backport: bitcoin#21178, #22089, #22130, #22210, #22216, bitcoin-core/gui#361, partial: bitcoin#14123

src/bitcoind.cpp

@@ -117,8 +117,8 @@ static bool AppInit(NodeContext& node, int argc, char* argv[])
     util::ThreadSetInternalName("init");
 
     // If Qt is used, parameters/dash.conf are parsed in qt/bitcoin.cpp's main()
-    SetupServerArgs(node);
     ArgsManager& args = *Assert(node.args);
+    SetupServerArgs(args);
     std::string error;
     if (!args.ParseParameters(argc, argv, error)) {
         return InitError(Untranslated(strprintf("Error parsing command line arguments: %s\n", error)));

src/init.cpp

@@ -484,12 +484,8 @@ std::string GetSupportedSocketEventsStr()
     return strSupportedModes;
 }
 
-void SetupServerArgs(NodeContext& node)
+void SetupServerArgs(ArgsManager& argsman)
 {
-    assert(!node.args);
-    node.args = &gArgs;
-    ArgsManager& argsman = *node.args;
-
     SetupHelpOptions(argsman);
     argsman.AddArg("-help-debug", "Print help message with debugging options and exit", ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
 

src/init.h

@@ -68,7 +68,7 @@ void PrepareShutdown(NodeContext& node);
 /**
  * Register all arguments with the ArgsManager
  */
-void SetupServerArgs(NodeContext& node);
+void SetupServerArgs(ArgsManager& argsman);
 
 /** Returns licensing information (for -version) */
 std::string LicenseInfo();

src/init/bitcoin-node.cpp

@@ -6,6 +6,7 @@
 #include <interfaces/init.h>
 #include <interfaces/ipc.h>
 #include <node/context.h>
+#include <util/system.h>
 
 #include <memory>
 
@@ -20,6 +21,7 @@ class BitcoinNodeInit : public interfaces::Init
         : m_node(node),
           m_ipc(interfaces::MakeIpc(EXE_NAME, arg0, *this))
     {
+        m_node.args = &gArgs;
         m_node.init = this;
     }
     std::unique_ptr<interfaces::Echo> makeEcho() override { return interfaces::MakeEcho(); }

src/init/bitcoind.cpp

@@ -4,6 +4,7 @@
 
 #include <interfaces/init.h>
 #include <node/context.h>
+#include <util/system.h>
 
 #include <memory>
 
@@ -14,6 +15,7 @@ class BitcoindInit : public interfaces::Init
 public:
     BitcoindInit(NodeContext& node) : m_node(node)
     {
+        m_node.args = &gArgs;
         m_node.init = this;
     }
     NodeContext& m_node;

src/qt/bitcoin.cpp

@@ -581,7 +581,8 @@ int GuiMain(int argc, char* argv[])
 
     /// 2. Parse command-line options. We do this after qt in order to show an error if there are problems parsing these
     // Command-line options take precedence:
-    SetupServerArgs(node_context);
+    node_context.args = &gArgs;
+    SetupServerArgs(gArgs);
     SetupUIArgs(gArgs);
     std::string error;
     if (!gArgs.ParseParameters(argc, argv, error)) {

