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Merge #17492: QT: bump fee returns PSBT on clipboard for watchonly-only wallets

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3c30d7118a QT: Change bumpFee asserts to simple error message (Gregory Sanders)
e3b19d8696 QT: bump fee returns PSBT on clipboard for watchonly-only wallets (Gregory Sanders)

Pull request description:

  Very small set of changes to support PSBT-based fee bumping on watchonly wallets in QT.

  quasi-companion to https://github.com/bitcoin/bitcoin/pull/16373

ACKs for top commit:
  gwillen:
    code review ACK 3c30d71
  promag:
    Code review ACK 3c30d7118a.
  Sjors:
    utACK 3c30d71
  achow101:
    ACK 3c30d7118a

Tree-SHA512: 7a706141e46d7fd0ad513a08a96c16f2e7e531427a6776b689362f82e32cbd9d4b7eeb98f6936aa3f9347d23ccc94128516fcffa695efacd9cac43606ea916e2
This commit is contained in:
fanquake
2020-01-22 07:58:54 +08:00
parent 631df3ee87 3c30d7118a
commit 742f84d0de
1 changed files with 21 additions and 1 deletions
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22
src/qt/walletmodel.cpp
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@@ -10,6 +10,7 @@
#include <qt/addresstablemodel.h>
#include <qt/guiconstants.h>
#include <qt/guiutil.h>
#include <qt/optionsmodel.h>
#include <qt/paymentserver.h>
#include <qt/recentrequeststablemodel.h>
@@ -487,8 +488,10 @@ bool WalletModel::bumpFee(uint256 hash, uint256& new_hash)
return false;
}
const bool create_psbt = privateKeysDisabled();
// allow a user based fee verification
QString questionString = tr("Do you want to increase the fee?");
QString questionString = create_psbt ? tr("Do you want to draft a transaction with fee increase?") : tr("Do you want to increase the fee?");
questionString.append("<br />");
questionString.append("<table style=\"text-align: left;\">");
questionString.append("<tr><td>");
@@ -519,6 +522,23 @@ bool WalletModel::bumpFee(uint256 hash, uint256& new_hash)
return false;
}
// Short-circuit if we are returning a bumped transaction PSBT to clipboard
if (create_psbt) {
PartiallySignedTransaction psbtx(mtx);
bool complete = false;
const TransactionError err = wallet().fillPSBT(psbtx, complete, SIGHASH_ALL, false /* sign */, true /* bip32derivs */);
if (err != TransactionError::OK || complete) {
QMessageBox::critical(nullptr, tr("Fee bump error"), tr("Can't draft transaction."));
return false;
}
// 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 true;
}
// sign bumped transaction
if (!m_wallet->signBumpTransaction(mtx)) {
QMessageBox::critical(nullptr, tr("Fee bump error"), tr("Can't sign transaction."));