mitigating taproot hotwallet issue 2078

.vscode/launch.json

@@ -1,7 +1,7 @@
 {
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
- // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+ // For more information, visit: https://code.visualstudio.com/docs/editor/debugging#_launch-configurations
  "version": "0.2.0",
  "configurations": [
  {

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+ "python.testing.unittestEnabled": false,
+ "python.testing.pytestEnabled": true
+}

src/cryptoadvance/specter/managers/wallet_manager.py

@@ -249,7 +249,7 @@ def _update(self, wallets_update_list: Dict):
  )
  self.wallets[wallet_name] = loaded_wallet
  except Exception as e:
- handle_exception(e)
+ logger.exception(e)
  self._failed_load_wallets.append(
  {
  **wallets_update_list[wallet],
@@ -263,14 +263,13 @@ def _update(self, wallets_update_list: Dict):
  # only ignore rpc errors
  except RpcError as e:
  logger.error(f"Failed updating wallet manager. RPC error: {e}")
- logger.info("Updating wallet manager done. Result:")
- logger.info(f" * loaded_wallets: {len(self.wallets)}")
- logger.info(f" * failed_load_wallets: {len(self._failed_load_wallets)}")
- for wallet in self._failed_load_wallets:
- logger.info(f" * {wallet['name']} : {wallet['loading_error']}")
-
- wallets_update_list = {}
- self.is_loading = False
+ finally:
+ self.is_loading = False
+ logger.info("Updating wallet manager done. Result:")
+ logger.info(f" * loaded_wallets: {len(self.wallets)}")
+ logger.info(f" * failed_load_wallets: {len(self._failed_load_wallets)}")
+ for wallet in self._failed_load_wallets:
+ logger.info(f" * {wallet['name']} : {wallet['loading_error']}")
 
  def get_by_alias(self, alias):
  for wallet_name in self.wallets:

src/cryptoadvance/specter/server_endpoints/wallets/wallets.py

@@ -444,7 +444,7 @@ def history(wallet_alias):
  wallet.update_balance()
  wallet.check_utxo()
 
- renderting = render_template(
+ return render_template(
  "wallet/history/wallet_history.jinja",
  wallet_alias=wallet_alias,
  wallet=wallet,
@@ -453,8 +453,6 @@ def history(wallet_alias):
  rand=rand,
  services=app.specter.service_manager.services,
  )
- logger.info("-------------------end render_template()")
- return renderting
 
 
 ###### Wallet receive ######

src/cryptoadvance/specter/txlist.py

@@ -16,6 +16,7 @@
 from .specter_error import SpecterError, SpecterInternalException
 from embit.descriptor import Descriptor
 from embit.liquid.descriptor import LDescriptor
+from .util.common import str2bool
 from .util.psbt import (
  AbstractTxContext,
  SpecterInputScope,
@@ -84,6 +85,7 @@ class TxItem(dict, AbstractTxListContext):
  "vsize",
  "address",
  ]
+ # type_converter will be used to _read_csv to have a proper mapping
  type_converter = [
  str,
  int,
@@ -289,13 +291,14 @@ def __dict__(self):
 
 class WalletAwareTxItem(TxItem):
  PSBTCls = SpecterPSBT
+
+ # Columns for writing CSVs, type_converter for reading
  columns = TxItem.columns.copy()
  columns.extend(
  ["category", "flow_amount", "utxo_amount", "ismine"],
  )
-
  type_converter = TxItem.type_converter.copy()
- type_converter.extend([str, float, float, bool])
+ type_converter.extend([str, float, float, str2bool])
 
  def __init__(self, parent, addresses, rawdir, **kwargs):
  super().__init__(parent, addresses, rawdir, **kwargs)
@@ -323,6 +326,24 @@ def psbt(self) -> SpecterPSBT:
  self._psbt.update(updated)
  return self._psbt
 
