heirs, willexecutors, all_utxos, timestamp_to_check, dust):
fixed_heirs, fixed_amount, perc_heirs, perc_amount, fixed_amount_with_dust = (
heirs.fixed_percent_lists_amount(timestamp_to_check, dust, reverse=True)
)
wallet_balance = 0
for utxo in all_utxos:
wallet_balance += utxo.value_sats()
if fixed_amount >= wallet_balance:
raise FixedAmountException(
f"Fixed amount({fixed_amount}) >= {wallet_balance}"
)
if perc_amount != 100:
raise PercAmountException(f"Perc amount({perc_amount}) =! 100%")
for url, wex in willexecutors.items():
if Willexecutors.is_selected(wex):
temp_balance = wallet_balance - int(wex["base_fee"])
if fixed_amount >= temp_balance:
raise FixedAmountException(
f"Willexecutor{url} excess base fee({wex['base_fee']}), {fixed_amount} >={temp_balance}"
)
def check_will(will, all_utxos, wallet, block_to_check, timestamp_to_check):
Will.add_willtree(will)
utxos_list = Will.utxos_strs(all_utxos)
Will.check_invalidated(will, utxos_list, wallet)
all_inputs = Will.get_all_inputs(will, only_valid=True)
all_inputs_min_locktime = Will.get_all_inputs_min_locktime(all_inputs)
Will.check_will_expired(
all_inputs_min_locktime, block_to_check, timestamp_to_check
)
all_inputs = Will.get_all_inputs(will, only_valid=True)
Will.search_rai(all_inputs, all_utxos, will, wallet)
def is_will_valid(
will,
block_to_check,
timestamp_to_check,
tx_fees,
all_utxos,
heirs={},
willexecutors={},
self_willexecutor=False,
wallet=False,
callback_not_valid_tx=None,
):
Will.check_will(will, all_utxos, wallet, block_to_check, timestamp_to_check)
if heirs:
if not Will.check_willexecutors_and_heirs(
will,
heirs,
willexecutors,
self_willexecutor,
timestamp_to_check,
tx_fees,
):
raise NotCompleteWillException()
all_inputs = Will.get_all_inputs(will, only_valid=True)
_logger.info("check all utxo in wallet are spent")
if all_inputs:
for utxo in all_utxos:
if utxo.value_sats() > 68 * tx_fees:
if not Util.in_utxo(utxo, all_inputs.keys()):
_logger.info("utxo is not spent", utxo.to_json())
_logger.debug(all_inputs.keys())
raise NotCompleteWillException(
"Some utxo in the wallet is not included"
)
_logger.info("will ok")
return True
def check_will_expired(all_inputs_min_locktime, block_to_check, timestamp_to_check):
_logger.info("check if some transaction is expired")
for prevout_str, wid in all_inputs_min_locktime.items():
for w in wid:
if w[1].get_status("VALID"):
locktime = int(wid[0][1].tx.locktime)
if locktime <= NLOCKTIME_BLOCKHEIGHT_MAX:
if locktime < int(block_to_check):
raise WillExpiredException(
f"Will Expired {wid[0][0]}: {locktime}<{block_to_check}"
)
else:
if locktime < int(timestamp_to_check):
raise WillExpiredException(
f"Will Expired {wid[0][0]}: {locktime}<{timestamp_to_check}"
)
# def check_all_input_spent_are_in_wallet():
# _logger.info("check all input spent are in wallet or valid txs")
# for inp, ws in all_inputs.items():
# if not Util.in_utxo(inp, all_utxos):
# for w in ws:
# if w[1].get_status("VALID"):
# prevout_id = w[2].prevout.txid.hex()
# parentwill = will.get(prevout_id, False)
# if not parentwill or not parentwill.get_status("VALID"):
# w[1].set_status("INVALIDATED", True)
def only_valid_list(will):
out = {}
for wid, w in will.items():
if w.get_status("VALID"):
out[wid] = w
return out
def only_valid_or_replaced_list(will):
out = []
for wid, w in will.items():
wi = w
if wi.get_status("VALID") or wi.get_status("REPLACED"):
out.append(wid)
return out
def check_willexecutors_and_heirs(
will, heirs, willexecutors, self_willexecutor, check_date, tx_fees
):
_logger.debug("check willexecutors heirs")
no_willexecutor = 0
willexecutors_found = {}
heirs_found = {}
will_only_valid = Will.only_valid_list(will)
if len(will_only_valid) < 1:
return False
for wid in Will.only_valid_list(will):
w = will[wid]
if w.tx_fees != tx_fees:
raise TxFeesChangedException(f"{tx_fees}:", w.tx_fees)
for wheir in w.heirs:
if not 'w!ll3x3c"' == wheir[:9]:
their = will[wid].heirs[wheir]
if heir := heirs.get(wheir, None):
if (
heir[0] == their[0]
and heir[1] == their[1]
and Util.parse_locktime_string(heir[2])
>= Util.parse_locktime_string(their[2])
):
count = heirs_found.get(wheir, 0)
heirs_found[wheir] = count + 1
else:
_logger.debug(
f"heir not present transaction is not valid:{wheir} {wid}, {w}"
)
if willexecutor := w.we:
count = willexecutors_found.get(willexecutor["url"], 0)
if Util.cmp_willexecutor(
willexecutor, willexecutors.get(willexecutor["url"], None)
):
willexecutors_found[willexecutor["url"]] = count + 1
else:
no_willexecutor += 1
count_heirs = 0
for h in heirs:
if Util.parse_locktime_string(heirs[h][2]) >= check_date:
count_heirs += 1
if h not in heirs_found:
_logger.debug(f"heir: {h} not found")
raise HeirNotFoundException(h)
if not count_heirs:
raise NoHeirsException("there are not valid heirs")
if self_willexecutor and no_willexecutor == 0:
raise NoWillExecutorNotPresent("Backup tx")
for url, we in willexecutors.items():
if Willexecutors.is_selected(we):
if url not in willexecutors_found:
_logger.debug(f"will-executor: {url} not fount")
raise WillExecutorNotPresent(url)
_logger.info("will is coherent with heirs and will-executors")
return True
class WillItem(Logger):
STATUS_DEFAULT = {
"ANTICIPATED": ["Anticipated", False],
"BROADCASTED": ["Broadcasted", False],
"CHECKED": ["Checked", False],
"CHECK_FAIL": ["Check Failed", False],
"COMPLETE": ["Signed", False],
"CONFIRMED": ["Confirmed", False],
"ERROR": ["Error", False],
"EXPIRED": ["Expired", False],
"EXPORTED": ["Exported", False],
"IMPORTED": ["Imported", False],
"INVALIDATED": ["Invalidated", False],
"PENDING": ["Pending", False],
"PUSH_FAIL": ["Push failed", False],
"PUSHED": ["Pushed", False],
"REPLACED": ["Replaced", False],
"RESTORED": ["Restored", False],
"VALID": ["Valid", True],
}
def set_status(self, status, value=True):
# _logger.trace(
# "set status {} - {} {} -> {}".format(
# self._id, status, self.STATUS[status][1], value
# )
# )
if self.STATUS[status][1] == bool(value):
return None
self.status += "." + (("NOT " if not value else "") + _(self.STATUS[status][0]))
self.STATUS[status][1] = bool(value)
if value:
if status in ["INVALIDATED", "REPLACED", "CONFIRMED", "PENDING"]:
self.STATUS["VALID"][1] = False
if status in ["CONFIRMED", "PENDING"]:
self.STATUS["INVALIDATED"][1] = False
if status in ["PUSHED"]:
self.STATUS["PUSH_FAIL"][1] = False
self.STATUS["CHECK_FAIL"][1] = False
if status in ["CHECKED"]:
self.STATUS["PUSHED"][1] = True
self.STATUS["PUSH_FAIL"][1] = False
return value
def get_status(self, status):
return self.STATUS[status][1]
def __init__(self, w, _id=None, wallet=None):
if isinstance(
w,
WillItem,
):
self.__dict__ = w.__dict__.copy()
else:
self.tx = Will.get_tx_from_any(w["tx"])
self.heirs = w.get("heirs", None)
self.we = w.get("willexecutor", None)
self.status = w.get("status", None)
self.description = w.get("description", None)
self.time = w.get("time", None)
self.change = w.get("change", None)
self.tx_fees = w.get("baltx_fees", 0)
self.father = w.get("Father", None)
self.children = w.get("Children", None)
self.STATUS = copy.deepcopy(WillItem.STATUS_DEFAULT)
for s in self.STATUS:
self.STATUS[s][1] = w.get(s, WillItem.STATUS_DEFAULT[s][1])
if not _id:
self._id = self.tx.txid()
else:
self._id = _id
if not self._id:
self.status += "ERROR!!!"
