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-rw-r--r--src/wallet/scriptpubkeyman.cpp1262
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diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp
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+// Copyright (c) 2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <key_io.h>
+#include <outputtype.h>
+#include <script/descriptor.h>
+#include <util/bip32.h>
+#include <util/strencodings.h>
+#include <util/translation.h>
+#include <wallet/scriptpubkeyman.h>
+#include <wallet/wallet.h>
+
+bool CWallet::GetNewDestination(const OutputType type, const std::string label, CTxDestination& dest, std::string& error)
+{
+ LOCK(cs_wallet);
+ error.clear();
+
+ TopUpKeyPool();
+
+ // Generate a new key that is added to wallet
+ CPubKey new_key;
+ if (!GetKeyFromPool(new_key)) {
+ error = "Error: Keypool ran out, please call keypoolrefill first";
+ return false;
+ }
+ LearnRelatedScripts(new_key, type);
+ dest = GetDestinationForKey(new_key, type);
+
+ SetAddressBook(dest, label, "receive");
+ return true;
+}
+
+typedef std::vector<unsigned char> valtype;
+
+namespace {
+
+/**
+ * This is an enum that tracks the execution context of a script, similar to
+ * SigVersion in script/interpreter. It is separate however because we want to
+ * distinguish between top-level scriptPubKey execution and P2SH redeemScript
+ * execution (a distinction that has no impact on consensus rules).
+ */
+enum class IsMineSigVersion
+{
+ TOP = 0, //!< scriptPubKey execution
+ P2SH = 1, //!< P2SH redeemScript
+ WITNESS_V0 = 2, //!< P2WSH witness script execution
+};
+
+/**
+ * This is an internal representation of isminetype + invalidity.
+ * Its order is significant, as we return the max of all explored
+ * possibilities.
+ */
+enum class IsMineResult
+{
+ NO = 0, //!< Not ours
+ WATCH_ONLY = 1, //!< Included in watch-only balance
+ SPENDABLE = 2, //!< Included in all balances
+ INVALID = 3, //!< Not spendable by anyone (uncompressed pubkey in segwit, P2SH inside P2SH or witness, witness inside witness)
+};
+
+bool PermitsUncompressed(IsMineSigVersion sigversion)
+{
+ return sigversion == IsMineSigVersion::TOP || sigversion == IsMineSigVersion::P2SH;
+}
+
+bool HaveKeys(const std::vector<valtype>& pubkeys, const CWallet& keystore)
+{
+ for (const valtype& pubkey : pubkeys) {
+ CKeyID keyID = CPubKey(pubkey).GetID();
+ if (!keystore.HaveKey(keyID)) return false;
+ }
+ return true;
+}
+
+IsMineResult IsMineInner(const CWallet& keystore, const CScript& scriptPubKey, IsMineSigVersion sigversion)
+{
+ IsMineResult ret = IsMineResult::NO;
+
+ std::vector<valtype> vSolutions;
+ txnouttype whichType = Solver(scriptPubKey, vSolutions);
+
+ CKeyID keyID;
+ switch (whichType)
+ {
+ case TX_NONSTANDARD:
+ case TX_NULL_DATA:
+ case TX_WITNESS_UNKNOWN:
+ break;
+ case TX_PUBKEY:
+ keyID = CPubKey(vSolutions[0]).GetID();
+ if (!PermitsUncompressed(sigversion) && vSolutions[0].size() != 33) {
+ return IsMineResult::INVALID;
+ }
+ if (keystore.HaveKey(keyID)) {
+ ret = std::max(ret, IsMineResult::SPENDABLE);
+ }
+ break;
+ case TX_WITNESS_V0_KEYHASH:
+ {
+ if (sigversion == IsMineSigVersion::WITNESS_V0) {
+ // P2WPKH inside P2WSH is invalid.
+ return IsMineResult::INVALID;
+ }
+ if (sigversion == IsMineSigVersion::TOP && !keystore.HaveCScript(CScriptID(CScript() << OP_0 << vSolutions[0]))) {
+ // We do not support bare witness outputs unless the P2SH version of it would be
+ // acceptable as well. This protects against matching before segwit activates.
+ // This also applies to the P2WSH case.
+ break;
+ }
+ ret = std::max(ret, IsMineInner(keystore, GetScriptForDestination(PKHash(uint160(vSolutions[0]))), IsMineSigVersion::WITNESS_V0));
+ break;
+ }
+ case TX_PUBKEYHASH:
+ keyID = CKeyID(uint160(vSolutions[0]));
+ if (!PermitsUncompressed(sigversion)) {
+ CPubKey pubkey;
+ if (keystore.GetPubKey(keyID, pubkey) && !pubkey.IsCompressed()) {
+ return IsMineResult::INVALID;
+ }
+ }
+ if (keystore.HaveKey(keyID)) {
+ ret = std::max(ret, IsMineResult::SPENDABLE);
+ }
+ break;
+ case TX_SCRIPTHASH:
+ {
+ if (sigversion != IsMineSigVersion::TOP) {
+ // P2SH inside P2WSH or P2SH is invalid.
+ return IsMineResult::INVALID;
+ }
+ CScriptID scriptID = CScriptID(uint160(vSolutions[0]));
+ CScript subscript;
+ if (keystore.GetCScript(scriptID, subscript)) {
+ ret = std::max(ret, IsMineInner(keystore, subscript, IsMineSigVersion::P2SH));
+ }
+ break;
+ }
+ case TX_WITNESS_V0_SCRIPTHASH:
+ {
+ if (sigversion == IsMineSigVersion::WITNESS_V0) {
+ // P2WSH inside P2WSH is invalid.
