From dde8c01448e0302c99c39fcd02ced88431a60d27 Mon Sep 17 00:00:00 2001
From: cheatfate <eugene.kabanov@status.im>
Date: Thu, 28 Nov 2019 20:58:56 +0200
Subject: [PATCH] Workaround for https://github.com/nim-lang/Nim/issues/12764 .
 Remove usage of getCurrentException().

---
 libp2p/daemon/daemonapi.nim       | 10 +++-------
 libp2p/protocols/secure/secio.nim |  5 ++---
 2 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/libp2p/daemon/daemonapi.nim b/libp2p/daemon/daemonapi.nim
index d683cc95d..a362904a8 100644
--- a/libp2p/daemon/daemonapi.nim
+++ b/libp2p/daemon/daemonapi.nim
@@ -894,9 +894,8 @@ proc openStream*(api: DaemonAPI, peer: PeerID,
         stream.flags.incl(Outbound)
         stream.transp = transp
         result = stream
-  except:
+  finally:
     await api.closeConnection(transp)
-    raise getCurrentException()
 
 proc streamHandler(server: StreamServer, transp: StreamTransport) {.async.} =
   var api = getUserData[DaemonAPI](server)
@@ -933,14 +932,12 @@ proc addHandler*(api: DaemonAPI, protocols: seq[string],
                                                                protocols))
     pb.withMessage() do:
       api.servers.add(P2PServer(server: server, address: maddress))
-  except:
+  finally:
     for item in protocols:
       api.handlers.del(item)
     server.stop()
     server.close()
     await server.join()
-    raise getCurrentException()
-  finally:
     await api.closeConnection(transp)
 
 proc listPeers*(api: DaemonAPI): Future[seq[PeerInfo]] {.async.} =
@@ -1301,9 +1298,8 @@ proc pubsubSubscribe*(api: DaemonAPI, topic: string,
       ticket.transp = transp
       asyncCheck pubsubLoop(api, ticket)
       result = ticket
-  except:
+  finally:
     await api.closeConnection(transp)
-    raise getCurrentException()
 
 proc `$`*(pinfo: PeerInfo): string =
   ## Get string representation of ``PeerInfo`` object.
diff --git a/libp2p/protocols/secure/secio.nim b/libp2p/protocols/secure/secio.nim
index 534bcf088..10557ac7b 100644
--- a/libp2p/protocols/secure/secio.nim
+++ b/libp2p/protocols/secure/secio.nim
@@ -1,4 +1,3 @@
-
 ## Nim-LibP2P
 ## Copyright (c) 2019 Status Research & Development GmbH
 ## Licensed under either of
@@ -405,8 +404,8 @@ proc readLoop(sconn: SecureConnection, stream: BufferStream) {.async.} =
     try:
       let msg = await sconn.readMessage()
       await stream.pushTo(msg)
-    except:
-      trace "exception in secio", exc = getCurrentExceptionMsg()
+    except CatchableError as exc:
+      trace "exception in secio", exc = exc
       return
     finally:
       trace "ending secio readLoop"