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-rw-r--r--src/interfaces/wallet.cpp1
-rw-r--r--src/interfaces/wallet.h3
-rw-r--r--src/pubkey.h5
-rw-r--r--src/qt/createwalletdialog.cpp5
-rw-r--r--src/qt/createwalletdialog.h1
-rw-r--r--src/qt/forms/createwalletdialog.ui20
-rw-r--r--src/qt/overviewpage.cpp25
-rw-r--r--src/qt/receivecoinsdialog.cpp43
-rw-r--r--src/qt/walletcontroller.cpp3
-rw-r--r--src/rpc/client.cpp2
-rw-r--r--src/script/descriptor.cpp9
-rw-r--r--src/script/descriptor.h3
-rw-r--r--src/wallet/rpcdump.cpp294
-rw-r--r--src/wallet/rpcwallet.cpp21
-rw-r--r--src/wallet/scriptpubkeyman.cpp671
-rw-r--r--src/wallet/scriptpubkeyman.h116
-rw-r--r--src/wallet/test/wallet_tests.cpp21
-rw-r--r--src/wallet/wallet.cpp331
-rw-r--r--src/wallet/wallet.h26
-rw-r--r--src/wallet/walletdb.cpp185
-rw-r--r--src/wallet/walletdb.h14
-rw-r--r--src/wallet/walletutil.cpp7
-rw-r--r--src/wallet/walletutil.h41
23 files changed, 1707 insertions, 140 deletions
diff --git a/src/interfaces/wallet.cpp b/src/interfaces/wallet.cpp
index 942952d9c6..152917ac60 100644
--- a/src/interfaces/wallet.cpp
+++ b/src/interfaces/wallet.cpp
@@ -464,6 +464,7 @@ public:
{
RemoveWallet(m_wallet);
}
+ bool isLegacy() override { return m_wallet->IsLegacy(); }
std::unique_ptr<Handler> handleUnload(UnloadFn fn) override
{
return MakeHandler(m_wallet->NotifyUnload.connect(fn));
diff --git a/src/interfaces/wallet.h b/src/interfaces/wallet.h
index 0157e9cf95..5d870c5e3d 100644
--- a/src/interfaces/wallet.h
+++ b/src/interfaces/wallet.h
@@ -266,6 +266,9 @@ public:
// Remove wallet.
virtual void remove() = 0;
+ //! Return whether is a legacy wallet
+ virtual bool isLegacy() = 0;
+
//! Register handler for unload message.
using UnloadFn = std::function<void()>;
virtual std::unique_ptr<Handler> handleUnload(UnloadFn fn) = 0;
diff --git a/src/pubkey.h b/src/pubkey.h
index 2fc92c9bc6..261842b7f7 100644
--- a/src/pubkey.h
+++ b/src/pubkey.h
@@ -219,6 +219,11 @@ struct CExtPubKey {
a.pubkey == b.pubkey;
}
+ friend bool operator!=(const CExtPubKey &a, const CExtPubKey &b)
+ {
+ return !(a == b);
+ }
+
void Encode(unsigned char code[BIP32_EXTKEY_SIZE]) const;
void Decode(const unsigned char code[BIP32_EXTKEY_SIZE]);
bool Derive(CExtPubKey& out, unsigned int nChild) const;
diff --git a/src/qt/createwalletdialog.cpp b/src/qt/createwalletdialog.cpp
index 8e6474b0d4..5056e487fc 100644
--- a/src/qt/createwalletdialog.cpp
+++ b/src/qt/createwalletdialog.cpp
@@ -60,3 +60,8 @@ bool CreateWalletDialog::isMakeBlankWalletChecked() const
{
return ui->blank_wallet_checkbox->isChecked();
}
+
+bool CreateWalletDialog::isDescriptorWalletChecked() const
+{
+ return ui->descriptor_checkbox->isChecked();
+}
diff --git a/src/qt/createwalletdialog.h b/src/qt/createwalletdialog.h
index 30766107b9..20cce937c8 100644
--- a/src/qt/createwalletdialog.h
+++ b/src/qt/createwalletdialog.h
@@ -27,6 +27,7 @@ public:
bool isEncryptWalletChecked() const;
bool isDisablePrivateKeysChecked() const;
bool isMakeBlankWalletChecked() const;
+ bool isDescriptorWalletChecked() const;
private:
Ui::CreateWalletDialog *ui;
diff --git a/src/qt/forms/createwalletdialog.ui b/src/qt/forms/createwalletdialog.ui
index e49bab8f3b..b592140dd7 100644
--- a/src/qt/forms/createwalletdialog.ui
+++ b/src/qt/forms/createwalletdialog.ui
@@ -7,7 +7,7 @@
<x>0</x>
<y>0</y>
<width>364</width>
- <height>185</height>
+ <height>213</height>
</rect>
</property>
<property name="windowTitle">
@@ -17,7 +17,7 @@
<property name="geometry">
<rect>
<x>10</x>
- <y>140</y>
+ <y>170</y>
<width>341</width>
<height>32</height>
</rect>
@@ -106,6 +106,22 @@
<string>Make Blank Wallet</string>
</property>
</widget>
+ <widget class="QCheckBox" name="descriptor_checkbox">
+ <property name="geometry">
+ <rect>
+ <x>20</x>
+ <y>140</y>
+ <width>171</width>
+ <height>22</height>
+ </rect>
+ </property>
+ <property name="toolTip">
+ <string>Use descriptors for scriptPubKey management</string>
+ </property>
+ <property name="text">
+ <string>Descriptor Wallet</string>
+ </property>
+ </widget>
</widget>
<tabstops>
<tabstop>wallet_name_line_edit</tabstop>
diff --git a/src/qt/overviewpage.cpp b/src/qt/overviewpage.cpp
index c376921b72..e0ae1f9e92 100644
--- a/src/qt/overviewpage.cpp
+++ b/src/qt/overviewpage.cpp
@@ -161,20 +161,27 @@ void OverviewPage::setBalance(const interfaces::WalletBalances& balances)
{
int unit = walletModel->getOptionsModel()->getDisplayUnit();
m_balances = balances;
- if (walletModel->wallet().privateKeysDisabled()) {
- ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balances.watch_only_balance, false, BitcoinUnits::separatorAlways));
- ui->labelUnconfirmed->setText(BitcoinUnits::formatWithUnit(unit, balances.unconfirmed_watch_only_balance, false, BitcoinUnits::separatorAlways));
- ui->labelImmature->setText(BitcoinUnits::formatWithUnit(unit, balances.immature_watch_only_balance, false, BitcoinUnits::separatorAlways));
- ui->labelTotal->setText(BitcoinUnits::formatWithUnit(unit, balances.watch_only_balance + balances.unconfirmed_watch_only_balance + balances.immature_watch_only_balance, false, BitcoinUnits::separatorAlways));
+ if (walletModel->wallet().isLegacy()) {
+ if (walletModel->wallet().privateKeysDisabled()) {
+ ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balances.watch_only_balance, false, BitcoinUnits::separatorAlways));
+ ui->labelUnconfirmed->setText(BitcoinUnits::formatWithUnit(unit, balances.unconfirmed_watch_only_balance, false, BitcoinUnits::separatorAlways));
+ ui->labelImmature->setText(BitcoinUnits::formatWithUnit(unit, balances.immature_watch_only_balance, false, BitcoinUnits::separatorAlways));
+ ui->labelTotal->setText(BitcoinUnits::formatWithUnit(unit, balances.watch_only_balance + balances.unconfirmed_watch_only_balance + balances.immature_watch_only_balance, false, BitcoinUnits::separatorAlways));
+ } else {
+ ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balances.balance, false, BitcoinUnits::separatorAlways));
+ ui->labelUnconfirmed->setText(BitcoinUnits::formatWithUnit(unit, balances.unconfirmed_balance, false, BitcoinUnits::separatorAlways));
+ ui->labelImmature->setText(BitcoinUnits::formatWithUnit(unit, balances.immature_balance, false, BitcoinUnits::separatorAlways));
+ ui->labelTotal->setText(BitcoinUnits::formatWithUnit(unit, balances.balance + balances.unconfirmed_balance + balances.immature_balance, false, BitcoinUnits::separatorAlways));
+ ui->labelWatchAvailable->setText(BitcoinUnits::formatWithUnit(unit, balances.watch_only_balance, false, BitcoinUnits::separatorAlways));
+ ui->labelWatchPending->setText(BitcoinUnits::formatWithUnit(unit, balances.unconfirmed_watch_only_balance, false, BitcoinUnits::separatorAlways));
+ ui->labelWatchImmature->setText(BitcoinUnits::formatWithUnit(unit, balances.immature_watch_only_balance, false, BitcoinUnits::separatorAlways));
+ ui->labelWatchTotal->setText(BitcoinUnits::formatWithUnit(unit, balances.watch_only_balance + balances.unconfirmed_watch_only_balance + balances.immature_watch_only_balance, false, BitcoinUnits::separatorAlways));
+ }
} else {
ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balances.balance, false, BitcoinUnits::separatorAlways));
ui->labelUnconfirmed->setText(BitcoinUnits::formatWithUnit(unit, balances.unconfirmed_balance, false, BitcoinUnits::separatorAlways));
ui->labelImmature->setText(BitcoinUnits::formatWithUnit(unit, balances.immature_balance, false, BitcoinUnits::separatorAlways));
ui->labelTotal->setText(BitcoinUnits::formatWithUnit(unit, balances.balance + balances.unconfirmed_balance + balances.immature_balance, false, BitcoinUnits::separatorAlways));
- ui->labelWatchAvailable->setText(BitcoinUnits::formatWithUnit(unit, balances.watch_only_balance, false, BitcoinUnits::separatorAlways));
- ui->labelWatchPending->setText(BitcoinUnits::formatWithUnit(unit, balances.unconfirmed_watch_only_balance, false, BitcoinUnits::separatorAlways));
- ui->labelWatchImmature->setText(BitcoinUnits::formatWithUnit(unit, balances.immature_watch_only_balance, false, BitcoinUnits::separatorAlways));
- ui->labelWatchTotal->setText(BitcoinUnits::formatWithUnit(unit, balances.watch_only_balance + balances.unconfirmed_watch_only_balance + balances.immature_watch_only_balance, false, BitcoinUnits::separatorAlways));
}
// only show immature (newly mined) balance if it's non-zero, so as not to complicate things
// for the non-mining users
diff --git a/src/qt/receivecoinsdialog.cpp b/src/qt/receivecoinsdialog.cpp
index 180550c5ae..5debded4ea 100644
--- a/src/qt/receivecoinsdialog.cpp
+++ b/src/qt/receivecoinsdialog.cpp
@@ -157,17 +157,40 @@ void ReceiveCoinsDialog::on_receiveButton_clicked()
}
}
address = model->getAddressTableModel()->addRow(AddressTableModel::Receive, label, "", address_type);
- SendCoinsRecipient info(address, label,
- ui->reqAmount->value(), ui->reqMessage->text());
- ReceiveRequestDialog *dialog = new ReceiveRequestDialog(this);
- dialog->setAttribute(Qt::WA_DeleteOnClose);
- dialog->setModel(model);
- dialog->setInfo(info);
- dialog->show();
- clear();
- /* Store request for later reference */
- model->getRecentRequestsTableModel()->addNewRequest(info);
+ switch(model->getAddressTableModel()->getEditStatus())
+ {
+ case AddressTableModel::EditStatus::OK: {
+ // Success
+ SendCoinsRecipient info(address, label,
+ ui->reqAmount->value(), ui->reqMessage->text());
+ ReceiveRequestDialog *dialog = new ReceiveRequestDialog(this);
+ dialog->setAttribute(Qt::WA_DeleteOnClose);
+ dialog->setModel(model);
+ dialog->setInfo(info);
+ dialog->show();
+
+ /* Store request for later reference */
+ model->getRecentRequestsTableModel()->addNewRequest(info);
+ break;
+ }
+ case AddressTableModel::EditStatus::WALLET_UNLOCK_FAILURE:
+ QMessageBox::critical(this, windowTitle(),
+ tr("Could not unlock wallet."),
+ QMessageBox::Ok, QMessageBox::Ok);
+ break;
+ case AddressTableModel::EditStatus::KEY_GENERATION_FAILURE:
+ QMessageBox::critical(this, windowTitle(),
+ tr("Could not generate new %1 address").arg(QString::fromStdString(FormatOutputType(address_type))),
+ QMessageBox::Ok, QMessageBox::Ok);
+ break;
+ // These aren't valid return values for our action
+ case AddressTableModel::EditStatus::INVALID_ADDRESS:
+ case AddressTableModel::EditStatus::DUPLICATE_ADDRESS:
+ case AddressTableModel::EditStatus::NO_CHANGES:
+ assert(false);
+ }
+ clear();
}
void ReceiveCoinsDialog::on_recentRequestsView_doubleClicked(const QModelIndex &index)
diff --git a/src/qt/walletcontroller.cpp b/src/qt/walletcontroller.cpp
index 8e422fa962..9c1488fb0e 100644
--- a/src/qt/walletcontroller.cpp
+++ b/src/qt/walletcontroller.cpp
@@ -226,6 +226,9 @@ void CreateWalletActivity::createWallet()
if (m_create_wallet_dialog->isMakeBlankWalletChecked()) {
flags |= WALLET_FLAG_BLANK_WALLET;
}
+ if (m_create_wallet_dialog->isDescriptorWalletChecked()) {
+ flags |= WALLET_FLAG_DESCRIPTORS;
+ }
QTimer::singleShot(500, worker(), [this, name, flags] {
WalletCreationStatus status;
diff --git a/src/rpc/client.cpp b/src/rpc/client.cpp
index 5d0f2fd703..3045a74d7a 100644
--- a/src/rpc/client.cpp
+++ b/src/rpc/client.cpp
@@ -131,6 +131,7 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "importpubkey", 2, "rescan" },
{ "importmulti", 0, "requests" },
{ "importmulti", 1, "options" },
+ { "importdescriptors", 0, "requests" },
{ "verifychain", 0, "checklevel" },
{ "verifychain", 1, "nblocks" },
{ "getblockstats", 0, "hash_or_height" },
@@ -170,6 +171,7 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "createwallet", 1, "disable_private_keys"},
{ "createwallet", 2, "blank"},
{ "createwallet", 4, "avoid_reuse"},
+ { "createwallet", 5, "descriptors"},
{ "getnodeaddresses", 0, "count"},
{ "stop", 0, "wait" },
};
diff --git a/src/script/descriptor.cpp b/src/script/descriptor.cpp
index 68d83299ee..5279f40506 100644
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -575,6 +575,7 @@ public:
default: return nullopt;
}
}
+ bool IsSingleType() const final { return true; }
};
/** A parsed raw(H) descriptor. */
@@ -602,6 +603,7 @@ public:
default: return nullopt;
}
}
+ bool IsSingleType() const final { return true; }
};
/** A parsed pk(P) descriptor. */
@@ -611,6 +613,7 @@ protected:
std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, const CScript*, FlatSigningProvider&) const override { return Vector(GetScriptForRawPubKey(keys[0])); }
public:
PKDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "pk") {}
+ bool IsSingleType() const final { return true; }
};
/** A parsed pkh(P) descriptor. */
@@ -626,6 +629,7 @@ protected:
public:
PKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "pkh") {}
Optional<OutputType> GetOutputType() const override { return OutputType::LEGACY; }
+ bool IsSingleType() const final { return true; }
};
/** A parsed wpkh(P) descriptor. */
@@ -641,6 +645,7 @@ protected:
public:
WPKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "wpkh") {}
Optional<OutputType> GetOutputType() const override { return OutputType::BECH32; }
+ bool IsSingleType() const final { return true; }
};
/** A parsed combo(P) descriptor. */
@@ -664,6 +669,7 @@ protected:
}
public:
ComboDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "combo") {}
+ bool IsSingleType() const final { return false; }
};
/** A parsed multi(...) or sortedmulti(...) descriptor */
@@ -683,6 +689,7 @@ protected:
}
public:
MultisigDescriptor(int threshold, std::vector<std::unique_ptr<PubkeyProvider>> providers, bool sorted = false) : DescriptorImpl(std::move(providers), {}, sorted ? "sortedmulti" : "multi"), m_threshold(threshold), m_sorted(sorted) {}
+ bool IsSingleType() const final { return true; }
};
/** A parsed sh(...) descriptor. */
@@ -699,6 +706,7 @@ public:
if (m_subdescriptor_arg->GetOutputType() == OutputType::BECH32) return OutputType::P2SH_SEGWIT;
return OutputType::LEGACY;
}
+ bool IsSingleType() const final { return true; }
};
/** A parsed wsh(...) descriptor. */
@@ -709,6 +717,7 @@ protected:
public:
WSHDescriptor(std::unique_ptr<DescriptorImpl> desc) : DescriptorImpl({}, std::move(desc), "wsh") {}
Optional<OutputType> GetOutputType() const override { return OutputType::BECH32; }
+ bool IsSingleType() const final { return true; }
};
////////////////////////////////////////////////////////////////////////////
diff --git a/src/script/descriptor.h b/src/script/descriptor.h
index 69850eb670..17b43e7c81 100644
--- a/src/script/descriptor.h
+++ b/src/script/descriptor.h
@@ -87,6 +87,9 @@ struct Descriptor {
/** Convert the descriptor back to a string, undoing parsing. */
virtual std::string ToString() const = 0;
+ /** Whether this descriptor will return one scriptPubKey or multiple (aka is or is not combo) */
+ virtual bool IsSingleType() const = 0;
+
/** Convert the descriptor to a private string. This fails if the provided provider does not have the relevant private keys. */
virtual bool ToPrivateString(const SigningProvider& provider, std::string& out) const = 0;
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 86e4e06673..128de52b58 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -1458,3 +1458,297 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
return response;
}
+
+static UniValue ProcessDescriptorImport(CWallet * const pwallet, const UniValue& data, const int64_t timestamp) EXCLUSIVE_LOCKS_REQUIRED(pwallet->cs_wallet)
+{
+ UniValue warnings(UniValue::VARR);
+ UniValue result(UniValue::VOBJ);
+
+ try {
+ if (!data.exists("desc")) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Descriptor not found.");
+ }
+
+ const std::string& descriptor = data["desc"].get_str();
+ const bool active = data.exists("active") ? data["active"].get_bool() : false;
+ const bool internal = data.exists("internal") ? data["internal"].get_bool() : false;
+ const std::string& label = data.exists("label") ? data["label"].get_str() : "";
+
+ // Parse descriptor string
+ FlatSigningProvider keys;
+ std::string error;
+ auto parsed_desc = Parse(descriptor, keys, error, /* require_checksum = */ true);
+ if (!parsed_desc) {
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, error);
+ }
+
+ // Range check
+ int64_t range_start = 0, range_end = 1, next_index = 0;
+ if (!parsed_desc->IsRange() && data.exists("range")) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Range should not be specified for an un-ranged descriptor");
+ } else if (parsed_desc->IsRange()) {
+ if (data.exists("range")) {
+ auto range = ParseDescriptorRange(data["range"]);
+ range_start = range.first;
+ range_end = range.second + 1; // Specified range end is inclusive, but we need range end as exclusive
+ } else {
+ warnings.push_back("Range not given, using default keypool range");
+ range_start = 0;
+ range_end = gArgs.GetArg("-keypool", DEFAULT_KEYPOOL_SIZE);
+ }
+ next_index = range_start;
+
+ if (data.exists("next_index")) {
+ next_index = data["next_index"].get_int64();
+ // bound checks
+ if (next_index < range_start || next_index >= range_end) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "next_index is out of range");
+ }
+ }
+ }
+
+ // Active descriptors must be ranged
+ if (active && !parsed_desc->IsRange()) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Active descriptors must be ranged");
+ }
+
+ // Ranged descriptors should not have a label
+ if (data.exists("range") && data.exists("label")) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Ranged descriptors should not have a label");
+ }
+
+ // Internal addresses should not have a label either
+ if (internal && data.exists("label")) {
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Internal addresses should not have a label");
+ }
+
+ // Combo descriptor check
+ if (active && !parsed_desc->IsSingleType()) {
+ throw JSONRPCError(RPC_WALLET_ERROR, "Combo descriptors cannot be set to active");
+ }
+
+ // If the wallet disabled private keys, abort if private keys exist
+ if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !keys.keys.empty()) {
+ throw JSONRPCError(RPC_WALLET_ERROR, "Cannot import private keys to a wallet with private keys disabled");
+ }
+
+ // Need to ExpandPrivate to check if private keys are available for all pubkeys
+ FlatSigningProvider expand_keys;
+ std::vector<CScript> scripts;
+ parsed_desc->Expand(0, keys, scripts, expand_keys);
+ parsed_desc->ExpandPrivate(0, keys, expand_keys);
+
+ // Check if all private keys are provided
+ bool have_all_privkeys = !expand_keys.keys.empty();
+ for (const auto& entry : expand_keys.origins) {
+ const CKeyID& key_id = entry.first;
+ CKey key;
+ if (!expand_keys.GetKey(key_id, key)) {
+ have_all_privkeys = false;
+ break;
+ }
+ }
+
+ // If private keys are enabled, check some things.
+ if (!pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
+ if (keys.keys.empty()) {
+ throw JSONRPCError(RPC_WALLET_ERROR, "Cannot import descriptor without private keys to a wallet with private keys enabled");
+ }
+ if (!have_all_privkeys) {
+ warnings.push_back("Not all private keys provided. Some wallet functionality may return unexpected errors");
+ }
+ }
+
+ WalletDescriptor w_desc(std::move(parsed_desc), timestamp, range_start, range_end, next_index);
+
+ // Check if the wallet already contains the descriptor
+ auto existing_spk_manager = pwallet->GetDescriptorScriptPubKeyMan(w_desc);
+ if (existing_spk_manager) {
+ LOCK(existing_spk_manager->cs_desc_man);
+ if (range_start > existing_spk_manager->GetWalletDescriptor().range_start) {
+ throw JSONRPCError(RPC_INVALID_PARAMS, strprintf("range_start can only decrease; current range = [%d,%d]", existing_spk_manager->GetWalletDescriptor().range_start, existing_spk_manager->GetWalletDescriptor().range_end));
+ }
+ }
+
+ // Add descriptor to the wallet
+ auto spk_manager = pwallet->AddWalletDescriptor(w_desc, keys, label);
+ if (spk_manager == nullptr) {
+ throw JSONRPCError(RPC_WALLET_ERROR, strprintf("Could not add descriptor '%s'", descriptor));
+ }
+
+ // Set descriptor as active if necessary
+ if (active) {
+ if (!w_desc.descriptor->GetOutputType()) {
+ warnings.push_back("Unknown output type, cannot set descriptor to active.");
+ } else {
+ pwallet->SetActiveScriptPubKeyMan(spk_manager->GetID(), *w_desc.descriptor->GetOutputType(), internal);
+ }
+ }
+
+ result.pushKV("success", UniValue(true));
+ } catch (const UniValue& e) {
+ result.pushKV("success", UniValue(false));
+ result.pushKV("error", e);
+ } catch (...) {
+ result.pushKV("success", UniValue(false));
+
+ result.pushKV("error", JSONRPCError(RPC_MISC_ERROR, "Missing required fields"));
+ }
+ if (warnings.size()) result.pushKV("warnings", warnings);
+ return result;
+}
+
+UniValue importdescriptors(const JSONRPCRequest& main_request) {
+ // Acquire the wallet
+ std::shared_ptr<CWallet> const wallet = GetWalletForJSONRPCRequest(main_request);
+ CWallet* const pwallet = wallet.get();
+ if (!EnsureWalletIsAvailable(pwallet, main_request.fHelp)) {
+ return NullUniValue;
+ }
+
+ RPCHelpMan{"importdescriptors",
+ "\nImport descriptors. This will trigger a rescan of the blockchain based on the earliest timestamp of all descriptors being imported. Requires a new wallet backup.\n"
+ "\nNote: This call can take over an hour to complete if using an early timestamp; during that time, other rpc calls\n"
+ "may report that the imported keys, addresses or scripts exist but related transactions are still missing.\n",
+ {
+ {"requests", RPCArg::Type::ARR, RPCArg::Optional::NO, "Data to be imported",
+ {
+ {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
+ {
+ {"desc", RPCArg::Type::STR, RPCArg::Optional::NO, "Descriptor to import."},
+ {"active", RPCArg::Type::BOOL, /* default */ "false", "Set this descriptor to be the active descriptor for the corresponding output type/externality"},
+ {"range", RPCArg::Type::RANGE, RPCArg::Optional::OMITTED, "If a ranged descriptor is used, this specifies the end or the range (in the form [begin,end]) to import"},
+ {"next_index", RPCArg::Type::NUM, RPCArg::Optional::OMITTED, "If a ranged descriptor is set to active, this specifies the next index to generate addresses from"},
+ {"timestamp", RPCArg::Type::NUM, RPCArg::Optional::NO, "Time from which to start rescanning the blockchain for this descriptor, in " + UNIX_EPOCH_TIME + "\n"
+ " Use the string \"now\" to substitute the current synced blockchain time.\n"
+ " \"now\" can be specified to bypass scanning, for outputs which are known to never have been used, and\n"
+ " 0 can be specified to scan the entire blockchain. Blocks up to 2 hours before the earliest timestamp\n"
+ " of all descriptors being imported will be scanned.",
+ /* oneline_description */ "", {"timestamp | \"now\"", "integer / string"}
+ },
+ {"internal", RPCArg::Type::BOOL, /* default */ "false", "Whether matching outputs should be treated as not incoming payments (e.g. change)"},
+ {"label", RPCArg::Type::STR, /* default */ "''", "Label to assign to the address, only allowed with internal=false"},
+ },
+ },
+ },
+ "\"requests\""},
+ },
+ RPCResult{
+ RPCResult::Type::ARR, "", "Response is an array with the same size as the input that has the execution result",
+ {
+ {RPCResult::Type::OBJ, "", "",
+ {
+ {RPCResult::Type::BOOL, "success", ""},
+ {RPCResult::Type::ARR, "warnings", /* optional */ true, "",
+ {
+ {RPCResult::Type::STR, "", ""},
+ }},
+ {RPCResult::Type::OBJ, "error", /* optional */ true, "",
+ {
+ {RPCResult::Type::ELISION, "", "JSONRPC error"},
+ }},
+ }},
+ }
+ },
+ RPCExamples{
+ HelpExampleCli("importdescriptors", "'[{ \"desc\": \"<my descriptor>\", \"timestamp\":1455191478, \"internal\": true }, "
+ "{ \"desc\": \"<my desccriptor 2>\", \"label\": \"example 2\", \"timestamp\": 1455191480 }]'") +
+ HelpExampleCli("importdescriptors", "'[{ \"desc\": \"<my descriptor>\", \"timestamp\":1455191478, \"active\": true, \"range\": [0,100], \"label\": \"<my bech32 wallet>\" }]'")
+ },
+ }.Check(main_request);
+
+ // Make sure wallet is a descriptor wallet
+ if (!pwallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
+ throw JSONRPCError(RPC_WALLET_ERROR, "importdescriptors is not available for non-descriptor wallets");
+ }
+
+ RPCTypeCheck(main_request.params, {UniValue::VARR, UniValue::VOBJ});
+
+ WalletRescanReserver reserver(*pwallet);
+ if (!reserver.reserve()) {
+ throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
+ }
+
+ const UniValue& requests = main_request.params[0];
+ const int64_t minimum_timestamp = 1;
+ int64_t now = 0;
+ int64_t lowest_timestamp = 0;
+ bool rescan = false;
+ UniValue response(UniValue::VARR);
+ {
+ auto locked_chain = pwallet->chain().lock();
+ LOCK(pwallet->cs_wallet);
+ EnsureWalletIsUnlocked(pwallet);
+
+ CHECK_NONFATAL(pwallet->chain().findBlock(pwallet->GetLastBlockHash(), FoundBlock().time(lowest_timestamp).mtpTime(now)));
+
+ // Get all timestamps and extract the lowest timestamp
+ for (const UniValue& request : requests.getValues()) {
+ // This throws an error if "timestamp" doesn't exist
+ const int64_t timestamp = std::max(GetImportTimestamp(request, now), minimum_timestamp);
+ const UniValue result = ProcessDescriptorImport(pwallet, request, timestamp);
+ response.push_back(result);
+
+ if (lowest_timestamp > timestamp ) {
+ lowest_timestamp = timestamp;
+ }
+
+ // If we know the chain tip, and at least one request was successful then allow rescan
+ if (!rescan && result["success"].get_bool()) {
+ rescan = true;
+ }
+ }
+ pwallet->ConnectScriptPubKeyManNotifiers();
+ }
+
+ // Rescan the blockchain using the lowest timestamp
+ if (rescan) {
+ int64_t scanned_time = pwallet->RescanFromTime(lowest_timestamp, reserver, true /* update */);
+ {
+ auto locked_chain = pwallet->chain().lock();
+ LOCK(pwallet->cs_wallet);
+ pwallet->ReacceptWalletTransactions();
+ }
+
+ if (pwallet->IsAbortingRescan()) {
+ throw JSONRPCError(RPC_MISC_ERROR, "Rescan aborted by user.");
+ }
+
+ if (scanned_time > lowest_timestamp) {
+ std::vector<UniValue> results = response.getValues();
+ response.clear();
+ response.setArray();
+
+ // Compose the response
+ for (unsigned int i = 0; i < requests.size(); ++i) {
+ const UniValue& request = requests.getValues().at(i);
+
+ // If the descriptor timestamp is within the successfully scanned
+ // range, or if the import result already has an error set, let
+ // the result stand unmodified. Otherwise replace the result
+ // with an error message.