+ return IsMineResult::INVALID;
+ }
+ if (sigversion == IsMineSigVersion::TOP && !keystore.HaveCScript(CScriptID(CScript() << OP_0 << vSolutions[0]))) {
+ break;
+ }
+ uint160 hash;
+ CRIPEMD160().Write(&vSolutions[0][0], vSolutions[0].size()).Finalize(hash.begin());
+ CScriptID scriptID = CScriptID(hash);
+ CScript subscript;
+ if (keystore.GetCScript(scriptID, subscript)) {
+ ret = std::max(ret, IsMineInner(keystore, subscript, IsMineSigVersion::WITNESS_V0));
+ }
+ break;
+ }
+
+ case TX_MULTISIG:
+ {
+ // Never treat bare multisig outputs as ours (they can still be made watchonly-though)
+ if (sigversion == IsMineSigVersion::TOP) {
+ break;
+ }
+
+ // Only consider transactions "mine" if we own ALL the
+ // keys involved. Multi-signature transactions that are
+ // partially owned (somebody else has a key that can spend
+ // them) enable spend-out-from-under-you attacks, especially
+ // in shared-wallet situations.
+ std::vector<valtype> keys(vSolutions.begin()+1, vSolutions.begin()+vSolutions.size()-1);
+ if (!PermitsUncompressed(sigversion)) {
+ for (size_t i = 0; i < keys.size(); i++) {
+ if (keys[i].size() != 33) {
+ return IsMineResult::INVALID;
+ }
+ }
+ }
+ if (HaveKeys(keys, keystore)) {
+ ret = std::max(ret, IsMineResult::SPENDABLE);
+ }
+ break;
+ }
+ }
+
+ if (ret == IsMineResult::NO && keystore.HaveWatchOnly(scriptPubKey)) {
+ ret = std::max(ret, IsMineResult::WATCH_ONLY);
+ }
+ return ret;
+}
+
+} // namespace
+
+isminetype IsMine(const CWallet& keystore, const CScript& scriptPubKey)
+{
+ switch (IsMineInner(keystore, scriptPubKey, IsMineSigVersion::TOP)) {
+ case IsMineResult::INVALID:
+ case IsMineResult::NO:
+ return ISMINE_NO;
+ case IsMineResult::WATCH_ONLY:
+ return ISMINE_WATCH_ONLY;
+ case IsMineResult::SPENDABLE:
+ return ISMINE_SPENDABLE;
+ }
+ assert(false);
+}
+
+bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys)
+{
+ {
+ LOCK(cs_KeyStore);
+ if (!SetCrypted())
+ return false;
+
+ bool keyPass = mapCryptedKeys.empty(); // Always pass when there are no encrypted keys
+ bool keyFail = false;
+ CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin();
+ for (; mi != mapCryptedKeys.end(); ++mi)
+ {
+ const CPubKey &vchPubKey = (*mi).second.first;
+ const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
+ CKey key;
+ if (!DecryptKey(vMasterKeyIn, vchCryptedSecret, vchPubKey, key))
+ {
+ keyFail = true;
+ break;
+ }
+ keyPass = true;
+ if (fDecryptionThoroughlyChecked)
+ 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;
+ vMasterKey = vMasterKeyIn;
+ fDecryptionThoroughlyChecked = true;
+ }
+ NotifyStatusChanged(this);
+ return true;
+}
+
+bool CWallet::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
+{
+ LOCK(cs_KeyStore);
+ if (!mapCryptedKeys.empty() || IsCrypted())
+ return false;
+
+ fUseCrypto = true;
+ for (const KeyMap::value_type& mKey : mapKeys)
+ {
+ const CKey &key = mKey.second;
+ CPubKey vchPubKey = key.GetPubKey();
+ CKeyingMaterial vchSecret(key.begin(), key.end());
+ std::vector<unsigned char> vchCryptedSecret;
+ if (!EncryptSecret(vMasterKeyIn, vchSecret, vchPubKey.GetHash(), vchCryptedSecret))
+ return false;
+ if (!AddCryptedKey(vchPubKey, vchCryptedSecret))
+ return false;
+ }
+ mapKeys.clear();
+ return true;
+}
+
+void CWallet::UpgradeKeyMetadata()
+{
+ AssertLockHeld(cs_wallet);
+ if (IsLocked() || IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
+ return;
+ }
+
+ std::unique_ptr<WalletBatch> batch = MakeUnique<WalletBatch>(*database);
+ for (auto& meta_pair : mapKeyMetadata) {
+ CKeyMetadata& meta = meta_pair.second;
+ if (!meta.hd_seed_id.IsNull() && !meta.has_key_origin && meta.hdKeypath != "s") { // If the hdKeypath is "s", that's the seed and it doesn't have a key origin
+ CKey key;
+ GetKey(meta.hd_seed_id, key);
+ CExtKey masterKey;
+ masterKey.SetSeed(key.begin(), key.size());
+ // Add to map
+ CKeyID master_id = masterKey.key.GetPubKey().GetID();
+ std::copy(master_id.begin(), master_id.begin() + 4, meta.key_origin.fingerprint);
+ if (!ParseHDKeypath(meta.hdKeypath, meta.key_origin.path)) {
+ throw std::runtime_error("Invalid stored hdKeypath");
+ }
+ meta.has_key_origin = true;
+ if (meta.nVersion < CKeyMetadata::VERSION_WITH_KEY_ORIGIN) {
+ meta.nVersion = CKeyMetadata::VERSION_WITH_KEY_ORIGIN;
+ }
+
+ // Write meta to wallet
+ CPubKey pubkey;
+ if (GetPubKey(meta_pair.first, pubkey)) {
+ batch->WriteKeyMetadata(meta, pubkey, true);
+ }
+ }
+ }
+ batch.reset(); //write before setting the flag
+ SetWalletFlag(WALLET_FLAG_KEY_ORIGIN_METADATA);
+}
+
+bool CWallet::IsHDEnabled() const
+{
+ return !hdChain.seed_id.IsNull();
+}
+
+bool CWallet::CanGetAddresses(bool internal)
+{
+ LOCK(cs_wallet);
+ // Check if the keypool has keys
+ bool keypool_has_keys;
+ if (internal && CanSupportFeature(FEATURE_HD_SPLIT)) {
+ keypool_has_keys = setInternalKeyPool.size() > 0;
+ } else {
+ keypool_has_keys = KeypoolCountExternalKeys() > 0;
+ }
+ // If the keypool doesn't have keys, check if we can generate them
+ if (!keypool_has_keys) {
+ return CanGenerateKeys();
+ }
+ return keypool_has_keys;
+}
+
+static int64_t GetOldestKeyTimeInPool(const std::set<int64_t>& setKeyPool, WalletBatch& batch) {
+ if (setKeyPool.empty()) {
+ return GetTime();
+ }
+
+ CKeyPool keypool;
+ int64_t nIndex = *(setKeyPool.begin());
+ if (!batch.ReadPool(nIndex, keypool)) {
+ throw std::runtime_error(std::string(__func__) + ": read oldest key in keypool failed");
+ }
+ assert(keypool.vchPubKey.IsValid());
+ return keypool.nTime;
+}
+
+int64_t CWallet::GetOldestKeyPoolTime()
+{
+ LOCK(cs_wallet);
+
+ WalletBatch batch(*database);
+
+ // load oldest key from keypool, get time and return
+ int64_t oldestKey = GetOldestKeyTimeInPool(setExternalKeyPool, batch);
+ if (IsHDEnabled() && CanSupportFeature(FEATURE_HD_SPLIT)) {
+ oldestKey = std::max(GetOldestKeyTimeInPool(setInternalKeyPool, batch), oldestKey);
+ if (!set_pre_split_keypool.empty()) {
+ oldestKey = std::max(GetOldestKeyTimeInPool(set_pre_split_keypool, batch), oldestKey);
+ }
+ }
+
+ return oldestKey;
+}
+
+size_t CWallet::KeypoolCountExternalKeys()
+{
+ AssertLockHeld(cs_wallet);
+ return setExternalKeyPool.size() + set_pre_split_keypool.size();
+}
+
+/**
+ * Update wallet first key creation time. This should be called whenever keys
+ * are added to the wallet, with the oldest key creation time.
