diff --git a/depends/packages/zeromq.mk b/depends/packages/zeromq.mk
index d5fd1f39a..c9068e83a 100644
--- a/depends/packages/zeromq.mk
+++ b/depends/packages/zeromq.mk
@@ -1,8 +1,8 @@
package=zeromq
-$(package)_version=4.2.3
+$(package)_version=4.2.5
$(package)_download_path=https://github.com/zeromq/libzmq/releases/download/v$($(package)_version)/
$(package)_file_name=$(package)-$($(package)_version).tar.gz
-$(package)_sha256_hash=8f1e2b2aade4dbfde98d82366d61baef2f62e812530160d2e6d0a5bb24e40bc0
+$(package)_sha256_hash=cc9090ba35713d59bb2f7d7965f877036c49c5558ea0c290b0dcc6f2a17e489f
$(package)_patches=0001-fix-build-with-older-mingw64.patch 0002-disable-pthread_set_name_np.patch
define $(package)_set_vars
diff --git a/depends/patches/zeromq/0001-fix-build-with-older-mingw64.patch b/depends/patches/zeromq/0001-fix-build-with-older-mingw64.patch
index a6c508fb8..b911ac567 100644
--- a/depends/patches/zeromq/0001-fix-build-with-older-mingw64.patch
+++ b/depends/patches/zeromq/0001-fix-build-with-older-mingw64.patch
@@ -1,6 +1,6 @@
-From 1a159c128c69a42d90819375c06a39994f3fbfc1 Mon Sep 17 00:00:00 2001
-From: Cory Fields <cory-nospam-@coryfields.com>
-Date: Tue, 28 Nov 2017 20:33:25 -0500
+From f6866b0f166ad168618aae64c7fbee8775d3eb23 Mon Sep 17 00:00:00 2001
+From: mruddy <6440430+mruddy@users.noreply.github.com>
+Date: Sat, 30 Jun 2018 09:44:58 -0400
Subject: [PATCH] fix build with older mingw64
---
@@ -8,10 +8,10 @@ Subject: [PATCH] fix build with older mingw64
1 file changed, 7 insertions(+)
diff --git a/src/windows.hpp b/src/windows.hpp
-index 99e889d..e69038e 100644
+index 6c3839fd..2c32ec79 100644
--- a/src/windows.hpp
+++ b/src/windows.hpp
-@@ -55,6 +55,13 @@
+@@ -58,6 +58,13 @@
#include <winsock2.h>
#include <windows.h>
#include <mswsock.h>
@@ -23,8 +23,8 @@ index 99e889d..e69038e 100644
+#include <ws2ipdef.h>
+#endif
#include <iphlpapi.h>
-
+
#if !defined __MINGW32__
---
-2.7.4
+--
+2.17.1
diff --git a/depends/patches/zeromq/0002-disable-pthread_set_name_np.patch b/depends/patches/zeromq/0002-disable-pthread_set_name_np.patch
index d220b54f3..022e31197 100644
--- a/depends/patches/zeromq/0002-disable-pthread_set_name_np.patch
+++ b/depends/patches/zeromq/0002-disable-pthread_set_name_np.patch
@@ -1,6 +1,6 @@
-From 6e6b47d5ab381c3df3b30bb0b0a6cf210dfb1eba Mon Sep 17 00:00:00 2001
-From: Cory Fields <cory-nospam-@coryfields.com>
-Date: Mon, 5 Mar 2018 14:22:05 -0500
+From c9bbdd6581d07acfe8971e4bcebe278a3676cf03 Mon Sep 17 00:00:00 2001
+From: mruddy <6440430+mruddy@users.noreply.github.com>
+Date: Sat, 30 Jun 2018 09:57:18 -0400
Subject: [PATCH] disable pthread_set_name_np
pthread_set_name_np adds a Glibc requirement on >= 2.12.
@@ -9,21 +9,21 @@ pthread_set_name_np adds a Glibc requirement on >= 2.12.
