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eccceaebb1
19324 follow-up (merged via 4714) - `AutoBackupWallet()` call was unreachable. NOTE: It's safe to call it after `Verify()` because 18918 backport moved salvage logic out of `Verify*()`.
5744 lines
214 KiB
C++
5744 lines
214 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2019 The Bitcoin Core developers
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// Copyright (c) 2014-2021 The Dash Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <wallet/wallet.h>
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#include <chain.h>
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#include <chainparams.h>
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#include <consensus/consensus.h>
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#include <consensus/validation.h>
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#include <crypto/common.h>
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#include <fs.h>
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#include <interfaces/chain.h>
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#include <interfaces/wallet.h>
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#include <key.h>
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#include <key_io.h>
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#include <keystore.h>
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#include <policy/fees.h>
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#include <policy/policy.h>
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#include <policy/settings.h>
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#include <primitives/block.h>
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#include <primitives/transaction.h>
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#include <script/script.h>
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#include <script/sign.h>
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#include <txmempool.h>
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#include <util/bip32.h>
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#include <util/error.h>
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#include <util/fees.h>
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#include <util/moneystr.h>
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#include <util/string.h>
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#include <util/translation.h>
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#include <util/validation.h>
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#include <validation.h>
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#include <wallet/coincontrol.h>
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#include <wallet/coinselection.h>
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#include <wallet/fees.h>
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#include <warnings.h>
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#include <coinjoin/client.h>
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#include <coinjoin/options.h>
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#include <governance/governance.h>
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#include <evo/deterministicmns.h>
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#include <evo/providertx.h>
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#include <llmq/instantsend.h>
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#include <llmq/chainlocks.h>
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#include <assert.h>
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#include <boost/algorithm/string/replace.hpp>
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static const size_t OUTPUT_GROUP_MAX_ENTRIES = 10;
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static CCriticalSection cs_wallets;
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static std::vector<std::shared_ptr<CWallet>> vpwallets GUARDED_BY(cs_wallets);
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bool AddWallet(const std::shared_ptr<CWallet>& wallet)
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{
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LOCK(cs_wallets);
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assert(wallet);
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std::vector<std::shared_ptr<CWallet>>::const_iterator i = std::find(vpwallets.begin(), vpwallets.end(), wallet);
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if (i != vpwallets.end()) return false;
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coinJoinClientManagers.emplace(std::make_pair(wallet->GetName(), std::make_shared<CCoinJoinClientManager>(*wallet)));
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vpwallets.push_back(wallet);
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return true;
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}
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bool RemoveWallet(const std::shared_ptr<CWallet>& wallet)
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{
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LOCK(cs_wallets);
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assert(wallet);
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std::vector<std::shared_ptr<CWallet>>::iterator i = std::find(vpwallets.begin(), vpwallets.end(), wallet);
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if (i == vpwallets.end()) return false;
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vpwallets.erase(i);
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auto it = coinJoinClientManagers.find(wallet->GetName());
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coinJoinClientManagers.erase(it);
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return true;
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}
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bool HasWallets()
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{
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LOCK(cs_wallets);
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return !vpwallets.empty();
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}
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std::vector<std::shared_ptr<CWallet>> GetWallets()
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{
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LOCK(cs_wallets);
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return vpwallets;
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}
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std::shared_ptr<CWallet> GetWallet(const std::string& name)
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{
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LOCK(cs_wallets);
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for (const std::shared_ptr<CWallet>& wallet : vpwallets) {
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if (wallet->GetName() == name) return wallet;
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}
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return nullptr;
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}
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static Mutex g_wallet_release_mutex;
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static std::condition_variable g_wallet_release_cv;
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static std::set<std::string> g_unloading_wallet_set;
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// Custom deleter for shared_ptr<CWallet>.
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static void ReleaseWallet(CWallet* wallet)
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{
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// Unregister and delete the wallet right after BlockUntilSyncedToCurrentChain
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// so that it's in sync with the current chainstate.
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const std::string name = wallet->GetName();
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wallet->WalletLogPrintf("Releasing wallet\n");
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wallet->BlockUntilSyncedToCurrentChain();
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wallet->Flush();
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wallet->m_chain_notifications_handler.reset();
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delete wallet;
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// Wallet is now released, notify UnloadWallet, if any.
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{
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LOCK(g_wallet_release_mutex);
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if (g_unloading_wallet_set.erase(name) == 0) {
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// UnloadWallet was not called for this wallet, all done.
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return;
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}
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}
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g_wallet_release_cv.notify_all();
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}
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void UnloadWallet(std::shared_ptr<CWallet>&& wallet)
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{
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// Mark wallet for unloading.
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const std::string name = wallet->GetName();
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{
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LOCK(g_wallet_release_mutex);
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auto it = g_unloading_wallet_set.insert(name);
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assert(it.second);
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}
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// The wallet can be in use so it's not possible to explicitly unload here.
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// Notify the unload intent so that all remaining shared pointers are
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// released.
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wallet->NotifyUnload();
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// Time to ditch our shared_ptr and wait for ReleaseWallet call.
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wallet.reset();
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{
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WAIT_LOCK(g_wallet_release_mutex, lock);
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while (g_unloading_wallet_set.count(name) == 1) {
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g_wallet_release_cv.wait(lock);
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}
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}
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}
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std::shared_ptr<CWallet> LoadWallet(interfaces::Chain& chain, const WalletLocation& location, bilingual_str& error, std::vector<bilingual_str>& warnings)
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{
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if (!CWallet::Verify(chain, location, error, warnings)) {
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error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
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return nullptr;
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}
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std::shared_ptr<CWallet> wallet = CWallet::CreateWalletFromFile(chain, location, error, warnings);
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if (!wallet) {
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error = Untranslated("Wallet loading failed.") + Untranslated(" ") + error;
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return nullptr;
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}
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AddWallet(wallet);
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wallet->postInitProcess();
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return wallet;
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}
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std::shared_ptr<CWallet> LoadWallet(interfaces::Chain& chain, const std::string& name, bilingual_str& error, std::vector<bilingual_str>& warnings)
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{
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return LoadWallet(chain, WalletLocation(name), error, warnings);
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}
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WalletCreationStatus CreateWallet(interfaces::Chain& chain, const SecureString& passphrase, uint64_t wallet_creation_flags, const std::string& name, bilingual_str& error, std::vector<bilingual_str>& warnings, std::shared_ptr<CWallet>& result)
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{
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// Indicate that the wallet is actually supposed to be blank and not just blank to make it encrypted
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bool create_blank = (wallet_creation_flags & WALLET_FLAG_BLANK_WALLET);
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// Born encrypted wallets need to be created blank first.
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if (!passphrase.empty()) {
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wallet_creation_flags |= WALLET_FLAG_BLANK_WALLET;
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}
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// Check the wallet file location
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WalletLocation location(name);
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if (location.Exists()) {
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error = Untranslated(strprintf("Wallet %s already exists.", location.GetName()));
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return WalletCreationStatus::CREATION_FAILED;
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}
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// Wallet::Verify will check if we're trying to create a wallet with a duplicate name.
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if (!CWallet::Verify(chain, location, error, warnings)) {
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error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
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return WalletCreationStatus::CREATION_FAILED;
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}
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// Do not allow a passphrase when private keys are disabled
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if (!passphrase.empty() && (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
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error = Untranslated("Passphrase provided but private keys are disabled. A passphrase is only used to encrypt private keys, so cannot be used for wallets with private keys disabled.");
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return WalletCreationStatus::CREATION_FAILED;
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}
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// Make the wallet
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std::shared_ptr<CWallet> wallet = CWallet::CreateWalletFromFile(chain, location, error, warnings, wallet_creation_flags);
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if (!wallet) {
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error = Untranslated("Wallet creation failed.") + Untranslated(" ") + error;
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return WalletCreationStatus::CREATION_FAILED;
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}
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// Encrypt the wallet
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if (!passphrase.empty() && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
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if (!wallet->EncryptWallet(passphrase)) {
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error = Untranslated("Error: Wallet created but failed to encrypt.");
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return WalletCreationStatus::ENCRYPTION_FAILED;
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}
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if (!create_blank) {
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// Unlock the wallet
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if (!wallet->Unlock(passphrase)) {
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error = Untranslated("Error: Wallet was encrypted but could not be unlocked");
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return WalletCreationStatus::ENCRYPTION_FAILED;
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}
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// Set a HD chain for the wallet
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// TODO: re-enable this and `keypoolsize_hd_internal` check in `wallet_createwallet.py`
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// when HD is the default mode (make sure this actually works!)...
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// if (!wallet->GenerateNewHDChainEncrypted("", "", passphrase)) {
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// throw JSONRPCError(RPC_WALLET_ERROR, "Failed to generate encrypted HD wallet");
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// }
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// ... and drop this
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wallet->UnsetWalletFlag(WALLET_FLAG_BLANK_WALLET);
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wallet->NewKeyPool();
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// end TODO
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// Relock the wallet
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wallet->Lock();
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}
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}
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AddWallet(wallet);
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wallet->postInitProcess();
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result = wallet;
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return WalletCreationStatus::SUCCESS;
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}
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const uint256 CWalletTx::ABANDON_HASH(uint256S("0000000000000000000000000000000000000000000000000000000000000001"));
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/** @defgroup mapWallet
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*
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* @{
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*/
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std::string COutput::ToString() const
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{
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return strprintf("COutput(%s, %d, %d) [%s]", tx->GetHash().ToString(), i, nDepth, FormatMoney(tx->tx->vout[i].nValue));
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}
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/** A class to identify which pubkeys a script and a keystore have in common. */
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class CAffectedKeysVisitor : public boost::static_visitor<void> {
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private:
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const CKeyStore &keystore;
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std::vector<CKeyID> &vKeys;
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public:
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/**
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* @param[in] keystoreIn The CKeyStore that is queried for the presence of a pubkey.
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* @param[out] vKeysIn A vector to which a script's pubkey identifiers are appended if they are in the keystore.
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*/
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CAffectedKeysVisitor(const CKeyStore &keystoreIn, std::vector<CKeyID> &vKeysIn) : keystore(keystoreIn), vKeys(vKeysIn) {}
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/**
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* Apply the visitor to each destination in a script, recursively to the redeemscript
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* in the case of p2sh destinations.
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* @param[in] script The CScript from which destinations are extracted.
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* @post Any CKeyIDs that script and keystore have in common are appended to the visitor's vKeys.
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*/
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void Process(const CScript &script) {
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txnouttype type;
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std::vector<CTxDestination> vDest;
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int nRequired;
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if (ExtractDestinations(script, type, vDest, nRequired)) {
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for (const CTxDestination &dest : vDest)
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boost::apply_visitor(*this, dest);
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}
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}
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void operator()(const CKeyID &keyId) {
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if (keystore.HaveKey(keyId))
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vKeys.push_back(keyId);
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}
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void operator()(const CScriptID &scriptId) {
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CScript script;
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if (keystore.GetCScript(scriptId, script))
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Process(script);
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}
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void operator()(const CNoDestination &none) {}
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};
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const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const
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{
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LOCK(cs_wallet);
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std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(hash);
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if (it == mapWallet.end())
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return nullptr;
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return &(it->second);
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}
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CPubKey CWallet::GenerateNewKey(WalletBatch &batch, uint32_t nAccountIndex, bool fInternal)
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{
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assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS));
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assert(!IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET));
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AssertLockHeld(cs_wallet);
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bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
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CKey secret;
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// Create new metadata
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int64_t nCreationTime = GetTime();
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CKeyMetadata metadata(nCreationTime);
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CPubKey pubkey;
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// use HD key derivation if HD was enabled during wallet creation and a non-null HD chain is present
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if (IsHDEnabled()) {
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DeriveNewChildKey(batch, metadata, secret, nAccountIndex, fInternal);
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pubkey = secret.GetPubKey();
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} else {
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secret.MakeNewKey(fCompressed);
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// Compressed public keys were introduced in version 0.6.0
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if (fCompressed) {
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SetMinVersion(FEATURE_COMPRPUBKEY);
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}
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pubkey = secret.GetPubKey();
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assert(secret.VerifyPubKey(pubkey));
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// Create new metadata
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mapKeyMetadata[pubkey.GetID()] = metadata;
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UpdateTimeFirstKey(nCreationTime);
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if (!AddKeyPubKeyWithDB(batch, secret, pubkey)) {
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throw std::runtime_error(std::string(__func__) + ": AddKey failed");
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}
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}
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return pubkey;
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}
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void CWallet::DeriveNewChildKey(WalletBatch &batch, CKeyMetadata& metadata, CKey& secretRet, uint32_t nAccountIndex, bool fInternal)
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{
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CHDChain hdChainTmp;
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if (!GetHDChain(hdChainTmp)) {
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throw std::runtime_error(std::string(__func__) + ": GetHDChain failed");
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}
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if (!DecryptHDChain(hdChainTmp))
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throw std::runtime_error(std::string(__func__) + ": DecryptHDChain failed");
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// make sure seed matches this chain
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if (hdChainTmp.GetID() != hdChainTmp.GetSeedHash())
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throw std::runtime_error(std::string(__func__) + ": Wrong HD chain!");
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CHDAccount acc;
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if (!hdChainTmp.GetAccount(nAccountIndex, acc))
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throw std::runtime_error(std::string(__func__) + ": Wrong HD account!");
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// derive child key at next index, skip keys already known to the wallet
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CExtKey childKey;
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CKeyMetadata metadataTmp;
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uint32_t nChildIndex = fInternal ? acc.nInternalChainCounter : acc.nExternalChainCounter;
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do {
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// NOTE: DeriveChildExtKey updates metadata, use temporary structure to make sure
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// we start with the original (non-updated) data each time.
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metadataTmp = metadata;
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hdChainTmp.DeriveChildExtKey(nAccountIndex, fInternal, nChildIndex, childKey, metadataTmp);
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// increment childkey index
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nChildIndex++;
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} while (HaveKey(childKey.key.GetPubKey().GetID()));
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metadata = metadataTmp;
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secretRet = childKey.key;
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CPubKey pubkey = secretRet.GetPubKey();
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assert(secretRet.VerifyPubKey(pubkey));
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// store metadata
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mapKeyMetadata[pubkey.GetID()] = metadata;
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UpdateTimeFirstKey(metadata.nCreateTime);
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// update the chain model in the database
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CHDChain hdChainCurrent;
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GetHDChain(hdChainCurrent);
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if (fInternal) {
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acc.nInternalChainCounter = nChildIndex;
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}
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else {
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acc.nExternalChainCounter = nChildIndex;
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}
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if (!hdChainCurrent.SetAccount(nAccountIndex, acc))
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throw std::runtime_error(std::string(__func__) + ": SetAccount failed");
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if (IsCrypted()) {
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if (!SetCryptedHDChain(batch, hdChainCurrent, false))
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throw std::runtime_error(std::string(__func__) + ": SetCryptedHDChain failed");
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}
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else {
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if (!SetHDChain(batch, hdChainCurrent, false))
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throw std::runtime_error(std::string(__func__) + ": SetHDChain failed");
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}
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if (!AddHDPubKey(batch, childKey.Neuter(), fInternal))
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throw std::runtime_error(std::string(__func__) + ": AddHDPubKey failed");
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}
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bool CWallet::GetPubKey(const CKeyID &address, CPubKey& vchPubKeyOut) const
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{
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LOCK(cs_wallet);
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std::map<CKeyID, CHDPubKey>::const_iterator mi = mapHdPubKeys.find(address);
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if (mi != mapHdPubKeys.end())
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{
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const CHDPubKey &hdPubKey = (*mi).second;
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vchPubKeyOut = hdPubKey.extPubKey.pubkey;
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return true;
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}
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else
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return CCryptoKeyStore::GetPubKey(address, vchPubKeyOut);
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}
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bool CWallet::GetKey(const CKeyID &address, CKey& keyOut) const
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{
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LOCK(cs_wallet);
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std::map<CKeyID, CHDPubKey>::const_iterator mi = mapHdPubKeys.find(address);
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if (mi != mapHdPubKeys.end())
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{
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// if the key has been found in mapHdPubKeys, derive it on the fly
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const CHDPubKey &hdPubKey = (*mi).second;
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CHDChain hdChainCurrent;
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if (!GetHDChain(hdChainCurrent))
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throw std::runtime_error(std::string(__func__) + ": GetHDChain failed");
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if (!DecryptHDChain(hdChainCurrent))
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throw std::runtime_error(std::string(__func__) + ": DecryptHDChain failed");
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// make sure seed matches this chain
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if (hdChainCurrent.GetID() != hdChainCurrent.GetSeedHash())
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throw std::runtime_error(std::string(__func__) + ": Wrong HD chain!");
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CExtKey extkey;
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CKeyMetadata metadataTmp;
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hdChainCurrent.DeriveChildExtKey(hdPubKey.nAccountIndex, hdPubKey.nChangeIndex != 0, hdPubKey.extPubKey.nChild, extkey, metadataTmp);
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keyOut = extkey.key;
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return true;
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}
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else {
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return CCryptoKeyStore::GetKey(address, keyOut);
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}
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}
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bool CWallet::HaveKey(const CKeyID &address) const
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{
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LOCK(cs_wallet);
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if (mapHdPubKeys.count(address) > 0)
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return true;
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return CCryptoKeyStore::HaveKey(address);
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}
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bool CWallet::LoadHDPubKey(const CHDPubKey &hdPubKey)
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{
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AssertLockHeld(cs_wallet);
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|
mapHdPubKeys[hdPubKey.extPubKey.pubkey.GetID()] = hdPubKey;
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::AddHDPubKey(WalletBatch &batch, const CExtPubKey &extPubKey, bool fInternal)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
|
|
CHDChain hdChainCurrent;
|
|
GetHDChain(hdChainCurrent);
|
|
|
|
CHDPubKey hdPubKey;
|
|
hdPubKey.extPubKey = extPubKey;
|
|
hdPubKey.hdchainID = hdChainCurrent.GetID();
|
|
hdPubKey.nChangeIndex = fInternal ? 1 : 0;
|
|
mapHdPubKeys[extPubKey.pubkey.GetID()] = hdPubKey;
|
|
|
|
// check if we need to remove from watch-only
|
|
CScript script;
|
|
script = GetScriptForDestination(extPubKey.pubkey.GetID());
|
|
if (HaveWatchOnly(script))
|
|
RemoveWatchOnly(script);
|
|
script = GetScriptForRawPubKey(extPubKey.pubkey);
|
|
if (HaveWatchOnly(script))
|
|
RemoveWatchOnly(script);
|
|
|
|
if (!batch.WriteHDPubKey(hdPubKey, mapKeyMetadata[extPubKey.pubkey.GetID()])) {
|
|
return false;
|
|
}
|
|
UnsetWalletFlag(batch, WALLET_FLAG_BLANK_WALLET);
|
|
return true;
|
|
}
|
|
|
|
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));
|
|
|
|
// CCryptoKeyStore 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 (!CCryptoKeyStore::AddKeyPubKey(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(pubkey.GetID());
|
|
if (HaveWatchOnly(script)) {
|
|
RemoveWatchOnly(script);
|
|
}
|
|
script = GetScriptForRawPubKey(pubkey);
|
|
if (HaveWatchOnly(script)) {
|
|
RemoveWatchOnly(script);
|
|
}
|
|
|
|
if (!IsCrypted()) {
|
|
return batch.WriteKey(pubkey,
|
|
secret.GetPrivKey(),
|
|
mapKeyMetadata[pubkey.GetID()]);
|
|
}
|
|
UnsetWalletFlag(batch, WALLET_FLAG_BLANK_WALLET);
|
|
return true;
|
|
}
|
|
|
|
|
|
bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey)
|
|
{
|
|
WalletBatch batch(*database);
|
|
|
|
return CWallet::AddKeyPubKeyWithDB(batch, secret, pubkey);
|
|
}
|
|
|
|
bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
|
|
const std::vector<unsigned char> &vchCryptedSecret)
|
|
{
|
|
if (!CCryptoKeyStore::AddCryptedKey(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()]);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
// Writes a keymetadata for a public key. overwrite specifies whether to overwrite an existing metadata for that key if there exists one.