+ */
+void CWallet::UpdateTimeFirstKey(int64_t nCreateTime)
+{
+ AssertLockHeld(cs_wallet);
+ if (nCreateTime <= 1) {
+ // Cannot determine birthday information, so set the wallet birthday to
+ // the beginning of time.
+ nTimeFirstKey = 1;
+ } else if (!nTimeFirstKey || nCreateTime < nTimeFirstKey) {
+ nTimeFirstKey = nCreateTime;
+ }
+}
+
+bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey)
+{
+ WalletBatch batch(*database);
+ return CWallet::AddKeyPubKeyWithDB(batch, secret, pubkey);
+}
+
+bool CWallet::AddKeyPubKeyWithDB(WalletBatch& batch, const CKey& secret, const CPubKey& pubkey)
+{
+ AssertLockHeld(cs_wallet);
+
+ // Make sure we aren't adding private keys to private key disabled wallets
+ assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS));
+
+ // FillableSigningProvider has no concept of wallet databases, but calls AddCryptedKey
+ // which is overridden below. To avoid flushes, the database handle is
+ // tunneled through to it.
+ bool needsDB = !encrypted_batch;
+ if (needsDB) {
+ encrypted_batch = &batch;
+ }
+ if (!AddKeyPubKeyInner(secret, pubkey)) {
+ if (needsDB) encrypted_batch = nullptr;
+ return false;
+ }
+ if (needsDB) encrypted_batch = nullptr;
+
+ // check if we need to remove from watch-only
+ CScript script;
+ script = GetScriptForDestination(PKHash(pubkey));
+ if (HaveWatchOnly(script)) {
+ RemoveWatchOnly(script);
+ }
+ script = GetScriptForRawPubKey(pubkey);
+ if (HaveWatchOnly(script)) {
+ RemoveWatchOnly(script);
+ }
+
+ if (!IsCrypted()) {
+ return batch.WriteKey(pubkey,
+ secret.GetPrivKey(),
+ mapKeyMetadata[pubkey.GetID()]);
+ }
+ UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
+ return true;
+}
+
+bool CWallet::LoadCScript(const CScript& redeemScript)
+{
+ /* A sanity check was added in pull #3843 to avoid adding redeemScripts
+ * that never can be redeemed. However, old wallets may still contain
+ * these. Do not add them to the wallet and warn. */
+ if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
+ {
+ std::string strAddr = EncodeDestination(ScriptHash(redeemScript));
+ WalletLogPrintf("%s: Warning: This wallet contains a redeemScript of size %i which exceeds maximum size %i thus can never be redeemed. Do not use address %s.\n", __func__, redeemScript.size(), MAX_SCRIPT_ELEMENT_SIZE, strAddr);
+ return true;
+ }
+
+ return FillableSigningProvider::AddCScript(redeemScript);
+}
+
+void CWallet::LoadKeyMetadata(const CKeyID& keyID, const CKeyMetadata& meta)
+{
+ AssertLockHeld(cs_wallet);
+ UpdateTimeFirstKey(meta.nCreateTime);
+ mapKeyMetadata[keyID] = meta;
+}
+
+void CWallet::LoadScriptMetadata(const CScriptID& script_id, const CKeyMetadata& meta)
+{
+ AssertLockHeld(cs_wallet);
+ UpdateTimeFirstKey(meta.nCreateTime);
+ m_script_metadata[script_id] = meta;
+}
+
+bool CWallet::AddKeyPubKeyInner(const CKey& key, const CPubKey &pubkey)
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted()) {
+ return FillableSigningProvider::AddKeyPubKey(key, pubkey);
+ }
+
+ if (IsLocked()) {
+ return false;
+ }
+
+ std::vector<unsigned char> vchCryptedSecret;
+ CKeyingMaterial vchSecret(key.begin(), key.end());
+ if (!EncryptSecret(vMasterKey, vchSecret, pubkey.GetHash(), vchCryptedSecret)) {
+ return false;
+ }
+
+ if (!AddCryptedKey(pubkey, vchCryptedSecret)) {
+ return false;
+ }
+ return true;
+}
+
+bool CWallet::LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
+{
+ return AddCryptedKeyInner(vchPubKey, vchCryptedSecret);
+}
+
+bool CWallet::AddCryptedKeyInner(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
+{
+ LOCK(cs_KeyStore);
+ if (!SetCrypted()) {
+ return false;
+ }
+
+ mapCryptedKeys[vchPubKey.GetID()] = make_pair(vchPubKey, vchCryptedSecret);
+ ImplicitlyLearnRelatedKeyScripts(vchPubKey);
+ return true;
+}
+
+bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
+ const std::vector<unsigned char> &vchCryptedSecret)
+{
+ if (!AddCryptedKeyInner(vchPubKey, vchCryptedSecret))
+ return false;
+ {
+ LOCK(cs_wallet);
+ if (encrypted_batch)
+ return encrypted_batch->WriteCryptedKey(vchPubKey,
+ vchCryptedSecret,
+ mapKeyMetadata[vchPubKey.GetID()]);
+ else
+ return WalletBatch(*database).WriteCryptedKey(vchPubKey,
+ vchCryptedSecret,
+ mapKeyMetadata[vchPubKey.GetID()]);
+ }
+}
+
+bool CWallet::HaveWatchOnly(const CScript &dest) const
+{
+ LOCK(cs_KeyStore);
+ return setWatchOnly.count(dest) > 0;
+}
+
+bool CWallet::HaveWatchOnly() const
