tfix some network.get_transaction calls - electrum - Electrum Bitcoin wallet HTML git clone https://git.parazyd.org/electrum DIR Log DIR Files DIR Refs DIR Submodules --- DIR commit 5b4fada2a03f1ebfb156d7c4c7e5d468669ae8d6 DIR parent f53b480f1cd1b572e4c39b249b5c1ff2a0737466 HTML Author: SomberNight <somber.night@protonmail.com> Date: Tue, 30 Oct 2018 19:07:37 +0100 fix some network.get_transaction calls see #4814 (issuecomment-434392195) Diffstat: M electrum/gui/qt/main_window.py | 9 +++++---- M electrum/interface.py | 12 +++++++++--- M electrum/network.py | 7 ++++--- M electrum/util.py | 10 ---------- M electrum/wallet.py | 12 ++++++++---- 5 files changed, 26 insertions(+), 24 deletions(-) --- DIR diff --git a/electrum/gui/qt/main_window.py b/electrum/gui/qt/main_window.py t@@ -2427,11 +2427,12 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError): if ok and txid: txid = str(txid).strip() try: - r = self.network.get_transaction(txid) - except BaseException as e: - self.show_message(str(e)) + raw_tx = self.network.run_from_another_thread( + self.network.get_transaction(txid, timeout=10)) + except Exception as e: + self.show_message(_("Error getting transaction from network") + ":\n" + str(e)) return - tx = transaction.Transaction(r) + tx = transaction.Transaction(raw_tx) self.show_transaction(tx) @protected DIR diff --git a/electrum/interface.py b/electrum/interface.py t@@ -68,9 +68,9 @@ class NotificationSession(RPCSession): else: raise Exception('unexpected request: {}'.format(repr(request))) - async def send_request(self, *args, timeout=-1, **kwargs): + async def send_request(self, *args, timeout=None, **kwargs): # note: the timeout starts after the request touches the wire! - if timeout == -1: + if timeout is None: timeout = 30 # note: the semaphore implementation guarantees no starvation async with self.in_flight_requests_semaphore: t@@ -108,7 +108,13 @@ class NotificationSession(RPCSession): class GracefulDisconnect(Exception): pass -class RequestTimedOut(GracefulDisconnect): pass + + +class RequestTimedOut(GracefulDisconnect): + def __str__(self): + return _("Network request timed out.") + + class ErrorParsingSSLCert(Exception): pass class ErrorGettingSSLCertFromServer(Exception): pass DIR diff --git a/electrum/network.py b/electrum/network.py t@@ -706,7 +706,7 @@ class Network(PrintError): return await self.interface.session.send_request('blockchain.transaction.get_merkle', [tx_hash, tx_height]) @best_effort_reliable - async def broadcast_transaction(self, tx, timeout=10): + async def broadcast_transaction(self, tx, *, timeout=10): out = await self.interface.session.send_request('blockchain.transaction.broadcast', [str(tx)], timeout=timeout) if out != tx.txid(): raise Exception(out) t@@ -717,8 +717,9 @@ class Network(PrintError): return await self.interface.request_chunk(height, tip=tip, can_return_early=can_return_early) @best_effort_reliable - async def get_transaction(self, tx_hash: str) -> str: - return await self.interface.session.send_request('blockchain.transaction.get', [tx_hash]) + async def get_transaction(self, tx_hash: str, *, timeout=None) -> str: + return await self.interface.session.send_request('blockchain.transaction.get', [tx_hash], + timeout=timeout) @best_effort_reliable async def get_history_for_scripthash(self, sh: str) -> List[dict]: DIR diff --git a/electrum/util.py b/electrum/util.py t@@ -113,16 +113,6 @@ class FileExportFailed(Exception): return _("Failed to export to file.") + "\n" + self.message -class TimeoutException(Exception): - def __init__(self, message=''): - self.message = str(message) - - def __str__(self): - if not self.message: - return _("Operation timed out.") - return self.message - - class WalletFileException(Exception): pass DIR diff --git a/electrum/wallet.py b/electrum/wallet.py t@@ -43,7 +43,7 @@ from typing import TYPE_CHECKING, List, Optional, Tuple from .i18n import _ from .util import (NotEnoughFunds, PrintError, UserCancelled, profiler, format_satoshis, format_fee_satoshis, NoDynamicFeeEstimates, - TimeoutException, WalletFileException, BitcoinException, + WalletFileException, BitcoinException, InvalidPassword, format_time, timestamp_to_datetime, Satoshis, Fiat, bfh, bh2u) from .bitcoin import (COIN, TYPE_ADDRESS, is_address, address_to_script, t@@ -60,6 +60,7 @@ from .address_synchronizer import (AddressSynchronizer, TX_HEIGHT_LOCAL, from .paymentrequest import (PR_PAID, PR_UNPAID, PR_UNKNOWN, PR_EXPIRED, InvoiceStore) from .contacts import Contacts +from .interface import RequestTimedOut if TYPE_CHECKING: from .network import Network t@@ -768,11 +769,14 @@ class Abstract_Wallet(AddressSynchronizer): tx = self.transactions.get(tx_hash, None) if not tx and self.network: try: - tx = Transaction(self.network.get_transaction(tx_hash)) - except TimeoutException as e: - self.print_error('getting input txn from network timed out for {}'.format(tx_hash)) + raw_tx = self.network.run_from_another_thread( + self.network.get_transaction(tx_hash, timeout=10)) + except RequestTimedOut as e: + self.print_error(f'getting input txn from network timed out for {tx_hash}') if not ignore_timeout: raise e + else: + tx = Transaction(raw_tx) return tx def add_hw_info(self, tx):