|
|
bool CWallet::WriteKeyMetadata(const CKeyMetadata& meta, const CPubKey& pubkey, const bool overwrite)
|
|
{
|
|
return WalletBatch(*database).WriteKeyMetadata(meta, pubkey, overwrite);
|
|
}
|
|
|
|
void CWallet::UpgradeKeyMetadata()
|
|
{
|
|
AssertLockHeld(cs_wallet); // mapKeyMetadata
|
|
if (IsLocked() || IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA) || !IsHDEnabled()) {
|
|
return;
|
|
}
|
|
|
|
CHDChain hdChainCurrent;
|
|
if (!GetHDChain(hdChainCurrent))
|
|
throw std::runtime_error(std::string(__func__) + ": GetHDChain failed");
|
|
if (!DecryptHDChain(hdChainCurrent))
|
|
throw std::runtime_error(std::string(__func__) + ": DecryptHDChain failed");
|
|
|
|
CExtKey masterKey;
|
|
SecureVector vchSeed = hdChainCurrent.GetSeed();
|
|
masterKey.SetSeed(vchSeed.data(), vchSeed.size());
|
|
CKeyID master_id = masterKey.key.GetPubKey().GetID();
|
|
|
|
std::unique_ptr<WalletBatch> batch = MakeUnique<WalletBatch>(*database);
|
|
size_t cnt = 0;
|
|
for (auto& meta_pair : mapKeyMetadata) {
|
|
const CKeyID& keyid = meta_pair.first;
|
|
CKeyMetadata& meta = meta_pair.second;
|
|
if (!meta.has_key_origin) {
|
|
std::map<CKeyID, CHDPubKey>::const_iterator mi = mapHdPubKeys.find(keyid);
|
|
if (mi == mapHdPubKeys.end()) {
|
|
continue;
|
|
}
|
|
|
|
// Add to map
|
|
std::copy(master_id.begin(), master_id.begin() + 4, meta.key_origin.fingerprint);
|
|
if (!ParseHDKeypath(mi->second.GetKeyPath(), meta.key_origin.path)) {
|
|
throw std::runtime_error("Invalid HD keypath");
|
|
}
|
|
meta.has_key_origin = true;
|
|
if (meta.nVersion < CKeyMetadata::VERSION_WITH_KEY_ORIGIN) {
|
|
meta.nVersion = CKeyMetadata::VERSION_WITH_KEY_ORIGIN;
|
|
}
|
|
|
|
// Write meta to wallet
|
|
batch->WriteKeyMetadata(meta, mi->second.extPubKey.pubkey, true);
|
|
if (++cnt % 1000 == 0) {
|
|
// avoid creating overlarge in-memory batches in case the wallet contains large amounts of keys
|
|
batch.reset(new WalletBatch(*database));
|
|
}
|
|
}
|
|
}
|
|
batch.reset(); //write before setting the flag
|
|
SetWalletFlag(WALLET_FLAG_KEY_ORIGIN_METADATA);
|
|
}
|
|
|
|
bool CWallet::LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret)
|
|
{
|
|
return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret);
|
|
}
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
}
|
|
|
|
int64_t CWallet::GetTimeFirstKey() const
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
return nTimeFirstKey;
|
|
}
|
|
|
|
bool CWallet::AddCScript(const CScript& redeemScript)
|
|
{
|
|
WalletBatch batch(*database);
|
|
return AddCScriptWithDB(batch, redeemScript);
|
|
}
|
|
|
|
bool CWallet::AddCScriptWithDB(WalletBatch& batch, const CScript& redeemScript)
|
|
{
|
|
if (!CCryptoKeyStore::AddCScript(redeemScript))
|
|
return false;
|
|
if (batch.WriteCScript(Hash160(redeemScript), redeemScript)) {
|
|
UnsetWalletFlag(batch, WALLET_FLAG_BLANK_WALLET);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
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(CScriptID(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 CCryptoKeyStore::AddCScript(redeemScript);
|
|
}
|
|
|
|
bool CWallet::AddWatchOnlyWithDB(WalletBatch &batch, const CScript& dest)
|
|
{
|
|
if (!CCryptoKeyStore::AddWatchOnly(dest))
|
|
return false;
|
|
const CKeyMetadata& meta = m_script_metadata[CScriptID(dest)];
|
|
UpdateTimeFirstKey(meta.nCreateTime);
|
|
NotifyWatchonlyChanged(true);
|
|
if (batch.WriteWatchOnly(dest, meta)) {
|
|
UnsetWalletFlag(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);
|
|
}
|
|
|
|
bool CWallet::RemoveWatchOnly(const CScript &dest)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
if (!CCryptoKeyStore::RemoveWatchOnly(dest))
|
|
return false;
|
|
if (!HaveWatchOnly())
|
|
NotifyWatchonlyChanged(false);
|
|
if (!WalletBatch(*database).EraseWatchOnly(dest))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::LoadWatchOnly(const CScript &dest)
|
|
{
|
|
return CCryptoKeyStore::AddWatchOnly(dest);
|
|
}
|
|
|
|
bool CWallet::Unlock(const SecureString& strWalletPassphrase, bool fForMixingOnly, bool accept_no_keys)
|
|
{
|
|
if (!IsLocked()) // was already fully unlocked, not only for mixing
|
|
return true;
|
|
|
|
CCrypter crypter;
|
|
CKeyingMaterial _vMasterKey;
|
|
|
|
{
|
|
LOCK(cs_wallet);
|
|
for (const MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
|
|
{
|
|
if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
|
|
return false;
|
|
if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
|
|
continue; // try another master key
|
|
if (CCryptoKeyStore::Unlock(_vMasterKey, fForMixingOnly, accept_no_keys)) {
|
|
// Now that we've unlocked, upgrade the key metadata
|
|
UpgradeKeyMetadata();
|
|
if(nWalletBackups == -2) {
|
|
TopUpKeyPool();
|
|
WalletLogPrintf("Keypool replenished, re-initializing automatic backups.\n");
|
|
nWalletBackups = gArgs.GetArg("-createwalletbackups", 10);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
|
|
{
|
|
bool fWasLocked = IsLocked(true);
|
|
|
|
{
|
|
LOCK(cs_wallet);
|
|
Lock();
|
|
|
|
CCrypter crypter;
|
|
CKeyingMaterial _vMasterKey;
|
|
for (MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
|
|
{
|
|
if(!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
|
|
return false;
|
|
if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
|
|
return false;
|
|
if (CCryptoKeyStore::Unlock(_vMasterKey))
|
|
{
|
|
int64_t nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
|
|
pMasterKey.second.nDeriveIterations = static_cast<unsigned int>(pMasterKey.second.nDeriveIterations * (100 / ((double)(GetTimeMillis() - nStartTime))));
|
|
|
|
nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
|
|
pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + static_cast<unsigned int>(pMasterKey.second.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime)))) / 2;
|
|
|
|
if (pMasterKey.second.nDeriveIterations < 25000)
|
|
pMasterKey.second.nDeriveIterations = 25000;
|
|
|
|
WalletLogPrintf("Wallet passphrase changed to an nDeriveIterations of %i\n", pMasterKey.second.nDeriveIterations);
|
|
|
|
if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
|
|
return false;
|
|
if (!crypter.Encrypt(_vMasterKey, pMasterKey.second.vchCryptedKey))
|
|
return false;
|
|
WalletBatch(*database).WriteMasterKey(pMasterKey.first, pMasterKey.second);
|
|
if (fWasLocked)
|
|
Lock();
|
|
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void CWallet::ChainStateFlushed(const CBlockLocator& loc)
|
|
{
|
|
WalletBatch batch(*database);
|
|
batch.WriteBestBlock(loc);
|
|
}
|
|
|
|
void CWallet::SetMinVersion(enum WalletFeature nVersion, WalletBatch* batch_in, bool fExplicit)
|
|
{
|
|
LOCK(cs_wallet);
|
|
if (nWalletVersion >= nVersion)
|
|
return;
|
|
|
|
// when doing an explicit upgrade, if we pass the max version permitted, upgrade all the way
|
|
if (fExplicit && nVersion > nWalletMaxVersion)
|
|
nVersion = FEATURE_LATEST;
|
|
|
|
nWalletVersion = nVersion;
|
|
|
|
if (nVersion > nWalletMaxVersion)
|
|
nWalletMaxVersion = nVersion;
|
|
|
|
{
|
|
WalletBatch* batch = batch_in ? batch_in : new WalletBatch(*database);
|
|
if (nWalletVersion > 40000)
|
|
batch->WriteMinVersion(nWalletVersion);
|
|
if (!batch_in)
|
|
delete batch;
|
|
}
|
|
}
|
|
|
|
bool CWallet::SetMaxVersion(int nVersion)
|
|
{
|
|
LOCK(cs_wallet);
|
|
// cannot downgrade below current version
|
|
if (nWalletVersion > nVersion)
|
|
return false;
|
|
|
|
nWalletMaxVersion = nVersion;
|
|
|
|
return true;
|
|
}
|
|
|
|
std::set<uint256> CWallet::GetConflicts(const uint256& txid) const
|
|
{
|
|
std::set<uint256> result;
|
|
AssertLockHeld(cs_wallet);
|
|
|
|
std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(txid);
|
|
if (it == mapWallet.end())
|
|
return result;
|
|
const CWalletTx& wtx = it->second;
|
|
|
|
std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
|
|
|
|
for (const CTxIn& txin : wtx.tx->vin)
|
|
{
|
|
if (mapTxSpends.count(txin.prevout) <= 1)
|
|
continue; // No conflict if zero or one spends
|
|
range = mapTxSpends.equal_range(txin.prevout);
|
|
for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it)
|
|
result.insert(_it->second);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void CWallet::Flush()
|
|
{
|
|
database->Flush();
|
|
}
|
|
|
|
void CWallet::Close()
|
|
{
|
|
database->Close();
|
|
}
|
|
|
|
void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> range)
|
|
{
|
|
// We want all the wallet transactions in range to have the same metadata as
|
|
// the oldest (smallest nOrderPos).
|
|
// So: find smallest nOrderPos:
|
|
|
|
int nMinOrderPos = std::numeric_limits<int>::max();
|
|
const CWalletTx* copyFrom = nullptr;
|
|
for (TxSpends::iterator it = range.first; it != range.second; ++it) {
|
|
const CWalletTx* wtx = &mapWallet.at(it->second);
|
|
if (wtx->nOrderPos < nMinOrderPos) {
|
|
nMinOrderPos = wtx->nOrderPos;
|
|
copyFrom = wtx;
|
|
}
|
|
}
|
|
|
|
if (!copyFrom) {
|
|
return;
|
|
}
|
|
|
|
// Now copy data from copyFrom to rest:
|
|
for (TxSpends::iterator it = range.first; it != range.second; ++it)
|
|
{
|
|
const uint256& hash = it->second;
|
|
CWalletTx* copyTo = &mapWallet.at(hash);
|
|
if (copyFrom == copyTo) continue;
|
|
assert(copyFrom && "Oldest wallet transaction in range assumed to have been found.");
|
|
if (!copyFrom->IsEquivalentTo(*copyTo)) continue;
|
|
copyTo->mapValue = copyFrom->mapValue;
|
|
copyTo->vOrderForm = copyFrom->vOrderForm;
|
|
// fTimeReceivedIsTxTime not copied on purpose
|
|
// nTimeReceived not copied on purpose
|
|
copyTo->nTimeSmart = copyFrom->nTimeSmart;
|
|
copyTo->fFromMe = copyFrom->fFromMe;
|
|
// nOrderPos not copied on purpose
|
|
// cached members not copied on purpose
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Outpoint is spent if any non-conflicted transaction
|
|
* spends it:
|
|
*/
|
|
bool CWallet::IsSpent(const uint256& hash, unsigned int n) const
|
|
{
|
|
const COutPoint outpoint(hash, n);
|
|
std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
|
|
range = mapTxSpends.equal_range(outpoint);
|
|
|
|
for (TxSpends::const_iterator it = range.first; it != range.second; ++it)
|
|
{
|
|
const uint256& wtxid = it->second;
|
|
std::map<uint256, CWalletTx>::const_iterator mit = mapWallet.find(wtxid);
|
|
if (mit != mapWallet.end()) {
|
|
int depth = mit->second.GetDepthInMainChain();
|
|
if (depth > 0 || (depth == 0 && !mit->second.isAbandoned()))
|
|
return true; // Spent
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void CWallet::AddToSpends(const COutPoint& outpoint, const uint256& wtxid)
|
|
{
|
|
mapTxSpends.insert(std::make_pair(outpoint, wtxid));
|
|
setWalletUTXO.erase(outpoint);
|
|
|
|
setLockedCoins.erase(outpoint);
|
|
|
|
std::pair<TxSpends::iterator, TxSpends::iterator> range;
|
|
range = mapTxSpends.equal_range(outpoint);
|
|
SyncMetaData(range);
|
|
}
|
|
|
|
|
|
void CWallet::AddToSpends(const uint256& wtxid)
|
|
{
|
|
auto it = mapWallet.find(wtxid);
|
|
assert(it != mapWallet.end());
|
|
CWalletTx& thisTx = it->second;
|
|
if (thisTx.IsCoinBase()) // Coinbases don't spend anything!
|
|
return;
|
|
|
|
for (const CTxIn& txin : thisTx.tx->vin)
|
|
AddToSpends(txin.prevout, wtxid);
|
|
}
|
|
|
|
bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
|
|
{
|
|
if (IsCrypted())
|
|
return false;
|
|
|
|
CKeyingMaterial _vMasterKey;
|
|
|
|
_vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
|
|
GetStrongRandBytes(&_vMasterKey[0], WALLET_CRYPTO_KEY_SIZE);
|
|
|
|
CMasterKey kMasterKey;
|
|
|
|
kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
|
|
GetStrongRandBytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE);
|
|
|
|
CCrypter crypter;
|
|
int64_t nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod);
|
|
kMasterKey.nDeriveIterations = static_cast<unsigned int>(2500000 / ((double)(GetTimeMillis() - nStartTime)));
|
|
|
|
nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod);
|
|
kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + static_cast<unsigned int>(kMasterKey.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime)))) / 2;
|
|
|
|
if (kMasterKey.nDeriveIterations < 25000)
|
|
kMasterKey.nDeriveIterations = 25000;
|
|
|
|
WalletLogPrintf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations);
|
|
|
|
if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod))
|
|
return false;
|
|
if (!crypter.Encrypt(_vMasterKey, kMasterKey.vchCryptedKey))
|
|
return false;
|
|
|
|
{
|
|
LOCK(cs_wallet);
|
|
mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
|
|
assert(!encrypted_batch);
|
|
encrypted_batch = new WalletBatch(*database);
|
|
if (!encrypted_batch->TxnBegin()) {
|
|
delete encrypted_batch;
|
|
encrypted_batch = nullptr;
|
|
return false;
|
|
}
|
|
encrypted_batch->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
|
|
|
|
// must get current HD chain before EncryptKeys
|
|
CHDChain hdChainCurrent;
|
|
GetHDChain(hdChainCurrent);
|
|
|
|
if (!EncryptKeys(_vMasterKey))
|
|
{
|
|
encrypted_batch->TxnAbort();
|
|
delete encrypted_batch;
|
|
encrypted_batch = nullptr;
|
|
// We now probably have half of our keys encrypted in memory, and half not...
|
|
// die and let the user reload the unencrypted wallet.
|
|
assert(false);
|
|
}
|
|
|
|
if (!hdChainCurrent.IsNull()) {
|
|
assert(EncryptHDChain(_vMasterKey));
|
|
|
|
CHDChain hdChainCrypted;
|
|
assert(GetHDChain(hdChainCrypted));
|
|
|
|
DBG(
|
|
tfm::format(std::cout, "EncryptWallet -- current seed: '%s'\n", HexStr(hdChainCurrent.GetSeed()));
|
|
tfm::format(std::cout, "EncryptWallet -- crypted seed: '%s'\n", HexStr(hdChainCrypted.GetSeed()));
|
|
);
|
|
|
|
// ids should match, seed hashes should not
|
|
assert(hdChainCurrent.GetID() == hdChainCrypted.GetID());
|
|
assert(hdChainCurrent.GetSeedHash() != hdChainCrypted.GetSeedHash());
|
|
|
|
assert(SetCryptedHDChain(*encrypted_batch, hdChainCrypted, false));
|
|
}
|
|
|
|
// Encryption was introduced in version 0.4.0
|
|
SetMinVersion(FEATURE_WALLETCRYPT, encrypted_batch, true);
|
|
|
|
if (!encrypted_batch->TxnCommit()) {
|
|
delete encrypted_batch;
|
|
encrypted_batch = nullptr;
|
|
// We now have keys encrypted in memory, but not on disk...
|
|
// die to avoid confusion and let the user reload the unencrypted wallet.
|
|
assert(false);
|
|
}
|
|
|
|
delete encrypted_batch;
|
|
encrypted_batch = nullptr;
|
|
|
|
Lock();
|
|
Unlock(strWalletPassphrase);
|
|
|
|
// if we are not using HD, generate new keypool
|
|
if(IsHDEnabled()) {
|
|
TopUpKeyPool();
|
|
}
|
|
else {
|
|
NewKeyPool();
|
|
}
|
|
|
|
Lock();
|
|
|
|
// Need to completely rewrite the wallet file; if we don't, bdb might keep
|
|
// bits of the unencrypted private key in slack space in the database file.
|
|
database->Rewrite();
|
|
|
|
// BDB seems to have a bad habit of writing old data into
|
|
// slack space in .dat files; that is bad if the old data is
|
|
// unencrypted private keys. So:
|
|
database->ReloadDbEnv();
|
|
|
|
}
|
|
NotifyStatusChanged(this);
|
|
|
|
return true;
|
|
}
|
|
|
|
DBErrors CWallet::ReorderTransactions()
|
|
{
|
|
LOCK(cs_wallet);
|
|
WalletBatch batch(*database);
|
|
|
|
// Old wallets didn't have any defined order for transactions
|
|
// Probably a bad idea to change the output of this
|
|
|
|
// First: get all CWalletTx into a sorted-by-time multimap.
|
|
typedef std::multimap<int64_t, CWalletTx*> TxItems;
|
|
TxItems txByTime;
|
|
|
|
for (auto& entry : mapWallet)
|
|
{
|
|
CWalletTx* wtx = &entry.second;
|
|
txByTime.insert(std::make_pair(wtx->nTimeReceived, wtx));
|
|
}
|
|
|
|
nOrderPosNext = 0;
|
|
std::vector<int64_t> nOrderPosOffsets;
|
|
for (TxItems::iterator it = txByTime.begin(); it != txByTime.end(); ++it)
|
|
{
|
|
CWalletTx *const pwtx = (*it).second;
|
|
int64_t& nOrderPos = pwtx->nOrderPos;
|
|
|
|
if (nOrderPos == -1)
|
|
{
|
|
nOrderPos = nOrderPosNext++;
|
|
nOrderPosOffsets.push_back(nOrderPos);
|
|
|
|
if (!batch.WriteTx(*pwtx))
|
|
return DBErrors::LOAD_FAIL;
|
|
}
|
|
else
|
|
{
|
|
int64_t nOrderPosOff = 0;
|
|
for (const int64_t& nOffsetStart : nOrderPosOffsets)
|
|
{
|
|
if (nOrderPos >= nOffsetStart)
|
|
++nOrderPosOff;
|
|
}
|
|
nOrderPos += nOrderPosOff;
|
|
nOrderPosNext = std::max(nOrderPosNext, nOrderPos + 1);
|
|
|
|
if (!nOrderPosOff)
|
|
continue;
|
|
|
|
// Since we're changing the order, write it back
|
|
if (!batch.WriteTx(*pwtx))
|
|
return DBErrors::LOAD_FAIL;
|
|
}
|
|
}
|
|
batch.WriteOrderPosNext(nOrderPosNext);
|
|
|
|
return DBErrors::LOAD_OK;
|
|
}
|
|
|
|
int64_t CWallet::IncOrderPosNext(WalletBatch* batch)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
int64_t nRet = nOrderPosNext++;
|
|
if (batch) {
|
|
batch->WriteOrderPosNext(nOrderPosNext);
|
|
} else {
|
|
WalletBatch(*database).WriteOrderPosNext(nOrderPosNext);
|
|
}
|
|
return nRet;
|
|
}
|
|
|
|
void CWallet::MarkDirty()
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
for (std::pair<const uint256, CWalletTx>& item : mapWallet)
|
|
item.second.MarkDirty();
|
|
}
|
|
|
|
fAnonymizableTallyCached = false;
|
|
fAnonymizableTallyCachedNonDenom = false;
|
|
}
|
|
|
|
bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose)
|
|
{
|
|
AssertLockHeld(cs_main); // detect potential deadlocks which might be caused by GetListAtChainTip and IsSpent below
|
|
LOCK(cs_wallet);
|
|
|
|
WalletBatch batch(*database, "r+", fFlushOnClose);
|
|
|
|
uint256 hash = wtxIn.GetHash();
|
|
|
|
// Inserts only if not already there, returns tx inserted or tx found
|
|
std::pair<std::map<uint256, CWalletTx>::iterator, bool> ret = mapWallet.insert(std::make_pair(hash, wtxIn));
|
|
CWalletTx& wtx = (*ret.first).second;
|
|
wtx.BindWallet(this);
|
|
bool fInsertedNew = ret.second;
|
|
if (fInsertedNew) {
|
|
wtx.nTimeReceived = chain().getAdjustedTime();
|
|
wtx.nOrderPos = IncOrderPosNext(&batch);
|
|
wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
|
|
wtx.nTimeSmart = ComputeTimeSmart(wtx);
|
|
AddToSpends(hash);
|
|
|
|
auto mnList = deterministicMNManager->GetListAtChainTip();
|
|
for(unsigned int i = 0; i < wtx.tx->vout.size(); ++i) {
|
|
if (IsMine(wtx.tx->vout[i]) && !IsSpent(hash, i)) {
|
|
setWalletUTXO.insert(COutPoint(hash, i));
|
|
if (deterministicMNManager->IsProTxWithCollateral(wtx.tx, i) || mnList.HasMNByCollateral(COutPoint(hash, i))) {
|
|
LockCoin(COutPoint(hash, i));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool fUpdated = false;
|
|
if (!fInsertedNew)
|
|
{
|
|
if (wtxIn.m_confirm.status != wtx.m_confirm.status) {
|
|
wtx.m_confirm.status = wtxIn.m_confirm.status;
|
|
wtx.m_confirm.nIndex = wtxIn.m_confirm.nIndex;
|
|
wtx.m_confirm.hashBlock = wtxIn.m_confirm.hashBlock;
|
|
wtx.m_confirm.block_height = wtxIn.m_confirm.block_height;
|
|
fUpdated = true;
|
|
} else {
|
|
assert(wtx.m_confirm.nIndex == wtxIn.m_confirm.nIndex);
|
|
assert(wtx.m_confirm.hashBlock == wtxIn.m_confirm.hashBlock);
|
|
assert(wtx.m_confirm.block_height == wtxIn.m_confirm.block_height);
|
|
}
|
|
if (wtxIn.fFromMe && wtxIn.fFromMe != wtx.fFromMe)
|
|
{
|
|
wtx.fFromMe = wtxIn.fFromMe;
|
|
fUpdated = true;
|
|
}
|
|
|
|
auto mnList = deterministicMNManager->GetListAtChainTip();
|
|
for (unsigned int i = 0; i < wtx.tx->vout.size(); ++i) {
|
|
if (IsMine(wtx.tx->vout[i]) && !IsSpent(hash, i)) {
|
|
bool new_utxo = setWalletUTXO.insert(COutPoint(hash, i)).second;
|
|
if (new_utxo && (deterministicMNManager->IsProTxWithCollateral(wtx.tx, i) || mnList.HasMNByCollateral(COutPoint(hash, i)))) {
|
|
LockCoin(COutPoint(hash, i));
|
|
}
|
|
fUpdated |= new_utxo;
|
|
}
|
|
}
|
|
}
|
|
|
|
//// debug print
|
|
WalletLogPrintf("AddToWallet %s %s%s\n", wtxIn.GetHash().ToString(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""));
|
|
|
|
// Write to disk
|
|
if (fInsertedNew || fUpdated)
|
|
if (!batch.WriteTx(wtx))
|
|
return false;
|
|
|
|
// Break debit/credit balance caches:
|
|
wtx.MarkDirty();
|
|
|
|
// Notify UI of new or updated transaction
|
|
NotifyTransactionChanged(this, hash, fInsertedNew ? CT_NEW : CT_UPDATED);
|
|
|
|
// notify an external script when a wallet transaction comes in or is updated
|
|
std::string strCmd = gArgs.GetArg("-walletnotify", "");
|
|
|
|
if (!strCmd.empty())
|
|
{
|
|
boost::replace_all(strCmd, "%s", wtxIn.GetHash().GetHex());
|
|
std::thread t(runCommand, strCmd);
|
|
t.detach(); // thread runs free
|
|
}
|
|
|
|
fAnonymizableTallyCached = false;
|
|
fAnonymizableTallyCachedNonDenom = false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void CWallet::LoadToWallet(CWalletTx& wtxIn)
|
|
{
|
|
// If wallet doesn't have a chain (e.g wallet-tool), lock can't be taken.
