Merge pull request #1054 from sipa/buildinfo

Build identification strings

20 files changed, 193 insertions, 31 deletions

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000..26d7549356
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+src/version.cpp export-subst
diff --git a/.gitignore b/.gitignore
index 66f93867d8..dafbc2b6bc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 src/*.exe
 src/bitcoin
 src/bitcoind
+src/build.h
 .*.swp
 *.*~*
 *.bak
diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index 8b34d6c211..46caa22fb7 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -80,6 +80,15 @@ contains(BITCOIN_NEED_QT_PLUGINS, 1) {
     # do not enable this on windows, as it will result in a non-working executable!
 }
 
+# regenerate src/build.h
+!windows || contains(USE_BUILD_INFO, 1) {
+    genbuild.commands = share/genbuild.sh src/build.h
+    genbuild.target = src/build.h
+    "src/version.cpp".depends += src/build.h
+    QMAKE_EXTRA_TARGETS += genbuild
+    DEFINES += HAVE_BUILD_INFO
+}
+
 # disable quite some warnings because bitcoin core "sins" a lot
 QMAKE_CXXFLAGS_WARN_ON = -fdiagnostics-show-option -Wall -Wno-strict-aliasing -Wno-invalid-offsetof -Wno-unused-variable -Wno-unused-parameter -Wno-sign-compare -Wno-char-subscripts -Wno-unused-value -Wno-sequence-point -Wno-parentheses -Wno-unknown-pragmas -Wno-switch
 