+{
+ LOCK(cs_KeyStore);
+ return (!setWatchOnly.empty());
+}
+
+static bool ExtractPubKey(const CScript &dest, CPubKey& pubKeyOut)
+{
+ std::vector<std::vector<unsigned char>> solutions;
+ return Solver(dest, solutions) == TX_PUBKEY &&
+ (pubKeyOut = CPubKey(solutions[0])).IsFullyValid();
+}
+
+bool CWallet::RemoveWatchOnly(const CScript &dest)
+{
+ AssertLockHeld(cs_wallet);
+ {
+ LOCK(cs_KeyStore);
+ setWatchOnly.erase(dest);
+ CPubKey pubKey;
+ if (ExtractPubKey(dest, pubKey)) {
+ mapWatchKeys.erase(pubKey.GetID());
+ }
+ // Related CScripts are not removed; having superfluous scripts around is
+ // harmless (see comment in ImplicitlyLearnRelatedKeyScripts).
+ }
+
+ if (!HaveWatchOnly())
+ NotifyWatchonlyChanged(false);
+ if (!WalletBatch(*database).EraseWatchOnly(dest))
+ return false;
+
+ return true;
+}
+
+bool CWallet::LoadWatchOnly(const CScript &dest)
+{
+ return AddWatchOnlyInMem(dest);
+}
+
+bool CWallet::AddWatchOnlyInMem(const CScript &dest)
+{
+ LOCK(cs_KeyStore);
+ setWatchOnly.insert(dest);
+ CPubKey pubKey;
+ if (ExtractPubKey(dest, pubKey)) {
+ mapWatchKeys[pubKey.GetID()] = pubKey;
+ ImplicitlyLearnRelatedKeyScripts(pubKey);
+ }
+ return true;
+}
+
+bool CWallet::AddWatchOnlyWithDB(WalletBatch &batch, const CScript& dest)
+{
+ if (!AddWatchOnlyInMem(dest))
+ return false;
+ const CKeyMetadata& meta = m_script_metadata[CScriptID(dest)];
+ UpdateTimeFirstKey(meta.nCreateTime);
+ NotifyWatchonlyChanged(true);
+ if (batch.WriteWatchOnly(dest, meta)) {
+ UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
+ return true;
+ }
+ return false;
+}
+
+bool CWallet::AddWatchOnlyWithDB(WalletBatch &batch, const CScript& dest, int64_t create_time)
+{
+ m_script_metadata[CScriptID(dest)].nCreateTime = create_time;
+ return AddWatchOnlyWithDB(batch, dest);
+}
+
+bool CWallet::AddWatchOnly(const CScript& dest)
+{
+ WalletBatch batch(*database);
+ return AddWatchOnlyWithDB(batch, dest);
+}
+
+bool CWallet::AddWatchOnly(const CScript& dest, int64_t nCreateTime)
+{
+ m_script_metadata[CScriptID(dest)].nCreateTime = nCreateTime;
+ return AddWatchOnly(dest);
+}
+
+void CWallet::SetHDChain(const CHDChain& chain, bool memonly)
+{
+ LOCK(cs_wallet);
+ if (!memonly && !WalletBatch(*database).WriteHDChain(chain))
+ throw std::runtime_error(std::string(__func__) + ": writing chain failed");
+
+ hdChain = chain;
+}
+
+bool CWallet::HaveKey(const CKeyID &address) const
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted()) {
+ return FillableSigningProvider::HaveKey(address);
+ }
+ return mapCryptedKeys.count(address) > 0;
+}
+
+bool CWallet::GetKey(const CKeyID &address, CKey& keyOut) const
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted()) {
+ return FillableSigningProvider::GetKey(address, keyOut);
+ }
+
+ CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
+ if (mi != mapCryptedKeys.end())
+ {
+ const CPubKey &vchPubKey = (*mi).second.first;
+ const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second;
+ return DecryptKey(vMasterKey, vchCryptedSecret, vchPubKey, keyOut);
+ }
+ return false;
+}
+
+bool CWallet::GetKeyOrigin(const CKeyID& keyID, KeyOriginInfo& info) const
+{
+ CKeyMetadata meta;
+ {
+ LOCK(cs_wallet);
+ auto it = mapKeyMetadata.find(keyID);
+ if (it != mapKeyMetadata.end()) {
+ meta = it->second;
+ }
+ }
+ if (meta.has_key_origin) {
+ std::copy(meta.key_origin.fingerprint, meta.key_origin.fingerprint + 4, info.fingerprint);
+ info.path = meta.key_origin.path;
+ } else { // Single pubkeys get the master fingerprint of themselves
+ std::copy(keyID.begin(), keyID.begin() + 4, info.fingerprint);
+ }
+ return true;
+}
+
+bool CWallet::GetWatchPubKey(const CKeyID &address, CPubKey &pubkey_out) const
+{
+ LOCK(cs_KeyStore);
+ WatchKeyMap::const_iterator it = mapWatchKeys.find(address);
+ if (it != mapWatchKeys.end()) {
+ pubkey_out = it->second;
+ return true;
+ }
+ return false;
+}
+
+bool CWallet::GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted()) {
+ if (!FillableSigningProvider::GetPubKey(address, vchPubKeyOut)) {
+ return GetWatchPubKey(address, vchPubKeyOut);
+ }
+ return true;
+ }
+
+ CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
+ if (mi != mapCryptedKeys.end())
+ {
+ vchPubKeyOut = (*mi).second.first;
+ return true;
+ }
+ // Check for watch-only pubkeys
+ return GetWatchPubKey(address, vchPubKeyOut);
+}
+
+CPubKey CWallet::GenerateNewKey(WalletBatch &batch, bool internal)
+{
+ assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS));
+ assert(!IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET));
+ AssertLockHeld(cs_wallet);
+ bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
+
+ CKey secret;
+
+ // Create new metadata
+ int64_t nCreationTime = GetTime();
+ CKeyMetadata metadata(nCreationTime);
+
+ // use HD key derivation if HD was enabled during wallet creation and a seed is present
+ if (IsHDEnabled()) {
+ DeriveNewChildKey(batch, metadata, secret, (CanSupportFeature(FEATURE_HD_SPLIT) ? internal : false));
+ } else {
+ secret.MakeNewKey(fCompressed);
+ }
+
+ // Compressed public keys were introduced in version 0.6.0
+ if (fCompressed) {
+ SetMinVersion(FEATURE_COMPRPUBKEY);
+ }
+
+ CPubKey pubkey = secret.GetPubKey();
+ assert(secret.VerifyPubKey(pubkey));
+
+ mapKeyMetadata[pubkey.GetID()] = metadata;
+ UpdateTimeFirstKey(nCreationTime);
+
+ if (!AddKeyPubKeyWithDB(batch, secret, pubkey)) {
+ throw std::runtime_error(std::string(__func__) + ": AddKey failed");
+ }
+ return pubkey;
+}
+
+const uint32_t BIP32_HARDENED_KEY_LIMIT = 0x80000000;
+
+void CWallet::DeriveNewChildKey(WalletBatch &batch, CKeyMetadata& metadata, CKey& secret, bool internal)
+{
+ // for now we use a fixed keypath scheme of m/0'/0'/k
+ CKey seed; //seed (256bit)
+ CExtKey masterKey; //hd master key
+ CExtKey accountKey; //key at m/0'
+ CExtKey chainChildKey; //key at m/0'/0' (external) or m/0'/1' (internal)
+ CExtKey childKey; //key at m/0'/0'/<n>'
+
+ // try to get the seed
+ if (!GetKey(hdChain.seed_id, seed))
+ throw std::runtime_error(std::string(__func__) + ": seed not found");
+
+ masterKey.SetSeed(seed.begin(), seed.size());
+
+ // derive m/0'
+ // use hardened derivation (child keys >= 0x80000000 are hardened after bip32)
+ masterKey.Derive(accountKey, BIP32_HARDENED_KEY_LIMIT);
+
+ // derive m/0'/0' (external chain) OR m/0'/1' (internal chain)
+ assert(internal ? CanSupportFeature(FEATURE_HD_SPLIT) : true);
+ accountKey.Derive(chainChildKey, BIP32_HARDENED_KEY_LIMIT+(internal ? 1 : 0));
+
+ // derive child key at next index, skip keys already known to the wallet
+ do {
+ // always derive hardened keys
+ // childIndex | BIP32_HARDENED_KEY_LIMIT = derive childIndex in hardened child-index-range
+ // example: 1 | BIP32_HARDENED_KEY_LIMIT == 0x80000001 == 2147483649
+ if (internal) {
+ chainChildKey.Derive(childKey, hdChain.nInternalChainCounter | BIP32_HARDENED_KEY_LIMIT);
+ metadata.hdKeypath = "m/0'/1'/" + std::to_string(hdChain.nInternalChainCounter) + "'";
+ metadata.key_origin.path.push_back(0 | BIP32_HARDENED_KEY_LIMIT);
+ metadata.key_origin.path.push_back(1 | BIP32_HARDENED_KEY_LIMIT);
+ metadata.key_origin.path.push_back(hdChain.nInternalChainCounter | BIP32_HARDENED_KEY_LIMIT);
+ hdChain.nInternalChainCounter++;
+ }
+ else {
+ chainChildKey.Derive(childKey, hdChain.nExternalChainCounter | BIP32_HARDENED_KEY_LIMIT);
+ metadata.hdKeypath = "m/0'/0'/" + std::to_string(hdChain.nExternalChainCounter) + "'";
+ metadata.key_origin.path.push_back(0 | BIP32_HARDENED_KEY_LIMIT);
+ metadata.key_origin.path.push_back(0 | BIP32_HARDENED_KEY_LIMIT);
+ metadata.key_origin.path.push_back(hdChain.nExternalChainCounter | BIP32_HARDENED_KEY_LIMIT);
+ hdChain.nExternalChainCounter++;
+ }
+ } while (HaveKey(childKey.key.GetPubKey().GetID()));
+ secret = childKey.key;
+ metadata.hd_seed_id = hdChain.seed_id;
+ CKeyID master_id = masterKey.key.GetPubKey().GetID();
+ std::copy(master_id.begin(), master_id.begin() + 4, metadata.key_origin.fingerprint);
+ metadata.has_key_origin = true;
+ // update the chain model in the database
+ if (!batch.WriteHDChain(hdChain))
+ throw std::runtime_error(std::string(__func__) + ": Writing HD chain model failed");
+}
+
+void CWallet::LoadKeyPool(int64_t nIndex, const CKeyPool &keypool)
+{
+ AssertLockHeld(cs_wallet);
+ if (keypool.m_pre_split) {
+ set_pre_split_keypool.insert(nIndex);
+ } else if (keypool.fInternal) {
+ setInternalKeyPool.insert(nIndex);
+ } else {
+ setExternalKeyPool.insert(nIndex);
+ }
+ m_max_keypool_index = std::max(m_max_keypool_index, nIndex);
+ m_pool_key_to_index[keypool.vchPubKey.GetID()] = nIndex;
+
+ // If no metadata exists yet, create a default with the pool key's
+ // creation time. Note that this may be overwritten by actually
+ // stored metadata for that key later, which is fine.
+ CKeyID keyid = keypool.vchPubKey.GetID();
+ if (mapKeyMetadata.count(keyid) == 0)
+ mapKeyMetadata[keyid] = CKeyMetadata(keypool.nTime);
+}
+
+bool CWallet::CanGenerateKeys()
+{
+ // A wallet can generate keys if it has an HD seed (IsHDEnabled) or it is a non-HD wallet (pre FEATURE_HD)
+ LOCK(cs_wallet);
+ return IsHDEnabled() || !CanSupportFeature(FEATURE_HD);
+}
+
+CPubKey CWallet::GenerateNewSeed()
+{
+ assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS));
+ CKey key;
+ key.MakeNewKey(true);
+ return DeriveNewSeed(key);
+}
+
+CPubKey CWallet::DeriveNewSeed(const CKey& key)
+{
+ int64_t nCreationTime = GetTime();
+ CKeyMetadata metadata(nCreationTime);
+
+ // calculate the seed
+ CPubKey seed = key.GetPubKey();
+ assert(key.VerifyPubKey(seed));
+
+ // set the hd keypath to "s" -> Seed, refers the seed to itself
+ metadata.hdKeypath = "s";
+ metadata.has_key_origin = false;
+ metadata.hd_seed_id = seed.GetID();
+
+ {
+ LOCK(cs_wallet);
+
+ // mem store the metadata
+ mapKeyMetadata[seed.GetID()] = metadata;
+
+ // write the key&metadata to the database
+ if (!AddKeyPubKey(key, seed))
+ throw std::runtime_error(std::string(__func__) + ": AddKeyPubKey failed");
+ }
+
+ return seed;
+}
+
+void CWallet::SetHDSeed(const CPubKey& seed)
+{
+ LOCK(cs_wallet);
+ // store the keyid (hash160) together with
+ // the child index counter in the database
+ // as a hdchain object
+ CHDChain newHdChain;
+ newHdChain.nVersion = CanSupportFeature(FEATURE_HD_SPLIT) ? CHDChain::VERSION_HD_CHAIN_SPLIT : CHDChain::VERSION_HD_BASE;
+ newHdChain.seed_id = seed.GetID();
+ SetHDChain(newHdChain, false);
+ NotifyCanGetAddressesChanged();
+ UnsetWalletFlag(WALLET_FLAG_BLANK_WALLET);
+}
+
+/**
+ * Mark old keypool keys as used,
+ * and generate all new keys
+ */
+bool CWallet::NewKeyPool()
+{
+ if (IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
+ return false;
+ }
+ {
+ LOCK(cs_wallet);
+ WalletBatch batch(*database);
+
+ for (const int64_t nIndex : setInternalKeyPool) {
+ batch.ErasePool(nIndex);
+ }
+ setInternalKeyPool.clear();
+
+ for (const int64_t nIndex : setExternalKeyPool) {
+ batch.ErasePool(nIndex);
+ }
+ setExternalKeyPool.clear();
+
+ for (const int64_t nIndex : set_pre_split_keypool) {
+ batch.ErasePool(nIndex);
+ }
+ set_pre_split_keypool.clear();
+
+ m_pool_key_to_index.clear();
+
+ if (!TopUpKeyPool()) {
+ return false;
+ }
+ WalletLogPrintf("CWallet::NewKeyPool rewrote keypool\n");
+ }
+ return true;
+}
+
+bool CWallet::TopUpKeyPool(unsigned int kpSize)
+{
+ if (!CanGenerateKeys()) {
+ return false;
+ }
+ {
+ LOCK(cs_wallet);
+
+ if (IsLocked()) return false;
+
+ // Top up key pool
+ unsigned int nTargetSize;
+ if (kpSize > 0)
+ nTargetSize = kpSize;
+ else
+ nTargetSize = std::max(gArgs.GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t) 0);
+
+ // count amount of available keys (internal, external)
+ // make sure the keypool of external and internal keys fits the user selected target (-keypool)
+ int64_t missingExternal = std::max(std::max((int64_t) nTargetSize, (int64_t) 1) - (int64_t)setExternalKeyPool.size(), (int64_t) 0);
+ int64_t missingInternal = std::max(std::max((int64_t) nTargetSize, (int64_t) 1) - (int64_t)setInternalKeyPool.size(), (int64_t) 0);
+
+ if (!IsHDEnabled() || !CanSupportFeature(FEATURE_HD_SPLIT))
+ {
+ // don't create extra internal keys
+ missingInternal = 0;
+ }
+ bool internal = false;
+ WalletBatch batch(*database);
+ for (int64_t i = missingInternal + missingExternal; i--;)
+ {
+ if (i < missingInternal) {
+ internal = true;
+ }
+
+ CPubKey pubkey(GenerateNewKey(batch, internal));
+ AddKeypoolPubkeyWithDB(pubkey, internal, batch);
+ }
+ if (missingInternal + missingExternal > 0) {
+ WalletLogPrintf("keypool added %d keys (%d internal), size=%u (%u internal)\n", missingInternal + missingExternal, missingInternal, setInternalKeyPool.size() + setExternalKeyPool.size() + set_pre_split_keypool.size(), setInternalKeyPool.size());
+ }
+ }
+ NotifyCanGetAddressesChanged();
+ return true;
+}
+
+void CWallet::AddKeypoolPubkeyWithDB(const CPubKey& pubkey, const bool internal, WalletBatch& batch)
+{
+ LOCK(cs_wallet);
+ assert(m_max_keypool_index < std::numeric_limits<int64_t>::max()); // How in the hell did you use so many keys?
+ int64_t index = ++m_max_keypool_index;
+ if (!batch.WritePool(index, CKeyPool(pubkey, internal))) {
+ throw std::runtime_error(std::string(__func__) + ": writing imported pubkey failed");
+ }
+ if (internal) {
+ setInternalKeyPool.insert(index);
+ } else {
+ setExternalKeyPool.insert(index);
+ }
+ m_pool_key_to_index[pubkey.GetID()] = index;
+}
+
+void CWallet::KeepKey(int64_t nIndex)
+{
+ // Remove from key pool
+ WalletBatch batch(*database);
+ batch.ErasePool(nIndex);
+ WalletLogPrintf("keypool keep %d\n", nIndex);
+}
+
+void CWallet::ReturnKey(int64_t nIndex, bool fInternal, const CPubKey& pubkey)
+{
+ // Return to key pool
+ {
+ LOCK(cs_wallet);
+ if (fInternal) {
+ setInternalKeyPool.insert(nIndex);
+ } else if (!set_pre_split_keypool.empty()) {
+ set_pre_split_keypool.insert(nIndex);
+ } else {
+ setExternalKeyPool.insert(nIndex);
+ }
+ m_pool_key_to_index[pubkey.GetID()] = nIndex;
+ NotifyCanGetAddressesChanged();
+ }
+ WalletLogPrintf("keypool return %d\n", nIndex);
+}
+
+bool CWallet::GetKeyFromPool(CPubKey& result, bool internal)
+{
+ if (!CanGetAddresses(internal)) {
+ return false;
+ }
+
+ CKeyPool keypool;
+ {
+ LOCK(cs_wallet);
+ int64_t nIndex;
+ if (!ReserveKeyFromKeyPool(nIndex, keypool, internal) && !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
+ if (IsLocked()) return false;
+ WalletBatch batch(*database);
+ result = GenerateNewKey(batch, internal);
+ return true;
+ }
+ KeepKey(nIndex);
+ result = keypool.vchPubKey;
+ }
+ return true;
+}
+
+bool CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRequestedInternal)
+{
+ nIndex = -1;
+ keypool.vchPubKey = CPubKey();
+ {
+ LOCK(cs_wallet);
+
+ TopUpKeyPool();
+
+ bool fReturningInternal = fRequestedInternal;
+ fReturningInternal &= (IsHDEnabled() && CanSupportFeature(FEATURE_HD_SPLIT)) || IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
+ bool use_split_keypool = set_pre_split_keypool.empty();
+ std::set<int64_t>& setKeyPool = use_split_keypool ? (fReturningInternal ? setInternalKeyPool : setExternalKeyPool) : set_pre_split_keypool;
+
+ // Get the oldest key
+ if (setKeyPool.empty()) {
+ return false;
+ }
+
+ WalletBatch batch(*database);
+
+ auto it = setKeyPool.begin();
+ nIndex = *it;
+ setKeyPool.erase(it);
+ if (!batch.ReadPool(nIndex, keypool)) {
+ throw std::runtime_error(std::string(__func__) + ": read failed");
+ }
+ CPubKey pk;
+ if (!GetPubKey(keypool.vchPubKey.GetID(), pk)) {
+ throw std::runtime_error(std::string(__func__) + ": unknown key in key pool");
+ }
+ // If the key was pre-split keypool, we don't care about what type it is
+ if (use_split_keypool && keypool.fInternal != fReturningInternal) {
+ throw std::runtime_error(std::string(__func__) + ": keypool entry misclassified");
+ }
+ if (!keypool.vchPubKey.IsValid()) {
+ throw std::runtime_error(std::string(__func__) + ": keypool entry invalid");
+ }
+
+ m_pool_key_to_index.erase(keypool.vchPubKey.GetID());
+ WalletLogPrintf("keypool reserve %d\n", nIndex);
+ }
+ NotifyCanGetAddressesChanged();
+ return true;
+}
+
+void CWallet::LearnRelatedScripts(const CPubKey& key, OutputType type)
+{
+ if (key.IsCompressed() && (type == OutputType::P2SH_SEGWIT || type == OutputType::BECH32)) {
+ CTxDestination witdest = WitnessV0KeyHash(key.GetID());
+ CScript witprog = GetScriptForDestination(witdest);
+ // Make sure the resulting program is solvable.
+ assert(IsSolvable(*this, witprog));
+ AddCScript(witprog);
+ }
+}
+
+void CWallet::LearnAllRelatedScripts(const CPubKey& key)
+{
+ // OutputType::P2SH_SEGWIT always adds all necessary scripts for all types.
+ LearnRelatedScripts(key, OutputType::P2SH_SEGWIT);
+}
+
+void CWallet::MarkReserveKeysAsUsed(int64_t keypool_id)
+{
+ AssertLockHeld(cs_wallet);
+ bool internal = setInternalKeyPool.count(keypool_id);
+ if (!internal) assert(setExternalKeyPool.count(keypool_id) || set_pre_split_keypool.count(keypool_id));
+ std::set<int64_t> *setKeyPool = internal ? &setInternalKeyPool : (set_pre_split_keypool.empty() ? &setExternalKeyPool : &set_pre_split_keypool);
+ auto it = setKeyPool->begin();
+
+ WalletBatch batch(*database);
+ while (it != std::end(*setKeyPool)) {
+ const int64_t& index = *(it);
+ if (index > keypool_id) break; // set*KeyPool is ordered
+
+ CKeyPool keypool;
+ if (batch.ReadPool(index, keypool)) { //TODO: This should be unnecessary
+ m_pool_key_to_index.erase(keypool.vchPubKey.GetID());
+ }
+ LearnAllRelatedScripts(keypool.vchPubKey);
+ batch.ErasePool(index);
+ WalletLogPrintf("keypool index %d removed\n", index);
+ it = setKeyPool->erase(it);
+ }
+}
+
+std::vector<CKeyID> GetAffectedKeys(const CScript& spk, const SigningProvider& provider)
+{
+ std::vector<CScript> dummy;
+ FlatSigningProvider out;
+ InferDescriptor(spk, provider)->Expand(0, DUMMY_SIGNING_PROVIDER, dummy, out);
+ std::vector<CKeyID> ret;
+ for (const auto& entry : out.pubkeys) {
