Merge #8914: Kill insecure_random and associated global state

5eaaa83 Kill insecure_random and associated global state (Wladimir J. van der Laan)

src/test/addrman_tests.cpp

@@ -26,7 +26,7 @@ public:
     void MakeDeterministic()
     {
         nKey.SetNull();
-        seed_insecure_rand(true);
+        insecure_rand = FastRandomContext(true);
     }
 
     int RandomInt(int nMax)

src/test/coins_tests.cpp

@@ -3,7 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "coins.h"
-#include "random.h"
+#include "test_random.h"
 #include "script/standard.h"
 #include "uint256.h"
 #include "utilstrencodings.h"

src/test/crypto_tests.cpp

@@ -9,7 +9,7 @@
 #include "crypto/sha512.h"
 #include "crypto/hmac_sha256.h"
 #include "crypto/hmac_sha512.h"
-#include "random.h"
+#include "test_random.h"
 #include "utilstrencodings.h"
 #include "test/test_bitcoin.h"
 

src/test/merkle_tests.cpp

@@ -4,7 +4,7 @@
 
 #include "consensus/merkle.h"
 #include "test/test_bitcoin.h"
-#include "random.h"
+#include "test_random.h"
 
 #include <boost/test/unit_test.hpp>
 

src/test/net_tests.cpp

@@ -23,7 +23,7 @@ public:
     void MakeDeterministic()
     {
         nKey.SetNull();
-        seed_insecure_rand(true);
+        insecure_rand = FastRandomContext(true);
     }
 };
 

src/test/pmt_tests.cpp

@@ -9,7 +9,7 @@
 #include "uint256.h"
 #include "arith_uint256.h"
 #include "version.h"
-#include "random.h"
+#include "test_random.h"
 #include "test/test_bitcoin.h"
 
 #include <vector>

src/test/prevector_tests.cpp

@@ -4,7 +4,7 @@
 
 #include <vector>
 #include "prevector.h"
-#include "random.h"
+#include "test_random.h"
 
 #include "serialize.h"
 #include "streams.h"
@@ -27,8 +27,7 @@ class prevector_tester {
 
     typedef typename pretype::size_type Size;
     bool passed = true;
-    uint32_t insecure_rand_Rz_cache;
-    uint32_t insecure_rand_Rw_cache;
+    FastRandomContext rand_cache;
 
 
     template <typename A, typename B>
@@ -171,15 +170,14 @@ public:
         test();
     }
     ~prevector_tester() {
-        BOOST_CHECK_MESSAGE(passed, "insecure_rand_Rz: " 
-                << insecure_rand_Rz_cache 
+        BOOST_CHECK_MESSAGE(passed, "insecure_rand_Rz: "
+                << rand_cache.Rz
                 << ", insecure_rand_Rw: "
-                << insecure_rand_Rw_cache);
+                << rand_cache.Rw);
     }
     prevector_tester() {
         seed_insecure_rand();
-        insecure_rand_Rz_cache = insecure_rand_Rz;
-        insecure_rand_Rw_cache = insecure_rand_Rw;
+        rand_cache = insecure_rand_ctx;
     }
 };
 

src/test/scheduler_tests.cpp

@@ -42,8 +42,6 @@ static void MicroSleep(uint64_t n)
 
 BOOST_AUTO_TEST_CASE(manythreads)
 {
-    seed_insecure_rand(false);
-
     // Stress test: hundreds of microsecond-scheduled tasks,
     // serviced by 10 threads.
     //
@@ -58,7 +56,7 @@ BOOST_AUTO_TEST_CASE(manythreads)
 
     boost::mutex counterMutex[10];
     int counter[10] = { 0 };
-    boost::random::mt19937 rng(insecure_rand());
+    boost::random::mt19937 rng(42);
     boost::random::uniform_int_distribution<> zeroToNine(0, 9);
     boost::random::uniform_int_distribution<> randomMsec(-11, 1000);
     boost::random::uniform_int_distribution<> randomDelta(-1000, 1000);

src/test/sighash_tests.cpp

@@ -6,7 +6,7 @@
 #include "data/sighash.json.h"
 #include "hash.h"
 #include "main.h" // For CheckTransaction
-#include "random.h"
+#include "test_random.h"
 #include "script/interpreter.h"
 #include "script/script.h"
 #include "serialize.h"

src/test/skiplist_tests.cpp

@@ -3,7 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "chain.h"
-#include "random.h"
+#include "test_random.h"
 #include "util.h"
 #include "test/test_bitcoin.h"
 

src/test/test_bitcoin.cpp

@@ -27,6 +27,7 @@
 #include <boost/thread.hpp>
 
 std::unique_ptr<CConnman> g_connman;
+FastRandomContext insecure_rand_ctx(true);
 
 extern bool fPrintToConsole;
 extern void noui_connect();

src/test/test_random.h

@@ -0,0 +1,23 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2014 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_TEST_RANDOM_H
+#define BITCOIN_TEST_RANDOM_H
+
+#include "random.h"
+
+extern FastRandomContext insecure_rand_ctx;
+
+static inline void seed_insecure_rand(bool fDeterministic = false)
+{
+    insecure_rand_ctx = FastRandomContext(fDeterministic);
+}
+
+static inline uint32_t insecure_rand(void)
+{
+    return insecure_rand_ctx.rand32();
+}
+
+#endif

src/test/util_tests.cpp

@@ -6,7 +6,7 @@
 
 #include "clientversion.h"
 #include "primitives/transaction.h"
-#include "random.h"
+#include "test_random.h"
 #include "sync.h"
 #include "utilstrencodings.h"
 #include "utilmoneystr.h"

src/test/versionbits_tests.cpp

@@ -3,7 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "chain.h"
-#include "random.h"
+#include "test_random.h"
 #include "versionbits.h"
 #include "test/test_bitcoin.h"
 #include "chainparams.h"