scripted-diff: Replace boost::bind with std::bind

-BEGIN VERIFY SCRIPT-
for j in $(seq 1 5)
do
    sed -i "s/ _${j}/ std::placeholders::_${j}/g" $(git grep --name-only " _${j}" -- '*.cpp' '*.h')
done
sed -i "s/boost::bind/std::bind/g" $(git grep --name-only boost::bind -- '*.cpp' '*.h')
sed -i "s/boost::ref/std::ref/g" $(git grep --name-only boost::ref -- '*.cpp' '*.h')
sed -i '/boost\/bind/d' $(git grep --name-only boost/bind)
-END VERIFY SCRIPT-

src/bench/block_assemble.cpp

@@ -77,7 +77,7 @@ static void AssembleBlock(benchmark::State& state)
         ::pcoinsTip.reset(new CCoinsViewCache(pcoinsdbview.get()));
 
         const CChainParams& chainparams = Params();
-        thread_group.create_thread(boost::bind(&CScheduler::serviceQueue, &scheduler));
+        thread_group.create_thread(std::bind(&CScheduler::serviceQueue, &scheduler));
         GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
         LoadGenesisBlock(chainparams);
         CValidationState state;

src/init.cpp

@@ -57,7 +57,6 @@
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/replace.hpp>
 #include <boost/algorithm/string/split.hpp>
-#include <boost/bind.hpp>
 #include <boost/thread.hpp>
 #include <openssl/crypto.h>
 
@@ -1206,8 +1205,8 @@ bool AppInitMain()
     }
 
     // Start the lightweight task scheduler thread
-    CScheduler::Function serviceLoop = boost::bind(&CScheduler::serviceQueue, &scheduler);
-    threadGroup.create_thread(boost::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop));
+    CScheduler::Function serviceLoop = std::bind(&CScheduler::serviceQueue, &scheduler);
+    threadGroup.create_thread(std::bind(&TraceThread<CScheduler::Function>, "scheduler", serviceLoop));
 
     GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
     GetMainSignals().RegisterWithMempoolSignals(mempool);
@@ -1598,7 +1597,7 @@ bool AppInitMain()
         vImportFiles.push_back(strFile);
     }
 
-    threadGroup.create_thread(boost::bind(&ThreadImport, vImportFiles));
+    threadGroup.create_thread(std::bind(&ThreadImport, vImportFiles));
 
     // Wait for genesis block to be processed
     {

src/qt/bitcoingui.cpp

@@ -58,7 +58,6 @@
 #include <QUrlQuery>
 #include <QVBoxLayout>
 
-#include <boost/bind.hpp>
 
 const std::string BitcoinGUI::DEFAULT_UIPLATFORM =
 #if defined(Q_OS_MAC)
@@ -1241,8 +1240,8 @@ static bool ThreadSafeMessageBox(BitcoinGUI* gui, const std::string& message, co
 void BitcoinGUI::subscribeToCoreSignals()
 {
     // Connect signals to client
-    m_handler_message_box = m_node.handleMessageBox(boost::bind(ThreadSafeMessageBox, this, _1, _2, _3));
-    m_handler_question = m_node.handleQuestion(boost::bind(ThreadSafeMessageBox, this, _1, _3, _4));
+    m_handler_message_box = m_node.handleMessageBox(std::bind(ThreadSafeMessageBox, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
+    m_handler_question = m_node.handleQuestion(std::bind(ThreadSafeMessageBox, this, std::placeholders::_1, std::placeholders::_3, std::placeholders::_4));
 }
 
 void BitcoinGUI::unsubscribeFromCoreSignals()

src/qt/clientmodel.cpp

@@ -247,13 +247,13 @@ static void BlockTipChanged(ClientModel *clientmodel, bool initialSync, int heig
 void ClientModel::subscribeToCoreSignals()
 {
     // Connect signals to client
-    m_handler_show_progress = m_node.handleShowProgress(boost::bind(ShowProgress, this, _1, _2));
-    m_handler_notify_num_connections_changed = m_node.handleNotifyNumConnectionsChanged(boost::bind(NotifyNumConnectionsChanged, this, _1));
-    m_handler_notify_network_active_changed = m_node.handleNotifyNetworkActiveChanged(boost::bind(NotifyNetworkActiveChanged, this, _1));
-    m_handler_notify_alert_changed = m_node.handleNotifyAlertChanged(boost::bind(NotifyAlertChanged, this));
-    m_handler_banned_list_changed = m_node.handleBannedListChanged(boost::bind(BannedListChanged, this));
-    m_handler_notify_block_tip = m_node.handleNotifyBlockTip(boost::bind(BlockTipChanged, this, _1, _2, _3, _4, false));
-    m_handler_notify_header_tip = m_node.handleNotifyHeaderTip(boost::bind(BlockTipChanged, this, _1, _2, _3, _4, true));
+    m_handler_show_progress = m_node.handleShowProgress(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2));
+    m_handler_notify_num_connections_changed = m_node.handleNotifyNumConnectionsChanged(std::bind(NotifyNumConnectionsChanged, this, std::placeholders::_1));
+    m_handler_notify_network_active_changed = m_node.handleNotifyNetworkActiveChanged(std::bind(NotifyNetworkActiveChanged, this, std::placeholders::_1));
+    m_handler_notify_alert_changed = m_node.handleNotifyAlertChanged(std::bind(NotifyAlertChanged, this));
+    m_handler_banned_list_changed = m_node.handleBannedListChanged(std::bind(BannedListChanged, this));
+    m_handler_notify_block_tip = m_node.handleNotifyBlockTip(std::bind(BlockTipChanged, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, false));
+    m_handler_notify_header_tip = m_node.handleNotifyHeaderTip(std::bind(BlockTipChanged, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, true));
 }
 
 void ClientModel::unsubscribeFromCoreSignals()

src/qt/splashscreen.cpp

@@ -24,7 +24,6 @@
 #include <QPainter>
 #include <QRadialGradient>
 
-#include <boost/bind.hpp>
 
 SplashScreen::SplashScreen(interfaces::Node& node, Qt::WindowFlags f, const NetworkStyle *networkStyle) :
     QWidget(0, f), curAlignment(0), m_node(node)
@@ -180,16 +179,16 @@ static void ShowProgress(SplashScreen *splash, const std::string &title, int nPr
 #ifdef ENABLE_WALLET
 void SplashScreen::ConnectWallet(std::unique_ptr<interfaces::Wallet> wallet)
 {
-    m_connected_wallet_handlers.emplace_back(wallet->handleShowProgress(boost::bind(ShowProgress, this, _1, _2, false)));
+    m_connected_wallet_handlers.emplace_back(wallet->handleShowProgress(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2, false)));
     m_connected_wallets.emplace_back(std::move(wallet));
 }
 #endif
 
 void SplashScreen::subscribeToCoreSignals()
 {
     // Connect signals to client
-    m_handler_init_message = m_node.handleInitMessage(boost::bind(InitMessage, this, _1));
-    m_handler_show_progress = m_node.handleShowProgress(boost::bind(ShowProgress, this, _1, _2, _3));
+    m_handler_init_message = m_node.handleInitMessage(std::bind(InitMessage, this, std::placeholders::_1));
+    m_handler_show_progress = m_node.handleShowProgress(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 #ifdef ENABLE_WALLET
     m_handler_load_wallet = m_node.handleLoadWallet([this](std::unique_ptr<interfaces::Wallet> wallet) { ConnectWallet(std::move(wallet)); });
 #endif

src/qt/transactiontablemodel.cpp

@@ -27,7 +27,6 @@
 #include <QIcon>
 #include <QList>
 
-#include <boost/bind.hpp>
 
 // Amount column is right-aligned it contains numbers
 static int column_alignments[] = {
@@ -746,8 +745,8 @@ static void ShowProgress(TransactionTableModel *ttm, const std::string &title, i
 void TransactionTableModel::subscribeToCoreSignals()
 {
     // Connect signals to wallet
-    m_handler_transaction_changed = walletModel->wallet().handleTransactionChanged(boost::bind(NotifyTransactionChanged, this, _1, _2));
-    m_handler_show_progress = walletModel->wallet().handleShowProgress(boost::bind(ShowProgress, this, _1, _2));
+    m_handler_transaction_changed = walletModel->wallet().handleTransactionChanged(std::bind(NotifyTransactionChanged, this, std::placeholders::_1, std::placeholders::_2));
+    m_handler_show_progress = walletModel->wallet().handleShowProgress(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2));
 }
 
 void TransactionTableModel::unsubscribeFromCoreSignals()