+ if (scanned_time <= GetImportTimestamp(request, now) || results.at(i).exists("error")) {
+ response.push_back(results.at(i));
+ } else {
+ UniValue result = UniValue(UniValue::VOBJ);
+ result.pushKV("success", UniValue(false));
+ result.pushKV(
+ "error",
+ JSONRPCError(
+ RPC_MISC_ERROR,
+ strprintf("Rescan failed for descriptor with timestamp %d. There was an error reading a "
+ "block from time %d, which is after or within %d seconds of key creation, and "
+ "could contain transactions pertaining to the desc. As a result, transactions "
+ "and coins using this desc may not appear in the wallet. This error could be "
+ "caused by pruning or data corruption (see bitcoind log for details) and could "
+ "be dealt with by downloading and rescanning the relevant blocks (see -reindex "
+ "and -rescan options).",
+ GetImportTimestamp(request, now), scanned_time - TIMESTAMP_WINDOW - 1, TIMESTAMP_WINDOW)));
+ response.push_back(std::move(result));
+ }
+ }
+ }
+ }
+
+ return response;
+}
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 46efb18793..49c583c422 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -1851,7 +1851,7 @@ static UniValue keypoolrefill(const JSONRPCRequest& request)
},
}.Check(request);
- if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
+ if (pwallet->IsLegacy() && pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet");
}
@@ -2439,7 +2439,7 @@ static UniValue getwalletinfo(const JSONRPCRequest& request)
{RPCResult::Type::STR_AMOUNT, "unconfirmed_balance", "DEPRECATED. Identical to getbalances().mine.untrusted_pending"},
{RPCResult::Type::STR_AMOUNT, "immature_balance", "DEPRECATED. Identical to getbalances().mine.immature"},
{RPCResult::Type::NUM, "txcount", "the total number of transactions in the wallet"},
- {RPCResult::Type::NUM_TIME, "keypoololdest", "the " + UNIX_EPOCH_TIME + " of the oldest pre-generated key in the key pool"},
+ {RPCResult::Type::NUM_TIME, "keypoololdest", "the " + UNIX_EPOCH_TIME + " of the oldest pre-generated key in the key pool. Legacy wallets only."},
{RPCResult::Type::NUM, "keypoolsize", "how many new keys are pre-generated (only counts external keys)"},
{RPCResult::Type::NUM, "keypoolsize_hd_internal", "how many new keys are pre-generated for internal use (used for change outputs, only appears if the wallet is using this feature, otherwise external keys are used)"},
{RPCResult::Type::NUM_TIME, "unlocked_until", "the " + UNIX_EPOCH_TIME + " until which the wallet is unlocked for transfers, or 0 if the wallet is locked"},
@@ -2452,6 +2452,7 @@ static UniValue getwalletinfo(const JSONRPCRequest& request)
{RPCResult::Type::NUM, "duration", "elapsed seconds since scan start"},
{RPCResult::Type::NUM, "progress", "scanning progress percentage [0.0, 1.0]"},
}},
+ {RPCResult::Type::BOOL, "descriptors", "whether this wallet uses descriptors for scriptPubKey management"},
}},
},
RPCExamples{
@@ -2471,13 +2472,16 @@ static UniValue getwalletinfo(const JSONRPCRequest& request)
size_t kpExternalSize = pwallet->KeypoolCountExternalKeys();
const auto bal = pwallet->GetBalance();
+ int64_t kp_oldest = pwallet->GetOldestKeyPoolTime();
obj.pushKV("walletname", pwallet->GetName());
obj.pushKV("walletversion", pwallet->GetVersion());
obj.pushKV("balance", ValueFromAmount(bal.m_mine_trusted));
obj.pushKV("unconfirmed_balance", ValueFromAmount(bal.m_mine_untrusted_pending));
obj.pushKV("immature_balance", ValueFromAmount(bal.m_mine_immature));
obj.pushKV("txcount", (int)pwallet->mapWallet.size());
- obj.pushKV("keypoololdest", pwallet->GetOldestKeyPoolTime());
+ if (kp_oldest > 0) {
+ obj.pushKV("keypoololdest", kp_oldest);
+ }
obj.pushKV("keypoolsize", (int64_t)kpExternalSize);
LegacyScriptPubKeyMan* spk_man = pwallet->GetLegacyScriptPubKeyMan();
@@ -2505,6 +2509,7 @@ static UniValue getwalletinfo(const JSONRPCRequest& request)
} else {
obj.pushKV("scanning", false);
}
+ obj.pushKV("descriptors", pwallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
return obj;
}
@@ -2701,6 +2706,7 @@ static UniValue createwallet(const JSONRPCRequest& request)
{"blank", RPCArg::Type::BOOL, /* default */ "false", "Create a blank wallet. A blank wallet has no keys or HD seed. One can be set using sethdseed."},
{"passphrase", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "Encrypt the wallet with this passphrase."},
{"avoid_reuse", RPCArg::Type::BOOL, /* default */ "false", "Keep track of coin reuse, and treat dirty and clean coins differently with privacy considerations in mind."},
+ {"descriptors", RPCArg::Type::BOOL, /* default */ "false", "Create a native descriptor wallet. The wallet will use descriptors internally to handle address creation"},
},
RPCResult{
RPCResult::Type::OBJ, "", "",
@@ -2737,6 +2743,9 @@ static UniValue createwallet(const JSONRPCRequest& request)
if (!request.params[4].isNull() && request.params[4].get_bool()) {
flags |= WALLET_FLAG_AVOID_REUSE;
}
+ if (!request.params[5].isNull() && request.params[5].get_bool()) {
+ flags |= WALLET_FLAG_DESCRIPTORS;
+ }
std::string error;
std::shared_ptr<CWallet> wallet;
@@ -3815,7 +3824,7 @@ UniValue getaddressinfo(const JSONRPCRequest& request)
ScriptPubKeyMan* spk_man = pwallet->GetScriptPubKeyMan(scriptPubKey);
if (spk_man) {
- if (const CKeyMetadata* meta = spk_man->GetMetadata(dest)) {
+ if (const std::unique_ptr<CKeyMetadata> meta = spk_man->GetMetadata(dest)) {
ret.pushKV("timestamp", meta->nCreateTime);
if (meta->has_key_origin) {
ret.pushKV("hdkeypath", WriteHDKeypath(meta->key_origin.path));
@@ -4280,6 +4289,7 @@ UniValue importwallet(const JSONRPCRequest& request);
UniValue importprunedfunds(const JSONRPCRequest& request);
UniValue removeprunedfunds(const JSONRPCRequest& request);
UniValue importmulti(const JSONRPCRequest& request);
+UniValue importdescriptors(const JSONRPCRequest& request);
void RegisterWalletRPCCommands(interfaces::Chain& chain, std::vector<std::unique_ptr<interfaces::Handler>>& handlers)
{
@@ -4293,7 +4303,7 @@ static const CRPCCommand commands[] =
{ "wallet", "addmultisigaddress", &addmultisigaddress, {"nrequired","keys","label","address_type"} },
{ "wallet", "backupwallet", &backupwallet, {"destination"} },
{ "wallet", "bumpfee", &bumpfee, {"txid", "options"} },
- { "wallet", "createwallet", &createwallet, {"wallet_name", "disable_private_keys", "blank", "passphrase", "avoid_reuse"} },
+ { "wallet", "createwallet", &createwallet, {"wallet_name", "disable_private_keys", "blank", "passphrase", "avoid_reuse", "descriptors"} },
{ "wallet", "dumpprivkey", &dumpprivkey, {"address"} },
{ "wallet", "dumpwallet", &dumpwallet, {"filename"} },
{ "wallet", "encryptwallet", &encryptwallet, {"passphrase"} },
@@ -4309,6 +4319,7 @@ static const CRPCCommand commands[] =
{ "wallet", "getbalances", &getbalances, {} },
{ "wallet", "getwalletinfo", &getwalletinfo, {} },
{ "wallet", "importaddress", &importaddress, {"address","label","rescan","p2sh"} },
+ { "wallet", "importdescriptors", &importdescriptors, {"requests"} },
{ "wallet", "importmulti", &importmulti, {"requests","options"} },
{ "wallet", "importprivkey", &importprivkey, {"privkey","label","rescan"} },
{ "wallet", "importprunedfunds", &importprunedfunds, {"rawtransaction","txoutproof"} },
diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp
index ec75f06e5e..ecb95d599d 100644
--- a/src/wallet/scriptpubkeyman.cpp
+++ b/src/wallet/scriptpubkeyman.cpp
@@ -568,7 +568,7 @@ TransactionError LegacyScriptPubKeyMan::FillPSBT(PartiallySignedTransaction& psb
return TransactionError::OK;
}
-const CKeyMetadata* LegacyScriptPubKeyMan::GetMetadata(const CTxDestination& dest) const
+std::unique_ptr<CKeyMetadata> LegacyScriptPubKeyMan::GetMetadata(const CTxDestination& dest) const
{
LOCK(cs_KeyStore);
@@ -576,14 +576,14 @@ const CKeyMetadata* LegacyScriptPubKeyMan::GetMetadata(const CTxDestination& des
if (!key_id.IsNull()) {
auto it = mapKeyMetadata.find(key_id);
if (it != mapKeyMetadata.end()) {
- return &it->second;
+ return MakeUnique<CKeyMetadata>(it->second);
}
}
CScript scriptPubKey = GetScriptForDestination(dest);
auto it = m_script_metadata.find(CScriptID(scriptPubKey));
if (it != m_script_metadata.end()) {
- return &it->second;
+ return MakeUnique<CKeyMetadata>(it->second);
}
return nullptr;
@@ -1497,3 +1497,668 @@ std::set<CKeyID> LegacyScriptPubKeyMan::GetKeys() const
}
return set_address;
}
+
+void LegacyScriptPubKeyMan::SetType(OutputType type, bool internal) {}
+
+bool DescriptorScriptPubKeyMan::GetNewDestination(const OutputType type, CTxDestination& dest, std::string& error)
+{
+ // Returns true if this descriptor supports getting new addresses. Conditions where we may be unable to fetch them (e.g. locked) are caught later
+ if (!CanGetAddresses(m_internal)) {
+ error = "No addresses available";
+ return false;
+ }
+ {
+ LOCK(cs_desc_man);
+ assert(m_wallet_descriptor.descriptor->IsSingleType()); // This is a combo descriptor which should not be an active descriptor
+ if (type != m_address_type) {
+ throw std::runtime_error(std::string(__func__) + ": Types are inconsistent");
+ }
+
+ TopUp();
+
+ // Get the scriptPubKey from the descriptor
+ FlatSigningProvider out_keys;
+ std::vector<CScript> scripts_temp;
+ if (m_wallet_descriptor.range_end <= m_max_cached_index && !TopUp(1)) {
+ // We can't generate anymore keys
+ error = "Error: Keypool ran out, please call keypoolrefill first";
+ return false;
+ }
+ if (!m_wallet_descriptor.descriptor->ExpandFromCache(m_wallet_descriptor.next_index, m_wallet_descriptor.cache, scripts_temp, out_keys)) {
+ // We can't generate anymore keys
+ error = "Error: Keypool ran out, please call keypoolrefill first";
+ return false;
+ }
+
+ Optional<OutputType> out_script_type = m_wallet_descriptor.descriptor->GetOutputType();
+ if (out_script_type && out_script_type == type) {
+ ExtractDestination(scripts_temp[0], dest);
+ } else {
+ throw std::runtime_error(std::string(__func__) + ": Types are inconsistent. Stored type does not match type of newly generated address");
+ }
+ m_wallet_descriptor.next_index++;
+ WalletBatch(m_storage.GetDatabase()).WriteDescriptor(GetID(), m_wallet_descriptor);
+ return true;
+ }
+}
+
+isminetype DescriptorScriptPubKeyMan::IsMine(const CScript& script) const
+{
+ LOCK(cs_desc_man);
+ if (m_map_script_pub_keys.count(script) > 0) {
+ return ISMINE_SPENDABLE;
+ }
+ return ISMINE_NO;
+}
+
+bool DescriptorScriptPubKeyMan::CheckDecryptionKey(const CKeyingMaterial& master_key, bool accept_no_keys)
+{
+ LOCK(cs_desc_man);
+ if (!m_map_keys.empty()) {
+ return false;
+ }
+
+ bool keyPass = m_map_crypted_keys.empty(); // Always pass when there are no encrypted keys
+ bool keyFail = false;
+ for (const auto& mi : m_map_crypted_keys) {
+ const CPubKey &pubkey = mi.second.first;