src/qt/bitcoingui.cpp

@@ -369,9 +369,9 @@ void BitcoinGUI::createActions()
 #ifdef ENABLE_WALLET
     // These showNormalIfMinimized are needed because Send Coins and Receive Coins
     // can be triggered from the tray menu, and need to show the GUI to be useful.
-    connect(sendCoinsMenuAction, &QAction::triggered, this, static_cast<void (BitcoinGUI::*)()>(&BitcoinGUI::showNormalIfMinimized));
-    connect(coinJoinCoinsMenuAction, &QAction::triggered, this, static_cast<void (BitcoinGUI::*)()>(&BitcoinGUI::showNormalIfMinimized));
-    connect(receiveCoinsMenuAction, &QAction::triggered, this, static_cast<void (BitcoinGUI::*)()>(&BitcoinGUI::showNormalIfMinimized));
+    connect(sendCoinsMenuAction, &QAction::triggered, [this]{ showNormalIfMinimized(); });
+    connect(coinJoinCoinsMenuAction, &QAction::triggered, [this]{ showNormalIfMinimized(); });
+    connect(receiveCoinsMenuAction, &QAction::triggered, [this]{ showNormalIfMinimized(); });
     connect(sendCoinsMenuAction, &QAction::triggered, [this]{ gotoSendCoinsPage(); });
     connect(coinJoinCoinsMenuAction, &QAction::triggered, [this]{ gotoCoinJoinCoinsPage(); });
     connect(receiveCoinsMenuAction, &QAction::triggered, this, &BitcoinGUI::gotoReceiveCoinsPage);
@@ -506,11 +506,11 @@ void BitcoinGUI::createActions()
         connect(changePassphraseAction, &QAction::triggered, walletFrame, &WalletFrame::changePassphrase);
         connect(unlockWalletAction, &QAction::triggered, walletFrame, &WalletFrame::unlockWallet);
         connect(lockWalletAction, &QAction::triggered, walletFrame, &WalletFrame::lockWallet);
-        connect(signMessageAction, &QAction::triggered, this, static_cast<void (BitcoinGUI::*)()>(&BitcoinGUI::showNormalIfMinimized));
+        connect(signMessageAction, &QAction::triggered, [this]{ showNormalIfMinimized(); });
         connect(signMessageAction, &QAction::triggered, [this]{ gotoSignMessageTab(); });
         connect(m_load_psbt_action, &QAction::triggered, [this]{ gotoLoadPSBT(); });
         connect(m_load_psbt_clipboard_action, &QAction::triggered, [this]{ gotoLoadPSBT(true); });
-        connect(verifyMessageAction, &QAction::triggered, this, static_cast<void (BitcoinGUI::*)()>(&BitcoinGUI::showNormalIfMinimized));
+        connect(verifyMessageAction, &QAction::triggered, [this]{ showNormalIfMinimized(); });
         connect(verifyMessageAction, &QAction::triggered, [this]{ gotoVerifyMessageTab(); });
         connect(usedSendingAddressesAction, &QAction::triggered, walletFrame, &WalletFrame::usedSendingAddresses);
         connect(usedReceivingAddressesAction, &QAction::triggered, walletFrame, &WalletFrame::usedReceivingAddresses);
@@ -730,7 +730,7 @@ void BitcoinGUI::createToolBars()
         connect(historyButton, &QToolButton::clicked, this, &BitcoinGUI::gotoHistoryPage);
 
         // Give the selected tab button a bolder font.
-        connect(tabGroup, static_cast<void (QButtonGroup::*)(QAbstractButton *, bool)>(&QButtonGroup::buttonToggled), this, &BitcoinGUI::highlightTabButton);
+        connect(tabGroup, qOverload<QAbstractButton *, bool>(&QButtonGroup::buttonToggled), this, &BitcoinGUI::highlightTabButton);
 