|
|
auto locked_chain = LockChain();
|
|
if (locked_chain) {
|
|
Optional<int> block_height = locked_chain->getBlockHeight(wtxIn.m_confirm.hashBlock);
|
|
if (block_height) {
|
|
// Update cached block height variable since it not stored in the
|
|
// serialized transaction.
|
|
wtxIn.m_confirm.block_height = *block_height;
|
|
} else if (wtxIn.isConflicted() || wtxIn.isConfirmed()) {
|
|
// If tx block (or conflicting block) was reorged out of chain
|
|
// while the wallet was shutdown, change tx status to UNCONFIRMED
|
|
// and reset block height, hash, and index. ABANDONED tx don't have
|
|
// associated blocks and don't need to be updated. The case where a
|
|
// transaction was reorged out while online and then reconfirmed
|
|
// while offline is covered by the rescan logic.
|
|
wtxIn.setUnconfirmed();
|
|
wtxIn.m_confirm.hashBlock = uint256();
|
|
wtxIn.m_confirm.block_height = 0;
|
|
wtxIn.m_confirm.nIndex = 0;
|
|
}
|
|
}
|
|
uint256 hash = wtxIn.GetHash();
|
|
const auto& ins = mapWallet.emplace(hash, wtxIn);
|
|
CWalletTx& wtx = ins.first->second;
|
|
wtx.BindWallet(this);
|
|
if (/* insertion took place */ ins.second) {
|
|
wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
|
|
}
|
|
AddToSpends(hash);
|
|
for (const CTxIn& txin : wtx.tx->vin) {
|
|
auto it = mapWallet.find(txin.prevout.hash);
|
|
if (it != mapWallet.end()) {
|
|
CWalletTx& prevtx = it->second;
|
|
if (prevtx.isConflicted()) {
|
|
MarkConflicted(prevtx.m_confirm.hashBlock, prevtx.m_confirm.block_height, wtx.GetHash());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, CWalletTx::Confirmation confirm, bool fUpdate)
|
|
{
|
|
const CTransaction& tx = *ptx;
|
|
{
|
|
AssertLockHeld(cs_main); // because of AddToWallet
|
|
AssertLockHeld(cs_wallet);
|
|
|
|
if (!confirm.hashBlock.IsNull()) {
|
|
for (const CTxIn& txin : tx.vin) {
|
|
std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(txin.prevout);
|
|
while (range.first != range.second) {
|
|
if (range.first->second != tx.GetHash()) {
|
|
WalletLogPrintf("Transaction %s (in block %s) conflicts with wallet transaction %s (both spend %s:%i)\n", tx.GetHash().ToString(), confirm.hashBlock.ToString(), range.first->second.ToString(), range.first->first.hash.ToString(), range.first->first.n);
|
|
MarkConflicted(confirm.hashBlock, confirm.block_height, range.first->second);
|
|
}
|
|
range.first++;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool fExisted = mapWallet.count(tx.GetHash()) != 0;
|
|
if (fExisted && !fUpdate) return false;
|
|
if (fExisted || IsMine(tx) || IsFromMe(tx))
|
|
{
|
|
/* Check if any keys in the wallet keypool that were supposed to be unused
|
|
* have appeared in a new transaction. If so, remove those keys from the keypool.
|
|
* This can happen when restoring an old wallet backup that does not contain
|
|
* the mostly recently created transactions from newer versions of the wallet.
|
|
*/
|
|
|
|
WalletBatch batch(*database);
|
|
// loop though all outputs
|
|
for (const CTxOut& txout: tx.vout) {
|
|
// extract addresses, check if they match with an unused keypool key, update metadata if needed
|
|
std::vector<CKeyID> vAffected;
|
|
CAffectedKeysVisitor(*this, vAffected).Process(txout.scriptPubKey);
|
|
for (const CKeyID &keyid : vAffected) {
|
|
std::map<CKeyID, int64_t>::const_iterator mi = m_pool_key_to_index.find(keyid);
|
|
if (mi != m_pool_key_to_index.end()) {
|
|
WalletLogPrintf("%s: Detected a used keypool key, mark all keypool key up to this key as used\n", __func__);
|
|
MarkReserveKeysAsUsed(mi->second);
|
|
|
|
if (!TopUpKeyPool()) {
|
|
WalletLogPrintf("%s: Topping up keypool failed (locked wallet)\n", __func__);
|
|
}
|
|
}
|
|
if (!confirm.hashBlock.IsNull()) {
|
|
int64_t block_time;
|
|
bool found_block = chain().findBlock(confirm.hashBlock, nullptr /* block */, &block_time);
|
|
assert(found_block);
|
|
if (mapKeyMetadata[keyid].nCreateTime > block_time) {
|
|
WalletLogPrintf("%s: Found a key which appears to be used earlier than we expected, updating metadata\n", __func__);
|
|
CPubKey vchPubKey;
|
|
bool res = GetPubKey(keyid, vchPubKey);
|
|
assert(res); // this should never fail
|
|
mapKeyMetadata[keyid].nCreateTime = block_time;
|
|
batch.WriteKeyMetadata(mapKeyMetadata[keyid], vchPubKey, true);
|
|
UpdateTimeFirstKey(block_time);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
CWalletTx wtx(this, ptx);
|
|
|
|
// Block disconnection override an abandoned tx as unconfirmed
|
|
// which means user may have to call abandontransaction again
|
|
wtx.m_confirm = confirm;
|
|
|
|
return AddToWallet(wtx, false);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::TransactionCanBeAbandoned(const uint256& hashTx) const
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
const CWalletTx* wtx = GetWalletTx(hashTx);
|
|
return wtx && !wtx->isAbandoned() && wtx->GetDepthInMainChain() == 0 && !wtx->InMempool();
|
|
}
|
|
|
|
void CWallet::MarkInputsDirty(const CTransactionRef& tx)
|
|
{
|
|
for (const CTxIn& txin : tx->vin) {
|
|
auto it = mapWallet.find(txin.prevout.hash);
|
|
if (it != mapWallet.end()) {
|
|
it->second.MarkDirty();
|
|
}
|
|
}
|
|
}
|
|
|
|
bool CWallet::AbandonTransaction(const uint256& hashTx)
|
|
{
|
|
auto locked_chain = chain().lock(); // Temporary. Removed in upcoming lock cleanup
|
|
LOCK(cs_wallet);
|
|
|
|
WalletBatch batch(*database, "r+");
|
|
|
|
std::set<uint256> todo;
|
|
std::set<uint256> done;
|
|
|
|
// Can't mark abandoned if confirmed or in mempool
|
|
auto it = mapWallet.find(hashTx);
|
|
assert(it != mapWallet.end());
|
|
CWalletTx& origtx = it->second;
|
|
if (origtx.GetDepthInMainChain() != 0 || origtx.InMempool() || origtx.IsLockedByInstantSend()) {
|
|
return false;
|
|
}
|
|
|
|
todo.insert(hashTx);
|
|
|
|
while (!todo.empty()) {
|
|
uint256 now = *todo.begin();
|
|
todo.erase(now);
|
|
done.insert(now);
|
|
auto it = mapWallet.find(now);
|
|
assert(it != mapWallet.end());
|
|
CWalletTx& wtx = it->second;
|
|
int currentconfirm = wtx.GetDepthInMainChain();
|
|
// If the orig tx was not in block, none of its spends can be
|
|
assert(currentconfirm <= 0);
|
|
// if (currentconfirm < 0) {Tx and spends are already conflicted, no need to abandon}
|
|
if (currentconfirm == 0 && !wtx.isAbandoned()) {
|
|
// If the orig tx was not in block/mempool, none of its spends can be in mempool
|
|
assert(!wtx.InMempool());
|
|
wtx.setAbandoned();
|
|
wtx.MarkDirty();
|
|
batch.WriteTx(wtx);
|
|
NotifyTransactionChanged(this, wtx.GetHash(), CT_UPDATED);
|
|
// Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too
|
|
TxSpends::const_iterator iter = mapTxSpends.lower_bound(COutPoint(now, 0));
|
|
while (iter != mapTxSpends.end() && iter->first.hash == now) {
|
|
if (!done.count(iter->second)) {
|
|
todo.insert(iter->second);
|
|
}
|
|
iter++;
|
|
}
|
|
// If a transaction changes 'conflicted' state, that changes the balance
|
|
// available of the outputs it spends. So force those to be recomputed
|
|
MarkInputsDirty(wtx.tx);
|
|
}
|
|
}
|
|
|
|
fAnonymizableTallyCached = false;
|
|
fAnonymizableTallyCachedNonDenom = false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void CWallet::MarkConflicted(const uint256& hashBlock, int conflicting_height, const uint256& hashTx)
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LockAnnotation lock(::cs_main);
|
|
LOCK(cs_wallet); // check WalletBatch::LoadWallet()
|
|
|
|
int conflictconfirms = (m_last_block_processed_height - conflicting_height + 1) * -1;
|
|
// If number of conflict confirms cannot be determined, this means
|
|
// that the block is still unknown or not yet part of the main chain,
|
|
// for example when loading the wallet during a reindex. Do nothing in that
|
|
// case.
|
|
if (conflictconfirms >= 0)
|
|
return;
|
|
|
|
// Do not flush the wallet here for performance reasons
|
|
WalletBatch batch(*database, "r+", false);
|
|
|
|
std::set<uint256> todo;
|
|
std::set<uint256> done;
|
|
|
|
todo.insert(hashTx);
|
|
|
|
while (!todo.empty()) {
|
|
uint256 now = *todo.begin();
|
|
todo.erase(now);
|
|
done.insert(now);
|
|
auto it = mapWallet.find(now);
|
|
assert(it != mapWallet.end());
|
|
CWalletTx& wtx = it->second;
|
|
int currentconfirm = wtx.GetDepthInMainChain();
|
|
if (conflictconfirms < currentconfirm) {
|
|
// Block is 'more conflicted' than current confirm; update.
|
|
// Mark transaction as conflicted with this block.
|
|
wtx.m_confirm.nIndex = 0;
|
|
wtx.m_confirm.hashBlock = hashBlock;
|
|
wtx.m_confirm.block_height = conflicting_height;
|
|
wtx.setConflicted();
|
|
wtx.MarkDirty();
|
|
batch.WriteTx(wtx);
|
|
// Iterate over all its outputs, and mark transactions in the wallet that spend them conflicted too
|
|
TxSpends::const_iterator iter = mapTxSpends.lower_bound(COutPoint(now, 0));
|
|
while (iter != mapTxSpends.end() && iter->first.hash == now) {
|
|
if (!done.count(iter->second)) {
|
|
todo.insert(iter->second);
|
|
}
|
|
iter++;
|
|
}
|
|
// If a transaction changes 'conflicted' state, that changes the balance
|
|
// available of the outputs it spends. So force those to be recomputed
|
|
MarkInputsDirty(wtx.tx);
|
|
}
|
|
}
|
|
|
|
fAnonymizableTallyCached = false;
|
|
fAnonymizableTallyCachedNonDenom = false;
|
|
}
|
|
|
|
void CWallet::SyncTransaction(const CTransactionRef& ptx, CWalletTx::Confirmation confirm, bool update_tx)
|
|
{
|
|
if (!AddToWalletIfInvolvingMe(ptx, confirm, update_tx))
|
|
return; // Not one of ours
|
|
|
|
// If a transaction changes 'conflicted' state, that changes the balance
|
|
// available of the outputs it spends. So force those to be
|
|
// recomputed, also:
|
|
MarkInputsDirty(ptx);
|
|
|
|
fAnonymizableTallyCached = false;
|
|
fAnonymizableTallyCachedNonDenom = false;
|
|
}
|
|
|
|
void CWallet::TransactionAddedToMempool(const CTransactionRef& ptx, int64_t nAcceptTime) {
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
CWalletTx::Confirmation confirm(CWalletTx::Status::UNCONFIRMED, /* block_height */ 0, {}, /* nIndex */ 0);
|
|
SyncTransaction(ptx, confirm);
|
|
|
|
auto it = mapWallet.find(ptx->GetHash());
|
|
if (it != mapWallet.end()) {
|
|
it->second.fInMempool = true;
|
|
}
|
|
}
|
|
|
|
void CWallet::TransactionRemovedFromMempool(const CTransactionRef &ptx, MemPoolRemovalReason reason) {
|
|
if (reason != MemPoolRemovalReason::CONFLICT) {
|
|
LOCK(cs_wallet);
|
|
auto it = mapWallet.find(ptx->GetHash());
|
|
if (it != mapWallet.end()) {
|
|
it->second.fInMempool = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
void CWallet::BlockConnected(const CBlock& block, const std::vector<CTransactionRef>& vtxConflicted, int height)
|
|
{
|
|
const uint256& block_hash = block.GetHash();
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
m_last_block_processed_height = height;
|
|
m_last_block_processed = block_hash;
|
|
for (size_t index = 0; index < block.vtx.size(); index++) {
|
|
CWalletTx::Confirmation confirm(CWalletTx::Status::CONFIRMED, height, block_hash, index);
|
|
SyncTransaction(block.vtx[index], confirm);
|
|
TransactionRemovedFromMempool(block.vtx[index], MemPoolRemovalReason::MANUAL);
|
|
}
|
|
for (const CTransactionRef& ptx : vtxConflicted) {
|
|
TransactionRemovedFromMempool(ptx, MemPoolRemovalReason::MANUAL);
|
|
}
|
|
|
|
// reset cache to make sure no longer immature coins are included
|
|
fAnonymizableTallyCached = false;
|
|
fAnonymizableTallyCachedNonDenom = false;
|
|
}
|
|
|
|
void CWallet::BlockDisconnected(const CBlock& block, int height)
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
// At block disconnection, this will change an abandoned transaction to
|
|
// be unconfirmed, whether or not the transaction is added back to the mempool.
|
|
// User may have to call abandontransaction again. It may be addressed in the
|
|
// future with a stickier abandoned state or even removing abandontransaction call.
|
|
m_last_block_processed_height = height - 1;
|
|
m_last_block_processed = block.hashPrevBlock;
|
|
for (const CTransactionRef& ptx : block.vtx) {
|
|
CWalletTx::Confirmation confirm(CWalletTx::Status::UNCONFIRMED, /* block_height */ 0, {}, /* nIndex */ 0);
|
|
SyncTransaction(ptx, confirm);
|
|
}
|
|
|
|
// reset cache to make sure no longer mature coins are excluded
|
|
fAnonymizableTallyCached = false;
|
|
fAnonymizableTallyCachedNonDenom = false;
|
|
}
|
|
|
|
void CWallet::UpdatedBlockTip()
|
|
{
|
|
m_best_block_time = GetTime();
|
|
}
|
|
|
|
|
|
void CWallet::BlockUntilSyncedToCurrentChain() {
|
|
AssertLockNotHeld(cs_wallet);
|
|
// Skip the queue-draining stuff if we know we're caught up with
|
|
// chainActive.Tip(), otherwise put a callback in the validation interface queue and wait
|
|
// for the queue to drain enough to execute it (indicating we are caught up
|
|
// at least with the time we entered this function).
|
|
uint256 last_block_hash = WITH_LOCK(cs_wallet, return m_last_block_processed);
|
|
chain().waitForNotificationsIfTipChanged(last_block_hash);
|
|
}
|
|
|
|
|
|
isminetype CWallet::IsMine(const CTxIn &txin) const
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
|
|
if (mi != mapWallet.end())
|
|
{
|
|
const CWalletTx& prev = (*mi).second;
|
|
if (txin.prevout.n < prev.tx->vout.size())
|
|
return IsMine(prev.tx->vout[txin.prevout.n]);
|
|
}
|
|
}
|
|
return ISMINE_NO;
|
|
}
|
|
|
|
// Note that this function doesn't distinguish between a 0-valued input,
|
|
// and a not-"is mine" (according to the filter) input.