+ const std::vector<unsigned char> &crypted_secret = mi.second.second;
+ CKey key;
+ if (!DecryptKey(master_key, crypted_secret, pubkey, key)) {
+ keyFail = true;
+ break;
+ }
+ keyPass = true;
+ if (m_decryption_thoroughly_checked)
+ break;
+ }
+ if (keyPass && keyFail) {
+ LogPrintf("The wallet is probably corrupted: Some keys decrypt but not all.\n");
+ throw std::runtime_error("Error unlocking wallet: some keys decrypt but not all. Your wallet file may be corrupt.");
+ }
+ if (keyFail || (!keyPass && !accept_no_keys)) {
+ return false;
+ }
+ m_decryption_thoroughly_checked = true;
+ return true;
+}
+
+bool DescriptorScriptPubKeyMan::Encrypt(const CKeyingMaterial& master_key, WalletBatch* batch)
+{
+ LOCK(cs_desc_man);
+ if (!m_map_crypted_keys.empty()) {
+ return false;
+ }
+
+ for (const KeyMap::value_type& key_in : m_map_keys)
+ {
+ const CKey &key = key_in.second;
+ CPubKey pubkey = key.GetPubKey();
+ CKeyingMaterial secret(key.begin(), key.end());
+ std::vector<unsigned char> crypted_secret;
+ if (!EncryptSecret(master_key, secret, pubkey.GetHash(), crypted_secret)) {
+ return false;
+ }
+ m_map_crypted_keys[pubkey.GetID()] = make_pair(pubkey, crypted_secret);
+ batch->WriteCryptedDescriptorKey(GetID(), pubkey, crypted_secret);
+ }
+ m_map_keys.clear();
+ return true;
+}
+
+bool DescriptorScriptPubKeyMan::GetReservedDestination(const OutputType type, bool internal, CTxDestination& address, int64_t& index, CKeyPool& keypool)
+{
+ LOCK(cs_desc_man);
+ std::string error;
+ bool result = GetNewDestination(type, address, error);
+ index = m_wallet_descriptor.next_index - 1;
+ return result;
+}
+
+void DescriptorScriptPubKeyMan::ReturnDestination(int64_t index, bool internal, const CTxDestination& addr)
+{
+ LOCK(cs_desc_man);
+ // Only return when the index was the most recent
+ if (m_wallet_descriptor.next_index - 1 == index) {
+ m_wallet_descriptor.next_index--;
+ }
+ WalletBatch(m_storage.GetDatabase()).WriteDescriptor(GetID(), m_wallet_descriptor);
+ NotifyCanGetAddressesChanged();
+}
+
+std::map<CKeyID, CKey> DescriptorScriptPubKeyMan::GetKeys() const
+{
+ AssertLockHeld(cs_desc_man);
+ if (m_storage.HasEncryptionKeys() && !m_storage.IsLocked()) {
+ KeyMap keys;
+ for (auto key_pair : m_map_crypted_keys) {
+ const CPubKey& pubkey = key_pair.second.first;
+ const std::vector<unsigned char>& crypted_secret = key_pair.second.second;
+ CKey key;
+ DecryptKey(m_storage.GetEncryptionKey(), crypted_secret, pubkey, key);
+ keys[pubkey.GetID()] = key;
+ }
+ return keys;
+ }
+ return m_map_keys;
+}
+
+bool DescriptorScriptPubKeyMan::TopUp(unsigned int size)
+{
+ LOCK(cs_desc_man);
+ unsigned int target_size;
+ if (size > 0) {
+ target_size = size;
+ } else {
+ target_size = std::max(gArgs.GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t) 1);
+ }
+
+ // Calculate the new range_end
+ int32_t new_range_end = std::max(m_wallet_descriptor.next_index + (int32_t)target_size, m_wallet_descriptor.range_end);
+
+ // If the descriptor is not ranged, we actually just want to fill the first cache item
+ if (!m_wallet_descriptor.descriptor->IsRange()) {
+ new_range_end = 1;
+ m_wallet_descriptor.range_end = 1;
+ m_wallet_descriptor.range_start = 0;
+ }
+
+ FlatSigningProvider provider;
+ provider.keys = GetKeys();
+
+ WalletBatch batch(m_storage.GetDatabase());
+ uint256 id = GetID();
+ for (int32_t i = m_max_cached_index + 1; i < new_range_end; ++i) {
+ FlatSigningProvider out_keys;
+ std::vector<CScript> scripts_temp;
+ DescriptorCache temp_cache;
+ // Maybe we have a cached xpub and we can expand from the cache first
+ if (!m_wallet_descriptor.descriptor->ExpandFromCache(i, m_wallet_descriptor.cache, scripts_temp, out_keys)) {
+ if (!m_wallet_descriptor.descriptor->Expand(i, provider, scripts_temp, out_keys, &temp_cache)) return false;
+ }
+ // Add all of the scriptPubKeys to the scriptPubKey set
+ for (const CScript& script : scripts_temp) {
+ m_map_script_pub_keys[script] = i;
+ }
+ for (const auto& pk_pair : out_keys.pubkeys) {
+ const CPubKey& pubkey = pk_pair.second;
+ if (m_map_pubkeys.count(pubkey) != 0) {
+ // We don't need to give an error here.
+ // It doesn't matter which of many valid indexes the pubkey has, we just need an index where we can derive it and it's private key
+ continue;
+ }
+ m_map_pubkeys[pubkey] = i;
+ }
+ // Write the cache
+ for (const auto& parent_xpub_pair : temp_cache.GetCachedParentExtPubKeys()) {
+ CExtPubKey xpub;
+ if (m_wallet_descriptor.cache.GetCachedParentExtPubKey(parent_xpub_pair.first, xpub)) {
+ if (xpub != parent_xpub_pair.second) {
+ throw std::runtime_error(std::string(__func__) + ": New cached parent xpub does not match already cached parent xpub");
+ }
+ continue;
+ }
+ if (!batch.WriteDescriptorParentCache(parent_xpub_pair.second, id, parent_xpub_pair.first)) {
+ throw std::runtime_error(std::string(__func__) + ": writing cache item failed");
+ }
+ m_wallet_descriptor.cache.CacheParentExtPubKey(parent_xpub_pair.first, parent_xpub_pair.second);
+ }
+ for (const auto& derived_xpub_map_pair : temp_cache.GetCachedDerivedExtPubKeys()) {
+ for (const auto& derived_xpub_pair : derived_xpub_map_pair.second) {
+ CExtPubKey xpub;
+ if (m_wallet_descriptor.cache.GetCachedDerivedExtPubKey(derived_xpub_map_pair.first, derived_xpub_pair.first, xpub)) {
+ if (xpub != derived_xpub_pair.second) {
+ throw std::runtime_error(std::string(__func__) + ": New cached derived xpub does not match already cached derived xpub");
+ }
+ continue;
+ }
+ if (!batch.WriteDescriptorDerivedCache(derived_xpub_pair.second, id, derived_xpub_map_pair.first, derived_xpub_pair.first)) {
+ throw std::runtime_error(std::string(__func__) + ": writing cache item failed");
+ }
+ m_wallet_descriptor.cache.CacheDerivedExtPubKey(derived_xpub_map_pair.first, derived_xpub_pair.first, derived_xpub_pair.second);
+ }
+ }
+ m_max_cached_index++;
+ }
+ m_wallet_descriptor.range_end = new_range_end;
+ batch.WriteDescriptor(GetID(), m_wallet_descriptor);
+
+ // By this point, the cache size should be the size of the entire range
+ assert(m_wallet_descriptor.range_end - 1 == m_max_cached_index);
+
+ NotifyCanGetAddressesChanged();
+ return true;
+}
+
+void DescriptorScriptPubKeyMan::MarkUnusedAddresses(const CScript& script)
+{
+ LOCK(cs_desc_man);
+ if (IsMine(script)) {
+ int32_t index = m_map_script_pub_keys[script];
+ if (index >= m_wallet_descriptor.next_index) {
+ WalletLogPrintf("%s: Detected a used keypool item at index %d, mark all keypool items up to this item as used\n", __func__, index);
+ m_wallet_descriptor.next_index = index + 1;
+ }
+ if (!TopUp()) {
+ WalletLogPrintf("%s: Topping up keypool failed (locked wallet)\n", __func__);
+ }
+ }
+}
+
+void DescriptorScriptPubKeyMan::AddDescriptorKey(const CKey& key, const CPubKey &pubkey)
+{
+ LOCK(cs_desc_man);
+ WalletBatch batch(m_storage.GetDatabase());
+ if (!AddDescriptorKeyWithDB(batch, key, pubkey)) {
+ throw std::runtime_error(std::string(__func__) + ": writing descriptor private key failed");
+ }
+}
+
+bool DescriptorScriptPubKeyMan::AddDescriptorKeyWithDB(WalletBatch& batch, const CKey& key, const CPubKey &pubkey)
+{
+ AssertLockHeld(cs_desc_man);
+ assert(!m_storage.IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS));
+
+ if (m_storage.HasEncryptionKeys()) {
+ if (m_storage.IsLocked()) {
+ return false;
+ }
+
+ std::vector<unsigned char> crypted_secret;
+ CKeyingMaterial secret(key.begin(), key.end());
+ if (!EncryptSecret(m_storage.GetEncryptionKey(), secret, pubkey.GetHash(), crypted_secret)) {
+ return false;
+ }
+
+ m_map_crypted_keys[pubkey.GetID()] = make_pair(pubkey, crypted_secret);
+ return batch.WriteCryptedDescriptorKey(GetID(), pubkey, crypted_secret);
+ } else {
+ m_map_keys[pubkey.GetID()] = key;
+ return batch.WriteDescriptorKey(GetID(), pubkey, key.GetPrivKey());
+ }
+}
+
+bool DescriptorScriptPubKeyMan::SetupDescriptorGeneration(const CExtKey& master_key)
+{
+ LOCK(cs_desc_man);
+ assert(m_storage.IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
+
+ // Ignore when there is already a descriptor
+ if (m_wallet_descriptor.descriptor) {
+ return false;
+ }
+
+ int64_t creation_time = GetTime();
+
+ std::string xpub = EncodeExtPubKey(master_key.Neuter());
+
+ // Build descriptor string
+ std::string desc_prefix;
+ std::string desc_suffix = "/*)";
+ switch (m_address_type) {
+ case OutputType::LEGACY: {
+ desc_prefix = "pkh(" + xpub + "/44'";
+ break;
+ }
+ case OutputType::P2SH_SEGWIT: {
+ desc_prefix = "sh(wpkh(" + xpub + "/49'";
+ desc_suffix += ")";
+ break;
+ }
+ case OutputType::BECH32: {
+ desc_prefix = "wpkh(" + xpub + "/84'";
+ break;
+ }
+ default: assert(false);
+ }
+
+ // Mainnet derives at 0', testnet and regtest derive at 1'
+ if (Params().IsTestChain()) {
+ desc_prefix += "/1'";
+ } else {
+ desc_prefix += "/0'";
+ }
+
+ std::string internal_path = m_internal ? "/1" : "/0";
+ std::string desc_str = desc_prefix + "/0'" + internal_path + desc_suffix;
+
+ // Make the descriptor
+ FlatSigningProvider keys;
+ std::string error;
+ std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, error, false);
+ WalletDescriptor w_desc(std::move(desc), creation_time, 0, 0, 0);
+ m_wallet_descriptor = w_desc;
+
+ // Store the master private key, and descriptor
+ WalletBatch batch(m_storage.GetDatabase());
+ if (!AddDescriptorKeyWithDB(batch, master_key.key, master_key.key.GetPubKey())) {
+ throw std::runtime_error(std::string(__func__) + ": writing descriptor master private key failed");
+ }
+ if (!batch.WriteDescriptor(GetID(), m_wallet_descriptor)) {
+ throw std::runtime_error(std::string(__func__) + ": writing descriptor failed");
+ }
+
+ // TopUp
+ TopUp();
+
+ m_storage.UnsetBlankWalletFlag(batch);
+ return true;
+}
+
+bool DescriptorScriptPubKeyMan::IsHDEnabled() const
+{
+ LOCK(cs_desc_man);
+ return m_wallet_descriptor.descriptor->IsRange();
+}
+
+bool DescriptorScriptPubKeyMan::CanGetAddresses(bool internal) const
+{
+ // We can only give out addresses from descriptors that are single type (not combo), ranged,
+ // and either have cached keys or can generate more keys (ignoring encryption)
+ LOCK(cs_desc_man);
+ return m_wallet_descriptor.descriptor->IsSingleType() &&
+ m_wallet_descriptor.descriptor->IsRange() &&
+ (HavePrivateKeys() || m_wallet_descriptor.next_index < m_wallet_descriptor.range_end);
+}
+
+bool DescriptorScriptPubKeyMan::HavePrivateKeys() const
+{
+ LOCK(cs_desc_man);
+ return m_map_keys.size() > 0 || m_map_crypted_keys.size() > 0;
+}
+
+int64_t DescriptorScriptPubKeyMan::GetOldestKeyPoolTime() const
+{
+ // This is only used for getwalletinfo output and isn't relevant to descriptor wallets.
+ // The magic number 0 indicates that it shouldn't be displayed so that's what we return.