         for (auto button : tabGroup->buttons()) {
             GUIUtil::setFont({button}, GUIUtil::FontWeight::Normal, 16);
@@ -799,7 +799,7 @@ void BitcoinGUI::setClientModel(ClientModel *_clientModel, interfaces::BlockAndH
             // Note: ignore this on Mac - this is not the way tray should work there
             connect(trayIcon, &QSystemTrayIcon::activated, this, &BitcoinGUI::trayIconActivated);
 #else
-            // Note: On Mac, the dock icon is also used to provide menu functionality
+            // Note: on macOS, the Dock icon is also used to provide menu functionality
             // similar to one for tray icon
             MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
             connect(dockIconHandler, &MacDockIconHandler::dockIconClicked, this, &BitcoinGUI::macosDockIconActivated);
@@ -1019,7 +1019,7 @@ void BitcoinGUI::createIconMenu(QMenu *pmenu)
 {
     // Configuration of the tray icon (or dock icon) icon menu
 #ifndef Q_OS_MAC
-    // Note: On Mac, the dock icon's menu already has show / hide action.
+    // Note: On macOS, the Dock icon is used to provide the tray's functionality.
     trayIconMenu->addAction(toggleHideAction);
     trayIconMenu->addSeparator();
 #endif
@@ -1045,7 +1045,7 @@ void BitcoinGUI::createIconMenu(QMenu *pmenu)
     if (enableWallet) {
         pmenu->addAction(showBackupsAction);
     }
-#ifndef Q_OS_MAC // This is built-in on Mac
+#ifndef Q_OS_MAC // This is built-in on macOS
     pmenu->addSeparator();
     pmenu->addAction(quitAction);
 #endif
@@ -1617,7 +1617,7 @@ void BitcoinGUI::message(const QString& title, QString message, unsigned int sty
 void BitcoinGUI::changeEvent(QEvent *e)
 {
     QMainWindow::changeEvent(e);
-#ifndef Q_OS_MAC // Ignored on Mac
+#ifndef Q_OS_MAC // Ignored on macOS
     if(e->type() == QEvent::WindowStateChange)
     {
         if(clientModel && clientModel->getOptionsModel() && clientModel->getOptionsModel()->getMinimizeToTray())
@@ -1649,7 +1649,7 @@ void BitcoinGUI::changeEvent(QEvent *e)
 
 void BitcoinGUI::closeEvent(QCloseEvent *event)
 {
-#ifndef Q_OS_MAC // Ignored on Mac
+#ifndef Q_OS_MAC // Ignored on macOS
     if(clientModel && clientModel->getOptionsModel())
     {
         if(!clientModel->getOptionsModel()->getMinimizeOnClose())

src/test/util/setup_common.cpp

@@ -139,6 +139,7 @@ BasicTestingSetup::BasicTestingSetup(const std::string& chainName, const std::ve
     : m_path_root{fs::temp_directory_path() / "test_common_" PACKAGE_NAME / g_insecure_rand_ctx_temp_path.rand256().ToString()},
       m_args{}
 {
+    m_node.args = &gArgs;
     const std::vector<const char*> arguments = Cat(
         {
             "dummy",
@@ -157,7 +158,7 @@ BasicTestingSetup::BasicTestingSetup(const std::string& chainName, const std::ve
     gArgs.ForceSetArg("-datadir", fs::PathToString(m_path_root));
     gArgs.ClearPathCache();
     {
-        SetupServerArgs(m_node);
+        SetupServerArgs(*m_node.args);
         std::string error;
         const bool success{m_node.args->ParseParameters(arguments.size(), arguments.data(), error)};
         assert(success);

test/functional/mempool_package_onemore.py

@@ -11,7 +11,11 @@
 
 from test_framework.blocktools import COINBASE_MATURITY
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import assert_equal, assert_raises_rpc_error, satoshi_round
+from test_framework.util import (
+    assert_equal,
+    assert_raises_rpc_error,
+    chain_transaction,
+)
 
 MAX_ANCESTORS = 25
 MAX_DESCENDANTS = 25
@@ -24,23 +28,6 @@ def set_test_params(self):
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()
 