+ ret.push_back(entry.first);
+ }
+ return ret;
+}
+
+void CWallet::MarkPreSplitKeys()
+{
+ WalletBatch batch(*database);
+ for (auto it = setExternalKeyPool.begin(); it != setExternalKeyPool.end();) {
+ int64_t index = *it;
+ CKeyPool keypool;
+ if (!batch.ReadPool(index, keypool)) {
+ throw std::runtime_error(std::string(__func__) + ": read keypool entry failed");
+ }
+ keypool.m_pre_split = true;
+ if (!batch.WritePool(index, keypool)) {
+ throw std::runtime_error(std::string(__func__) + ": writing modified keypool entry failed");
+ }
+ set_pre_split_keypool.insert(index);
+ it = setExternalKeyPool.erase(it);
+ }
+}
+
+bool CWallet::AddCScript(const CScript& redeemScript)
+{
+ WalletBatch batch(*database);
+ return AddCScriptWithDB(batch, redeemScript);
+}
+
+bool CWallet::AddCScriptWithDB(WalletBatch& batch, const CScript& redeemScript)
+{
+ if (!FillableSigningProvider::AddCScript(redeemScript))
+ return false;
+ if (batch.WriteCScript(Hash160(redeemScript), redeemScript)) {
+ UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
+ return true;
+ }
+ return false;
+}
+
+bool CWallet::AddKeyOriginWithDB(WalletBatch& batch, const CPubKey& pubkey, const KeyOriginInfo& info)
+{
+ LOCK(cs_wallet);
+ std::copy(info.fingerprint, info.fingerprint + 4, mapKeyMetadata[pubkey.GetID()].key_origin.fingerprint);
+ mapKeyMetadata[pubkey.GetID()].key_origin.path = info.path;
+ mapKeyMetadata[pubkey.GetID()].has_key_origin = true;
+ mapKeyMetadata[pubkey.GetID()].hdKeypath = WriteHDKeypath(info.path);
+ return batch.WriteKeyMetadata(mapKeyMetadata[pubkey.GetID()], pubkey, true);
+}
+
+bool CWallet::ImportScripts(const std::set<CScript> scripts, int64_t timestamp)
+{
+ WalletBatch batch(*database);
+ for (const auto& entry : scripts) {
+ CScriptID id(entry);
+ if (HaveCScript(id)) {
+ WalletLogPrintf("Already have script %s, skipping\n", HexStr(entry));
+ continue;
+ }
+ if (!AddCScriptWithDB(batch, entry)) {
+ return false;
+ }
+
+ if (timestamp > 0) {
+ m_script_metadata[CScriptID(entry)].nCreateTime = timestamp;
+ }
+ }
+ if (timestamp > 0) {
+ UpdateTimeFirstKey(timestamp);
+ }
+
+ return true;
+}
+
+bool CWallet::ImportPrivKeys(const std::map<CKeyID, CKey>& privkey_map, const int64_t timestamp)
+{
+ WalletBatch batch(*database);
+ for (const auto& entry : privkey_map) {
+ const CKey& key = entry.second;
+ CPubKey pubkey = key.GetPubKey();
+ const CKeyID& id = entry.first;
+ assert(key.VerifyPubKey(pubkey));
+ // Skip if we already have the key
+ if (HaveKey(id)) {
+ WalletLogPrintf("Already have key with pubkey %s, skipping\n", HexStr(pubkey));
+ continue;
+ }
+ mapKeyMetadata[id].nCreateTime = timestamp;
+ // If the private key is not present in the wallet, insert it.
+ if (!AddKeyPubKeyWithDB(batch, key, pubkey)) {
+ return false;
+ }
+ UpdateTimeFirstKey(timestamp);
+ }
+ return true;
+}
+
+bool CWallet::ImportPubKeys(const std::vector<CKeyID>& ordered_pubkeys, const std::map<CKeyID, CPubKey>& pubkey_map, const std::map<CKeyID, std::pair<CPubKey, KeyOriginInfo>>& key_origins, const bool add_keypool, const bool internal, const int64_t timestamp)
+{
+ WalletBatch batch(*database);
+ for (const auto& entry : key_origins) {
+ AddKeyOriginWithDB(batch, entry.second.first, entry.second.second);
+ }
+ for (const CKeyID& id : ordered_pubkeys) {
+ auto entry = pubkey_map.find(id);
+ if (entry == pubkey_map.end()) {
+ continue;
+ }
+ const CPubKey& pubkey = entry->second;
+ CPubKey temp;
+ if (GetPubKey(id, temp)) {
+ // Already have pubkey, skipping
+ WalletLogPrintf("Already have pubkey %s, skipping\n", HexStr(temp));
+ continue;
+ }
+ if (!AddWatchOnlyWithDB(batch, GetScriptForRawPubKey(pubkey), timestamp)) {
+ return false;
+ }
+ mapKeyMetadata[id].nCreateTime = timestamp;
+
+ // Add to keypool only works with pubkeys
+ if (add_keypool) {
+ AddKeypoolPubkeyWithDB(pubkey, internal, batch);
+ NotifyCanGetAddressesChanged();
+ }
+ }
+ return true;
+}
+
+bool CWallet::ImportScriptPubKeys(const std::string& label, const std::set<CScript>& script_pub_keys, const bool have_solving_data, const bool apply_label, const int64_t timestamp)
+{
+ WalletBatch batch(*database);
+ for (const CScript& script : script_pub_keys) {
+ if (!have_solving_data || !::IsMine(*this, script)) { // Always call AddWatchOnly for non-solvable watch-only, so that watch timestamp gets updated
+ if (!AddWatchOnlyWithDB(batch, script, timestamp)) {
+ return false;
+ }
+ }
+ CTxDestination dest;
+ ExtractDestination(script, dest);
+ if (apply_label && IsValidDestination(dest)) {
+ SetAddressBookWithDB(batch, dest, label, "receive");
+ }
+ }
+ return true;
+}
+
+std::set<CKeyID> CWallet::GetKeys() const
+{
+ LOCK(cs_KeyStore);
+ if (!IsCrypted()) {
+ return FillableSigningProvider::GetKeys();
+ }
+ std::set<CKeyID> set_address;
+ for (const auto& mi : mapCryptedKeys) {
+ set_address.insert(mi.first);
+ }
+ return set_address;
+}