+ return 0;
+}
+
+size_t DescriptorScriptPubKeyMan::KeypoolCountExternalKeys() const
+{
+ if (m_internal) {
+ return 0;
+ }
+ return GetKeyPoolSize();
+}
+
+unsigned int DescriptorScriptPubKeyMan::GetKeyPoolSize() const
+{
+ LOCK(cs_desc_man);
+ return m_wallet_descriptor.range_end - m_wallet_descriptor.next_index;
+}
+
+int64_t DescriptorScriptPubKeyMan::GetTimeFirstKey() const
+{
+ LOCK(cs_desc_man);
+ return m_wallet_descriptor.creation_time;
+}
+
+std::unique_ptr<FlatSigningProvider> DescriptorScriptPubKeyMan::GetSigningProvider(const CScript& script, bool include_private) const
+{
+ LOCK(cs_desc_man);
+
+ // Find the index of the script
+ auto it = m_map_script_pub_keys.find(script);
+ if (it == m_map_script_pub_keys.end()) {
+ return nullptr;
+ }
+ int32_t index = it->second;
+
+ return GetSigningProvider(index, include_private);
+}
+
+std::unique_ptr<FlatSigningProvider> DescriptorScriptPubKeyMan::GetSigningProvider(const CPubKey& pubkey) const
+{
+ LOCK(cs_desc_man);
+
+ // Find index of the pubkey
+ auto it = m_map_pubkeys.find(pubkey);
+ if (it == m_map_pubkeys.end()) {
+ return nullptr;
+ }
+ int32_t index = it->second;
+
+ // Always try to get the signing provider with private keys. This function should only be called during signing anyways
+ return GetSigningProvider(index, true);
+}
+
+std::unique_ptr<FlatSigningProvider> DescriptorScriptPubKeyMan::GetSigningProvider(int32_t index, bool include_private) const
+{
+ AssertLockHeld(cs_desc_man);
+ // Get the scripts, keys, and key origins for this script
+ std::unique_ptr<FlatSigningProvider> out_keys = MakeUnique<FlatSigningProvider>();
+ std::vector<CScript> scripts_temp;
+ if (!m_wallet_descriptor.descriptor->ExpandFromCache(index, m_wallet_descriptor.cache, scripts_temp, *out_keys)) return nullptr;
+
+ if (HavePrivateKeys() && include_private) {
+ FlatSigningProvider master_provider;
+ master_provider.keys = GetKeys();
+ m_wallet_descriptor.descriptor->ExpandPrivate(index, master_provider, *out_keys);
+ }
+
+ return out_keys;
+}
+
+std::unique_ptr<SigningProvider> DescriptorScriptPubKeyMan::GetSolvingProvider(const CScript& script) const
+{
+ return GetSigningProvider(script, false);
+}
+
+bool DescriptorScriptPubKeyMan::CanProvide(const CScript& script, SignatureData& sigdata)
+{
+ return IsMine(script);
+}
+
+bool DescriptorScriptPubKeyMan::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors) const
+{
+ std::unique_ptr<FlatSigningProvider> keys = MakeUnique<FlatSigningProvider>();
+ for (const auto& coin_pair : coins) {
+ std::unique_ptr<FlatSigningProvider> coin_keys = GetSigningProvider(coin_pair.second.out.scriptPubKey, true);
+ if (!coin_keys) {
+ continue;
+ }
+ *keys = Merge(*keys, *coin_keys);
+ }
+
+ return ::SignTransaction(tx, keys.get(), coins, sighash, input_errors);
+}
+
+SigningResult DescriptorScriptPubKeyMan::SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const
+{
+ std::unique_ptr<FlatSigningProvider> keys = GetSigningProvider(GetScriptForDestination(pkhash), true);
+ if (!keys) {
+ return SigningResult::PRIVATE_KEY_NOT_AVAILABLE;
+ }
+
+ CKeyID key_id(pkhash);
+ CKey key;
+ if (!keys->GetKey(key_id, key)) {
+ return SigningResult::PRIVATE_KEY_NOT_AVAILABLE;
+ }
+
+ if (!MessageSign(key, message, str_sig)) {
+ return SigningResult::SIGNING_FAILED;
+ }
+ return SigningResult::OK;
+}
+
+TransactionError DescriptorScriptPubKeyMan::FillPSBT(PartiallySignedTransaction& psbtx, int sighash_type, bool sign, bool bip32derivs) const
+{
+ for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
+ const CTxIn& txin = psbtx.tx->vin[i];
+ PSBTInput& input = psbtx.inputs.at(i);
+
+ if (PSBTInputSigned(input)) {
+ continue;
+ }
+
+ // Verify input looks sane. This will check that we have at most one uxto, witness or non-witness.
+ if (!input.IsSane()) {
+ return TransactionError::INVALID_PSBT;
+ }
+
+ // Get the Sighash type
+ if (sign && input.sighash_type > 0 && input.sighash_type != sighash_type) {
+ return TransactionError::SIGHASH_MISMATCH;
+ }
+
+ // Get the scriptPubKey to know which SigningProvider to use
+ CScript script;
+ if (!input.witness_utxo.IsNull()) {
+ script = input.witness_utxo.scriptPubKey;
+ } else if (input.non_witness_utxo) {
+ if (txin.prevout.n >= input.non_witness_utxo->vout.size()) {
+ return TransactionError::MISSING_INPUTS;
+ }
+ script = input.non_witness_utxo->vout[txin.prevout.n].scriptPubKey;
+ } else {
+ // There's no UTXO so we can just skip this now
+ continue;
+ }
+ SignatureData sigdata;
+ input.FillSignatureData(sigdata);
+
+ std::unique_ptr<FlatSigningProvider> keys = MakeUnique<FlatSigningProvider>();
+ std::unique_ptr<FlatSigningProvider> script_keys = GetSigningProvider(script, sign);
+ if (script_keys) {
+ *keys = Merge(*keys, *script_keys);
+ } else {
+ // Maybe there are pubkeys listed that we can sign for
+ script_keys = MakeUnique<FlatSigningProvider>();
+ for (const auto& pk_pair : input.hd_keypaths) {
+ const CPubKey& pubkey = pk_pair.first;
+ std::unique_ptr<FlatSigningProvider> pk_keys = GetSigningProvider(pubkey);
+ if (pk_keys) {
+ *keys = Merge(*keys, *pk_keys);
+ }
+ }
+ }
+
+ SignPSBTInput(HidingSigningProvider(keys.get(), !sign, !bip32derivs), psbtx, i, sighash_type);
+ }
+
+ // Fill in the bip32 keypaths and redeemscripts for the outputs so that hardware wallets can identify change
+ for (unsigned int i = 0; i < psbtx.tx->vout.size(); ++i) {
+ std::unique_ptr<SigningProvider> keys = GetSolvingProvider(psbtx.tx->vout.at(i).scriptPubKey);
+ if (!keys) {
+ continue;
+ }
+ UpdatePSBTOutput(HidingSigningProvider(keys.get(), true, !bip32derivs), psbtx, i);
+ }
+
+ return TransactionError::OK;
+}
+
+std::unique_ptr<CKeyMetadata> DescriptorScriptPubKeyMan::GetMetadata(const CTxDestination& dest) const
+{
+ std::unique_ptr<SigningProvider> provider = GetSigningProvider(GetScriptForDestination(dest));
+ if (provider) {
+ KeyOriginInfo orig;
+ CKeyID key_id = GetKeyForDestination(*provider, dest);
+ if (provider->GetKeyOrigin(key_id, orig)) {
+ LOCK(cs_desc_man);
+ std::unique_ptr<CKeyMetadata> meta = MakeUnique<CKeyMetadata>();
+ meta->key_origin = orig;
+ meta->has_key_origin = true;
+ meta->nCreateTime = m_wallet_descriptor.creation_time;
+ return meta;
+ }
+ }
+ return nullptr;
+}
+
+uint256 DescriptorScriptPubKeyMan::GetID() const
+{
+ LOCK(cs_desc_man);
+ std::string desc_str = m_wallet_descriptor.descriptor->ToString();
+ uint256 id;
+ CSHA256().Write((unsigned char*)desc_str.data(), desc_str.size()).Finalize(id.begin());
+ return id;
+}
+
+void DescriptorScriptPubKeyMan::SetType(OutputType type, bool internal)
+{
+ this->m_address_type = type;
+ this->m_internal = internal;
+}
+
+void DescriptorScriptPubKeyMan::SetCache(const DescriptorCache& cache)
+{
+ LOCK(cs_desc_man);
+ m_wallet_descriptor.cache = cache;
+ for (int32_t i = m_wallet_descriptor.range_start; i < m_wallet_descriptor.range_end; ++i) {
+ FlatSigningProvider out_keys;
+ std::vector<CScript> scripts_temp;
+ if (!m_wallet_descriptor.descriptor->ExpandFromCache(i, m_wallet_descriptor.cache, scripts_temp, out_keys)) {
+ throw std::runtime_error("Error: Unable to expand wallet descriptor from cache");
+ }
+ // Add all of the scriptPubKeys to the scriptPubKey set
+ for (const CScript& script : scripts_temp) {
+ if (m_map_script_pub_keys.count(script) != 0) {
+ throw std::runtime_error(strprintf("Error: Already loaded script at index %d as being at index %d", i, m_map_script_pub_keys[script]));
+ }
+ m_map_script_pub_keys[script] = i;
+ }
+ for (const auto& pk_pair : out_keys.pubkeys) {
+ const CPubKey& pubkey = pk_pair.second;
+ if (m_map_pubkeys.count(pubkey) != 0) {
+ // We don't need to give an error here.
+ // It doesn't matter which of many valid indexes the pubkey has, we just need an index where we can derive it and it's private key
+ continue;
+ }
+ m_map_pubkeys[pubkey] = i;
+ }
+ m_max_cached_index++;
+ }
+}
+
+bool DescriptorScriptPubKeyMan::AddKey(const CKeyID& key_id, const CKey& key)
+{
+ LOCK(cs_desc_man);
+ m_map_keys[key_id] = key;
+ return true;
+}
+
+bool DescriptorScriptPubKeyMan::AddCryptedKey(const CKeyID& key_id, const CPubKey& pubkey, const std::vector<unsigned char>& crypted_key)
+{
+ LOCK(cs_desc_man);
+ if (!m_map_keys.empty()) {
+ return false;
+ }
+
+ m_map_crypted_keys[key_id] = make_pair(pubkey, crypted_key);
+ return true;
+}
+
+bool DescriptorScriptPubKeyMan::HasWalletDescriptor(const WalletDescriptor& desc) const
+{
+ LOCK(cs_desc_man);
+ return m_wallet_descriptor.descriptor != nullptr && desc.descriptor != nullptr && m_wallet_descriptor.descriptor->ToString() == desc.descriptor->ToString();
+}
+
+void DescriptorScriptPubKeyMan::WriteDescriptor()
+{
+ LOCK(cs_desc_man);
+ WalletBatch batch(m_storage.GetDatabase());
+ if (!batch.WriteDescriptor(GetID(), m_wallet_descriptor)) {
+ throw std::runtime_error(std::string(__func__) + ": writing descriptor failed");
+ }
+}
+
+const WalletDescriptor DescriptorScriptPubKeyMan::GetWalletDescriptor() const
+{
+ return m_wallet_descriptor;
+}
+
+const std::vector<CScript> DescriptorScriptPubKeyMan::GetScriptPubKeys() const
+{
+ LOCK(cs_desc_man);
+ std::vector<CScript> script_pub_keys;
+ script_pub_keys.reserve(m_map_script_pub_keys.size());
+
+ for (auto const& script_pub_key: m_map_script_pub_keys) {
+ script_pub_keys.push_back(script_pub_key.first);
+ }
+ return script_pub_keys;
+}
diff --git a/src/wallet/scriptpubkeyman.h b/src/wallet/scriptpubkeyman.h
index 8512eadf31..3117b13d35 100644
--- a/src/wallet/scriptpubkeyman.h
+++ b/src/wallet/scriptpubkeyman.h
@@ -6,6 +6,7 @@
#define BITCOIN_WALLET_SCRIPTPUBKEYMAN_H
#include <psbt.h>
+#include <script/descriptor.h>
#include <script/signingprovider.h>
#include <script/standard.h>
#include <util/error.h>
@@ -204,7 +205,7 @@ public:
virtual int64_t GetTimeFirstKey() const { return 0; }
- virtual const CKeyMetadata* GetMetadata(const CTxDestination& dest) const { return nullptr; }
+ virtual std::unique_ptr<CKeyMetadata> GetMetadata(const CTxDestination& dest) const { return nullptr; }
virtual std::unique_ptr<SigningProvider> GetSolvingProvider(const CScript& script) const { return nullptr; }
@@ -222,6 +223,8 @@ public:
virtual uint256 GetID() const { return uint256(); }
+ virtual void SetType(OutputType type, bool internal) {}
+
/** Prepends the wallet name in logging output to ease debugging in multi-wallet use cases */
template<typename... Params>
void WalletLogPrintf(std::string fmt, Params... parameters) const {
@@ -352,7 +355,7 @@ public:
int64_t GetTimeFirstKey() const override;
- const CKeyMetadata* GetMetadata(const CTxDestination& dest) const override;
+ std::unique_ptr<CKeyMetadata> GetMetadata(const CTxDestination& dest) const override;
bool CanGetAddresses(bool internal = false) const override;
@@ -366,6 +369,8 @@ public:
uint256 GetID() const override;
+ void SetType(OutputType type, bool internal) override;
+
// Map from Key ID to key metadata.
std::map<CKeyID, CKeyMetadata> mapKeyMetadata GUARDED_BY(cs_KeyStore);
@@ -477,4 +482,111 @@ public:
bool GetKeyOrigin(const CKeyID& keyid, KeyOriginInfo& info) const override { return m_spk_man.GetKeyOrigin(keyid, info); }
};
+class DescriptorScriptPubKeyMan : public ScriptPubKeyMan
+{
+private:
+ WalletDescriptor m_wallet_descriptor GUARDED_BY(cs_desc_man);
+
+ using ScriptPubKeyMap = std::map<CScript, int32_t>; // Map of scripts to descriptor range index
+ using PubKeyMap = std::map<CPubKey, int32_t>; // Map of pubkeys involved in scripts to descriptor range index
+ using CryptedKeyMap = std::map<CKeyID, std::pair<CPubKey, std::vector<unsigned char>>>;
+ using KeyMap = std::map<CKeyID, CKey>;
+
+ ScriptPubKeyMap m_map_script_pub_keys GUARDED_BY(cs_desc_man);
+ PubKeyMap m_map_pubkeys GUARDED_BY(cs_desc_man);
+ int32_t m_max_cached_index = -1;
+
+ OutputType m_address_type;
+ bool m_internal;
+
+ KeyMap m_map_keys GUARDED_BY(cs_desc_man);
+ CryptedKeyMap m_map_crypted_keys GUARDED_BY(cs_desc_man);
+
+ bool SetCrypted();
+
+ //! keeps track of whether Unlock has run a thorough check before
+ bool m_decryption_thoroughly_checked = false;
+
+ bool AddDescriptorKeyWithDB(WalletBatch& batch, const CKey& key, const CPubKey &pubkey);
+
+ KeyMap GetKeys() const EXCLUSIVE_LOCKS_REQUIRED(cs_desc_man);
+
+ // Fetch the SigningProvider for the given script and optionally include private keys
+ std::unique_ptr<FlatSigningProvider> GetSigningProvider(const CScript& script, bool include_private = false) const;
+ // Fetch the SigningProvider for the given pubkey and always include private keys. This should only be called by signing code.
+ std::unique_ptr<FlatSigningProvider> GetSigningProvider(const CPubKey& pubkey) const;
+ // Fetch the SigningProvider for a given index and optionally include private keys. Called by the above functions.
+ std::unique_ptr<FlatSigningProvider> GetSigningProvider(int32_t index, bool include_private = false) const EXCLUSIVE_LOCKS_REQUIRED(cs_desc_man);
+
+public:
+ DescriptorScriptPubKeyMan(WalletStorage& storage, WalletDescriptor& descriptor)
+ : ScriptPubKeyMan(storage),
+ m_wallet_descriptor(descriptor)
+ {}
+ DescriptorScriptPubKeyMan(WalletStorage& storage, OutputType address_type, bool internal)
+ : ScriptPubKeyMan(storage),
+ m_address_type(address_type), m_internal(internal)
+ {}
+
+ mutable RecursiveMutex cs_desc_man;
+
+ bool GetNewDestination(const OutputType type, CTxDestination& dest, std::string& error) override;
+ isminetype IsMine(const CScript& script) const override;
+
+ bool CheckDecryptionKey(const CKeyingMaterial& master_key, bool accept_no_keys = false) override;
+ bool Encrypt(const CKeyingMaterial& master_key, WalletBatch* batch) override;
+
+ bool GetReservedDestination(const OutputType type, bool internal, CTxDestination& address, int64_t& index, CKeyPool& keypool) override;
+ void ReturnDestination(int64_t index, bool internal, const CTxDestination& addr) override;
+
+ // Tops up the descriptor cache and m_map_script_pub_keys. The cache is stored in the wallet file
+ // and is used to expand the descriptor in GetNewDestination. DescriptorScriptPubKeyMan relies
+ // more on ephemeral data than LegacyScriptPubKeyMan. For wallets using unhardened derivation
+ // (with or without private keys), the "keypool" is a single xpub.
+ bool TopUp(unsigned int size = 0) override;
+
+ void MarkUnusedAddresses(const CScript& script) override;
+
+ bool IsHDEnabled() const override;
+
+ //! Setup descriptors based on the given CExtkey
+ bool SetupDescriptorGeneration(const CExtKey& master_key);
+
+ bool HavePrivateKeys() const override;
+
+ int64_t GetOldestKeyPoolTime() const override;
+ size_t KeypoolCountExternalKeys() const override;
+ unsigned int GetKeyPoolSize() const override;
+
+ int64_t GetTimeFirstKey() const override;
+
+ std::unique_ptr<CKeyMetadata> GetMetadata(const CTxDestination& dest) const override;
+
+ bool CanGetAddresses(bool internal = false) const override;
+
+ std::unique_ptr<SigningProvider> GetSolvingProvider(const CScript& script) const override;
+
+ bool CanProvide(const CScript& script, SignatureData& sigdata) override;
+
+ bool SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors) const override;
+ SigningResult SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const override;
+ TransactionError FillPSBT(PartiallySignedTransaction& psbt, int sighash_type = 1 /* SIGHASH_ALL */, bool sign = true, bool bip32derivs = false) const override;
+
+ uint256 GetID() const override;
+
+ void SetType(OutputType type, bool internal) override;
+
+ void SetCache(const DescriptorCache& cache);
+
+ bool AddKey(const CKeyID& key_id, const CKey& key);
+ bool AddCryptedKey(const CKeyID& key_id, const CPubKey& pubkey, const std::vector<unsigned char>& crypted_key);
+
+ bool HasWalletDescriptor(const WalletDescriptor& desc) const;
+ void AddDescriptorKey(const CKey& key, const CPubKey &pubkey);
+ void WriteDescriptor();
+
+ const WalletDescriptor GetWalletDescriptor() const EXCLUSIVE_LOCKS_REQUIRED(cs_desc_man);
+ const std::vector<CScript> GetScriptPubKeys() const;
+};
+
#endif // BITCOIN_WALLET_SCRIPTPUBKEYMAN_H
diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp
index 42ae738207..2bdeb89f3c 100644
--- a/src/wallet/test/wallet_tests.cpp
+++ b/src/wallet/test/wallet_tests.cpp
@@ -637,4 +637,25 @@ BOOST_FIXTURE_TEST_CASE(dummy_input_size_test, TestChain100Setup)
BOOST_CHECK_EQUAL(CalculateNestedKeyhashInputSize(true), DUMMY_NESTED_P2WPKH_INPUT_SIZE);
}
+bool malformed_descriptor(std::ios_base::failure e)
+{
+ std::string s(e.what());
+ return s.find("Missing checksum") != std::string::npos;
+}
+
+BOOST_FIXTURE_TEST_CASE(wallet_descriptor_test, BasicTestingSetup)
+{
+ std::vector<unsigned char> malformed_record;
+ CVectorWriter vw(0, 0, malformed_record, 0);
+ vw << std::string("notadescriptor");
+ vw << (uint64_t)0;
+ vw << (int32_t)0;
+ vw << (int32_t)0;
+ vw << (int32_t)1;
+
+ VectorReader vr(0, 0, malformed_record, 0);
+ WalletDescriptor w_desc;
+ BOOST_CHECK_EXCEPTION(vr >> w_desc, std::ios_base::failure, malformed_descriptor);
+}
+
BOOST_AUTO_TEST_SUITE_END()
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 7a6deab1a8..b6f25de64e 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -228,10 +228,14 @@ WalletCreationStatus CreateWallet(interfaces::Chain& chain, const SecureString&
// Set a seed for the wallet
{
LOCK(wallet->cs_wallet);
- for (auto spk_man : wallet->GetActiveScriptPubKeyMans()) {
- if (!spk_man->SetupGeneration()) {
- error = "Unable to generate initial keys";
- return WalletCreationStatus::CREATION_FAILED;
+ if (wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
+ wallet->SetupDescriptorScriptPubKeyMans();
+ } else {
+ for (auto spk_man : wallet->GetActiveScriptPubKeyMans()) {
+ if (!spk_man->SetupGeneration()) {
+ error = "Unable to generate initial keys";
+ return WalletCreationStatus::CREATION_FAILED;
+ }
}
}
}
@@ -588,8 +592,11 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
Lock();
Unlock(strWalletPassphrase);
- // if we are using HD, replace the HD seed with a new one
- if (auto spk_man = GetLegacyScriptPubKeyMan()) {
+ // If we are using descriptors, make new descriptors with a new seed
+ if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS) && !IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET)) {
+ SetupDescriptorScriptPubKeyMans();
+ } else if (auto spk_man = GetLegacyScriptPubKeyMan()) {
+ // if we are using HD, replace the HD seed with a new one
if (spk_man->IsHDEnabled()) {
if (!spk_man->SetupGeneration(true)) {
return false;
@@ -747,22 +754,29 @@ bool CWallet::IsSpentKey(const uint256& hash, unsigned int n) const
const CWalletTx* srctx = GetWalletTx(hash);
if (srctx) {
assert(srctx->tx->vout.size() > n);
- LegacyScriptPubKeyMan* spk_man = GetLegacyScriptPubKeyMan();
- // When descriptor wallets arrive, these additional checks are
- // likely superfluous and can be optimized out
- assert(spk_man != nullptr);
- for (const auto& keyid : GetAffectedKeys(srctx->tx->vout[n].scriptPubKey, *spk_man)) {
- WitnessV0KeyHash wpkh_dest(keyid);
- if (GetDestData(wpkh_dest, "used", nullptr)) {
- return true;
- }
- ScriptHash sh_wpkh_dest(GetScriptForDestination(wpkh_dest));
- if (GetDestData(sh_wpkh_dest, "used", nullptr)) {
- return true;
- }
- PKHash pkh_dest(keyid);
- if (GetDestData(pkh_dest, "used", nullptr)) {
- return true;
+ CTxDestination dest;
+ if (!ExtractDestination(srctx->tx->vout[n].scriptPubKey, dest)) {
+ return false;
+ }
+ if (GetDestData(dest, "used", nullptr)) {
+ return true;
+ }
+ if (IsLegacy()) {
+ LegacyScriptPubKeyMan* spk_man = GetLegacyScriptPubKeyMan();
+ assert(spk_man != nullptr);
+ for (const auto& keyid : GetAffectedKeys(srctx->tx->vout[n].scriptPubKey, *spk_man)) {
+ WitnessV0KeyHash wpkh_dest(keyid);
+ if (GetDestData(wpkh_dest, "used", nullptr)) {
+ return true;
+ }
+ ScriptHash sh_wpkh_dest(GetScriptForDestination(wpkh_dest));
+ if (GetDestData(sh_wpkh_dest, "used", nullptr)) {
+ return true;
+ }
+ PKHash pkh_dest(keyid);
+ if (GetDestData(pkh_dest, "used", nullptr)) {
+ return true;
+ }
}
}
}
@@ -1331,9 +1345,10 @@ CAmount CWallet::GetChange(const CTransaction& tx) const
bool CWallet::IsHDEnabled() const
{
+ // All Active ScriptPubKeyMans must be HD for this to be true
bool result = true;
- for (const auto& spk_man_pair : m_spk_managers) {
- result &= spk_man_pair.second->IsHDEnabled();
+ for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
+ result &= spk_man->IsHDEnabled();
}
return result;
}
@@ -2427,11 +2442,17 @@ bool CWallet::SignTransaction(CMutableTransaction& tx) const
bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, std::string>& input_errors) const
{
- // Sign the tx with ScriptPubKeyMans
- // Because each ScriptPubKeyMan can sign more than one input, we need to keep track of each ScriptPubKeyMan that has signed this transaction.
- // Each iteration, we may sign more txins than the txin that is specified in that iteration.
- // We assume that each input is signed by only one ScriptPubKeyMan.
- std::set<uint256> visited_spk_mans;
+ // Try to sign with all ScriptPubKeyMans
+ for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
+ // spk_man->SignTransaction will return true if the transaction is complete,
+ // so we can exit early and return true if that happens
+ if (spk_man->SignTransaction(tx, coins, sighash, input_errors)) {
+ return true;
+ }
+ }
+
+ // At this point, one input was not fully signed otherwise we would have exited already
+ // Find that input and figure out what went wrong.
for (unsigned int i = 0; i < tx.vin.size(); i++) {
// Get the prevout
CTxIn& txin = tx.vin[i];
@@ -2443,33 +2464,10 @@ bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint,
// Check if this input is complete
SignatureData sigdata = DataFromTransaction(tx, i, coin->second.out);
- if (sigdata.complete) {
- continue;
- }
-
- // Input needs to be signed, find the right ScriptPubKeyMan
- std::set<ScriptPubKeyMan*> spk_mans = GetScriptPubKeyMans(coin->second.out.scriptPubKey, sigdata);
- if (spk_mans.size() == 0) {
+ if (!sigdata.complete) {
input_errors[i] = "Unable to sign input, missing keys";
continue;
}
-
- for (auto& spk_man : spk_mans) {
- // If we've already been signed by this spk_man, skip it
- if (visited_spk_mans.count(spk_man->GetID()) > 0) {
- continue;
- }
-
- // Sign the tx.
- // spk_man->SignTransaction will return true if the transaction is complete,
- // so we can exit early and return true if that happens.
- if (spk_man->SignTransaction(tx, coins, sighash, input_errors)) {
- return true;
- }
-
- // Add this spk_man to visited_spk_mans so we can skip it later
- visited_spk_mans.insert(spk_man->GetID());
- }
}
return false;
}
@@ -2505,52 +2503,10 @@ TransactionError CWallet::FillPSBT(PartiallySignedTransaction& psbtx, bool& comp
}
// Fill in information from ScriptPubKeyMans
- // Because each ScriptPubKeyMan may be able to fill more than one input, we need to keep track of each ScriptPubKeyMan that has filled this psbt.
- // Each iteration, we may fill more inputs than the input that is specified in that iteration.
- // We assume that each input is filled by only one ScriptPubKeyMan
- std::set<uint256> visited_spk_mans;
- for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
- const CTxIn& txin = psbtx.tx->vin[i];
- PSBTInput& input = psbtx.inputs.at(i);
-
- if (PSBTInputSigned(input)) {
- continue;
- }
-
- // Get the scriptPubKey to know which ScriptPubKeyMan to use
- CScript script;
- if (!input.witness_utxo.IsNull()) {
- script = input.witness_utxo.scriptPubKey;
- } else if (input.non_witness_utxo) {
- if (txin.prevout.n >= input.non_witness_utxo->vout.size()) {
- return TransactionError::MISSING_INPUTS;
- }
- script = input.non_witness_utxo->vout[txin.prevout.n].scriptPubKey;
- } else {
- // There's no UTXO so we can just skip this now
- continue;
- }
- SignatureData sigdata;
- input.FillSignatureData(sigdata);
- std::set<ScriptPubKeyMan*> spk_mans = GetScriptPubKeyMans(script, sigdata);
- if (spk_mans.size() == 0) {
- continue;
- }
-
- for (auto& spk_man : spk_mans) {
- // If we've already been signed by this spk_man, skip it
- if (visited_spk_mans.count(spk_man->GetID()) > 0) {
- continue;
- }
-
- // Fill in the information from the spk_man
- TransactionError res = spk_man->FillPSBT(psbtx, sighash_type, sign, bip32derivs);
- if (res != TransactionError::OK) {
- return res;
- }
-
- // Add this spk_man to visited_spk_mans so we can skip it later
- visited_spk_mans.insert(spk_man->GetID());
+ for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
+ TransactionError res = spk_man->FillPSBT(psbtx, sighash_type, sign, bip32derivs);
+ if (res != TransactionError::OK) {
+ return res;
}
}
@@ -3278,6 +3234,8 @@ bool CWallet::GetNewDestination(const OutputType type, const std::string label,
if (spk_man) {
spk_man->TopUp();
result = spk_man->GetNewDestination(type, dest, error);
+ } else {
+ error = strprintf("Error: No %s addresses available.", FormatOutputType(type));
}
if (result) {
SetAddressBook(dest, label, "receive");
@@ -3834,15 +3792,23 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(interfaces::Chain& chain,
walletInstance->SetWalletFlags(wallet_creation_flags, false);
- // Always create LegacyScriptPubKeyMan for now
- walletInstance->SetupLegacyScriptPubKeyMan();
+ // Only create LegacyScriptPubKeyMan when not descriptor wallet
+ if (!walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
+ walletInstance->SetupLegacyScriptPubKeyMan();
+ }
if (!(wallet_creation_flags & (WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET))) {
LOCK(walletInstance->cs_wallet);
- for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
- if (!spk_man->SetupGeneration()) {
- error = _("Unable to generate initial keys").translated;
- return nullptr;
+ if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
+ walletInstance->SetupDescriptorScriptPubKeyMans();
+ // SetupDescriptorScriptPubKeyMans already calls SetupGeneration for us so we don't need to call SetupGeneration separately
+ } else {
+ // Legacy wallets need SetupGeneration here.