|
|
CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
|
|
if (mi != mapWallet.end())
|
|
{
|
|
const CWalletTx& prev = (*mi).second;
|
|
if (txin.prevout.n < prev.tx->vout.size())
|
|
if (IsMine(prev.tx->vout[txin.prevout.n]) & filter)
|
|
return prev.tx->vout[txin.prevout.n].nValue;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Recursively determine the rounds of a given input (How deep is the CoinJoin chain for a given input)
|
|
int CWallet::GetRealOutpointCoinJoinRounds(const COutPoint& outpoint, int nRounds) const
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
const int nRoundsMax = MAX_COINJOIN_ROUNDS + CCoinJoinClientOptions::GetRandomRounds();
|
|
|
|
if (nRounds >= nRoundsMax) {
|
|
// there can only be nRoundsMax rounds max
|
|
return nRoundsMax - 1;
|
|
}
|
|
|
|
auto pair = mapOutpointRoundsCache.emplace(outpoint, -10);
|
|
auto nRoundsRef = &pair.first->second;
|
|
if (!pair.second) {
|
|
// we already processed it, just return what we have
|
|
return *nRoundsRef;
|
|
}
|
|
|
|
// TODO wtx should refer to a CWalletTx object, not a pointer, based on surrounding code
|
|
const CWalletTx* wtx = GetWalletTx(outpoint.hash);
|
|
|
|
if (wtx == nullptr || wtx->tx == nullptr) {
|
|
// no such tx in this wallet
|
|
*nRoundsRef = -1;
|
|
LogPrint(BCLog::COINJOIN, "%s FAILED %-70s %3d\n", __func__, outpoint.ToStringShort(), -1);
|
|
return *nRoundsRef;
|
|
}
|
|
|
|
// bounds check
|
|
if (outpoint.n >= wtx->tx->vout.size()) {
|
|
// should never actually hit this
|
|
*nRoundsRef = -4;
|
|
LogPrint(BCLog::COINJOIN, "%s FAILED %-70s %3d\n", __func__, outpoint.ToStringShort(), -4);
|
|
return *nRoundsRef;
|
|
}
|
|
|
|
auto txOutRef = &wtx->tx->vout[outpoint.n];
|
|
|
|
if (CCoinJoin::IsCollateralAmount(txOutRef->nValue)) {
|
|
*nRoundsRef = -3;
|
|
LogPrint(BCLog::COINJOIN, "%s UPDATED %-70s %3d\n", __func__, outpoint.ToStringShort(), *nRoundsRef);
|
|
return *nRoundsRef;
|
|
}
|
|
|
|
// make sure the final output is non-denominate
|
|
if (!CCoinJoin::IsDenominatedAmount(txOutRef->nValue)) { //NOT DENOM
|
|
*nRoundsRef = -2;
|
|
LogPrint(BCLog::COINJOIN, "%s UPDATED %-70s %3d\n", __func__, outpoint.ToStringShort(), *nRoundsRef);
|
|
return *nRoundsRef;
|
|
}
|
|
|
|
for (const auto& out : wtx->tx->vout) {
|
|
if (!CCoinJoin::IsDenominatedAmount(out.nValue)) {
|
|
// this one is denominated but there is another non-denominated output found in the same tx
|
|
*nRoundsRef = 0;
|
|
LogPrint(BCLog::COINJOIN, "%s UPDATED %-70s %3d\n", __func__, outpoint.ToStringShort(), *nRoundsRef);
|
|
return *nRoundsRef;
|
|
}
|
|
}
|
|
|
|
int nShortest = -10; // an initial value, should be no way to get this by calculations
|
|
bool fDenomFound = false;
|
|
// only denoms here so let's look up
|
|
for (const auto& txinNext : wtx->tx->vin) {
|
|
if (IsMine(txinNext)) {
|
|
int n = GetRealOutpointCoinJoinRounds(txinNext.prevout, nRounds + 1);
|
|
// denom found, find the shortest chain or initially assign nShortest with the first found value
|
|
if(n >= 0 && (n < nShortest || nShortest == -10)) {
|
|
nShortest = n;
|
|
fDenomFound = true;
|
|
}
|
|
}
|
|
}
|
|
*nRoundsRef = fDenomFound
|
|
? (nShortest >= nRoundsMax - 1 ? nRoundsMax : nShortest + 1) // good, we a +1 to the shortest one but only nRoundsMax rounds max allowed
|
|
: 0; // too bad, we are the fist one in that chain
|
|
LogPrint(BCLog::COINJOIN, "%s UPDATED %-70s %3d\n", __func__, outpoint.ToStringShort(), *nRoundsRef);
|
|
return *nRoundsRef;
|
|
}
|
|
|
|
// respect current settings
|
|
int CWallet::GetCappedOutpointCoinJoinRounds(const COutPoint& outpoint) const
|
|
{
|
|
LOCK(cs_wallet);
|
|
int realCoinJoinRounds = GetRealOutpointCoinJoinRounds(outpoint);
|
|
return realCoinJoinRounds > CCoinJoinClientOptions::GetRounds() ? CCoinJoinClientOptions::GetRounds() : realCoinJoinRounds;
|
|
}
|
|
|
|
bool CWallet::IsDenominated(const COutPoint& outpoint) const
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
const auto it = mapWallet.find(outpoint.hash);
|
|
if (it == mapWallet.end()) {
|
|
return false;
|
|
}
|
|
|
|
if (outpoint.n >= it->second.tx->vout.size()) {
|
|
return false;
|
|
}
|
|
|
|
return CCoinJoin::IsDenominatedAmount(it->second.tx->vout[outpoint.n].nValue);
|
|
}
|
|
|
|
bool CWallet::IsFullyMixed(const COutPoint& outpoint) const
|
|
{
|
|
int nRounds = GetRealOutpointCoinJoinRounds(outpoint);
|
|
// Mix again if we don't have N rounds yet
|
|
if (nRounds < CCoinJoinClientOptions::GetRounds()) return false;
|
|
|
|
// Try to mix a "random" number of rounds more than minimum.
|
|
// If we have already mixed N + MaxOffset rounds, don't mix again.
|
|
// Otherwise, we should mix again 50% of the time, this results in an exponential decay
|
|
// N rounds 50% N+1 25% N+2 12.5%... until we reach N + GetRandomRounds() rounds where we stop.
|
|
if (nRounds < CCoinJoinClientOptions::GetRounds() + CCoinJoinClientOptions::GetRandomRounds()) {
|
|
CDataStream ss(SER_GETHASH, PROTOCOL_VERSION);
|
|
ss << outpoint << nCoinJoinSalt;
|
|
uint256 nHash;
|
|
CSHA256().Write((const unsigned char*)ss.data(), ss.size()).Finalize(nHash.begin());
|
|
if (ReadLE64(nHash.begin()) % 2 == 0) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
isminetype CWallet::IsMine(const CTxOut& txout) const
|
|
{
|
|
return ::IsMine(*this, txout.scriptPubKey);
|
|
}
|
|
|
|
CAmount CWallet::GetCredit(const CTxOut& txout, const isminefilter& filter) const
|
|
{
|
|
if (!MoneyRange(txout.nValue))
|
|
throw std::runtime_error(std::string(__func__) + ": value out of range");
|
|
return ((IsMine(txout) & filter) ? txout.nValue : 0);
|
|
}
|
|
|
|
bool CWallet::IsChange(const CTxOut& txout) const
|
|
{
|
|
return IsChange(txout.scriptPubKey);
|
|
}
|
|
|
|
bool CWallet::IsChange(const CScript& script) const
|
|
{
|
|
// TODO: fix handling of 'change' outputs. The assumption is that any
|
|
// payment to a script that is ours, but is not in the address book
|
|
// is change. That assumption is likely to break when we implement multisignature
|
|
// wallets that return change back into a multi-signature-protected address;
|
|
// a better way of identifying which outputs are 'the send' and which are
|
|
// 'the change' will need to be implemented (maybe extend CWalletTx to remember
|
|
// which output, if any, was change).
|
|
if (::IsMine(*this, script))
|
|
{
|
|
CTxDestination address;
|
|
if (!ExtractDestination(script, address))
|
|
return true;
|
|
|
|
LOCK(cs_wallet);
|
|
if (!mapAddressBook.count(address))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
CAmount CWallet::GetChange(const CTxOut& txout) const
|
|
{
|
|
if (!MoneyRange(txout.nValue))
|
|
throw std::runtime_error(std::string(__func__) + ": value out of range");
|
|
return (IsChange(txout) ? txout.nValue : 0);
|
|
}
|
|
|
|
void CWallet::GenerateNewHDChain(const SecureString& secureMnemonic, const SecureString& secureMnemonicPassphrase)
|
|
{
|
|
assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS));
|
|
CHDChain newHdChain;
|
|
|
|
// NOTE: an empty mnemonic means "generate a new one for me"
|
|
// NOTE: default mnemonic passphrase is an empty string
|
|
if (!newHdChain.SetMnemonic(secureMnemonic, secureMnemonicPassphrase, true)) {
|
|
throw std::runtime_error(std::string(__func__) + ": SetMnemonic failed");
|
|
}
|
|
|
|
// add default account
|
|
newHdChain.AddAccount();
|
|
newHdChain.Debug(__func__);
|
|
|
|
if (!SetHDChainSingle(newHdChain, false)) {
|
|
throw std::runtime_error(std::string(__func__) + ": SetHDChainSingle failed");
|
|
}
|
|
|
|
if (!NewKeyPool()) {
|
|
throw std::runtime_error(std::string(__func__) + ": NewKeyPool failed");
|
|
}
|
|
}
|
|
|
|
bool CWallet::GenerateNewHDChainEncrypted(const SecureString& secureMnemonic, const SecureString& secureMnemonicPassphrase, const SecureString& secureWalletPassphrase)
|
|
{
|
|
assert(!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS));
|
|
LOCK(cs_wallet);
|
|
|
|
if (!IsCrypted()) {
|
|
return false;
|
|
}
|
|
|
|
CCrypter crypter;
|
|
CKeyingMaterial vMasterKey;
|
|
CHDChain hdChainTmp;
|
|
|
|
// NOTE: an empty mnemonic means "generate a new one for me"
|
|
// NOTE: default mnemonic passphrase is an empty string
|
|
if (!hdChainTmp.SetMnemonic(secureMnemonic, secureMnemonicPassphrase, true)) {
|
|
throw std::runtime_error(std::string(__func__) + ": SetMnemonic failed");
|
|
}
|
|
|
|
// add default account
|
|
hdChainTmp.AddAccount();
|
|
hdChainTmp.Debug(__func__);
|
|
|
|
for (const MasterKeyMap::value_type& pMasterKey : mapMasterKeys) {
|
|
if (!crypter.SetKeyFromPassphrase(secureWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod)) {
|
|
return false;
|
|
}
|
|
// get vMasterKey to encrypt new hdChain
|
|
if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey)) {
|
|
continue; // try another master key
|
|
}
|
|
|
|
bool res = EncryptHDChain(vMasterKey, hdChainTmp);
|
|
assert(res);
|
|
|
|
CHDChain hdChainCrypted;
|
|
res = GetHDChain(hdChainCrypted);
|
|
assert(res);
|
|
|
|
DBG(
|
|
tfm::format(std::cout, "GenerateNewHDChainEncrypted -- current seed: '%s'\n", HexStr(hdChainTmp.GetSeed()));
|
|
tfm::format(std::cout, "GenerateNewHDChainEncrypted -- crypted seed: '%s'\n", HexStr(hdChainCrypted.GetSeed()));
|
|
);
|
|
|
|
// ids should match, seed hashes should not
|
|
assert(hdChainTmp.GetID() == hdChainCrypted.GetID());
|
|
assert(hdChainTmp.GetSeedHash() != hdChainCrypted.GetSeedHash());
|
|
|
|
hdChainCrypted.Debug(__func__);
|
|
|
|
if (SetCryptedHDChainSingle(hdChainCrypted, false)) {
|
|
Lock();
|
|
if (!Unlock(secureWalletPassphrase)) {
|
|
// this should never happen
|
|
throw std::runtime_error(std::string(__func__) + ": Unlock failed");
|
|
}
|
|
if (!NewKeyPool()) {
|
|
throw std::runtime_error(std::string(__func__) + ": NewKeyPool failed");
|
|
}
|
|
Lock();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::SetHDChain(WalletBatch &batch, const CHDChain& chain, bool memonly)
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
if (!CCryptoKeyStore::SetHDChain(chain))
|
|
return false;
|
|
|
|
if (!memonly) {
|
|
if (!batch.WriteHDChain(chain)) {
|
|
throw std::runtime_error(std::string(__func__) + ": WriteHDChain failed");
|
|
}
|
|
|
|
UnsetWalletFlag(batch, WALLET_FLAG_BLANK_WALLET);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::SetCryptedHDChain(WalletBatch &batch, const CHDChain& chain, bool memonly)
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
if (!CCryptoKeyStore::SetCryptedHDChain(chain))
|
|
return false;
|
|
|
|
if (!memonly) {
|
|
if (encrypted_batch) {
|
|
if (!encrypted_batch->WriteCryptedHDChain(chain))
|
|
throw std::runtime_error(std::string(__func__) + ": WriteCryptedHDChain failed");
|
|
} else {
|
|
if (!batch.WriteCryptedHDChain(chain))
|
|
throw std::runtime_error(std::string(__func__) + ": WriteCryptedHDChain failed");
|
|
}
|
|
UnsetWalletFlag(batch, WALLET_FLAG_BLANK_WALLET);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::SetHDChainSingle(const CHDChain& chain, bool memonly)
|
|
{
|
|
WalletBatch batch(*database);
|
|
return SetHDChain(batch, chain, memonly);
|
|
}
|
|
|
|
bool CWallet::SetCryptedHDChainSingle(const CHDChain& chain, bool memonly)
|
|
{
|
|
WalletBatch batch(*database);
|
|
return SetCryptedHDChain(batch, chain, memonly);
|
|
}
|
|
|
|
bool CWallet::GetDecryptedHDChain(CHDChain& hdChainRet)
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
CHDChain hdChainTmp;
|
|
if (!GetHDChain(hdChainTmp)) {
|
|
return false;
|
|
}
|
|
|
|
if (!DecryptHDChain(hdChainTmp))
|
|
return false;
|
|
|
|
// make sure seed matches this chain
|
|
if (hdChainTmp.GetID() != hdChainTmp.GetSeedHash())
|
|
return false;
|
|
|
|
hdChainRet = hdChainTmp;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::IsHDEnabled() const
|
|
{
|
|
CHDChain hdChainCurrent;
|
|
return GetHDChain(hdChainCurrent);
|
|
}
|
|
|
|
bool CWallet::IsMine(const CTransaction& tx) const
|
|
{
|
|
for (const CTxOut& txout : tx.vout)
|
|
if (IsMine(txout))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::IsFromMe(const CTransaction& tx) const
|
|
{
|
|
return (GetDebit(tx, ISMINE_ALL) > 0);
|
|
}
|
|
|
|
CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) const
|
|
{
|
|
CAmount nDebit = 0;
|
|
for (const CTxIn& txin : tx.vin)
|
|
{
|
|
nDebit += GetDebit(txin, filter);
|
|
if (!MoneyRange(nDebit))
|
|
throw std::runtime_error(std::string(__func__) + ": value out of range");
|
|
}
|
|
return nDebit;
|
|
}
|
|
|
|
bool CWallet::IsAllFromMe(const CTransaction& tx, const isminefilter& filter) const
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
for (const CTxIn& txin : tx.vin)
|
|
{
|
|
auto mi = mapWallet.find(txin.prevout.hash);
|
|
if (mi == mapWallet.end())
|
|
return false; // any unknown inputs can't be from us
|
|
|
|
const CWalletTx& prev = (*mi).second;
|
|
|
|
if (txin.prevout.n >= prev.tx->vout.size())
|
|
return false; // invalid input!
|
|
|
|
if (!(IsMine(prev.tx->vout[txin.prevout.n]) & filter))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
CAmount CWallet::GetCredit(const CTransaction& tx, const isminefilter& filter) const
|
|
{
|
|
CAmount nCredit = 0;
|
|
for (const CTxOut& txout : tx.vout)
|
|
{
|
|
nCredit += GetCredit(txout, filter);
|
|
if (!MoneyRange(nCredit))
|
|
throw std::runtime_error(std::string(__func__) + ": value out of range");
|
|
}
|
|
return nCredit;
|
|
}
|
|
|
|
CAmount CWallet::GetChange(const CTransaction& tx) const
|
|
{
|
|
CAmount nChange = 0;
|
|
for (const CTxOut& txout : tx.vout)
|
|
{
|
|
nChange += GetChange(txout);
|
|
if (!MoneyRange(nChange))
|
|
throw std::runtime_error(std::string(__func__) + ": value out of range");
|
|
}
|
|
return nChange;
|
|
}
|
|
|
|
bool CWallet::CanGenerateKeys()
|
|
{
|
|
LOCK(cs_wallet);
|
|
if (IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) || IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::CanGetAddresses(bool internal)
|
|
{
|
|
LOCK(cs_wallet);
|
|
// Check if the keypool has keys
|
|
bool keypool_has_keys;
|
|
if (internal && CanSupportFeature(FEATURE_HD)) {
|
|
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;
|
|
}
|
|
|
|
void CWallet::SetWalletFlag(uint64_t flags)
|
|
{
|
|
LOCK(cs_wallet);
|
|
m_wallet_flags |= flags;
|
|
if (!WalletBatch(*database).WriteWalletFlags(m_wallet_flags))
|
|
throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
|
|
}
|
|
|
|
void CWallet::UnsetWalletFlag(uint64_t flag)
|
|
{
|
|
LOCK(cs_wallet);
|
|
WalletBatch batch(*database);
|
|
UnsetWalletFlag(batch, flag);
|
|
}
|
|
|
|
void CWallet::UnsetWalletFlag(WalletBatch& batch, uint64_t flag)
|
|
{
|
|
LOCK(cs_wallet);
|
|
m_wallet_flags &= ~flag;
|
|
if (!batch.WriteWalletFlags(m_wallet_flags))
|
|
throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
|
|
}
|
|
|
|
bool CWallet::IsWalletFlagSet(uint64_t flag)
|
|
{
|
|
return (m_wallet_flags & flag);
|
|
}
|
|
|
|
bool CWallet::SetWalletFlags(uint64_t overwriteFlags, bool memonly)
|
|
{
|
|
LOCK(cs_wallet);
|
|
m_wallet_flags = overwriteFlags;
|
|
if (((overwriteFlags & g_known_wallet_flags) >> 32) ^ (overwriteFlags >> 32)) {
|
|
// contains unknown non-tolerable wallet flags
|
|
return false;
|
|
}
|
|
if (!memonly && !WalletBatch(*database).WriteWalletFlags(m_wallet_flags)) {
|
|
throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
int64_t CWalletTx::GetTxTime() const
|
|
{
|
|
int64_t n = nTimeSmart;
|
|
return n ? n : nTimeReceived;
|
|
}
|
|
|
|
// Helper for producing a max-sized low-S low-R signature (eg 71 bytes)
|
|
// or a max-sized low-S signature (e.g. 72 bytes) if use_max_sig is true
|
|
bool CWallet::DummySignInput(CTxIn &tx_in, const CTxOut &txout, bool use_max_sig) const
|
|
{
|
|
// Fill in dummy signatures for fee calculation.
|
|
const CScript& scriptPubKey = txout.scriptPubKey;
|
|
SignatureData sigdata;
|
|
|
|
if (!ProduceSignature(*this, use_max_sig ? DUMMY_MAXIMUM_SIGNATURE_CREATOR : DUMMY_SIGNATURE_CREATOR, scriptPubKey, sigdata)) {
|
|
return false;
|
|
}
|
|
UpdateInput(tx_in, sigdata);
|
|
return true;
|
|
}
|
|
|
|
// Helper for producing a bunch of max-sized low-S low-R signatures (eg 71 bytes)
|
|
bool CWallet::DummySignTx(CMutableTransaction &txNew, const std::vector<CTxOut> &txouts, bool use_max_sig) const
|
|
{
|
|
// Fill in dummy signatures for fee calculation.
|
|
int nIn = 0;
|
|
for (const auto& txout : txouts)
|
|
{
|
|
if (!DummySignInput(txNew.vin[nIn], txout, use_max_sig)) {
|
|
return false;
|
|
}
|
|
|
|
nIn++;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::ImportScripts(const std::set<CScript> scripts)
|
|
{
|
|
WalletBatch batch(*database);
|
|
for (const auto& entry : scripts) {
|
|
if (!HaveCScript(CScriptID(entry)) && !AddCScriptWithDB(batch, entry)) {
|
|
return false;
|
|
}
|
|
}
|
|
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));
|
|
mapKeyMetadata[id].nCreateTime = timestamp;
|
|
// If the private key is not present in the wallet, insert it.
|
|
if (!HaveKey(id) && !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 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) && !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();
|
|
}
|
|
}
|
|
for (const auto& entry : key_origins) {
|
|
AddKeyOrigin(entry.second.first, entry.second.second);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::ImportScriptPubKeys(const std::string& label, const std::set<CScript>& script_pub_keys, const bool have_solving_data, const bool internal, 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 (!internal && IsValidDestination(dest)) {
|
|
SetAddressBookWithDB(batch, dest, label, "receive");
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *wallet, bool use_max_sig)
|
|
{
|
|
std::vector<CTxOut> txouts;
|
|
for (const CTxIn& input : tx.vin) {
|
|
const auto mi = wallet->mapWallet.find(input.prevout.hash);
|
|
// Can not estimate size without knowing the input details
|
|
if (mi == wallet->mapWallet.end()) {
|
|
return -1;
|
|
}
|
|
assert(input.prevout.n < mi->second.tx->vout.size());
|
|
txouts.emplace_back(mi->second.tx->vout[input.prevout.n]);
|
|
}
|
|
return CalculateMaximumSignedTxSize(tx, wallet, txouts, use_max_sig);
|
|
}
|
|
|
|
// txouts needs to be in the order of tx.vin
|
|
int64_t CalculateMaximumSignedTxSize(const CTransaction &tx, const CWallet *wallet, const std::vector<CTxOut>& txouts, bool use_max_sig)
|
|
{
|
|
CMutableTransaction txNew(tx);
|
|
if (!wallet->DummySignTx(txNew, txouts, use_max_sig)) {
|
|
return -1;
|
|
}
|
|
return ::GetSerializeSize(txNew, SER_NETWORK, PROTOCOL_VERSION);
|
|
}
|
|
|
|
int CalculateMaximumSignedInputSize(const CTxOut& txout, const CWallet* wallet, bool use_max_sig)
|
|
{
|
|
CMutableTransaction txn;
|
|
txn.vin.push_back(CTxIn(COutPoint()));
|
|
if (!wallet->DummySignInput(txn.vin[0], txout, use_max_sig)) {
|
|
// This should never happen, because IsAllFromMe(ISMINE_SPENDABLE)
|
|
// implies that we can sign for every input.
|
|
return -1;
|
|
}
|
|
return ::GetSerializeSize(txn.vin[0], SER_NETWORK, PROTOCOL_VERSION);
|
|
}
|
|
|
|
void CWalletTx::GetAmounts(std::list<COutputEntry>& listReceived,
|
|
std::list<COutputEntry>& listSent, CAmount& nFee, const isminefilter& filter) const
|
|
{
|
|
nFee = 0;
|
|
listReceived.clear();
|
|
listSent.clear();
|
|
|
|
// Compute fee:
|
|
CAmount nDebit = GetDebit(filter);
|
|
if (nDebit > 0) // debit>0 means we signed/sent this transaction
|
|
{
|
|
CAmount nValueOut = tx->GetValueOut();
|
|
nFee = nDebit - nValueOut;
|
|
}
|
|
|
|
// Sent/received.