src/qt/walletmodel.cpp

@@ -417,12 +417,12 @@ static void NotifyWatchonlyChanged(WalletModel *walletmodel, bool fHaveWatchonly
 void WalletModel::subscribeToCoreSignals()
 {
     // Connect signals to wallet
-    m_handler_unload = m_wallet->handleUnload(boost::bind(&NotifyUnload, this));
-    m_handler_status_changed = m_wallet->handleStatusChanged(boost::bind(&NotifyKeyStoreStatusChanged, this));
-    m_handler_address_book_changed = m_wallet->handleAddressBookChanged(boost::bind(NotifyAddressBookChanged, this, _1, _2, _3, _4, _5));
-    m_handler_transaction_changed = m_wallet->handleTransactionChanged(boost::bind(NotifyTransactionChanged, this, _1, _2));
-    m_handler_show_progress = m_wallet->handleShowProgress(boost::bind(ShowProgress, this, _1, _2));
-    m_handler_watch_only_changed = m_wallet->handleWatchOnlyChanged(boost::bind(NotifyWatchonlyChanged, this, _1));
+    m_handler_unload = m_wallet->handleUnload(std::bind(&NotifyUnload, this));
+    m_handler_status_changed = m_wallet->handleStatusChanged(std::bind(&NotifyKeyStoreStatusChanged, this));
+    m_handler_address_book_changed = m_wallet->handleAddressBookChanged(std::bind(NotifyAddressBookChanged, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, std::placeholders::_5));
+    m_handler_transaction_changed = m_wallet->handleTransactionChanged(std::bind(NotifyTransactionChanged, this, std::placeholders::_1, std::placeholders::_2));
+    m_handler_show_progress = m_wallet->handleShowProgress(std::bind(ShowProgress, this, std::placeholders::_1, std::placeholders::_2));
+    m_handler_watch_only_changed = m_wallet->handleWatchOnlyChanged(std::bind(NotifyWatchonlyChanged, this, std::placeholders::_1));
 }
 
 void WalletModel::unsubscribeFromCoreSignals()

src/rpc/server.cpp

@@ -14,7 +14,6 @@
 #include <util.h>
 #include <utilstrencodings.h>
 
-#include <boost/bind.hpp>
 #include <boost/signals2/signal.hpp>
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/split.hpp>

src/scheduler.cpp

@@ -8,7 +8,6 @@
 #include <reverselock.h>
 
 #include <assert.h>
-#include <boost/bind.hpp>
 #include <utility>
 
 CScheduler::CScheduler() : nThreadsServicingQueue(0), stopRequested(false), stopWhenEmpty(false)
@@ -120,12 +119,12 @@ void CScheduler::scheduleFromNow(CScheduler::Function f, int64_t deltaMilliSecon
 static void Repeat(CScheduler* s, CScheduler::Function f, int64_t deltaMilliSeconds)
 {
     f();
-    s->scheduleFromNow(boost::bind(&Repeat, s, f, deltaMilliSeconds), deltaMilliSeconds);
+    s->scheduleFromNow(std::bind(&Repeat, s, f, deltaMilliSeconds), deltaMilliSeconds);
 }
 
 void CScheduler::scheduleEvery(CScheduler::Function f, int64_t deltaMilliSeconds)
 {
-    scheduleFromNow(boost::bind(&Repeat, this, f, deltaMilliSeconds), deltaMilliSeconds);
+    scheduleFromNow(std::bind(&Repeat, this, f, deltaMilliSeconds), deltaMilliSeconds);
 }
 
 size_t CScheduler::getQueueInfo(boost::chrono::system_clock::time_point &first,

src/scheduler.h

@@ -25,7 +25,7 @@
 // CScheduler* s = new CScheduler();
 // s->scheduleFromNow(doSomething, 11); // Assuming a: void doSomething() { }
 // s->scheduleFromNow(std::bind(Class::func, this, argument), 3);
-// boost::thread* t = new boost::thread(boost::bind(CScheduler::serviceQueue, s));
+// boost::thread* t = new boost::thread(std::bind(CScheduler::serviceQueue, s));
 //
 // ... then at program shutdown, clean up the thread running serviceQueue:
 // t->interrupt();

src/test/scheduler_tests.cpp

@@ -7,7 +7,6 @@
 
 #include <test/test_bitcoin.h>
 
-#include <boost/bind.hpp>
 #include <boost/thread.hpp>
 #include <boost/test/unit_test.hpp>
 
