Truncate oversize 'tx' messages before relaying/storing.
Fixes a memory exhaustion attack on low-memory peers.

Fixes a memory exhaustion attack on low-memory peers.
Dump addresses every 15 minutes instead of 10 seconds
bitcoin · petertodd · gavinandresen · sipa · gavinandresen · gavinandresen
diff --git a/README.md b/README.md
@@ -15,7 +15,7 @@ out collectively by the network. Bitcoin is also the name of the open source
 software which enables the use of this currency.
 
 For more information, as well as an immediately useable, binary version of
-the Bitcoin client sofware, see http://www.bitcoin.org.
+the Bitcoin client software, see http://www.bitcoin.org.
 
 License
 -------
@@ -38,7 +38,7 @@ submitter will be asked to start a discussion (if they haven't already) on the
 
 The patch will be accepted if there is broad consensus that it is a good thing.
 Developers should expect to rework and resubmit patches if the code doesn't
-match the project's coding conventions (see `doc/coding.txt`) or are
+match the project's coding conventions (see `doc/coding.md`) or are
 controversial.
 
 The `master` branch is regularly built and tested, but is not guaranteed to be
diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
@@ -1,7 +1,7 @@
 TEMPLATE = app
 TARGET = bitcoin-qt
 macx:TARGET = "Bitcoin-Qt"
-VERSION = 0.8.2
+VERSION = 0.8.6
 INCLUDEPATH += src src/json src/qt
 QT += network
 DEFINES += QT_GUI BOOST_THREAD_USE_LIB BOOST_SPIRIT_THREADSAFE
diff --git a/contrib/debian/bitcoin-qt.desktop b/contrib/debian/bitcoin-qt.desktop
@@ -4,7 +4,7 @@ Name=Bitcoin
 Comment=Bitcoin P2P Cryptocurrency
 Comment[fr]=Bitcoin, monnaie virtuelle cryptographique pair à pair
 Comment[tr]=Bitcoin, eşten eşe kriptografik sanal para birimi
-Exec=/usr/bin/bitcoin-qt
+Exec=/usr/bin/bitcoin-qt %u
 Terminal=false
 Type=Application
 Icon=/usr/share/pixmaps/bitcoin128.png
diff --git a/contrib/gitian-downloader/linux-download-config b/contrib/gitian-downloader/linux-download-config
@@ -35,4 +35,8 @@ signers:
     weight: 40
     name: "Wladimir J. van der Laan"
     key: laanwj
+  AEC1884398647C47413C1C3FB1179EB7347DC10D:
+    weight: 40
+    name: "Warren Togami"
+    key: wtogami
 minimum_weight: 120
diff --git a/contrib/gitian-downloader/win32-download-config b/contrib/gitian-downloader/win32-download-config
@@ -35,4 +35,8 @@ signers:
     weight: 40
     name: "Wladimir J. van der Laan"
     key: laanwj
+  AEC1884398647C47413C1C3FB1179EB7347DC10D:
+    weight: 40
+    name: "Warren Togami"
+    key: wtogami
 minimum_weight: 120
diff --git a/contrib/gitian-downloader/wtogami-key.pgp b/contrib/gitian-downloader/wtogami-key.pgp
@@ -0,0 +1,131 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.13 (GNU/Linux)
+
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+=icdI
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/contrib/homebrew/makefile.osx.patch b/contrib/homebrew/makefile.osx.patch
@@ -1,5 +1,5 @@
 diff --git a/src/makefile.osx b/src/makefile.osx
-index 8b7c559..8a0560c 100644
+index bef0ef3..07ef8d3 100644
 --- a/src/makefile.osx
 +++ b/src/makefile.osx
 @@ -7,17 +7,21 @@
@@ -28,7 +28,7 @@ index 8b7c559..8a0560c 100644
  
  USE_UPNP:=1
  USE_IPV6:=1
-@@ -31,13 +35,13 @@ ifdef STATIC
+@@ -31,14 +35,14 @@ ifdef STATIC
  TESTLIBS += \
   $(DEPSDIR)/lib/libboost_unit_test_framework-mt.a
  LIBS += \
@@ -38,6 +38,7 @@ index 8b7c559..8a0560c 100644
   $(DEPSDIR)/lib/libboost_filesystem-mt.a \
   $(DEPSDIR)/lib/libboost_program_options-mt.a \
   $(DEPSDIR)/lib/libboost_thread-mt.a \
+  $(DEPSDIR)/lib/libboost_chrono-mt.a \
 - $(DEPSDIR)/lib/libssl.a \
 - $(DEPSDIR)/lib/libcrypto.a \
 + $(OPENSSLDIR)/lib/libssl.a \
diff --git a/contrib/verifysfbinaries/verify.sh b/contrib/verifysfbinaries/verify.sh
@@ -18,7 +18,7 @@ WORKINGDIR="/tmp/bitcoin"
 TMPFILE="hashes.tmp"
 
 #this URL is used if a version number is not specified as an argument to the script
-SIGNATUREFILE="http://downloads.sourceforge.net/project/bitcoin/Bitcoin/bitcoin-0.8.2/SHA256SUMS.asc"
+SIGNATUREFILE="http://downloads.sourceforge.net/project/bitcoin/Bitcoin/bitcoin-0.8.6/SHA256SUMS.asc"
 