@@ -161,6 +170,7 @@ SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \
     src/qt/aboutdialog.cpp \
     src/qt/editaddressdialog.cpp \
     src/qt/bitcoinaddressvalidator.cpp \
+    src/version.cpp \
     src/util.cpp \
     src/netbase.cpp \
     src/key.cpp \
diff --git a/contrib/gitian-descriptors/gitian-win32.yml b/contrib/gitian-descriptors/gitian-win32.yml
index e929eb84f3..49bc9c7a57 100644
--- a/contrib/gitian-descriptors/gitian-win32.yml
+++ b/contrib/gitian-descriptors/gitian-win32.yml
@@ -45,25 +45,30 @@ script: |
   #
   cd bitcoin
   mkdir -p $OUTDIR/src
-  cp -a . $OUTDIR/src
-  rm -rf $OUTDIR/src/.git
+  git archive HEAD | tar -x -C $OUTDIR/src
   cp $OUTDIR/src/doc/README_windows.txt $OUTDIR/readme.txt
   cp $OUTDIR/src/COPYING $OUTDIR/license.txt
   export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
   export FAKETIME=$REFERENCE_DATETIME
   export TZ=UTC
-  $HOME/qt/src/bin/qmake -spec unsupported/win32-g++-cross MINIUPNPC_LIB_PATH=$HOME/build/miniupnpc MINIUPNPC_INCLUDE_PATH=$HOME/build/ BDB_LIB_PATH=$HOME/build/db-4.8.30.NC/build_unix BDB_INCLUDE_PATH=$HOME/build/db-4.8.30.NC/build_unix BOOST_LIB_PATH=$HOME/build/boost_1_47_0/stage/lib BOOST_INCLUDE_PATH=$HOME/build/boost_1_47_0 BOOST_LIB_SUFFIX=-mt-s BOOST_THREAD_LIB_SUFFIX=_win32-mt-s OPENSSL_LIB_PATH=$HOME/build/openssl-1.0.0e OPENSSL_INCLUDE_PATH=$HOME/build/openssl-1.0.0e/include QRENCODE_LIB_PATH=$HOME/build/qrencode-3.2.0/.libs QRENCODE_INCLUDE_PATH=$HOME/build/qrencode-3.2.0 USE_QRCODE=1 INCLUDEPATH=$HOME/build DEFINES=BOOST_THREAD_USE_LIB BITCOIN_NEED_QT_PLUGINS=1 QMAKE_LRELEASE=lrelease QMAKE_CXXFLAGS=-frandom-seed=bitcoin QMAKE_LFLAGS=-frandom-seed=bitcoin
+  $HOME/qt/src/bin/qmake -spec unsupported/win32-g++-cross MINIUPNPC_LIB_PATH=$HOME/build/miniupnpc MINIUPNPC_INCLUDE_PATH=$HOME/build/ BDB_LIB_PATH=$HOME/build/db-4.8.30.NC/build_unix BDB_INCLUDE_PATH=$HOME/build/db-4.8.30.NC/build_unix BOOST_LIB_PATH=$HOME/build/boost_1_47_0/stage/lib BOOST_INCLUDE_PATH=$HOME/build/boost_1_47_0 BOOST_LIB_SUFFIX=-mt-s BOOST_THREAD_LIB_SUFFIX=_win32-mt-s OPENSSL_LIB_PATH=$HOME/build/openssl-1.0.0e OPENSSL_INCLUDE_PATH=$HOME/build/openssl-1.0.0e/include QRENCODE_LIB_PATH=$HOME/build/qrencode-3.2.0/.libs QRENCODE_INCLUDE_PATH=$HOME/build/qrencode-3.2.0 USE_QRCODE=1 INCLUDEPATH=$HOME/build DEFINES=BOOST_THREAD_USE_LIB BITCOIN_NEED_QT_PLUGINS=1 QMAKE_LRELEASE=lrelease QMAKE_CXXFLAGS=-frandom-seed=bitcoin QMAKE_LFLAGS=-frandom-seed=bitcoin USE_BUILD_INFO=1
   make $MAKEOPTS
   cp release/bitcoin-qt.exe $OUTDIR/
   #
   cd src
-  sed 's/$(DEBUGFLAGS)/-frandom-seed=bitcoin/' -i makefile.linux-mingw
   export LD_PRELOAD=/usr/lib/faketime/libfaketime.so.1
   export FAKETIME=$REFERENCE_DATETIME
   export TZ=UTC
-  make -f makefile.linux-mingw $MAKEOPTS DEPSDIR=$HOME/build bitcoind.exe USE_UPNP=0
+  make -f makefile.linux-mingw $MAKEOPTS DEPSDIR=$HOME/build bitcoind.exe USE_UPNP=0 DEBUGFLAGS="-frandom-seed=bitcoin"
   i586-mingw32msvc-strip bitcoind.exe
-  makensis ../share/setup.nsi
-  cp ../share/bitcoin-*-win32-setup.exe $OUTDIR/
   mkdir $OUTDIR/daemon
   cp bitcoind.exe $OUTDIR/daemon
+  cd ..
+  mkdir nsis
+  git archive HEAD | tar -x -C nsis
+  cd nsis/src
+  mkdir ../release
+  cp ../../release/* ../release/
+  cp ../../src/*.exe .
+  makensis ../share/setup.nsi
+  cp ../share/bitcoin-*-win32-setup.exe $OUTDIR/
diff --git a/contrib/gitian-descriptors/gitian.yml b/contrib/gitian-descriptors/gitian.yml
index de622e968f..8243c5c301 100644
--- a/contrib/gitian-descriptors/gitian.yml
+++ b/contrib/gitian-descriptors/gitian.yml
@@ -42,13 +42,11 @@ script: |
   #
   cd bitcoin
   mkdir -p $OUTDIR/src
-  cp -a . $OUTDIR/src
-  rm -rf $OUTDIR/src/.git
+  git archive HEAD | tar -x -C $OUTDIR/src
   cp $OUTDIR/src/doc/README $OUTDIR
   cp $OUTDIR/src/COPYING $OUTDIR
   cd src
-  sed 's/$(DEBUGFLAGS)//' -i makefile.unix
-  make -f makefile.unix STATIC=1 OPENSSL_INCLUDE_PATH="$INSTDIR/include" OPENSSL_LIB_PATH="$INSTDIR/lib" $MAKEOPTS bitcoind USE_UPNP=0
+  make -f makefile.unix STATIC=1 OPENSSL_INCLUDE_PATH="$INSTDIR/include" OPENSSL_LIB_PATH="$INSTDIR/lib" $MAKEOPTS bitcoind USE_UPNP=0 DEBUGFLAGS=
   mkdir -p $OUTDIR/bin/$GBUILD_BITS
   install -s bitcoind $OUTDIR/bin/$GBUILD_BITS
   cd ..
diff --git a/doc/release-process.txt b/doc/release-process.txt
index 051a2151b5..3f3c6dad6a 100644
--- a/doc/release-process.txt
+++ b/doc/release-process.txt
@@ -2,7 +2,7 @@
 