@@ -21,7 +20,7 @@ static void microTask(CScheduler& s, boost::mutex& mutex, int& counter, int delt
     }
     boost::chrono::system_clock::time_point noTime = boost::chrono::system_clock::time_point::min();
     if (rescheduleTime != noTime) {
-        CScheduler::Function f = boost::bind(&microTask, boost::ref(s), boost::ref(mutex), boost::ref(counter), -delta + 1, noTime);
+        CScheduler::Function f = std::bind(&microTask, std::ref(s), std::ref(mutex), std::ref(counter), -delta + 1, noTime);
         s.schedule(f, rescheduleTime);
     }
 }
@@ -69,8 +68,8 @@ BOOST_AUTO_TEST_CASE(manythreads)
         boost::chrono::system_clock::time_point t = now + boost::chrono::microseconds(randomMsec(rng));
         boost::chrono::system_clock::time_point tReschedule = now + boost::chrono::microseconds(500 + randomMsec(rng));
         int whichCounter = zeroToNine(rng);
-        CScheduler::Function f = boost::bind(&microTask, boost::ref(microTasks),
-                                             boost::ref(counterMutex[whichCounter]), boost::ref(counter[whichCounter]),
+        CScheduler::Function f = std::bind(&microTask, std::ref(microTasks),
+                                             std::ref(counterMutex[whichCounter]), std::ref(counter[whichCounter]),
                                              randomDelta(rng), tReschedule);
         microTasks.schedule(f, t);
     }
@@ -82,20 +81,20 @@ BOOST_AUTO_TEST_CASE(manythreads)
     // As soon as these are created they will start running and servicing the queue
     boost::thread_group microThreads;
     for (int i = 0; i < 5; i++)
-        microThreads.create_thread(boost::bind(&CScheduler::serviceQueue, &microTasks));
+        microThreads.create_thread(std::bind(&CScheduler::serviceQueue, &microTasks));
 
     MicroSleep(600);
     now = boost::chrono::system_clock::now();
 
     // More threads and more tasks:
     for (int i = 0; i < 5; i++)
-        microThreads.create_thread(boost::bind(&CScheduler::serviceQueue, &microTasks));
+        microThreads.create_thread(std::bind(&CScheduler::serviceQueue, &microTasks));
     for (int i = 0; i < 100; i++) {
         boost::chrono::system_clock::time_point t = now + boost::chrono::microseconds(randomMsec(rng));
         boost::chrono::system_clock::time_point tReschedule = now + boost::chrono::microseconds(500 + randomMsec(rng));
         int whichCounter = zeroToNine(rng);
-        CScheduler::Function f = boost::bind(&microTask, boost::ref(microTasks),
-                                             boost::ref(counterMutex[whichCounter]), boost::ref(counter[whichCounter]),
+        CScheduler::Function f = std::bind(&microTask, std::ref(microTasks),
+                                             std::ref(counterMutex[whichCounter]), std::ref(counter[whichCounter]),
                                              randomDelta(rng), tReschedule);
         microTasks.schedule(f, t);
     }
@@ -126,7 +125,7 @@ BOOST_AUTO_TEST_CASE(singlethreadedscheduler_ordered)
     // if they don't we'll get out of order behaviour
     boost::thread_group threads;
     for (int i = 0; i < 5; ++i) {
-        threads.create_thread(boost::bind(&CScheduler::serviceQueue, &scheduler));
+        threads.create_thread(std::bind(&CScheduler::serviceQueue, &scheduler));
     }
 
     // these are not atomic, if SinglethreadedSchedulerClient prevents

src/test/test_bitcoin.cpp

@@ -92,7 +92,7 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha
 
         // We have to run a scheduler thread to prevent ActivateBestChain
         // from blocking due to queue overrun.
-        threadGroup.create_thread(boost::bind(&CScheduler::serviceQueue, &scheduler));
+        threadGroup.create_thread(std::bind(&CScheduler::serviceQueue, &scheduler));
         GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
 
         mempool.setSanityCheck(1.0);

src/test/transaction_tests.cpp

@@ -467,7 +467,7 @@ BOOST_AUTO_TEST_CASE(test_big_witness_transaction) {
     CCheckQueueControl<CScriptCheck> control(&scriptcheckqueue);
 
     for (int i=0; i<20; i++)
-        threadGroup.create_thread(boost::bind(&CCheckQueue<CScriptCheck>::Thread, boost::ref(scriptcheckqueue)));
+        threadGroup.create_thread(std::bind(&CCheckQueue<CScriptCheck>::Thread, std::ref(scriptcheckqueue)));
 
     std::vector<Coin> coins;
     for(uint32_t i = 0; i < mtx.vin.size(); i++) {