|
|
for (unsigned int i = 0; i < tx->vout.size(); ++i)
|
|
{
|
|
const CTxOut& txout = tx->vout[i];
|
|
isminetype fIsMine = pwallet->IsMine(txout);
|
|
// Only need to handle txouts if AT LEAST one of these is true:
|
|
// 1) they debit from us (sent)
|
|
// 2) the output is to us (received)
|
|
if (nDebit > 0)
|
|
{
|
|
// Don't report 'change' txouts
|
|
if (pwallet->IsChange(txout))
|
|
continue;
|
|
}
|
|
else if (!(fIsMine & filter))
|
|
continue;
|
|
|
|
// In either case, we need to get the destination address
|
|
CTxDestination address;
|
|
|
|
if (!ExtractDestination(txout.scriptPubKey, address) && !txout.scriptPubKey.IsUnspendable())
|
|
{
|
|
pwallet->WalletLogPrintf("CWalletTx::GetAmounts: Unknown transaction type found, txid %s\n",
|
|
this->GetHash().ToString());
|
|
address = CNoDestination();
|
|
}
|
|
|
|
COutputEntry output = {address, txout.nValue, (int)i};
|
|
|
|
// If we are debited by the transaction, add the output as a "sent" entry
|
|
if (nDebit > 0)
|
|
listSent.push_back(output);
|
|
|
|
// If we are receiving the output, add it as a "received" entry
|
|
if (fIsMine & filter)
|
|
listReceived.push_back(output);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Scan active chain for relevant transactions after importing keys. This should
|
|
* be called whenever new keys are added to the wallet, with the oldest key
|
|
* creation time.
|
|
*
|
|
* @return Earliest timestamp that could be successfully scanned from. Timestamp
|
|
* returned will be higher than startTime if relevant blocks could not be read.
|
|
*/
|
|
int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& reserver, bool update)
|
|
{
|
|
// Find starting block. May be null if nCreateTime is greater than the
|
|
// highest blockchain timestamp, in which case there is nothing that needs
|
|
// to be scanned.
|
|
uint256 start_block;
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
const Optional<int> start_height = locked_chain->findFirstBlockWithTimeAndHeight(startTime - TIMESTAMP_WINDOW, 0, &start_block);
|
|
const Optional<int> tip_height = locked_chain->getHeight();
|
|
WalletLogPrintf("%s: Rescanning last %i blocks\n", __func__, tip_height && start_height ? *tip_height - *start_height + 1 : 0);
|
|
}
|
|
|
|
if (!start_block.IsNull()) {
|
|
// TODO: this should take into account failure by ScanResult::USER_ABORT
|
|
ScanResult result = ScanForWalletTransactions(start_block, {} /* stop_block */, reserver, update);
|
|
if (result.status == ScanResult::FAILURE) {
|
|
int64_t time_max;
|
|
if (!chain().findBlock(result.last_failed_block, nullptr /* block */, nullptr /* time */, &time_max)) {
|
|
throw std::logic_error("ScanForWalletTransactions returned invalid block hash");
|
|
}
|
|
return time_max + TIMESTAMP_WINDOW + 1;
|
|
}
|
|
}
|
|
return startTime;
|
|
}
|
|
|
|
/**
|
|
* Scan the block chain (starting in start_block) for transactions
|
|
* from or to us. If fUpdate is true, found transactions that already
|
|
* exist in the wallet will be updated.
|
|
*
|
|
* @param[in] start_block Scan starting block. If block is not on the active
|
|
* chain, the scan will return SUCCESS immediately.
|
|
* @param[in] stop_block Scan ending block. If block is not on the active
|
|
* chain, the scan will continue until it reaches the
|
|
* chain tip.
|
|
*
|
|
* @return ScanResult returning scan information and indicating success or
|
|
* failure. Return status will be set to SUCCESS if scan was
|
|
* successful. FAILURE if a complete rescan was not possible (due to
|
|
* pruning or corruption). USER_ABORT if the rescan was aborted before
|
|
* it could complete.
|
|
*
|
|
* @pre Caller needs to make sure start_block (and the optional stop_block) are on
|
|
* the main chain after to the addition of any new keys you want to detect
|
|
* transactions for.
|
|
*/
|
|
CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_block, const uint256& stop_block, const WalletRescanReserver& reserver, bool fUpdate)
|
|
{
|
|
int64_t nNow = GetTime();
|
|
int64_t start_time = GetTimeMillis();
|
|
|
|
assert(reserver.isReserved());
|
|
|
|
uint256 block_hash = start_block;
|
|
ScanResult result;
|
|
|
|
WalletLogPrintf("Rescan started from block %s...\n", start_block.ToString());
|
|
|
|
fAbortRescan = false;
|
|
ShowProgress(strprintf("%s " + _("Rescanning...").translated, GetDisplayName()), 0); // show rescan progress in GUI as dialog or on splashscreen, if -rescan on startup
|
|
uint256 tip_hash;
|
|
// The way the 'block_height' is initialized is just a workaround for the gcc bug #47679 since version 4.6.0.
|
|
Optional<int> block_height = MakeOptional(false, int());
|
|
double progress_begin;
|
|
double progress_end;
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
if (Optional<int> tip_height = locked_chain->getHeight()) {
|
|
tip_hash = locked_chain->getBlockHash(*tip_height);
|
|
}
|
|
block_height = locked_chain->getBlockHeight(block_hash);
|
|
progress_begin = chain().guessVerificationProgress(block_hash);
|
|
progress_end = chain().guessVerificationProgress(stop_block.IsNull() ? tip_hash : stop_block);
|
|
}
|
|
double progress_current = progress_begin;
|
|
while (block_height && !fAbortRescan && !chain().shutdownRequested()) {
|
|
m_scanning_progress = (progress_current - progress_begin) / (progress_end - progress_begin);
|
|
if (*block_height % 100 == 0 && progress_end - progress_begin > 0.0) {
|
|
ShowProgress(strprintf("%s " + _("Rescanning...").translated, GetDisplayName()), std::max(1, std::min(99, (int)(m_scanning_progress * 100))));
|
|
}
|
|
if (GetTime() >= nNow + 60) {
|
|
nNow = GetTime();
|
|
WalletLogPrintf("Still rescanning. At block %d. Progress=%f\n", *block_height, progress_current);
|
|
}
|
|
|
|
CBlock block;
|
|
if (chain().findBlock(block_hash, &block) && !block.IsNull()) {
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
if (!locked_chain->getBlockHeight(block_hash)) {
|
|
// Abort scan if current block is no longer active, to prevent
|
|
// marking transactions as coming from the wrong block.
|
|
// TODO: This should return success instead of failure, see
|
|
// https://github.com/bitcoin/bitcoin/pull/14711#issuecomment-458342518
|
|
result.last_failed_block = block_hash;
|
|
result.status = ScanResult::FAILURE;
|
|
break;
|
|
}
|
|
for (size_t posInBlock = 0; posInBlock < block.vtx.size(); ++posInBlock) {
|
|
CWalletTx::Confirmation confirm(CWalletTx::Status::CONFIRMED, *block_height, block_hash, posInBlock);
|
|
SyncTransaction(block.vtx[posInBlock], confirm, fUpdate);
|
|
}
|
|
// scan succeeded, record block as most recent successfully scanned
|
|
result.last_scanned_block = block_hash;
|
|
result.last_scanned_height = *block_height;
|
|
} else {
|
|
// could not scan block, keep scanning but record this block as the most recent failure
|
|
result.last_failed_block = block_hash;
|
|
result.status = ScanResult::FAILURE;
|
|
}
|
|
if (block_hash == stop_block) {
|
|
break;
|
|
}
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
Optional<int> tip_height = locked_chain->getHeight();
|
|
if (!tip_height || *tip_height <= block_height || !locked_chain->getBlockHeight(block_hash)) {
|
|
// break successfully when rescan has reached the tip, or
|
|
// previous block is no longer on the chain due to a reorg
|
|
break;
|
|
}
|
|
|
|
// increment block and verification progress
|
|
block_hash = locked_chain->getBlockHash(++*block_height);
|
|
progress_current = chain().guessVerificationProgress(block_hash);
|
|
|
|
// handle updated tip hash
|
|
const uint256 prev_tip_hash = tip_hash;
|
|
tip_hash = locked_chain->getBlockHash(*tip_height);
|
|
if (stop_block.IsNull() && prev_tip_hash != tip_hash) {
|
|
// in case the tip has changed, update progress max
|
|
progress_end = chain().guessVerificationProgress(tip_hash);
|
|
}
|
|
}
|
|
}
|
|
ShowProgress(strprintf("%s " + _("Rescanning...").translated, GetDisplayName()), 100); // hide progress dialog in GUI
|
|
if (block_height && fAbortRescan) {
|
|
WalletLogPrintf("Rescan aborted at block %d. Progress=%f\n", *block_height, progress_current);
|
|
result.status = ScanResult::USER_ABORT;
|
|
} else if (block_height && chain().shutdownRequested()) {
|
|
WalletLogPrintf("Rescan interrupted by shutdown request at block %d. Progress=%f\n", *block_height, progress_current);
|
|
result.status = ScanResult::USER_ABORT;
|
|
} else {
|
|
WalletLogPrintf("Rescan completed in %15dms\n", GetTimeMillis() - start_time);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void CWallet::ReacceptWalletTransactions()
|
|
{
|
|
// If transactions aren't being broadcasted, don't let them into local mempool either
|
|
if (!fBroadcastTransactions)
|
|
return;
|
|
std::map<int64_t, CWalletTx*> mapSorted;
|
|
|
|
// Sort pending wallet transactions based on their initial wallet insertion order
|
|
for (std::pair<const uint256, CWalletTx>& item : mapWallet) {
|
|
const uint256& wtxid = item.first;
|
|
CWalletTx& wtx = item.second;
|
|
assert(wtx.GetHash() == wtxid);
|
|
|
|
int nDepth = wtx.GetDepthInMainChain();
|
|
|
|
if (!wtx.IsCoinBase() && (nDepth == 0 && !wtx.IsLockedByInstantSend() && !wtx.isAbandoned())) {
|
|
mapSorted.insert(std::make_pair(wtx.nOrderPos, &wtx));
|
|
}
|
|
}
|
|
|
|
// Try to add wallet transactions to memory pool
|
|
for (const std::pair<const int64_t, CWalletTx*>& item : mapSorted) {
|
|
CWalletTx& wtx = *(item.second);
|
|
std::string unused_err_string;
|
|
wtx.SubmitMemoryPoolAndRelay(unused_err_string, false);
|
|
}
|
|
}
|
|
|
|
bool CWalletTx::SubmitMemoryPoolAndRelay(std::string& err_string, bool relay)
|
|
{
|
|
// Can't relay if wallet is not broadcasting
|
|
if (!pwallet->GetBroadcastTransactions()) return false;
|
|
// Don't relay abandoned transactions
|
|
if (isAbandoned()) return false;
|
|
// Don't try to submit coinbase transactions. These would fail anyway but would
|
|
// cause log spam.
|
|
if (IsCoinBase()) return false;
|
|
// Don't try to submit conflicted or confirmed transactions.
|
|
if (GetDepthInMainChain() != 0) return false;
|
|
// Don't try to submit transactions locked via InstantSend.
|
|
if (IsLockedByInstantSend()) return false;
|
|
|
|
// Submit transaction to mempool for relay
|
|
pwallet->WalletLogPrintf("Submitting wtx %s to mempool for relay\n", GetHash().ToString());
|
|
// We must set fInMempool here - while it will be re-set to true by the
|
|
// entered-mempool callback, if we did not there would be a race where a
|
|
// user could call sendmoney in a loop and hit spurious out of funds errors
|
|
// because we think that this newly generated transaction's change is
|
|
// unavailable as we're not yet aware that it is in the mempool.
|
|
//
|
|
// Irrespective of the failure reason, un-marking fInMempool
|
|
// out-of-order is incorrect - it should be unmarked when
|
|
// TransactionRemovedFromMempool fires.
|
|
bool ret = pwallet->chain().broadcastTransaction(tx, err_string, pwallet->m_default_max_tx_fee, relay);
|
|
fInMempool |= ret;
|
|
return ret;
|
|
}
|
|
|
|
std::set<uint256> CWalletTx::GetConflicts() const
|
|
{
|
|
std::set<uint256> result;
|
|
if (pwallet != nullptr)
|
|
{
|
|
AssertLockHeld(pwallet->cs_wallet);
|
|
uint256 myHash = GetHash();
|
|
result = pwallet->GetConflicts(myHash);
|
|
result.erase(myHash);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
CAmount CWalletTx::GetCachableAmount(AmountType type, const isminefilter& filter, bool recalculate) const
|
|
{
|
|
auto& amount = m_amounts[type];
|
|
if (recalculate || !amount.m_cached[filter]) {
|
|
amount.Set(filter, type == DEBIT ? pwallet->GetDebit(*tx, filter) : pwallet->GetCredit(*tx, filter));
|
|
}
|
|
return amount.m_value[filter];
|
|
}
|
|
|
|
CAmount CWalletTx::GetDebit(const isminefilter& filter) const
|
|
{
|
|
if (tx->vin.empty())
|
|
return 0;
|
|
|
|
CAmount debit = 0;
|
|
if (filter & ISMINE_SPENDABLE) {
|
|
debit += GetCachableAmount(DEBIT, ISMINE_SPENDABLE);
|
|
}
|
|
if (filter & ISMINE_WATCH_ONLY) {
|
|
debit += GetCachableAmount(DEBIT, ISMINE_WATCH_ONLY);
|
|
}
|
|
return debit;
|
|
}
|
|
|
|
CAmount CWalletTx::GetCredit(const isminefilter& filter) const
|
|
{
|
|
// Must wait until coinbase is safely deep enough in the chain before valuing it
|
|
if (IsImmatureCoinBase())
|
|
return 0;
|
|
|
|
CAmount credit = 0;
|
|
if (filter & ISMINE_SPENDABLE) {
|
|
// GetBalance can assume transactions in mapWallet won't change
|
|
credit += GetCachableAmount(CREDIT, ISMINE_SPENDABLE);
|
|
}
|
|
if (filter & ISMINE_WATCH_ONLY) {
|
|
credit += GetCachableAmount(CREDIT, ISMINE_WATCH_ONLY);
|
|
}
|
|
return credit;
|
|
}
|
|
|
|
CAmount CWalletTx::GetImmatureCredit(bool fUseCache) const
|
|
{
|
|
if (IsImmatureCoinBase() && IsInMainChain()) {
|
|
return GetCachableAmount(IMMATURE_CREDIT, ISMINE_SPENDABLE, !fUseCache);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
CAmount CWalletTx::GetAvailableCredit(bool fUseCache, const isminefilter& filter) const
|
|
{
|
|
if (pwallet == nullptr)
|
|
return 0;
|
|
|
|
// Avoid caching ismine for NO or ALL cases (could remove this check and simplify in the future).
|
|
bool allow_cache = filter == ISMINE_SPENDABLE || filter == ISMINE_WATCH_ONLY;
|
|
|
|
// Must wait until coinbase is safely deep enough in the chain before valuing it
|
|
if (IsImmatureCoinBase())
|
|
return 0;
|
|
|
|
if (fUseCache && allow_cache && m_amounts[AVAILABLE_CREDIT].m_cached[filter]) {
|
|
return m_amounts[AVAILABLE_CREDIT].m_value[filter];
|
|
}
|
|
|
|
CAmount nCredit = 0;
|
|
uint256 hashTx = GetHash();
|
|
for (unsigned int i = 0; i < tx->vout.size(); i++)
|
|
{
|
|
if (!pwallet->IsSpent(hashTx, i))
|
|
{
|
|
const CTxOut &txout = tx->vout[i];
|
|
nCredit += pwallet->GetCredit(txout, filter);
|
|
if (!MoneyRange(nCredit))
|
|
throw std::runtime_error(std::string(__func__) + ": value out of range");
|
|
}
|
|
}
|
|
|
|
if (allow_cache) {
|
|
m_amounts[AVAILABLE_CREDIT].Set(filter, nCredit);
|
|
}
|
|
|
|
return nCredit;
|
|
}
|
|
|
|
CAmount CWalletTx::GetImmatureWatchOnlyCredit(const bool fUseCache) const
|
|
{
|
|
if (IsImmatureCoinBase() && IsInMainChain()) {
|
|
return GetCachableAmount(IMMATURE_CREDIT, ISMINE_WATCH_ONLY, !fUseCache);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
CAmount CWalletTx::GetAnonymizedCredit(const CCoinControl* coinControl) const
|
|
{
|
|
if (!pwallet)
|
|
return 0;
|
|
|
|
AssertLockHeld(pwallet->cs_wallet);
|
|
|
|
// Exclude coinbase and conflicted txes
|
|
if (IsCoinBase() || GetDepthInMainChain() < 0)
|
|
return 0;
|
|
|
|
if (coinControl == nullptr && m_amounts[ANON_CREDIT].m_cached[ISMINE_SPENDABLE])
|
|
return m_amounts[ANON_CREDIT].m_value[ISMINE_SPENDABLE];
|
|
|
|
CAmount nCredit = 0;
|
|
uint256 hashTx = GetHash();
|
|
for (unsigned int i = 0; i < tx->vout.size(); i++)
|
|
{
|
|
const CTxOut &txout = tx->vout[i];
|
|
const COutPoint outpoint = COutPoint(hashTx, i);
|
|
|
|
if (coinControl != nullptr && coinControl->HasSelected() && !coinControl->IsSelected(outpoint)) {
|
|
continue;
|
|
}
|
|
|
|
if (pwallet->IsSpent(hashTx, i) || !CCoinJoin::IsDenominatedAmount(txout.nValue)) continue;
|
|
|
|
if (pwallet->IsFullyMixed(outpoint)) {
|
|
nCredit += pwallet->GetCredit(txout, ISMINE_SPENDABLE);
|
|
if (!MoneyRange(nCredit))
|
|
throw std::runtime_error(std::string(__func__) + ": value out of range");
|
|
}
|
|
}
|
|
|
|
if (coinControl == nullptr) {
|
|
m_amounts[ANON_CREDIT].Set(ISMINE_SPENDABLE, nCredit);
|
|
}
|
|
|
|
return nCredit;
|
|
}
|
|
|
|
CAmount CWalletTx::GetDenominatedCredit(interfaces::Chain::Lock& locked_chain, bool unconfirmed, bool fUseCache) const
|
|
{
|
|
if (pwallet == nullptr)
|
|
return 0;
|
|
|
|
AssertLockHeld(pwallet->cs_wallet);
|
|
|
|
// Must wait until coinbase is safely deep enough in the chain before valuing it
|
|
if (IsCoinBase() && GetBlocksToMaturity() > 0)
|
|
return 0;
|
|
|
|
int nDepth = GetDepthInMainChain();
|
|
if (nDepth < 0) return 0;
|
|
|
|
bool isUnconfirmed = IsTrusted(locked_chain) && nDepth == 0;
|
|
if (unconfirmed != isUnconfirmed) return 0;
|
|
|
|
if (fUseCache) {
|
|
if(unconfirmed && m_amounts[DENOM_UCREDIT].m_cached[ISMINE_SPENDABLE]) {
|
|
return m_amounts[DENOM_UCREDIT].m_value[ISMINE_SPENDABLE];
|
|
} else if (!unconfirmed && m_amounts[DENOM_CREDIT].m_cached[ISMINE_SPENDABLE]) {
|
|
return m_amounts[DENOM_CREDIT].m_value[ISMINE_SPENDABLE];
|
|
}
|
|
}
|
|
|
|
CAmount nCredit = 0;
|
|
uint256 hashTx = GetHash();
|
|
for (unsigned int i = 0; i < tx->vout.size(); i++)
|
|
{
|
|
const CTxOut &txout = tx->vout[i];
|
|
|
|
if (pwallet->IsSpent(hashTx, i) || !CCoinJoin::IsDenominatedAmount(txout.nValue)) continue;
|
|
|
|
nCredit += pwallet->GetCredit(txout, ISMINE_SPENDABLE);
|
|
if (!MoneyRange(nCredit))
|
|
throw std::runtime_error(std::string(__func__) + ": value out of range");
|
|
}
|
|
|
|
if (unconfirmed) {
|
|
m_amounts[DENOM_UCREDIT].Set(ISMINE_SPENDABLE, nCredit);
|
|
} else {
|
|
m_amounts[DENOM_CREDIT].Set(ISMINE_SPENDABLE, nCredit);
|
|
}
|
|
return nCredit;
|
|
}
|
|
|
|
CAmount CWalletTx::GetChange() const
|
|
{
|
|
if (fChangeCached)
|
|
return nChangeCached;
|
|
nChangeCached = pwallet->GetChange(*tx);
|
|
fChangeCached = true;
|
|
return nChangeCached;
|
|
}
|
|
|
|
bool CWalletTx::InMempool() const
|
|
{
|
|
return fInMempool;
|
|
}
|
|
|
|
bool CWalletTx::IsTrusted(interfaces::Chain::Lock& locked_chain) const
|
|
{
|
|
// Quick answer in most cases
|
|
if (!locked_chain.checkFinalTx(*tx))
|
|
return false;
|
|
int nDepth = GetDepthInMainChain();
|
|
if (nDepth >= 1)
|
|
return true;
|
|
if (nDepth < 0)
|
|
return false;
|
|
if (IsLockedByInstantSend())
|
|
return true;
|
|
if (!pwallet->m_spend_zero_conf_change || !IsFromMe(ISMINE_ALL)) // using wtx's cached debit
|
|
return false;
|
|
|
|
// Don't trust unconfirmed transactions from us unless they are in the mempool.
