Merge #17513: refactor, qt: Nuke some circular dependencies

5f50599ae7077ae9b9b56edb8892387b6ddc460a refactor: Cleanup headers from walletmodel.h (Hennadii Stepanov)
a53e9895db7617c879858ca27e38e6aaf35f6075 refactor: Nuke walletmodel circular dependency (Hennadii Stepanov)
49c4211c0435e3b27c8107a332de22e9cad84390 refactor: Nuke walletmodeltransaction circular dep (Hennadii Stepanov)
567cb44eb95785c8df93a3844207d17f4c390372 refactor: Nuke guiutil circular dependency (Hennadii Stepanov)
73b5505cfe0a8583718c708f7a99762c29d81274 refactor: Move SendCoinsRecipient in own header (Hennadii Stepanov)

Pull request description:

  This PR gets rid of the following circular dependencies:
  - `qt/guiutil` -> `qt/walletmodel` -> `qt/optionsmodel` -> `qt/guiutil`
  - `qt/walletmodel` -> `qt/walletmodeltransaction` -> `qt/walletmodel`
  - `qt/paymentserver` -> `qt/walletmodel` -> `qt/paymentserver`

ACKs for top commit:
  Sjors:
    ACK 5f50599ae7077ae9b9b56edb8892387b6ddc460a
  instagibbs:
    code review ACK 5f50599ae7077ae9b9b56edb8892387b6ddc460a
  practicalswift:
    ACK 5f50599ae7077ae9b9b56edb8892387b6ddc460a -- diff looks correct
  promag:
    ACK 5f50599ae7077ae9b9b56edb8892387b6ddc460a.

Tree-SHA512: 070686ac82b5c68c3ef1b8b4c16b4b916b84d80d1e92e42287fdd9454671bea54779c0d2db4db623750aaaf180beaba212137190d6a427113905e2c4be5c60c5

17 files changed, 109 insertions, 73 deletions

diff --git a/src/Makefile.qt.include b/src/Makefile.qt.include
index 93e60ff832..cf09eee2cb 100644
--- a/src/Makefile.qt.include
+++ b/src/Makefile.qt.include
@@ -136,6 +136,7 @@ BITCOIN_QT_H = \
   qt/rpcconsole.h \
   qt/sendcoinsdialog.h \
   qt/sendcoinsentry.h \
+  qt/sendcoinsrecipient.h \
   qt/signverifymessagedialog.h \
   qt/splashscreen.h \
   qt/trafficgraphwidget.h \
diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index c4e0321f28..31e62ab63d 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -7,7 +7,7 @@
 #include <qt/bitcoinaddressvalidator.h>
 #include <qt/bitcoinunits.h>
 #include <qt/qvalidatedlineedit.h>
-#include <qt/walletmodel.h>
+#include <qt/sendcoinsrecipient.h>
 
 #include <base58.h>
 #include <chainparams.h>
diff --git a/src/qt/openuridialog.cpp b/src/qt/openuridialog.cpp
index 199804f84d..6a0143ac7e 100644
--- a/src/qt/openuridialog.cpp
+++ b/src/qt/openuridialog.cpp
@@ -6,7 +6,7 @@
 #include <qt/forms/ui_openuridialog.h>
 
 #include <qt/guiutil.h>
-#include <qt/walletmodel.h>
+#include <qt/sendcoinsrecipient.h>
 
 #include <QUrl>
 
diff --git a/src/qt/paymentserver.h b/src/qt/paymentserver.h
index 8b2533508d..6d4ce4a7e4 100644
--- a/src/qt/paymentserver.h
+++ b/src/qt/paymentserver.h
@@ -36,13 +36,17 @@
 #include <config/bitcoin-config.h>
 #endif
 
-#include <qt/walletmodel.h>
+#include <qt/sendcoinsrecipient.h>
 
 #include <QObject>
 #include <QString>
 
 class OptionsModel;
 
+namespace interfaces {
+class Node;
+} // namespace interfaces
+
 QT_BEGIN_NAMESPACE
 class QApplication;
 class QByteArray;
diff --git a/src/qt/receiverequestdialog.cpp b/src/qt/receiverequestdialog.cpp
index e492502002..2674c9b953 100644
--- a/src/qt/receiverequestdialog.cpp
+++ b/src/qt/receiverequestdialog.cpp
@@ -8,6 +8,7 @@
 #include <qt/bitcoinunits.h>
 #include <qt/guiutil.h>
 #include <qt/optionsmodel.h>
+#include <qt/walletmodel.h>
 