 * update (commit) version in sources
   bitcoin-qt.pro
-  src/main.h      (CLIENT_VERSION : PROTOCOL_VERSION in serialize.h is updated only on protocol changes)
+  src/version.cpp
   share/setup.nsi
   doc/README*
 
diff --git a/share/genbuild.sh b/share/genbuild.sh
new file mode 100755
index 0000000000..d959877dc8
--- /dev/null
+++ b/share/genbuild.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+if [ $# -gt 0 ]; then
+    FILE="$1"
+    shift
+    if [ -f "$FILE" ]; then
+        INFO="$(head -n 1 "$FILE")"
+    fi
+else
+    echo "Usage: $0 <filename>"
+    exit 1
+fi
+
+if [ -e "$(which git)" ]; then
+    # clean 'dirty' status of touched files that haven't been modified
+    git diff >/dev/null 2>/dev/null 
+
+    # get a string like "v0.6.0-66-g59887e8-dirty"
+    DESC="$(git describe --dirty 2>/dev/null)"
+
+    # get a string like "2012-04-10 16:27:19 +0200"
+    TIME="$(git log -n 1 --format="%ci")"
+fi
+
+if [ -n "$DESC" ]; then
+    NEWINFO="#define BUILD_DESC \"$DESC\""
+else
+    NEWINFO="// No build information available"
+fi
+
+# only update build.h if necessary
+if [ "$INFO" != "$NEWINFO" ]; then
+    echo "$NEWINFO" >"$FILE"
+    echo "#define BUILD_DATE \"$TIME\"" >>"$FILE"
+fi
diff --git a/src/init.cpp b/src/init.cpp
index a1e45b1c6b..8d33878186 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -310,7 +310,7 @@ bool AppInit2(int argc, char* argv[])
     if (!fDebug && !pszSetDataDir[0])
         ShrinkDebugFile();
     printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
-    printf("Bitcoin version %s\n", FormatFullVersion().c_str());
+    printf("Bitcoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str());
     printf("Default data directory %s\n", GetDefaultDataDir().c_str());
 
     if (GetBoolArg("-loadblockindextest"))
diff --git a/src/main.cpp b/src/main.cpp
index dea60f0384..3fe0732478 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -18,11 +18,6 @@ using namespace boost;
 // Global state
 //
 
-// Name of client reported in the 'version' message. Report the same name
-// for both bitcoind and bitcoin-qt, to make it harder for attackers to
-// target servers or GUI users specifically.
-const std::string CLIENT_NAME("Satoshi");
-
 CCriticalSection cs_setpwalletRegistered;
 set<CWallet*> setpwalletRegistered;
 
diff --git a/src/main.h b/src/main.h
index 6c81abad56..1d46851ac2 100644
--- a/src/main.h
+++ b/src/main.h
@@ -10,6 +10,7 @@
 #include "key.h"
 #include "script.h"
 #include "db.h"
+#include "version.h"
 
 #ifdef WIN32
 #include <io.h> /* for _commit */
@@ -30,10 +31,6 @@ class CInv;
 class CRequestTracker;
 class CNode;
 
-static const int CLIENT_VERSION = 60099;
-static const bool VERSION_IS_BETA = true;
-extern const std::string CLIENT_NAME;
-
 static const unsigned int MAX_BLOCK_SIZE = 1000000;
 static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/2;
 static const int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
diff --git a/src/makefile.linux-mingw b/src/makefile.linux-mingw
index 3f7e6114ec..4922df599b 100644
--- a/src/makefile.linux-mingw
+++ b/src/makefile.linux-mingw
@@ -43,6 +43,7 @@ LIBS += -l mingwthrd -l kernel32 -l user32 -l gdi32 -l comdlg32 -l winspool -l w
 HEADERS = $(wildcard *.h)
 