|
|
if (!InMempool())
|
|
return false;
|
|
|
|
// Trusted if all inputs are from us and are in the mempool:
|
|
for (const CTxIn& txin : tx->vin)
|
|
{
|
|
// Transactions not sent by us: not trusted
|
|
const CWalletTx* parent = pwallet->GetWalletTx(txin.prevout.hash);
|
|
if (parent == nullptr)
|
|
return false;
|
|
const CTxOut& parentOut = parent->tx->vout[txin.prevout.n];
|
|
if (pwallet->IsMine(parentOut) != ISMINE_SPENDABLE)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CWalletTx::IsEquivalentTo(const CWalletTx& _tx) const
|
|
{
|
|
CMutableTransaction tx1 {*this->tx};
|
|
CMutableTransaction tx2 {*_tx.tx};
|
|
for (auto& txin : tx1.vin) txin.scriptSig = CScript();
|
|
for (auto& txin : tx2.vin) txin.scriptSig = CScript();
|
|
return CTransaction(tx1) == CTransaction(tx2);
|
|
}
|
|
|
|
// Rebroadcast transactions from the wallet. We do this on a random timer
|
|
// to slightly obfuscate which transactions come from our wallet.
|
|
//
|
|
// Ideally, we'd only resend transactions that we think should have been
|
|
// mined in the most recent block. Any transaction that wasn't in the top
|
|
// blockweight of transactions in the mempool shouldn't have been mined,
|
|
// and so is probably just sitting in the mempool waiting to be confirmed.
|
|
// Rebroadcasting does nothing to speed up confirmation and only damages
|
|
// privacy.
|
|
void CWallet::ResendWalletTransactions()
|
|
{
|
|
// During reindex, importing and IBD, old wallet transactions become
|
|
// unconfirmed. Don't resend them as that would spam other nodes.
|
|
if (!chain().isReadyToBroadcast()) return;
|
|
|
|
// Do this infrequently and randomly to avoid giving away
|
|
// that these are our transactions.
|
|
if (GetTime() < nNextResend || !fBroadcastTransactions) return;
|
|
bool fFirst = (nNextResend == 0);
|
|
nNextResend = GetTime() + GetRand(30 * 60);
|
|
if (fFirst) return;
|
|
|
|
// Only do it if there's been a new block since last time
|
|
if (m_best_block_time < nLastResend) return;
|
|
nLastResend = GetTime();
|
|
|
|
int submitted_tx_count = 0;
|
|
|
|
{ // locked_chain and cs_wallet scope
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
// Relay transactions
|
|
for (std::pair<const uint256, CWalletTx>& item : mapWallet) {
|
|
CWalletTx& wtx = item.second;
|
|
// Attempt to rebroadcast all txes more than 5 minutes older than
|
|
// the last block. SubmitMemoryPoolAndRelay() will not rebroadcast
|
|
// any confirmed or conflicting txs.
|
|
if (wtx.nTimeReceived > m_best_block_time - 5 * 60) continue;
|
|
std::string unused_err_string;
|
|
if (wtx.SubmitMemoryPoolAndRelay(unused_err_string, true)) ++submitted_tx_count;
|
|
}
|
|
} // locked_chain and cs_wallet
|
|
|
|
if (submitted_tx_count > 0) {
|
|
WalletLogPrintf("%s: resubmit %u unconfirmed transactions\n", __func__, submitted_tx_count);
|
|
}
|
|
}
|
|
|
|
/** @} */ // end of mapWallet
|
|
|
|
void MaybeResendWalletTxs()
|
|
{
|
|
for (const std::shared_ptr<CWallet>& pwallet : GetWallets()) {
|
|
pwallet->ResendWalletTransactions();
|
|
}
|
|
}
|
|
|
|
|
|
/** @defgroup Actions
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
|
|
std::unordered_set<const CWalletTx*, WalletTxHasher> CWallet::GetSpendableTXs() const
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
|
|
std::unordered_set<const CWalletTx*, WalletTxHasher> ret;
|
|
for (auto it = setWalletUTXO.begin(); it != setWalletUTXO.end(); ) {
|
|
const auto& outpoint = *it;
|
|
const auto jt = mapWallet.find(outpoint.hash);
|
|
if (jt != mapWallet.end()) {
|
|
ret.emplace(&jt->second);
|
|
}
|
|
|
|
// setWalletUTXO is sorted by COutPoint, which means that all UTXOs for the same TX are neighbors
|
|
// skip entries until we encounter a new TX
|
|
while (it != setWalletUTXO.end() && it->hash == outpoint.hash) {
|
|
++it;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
CWallet::Balance CWallet::GetBalance(const int min_depth, const bool fAddLocked, const CCoinControl* coinControl) const
|
|
{
|
|
Balance ret;
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
for (auto pcoin : GetSpendableTXs()) {
|
|
const bool is_trusted{pcoin->IsTrusted(*locked_chain)};
|
|
const int tx_depth{pcoin->GetDepthInMainChain()};
|
|
const CAmount tx_credit_mine{pcoin->GetAvailableCredit(/* fUseCache */ true, ISMINE_SPENDABLE)};
|
|
const CAmount tx_credit_watchonly{pcoin->GetAvailableCredit(/* fUseCache */ true, ISMINE_WATCH_ONLY)};
|
|
if (is_trusted && ((tx_depth >= min_depth) || (fAddLocked && pcoin->IsLockedByInstantSend()))) {
|
|
ret.m_mine_trusted += tx_credit_mine;
|
|
ret.m_watchonly_trusted += tx_credit_watchonly;
|
|
}
|
|
if (!is_trusted && tx_depth == 0 && pcoin->InMempool()) {
|
|
ret.m_mine_untrusted_pending += tx_credit_mine;
|
|
ret.m_watchonly_untrusted_pending += tx_credit_watchonly;
|
|
}
|
|
ret.m_mine_immature += pcoin->GetImmatureCredit();
|
|
ret.m_watchonly_immature += pcoin->GetImmatureWatchOnlyCredit();
|
|
if (CCoinJoinClientOptions::IsEnabled()) {
|
|
ret.m_anonymized += pcoin->GetAnonymizedCredit(coinControl);
|
|
ret.m_denominated_trusted += pcoin->GetDenominatedCredit(*locked_chain, false);
|
|
ret.m_denominated_untrusted_pending += pcoin->GetDenominatedCredit(*locked_chain, true);
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
CAmount CWallet::GetAnonymizableBalance(bool fSkipDenominated, bool fSkipUnconfirmed) const
|
|
{
|
|
if (!CCoinJoinClientOptions::IsEnabled()) return 0;
|
|
|
|
std::vector<CompactTallyItem> vecTally = SelectCoinsGroupedByAddresses(fSkipDenominated, true, fSkipUnconfirmed);
|
|
if (vecTally.empty()) return 0;
|
|
|
|
CAmount nTotal = 0;
|
|
|
|
const CAmount nSmallestDenom = CCoinJoin::GetSmallestDenomination();
|
|
const CAmount nMixingCollateral = CCoinJoin::GetCollateralAmount();
|
|
for (const auto& item : vecTally) {
|
|
bool fIsDenominated = CCoinJoin::IsDenominatedAmount(item.nAmount);
|
|
if(fSkipDenominated && fIsDenominated) continue;
|
|
// assume that the fee to create denoms should be mixing collateral at max
|
|
if(item.nAmount >= nSmallestDenom + (fIsDenominated ? 0 : nMixingCollateral))
|
|
nTotal += item.nAmount;
|
|
}
|
|
|
|
return nTotal;
|
|
}
|
|
|
|
// Note: calculated including unconfirmed,
|
|
// that's ok as long as we use it for informational purposes only
|
|
float CWallet::GetAverageAnonymizedRounds() const
|
|
{
|
|
if (!CCoinJoinClientOptions::IsEnabled()) return 0;
|
|
|
|
int nTotal = 0;
|
|
int nCount = 0;
|
|
|
|
LOCK2(cs_main, cs_wallet);
|
|
for (const auto& outpoint : setWalletUTXO) {
|
|
if(!IsDenominated(outpoint)) continue;
|
|
|
|
nTotal += GetCappedOutpointCoinJoinRounds(outpoint);
|
|
nCount++;
|
|
}
|
|
|
|
if(nCount == 0) return 0;
|
|
|
|
return (float)nTotal/nCount;
|
|
}
|
|
|
|
// Note: calculated including unconfirmed,
|
|
// that's ok as long as we use it for informational purposes only
|
|
CAmount CWallet::GetNormalizedAnonymizedBalance() const
|
|
{
|
|
if (!CCoinJoinClientOptions::IsEnabled()) return 0;
|
|
|
|
CAmount nTotal = 0;
|
|
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
for (const auto& outpoint : setWalletUTXO) {
|
|
const auto it = mapWallet.find(outpoint.hash);
|
|
if (it == mapWallet.end()) continue;
|
|
|
|
CAmount nValue = it->second.tx->vout[outpoint.n].nValue;
|
|
if (!CCoinJoin::IsDenominatedAmount(nValue)) continue;
|
|
if (it->second.GetDepthInMainChain() < 0) continue;
|
|
|
|
int nRounds = GetCappedOutpointCoinJoinRounds(outpoint);
|
|
nTotal += nValue * nRounds / CCoinJoinClientOptions::GetRounds();
|
|
}
|
|
|
|
return nTotal;
|
|
}
|
|
|
|
CAmount CWallet::GetAvailableBalance(const CCoinControl* coinControl) const
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
CAmount balance = 0;
|
|
std::vector<COutput> vCoins;
|
|
AvailableCoins(*locked_chain, vCoins, true, coinControl);
|
|
for (const COutput& out : vCoins) {
|
|
if (out.fSpendable) {
|
|
balance += out.tx->tx->vout[out.i].nValue;
|
|
}
|
|
}
|
|
return balance;
|
|
}
|
|
|
|
void CWallet::AvailableCoins(interfaces::Chain::Lock& locked_chain, std::vector<COutput> &vCoins, bool fOnlySafe, const CCoinControl *coinControl, const CAmount &nMinimumAmount, const CAmount &nMaximumAmount, const CAmount &nMinimumSumAmount, const uint64_t nMaximumCount, const int nMinDepth, const int nMaxDepth) const
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
|
|
vCoins.clear();
|
|
CoinType nCoinType = coinControl ? coinControl->nCoinType : CoinType::ALL_COINS;
|
|
|
|
CAmount nTotal = 0;
|
|
|
|
for (auto pcoin : GetSpendableTXs()) {
|
|
const uint256& wtxid = pcoin->GetHash();
|
|
|
|
if (!locked_chain.checkFinalTx(*pcoin->tx))
|
|
continue;
|
|
|
|
if (pcoin->IsImmatureCoinBase())
|
|
continue;
|
|
|
|
int nDepth = pcoin->GetDepthInMainChain();
|
|
|
|
// We should not consider coins which aren't at least in our mempool
|
|
// It's possible for these to be conflicted via ancestors which we may never be able to detect
|
|
if (nDepth == 0 && !pcoin->InMempool())
|
|
continue;
|
|
|
|
bool safeTx = pcoin->IsTrusted(locked_chain);
|
|
|
|
if (fOnlySafe && !safeTx) {
|
|
continue;
|
|
}
|
|
|
|
if (nDepth < nMinDepth || nDepth > nMaxDepth)
|
|
continue;
|
|
|
|
for (unsigned int i = 0; i < pcoin->tx->vout.size(); i++) {
|
|
bool found = false;
|
|
if (nCoinType == CoinType::ONLY_FULLY_MIXED) {
|
|
if (!CCoinJoin::IsDenominatedAmount(pcoin->tx->vout[i].nValue)) continue;
|
|
found = IsFullyMixed(COutPoint(wtxid, i));
|
|
} else if(nCoinType == CoinType::ONLY_READY_TO_MIX) {
|
|
if (!CCoinJoin::IsDenominatedAmount(pcoin->tx->vout[i].nValue)) continue;
|
|
found = !IsFullyMixed(COutPoint(wtxid, i));
|
|
} else if(nCoinType == CoinType::ONLY_NONDENOMINATED) {
|
|
if (CCoinJoin::IsCollateralAmount(pcoin->tx->vout[i].nValue)) continue; // do not use collateral amounts
|
|
found = !CCoinJoin::IsDenominatedAmount(pcoin->tx->vout[i].nValue);
|
|
} else if(nCoinType == CoinType::ONLY_MASTERNODE_COLLATERAL) {
|
|
found = pcoin->tx->vout[i].nValue == 1000*COIN;
|
|
} else if(nCoinType == CoinType::ONLY_COINJOIN_COLLATERAL) {
|
|
found = CCoinJoin::IsCollateralAmount(pcoin->tx->vout[i].nValue);
|
|
} else {
|
|
found = true;
|
|
}
|
|
if(!found) continue;
|
|
|
|
if (pcoin->tx->vout[i].nValue < nMinimumAmount || pcoin->tx->vout[i].nValue > nMaximumAmount)
|
|
continue;
|
|
|
|
if (coinControl && coinControl->HasSelected() && !coinControl->fAllowOtherInputs && !coinControl->IsSelected(COutPoint(wtxid, i)))
|
|
continue;
|
|
|
|
if (IsLockedCoin(wtxid, i) && nCoinType != CoinType::ONLY_MASTERNODE_COLLATERAL)
|
|
continue;
|
|
|
|
if (IsSpent(wtxid, i))
|
|
continue;
|
|
|
|
isminetype mine = IsMine(pcoin->tx->vout[i]);
|
|
|
|
if (mine == ISMINE_NO) {
|
|
continue;
|
|
}
|
|
|
|
bool solvable = IsSolvable(*this, pcoin->tx->vout[i].scriptPubKey);
|
|
bool spendable = ((mine & ISMINE_SPENDABLE) != ISMINE_NO) || (((mine & ISMINE_WATCH_ONLY) != ISMINE_NO) && (coinControl && coinControl->fAllowWatchOnly && solvable));
|
|
|
|
vCoins.push_back(COutput(pcoin, i, nDepth, spendable, solvable, safeTx, (coinControl && coinControl->fAllowWatchOnly)));
|
|
|
|
// Checks the sum amount of all UTXO's.
|
|
if (nMinimumSumAmount != MAX_MONEY) {
|
|
nTotal += pcoin->tx->vout[i].nValue;
|
|
|
|
if (nTotal >= nMinimumSumAmount) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Checks the maximum number of UTXO's.
|
|
if (nMaximumCount > 0 && vCoins.size() >= nMaximumCount) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
std::map<CTxDestination, std::vector<COutput>> CWallet::ListCoins(interfaces::Chain::Lock& locked_chain) const
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
|
|
std::map<CTxDestination, std::vector<COutput>> result;
|
|
std::vector<COutput> availableCoins;
|
|
|
|
AvailableCoins(locked_chain, availableCoins);
|
|
|
|
for (const COutput& coin : availableCoins) {
|
|
CTxDestination address;
|
|
if (coin.fSpendable &&
|
|
ExtractDestination(FindNonChangeParentOutput(*coin.tx->tx, coin.i).scriptPubKey, address)) {
|
|
result[address].emplace_back(std::move(coin));
|
|
}
|
|
}
|
|
|
|
std::vector<COutPoint> lockedCoins;
|
|
ListLockedCoins(lockedCoins);
|
|
for (const COutPoint& output : lockedCoins) {
|
|
auto it = mapWallet.find(output.hash);
|
|
if (it != mapWallet.end()) {
|
|
int depth = it->second.GetDepthInMainChain();
|
|
if (depth >= 0 && output.n < it->second.tx->vout.size() &&
|
|
IsMine(it->second.tx->vout[output.n]) == ISMINE_SPENDABLE) {
|
|
CTxDestination address;
|
|
if (ExtractDestination(FindNonChangeParentOutput(*it->second.tx, output.n).scriptPubKey, address)) {
|
|
result[address].emplace_back(
|
|
&it->second, output.n, depth, true /* spendable */, true /* solvable */, false /* safe */);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
const CTxOut& CWallet::FindNonChangeParentOutput(const CTransaction& tx, int output) const
|
|
{
|
|
const CTransaction* ptx = &tx;
|
|
int n = output;
|
|
while (IsChange(ptx->vout[n]) && ptx->vin.size() > 0) {
|
|
const COutPoint& prevout = ptx->vin[0].prevout;
|
|
auto it = mapWallet.find(prevout.hash);
|
|
if (it == mapWallet.end() || it->second.tx->vout.size() <= prevout.n ||
|
|
!IsMine(it->second.tx->vout[prevout.n])) {
|
|
break;
|
|
}
|
|
ptx = it->second.tx.get();
|
|
n = prevout.n;
|
|
}
|
|
return ptx->vout[n];
|
|
}
|
|
|
|
void CWallet::InitCoinJoinSalt()
|
|
{
|
|
// Avoid fetching it multiple times
|
|
assert(nCoinJoinSalt.IsNull());
|
|
|
|
WalletBatch batch(*database);
|
|
if (!batch.ReadCoinJoinSalt(nCoinJoinSalt) && batch.ReadCoinJoinSalt(nCoinJoinSalt, true)) {
|
|
batch.WriteCoinJoinSalt(nCoinJoinSalt);
|
|
}
|
|
|
|
while (nCoinJoinSalt.IsNull()) {
|
|
// We never generated/saved it
|
|
nCoinJoinSalt = GetRandHash();
|
|
batch.WriteCoinJoinSalt(nCoinJoinSalt);
|
|
}
|
|
}
|
|
|
|
struct CompareByPriority
|
|
{
|
|
bool operator()(const COutput& t1,
|
|
const COutput& t2) const
|
|
{
|
|
return CCoinJoin::CalculateAmountPriority(t1.GetInputCoin().effective_value) > CCoinJoin::CalculateAmountPriority(t2.GetInputCoin().effective_value);
|
|
}
|
|
};
|
|
|
|
bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const CoinEligibilityFilter& eligibility_filter, std::vector<OutputGroup> groups,
|
|
std::set<CInputCoin>& setCoinsRet, CAmount& nValueRet, const CoinSelectionParams& coin_selection_params, bool& bnb_used, CoinType nCoinType) const
|
|
{
|
|
setCoinsRet.clear();
|
|
nValueRet = 0;
|
|
|
|
std::vector<OutputGroup> utxo_pool;
|
|
if (coin_selection_params.use_bnb) {
|
|
// Get long term estimate
|
|
FeeCalculation feeCalc;
|
|
CCoinControl temp;
|
|
temp.m_confirm_target = 1008;
|
|
CFeeRate long_term_feerate = GetMinimumFeeRate(*this, temp, &feeCalc);
|
|
|
|
// Calculate cost of change
|
|
CAmount cost_of_change = GetDiscardRate(*this).GetFee(coin_selection_params.change_spend_size) + coin_selection_params.effective_fee.GetFee(coin_selection_params.change_output_size);
|
|
|
|
// Filter by the min conf specs and add to utxo_pool and calculate effective value
|
|
for (OutputGroup& group : groups) {
|
|
if (!group.EligibleForSpending(eligibility_filter)) continue;
|
|
|
|
group.fee = 0;
|
|
group.long_term_fee = 0;
|
|
group.effective_value = 0;
|
|
for (auto it = group.m_outputs.begin(); it != group.m_outputs.end(); ) {
|
|
const CInputCoin& coin = *it;
|
|
CAmount effective_value = coin.txout.nValue - (coin.m_input_bytes < 0 ? 0 : coin_selection_params.effective_fee.GetFee(coin.m_input_bytes));
|
|
// Only include outputs that are positive effective value (i.e. not dust)
|
|
if (effective_value > 0) {
|
|
group.fee += coin.m_input_bytes < 0 ? 0 : coin_selection_params.effective_fee.GetFee(coin.m_input_bytes);
|
|
group.long_term_fee += coin.m_input_bytes < 0 ? 0 : long_term_feerate.GetFee(coin.m_input_bytes);
|
|
group.effective_value += effective_value;
|
|
++it;
|
|
} else {
|
|
it = group.Discard(coin);
|
|
}
|
|
}
|
|
if (group.effective_value > 0) utxo_pool.push_back(group);
|
|
}
|
|
// Calculate the fees for things that aren't inputs
|
|
CAmount not_input_fees = coin_selection_params.effective_fee.GetFee(coin_selection_params.tx_noinputs_size);
|
|
bnb_used = true;
|
|
return SelectCoinsBnB(utxo_pool, nTargetValue, cost_of_change, setCoinsRet, nValueRet, not_input_fees);
|
|
} else {
|
|
// Filter by the min conf specs and add to utxo_pool
|
|
for (const OutputGroup& group : groups) {
|
|
if (!group.EligibleForSpending(eligibility_filter)) continue;
|
|
utxo_pool.push_back(group);
|
|
}
|
|
bnb_used = false;
|
|
return KnapsackSolver(nTargetValue, utxo_pool, setCoinsRet, nValueRet, nCoinType == CoinType::ONLY_FULLY_MIXED, m_default_max_tx_fee);
|
|
}
|
|
}
|
|
|
|
bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAmount& nTargetValue, std::set<CInputCoin>& setCoinsRet, CAmount& nValueRet, const CCoinControl& coin_control, CoinSelectionParams& coin_selection_params, bool& bnb_used) const
|
|
{
|
|
// Note: this function should never be used for "always free" tx types like dstx
|
|
|
|
std::vector<COutput> vCoins(vAvailableCoins);
|
|
CoinType nCoinType = coin_control.nCoinType;
|
|
|
|
// coin control -> return all selected outputs (we want all selected to go into the transaction for sure)
|
|
if (coin_control.HasSelected() && !coin_control.fAllowOtherInputs)
|
|
{
|
|
// We didn't use BnB here, so set it to false.