 #include <QClipboard>
 #include <QPixmap>
diff --git a/src/qt/receiverequestdialog.h b/src/qt/receiverequestdialog.h
index a6e1a2af16..1bb43ce6d1 100644
--- a/src/qt/receiverequestdialog.h
+++ b/src/qt/receiverequestdialog.h
@@ -5,10 +5,12 @@
 #ifndef BITCOIN_QT_RECEIVEREQUESTDIALOG_H
 #define BITCOIN_QT_RECEIVEREQUESTDIALOG_H
 
-#include <qt/walletmodel.h>
+#include <qt/sendcoinsrecipient.h>
 
 #include <QDialog>
 
+class WalletModel;
+
 namespace Ui {
     class ReceiveRequestDialog;
 }
diff --git a/src/qt/recentrequeststablemodel.cpp b/src/qt/recentrequeststablemodel.cpp
index 1611ec823c..6d933f46d6 100644
--- a/src/qt/recentrequeststablemodel.cpp
+++ b/src/qt/recentrequeststablemodel.cpp
@@ -7,6 +7,7 @@
 #include <qt/bitcoinunits.h>
 #include <qt/guiutil.h>
 #include <qt/optionsmodel.h>
+#include <qt/walletmodel.h>
 
 #include <clientversion.h>
 #include <streams.h>
diff --git a/src/qt/recentrequeststablemodel.h b/src/qt/recentrequeststablemodel.h
index 130b709d46..30578b7a03 100644
--- a/src/qt/recentrequeststablemodel.h
+++ b/src/qt/recentrequeststablemodel.h
@@ -5,12 +5,14 @@
 #ifndef BITCOIN_QT_RECENTREQUESTSTABLEMODEL_H
 #define BITCOIN_QT_RECENTREQUESTSTABLEMODEL_H
 
-#include <qt/walletmodel.h>
+#include <qt/sendcoinsrecipient.h>
 
 #include <QAbstractTableModel>
 #include <QStringList>
 #include <QDateTime>
 
+class WalletModel;
+
 class RecentRequestEntry
 {
 public:
diff --git a/src/qt/sendcoinsentry.cpp b/src/qt/sendcoinsentry.cpp
index be417655b4..ad37e09114 100644
--- a/src/qt/sendcoinsentry.cpp
+++ b/src/qt/sendcoinsentry.cpp
@@ -14,6 +14,7 @@
 #include <qt/guiutil.h>
 #include <qt/optionsmodel.h>
 #include <qt/platformstyle.h>
+#include <qt/walletmodel.h>
 
 #include <QApplication>
 #include <QClipboard>
diff --git a/src/qt/sendcoinsentry.h b/src/qt/sendcoinsentry.h
index 42e2217130..aa69d30f99 100644
--- a/src/qt/sendcoinsentry.h
+++ b/src/qt/sendcoinsentry.h
@@ -5,13 +5,17 @@
 #ifndef BITCOIN_QT_SENDCOINSENTRY_H
 #define BITCOIN_QT_SENDCOINSENTRY_H
 
-#include <qt/walletmodel.h>
+#include <qt/sendcoinsrecipient.h>
 
 #include <QStackedWidget>
 
 class WalletModel;
 class PlatformStyle;
 
+namespace interfaces {
+class Node;
+} // namespace interfaces
+
 namespace Ui {
     class SendCoinsEntry;
 }
diff --git a/src/qt/sendcoinsrecipient.h b/src/qt/sendcoinsrecipient.h
new file mode 100644
index 0000000000..12279fab64
--- /dev/null
+++ b/src/qt/sendcoinsrecipient.h
@@ -0,0 +1,74 @@
+// Copyright (c) 2011-2019 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_QT_SENDCOINSRECIPIENT_H
+#define BITCOIN_QT_SENDCOINSRECIPIENT_H
+
+#if defined(HAVE_CONFIG_H)
+#include <config/bitcoin-config.h>
+#endif
+
+#include <amount.h>
+#include <serialize.h>
+
+#include <string>
+
+#include <QString>
+
+class SendCoinsRecipient
+{
+public:
+    explicit SendCoinsRecipient() : amount(0), fSubtractFeeFromAmount(false), nVersion(SendCoinsRecipient::CURRENT_VERSION) { }
+    explicit SendCoinsRecipient(const QString &addr, const QString &_label, const CAmount& _amount, const QString &_message):
+        address(addr), label(_label), amount(_amount), message(_message), fSubtractFeeFromAmount(false), nVersion(SendCoinsRecipient::CURRENT_VERSION) {}
+
+    // If from an unauthenticated payment request, this is used for storing
+    // the addresses, e.g. address-A<br />address-B<br />address-C.
+    // Info: As we don't need to process addresses in here when using
+    // payment requests, we can abuse it for displaying an address list.
+    // Todo: This is a hack, should be replaced with a cleaner solution!
+    QString address;
+    QString label;
+    CAmount amount;
+    // If from a payment request, this is used for storing the memo
+    QString message;
+    // Keep the payment request around as a serialized string to ensure
+    // load/store is lossless.
+    std::string sPaymentRequest;
+    // Empty if no authentication or invalid signature/cert/etc.
+    QString authenticatedMerchant;
+
+    bool fSubtractFeeFromAmount; // memory only
+
+    static const int CURRENT_VERSION = 1;
+    int nVersion;
+
+    ADD_SERIALIZE_METHODS;
+
+    template <typename Stream, typename Operation>
+    inline void SerializationOp(Stream& s, Operation ser_action) {
+        std::string sAddress = address.toStdString();
+        std::string sLabel = label.toStdString();
+        std::string sMessage = message.toStdString();
+        std::string sAuthenticatedMerchant = authenticatedMerchant.toStdString();
+
+        READWRITE(this->nVersion);
+        READWRITE(sAddress);
+        READWRITE(sLabel);
+        READWRITE(amount);
+        READWRITE(sMessage);
+        READWRITE(sPaymentRequest);
+        READWRITE(sAuthenticatedMerchant);
+
+        if (ser_action.ForRead())
+        {
+            address = QString::fromStdString(sAddress);
+            label = QString::fromStdString(sLabel);
+            message = QString::fromStdString(sMessage);
+            authenticatedMerchant = QString::fromStdString(sAuthenticatedMerchant);
+        }
+    }
+};
+
+#endif // BITCOIN_QT_SENDCOINSRECIPIENT_H
diff --git a/src/qt/transactiondesc.cpp b/src/qt/transactiondesc.cpp
index 318b0756c7..9a93798aef 100644
--- a/src/qt/transactiondesc.cpp
+++ b/src/qt/transactiondesc.cpp
@@ -15,11 +15,12 @@
 
 #include <consensus/consensus.h>
 #include <interfaces/node.h>
+#include <interfaces/wallet.h>
 #include <key_io.h>
-#include <validation.h>
+#include <policy/policy.h>
 #include <script/script.h>
 #include <util/system.h>
-#include <policy/policy.h>
+#include <validation.h>
 #include <wallet/ismine.h>
 
 #include <stdint.h>
diff --git a/src/qt/walletcontroller.cpp b/src/qt/walletcontroller.cpp
index 4c253f8ddd..7413a1f09e 100644
--- a/src/qt/walletcontroller.cpp
+++ b/src/qt/walletcontroller.cpp
@@ -2,17 +2,18 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
+#include <qt/walletcontroller.h>
+
 #include <qt/askpassphrasedialog.h>
 #include <qt/createwalletdialog.h>
 #include <qt/guiconstants.h>
 #include <qt/guiutil.h>
-#include <qt/walletcontroller.h>
-
-#include <wallet/wallet.h>
+#include <qt/walletmodel.h>
 
 #include <interfaces/handler.h>
 #include <interfaces/node.h>
 #include <util/string.h>
+#include <wallet/wallet.h>
 
 #include <algorithm>
 
diff --git a/src/qt/walletcontroller.h b/src/qt/walletcontroller.h
index e50dd5c7eb..956245775e 100644
--- a/src/qt/walletcontroller.h
+++ b/src/qt/walletcontroller.h
@@ -5,7 +5,7 @@
 #ifndef BITCOIN_QT_WALLETCONTROLLER_H
 #define BITCOIN_QT_WALLETCONTROLLER_H
 
-#include <qt/walletmodel.h>
+#include <qt/sendcoinsrecipient.h>
 #include <support/allocators/secure.h>
 #include <sync.h>
 
@@ -23,10 +23,12 @@
 
 class OptionsModel;
 class PlatformStyle;
+class WalletModel;
 
 namespace interfaces {
 class Handler;
 class Node;
+class Wallet;
 } // namespace interfaces
 
 class AskPassphraseDialog;
diff --git a/src/qt/walletmodel.h b/src/qt/walletmodel.h
index a873519a34..8087356f5e 100644
--- a/src/qt/walletmodel.h
+++ b/src/qt/walletmodel.h
@@ -9,9 +9,7 @@
 #include <config/bitcoin-config.h>
 #endif
 
-#include <amount.h>
 #include <key.h>
-#include <serialize.h>
 #include <script/standard.h>
 
 #include <qt/walletmodeltransaction.h>
@@ -29,6 +27,7 @@ class AddressTableModel;
 class OptionsModel;
 class PlatformStyle;
 class RecentRequestsTableModel;
+class SendCoinsRecipient;
 class TransactionTableModel;
 class WalletModelTransaction;
 
@@ -47,61 +46,6 @@ QT_BEGIN_NAMESPACE
 class QTimer;
 QT_END_NAMESPACE
 
-class SendCoinsRecipient
-{
-public:
-    explicit SendCoinsRecipient() : amount(0), fSubtractFeeFromAmount(false), nVersion(SendCoinsRecipient::CURRENT_VERSION) { }
-    explicit SendCoinsRecipient(const QString &addr, const QString &_label, const CAmount& _amount, const QString &_message):
-        address(addr), label(_label), amount(_amount), message(_message), fSubtractFeeFromAmount(false), nVersion(SendCoinsRecipient::CURRENT_VERSION) {}
-
-    // If from an unauthenticated payment request, this is used for storing
-    // the addresses, e.g. address-A<br />address-B<br />address-C.
-    // Info: As we don't need to process addresses in here when using
-    // payment requests, we can abuse it for displaying an address list.
-    // Todo: This is a hack, should be replaced with a cleaner solution!
-    QString address;
-    QString label;
-    CAmount amount;
-    // If from a payment request, this is used for storing the memo
-    QString message;
-    // Keep the payment request around as a serialized string to ensure
-    // load/store is lossless.
-    std::string sPaymentRequest;
-    // Empty if no authentication or invalid signature/cert/etc.
-    QString authenticatedMerchant;
-
-    bool fSubtractFeeFromAmount; // memory only
-
-    static const int CURRENT_VERSION = 1;
-    int nVersion;
-
-    ADD_SERIALIZE_METHODS;
-
-    template <typename Stream, typename Operation>
-    inline void SerializationOp(Stream& s, Operation ser_action) {
-        std::string sAddress = address.toStdString();
-        std::string sLabel = label.toStdString();
-        std::string sMessage = message.toStdString();
-        std::string sAuthenticatedMerchant = authenticatedMerchant.toStdString();
-
-        READWRITE(this->nVersion);
-        READWRITE(sAddress);
-        READWRITE(sLabel);
-        READWRITE(amount);
-        READWRITE(sMessage);
-        READWRITE(sPaymentRequest);
-        READWRITE(sAuthenticatedMerchant);
-
-        if (ser_action.ForRead())
-        {
-            address = QString::fromStdString(sAddress);
-            label = QString::fromStdString(sLabel);
-            message = QString::fromStdString(sMessage);
-            authenticatedMerchant = QString::fromStdString(sAuthenticatedMerchant);
-        }
-    }
-};
-
 /** Interface to Bitcoin wallet from Qt view code. */
 class WalletModel : public QObject
 {
diff --git a/src/qt/walletmodeltransaction.h b/src/qt/walletmodeltransaction.h
index 242ba13897..9e5d285e8c 100644
--- a/src/qt/walletmodeltransaction.h
+++ b/src/qt/walletmodeltransaction.h
@@ -5,7 +5,8 @@
 #ifndef BITCOIN_QT_WALLETMODELTRANSACTION_H
 #define BITCOIN_QT_WALLETMODELTRANSACTION_H
 
-#include <qt/walletmodel.h>
+#include <primitives/transaction.h>
+#include <qt/sendcoinsrecipient.h>
 
 #include <amount.h>
 
diff --git a/test/lint/lint-circular-dependencies.sh b/test/lint/lint-circular-dependencies.sh
index ccd12b5823..8b320832f0 100755
--- a/test/lint/lint-circular-dependencies.sh
+++ b/test/lint/lint-circular-dependencies.sh
@@ -18,17 +18,14 @@ EXPECTED_CIRCULAR_DEPENDENCIES=(
     "qt/bitcoingui -> qt/walletframe -> qt/bitcoingui"
     "qt/bitcoingui -> qt/walletview -> qt/bitcoingui"
     "qt/clientmodel -> qt/peertablemodel -> qt/clientmodel"
-    "qt/paymentserver -> qt/walletmodel -> qt/paymentserver"
     "qt/recentrequeststablemodel -> qt/walletmodel -> qt/recentrequeststablemodel"
     "qt/sendcoinsdialog -> qt/walletmodel -> qt/sendcoinsdialog"
     "qt/transactiontablemodel -> qt/walletmodel -> qt/transactiontablemodel"
-    "qt/walletmodel -> qt/walletmodeltransaction -> qt/walletmodel"
     "txmempool -> validation -> txmempool"
     "wallet/coincontrol -> wallet/wallet -> wallet/coincontrol"
     "wallet/fees -> wallet/wallet -> wallet/fees"
     "wallet/wallet -> wallet/walletdb -> wallet/wallet"
     "policy/fees -> txmempool -> validation -> policy/fees"
-    "qt/guiutil -> qt/walletmodel -> qt/optionsmodel -> qt/guiutil"
     "txmempool -> validation -> validationinterface -> txmempool"
     "wallet/scriptpubkeyman -> wallet/wallet -> wallet/scriptpubkeyman"
 )