 OBJS= \
+    obj/version.o \
     obj/checkpoints.o \
     obj/netbase.o \
     obj/addrman.o \
@@ -64,10 +65,14 @@ OBJS= \
 
 all: bitcoind.exe
 
+build.h: FORCE
+	@../share/genbuild.sh build.h
+DEFS += -DHAVE_BUILD_INFO
+
 obj/%.o: %.cpp $(HEADERS)
 	i586-mingw32msvc-g++ -c $(CFLAGS) -o $@ $<
 
-bitcoind.exe: $(OBJS:obj/%=obj/%)
+bitcoind.exe: build.h $(OBJS:obj/%=obj/%)
 	i586-mingw32msvc-g++ $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS)
 
 
@@ -85,3 +90,6 @@ clean:
 	-rm -f headers.h.gch
 	-rm -f bitcoind.exe
 	-rm -f test_bitcoin.exe
+	-rm -f src/build.h
+
+FORCE:
diff --git a/src/makefile.mingw b/src/makefile.mingw
index 33cc68b62b..397fdf4f32 100644
--- a/src/makefile.mingw
+++ b/src/makefile.mingw
@@ -41,6 +41,7 @@ LIBS += -l kernel32 -l user32 -l gdi32 -l comdlg32 -l winspool -l winmm -l shell
 HEADERS = $(wildcard *.h)
 
 OBJS= \
+    obj/version.o \
     obj/checkpoints.o \
     obj/netbase.o \
     obj/addrman.o \
@@ -82,3 +83,4 @@ clean:
 	-del /Q obj\test\*
 	-del /Q test\*.o
 	-del /Q headers.h.gch
+	-del /Q build.h
diff --git a/src/makefile.osx b/src/makefile.osx
index ed35b33ecb..439d8ef21b 100644
--- a/src/makefile.osx
+++ b/src/makefile.osx
@@ -65,6 +65,7 @@ CFLAGS += -Wextra -Wno-sign-compare -Wno-char-subscripts -Wno-invalid-offsetof -
     $(DEBUGFLAGS) $(DEFS) $(INCLUDEPATHS)
 
 OBJS= \
+    obj/version.o \
     obj/checkpoints.o \
     obj/netbase.o \
     obj/addrman.o \
@@ -99,6 +100,10 @@ all: bitcoind
 -include obj/*.P
 -include obj-test/*.P
 
+build.h: FORCE
+	@../share/genbuild.sh build.h
+DEFS += -DHAVE_BUILD_INFO
+
 obj/%.o: %.cpp
 	$(CXX) -c $(CFLAGS) -MMD -o $@ $<
 	@cp $(@:%.o=%.d) $(@:%.o=%.P); \
@@ -106,7 +111,7 @@ obj/%.o: %.cpp
 	      -e '/^$$/ d' -e 's/$$/ :/' < $(@:%.o=%.d) >> $(@:%.o=%.P); \
 	  rm -f $(@:%.o=%.d)
 
-bitcoind: $(OBJS:obj/%=obj/%)
+bitcoind: build.h $(OBJS:obj/%=obj/%)
 	$(CXX) $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS)
 
 TESTOBJS := $(patsubst test/%.cpp,obj-test/%.o,$(wildcard test/*.cpp))
@@ -127,3 +132,6 @@ clean:
 	-rm -f obj-test/*.o
 	-rm -f obj/*.P
 	-rm -f obj-test/*.P
+	-rm -f src/build.h
+
+FORCE:
diff --git a/src/makefile.unix b/src/makefile.unix
index 1fb8e270fb..c3727361e5 100644
--- a/src/makefile.unix
+++ b/src/makefile.unix
@@ -85,6 +85,7 @@ xCXXFLAGS=-pthread -Wextra -Wno-sign-compare -Wno-char-subscripts -Wno-invalid-o
     $(DEBUGFLAGS) $(DEFS) $(HARDENING) $(CXXFLAGS)
 
 OBJS= \
+    obj/version.o \
     obj/checkpoints.o \
     obj/netbase.o \
     obj/addrman.o \
@@ -111,6 +112,10 @@ all: bitcoind
 -include obj/*.P
 -include obj-test/*.P
 
+build.h: FORCE
+	@../share/genbuild.sh build.h
+DEFS += -DHAVE_BUILD_INFO
+
 obj/%.o: %.cpp
 	$(CXX) -c $(xCXXFLAGS) -MMD -o $@ $<
 	@cp $(@:%.o=%.d) $(@:%.o=%.P); \
@@ -118,7 +123,7 @@ obj/%.o: %.cpp
 	      -e '/^$$/ d' -e 's/$$/ :/' < $(@:%.o=%.d) >> $(@:%.o=%.P); \
 	  rm -f $(@:%.o=%.d)
 
-bitcoind: $(OBJS:obj/%=obj/%)
+bitcoind: build.h $(OBJS:obj/%=obj/%)
 	$(CXX) $(xCXXFLAGS) -o $@ $^ $(LDFLAGS) $(LIBS)
 
 TESTOBJS := $(patsubst test/%.cpp,obj-test/%.o,$(wildcard test/*.cpp))
@@ -139,3 +144,6 @@ clean:
 	-rm -f obj-test/*.o
 	-rm -f obj/*.P
 	-rm -f obj-test/*.P
+	-rm -f src/build.h
+
+FORCE:
diff --git a/src/qt/aboutdialog.cpp b/src/qt/aboutdialog.cpp
index 08d7774067..0b98befe8d 100644
--- a/src/qt/aboutdialog.cpp
+++ b/src/qt/aboutdialog.cpp
@@ -2,6 +2,8 @@
 #include "ui_aboutdialog.h"
 #include "clientmodel.h"
 
+#include "version.h"
+
 AboutDialog::AboutDialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::AboutDialog)
diff --git a/src/qt/clientmodel.cpp b/src/qt/clientmodel.cpp
index 8163da0915..284bee0e8e 100644
--- a/src/qt/clientmodel.cpp
+++ b/src/qt/clientmodel.cpp
@@ -88,3 +88,8 @@ QString ClientModel::formatFullVersion() const
 {
     return QString::fromStdString(FormatFullVersion());
 }
+
+QString ClientModel::formatBuildDate() const
+{
+    return QString::fromStdString(CLIENT_DATE);
+}
diff --git a/src/qt/clientmodel.h b/src/qt/clientmodel.h
index 6366b4d617..8e7431a2f3 100644
--- a/src/qt/clientmodel.h
+++ b/src/qt/clientmodel.h
@@ -37,6 +37,7 @@ public:
     QString getStatusBarWarnings() const;
 
     QString formatFullVersion() const;
+    QString formatBuildDate() const;
 
 private:
     OptionsModel *optionsModel;
diff --git a/src/util.cpp b/src/util.cpp
index 19538a4fa1..cf8ff5361f 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -1066,12 +1066,7 @@ string FormatVersion(int nVersion)
 
 string FormatFullVersion()
 {
-    string s = FormatVersion(CLIENT_VERSION);
-    if (VERSION_IS_BETA) {
-        s += "-";
-        s += _("beta");
-    }
-    return s;
+    return CLIENT_BUILD;
 }
 
 // Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
diff --git a/src/version.cpp b/src/version.cpp
new file mode 100644
index 0000000000..e1be5f491b
--- /dev/null
+++ b/src/version.cpp
@@ -0,0 +1,77 @@
+// Copyright (c) 2012 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+#include <string>
+
+#include "version.h"
+
+// Name of client reported in the 'version' message. Report the same name
+// for both bitcoind and bitcoin-qt, to make it harder for attackers to
+// target servers or GUI users specifically.
+const std::string CLIENT_NAME("Satoshi");
+
+// Client version number
+#define CLIENT_VERSION_MAJOR          0
+#define CLIENT_VERSION_MINOR          6
+#define CLIENT_VERSION_REVISION       0
+#define CLIENT_VERSION_BUILD         99
+#define CLIENT_VERSION_SUFFIX   "-beta"
+
+const int CLIENT_VERSION = 1000000 * CLIENT_VERSION_MAJOR
+                         +   10000 * CLIENT_VERSION_MINOR 
+                         +     100 * CLIENT_VERSION_REVISION
+                         +       1 * CLIENT_VERSION_BUILD;
+
+
+
+// The following part of the code determines the CLIENT_BUILD variable.
+// Several mechanisms are used for this:
+// * first, if HAVE_BUILD_INFO is defined, include build.h, a file that is
+//   generated by the build environment, possibly containing the output
+//   of git-describe in a macro called BUILD_DESC
+// * secondly, if this is an exported version of the code, GIT_ARCHIVE will
+//   be defined (automatically using the export-subst git attribute), and
+//   GIT_COMMIT will contain the commit id.
+// * then, three options exist for determining CLIENT_BUILD:
+//   * if BUILD_DESC is defined, use that literally (output of git-describe)
+//   * if not, but GIT_COMMIT is defined, use v[maj].[min].[rev].[build]-g[commit]
+//   * otherwise, use v[maj].[min].[rev].[build]-unk
+// finally CLIENT_VERSION_SUFFIX is added
+
+// First, include build.h if requested
+#ifdef HAVE_BUILD_INFO
+#    include "build.h"
+#endif
+
+// git will put "#define GIT_ARCHIVE 1" on the next line inside archives. $Format:%n#define GIT_ARCHIVE 1$
+#ifdef GIT_ARCHIVE
+#    define GIT_COMMIT_ID "$Format:%h$"
+#    define GIT_COMMIT_DATE "$Format:%cD"
+#endif
+
+#define STRINGIFY(s) #s
+
+#define BUILD_DESC_FROM_COMMIT(maj,min,rev,build,commit) \
+    "v" STRINGIFY(maj) "." STRINGIFY(min) "." STRINGIFY(rev) "." STRINGIFY(build) "-g" commit
+
+#define BUILD_DESC_FROM_UNKNOWN(maj,min,rev,build) \
+    "v" STRINGIFY(maj) "." STRINGIFY(min) "." STRINGIFY(rev) "." STRINGIFY(build) "-unk"
+
+#ifndef BUILD_DESC
+#    ifdef GIT_COMMIT_ID
+#        define BUILD_DESC BUILD_DESC_FROM_COMMIT(CLIENT_VERSION_MAJOR, CLIENT_VERSION_MINOR, CLIENT_VERSION_REVISION, CLIENT_VERSION_BUILD, GIT_COMMIT_ID)
+#    else
+#        define BUILD_DESC BUILD_DESC_FROM_UNKNOWN(CLIENT_VERSION_MAJOR, CLIENT_VERSION_MINOR, CLIENT_VERSION_REVISION, CLIENT_VERSION_BUILD)
+#    endif
+#endif
+
+#ifndef BUILD_DATE
+#    ifdef GIT_COMMIT_DATE
+#        define BUILD_DATE GIT_COMMIT_DATE
+#    else
+#        define BUILD_DATE __DATE__ ", " __TIME__
+#    endif
+#endif
+
+const std::string CLIENT_BUILD(BUILD_DESC CLIENT_VERSION_SUFFIX);
+const std::string CLIENT_DATE(BUILD_DATE);
diff --git a/src/version.h b/src/version.h
new file mode 100644
index 0000000000..c93b28fb7d
--- /dev/null
+++ b/src/version.h
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+#ifndef BITCOIN_VERSION_H
+#define BITCOIN_VERSION_H
+
+#include <string>
+
+extern const std::string CLIENT_NAME;
+extern const std::string CLIENT_BUILD;
+extern const std::string CLIENT_DATE;
+extern const int         CLIENT_VERSION;
+
+#endif