|
|
bnb_used = false;
|
|
|
|
for (const COutput& out : vCoins)
|
|
{
|
|
if(!out.fSpendable)
|
|
continue;
|
|
|
|
nValueRet += out.tx->tx->vout[out.i].nValue;
|
|
setCoinsRet.insert(out.GetInputCoin());
|
|
|
|
if (!coin_control.fRequireAllInputs && nValueRet >= nTargetValue) {
|
|
// stop when we added at least one input and enough inputs to have at least nTargetValue funds
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return (nValueRet >= nTargetValue);
|
|
}
|
|
|
|
// calculate value from preset inputs and store them
|
|
std::set<CInputCoin> setPresetCoins;
|
|
CAmount nValueFromPresetInputs = 0;
|
|
|
|
std::vector<COutPoint> vPresetInputs;
|
|
coin_control.ListSelected(vPresetInputs);
|
|
for (const COutPoint& outpoint : vPresetInputs)
|
|
{
|
|
// For now, don't use BnB if preset inputs are selected. TODO: Enable this later
|
|
bnb_used = false;
|
|
coin_selection_params.use_bnb = false;
|
|
|
|
std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(outpoint.hash);
|
|
if (it != mapWallet.end())
|
|
{
|
|
const CWalletTx* pcoin = &it->second;
|
|
// Clearly invalid input, fail
|
|
if (pcoin->tx->vout.size() <= outpoint.n)
|
|
return false;
|
|
if (nCoinType == CoinType::ONLY_FULLY_MIXED) {
|
|
// Make sure to include mixed preset inputs only,
|
|
// even if some non-mixed inputs were manually selected via CoinControl
|
|
if (!IsFullyMixed(outpoint)) continue;
|
|
}
|
|
// Just to calculate the marginal byte size
|
|
nValueFromPresetInputs += pcoin->tx->vout[outpoint.n].nValue;
|
|
setPresetCoins.insert(CInputCoin(pcoin->tx, outpoint.n));
|
|
} else
|
|
return false; // TODO: Allow non-wallet inputs
|
|
}
|
|
|
|
// remove preset inputs from vCoins
|
|
for (std::vector<COutput>::iterator it = vCoins.begin(); it != vCoins.end() && coin_control.HasSelected();)
|
|
{
|
|
if (setPresetCoins.count(it->GetInputCoin()))
|
|
it = vCoins.erase(it);
|
|
else
|
|
++it;
|
|
}
|
|
|
|
// form groups from remaining coins; note that preset coins will not
|
|
// automatically have their associated (same address) coins included
|
|
if (coin_control.m_avoid_partial_spends && vCoins.size() > OUTPUT_GROUP_MAX_ENTRIES) {
|
|
// Cases where we have 11+ outputs all pointing to the same destination may result in
|
|
// privacy leaks as they will potentially be deterministically sorted. We solve that by
|
|
// explicitly shuffling the outputs before processing
|
|
Shuffle(vCoins.begin(), vCoins.end(), FastRandomContext());
|
|
}
|
|
std::vector<OutputGroup> groups = GroupOutputs(vCoins, !coin_control.m_avoid_partial_spends);
|
|
|
|
size_t max_ancestors = (size_t)std::max<int64_t>(1, gArgs.GetArg("-limitancestorcount", DEFAULT_ANCESTOR_LIMIT));
|
|
size_t max_descendants = (size_t)std::max<int64_t>(1, gArgs.GetArg("-limitdescendantcount", DEFAULT_DESCENDANT_LIMIT));
|
|
bool fRejectLongChains = gArgs.GetBoolArg("-walletrejectlongchains", DEFAULT_WALLET_REJECT_LONG_CHAINS);
|
|
|
|
bool res = nTargetValue <= nValueFromPresetInputs ||
|
|
SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(1, 6, 0), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used, nCoinType) ||
|
|
SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(1, 1, 0), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used, nCoinType) ||
|
|
(m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, 2), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used, nCoinType)) ||
|
|
(m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, std::min((size_t)4, max_ancestors/3), std::min((size_t)4, max_descendants/3)), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used, nCoinType)) ||
|
|
(m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, max_ancestors/2, max_descendants/2), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used, nCoinType)) ||
|
|
(m_spend_zero_conf_change && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, max_ancestors-1, max_descendants-1), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used, nCoinType)) ||
|
|
(m_spend_zero_conf_change && !fRejectLongChains && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, CoinEligibilityFilter(0, 1, std::numeric_limits<uint64_t>::max()), groups, setCoinsRet, nValueRet, coin_selection_params, bnb_used, nCoinType));
|
|
|
|
// because SelectCoinsMinConf clears the setCoinsRet, we now add the possible inputs to the coinset
|
|
util::insert(setCoinsRet, setPresetCoins);
|
|
|
|
// add preset inputs to the total value selected
|
|
nValueRet += nValueFromPresetInputs;
|
|
|
|
return res;
|
|
}
|
|
|
|
bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nChangePosInOut, bilingual_str& error, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, CCoinControl coinControl)
|
|
{
|
|
std::vector<CRecipient> vecSend;
|
|
|
|
// Turn the txout set into a CRecipient vector.
|
|
for (size_t idx = 0; idx < tx.vout.size(); idx++) {
|
|
const CTxOut& txOut = tx.vout[idx];
|
|
CRecipient recipient = {txOut.scriptPubKey, txOut.nValue, setSubtractFeeFromOutputs.count(idx) == 1};
|
|
vecSend.push_back(recipient);
|
|
}
|
|
|
|
coinControl.fAllowOtherInputs = true;
|
|
|
|
for (const CTxIn& txin : tx.vin) {
|
|
coinControl.Select(txin.prevout);
|
|
}
|
|
|
|
// Acquire the locks to prevent races to the new locked unspents between the
|
|
// CreateTransaction call and LockCoin calls (when lockUnspents is true).
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
int nExtraPayloadSize = 0;
|
|
if (tx.nVersion == 3 && tx.nType != TRANSACTION_NORMAL)
|
|
nExtraPayloadSize = (int)tx.vExtraPayload.size();
|
|
|
|
CTransactionRef tx_new;
|
|
if (!CreateTransaction(*locked_chain, vecSend, tx_new, nFeeRet, nChangePosInOut, error, coinControl, false, nExtraPayloadSize)) {
|
|
return false;
|
|
}
|
|
|
|
if (nChangePosInOut != -1) {
|
|
tx.vout.insert(tx.vout.begin() + nChangePosInOut, tx_new->vout[nChangePosInOut]);
|
|
}
|
|
|
|
// Copy output sizes from new transaction; they may have had the fee
|
|
// subtracted from them.
|
|
for (unsigned int idx = 0; idx < tx.vout.size(); idx++) {
|
|
tx.vout[idx].nValue = tx_new->vout[idx].nValue;
|
|
}
|
|
|
|
// Add new txins while keeping original txin scriptSig/order.
|
|
for (const CTxIn& txin : tx_new->vin) {
|
|
if (!coinControl.IsSelected(txin.prevout)) {
|
|
tx.vin.push_back(txin);
|
|
|
|
if (lockUnspents) {
|
|
LockCoin(txin.prevout);
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::SelectTxDSInsByDenomination(int nDenom, CAmount nValueMax, std::vector<CTxDSIn>& vecTxDSInRet)
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
CAmount nValueTotal{0};
|
|
|
|
std::set<uint256> setRecentTxIds;
|
|
std::vector<COutput> vCoins;
|
|
|
|
vecTxDSInRet.clear();
|
|
|
|
if (!CCoinJoin::IsValidDenomination(nDenom)) {
|
|
return false;
|
|
}
|
|
CAmount nDenomAmount = CCoinJoin::DenominationToAmount(nDenom);
|
|
|
|
CCoinControl coin_control;
|
|
coin_control.nCoinType = CoinType::ONLY_READY_TO_MIX;
|
|
AvailableCoins(*locked_chain, vCoins, true, &coin_control);
|
|
LogPrint(BCLog::COINJOIN, "CWallet::%s -- vCoins.size(): %d\n", __func__, vCoins.size());
|
|
|
|
Shuffle(vCoins.rbegin(), vCoins.rend(), FastRandomContext());
|
|
|
|
for (const auto& out : vCoins) {
|
|
uint256 txHash = out.tx->GetHash();
|
|
CAmount nValue = out.tx->tx->vout[out.i].nValue;
|
|
if (setRecentTxIds.find(txHash) != setRecentTxIds.end()) continue; // no duplicate txids
|
|
if (nValueTotal + nValue > nValueMax) continue;
|
|
if (nValue != nDenomAmount) continue;
|
|
|
|
CTxIn txin = CTxIn(txHash, out.i);
|
|
CScript scriptPubKey = out.tx->tx->vout[out.i].scriptPubKey;
|
|
int nRounds = GetRealOutpointCoinJoinRounds(txin.prevout);
|
|
|
|
nValueTotal += nValue;
|
|
vecTxDSInRet.emplace_back(CTxDSIn(txin, scriptPubKey, nRounds));
|
|
setRecentTxIds.emplace(txHash);
|
|
LogPrint(BCLog::COINJOIN, "CWallet::%s -- hash: %s, nValue: %d.%08d\n",
|
|
__func__, txHash.ToString(), nValue / COIN, nValue % COIN);
|
|
}
|
|
|
|
LogPrint(BCLog::COINJOIN, "CWallet::%s -- setRecentTxIds.size(): %d\n", __func__, setRecentTxIds.size());
|
|
|
|
return nValueTotal > 0;
|
|
}
|
|
|
|
static bool IsCurrentForAntiFeeSniping(interfaces::Chain& chain, interfaces::Chain::Lock& locked_chain)
|
|
{
|
|
if (chain.isInitialBlockDownload()) {
|
|
return false;
|
|
}
|
|
constexpr int64_t MAX_ANTI_FEE_SNIPING_TIP_AGE = 8 * 60 * 60; // in seconds
|
|
if (locked_chain.getBlockTime(*locked_chain.getHeight()) < (GetTime() - MAX_ANTI_FEE_SNIPING_TIP_AGE)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Return a height-based locktime for new transactions (uses the height of the
|
|
* current chain tip unless we are not synced with the current chain
|
|
*/
|
|
static uint32_t GetLocktimeForNewTransaction(interfaces::Chain& chain, interfaces::Chain::Lock& locked_chain)
|
|
{
|
|
uint32_t locktime;
|
|
// Discourage fee sniping.
|
|
//
|
|
// For a large miner the value of the transactions in the best block and
|
|
// the mempool can exceed the cost of deliberately attempting to mine two
|
|
// blocks to orphan the current best block. By setting nLockTime such that
|
|
// only the next block can include the transaction, we discourage this
|
|
// practice as the height restricted and limited blocksize gives miners
|
|
// considering fee sniping fewer options for pulling off this attack.
|
|
//
|
|
// A simple way to think about this is from the wallet's point of view we
|
|
// always want the blockchain to move forward. By setting nLockTime this
|
|
// way we're basically making the statement that we only want this
|
|
// transaction to appear in the next block; we don't want to potentially
|
|
// encourage reorgs by allowing transactions to appear at lower heights
|
|
// than the next block in forks of the best chain.
|
|
//
|
|
// Of course, the subsidy is high enough, and transaction volume low
|
|
// enough, that fee sniping isn't a problem yet, but by implementing a fix
|
|
// now we ensure code won't be written that makes assumptions about
|
|
// nLockTime that preclude a fix later.
|
|
if (IsCurrentForAntiFeeSniping(chain, locked_chain)) {
|
|
locktime = locked_chain.getHeight().get_value_or(-1);
|
|
|
|
// Secondly occasionally randomly pick a nLockTime even further back, so
|
|
// that transactions that are delayed after signing for whatever reason,
|
|
// e.g. high-latency mix networks and some CoinJoin implementations, have
|
|
// better privacy.
|
|
if (GetRandInt(10) == 0)
|
|
locktime = std::max(0, (int)locktime - GetRandInt(100));
|
|
} else {
|
|
// If our chain is lagging behind, we can't discourage fee sniping nor help
|
|
// the privacy of high-latency transactions. To avoid leaking a potentially
|
|
// unique "nLockTime fingerprint", set nLockTime to a constant.
|
|
locktime = 0;
|
|
}
|
|
|
|
assert(locktime <= (unsigned int)::ChainActive().Height());
|
|
assert(locktime < LOCKTIME_THRESHOLD);
|
|
return locktime;
|
|
}
|
|
|
|
std::vector<CompactTallyItem> CWallet::SelectCoinsGroupedByAddresses(bool fSkipDenominated, bool fAnonymizable, bool fSkipUnconfirmed, int nMaxOupointsPerAddress) const
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
isminefilter filter = ISMINE_SPENDABLE;
|
|
|
|
// Try using the cache for already confirmed mixable inputs.
|
|
// This should only be used if nMaxOupointsPerAddress was NOT specified.
|
|
if(nMaxOupointsPerAddress == -1 && fAnonymizable && fSkipUnconfirmed) {
|
|
if(fSkipDenominated && fAnonymizableTallyCachedNonDenom) {
|
|
LogPrint(BCLog::SELECTCOINS, "SelectCoinsGroupedByAddresses - using cache for non-denom inputs %d\n", vecAnonymizableTallyCachedNonDenom.size());
|
|
return vecAnonymizableTallyCachedNonDenom;
|
|
}
|
|
if(!fSkipDenominated && fAnonymizableTallyCached) {
|
|
LogPrint(BCLog::SELECTCOINS, "SelectCoinsGroupedByAddresses - using cache for all inputs %d\n", vecAnonymizableTallyCached.size());
|
|
return vecAnonymizableTallyCached;
|
|
}
|
|
}
|
|
|
|
CAmount nSmallestDenom = CCoinJoin::GetSmallestDenomination();
|
|
|
|
// Tally
|
|
std::map<CTxDestination, CompactTallyItem> mapTally;
|
|
std::set<uint256> setWalletTxesCounted;
|
|
for (const auto& outpoint : setWalletUTXO) {
|
|
|
|
if (!setWalletTxesCounted.emplace(outpoint.hash).second) continue;
|
|
|
|
std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(outpoint.hash);
|
|
if (it == mapWallet.end()) continue;
|
|
|
|
const CWalletTx& wtx = (*it).second;
|
|
|
|
if(wtx.IsCoinBase() && wtx.GetBlocksToMaturity() > 0) continue;
|
|
if(fSkipUnconfirmed && !wtx.IsTrusted(*locked_chain)) continue;
|
|
if (wtx.GetDepthInMainChain() < 0) continue;
|
|
|
|
for (unsigned int i = 0; i < wtx.tx->vout.size(); i++) {
|
|
CTxDestination txdest;
|
|
if (!ExtractDestination(wtx.tx->vout[i].scriptPubKey, txdest)) continue;
|
|
|
|
isminefilter mine = ::IsMine(*this, txdest);
|
|
if(!(mine & filter)) continue;
|
|
|
|
auto itTallyItem = mapTally.find(txdest);
|
|
if (nMaxOupointsPerAddress != -1 && itTallyItem != mapTally.end() && int64_t(itTallyItem->second.vecInputCoins.size()) >= nMaxOupointsPerAddress) continue;
|
|
|
|
if(IsSpent(outpoint.hash, i) || IsLockedCoin(outpoint.hash, i)) continue;
|
|
|
|
if(fSkipDenominated && CCoinJoin::IsDenominatedAmount(wtx.tx->vout[i].nValue)) continue;
|
|
|
|
if(fAnonymizable) {
|
|
// ignore collaterals
|
|
if(CCoinJoin::IsCollateralAmount(wtx.tx->vout[i].nValue)) continue;
|
|
if(fMasternodeMode && wtx.tx->vout[i].nValue == 1000*COIN) continue;
|
|
// ignore outputs that are 10 times smaller then the smallest denomination
|
|
// otherwise they will just lead to higher fee / lower priority
|
|
if(wtx.tx->vout[i].nValue <= nSmallestDenom/10) continue;
|
|
// ignore mixed
|
|
if (IsFullyMixed(COutPoint(outpoint.hash, i))) continue;
|
|
}
|
|
|
|
if (itTallyItem == mapTally.end()) {
|
|
itTallyItem = mapTally.emplace(txdest, CompactTallyItem()).first;
|
|
itTallyItem->second.txdest = txdest;
|
|
}
|
|
itTallyItem->second.nAmount += wtx.tx->vout[i].nValue;
|
|
itTallyItem->second.vecInputCoins.emplace_back(wtx.tx, i);
|
|
}
|
|
}
|
|
|
|
// construct resulting vector
|
|
// NOTE: vecTallyRet is "sorted" by txdest (i.e. address), just like mapTally
|
|
std::vector<CompactTallyItem> vecTallyRet;
|
|
for (const auto& item : mapTally) {
|
|
if(fAnonymizable && item.second.nAmount < nSmallestDenom) continue;
|
|
vecTallyRet.push_back(item.second);
|
|
}
|
|
|
|
// Cache already confirmed mixable entries for later use.
|
|
// This should only be used if nMaxOupointsPerAddress was NOT specified.
