From 33308307a47bf9ffc6e553a273c3ab0dfea57aea Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Wed, 5 Jun 2019 19:40:33 +0200
Subject: [PATCH] bip70 payreq: do not show error messages in gui

closes #5393
---
 electrum/paymentrequest.py | 32 ++++++++++++++++++++++++++------
 electrum/util.py           |  1 +
 2 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/electrum/paymentrequest.py b/electrum/paymentrequest.py
index f12fd4026..fedcd1b3a 100644
--- a/electrum/paymentrequest.py
+++ b/electrum/paymentrequest.py
@@ -93,9 +93,19 @@ async def get_payment_request(url: str) -> 'PaymentRequest':
                     data_len = len(data) if data is not None else None
                     _logger.info(f'fetched payment request {url} {data_len}')
         except aiohttp.ClientError as e:
-            error = f"Error while contacting payment URL:\n{repr(e)}"
-            if isinstance(e, aiohttp.ClientResponseError) and e.status == 400 and resp_content:
-                error += "\n" + resp_content.decode("utf8")
+            error = f"Error while contacting payment URL: {url}.\nerror type: {type(e)}"
+            if isinstance(e, aiohttp.ClientResponseError):
+                error += f"\nGot HTTP status code {e.status}."
+                if resp_content:
+                    try:
+                        error_text_received = resp_content.decode("utf8")
+                    except UnicodeDecodeError:
+                        error_text_received = "(failed to decode error)"
+                    else:
+                        error_text_received = error_text_received[:400]
+                    error_oneline = ' -- '.join(error.split('\n'))
+                    _logger.info(f"{error_oneline} -- [DO NOT TRUST THIS MESSAGE] "
+                                 f"{repr(e)} text: {error_text_received}")
             data = None
     elif u.scheme == 'file':
         try:
@@ -305,9 +315,19 @@ class PaymentRequest:
                     print(f"PaymentACK message received: {paymntack.memo}")
                     return True, paymntack.memo
         except aiohttp.ClientError as e:
-            error = f"Payment Message/PaymentACK Failed:\n{repr(e)}"
-            if isinstance(e, aiohttp.ClientResponseError) and e.status == 400 and resp_content:
-                error += "\n" + resp_content.decode("utf8")
+            error = f"Payment Message/PaymentACK Failed:\nerror type: {type(e)}"
+            if isinstance(e, aiohttp.ClientResponseError):
+                error += f"\nGot HTTP status code {e.status}."
+                if resp_content:
+                    try:
+                        error_text_received = resp_content.decode("utf8")
+                    except UnicodeDecodeError:
+                        error_text_received = "(failed to decode error)"
+                    else:
+                        error_text_received = error_text_received[:400]
+                    error_oneline = ' -- '.join(error.split('\n'))
+                    _logger.info(f"{error_oneline} -- [DO NOT TRUST THIS MESSAGE] "
+                                 f"{repr(e)} text: {error_text_received}")
             return False, error
 
 
diff --git a/electrum/util.py b/electrum/util.py
index 44ab5ec52..85aa46325 100644
--- a/electrum/util.py
+++ b/electrum/util.py
@@ -800,6 +800,7 @@ def parse_URI(uri: str, on_pr: Callable = None, *, loop=None) -> dict:
     sig = out.get('sig')
     name = out.get('name')
     if on_pr and (r or (name and sig)):
+        @log_exceptions
         async def get_payment_request():
             from . import paymentrequest as pr
             if name and sig: