diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h
--- a/src/qt/bitcoingui.h
+++ b/src/qt/bitcoingui.h
@@ -140,6 +140,7 @@
QAction *usedReceivingAddressesAction = nullptr;
QAction *signMessageAction = nullptr;
QAction *verifyMessageAction = nullptr;
+ QAction *m_load_psbt_action = nullptr;
QAction *aboutAction = nullptr;
QAction *receiveCoinsAction = nullptr;
QAction *receiveCoinsMenuAction = nullptr;
@@ -282,6 +283,8 @@
void gotoSignMessageTab(QString addr = "");
/** Show Sign/Verify Message dialog and switch to verify message tab */
void gotoVerifyMessageTab(QString addr = "");
+ /** Show load Partially Signed Bitcoin Transaction dialog */
+ void gotoLoadPSBT();
/** Show open dialog */
void openClicked();
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -364,6 +364,9 @@
verifyMessageAction->setStatusTip(
tr("Verify messages to ensure they were signed with specified Bitcoin "
"addresses"));
+ m_load_psbt_action = new QAction(tr("Load PSBT..."), this);
+ m_load_psbt_action->setStatusTip(
+ tr("Load Partially Signed Bitcoin Transaction"));
openRPCConsoleAction =
new QAction(platformStyle->TextColorIcon(":/icons/debugwindow"),
@@ -443,6 +446,8 @@
[this] { showNormalIfMinimized(); });
connect(verifyMessageAction, &QAction::triggered,
[this] { gotoVerifyMessageTab(); });
+ connect(m_load_psbt_action, &QAction::triggered,
+ [this] { gotoLoadPSBT(); });
connect(usedSendingAddressesAction, &QAction::triggered, walletFrame,
&WalletFrame::usedSendingAddresses);
connect(usedReceivingAddressesAction, &QAction::triggered, walletFrame,
@@ -530,6 +535,7 @@
file->addAction(backupWalletAction);
file->addAction(signMessageAction);
file->addAction(verifyMessageAction);
+ file->addAction(m_load_psbt_action);
file->addSeparator();
}
file->addAction(quitAction);
@@ -967,6 +973,11 @@
walletFrame->gotoVerifyMessageTab(addr);
}
}
+void BitcoinGUI::gotoLoadPSBT() {
+ if (walletFrame) {
+ walletFrame->gotoLoadPSBT();
+ }
+}
#endif // ENABLE_WALLET
void BitcoinGUI::updateNetworkState() {
diff --git a/src/qt/walletframe.h b/src/qt/walletframe.h
--- a/src/qt/walletframe.h
+++ b/src/qt/walletframe.h
@@ -79,6 +79,9 @@
/** Show Sign/Verify Message dialog and switch to verify message tab */
void gotoVerifyMessageTab(QString addr = "");
+ /** Load Partially Signed Bitcoin Transaction */
+ void gotoLoadPSBT();
+
/** Encrypt the wallet */
void encryptWallet(bool status);
/** Backup the wallet */
diff --git a/src/qt/walletframe.cpp b/src/qt/walletframe.cpp
--- a/src/qt/walletframe.cpp
+++ b/src/qt/walletframe.cpp
@@ -153,6 +153,13 @@
}
}
+void WalletFrame::gotoLoadPSBT() {
+ WalletView *walletView = currentWalletView();
+ if (walletView) {
+ walletView->gotoLoadPSBT();
+ }
+}
+
void WalletFrame::encryptWallet(bool status) {
WalletView *walletView = currentWalletView();
if (walletView) {
diff --git a/src/qt/walletview.h b/src/qt/walletview.h
--- a/src/qt/walletview.h
+++ b/src/qt/walletview.h
@@ -89,6 +89,8 @@
void gotoSignMessageTab(QString addr = "");
/** Show Sign/Verify Message dialog and switch to verify message tab */
void gotoVerifyMessageTab(QString addr = "");
+ /** Load Partially Signed Bitcoin Transaction */
+ void gotoLoadPSBT();
/**
* Show incoming transaction notification for new transactions.