+ for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
+ if (!spk_man->SetupGeneration()) {
+ error = _("Unable to generate initial keys").translated;
+ return nullptr;
+ }
}
}
}
@@ -4353,6 +4319,9 @@ std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& scri
LegacyScriptPubKeyMan* CWallet::GetLegacyScriptPubKeyMan() const
{
+ if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
+ return nullptr;
+ }
// Legacy wallets only have one ScriptPubKeyMan which is a LegacyScriptPubKeyMan.
// Everything in m_internal_spk_managers and m_external_spk_managers point to the same legacyScriptPubKeyMan.
auto it = m_internal_spk_managers.find(OutputType::LEGACY);
@@ -4368,7 +4337,7 @@ LegacyScriptPubKeyMan* CWallet::GetOrCreateLegacyScriptPubKeyMan()
void CWallet::SetupLegacyScriptPubKeyMan()
{
- if (!m_internal_spk_managers.empty() || !m_external_spk_managers.empty() || !m_spk_managers.empty()) {
+ if (!m_internal_spk_managers.empty() || !m_external_spk_managers.empty() || !m_spk_managers.empty() || IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
return;
}
@@ -4397,3 +4366,153 @@ void CWallet::ConnectScriptPubKeyManNotifiers()
spk_man->NotifyCanGetAddressesChanged.connect(NotifyCanGetAddressesChanged);
}
}
+
+void CWallet::LoadDescriptorScriptPubKeyMan(uint256 id, WalletDescriptor& desc)
+{
+ auto spk_manager = std::unique_ptr<ScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, desc));
+ m_spk_managers[id] = std::move(spk_manager);
+}
+
+void CWallet::SetupDescriptorScriptPubKeyMans()
+{
+ AssertLockHeld(cs_wallet);
+
+ // Make a seed
+ CKey seed_key;
+ seed_key.MakeNewKey(true);
+ CPubKey seed = seed_key.GetPubKey();
+ assert(seed_key.VerifyPubKey(seed));
+
+ // Get the extended key
+ CExtKey master_key;
+ master_key.SetSeed(seed_key.begin(), seed_key.size());
+
+ for (bool internal : {false, true}) {
+ for (OutputType t : OUTPUT_TYPES) {
+ auto spk_manager = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, t, internal));
+ if (IsCrypted()) {
+ if (IsLocked()) {
+ throw std::runtime_error(std::string(__func__) + ": Wallet is locked, cannot setup new descriptors");
+ }
+ if (!spk_manager->CheckDecryptionKey(vMasterKey) && !spk_manager->Encrypt(vMasterKey, nullptr)) {
+ throw std::runtime_error(std::string(__func__) + ": Could not encrypt new descriptors");
+ }
+ }
+ spk_manager->SetupDescriptorGeneration(master_key);
+ uint256 id = spk_manager->GetID();
+ m_spk_managers[id] = std::move(spk_manager);
+ SetActiveScriptPubKeyMan(id, t, internal);
+ }
+ }
+}
+
+void CWallet::SetActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal, bool memonly)
+{
+ WalletLogPrintf("Setting spkMan to active: id = %s, type = %d, internal = %d\n", id.ToString(), static_cast<int>(type), static_cast<int>(internal));
+ auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
+ auto spk_man = m_spk_managers.at(id).get();
+ spk_man->SetType(type, internal);
+ spk_mans[type] = spk_man;
+
+ if (!memonly) {
+ WalletBatch batch(*database);
+ if (!batch.WriteActiveScriptPubKeyMan(static_cast<uint8_t>(type), id, internal)) {
+ throw std::runtime_error(std::string(__func__) + ": writing active ScriptPubKeyMan id failed");
+ }
+ }
+ NotifyCanGetAddressesChanged();
+}
+
+bool CWallet::IsLegacy() const
+{
+ if (m_internal_spk_managers.count(OutputType::LEGACY) == 0) {
+ return false;
+ }
+ auto spk_man = dynamic_cast<LegacyScriptPubKeyMan*>(m_internal_spk_managers.at(OutputType::LEGACY));
+ return spk_man != nullptr;
+}
+
+DescriptorScriptPubKeyMan* CWallet::GetDescriptorScriptPubKeyMan(const WalletDescriptor& desc) const
+{
+ for (auto& spk_man_pair : m_spk_managers) {
+ // Try to downcast to DescriptorScriptPubKeyMan then check if the descriptors match
+ DescriptorScriptPubKeyMan* spk_manager = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man_pair.second.get());
+ if (spk_manager != nullptr && spk_manager->HasWalletDescriptor(desc)) {
+ return spk_manager;
+ }
+ }
+
+ return nullptr;
+}
+
+ScriptPubKeyMan* CWallet::AddWalletDescriptor(WalletDescriptor& desc, const FlatSigningProvider& signing_provider, const std::string& label)
+{
+ if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
+ WalletLogPrintf("Cannot add WalletDescriptor to a non-descriptor wallet\n");
+ return nullptr;
+ }
+
+ LOCK(cs_wallet);
+ auto new_spk_man = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, desc));
+
+ // If we already have this descriptor, remove it from the maps but add the existing cache to desc
+ auto old_spk_man = GetDescriptorScriptPubKeyMan(desc);
+ if (old_spk_man) {
+ WalletLogPrintf("Update existing descriptor: %s\n", desc.descriptor->ToString());
+
+ {
+ LOCK(old_spk_man->cs_desc_man);
+ new_spk_man->SetCache(old_spk_man->GetWalletDescriptor().cache);
+ }
+
+ // Remove from maps of active spkMans
+ auto old_spk_man_id = old_spk_man->GetID();
+ for (bool internal : {false, true}) {
+ for (OutputType t : OUTPUT_TYPES) {
+ auto active_spk_man = GetScriptPubKeyMan(t, internal);
+ if (active_spk_man && active_spk_man->GetID() == old_spk_man_id) {
+ if (internal) {
+ m_internal_spk_managers.erase(t);
+ } else {
+ m_external_spk_managers.erase(t);
+ }
+ break;
+ }
+ }
+ }
+ m_spk_managers.erase(old_spk_man_id);
+ }
+
+ // Add the private keys to the descriptor
+ for (const auto& entry : signing_provider.keys) {
+ const CKey& key = entry.second;
+ new_spk_man->AddDescriptorKey(key, key.GetPubKey());
+ }
+
+ // Top up key pool, the manager will generate new scriptPubKeys internally
+ new_spk_man->TopUp();
+
+ // Apply the label if necessary
+ // Note: we disable labels for ranged descriptors
+ if (!desc.descriptor->IsRange()) {
+ auto script_pub_keys = new_spk_man->GetScriptPubKeys();
+ if (script_pub_keys.empty()) {
+ WalletLogPrintf("Could not generate scriptPubKeys (cache is empty)\n");
+ return nullptr;
+ }
+
+ CTxDestination dest;
+ if (ExtractDestination(script_pub_keys.at(0), dest)) {
+ SetAddressBook(dest, label, "receive");
+ }
+ }
+
+ // Save the descriptor to memory
+ auto ret = new_spk_man.get();
+ m_spk_managers[new_spk_man->GetID()] = std::move(new_spk_man);
+
+ // Save the descriptor to DB
+ ret->WriteDescriptor();
+
+ return ret;
+}
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 176c483572..24c78fceb3 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -111,7 +111,8 @@ static constexpr uint64_t KNOWN_WALLET_FLAGS =
WALLET_FLAG_AVOID_REUSE
| WALLET_FLAG_BLANK_WALLET
| WALLET_FLAG_KEY_ORIGIN_METADATA
- | WALLET_FLAG_DISABLE_PRIVATE_KEYS;
+ | WALLET_FLAG_DISABLE_PRIVATE_KEYS
+ | WALLET_FLAG_DESCRIPTORS;
static constexpr uint64_t MUTABLE_WALLET_FLAGS =
WALLET_FLAG_AVOID_REUSE;
@@ -121,6 +122,7 @@ static const std::map<std::string,WalletFlags> WALLET_FLAG_MAP{
{"blank", WALLET_FLAG_BLANK_WALLET},
{"key_origin_metadata", WALLET_FLAG_KEY_ORIGIN_METADATA},
{"disable_private_keys", WALLET_FLAG_DISABLE_PRIVATE_KEYS},
+ {"descriptor_wallet", WALLET_FLAG_DESCRIPTORS},
};
extern const std::map<uint64_t,std::string> WALLET_FLAG_CAVEATS;
@@ -1163,6 +1165,9 @@ public:
returns false if unknown, non-tolerable flags are present */
bool SetWalletFlags(uint64_t overwriteFlags, bool memOnly);
+ /** Determine if we are a legacy wallet */
+ bool IsLegacy() const;
+
/** Returns a bracketed wallet name for displaying in logs, will return [default wallet] if the wallet has no name */
const std::string GetDisplayName() const override {
std::string wallet_name = GetName().length() == 0 ? "default wallet" : GetName();
@@ -1232,6 +1237,25 @@ public:
//! Connect the signals from ScriptPubKeyMans to the signals in CWallet
void ConnectScriptPubKeyManNotifiers();
+
+ //! Instantiate a descriptor ScriptPubKeyMan from the WalletDescriptor and load it
+ void LoadDescriptorScriptPubKeyMan(uint256 id, WalletDescriptor& desc);
+
+ //! Sets the active ScriptPubKeyMan for the specified type and internal
+ //! @param[in] id The unique id for the ScriptPubKeyMan
+ //! @param[in] type The OutputType this ScriptPubKeyMan provides addresses for
+ //! @param[in] internal Whether this ScriptPubKeyMan provides change addresses
+ //! @param[in] memonly Whether to record this update to the database. Set to true for wallet loading, normally false when actually updating the wallet.