-    # Build a transaction that spends parent_txid:vout
-    # Return amount sent
-    def chain_transaction(self, node, parent_txids, vouts, value, fee, num_outputs):
-        send_value = satoshi_round((value - fee)/num_outputs)
-        inputs = []
-        for (txid, vout) in zip(parent_txids, vouts):
-            inputs.append({'txid' : txid, 'vout' : vout})
-        outputs = {}
-        for _ in range(num_outputs):
-            outputs[node.getnewaddress()] = send_value
-        rawtx = node.createrawtransaction(inputs, outputs)
-        signedtx = node.signrawtransactionwithwallet(rawtx)
-        txid = node.sendrawtransaction(signedtx['hex'])
-        fulltx = node.getrawtransaction(txid, 1)
-        assert len(fulltx['vout']) == num_outputs  # make sure we didn't generate a change output
-        return (txid, send_value)
-
     def run_test(self):
         # Mine some blocks and have them mature.
         self.nodes[0].generate(COINBASE_MATURITY + 1)
@@ -53,32 +40,32 @@ def run_test(self):
         # MAX_ANCESTORS transactions off a confirmed tx should be fine
         chain = []
         for _ in range(4):
-            (txid, sent_value) = self.chain_transaction(self.nodes[0], [txid], [vout], value, fee, 2)
+            (txid, sent_value) = chain_transaction(self.nodes[0], [txid], [vout], value, fee, 2)
             vout = 0
             value = sent_value
             chain.append([txid, value])
         for _ in range(MAX_ANCESTORS - 4):
-            (txid, sent_value) = self.chain_transaction(self.nodes[0], [txid], [0], value, fee, 1)
+            (txid, sent_value) = chain_transaction(self.nodes[0], [txid], [0], value, fee, 1)
             value = sent_value
             chain.append([txid, value])
-        (second_chain, second_chain_value) = self.chain_transaction(self.nodes[0], [utxo[1]['txid']], [utxo[1]['vout']], utxo[1]['amount'], fee, 1)
+        (second_chain, second_chain_value) = chain_transaction(self.nodes[0], [utxo[1]['txid']], [utxo[1]['vout']], utxo[1]['amount'], fee, 1)
 
         # Check mempool has MAX_ANCESTORS + 1 transactions in it
         assert_equal(len(self.nodes[0].getrawmempool(True)), MAX_ANCESTORS + 1)
 
         # Adding one more transaction on to the chain should fail.
-        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many unconfirmed ancestors [limit: 25]", self.chain_transaction, self.nodes[0], [txid], [0], value, fee, 1)
+        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many unconfirmed ancestors [limit: 25]", chain_transaction, self.nodes[0], [txid], [0], value, fee, 1)
         # ...even if it chains on from some point in the middle of the chain.
-        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_transaction, self.nodes[0], [chain[2][0]], [1], chain[2][1], fee, 1)
-        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_transaction, self.nodes[0], [chain[1][0]], [1], chain[1][1], fee, 1)
+        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[2][0]], [1], chain[2][1], fee, 1)
+        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[1][0]], [1], chain[1][1], fee, 1)
         # ...even if it chains on to two parent transactions with one in the chain.
-        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_transaction, self.nodes[0], [chain[0][0], second_chain], [1, 0], chain[0][1] + second_chain_value, fee, 1)
+        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[0][0], second_chain], [1, 0], chain[0][1] + second_chain_value, fee, 1)
         # ...especially if its > 40k weight
-        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", self.chain_transaction, self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 350)
+        assert_raises_rpc_error(-26, "too-long-mempool-chain, too many descendants", chain_transaction, self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 350)
         # But not if it chains directly off the first transaction
-        self.chain_transaction(self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 1)
+        chain_transaction(self.nodes[0], [chain[0][0]], [1], chain[0][1], fee, 1)
         # and the second chain should work just fine
-        self.chain_transaction(self.nodes[0], [second_chain], [0], second_chain_value, fee, 1)
+        chain_transaction(self.nodes[0], [second_chain], [0], second_chain_value, fee, 1)
 
         # Finally, check that we added two transactions
         assert_equal(len(self.nodes[0].getrawmempool(True)), MAX_ANCESTORS + 3)

test/functional/mempool_packages.py

@@ -13,6 +13,7 @@
 from test_framework.util import (
     assert_equal,
     assert_raises_rpc_error,
+    chain_transaction,
     satoshi_round,
 )
 
@@ -42,21 +43,6 @@ def set_test_params(self):
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()
 