self.valid = False
if wallet:
self.tx.add_info_from_wallet(wallet)
def to_dict(self):
out = {
"_id": self._id,
"tx": self.tx,
"heirs": self.heirs,
"willexecutor": self.we,
"status": self.status,
"description": self.description,
"time": self.time,
"change": self.change,
"baltx_fees": self.tx_fees,
}
for key in self.STATUS:
try:
out[key] = self.STATUS[key][1]
except Exception as e:
_logger.error(f"{key},{self.STATUS[key]} {e}")
return out
def __repr__(self):
return str(self)
def __str__(self):
return str(self.to_dict())
def set_anticipate(self, ow: "WillItem"):
nl = min(ow.tx.locktime, Will.check_anticipate(ow, self))
if int(nl) < self.tx.locktime:
self.tx.locktime = int(nl)
return True
else:
return False
def search_anticipate(self, all_inputs):
anticipated = False
for ow in self.search(all_inputs):
if self.set_anticipate(ow):
anticipated = True
return anticipated
def search(self, all_inputs):
for inp in self.tx.inputs():
prevout_str = inp.prevout.to_str()
oinps = all_inputs.get(prevout_str, [])
for oinp in oinps:
ow = oinp[1]
if ow._id != self._id:
yield ow
def normalize_locktime(self, all_inputs):
outputs = self.tx.outputs()
for idx in range(0, len(outputs)):
inps = all_inputs.get(f"{self._id}:{idx}", [])
_logger.debug("****check locktime***")
for inp in inps:
if inp[0] != self._id:
iw = inp[1]
self.set_anticipate(iw)
def check_willexecutor(self):
try:
if resp := Willexecutors.check_transaction(self._id, self.we["url"]):
if "tx" in resp and resp["tx"] == str(self.tx):
self.set_status("PUSHED")
self.set_status("CHECKED")
else:
self.set_status("CHECK_FAIL")
self.set_status("PUSHED", False)
return True
else:
self.set_status("CHECK_FAIL")
self.set_status("PUSHED", False)
return False
except Exception as e:
_logger.error(f"exception checking transaction: {e}")
self.set_status("CHECK_FAIL")
def get_color(self):
if self.get_status("INVALIDATED"):
return "#f87838"
elif self.get_status("REPLACED"):
return "#ff97e9"
elif self.get_status("CONFIRMED"):
return "#bfbfbf"
elif self.get_status("PENDING"):
return "#ffce30"
elif self.get_status("CHECK_FAIL") and not self.get_status("CHECKED"):
return "#e83845"
elif self.get_status("CHECKED"):
return "#8afa6c"
elif self.get_status("PUSH_FAIL"):
return "#e83845"
elif self.get_status("PUSHED"):
return "#73f3c8"
elif self.get_status("COMPLETE"):
return "#2bc8ed"
else:
return "#ffffff"
class WillException(Exception):
pass
class WillExpiredException(WillException):
pass
class NotCompleteWillException(WillException):
pass
class HeirChangeException(NotCompleteWillException):
pass
class TxFeesChangedException(NotCompleteWillException):
pass
class HeirNotFoundException(NotCompleteWillException):
pass
class WillexecutorChangeException(NotCompleteWillException):
pass
class NoWillExecutorNotPresent(NotCompleteWillException):
pass
class WillExecutorNotPresent(NotCompleteWillException):
pass
class NoHeirsException(WillException):
pass
class AmountException(WillException):
pass
class PercAmountException(AmountException):
pass
class FixedAmountException(AmountException):
pass