+ void SetActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal, bool memonly = false);
+
+ //! Create new DescriptorScriptPubKeyMans and add them to the wallet
+ void SetupDescriptorScriptPubKeyMans();
+
+ //! Return the DescriptorScriptPubKeyMan for a WalletDescriptor if it is already in the wallet
+ DescriptorScriptPubKeyMan* GetDescriptorScriptPubKeyMan(const WalletDescriptor& desc) const;
+
+ //! Add a descriptor to the wallet, return a ScriptPubKeyMan & associated output type
+ ScriptPubKeyMan* AddWalletDescriptor(WalletDescriptor& desc, const FlatSigningProvider& signing_provider, const std::string& label);
};
/**
diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp
index f457db0a56..79316ca3e7 100644
--- a/src/wallet/walletdb.cpp
+++ b/src/wallet/walletdb.cpp
@@ -21,6 +21,8 @@
namespace DBKeys {
const std::string ACENTRY{"acentry"};
+const std::string ACTIVEEXTERNALSPK{"activeexternalspk"};
+const std::string ACTIVEINTERNALSPK{"activeinternalspk"};
const std::string BESTBLOCK_NOMERKLE{"bestblock_nomerkle"};
const std::string BESTBLOCK{"bestblock"};
const std::string CRYPTED_KEY{"ckey"};
@@ -41,6 +43,10 @@ const std::string PURPOSE{"purpose"};
const std::string SETTINGS{"settings"};
const std::string TX{"tx"};
const std::string VERSION{"version"};
+const std::string WALLETDESCRIPTOR{"walletdescriptor"};
+const std::string WALLETDESCRIPTORCACHE{"walletdescriptorcache"};
+const std::string WALLETDESCRIPTORCKEY{"walletdescriptorckey"};
+const std::string WALLETDESCRIPTORKEY{"walletdescriptorkey"};
const std::string WATCHMETA{"watchmeta"};
const std::string WATCHS{"watchs"};
} // namespace DBKeys
@@ -179,6 +185,51 @@ bool WalletBatch::WriteMinVersion(int nVersion)
return WriteIC(DBKeys::MINVERSION, nVersion);
}
+bool WalletBatch::WriteActiveScriptPubKeyMan(uint8_t type, const uint256& id, bool internal)
+{
+ std::string key = internal ? DBKeys::ACTIVEINTERNALSPK : DBKeys::ACTIVEEXTERNALSPK;
+ return WriteIC(make_pair(key, type), id);
+}
+
+bool WalletBatch::WriteDescriptorKey(const uint256& desc_id, const CPubKey& pubkey, const CPrivKey& privkey)
+{
+ // hash pubkey/privkey to accelerate wallet load
+ std::vector<unsigned char> key;
+ key.reserve(pubkey.size() + privkey.size());
+ key.insert(key.end(), pubkey.begin(), pubkey.end());
+ key.insert(key.end(), privkey.begin(), privkey.end());
+
+ return WriteIC(std::make_pair(DBKeys::WALLETDESCRIPTORKEY, std::make_pair(desc_id, pubkey)), std::make_pair(privkey, Hash(key.begin(), key.end())), false);
+}
+
+bool WalletBatch::WriteCryptedDescriptorKey(const uint256& desc_id, const CPubKey& pubkey, const std::vector<unsigned char>& secret)
+{
+ if (!WriteIC(std::make_pair(DBKeys::WALLETDESCRIPTORCKEY, std::make_pair(desc_id, pubkey)), secret, false)) {
+ return false;
+ }
+ EraseIC(std::make_pair(DBKeys::WALLETDESCRIPTORKEY, std::make_pair(desc_id, pubkey)));
+ return true;
+}
+
+bool WalletBatch::WriteDescriptor(const uint256& desc_id, const WalletDescriptor& descriptor)
+{
+ return WriteIC(make_pair(DBKeys::WALLETDESCRIPTOR, desc_id), descriptor);
+}
+
+bool WalletBatch::WriteDescriptorDerivedCache(const CExtPubKey& xpub, const uint256& desc_id, uint32_t key_exp_index, uint32_t der_index)
+{
+ std::vector<unsigned char> ser_xpub(BIP32_EXTKEY_SIZE);
+ xpub.Encode(ser_xpub.data());
+ return WriteIC(std::make_pair(std::make_pair(DBKeys::WALLETDESCRIPTORCACHE, desc_id), std::make_pair(key_exp_index, der_index)), ser_xpub);
+}
+
+bool WalletBatch::WriteDescriptorParentCache(const CExtPubKey& xpub, const uint256& desc_id, uint32_t key_exp_index)
+{
+ std::vector<unsigned char> ser_xpub(BIP32_EXTKEY_SIZE);
+ xpub.Encode(ser_xpub.data());
+ return WriteIC(std::make_pair(std::make_pair(DBKeys::WALLETDESCRIPTORCACHE, desc_id), key_exp_index), ser_xpub);
+}
+
class CWalletScanState {
public:
unsigned int nKeys{0};
@@ -189,6 +240,11 @@ public:
bool fIsEncrypted{false};
bool fAnyUnordered{false};
std::vector<uint256> vWalletUpgrade;
+ std::map<OutputType, uint256> m_active_external_spks;
+ std::map<OutputType, uint256> m_active_internal_spks;
+ std::map<uint256, DescriptorCache> m_descriptor_caches;
+ std::map<std::pair<uint256, CKeyID>, CKey> m_descriptor_keys;
+ std::map<std::pair<uint256, CKeyID>, std::pair<CPubKey, std::vector<unsigned char>>> m_descriptor_crypt_keys;
CWalletScanState() {
}
@@ -404,6 +460,108 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
} else if (strType == DBKeys::OLD_KEY) {
strErr = "Found unsupported 'wkey' record, try loading with version 0.18";
return false;
+ } else if (strType == DBKeys::ACTIVEEXTERNALSPK || strType == DBKeys::ACTIVEINTERNALSPK) {
+ uint8_t type;
+ ssKey >> type;
+ uint256 id;
+ ssValue >> id;
+
+ bool internal = strType == DBKeys::ACTIVEINTERNALSPK;
+ auto& spk_mans = internal ? wss.m_active_internal_spks : wss.m_active_external_spks;
+ if (spk_mans.count(static_cast<OutputType>(type)) > 0) {
+ strErr = "Multiple ScriptPubKeyMans specified for a single type";
+ return false;
+ }
+ spk_mans[static_cast<OutputType>(type)] = id;
+ } else if (strType == DBKeys::WALLETDESCRIPTOR) {
+ uint256 id;
+ ssKey >> id;
+ WalletDescriptor desc;
+ ssValue >> desc;
+ if (wss.m_descriptor_caches.count(id) == 0) {
+ wss.m_descriptor_caches[id] = DescriptorCache();
+ }
+ pwallet->LoadDescriptorScriptPubKeyMan(id, desc);
+ } else if (strType == DBKeys::WALLETDESCRIPTORCACHE) {
+ bool parent = true;
+ uint256 desc_id;
+ uint32_t key_exp_index;
+ uint32_t der_index;
+ ssKey >> desc_id;
+ ssKey >> key_exp_index;
+
+ // if the der_index exists, it's a derived xpub
+ try
+ {
+ ssKey >> der_index;
+ parent = false;
+ }
+ catch (...) {}
+
+ std::vector<unsigned char> ser_xpub(BIP32_EXTKEY_SIZE);
+ ssValue >> ser_xpub;
+ CExtPubKey xpub;
+ xpub.Decode(ser_xpub.data());
+ if (wss.m_descriptor_caches.count(desc_id)) {
+ wss.m_descriptor_caches[desc_id] = DescriptorCache();
+ }
+ if (parent) {
+ wss.m_descriptor_caches[desc_id].CacheParentExtPubKey(key_exp_index, xpub);
+ } else {
+ wss.m_descriptor_caches[desc_id].CacheDerivedExtPubKey(key_exp_index, der_index, xpub);
+ }
+ } else if (strType == DBKeys::WALLETDESCRIPTORKEY) {
+ uint256 desc_id;
+ CPubKey pubkey;
+ ssKey >> desc_id;
+ ssKey >> pubkey;
+ if (!pubkey.IsValid())
+ {
+ strErr = "Error reading wallet database: CPubKey corrupt";
+ return false;
+ }
+ CKey key;
+ CPrivKey pkey;
+ uint256 hash;
+
+ wss.nKeys++;
+ ssValue >> pkey;
+ ssValue >> hash;
+
+ // hash pubkey/privkey to accelerate wallet load
+ std::vector<unsigned char> to_hash;
+ to_hash.reserve(pubkey.size() + pkey.size());
+ to_hash.insert(to_hash.end(), pubkey.begin(), pubkey.end());
+ to_hash.insert(to_hash.end(), pkey.begin(), pkey.end());
+
+ if (Hash(to_hash.begin(), to_hash.end()) != hash)
+ {
+ strErr = "Error reading wallet database: CPubKey/CPrivKey corrupt";
+ return false;
+ }
+
+ if (!key.Load(pkey, pubkey, true))
+ {
+ strErr = "Error reading wallet database: CPrivKey corrupt";
+ return false;
+ }
+ wss.m_descriptor_keys.insert(std::make_pair(std::make_pair(desc_id, pubkey.GetID()), key));
+ } else if (strType == DBKeys::WALLETDESCRIPTORCKEY) {
+ uint256 desc_id;
+ CPubKey pubkey;
+ ssKey >> desc_id;
+ ssKey >> pubkey;
+ if (!pubkey.IsValid())
+ {
+ strErr = "Error reading wallet database: CPubKey corrupt";
+ return false;
+ }
+ std::vector<unsigned char> privkey;
+ ssValue >> privkey;
+ wss.nCKeys++;
+
+ wss.m_descriptor_crypt_keys.insert(std::make_pair(std::make_pair(desc_id, pubkey.GetID()), std::make_pair(pubkey, privkey)));
+ wss.fIsEncrypted = true;
} else if (strType != DBKeys::BESTBLOCK && strType != DBKeys::BESTBLOCK_NOMERKLE &&
strType != DBKeys::MINVERSION && strType != DBKeys::ACENTRY &&
strType != DBKeys::VERSION && strType != DBKeys::SETTINGS) {
@@ -497,6 +655,31 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
result = DBErrors::CORRUPT;
}
+ // Set the active ScriptPubKeyMans
+ for (auto spk_man_pair : wss.m_active_external_spks) {
+ pwallet->SetActiveScriptPubKeyMan(spk_man_pair.second, spk_man_pair.first, /* internal */ false, /* memonly */ true);
+ }
+ for (auto spk_man_pair : wss.m_active_internal_spks) {
+ pwallet->SetActiveScriptPubKeyMan(spk_man_pair.second, spk_man_pair.first, /* internal */ true, /* memonly */ true);
+ }
+
+ // Set the descriptor caches
+ for (auto desc_cache_pair : wss.m_descriptor_caches) {
+ auto spk_man = pwallet->GetScriptPubKeyMan(desc_cache_pair.first);
+ assert(spk_man);
+ ((DescriptorScriptPubKeyMan*)spk_man)->SetCache(desc_cache_pair.second);
+ }
+
+ // Set the descriptor keys
+ for (auto desc_key_pair : wss.m_descriptor_keys) {
+ auto spk_man = pwallet->GetScriptPubKeyMan(desc_key_pair.first.first);
+ ((DescriptorScriptPubKeyMan*)spk_man)->AddKey(desc_key_pair.first.second, desc_key_pair.second);
+ }
+ for (auto desc_key_pair : wss.m_descriptor_crypt_keys) {
+ auto spk_man = pwallet->GetScriptPubKeyMan(desc_key_pair.first.first);
+ ((DescriptorScriptPubKeyMan*)spk_man)->AddCryptedKey(desc_key_pair.first.second, desc_key_pair.second.first, desc_key_pair.second.second);
+ }
+
if (fNoncriticalErrors && result == DBErrors::LOAD_OK)
result = DBErrors::NONCRITICAL_ERROR;
@@ -516,7 +699,7 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
wss.nKeys, wss.nCKeys, wss.nKeyMeta, wss.nKeys + wss.nCKeys, wss.m_unknown_records);
// nTimeFirstKey is only reliable if all keys have metadata
- if ((wss.nKeys + wss.nCKeys + wss.nWatchKeys) != wss.nKeyMeta) {
+ if (pwallet->IsLegacy() && (wss.nKeys + wss.nCKeys + wss.nWatchKeys) != wss.nKeyMeta) {
auto spk_man = pwallet->GetOrCreateLegacyScriptPubKeyMan();
if (spk_man) {
LOCK(spk_man->cs_KeyStore);
diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index a436f60ab3..2701481c58 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -9,6 +9,7 @@
#include <amount.h>
#include <script/sign.h>
#include <wallet/db.h>
+#include <wallet/walletutil.h>
#include <key.h>
#include <stdint.h>
@@ -54,6 +55,8 @@ enum class DBErrors
namespace DBKeys {
extern const std::string ACENTRY;
+extern const std::string ACTIVEEXTERNALSPK;
+extern const std::string ACTIVEINTERNALSPK;
extern const std::string BESTBLOCK;
extern const std::string BESTBLOCK_NOMERKLE;
extern const std::string CRYPTED_KEY;
@@ -74,6 +77,9 @@ extern const std::string PURPOSE;
extern const std::string SETTINGS;
extern const std::string TX;
extern const std::string VERSION;
+extern const std::string WALLETDESCRIPTOR;
+extern const std::string WALLETDESCRIPTORCKEY;
+extern const std::string WALLETDESCRIPTORKEY;
extern const std::string WATCHMETA;
extern const std::string WATCHS;
} // namespace DBKeys
@@ -240,11 +246,19 @@ public:
bool WriteMinVersion(int nVersion);
+ bool WriteDescriptorKey(const uint256& desc_id, const CPubKey& pubkey, const CPrivKey& privkey);
+ bool WriteCryptedDescriptorKey(const uint256& desc_id, const CPubKey& pubkey, const std::vector<unsigned char>& secret);
+ bool WriteDescriptor(const uint256& desc_id, const WalletDescriptor& descriptor);
+ bool WriteDescriptorDerivedCache(const CExtPubKey& xpub, const uint256& desc_id, uint32_t key_exp_index, uint32_t der_index);
+ bool WriteDescriptorParentCache(const CExtPubKey& xpub, const uint256& desc_id, uint32_t key_exp_index);
+
/// Write destination data key,value tuple to database
bool WriteDestData(const std::string &address, const std::string &key, const std::string &value);
/// Erase destination data tuple from wallet database
bool EraseDestData(const std::string &address, const std::string &key);
+ bool WriteActiveScriptPubKeyMan(uint8_t type, const uint256& id, bool internal);
+
DBErrors LoadWallet(CWallet* pwallet);
DBErrors FindWalletTx(std::vector<uint256>& vTxHash, std::vector<CWalletTx>& vWtx);
DBErrors ZapWalletTx(std::vector<CWalletTx>& vWtx);
diff --git a/src/wallet/walletutil.cpp b/src/wallet/walletutil.cpp
index 04c2407a89..8bac0608a9 100644
--- a/src/wallet/walletutil.cpp
+++ b/src/wallet/walletutil.cpp
@@ -100,5 +100,10 @@ WalletLocation::WalletLocation(const std::string& name)
bool WalletLocation::Exists() const
{
- return fs::symlink_status(m_path).type() != fs::file_not_found;
+ fs::path path = m_path;
+ // For the default wallet, check specifically for the wallet.dat file
+ if (m_name.empty()) {
+ path = fs::absolute("wallet.dat", m_path);
+ }
+ return fs::symlink_status(path).type() != fs::file_not_found;
}
diff --git a/src/wallet/walletutil.h b/src/wallet/walletutil.h
index c91c9aca96..d7e07ed04c 100644
--- a/src/wallet/walletutil.h
+++ b/src/wallet/walletutil.h
@@ -6,6 +6,7 @@
#define BITCOIN_WALLET_WALLETUTIL_H
#include <fs.h>
+#include <script/descriptor.h>
#include <vector>
@@ -55,6 +56,9 @@ enum WalletFlags : uint64_t {
//! bitcoin from opening the wallet, thinking it was newly created, and
//! then improperly reinitializing it.
WALLET_FLAG_BLANK_WALLET = (1ULL << 33),
+
+ //! Indicate that this wallet supports DescriptorScriptPubKeyMan
+ WALLET_FLAG_DESCRIPTORS = (1ULL << 34),
};
//! Get the path of the wallet directory.
@@ -83,4 +87,41 @@ public:
bool Exists() const;
};
+/** Descriptor with some wallet metadata */
+class WalletDescriptor
+{
+public:
+ std::shared_ptr<Descriptor> descriptor;
+ uint64_t creation_time;
+ int32_t range_start; // First item in range; start of range, inclusive, i.e. [range_start, range_end). This never changes.
+ int32_t range_end; // Item after the last; end of range, exclusive, i.e. [range_start, range_end). This will increment with each TopUp()
+ int32_t next_index; // Position of the next item to generate
+ DescriptorCache cache;
+
+ ADD_SERIALIZE_METHODS;
+
+ template <typename Stream, typename Operation>
+ inline void SerializationOp(Stream& s, Operation ser_action) {
+ if (ser_action.ForRead()) {
+ std::string desc;
+ std::string error;
+ READWRITE(desc);
+ FlatSigningProvider keys;
+ descriptor = Parse(desc, keys, error, true);
+ if (!descriptor) {
+ throw std::ios_base::failure("Invalid descriptor: " + error);
+ }
+ } else {
+ READWRITE(descriptor->ToString());
+ }
+ READWRITE(creation_time);
+ READWRITE(next_index);
+ READWRITE(range_start);
+ READWRITE(range_end);
+ }
+
+ WalletDescriptor() {}
+ WalletDescriptor(std::shared_ptr<Descriptor> descriptor, uint64_t creation_time, int32_t range_start, int32_t range_end, int32_t next_index) : descriptor(descriptor), creation_time(creation_time), range_start(range_start), range_end(range_end), next_index(next_index) {}
+};
+
#endif // BITCOIN_WALLET_WALLETUTIL_H
generated by cgit v1.2.3 (git 2.26.2) at 2024-10-09 03:34:16 +0000