diff --git a/src/qt/walletview.cpp b/src/qt/walletview.cpp
--- a/src/qt/walletview.cpp
+++ b/src/qt/walletview.cpp
@@ -4,7 +4,11 @@
#include <qt/walletview.h>
+#include <config.h> // For GetConfig
#include <interfaces/node.h>
+#include <node/psbt.h>
+#include <node/transaction.h>
+#include <policy/policy.h>
#include <qt/addressbookpage.h>
#include <qt/askpassphrasedialog.h>
#include <qt/bitcoingui.h>
@@ -20,6 +24,7 @@
#include <qt/transactionview.h>
#include <qt/walletmodel.h>
#include <ui_interface.h>
+#include <util/strencodings.h>
#include <QAction>
#include <QActionGroup>
@@ -257,6 +262,101 @@
}
}
+void WalletView::gotoLoadPSBT() {
+ QString filename = GUIUtil::getOpenFileName(
+ this, tr("Load Transaction Data"), QString(),
+ tr("Partially Signed Transaction (*.psbt)"), nullptr);
+ if (filename.isEmpty()) {
+ return;
+ }
+ if (GetFileSize(filename.toLocal8Bit().data(), MAX_FILE_SIZE_PSBT) ==
+ MAX_FILE_SIZE_PSBT) {
+ Q_EMIT message(tr("Error"),
+ tr("PSBT file must be smaller than 100 MiB"),
+ CClientUIInterface::MSG_ERROR);
+ return;
+ }
+ std::ifstream in(filename.toLocal8Bit().data(), std::ios::binary);
+ std::string dataStr(std::istreambuf_iterator<char>{in}, {});
+
+ std::string error;
+ PartiallySignedTransaction psbtx;
+ if (!DecodeRawPSBT(psbtx, dataStr, error)) {
+ Q_EMIT message(tr("Error"),
+ tr("Unable to decode PSBT file") + "\n" +
+ QString::fromStdString(error),
+ CClientUIInterface::MSG_ERROR);
+ return;
+ }
+
+ CMutableTransaction mtx;
+ bool complete = false;
+ PSBTAnalysis analysis = AnalyzePSBT(psbtx);
+ QMessageBox msgBox;
+ msgBox.setText("PSBT");
+ switch (analysis.next) {
+ case PSBTRole::CREATOR:
+ case PSBTRole::UPDATER:
+ msgBox.setInformativeText(
+ "PSBT is incomplete. Copy to clipboard for manual inspection?");
+ break;
+ case PSBTRole::SIGNER:
+ msgBox.setInformativeText(
+ "Transaction needs more signatures. Copy to clipboard?");
+ break;
+ case PSBTRole::FINALIZER:
+ case PSBTRole::EXTRACTOR:
+ complete = FinalizeAndExtractPSBT(psbtx, mtx);
+ if (complete) {
+ msgBox.setInformativeText(
+ tr("Would you like to send this transaction?"));
+ } else {
+ // The analyzer missed something, e.g. if there are
+ // final_scriptSig but with invalid signatures.
+ msgBox.setInformativeText(
+ tr("There was an unexpected problem processing the PSBT. "
+ "Copy to clipboard for manual inspection?"));
+ }
+ }
+
+ msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::Cancel);
+ switch (msgBox.exec()) {
+ case QMessageBox::Yes: {
+ if (complete) {
+ std::string err_string;
+ CTransactionRef tx = MakeTransactionRef(mtx);
+
+ TransactionError result = BroadcastTransaction(
+ *clientModel->node().context(), GetConfig(), tx, err_string,
+ DEFAULT_MAX_RAW_TX_FEE_RATE.GetFeePerK(), /* relay */ true,
+ /* wait_callback */ false);
+ if (result == TransactionError::OK) {
+ Q_EMIT message(tr("Success"),
+ tr("Broadcasted transaction successfully."),
+ CClientUIInterface::MSG_INFORMATION |
+ CClientUIInterface::MODAL);
+ } else {
+ Q_EMIT message(tr("Error"),
+ QString::fromStdString(err_string),
+ CClientUIInterface::MSG_ERROR);
+ }
+ } else {
+ // Serialize the PSBT
+ CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
+ ssTx << psbtx;
+ GUIUtil::setClipboard(EncodeBase64(ssTx.str()).c_str());
+ Q_EMIT message(tr("PSBT copied"), "Copied to clipboard",
+ CClientUIInterface::MSG_INFORMATION);
+ return;
+ }
+ }
+ case QMessageBox::Cancel:
+ break;
+ default:
+ assert(false);
+ }
+}
+
bool WalletView::handlePaymentRequest(const SendCoinsRecipient &recipient) {
return sendCoinsPage->handlePaymentRequest(recipient);
}