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/thread.cpp b/src/thread.cpp
-index 4fc59c3e..c3fdfd46 100644
+index a1086b0c..9943f354 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
-@@ -220,7 +220,7 @@ void zmq::thread_t::setThreadName(const char *name_)
+@@ -307,7 +307,7 @@ void zmq::thread_t::setThreadName (const char *name_)
*/
if (!name_)
return;
-
+#if 0
#if defined(ZMQ_HAVE_PTHREAD_SETNAME_1)
- int rc = pthread_setname_np(name_);
- if(rc) return;
-@@ -233,6 +233,8 @@ void zmq::thread_t::setThreadName(const char *name_)
+ int rc = pthread_setname_np (name_);
+ if (rc)
+@@ -323,6 +323,8 @@ void zmq::thread_t::setThreadName (const char *name_)
#elif defined(ZMQ_HAVE_PTHREAD_SET_NAME)
- pthread_set_name_np(descriptor, name_);
+ pthread_set_name_np (descriptor, name_);
#endif
+#endif
+ return;
@@ -31,5 +31,5 @@ index 4fc59c3e..c3fdfd46 100644
#endif
--
-2.11.1
+2.17.1
diff --git a/doc/build-unix.md b/doc/build-unix.md
index 337de12b8..dfeb8ba26 100644
--- a/doc/build-unix.md
+++ b/doc/build-unix.md
@@ -47,7 +47,7 @@ Optional dependencies:
protobuf | Payments in GUI | Data interchange format used for payment protocol (only needed when GUI enabled)
libqrencode | QR codes in GUI | Optional for generating QR codes (only needed when GUI enabled)
univalue | Utility | JSON parsing and encoding (bundled version will be used unless --with-system-univalue passed to configure)
- libzmq3 | ZMQ notification | Optional, allows generating ZMQ notifications (requires ZMQ version >= 4.x)
+ libzmq3 | ZMQ notification | Optional, allows generating ZMQ notifications (requires ZMQ version >= 4.0.0)
For the versions used, see [dependencies.md](dependencies.md)
@@ -93,7 +93,7 @@ Optional (see --with-miniupnpc and --enable-upnp-default):
sudo apt-get install libminiupnpc-dev
-ZMQ dependencies (provides ZMQ API 4.x):
+ZMQ dependencies (provides ZMQ API):
sudo apt-get install libzmq3-dev
diff --git a/doc/dependencies.md b/doc/dependencies.md
index 3fc7aecba..d777aaf66 100644
--- a/doc/dependencies.md
+++ b/doc/dependencies.md
@@ -26,5 +26,5 @@ These are the dependencies currently used by Bitcoin Core. You can find instruct
| Qt | [5.9.6](https://download.qt.io/official_releases/qt/) | 5.x | No | | |
| XCB | | | | | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk#L87) (Linux only) |
| xkbcommon | | | | | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk#L86) (Linux only) |
-| ZeroMQ | [4.2.3](https://github.com/zeromq/libzmq/releases) | | No | | |
+| ZeroMQ | [4.2.5](https://github.com/zeromq/libzmq/releases) | 4.0.0 | No | | |
| zlib | [1.2.11](https://zlib.net/) | | | | No |
diff --git a/doc/zmq.md b/doc/zmq.md
index 5d67df9d2..a1a506f2e 100644
--- a/doc/zmq.md
+++ b/doc/zmq.md
@@ -33,8 +33,10 @@ buffering or reassembly.
## Prerequisites
-The ZeroMQ feature in Bitcoin Core requires ZeroMQ API version 4.x or
-newer. Typically, it is packaged by distributions as something like
+The ZeroMQ feature in Bitcoin Core requires the ZeroMQ API >= 4.0.0
+[libzmq](https://github.com/zeromq/libzmq/releases).
+For version information, see [dependencies.md](dependencies.md).
+Typically, it is packaged by distributions as something like
*libzmq3-dev*. The C++ wrapper for ZeroMQ is *not* needed.
In order to run the example Python client scripts in contrib/ one must
diff --git a/src/zmq/zmqnotificationinterface.cpp b/src/zmq/zmqnotificationinterface.cpp
index 8cbc96997..1d9f86d45 100644
--- a/src/zmq/zmqnotificationinterface.cpp
+++ b/src/zmq/zmqnotificationinterface.cpp
@@ -81,10 +81,14 @@ CZMQNotificationInterface* CZMQNotificationInterface::Create()
// Called at startup to conditionally set up ZMQ socket(s)
bool CZMQNotificationInterface::Initialize()
{
+ int major = 0, minor = 0, patch = 0;
+ zmq_version(&major, &minor, &patch);
+ LogPrint(BCLog::ZMQ, "zmq: version %d.%d.%d\n", major, minor, patch);
+
LogPrint(BCLog::ZMQ, "zmq: Initialize notification interface\n");
assert(!pcontext);
- pcontext = zmq_init(1);
+ pcontext = zmq_ctx_new();
if (!pcontext)
{
@@ -127,7 +131,7 @@ void CZMQNotificationInterface::Shutdown()
LogPrint(BCLog::ZMQ, " Shutdown notifier %s at %s\n", notifier->GetType(), notifier->GetAddress());
notifier->Shutdown();
}
- zmq_ctx_destroy(pcontext);
+ zmq_ctx_term(pcontext);
pcontext = nullptr;
}