 SIGNATUREFILENAME="SHA256SUMS.asc"
 RCSUBDIR="test/"
diff --git a/db/autocompact_test.cc b/db/autocompact_test.cc
@@ -0,0 +1,118 @@
+// Copyright (c) 2013 The LevelDB Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+#include "leveldb/db.h"
+#include "db/db_impl.h"
+#include "leveldb/cache.h"
+#include "util/testharness.h"
+#include "util/testutil.h"
+
+namespace leveldb {
+
+class AutoCompactTest {
+ public:
+  std::string dbname_;
+  Cache* tiny_cache_;
+  Options options_;
+  DB* db_;
+
+  AutoCompactTest() {
+    dbname_ = test::TmpDir() + "/autocompact_test";
+    tiny_cache_ = NewLRUCache(100);
+    options_.block_cache = tiny_cache_;
+    DestroyDB(dbname_, options_);
+    options_.create_if_missing = true;
+    options_.compression = kNoCompression;
+    ASSERT_OK(DB::Open(options_, dbname_, &db_));
+  }
+
+  ~AutoCompactTest() {
+    delete db_;
+    DestroyDB(dbname_, Options());
+    delete tiny_cache_;
+  }
+
+  std::string Key(int i) {
+    char buf[100];
+    snprintf(buf, sizeof(buf), "key%06d", i);
+    return std::string(buf);
+  }
+
+  uint64_t Size(const Slice& start, const Slice& limit) {
+    Range r(start, limit);
+    uint64_t size;
+    db_->GetApproximateSizes(&r, 1, &size);
+    return size;
+  }
+
+  void DoReads(int n);
+};
+
+static const int kValueSize = 200 * 1024;
+static const int kTotalSize = 100 * 1024 * 1024;
+static const int kCount = kTotalSize / kValueSize;
+
+// Read through the first n keys repeatedly and check that they get
+// compacted (verified by checking the size of the key space).
+void AutoCompactTest::DoReads(int n) {
+  std::string value(kValueSize, 'x');
+  DBImpl* dbi = reinterpret_cast<DBImpl*>(db_);
+
+  // Fill database
+  for (int i = 0; i < kCount; i++) {
+    ASSERT_OK(db_->Put(WriteOptions(), Key(i), value));
+  }
+  ASSERT_OK(dbi->TEST_CompactMemTable());
+
+  // Delete everything
+  for (int i = 0; i < kCount; i++) {
+    ASSERT_OK(db_->Delete(WriteOptions(), Key(i)));
+  }
+  ASSERT_OK(dbi->TEST_CompactMemTable());
+
+  // Get initial measurement of the space we will be reading.
+  const int64_t initial_size = Size(Key(0), Key(n));
+  const int64_t initial_other_size = Size(Key(n), Key(kCount));
+
+  // Read until size drops significantly.
+  std::string limit_key = Key(n);
+  for (int read = 0; true; read++) {
+    ASSERT_LT(read, 100) << "Taking too long to compact";
+    Iterator* iter = db_->NewIterator(ReadOptions());
+    for (iter->SeekToFirst();
+         iter->Valid() && iter->key().ToString() < limit_key;
+         iter->Next()) {
+      // Drop data
+    }
+    delete iter;
+    // Wait a little bit to allow any triggered compactions to complete.
+    Env::Default()->SleepForMicroseconds(1000000);
+    uint64_t size = Size(Key(0), Key(n));
+    fprintf(stderr, "iter %3d => %7.3f MB [other %7.3f MB]\n",
+            read+1, size/1048576.0, Size(Key(n), Key(kCount))/1048576.0);
+    if (size <= initial_size/10) {
+      break;
+    }
+  }
+
+  // Verify that the size of the key space not touched by the reads
+  // is pretty much unchanged.
+  const int64_t final_other_size = Size(Key(n), Key(kCount));
+  ASSERT_LE(final_other_size, initial_other_size + 1048576);
+  ASSERT_GE(final_other_size, initial_other_size/5 - 1048576);
+}
+
+TEST(AutoCompactTest, ReadAll) {
+  DoReads(kCount);
+}
+
+TEST(AutoCompactTest, ReadHalf) {
+  DoReads(kCount/2);
+}
+
+}  // namespace leveldb
+
+int main(int argc, char** argv) {
+  return leveldb::test::RunAllTests();
+}
diff --git a/doc/Doxyfile b/doc/Doxyfile
@@ -34,7 +34,7 @@ PROJECT_NAME           = Bitcoin
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = 0.5.0
+PROJECT_NUMBER         = 0.8.6
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description 
 # for a project that appears at the top of each page and should give viewer 
diff --git a/doc/README.md b/doc/README.md
@@ -1,4 +1,4 @@
-Bitcoin 0.8.2 BETA
+Bitcoin 0.8.6 BETA
 ====================
 
 Copyright (c) 2009-2013 Bitcoin Developers
@@ -43,4 +43,4 @@ Other Pages
 - [Release Notes](release-notes.md)
 - [Multiwallet Qt Development](multiwallet-qt.md)
 - [Unit Tests](unit-tests.md)
-- [Translation Process](translation_process.md)
+- [Translation Process](translation_process.md)
diff --git a/doc/README_windows.txt b/doc/README_windows.txt
@@ -1,4 +1,4 @@
-Bitcoin 0.8.2 BETA
+Bitcoin 0.8.5 BETA
 
 Copyright (c) 2009-2013 Bitcoin Developers
 Distributed under the MIT/X11 software license, see the accompanying