-    # Build a transaction that spends parent_txid:vout
-    # Return amount sent
-    def chain_transaction(self, node, parent_txid, vout, value, fee, num_outputs):
-        send_value = satoshi_round((value - fee)/num_outputs)
-        inputs = [ {'txid' : parent_txid, 'vout' : vout} ]
-        outputs = {}
-        for _ in range(num_outputs):
-            outputs[node.getnewaddress()] = send_value
-        rawtx = node.createrawtransaction(inputs, outputs)
-        signedtx = node.signrawtransactionwithwallet(rawtx)
-        txid = node.sendrawtransaction(signedtx['hex'])
-        fulltx = node.getrawtransaction(txid, 1)
-        assert len(fulltx['vout']) == num_outputs  # make sure we didn't generate a change output
-        return (txid, send_value)
-
     def run_test(self):
         # Mine some blocks and have them mature.
         peer_inv_store = self.nodes[0].add_p2p_connection(P2PTxInvStore()) # keep track of invs
@@ -70,7 +56,7 @@ def run_test(self):
         # MAX_ANCESTORS transactions off a confirmed tx should be fine
         chain = []
         for _ in range(MAX_ANCESTORS):
-            (txid, sent_value) = self.chain_transaction(self.nodes[0], txid, 0, value, fee, 1)
+            (txid, sent_value) = chain_transaction(self.nodes[0], [txid], [0], value, fee, 1)
             value = sent_value
             chain.append(txid)
 
@@ -184,7 +170,7 @@ def run_test(self):
             assert_equal(mempool[x]['descendantfees'], descendant_fees * COIN + 1000)
 
         # Adding one more transaction on to the chain should fail.
-        assert_raises_rpc_error(-26, "too-long-mempool-chain", self.chain_transaction, self.nodes[0], txid, vout, value, fee, 1)
+        assert_raises_rpc_error(-26, "too-long-mempool-chain", chain_transaction, self.nodes[0], [txid], [vout], value, fee, 1)
 
         # Check that prioritising a tx before it's added to the mempool works
         # First clear the mempool by mining a block.
@@ -233,7 +219,7 @@ def run_test(self):
         transaction_package = []
         tx_children = []
         # First create one parent tx with 10 children
-        (txid, sent_value) = self.chain_transaction(self.nodes[0], txid, vout, value, fee, 10)
+        (txid, sent_value) = chain_transaction(self.nodes[0], [txid], [vout], value, fee, 10)
         parent_transaction = txid
         for i in range(10):
             transaction_package.append({'txid': txid, 'vout': i, 'amount': sent_value})
@@ -242,7 +228,7 @@ def run_test(self):
         chain = [] # save sent txs for the purpose of checking node1's mempool later (see below)
         for _ in range(MAX_DESCENDANTS - 1):
             utxo = transaction_package.pop(0)
-            (txid, sent_value) = self.chain_transaction(self.nodes[0], utxo['txid'], utxo['vout'], utxo['amount'], fee, 10)
+            (txid, sent_value) = chain_transaction(self.nodes[0], [utxo['txid']], [utxo['vout']], utxo['amount'], fee, 10)
             chain.append(txid)
             if utxo['txid'] is parent_transaction:
                 tx_children.append(txid)
@@ -258,7 +244,7 @@ def run_test(self):
 
         # Sending one more chained transaction will fail
         utxo = transaction_package.pop(0)
-        assert_raises_rpc_error(-26, "too-long-mempool-chain", self.chain_transaction, self.nodes[0], utxo['txid'], utxo['vout'], utxo['amount'], fee, 10)
+        assert_raises_rpc_error(-26, "too-long-mempool-chain", chain_transaction, self.nodes[0], [utxo['txid']], [utxo['vout']], utxo['amount'], fee, 10)
 
         # Check that node1's mempool is as expected, containing:
         # - txs from previous ancestor test (-> custom ancestor limit)
@@ -316,13 +302,13 @@ def run_test(self):
         value = send_value
 
         # Create tx1
-        tx1_id, _ = self.chain_transaction(self.nodes[0], tx0_id, 0, value, fee, 1)
+        tx1_id, _ = chain_transaction(self.nodes[0], [tx0_id], [0], value, fee, 1)
 
         # Create tx2-7
         vout = 1
         txid = tx0_id
         for _ in range(6):
-            (txid, sent_value) = self.chain_transaction(self.nodes[0], txid, vout, value, fee, 1)
+            (txid, sent_value) = chain_transaction(self.nodes[0], [txid], [vout], value, fee, 1)
             vout = 0
             value = sent_value