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[gui] load PSBT

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co-authored-by: Glenn Willen <gwillen@nerdnet.org>
This commit is contained in:
Sjors Provoost
2020-01-04 21:13:04 +08:00
parent f6895301f7
commit 1cd8dc2556
6 changed files with 102 additions and 0 deletions
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78
src/qt/walletview.cpp
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@@ -4,6 +4,9 @@
#include <qt/walletview.h>
#include <node/psbt.h>
#include <node/transaction.h>
#include <policy/policy.h>
#include <qt/addressbookpage.h>
#include <qt/askpassphrasedialog.h>
#include <qt/clientmodel.h>
@@ -20,6 +23,7 @@
#include <interfaces/node.h>
#include <ui_interface.h>
#include <util/strencodings.h>
#include <QAction>
#include <QActionGroup>
@@ -197,6 +201,80 @@ void WalletView::gotoVerifyMessageTab(QString addr)
signVerifyMessageDialog->setAddress_VM(addr);
}
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 data(std::istreambuf_iterator<char>{in}, {});
std::string error;
PartiallySignedTransaction psbtx;
if (!DecodeRawPSBT(psbtx, data, 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/final_scriptWitness
// 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(), 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 sucessfully."), 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);