+ @property
+ def is_taproot(self):
+ return str(self.descriptor).startswith("tr(")
+
+ def decode_psbt(self, mode="embit") -> SpecterPSBT:
+ """Utility function which decodes this tx as psbt
+ as in the core rpc-call 'decodepsbt'.
+ However, it uses embit to calculate the details
+ use mode=core to ask core directly.
+ embit might support taproot, core might not.
+ """
+ if mode == "core":
+ return self.rpc.decodepsbt(str(self.psbt))
+ elif mode == "embit":
+ return self.psbt.to_dict()
+ else:
+ raise SpecterInternalException("Mode not existing")
+
  @property
  def category(self):
  """One of mixed (default), generate, selftransfer, receive or send"""
@@ -385,8 +406,11 @@ def flow_amount(self) -> float:
  def ismine(self) -> bool:
  if self.get("ismine"):
  return self["ismine"]
- inputs = self.psbt.inputs
- outputs = self.psbt.outputs
+ if self.is_taproot:
+ # This is a bug mitigation, see #2078
+ return True
+ inputs: List[SpecterInputScope] = self.psbt.inputs
+ outputs: List[SpecterOutputScope] = self.psbt.outputs
  any_inputs_mine = any([inp.is_mine for inp in inputs])
  any_outputs_mine = any([out.is_mine for out in outputs])
  self["ismine"] = any_inputs_mine or any_outputs_mine
@@ -417,13 +441,13 @@ def address(self):
  self["address"] = addresses[0]
  return self["address"]
 
- def __dict__(self):
- super_dict = dict(self)
- super_dict["category"] = self.category
- super_dict["flow_amount"] = self.flow_amount
- super_dict["utxo_amount"] = self.utxo_amount
- super_dict["ismine"] = (self["ismine"] or self.ismine,)
- return super_dict
+ # def __dict__(self):
+ #  super_dict = dict(self)
+ #  super_dict["category"] = self.category
+ #  super_dict["flow_amount"] = self.flow_amount
+ #  super_dict["utxo_amount"] = self.utxo_amount
+ #  super_dict["ismine"] = (self["ismine"] or self.ismine,)
+ #  return super_dict
 
 
 class TxList(dict, AbstractTxListContext):
@@ -474,6 +498,8 @@ def clear_cache(self):
  tx.clear_cache()
  delete_file(self.path)
  self._file_exists = False
+ self.clear()
+
  logger.info(f"Cleared the Cache for {self.path} (and rawdir)")
 
  def getfetch(self, txid):

src/cryptoadvance/specter/util/common.py

@@ -4,6 +4,7 @@
 import json
 from flask_babel.speaklater import LazyString
 from typing import Union
+from distutils.util import strtobool
 
 logger = logging.getLogger(__name__)
 
@@ -12,11 +13,9 @@ def str2bool(my_str):
  """returns a reasonable boolean from a string so that "False" will result in False"""
  if my_str is None:
  return False
- elif isinstance(my_str, str) and my_str.lower() == "false":
- return False
- elif isinstance(my_str, str) and my_str.lower() == "off":
- return False
- return bool(my_str)
+ elif isinstance(my_str, bool):
+ return my_str
+ return bool(strtobool(my_str))
 
 
 def camelcase2snake_case(name):

src/cryptoadvance/specter/wallet.py

@@ -875,7 +875,7 @@ def check_utxo(self):
  except Exception as e:
  logger.exception(e)
  self._full_utxo = []
- raise SpecterError(f"Failed to load utxos, {e}")
+ raise SpecterError(f"Failed to load utxos, {type(e).__name__}: {e}")
 
  def check_utxo_orig(self):
  """fetches the utxo-set from core and stores the result in self.__full_utxo which is

src/cryptoadvance/specterext/devhelp/templates/devhelp/dev-console.jinja

@@ -27,9 +27,10 @@
  <br><br>
  <input name="Submit" class="btn" type="submit" value="Submit" />
  </form>
- you can also do that in any javascript.console with:
+ Press <b>F12</b> to open the dev-console (helpful to see objects)<br>
+ You can also do that in any javascript.console with:
  <pre>
- await pythonCommand("app.specter") 
+ await pythonCommand('app.specter') 
  </pre>
  Some usefull idioms:
  <pre>
@@ -109,6 +110,7 @@
 
 
  } else {
+ console.log(result)
  if (result == "") {
  result = "(empty string)"
  }

src/cryptoadvance/specterext/spectrum/spectrum_node.py

@@ -224,3 +224,7 @@ def node_logo_template(self):
 
  def node_connection_template(self):
  return "spectrum/components/spectrum_node_connection.jinja"
+
+ @property
+ def taproot_support(self):
+ return False