|
|
if(nMaxOupointsPerAddress == -1 && fAnonymizable && fSkipUnconfirmed) {
|
|
if(fSkipDenominated) {
|
|
vecAnonymizableTallyCachedNonDenom = vecTallyRet;
|
|
fAnonymizableTallyCachedNonDenom = true;
|
|
} else {
|
|
vecAnonymizableTallyCached = vecTallyRet;
|
|
fAnonymizableTallyCached = true;
|
|
}
|
|
}
|
|
|
|
// debug
|
|
if (LogAcceptCategory(BCLog::SELECTCOINS)) {
|
|
std::string strMessage = "SelectCoinsGroupedByAddresses - vecTallyRet:\n";
|
|
for (const auto& item : vecTallyRet)
|
|
strMessage += strprintf(" %s %f\n", EncodeDestination(item.txdest), float(item.nAmount)/COIN);
|
|
LogPrint(BCLog::SELECTCOINS, "%s", strMessage); /* Continued */
|
|
}
|
|
|
|
return vecTallyRet;
|
|
}
|
|
|
|
bool CWallet::SelectDenominatedAmounts(CAmount nValueMax, std::set<CAmount>& setAmountsRet) const
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
CAmount nValueTotal{0};
|
|
setAmountsRet.clear();
|
|
|
|
std::vector<COutput> vCoins;
|
|
CCoinControl coin_control;
|
|
coin_control.nCoinType = CoinType::ONLY_READY_TO_MIX;
|
|
AvailableCoins(*locked_chain, vCoins, true, &coin_control);
|
|
// larger denoms first
|
|
std::sort(vCoins.rbegin(), vCoins.rend(), CompareByPriority());
|
|
|
|
for (const auto& out : vCoins) {
|
|
CAmount nValue = out.tx->tx->vout[out.i].nValue;
|
|
if (nValueTotal + nValue <= nValueMax) {
|
|
nValueTotal += nValue;
|
|
setAmountsRet.emplace(nValue);
|
|
}
|
|
}
|
|
|
|
return nValueTotal >= CCoinJoin::GetSmallestDenomination();
|
|
}
|
|
|
|
int CWallet::CountInputsWithAmount(CAmount nInputAmount) const
|
|
{
|
|
CAmount nTotal = 0;
|
|
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
for (const auto& outpoint : setWalletUTXO) {
|
|
const auto it = mapWallet.find(outpoint.hash);
|
|
if (it == mapWallet.end()) continue;
|
|
if (it->second.tx->vout[outpoint.n].nValue != nInputAmount) continue;
|
|
if (it->second.GetDepthInMainChain() < 0) continue;
|
|
|
|
nTotal++;
|
|
}
|
|
|
|
return nTotal;
|
|
}
|
|
|
|
bool CWallet::HasCollateralInputs(bool fOnlyConfirmed) const
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
std::vector<COutput> vCoins;
|
|
CCoinControl coin_control;
|
|
coin_control.nCoinType = CoinType::ONLY_COINJOIN_COLLATERAL;
|
|
AvailableCoins(*locked_chain, vCoins, fOnlyConfirmed, &coin_control);
|
|
|
|
return !vCoins.empty();
|
|
}
|
|
|
|
bool CWallet::GetBudgetSystemCollateralTX(interfaces::Chain::Lock& locked_chain, CTransactionRef& tx, uint256 hash, CAmount amount, const COutPoint& outpoint)
|
|
{
|
|
CScript scriptChange;
|
|
scriptChange << OP_RETURN << ToByteVector(hash);
|
|
|
|
CAmount nFeeRet = 0;
|
|
int nChangePosRet = -1;
|
|
bilingual_str error;
|
|
std::vector< CRecipient > vecSend;
|
|
vecSend.push_back((CRecipient){scriptChange, amount, false});
|
|
|
|
CCoinControl coinControl;
|
|
if (!outpoint.IsNull()) {
|
|
coinControl.Select(outpoint);
|
|
}
|
|
bool success = CreateTransaction(locked_chain, vecSend, tx, nFeeRet, nChangePosRet, error, coinControl);
|
|
if(!success){
|
|
WalletLogPrintf("CWallet::GetBudgetSystemCollateralTX -- Error: %s\n", error.original);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std::vector<CRecipient>& vecSend, CTransactionRef& tx, CAmount& nFeeRet,
|
|
int& nChangePosInOut, bilingual_str& error, const CCoinControl& coin_control, bool sign, int nExtraPayloadSize)
|
|
{
|
|
CAmount nValue = 0;
|
|
CReserveKey reservekey(this);
|
|
int nChangePosRequest = nChangePosInOut;
|
|
unsigned int nSubtractFeeFromAmount = 0;
|
|
for (const auto& recipient : vecSend)
|
|
{
|
|
if (nValue < 0 || recipient.nAmount < 0)
|
|
{
|
|
error = _("Transaction amounts must not be negative");
|
|
return false;
|
|
}
|
|
nValue += recipient.nAmount;
|
|
|
|
if (recipient.fSubtractFeeFromAmount)
|
|
nSubtractFeeFromAmount++;
|
|
}
|
|
if (vecSend.empty())
|
|
{
|
|
error = _("Transaction must have at least one recipient");
|
|
return false;
|
|
}
|
|
|
|
CMutableTransaction txNew;
|
|
txNew.nLockTime = GetLocktimeForNewTransaction(chain(), locked_chain);
|
|
|
|
FeeCalculation feeCalc;
|
|
CFeeRate discard_rate = coin_control.m_discard_feerate ? *coin_control.m_discard_feerate : GetDiscardRate(*this);
|
|
unsigned int nBytes{0};
|
|
{
|
|
std::vector<CInputCoin> vecCoins;
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
{
|
|
CAmount nAmountAvailable{0};
|
|
std::vector<COutput> vAvailableCoins;
|
|
AvailableCoins(*locked_chain, vAvailableCoins, true, &coin_control, 1, MAX_MONEY, MAX_MONEY, 0, coin_control.m_min_depth);
|
|
CoinSelectionParams coin_selection_params; // Parameters for coin selection, init with dummy
|
|
coin_selection_params.use_bnb = false; // never use BnB
|
|
|
|
for (auto out : vAvailableCoins) {
|
|
if (out.fSpendable) {
|
|
nAmountAvailable += out.tx->tx->vout[out.i].nValue;
|
|
}
|
|
}
|
|
|
|
// Create change script that will be used if we need change
|
|
// TODO: pass in scriptChange instead of reservekey so
|
|
// change transaction isn't always pay-to-bitcoin-address
|
|
CScript scriptChange;
|
|
|
|
// coin control: send change to custom address
|
|
if (!boost::get<CNoDestination>(&coin_control.destChange)) {
|
|
scriptChange = GetScriptForDestination(coin_control.destChange);
|
|
} else { // no coin control: send change to newly generated address
|
|
// Note: We use a new key here to keep it from being obvious which side is the change.
|
|
// The drawback is that by not reusing a previous key, the change may be lost if a
|
|
// backup is restored, if the backup doesn't have the new private key for the change.
|
|
// If we reused the old key, it would be possible to add code to look for and
|
|
// rediscover unknown transactions that were written with keys of ours to recover
|
|
// post-backup change.
|
|
|
|
// Reserve a new key pair from key pool
|
|
if (!CanGetAddresses(true)) {
|
|
error = _("Can't generate a change-address key. No keys in the internal keypool and can't generate any keys.");
|
|
return false;
|
|
}
|
|
CPubKey vchPubKey;
|
|
bool ret;
|
|
ret = reservekey.GetReservedKey(vchPubKey, true);
|
|
if (!ret)
|
|
{
|
|
error = _("Keypool ran out, please call keypoolrefill first");
|
|
return false;
|
|
}
|
|
|
|
scriptChange = GetScriptForDestination(vchPubKey.GetID());
|
|
}
|
|
|
|
nFeeRet = 0;
|
|
bool pick_new_inputs = true;
|
|
CAmount nValueIn = 0;
|
|
CAmount nAmountToSelectAdditional{0};
|
|
// Start with nAmountToSelectAdditional=0 and loop until there is enough to cover the request + fees, try it 500 times.
|
|
int nMaxTries = 500;
|
|
while (--nMaxTries > 0)
|
|
{
|
|
nChangePosInOut = std::numeric_limits<int>::max();
|
|
txNew.vin.clear();
|
|
txNew.vout.clear();
|
|
bool fFirst = true;
|
|
|
|
CAmount nValueToSelect = nValue;
|
|
if (nSubtractFeeFromAmount == 0) {
|
|
assert(nAmountToSelectAdditional >= 0);
|
|
nValueToSelect += nAmountToSelectAdditional;
|
|
}
|
|
// vouts to the payees
|
|
for (const auto& recipient : vecSend)
|
|
{
|
|
CTxOut txout(recipient.nAmount, recipient.scriptPubKey);
|
|
|
|
if (recipient.fSubtractFeeFromAmount)
|
|
{
|
|
assert(nSubtractFeeFromAmount != 0);
|
|
txout.nValue -= nFeeRet / nSubtractFeeFromAmount; // Subtract fee equally from each selected recipient
|
|
|
|
if (fFirst) // first receiver pays the remainder not divisible by output count
|
|
{
|
|
fFirst = false;
|
|
txout.nValue -= nFeeRet % nSubtractFeeFromAmount;
|
|
}
|
|
}
|
|
|
|
if (IsDust(txout, chain().relayDustFee()))
|
|
{
|
|
if (recipient.fSubtractFeeFromAmount && nFeeRet > 0)
|
|
{
|
|
if (txout.nValue < 0)
|
|
error = _("The transaction amount is too small to pay the fee");
|
|
else
|
|
error = _("The transaction amount is too small to send after the fee has been deducted");
|
|
}
|
|
else
|
|
error = _("Transaction amount too small");
|
|
return false;
|
|
}
|
|
txNew.vout.push_back(txout);
|
|
}
|
|
|
|
// Choose coins to use
|
|
bool bnb_used;
|
|
if (pick_new_inputs) {
|
|
nValueIn = 0;
|
|
std::set<CInputCoin> setCoinsTmp;
|
|
if (!SelectCoins(vAvailableCoins, nValueToSelect, setCoinsTmp, nValueIn, coin_control, coin_selection_params, bnb_used)) {
|
|
if (coin_control.nCoinType == CoinType::ONLY_NONDENOMINATED) {
|
|
error = _("Unable to locate enough non-denominated funds for this transaction.");
|
|
} else if (coin_control.nCoinType == CoinType::ONLY_FULLY_MIXED) {
|
|
error = _("Unable to locate enough mixed funds for this transaction.");
|
|
error = error + Untranslated(" ") + strprintf(_("%s uses exact denominated amounts to send funds, you might simply need to mix some more coins."), gCoinJoinName);
|
|
} else if (nValueIn < nValueToSelect) {
|
|
error = _("Insufficient funds.");
|
|
}
|
|
return false;
|
|
}
|
|
vecCoins.assign(setCoinsTmp.begin(), setCoinsTmp.end());
|
|
}
|
|
|
|
// Fill vin
|
|
//
|
|
// Note how the sequence number is set to max()-1 so that the
|
|
// nLockTime set above actually works.
|
|
txNew.vin.clear();
|
|
for (const auto& coin : vecCoins) {
|
|
txNew.vin.emplace_back(coin.outpoint, CScript(), CTxIn::SEQUENCE_FINAL - 1);
|
|
}
|
|
|
|
auto calculateFee = [&](CAmount& nFee) -> bool {
|
|
AssertLockHeld(cs_wallet);
|
|
nBytes = CalculateMaximumSignedTxSize(CTransaction(txNew), this, coin_control.fAllowWatchOnly);
|
|
if (nBytes < 0) {
|
|
error = _("Signing transaction failed");
|
|
return false;
|
|
}
|
|
|
|
if (nExtraPayloadSize != 0) {
|
|
// account for extra payload in fee calculation
|
|
nBytes += GetSizeOfCompactSize(nExtraPayloadSize) + nExtraPayloadSize;
|
|
}
|
|
|
|
if (nBytes > MAX_STANDARD_TX_SIZE) {
|
|
// Do not create oversized transactions (bad-txns-oversize).
|
|
error = _("Transaction too large");
|
|
return false;
|
|
}
|
|
|
|
// Remove scriptSigs to eliminate the fee calculation dummy signatures
|
|
for (auto& txin : txNew.vin) {
|
|
txin.scriptSig = CScript();
|
|
}
|
|
|
|
nFee = GetMinimumFee(*this, nBytes, coin_control, &feeCalc);
|
|
|
|
return true;
|
|
};
|
|
|
|
if (!calculateFee(nFeeRet)) {
|
|
return false;
|
|
}
|
|
|
|
CTxOut newTxOut;
|
|
const CAmount nAmountLeft = nValueIn - nValue;
|
|
auto getChange = [&]() {
|
|
if (nSubtractFeeFromAmount > 0) {
|
|
return nAmountLeft;
|
|
} else {
|
|
return nAmountLeft - nFeeRet;
|
|
}
|
|
};
|
|
|
|
if (getChange() > 0)
|
|
{
|
|
//over pay for denominated transactions
|
|
if (coin_control.nCoinType == CoinType::ONLY_FULLY_MIXED) {
|
|
nChangePosInOut = -1;
|
|
nFeeRet += getChange();
|
|
} else {
|
|
// Fill a vout to ourself with zero amount until we know the correct change
|
|
newTxOut = CTxOut(0, scriptChange);
|
|
txNew.vout.push_back(newTxOut);
|
|
|
|
// Calculate the fee with the change output added, store the
|
|
// current fee to reset it in case the remainder is dust and we
|
|
// don't need to fee with change output added.
|
|
CAmount nFeePrev = nFeeRet;
|
|
if (!calculateFee(nFeeRet)) {
|
|
return false;
|
|
}
|
|
|
|
// Remove the change output again, it will be added later again if required
|
|
txNew.vout.pop_back();
|
|
|
|
// Set the change amount properly
|
|
newTxOut.nValue = getChange();
|
|
|
|
// Never create dust outputs; if we would, just
|
|
// add the dust to the fee.
|
|
if (IsDust(newTxOut, discard_rate))
|
|
{
|
|
nFeeRet = nFeePrev;
|
|
nChangePosInOut = -1;
|
|
nFeeRet += getChange();
|
|
}
|
|
else
|
|
{
|
|
if (nChangePosRequest == -1)
|
|
{
|
|
// Insert change txn at random position:
|
|
nChangePosInOut = GetRandInt(txNew.vout.size()+1);
|
|
}
|
|
else if ((unsigned int)nChangePosRequest > txNew.vout.size())
|
|
{
|
|
error = _("Change index out of range");
|
|
return false;
|
|
} else {
|
|
nChangePosInOut = nChangePosRequest;
|
|
}
|
|
|
|
std::vector<CTxOut>::iterator position = txNew.vout.begin()+nChangePosInOut;
|
|
txNew.vout.insert(position, newTxOut);
|
|
}
|
|
}
|
|
} else {
|
|
nChangePosInOut = -1;
|
|
}
|
|
|
|
if (getChange() < 0) {
|
|
if (nSubtractFeeFromAmount == 0) {
|
|
// nValueIn is not enough to cover nValue + nFeeRet. Add the missing amount abs(nChange) to the fee
|
|
// and try to select other inputs in the next loop step to cover the full required amount.
|
|
nAmountToSelectAdditional += abs(getChange());
|
|
} else if (nAmountToSelectAdditional > 0 && nValueToSelect == nAmountAvailable) {
|
|
// We tried selecting more and failed. We have no extra funds left,
|
|
// so just add 1 duff to fail in the next loop step with a correct reason
|
|
nAmountToSelectAdditional += 1;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// If no specific change position was requested, apply BIP69
|
|
if (nChangePosRequest == -1) {
|
|
std::sort(vecCoins.begin(), vecCoins.end(), CompareInputCoinBIP69());
|
|
std::sort(txNew.vin.begin(), txNew.vin.end(), CompareInputBIP69());
|
|
std::sort(txNew.vout.begin(), txNew.vout.end(), CompareOutputBIP69());
|
|
|
|
// If there was a change output added before, we must update its position now
|
|
if (nChangePosInOut != -1) {
|
|
int i = 0;
|
|
for (const CTxOut& txOut : txNew.vout)
|
|
{
|
|
if (txOut == newTxOut)
|
|
{
|
|
nChangePosInOut = i;
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (feeCalc.reason == FeeReason::FALLBACK && !m_allow_fallback_fee) {
|
|
// eventually allow a fallback fee
|
|
error = _("Fee estimation failed. Fallbackfee is disabled. Wait a few blocks or enable -fallbackfee.");
|
|
return false;
|
|
}
|
|
|
|
if (nAmountLeft == nFeeRet) {
|
|
// We either added the change amount to nFeeRet because the change amount was considered
|
|
// to be dust or the input exactly matches output + fee.
|
|
// Either way, we used the total amount of the inputs we picked and the transaction is ready.
|
|
break;
|
|
}
|
|
|
|
// We have a change output and we don't need to subtruct fees, which means the transaction is ready.
|
|
if (nChangePosInOut != -1 && nSubtractFeeFromAmount == 0) {
|
|
break;
|
|
}
|
|
|
|
// If subtracting fee from recipients, we now know what fee we
|
|
// need to subtract, we have no reason to reselect inputs
|
|
if (nSubtractFeeFromAmount > 0) {
|
|
// If we are in here the second time it means we already subtracted the fee from the
|
|
// output(s) and there weren't any issues while doing that. So the transaction is ready now
|
|
// and we can break.
|
|
if (!pick_new_inputs) {
|
|
break;
|
|
}
|
|
pick_new_inputs = false;
|
|
}
|
|
}
|
|
|
|
if (nMaxTries == 0) {
|
|
error = _("Exceeded max tries.");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Make sure change position was updated one way or another
|
|
assert(nChangePosInOut != std::numeric_limits<int>::max());
|
|
|
|
if (sign)
|
|
{
|
|
int nIn = 0;
|
|
for(const auto& coin : vecCoins)
|
|
{
|
|
const CScript& scriptPubKey = coin.txout.scriptPubKey;
|
|
SignatureData sigdata;
|
|
|
|
if (!ProduceSignature(*this, MutableTransactionSignatureCreator(&txNew, nIn, coin.txout.nValue, SIGHASH_ALL), scriptPubKey, sigdata))
|
|
{
|
|
error = _("Signing transaction failed");
|
|
return false;
|
|
} else {
|
|
UpdateInput(txNew.vin.at(nIn), sigdata);
|
|
}
|
|
|
|
nIn++;
|
|
}
|
|
}
|
|
|
|
// Return the constructed transaction data.
|
|
tx = MakeTransactionRef(std::move(txNew));
|
|
}
|
|
|
|
if (nFeeRet > m_default_max_tx_fee) {
|
|
error = TransactionErrorString(TransactionError::MAX_FEE_EXCEEDED);
|
|
return false;
|
|
}
|
|
|
|
if (gArgs.GetBoolArg("-walletrejectlongchains", DEFAULT_WALLET_REJECT_LONG_CHAINS)) {
|
|
// Lastly, ensure this tx will pass the mempool's chain limits
|
|
if (!chain().checkChainLimits(tx)) {
|
|
error = _("Transaction has too long of a mempool chain");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Before we return success, we assume any change key will be used to prevent
|
|
// accidental re-use.
|
|
reservekey.KeepKey();
|
|
|
|
WalletLogPrintf("Fee Calculation: Fee:%d Bytes:%u Tgt:%d (requested %d) Reason:\"%s\" Decay %.5f: Estimation: (%g - %g) %.2f%% %.1f/(%.1f %d mem %.1f out) Fail: (%g - %g) %.2f%% %.1f/(%.1f %d mem %.1f out)\n",
|
|
nFeeRet, nBytes, feeCalc.returnedTarget, feeCalc.desiredTarget, StringForFeeReason(feeCalc.reason), feeCalc.est.decay,
|
|
feeCalc.est.pass.start, feeCalc.est.pass.end,
|
|
(feeCalc.est.pass.totalConfirmed + feeCalc.est.pass.inMempool + feeCalc.est.pass.leftMempool) > 0.0 ? 100 * feeCalc.est.pass.withinTarget / (feeCalc.est.pass.totalConfirmed + feeCalc.est.pass.inMempool + feeCalc.est.pass.leftMempool) : 0.0,
|
|
feeCalc.est.pass.withinTarget, feeCalc.est.pass.totalConfirmed, feeCalc.est.pass.inMempool, feeCalc.est.pass.leftMempool,
|
|
feeCalc.est.fail.start, feeCalc.est.fail.end,
|
|
(feeCalc.est.fail.totalConfirmed + feeCalc.est.fail.inMempool + feeCalc.est.fail.leftMempool) > 0.0 ? 100 * feeCalc.est.fail.withinTarget / (feeCalc.est.fail.totalConfirmed + feeCalc.est.fail.inMempool + feeCalc.est.fail.leftMempool) : 0.0,
|
|
feeCalc.est.fail.withinTarget, feeCalc.est.fail.totalConfirmed, feeCalc.est.fail.inMempool, feeCalc.est.fail.leftMempool);
|
|
return true;
|
|
}
|
|
|
|
void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::vector<std::pair<std::string, std::string>> orderForm)
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
CWalletTx wtxNew(this, std::move(tx));
|
|
wtxNew.mapValue = std::move(mapValue);
|
|
wtxNew.vOrderForm = std::move(orderForm);
|
|
wtxNew.fTimeReceivedIsTxTime = true;
|
|
wtxNew.fFromMe = true;
|
|
|
|
WalletLogPrintf("CommitTransaction:\n%s", wtxNew.tx->ToString()); /* Continued */
|
|
// Add tx to wallet, because if it has change it's also ours,
|
|
// otherwise just for transaction history.
|
|
AddToWallet(wtxNew);
|
|
|
|
// Notify that old coins are spent
|
|
std::set<uint256> updated_hahes;
|
|
for (const CTxIn& txin : wtxNew.tx->vin){
|
|
// notify only once
|
|
if(updated_hahes.find(txin.prevout.hash) != updated_hahes.end()) continue;
|
|
|
|
CWalletTx &coin = mapWallet.at(txin.prevout.hash);
|
|
coin.BindWallet(this);
|
|
NotifyTransactionChanged(this, txin.prevout.hash, CT_UPDATED);
|
|
updated_hahes.insert(txin.prevout.hash);
|
|
}
|
|
// Get the inserted-CWalletTx from mapWallet so that the
|
|
// fInMempool flag is cached properly
|
|
CWalletTx& wtx = mapWallet.at(wtxNew.GetHash());
|
|
|
|
if (!fBroadcastTransactions) {
|
|
// Don't submit tx to the mempool
|
|
return;
|
|
}
|
|
|
|
std::string err_string;
|
|
if (!wtx.SubmitMemoryPoolAndRelay(err_string, true)) {
|
|
WalletLogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", err_string);
|
|
// TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure.
|
|
}
|
|
}
|
|
|
|
DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
|
|
{
|
|
// Even if we don't use this lock in this function, we want to preserve
|
|
// lock order in LoadToWallet if query of chain state is needed to know
|
|
// tx status. If lock can't be taken (e.g wallet-tool), tx confirmation
|
|
// status may be not reliable.
|
|
auto locked_chain = LockChain();
|
|
LOCK(cs_wallet);
|
|
|
|
fFirstRunRet = false;
|
|
DBErrors nLoadWalletRet = WalletBatch(*database,"cr+").LoadWallet(this);
|
|
if (nLoadWalletRet == DBErrors::NEED_REWRITE)
|
|
{
|
|
if (database->Rewrite("\x04pool"))
|
|
{
|
|
setInternalKeyPool.clear();
|
|
setExternalKeyPool.clear();
|
|
nKeysLeftSinceAutoBackup = 0;
|
|
m_pool_key_to_index.clear();
|
|
// Note: can't top-up keypool here, because wallet is locked.
|
|
// User will be prompted to unlock wallet the next operation
|
|
// that requires a new key.
|
|
}
|
|
}
|
|
|
|
{
|
|
LOCK(cs_KeyStore);
|
|
// This wallet is in its first run if all of these are empty
|
|
fFirstRunRet = mapKeys.empty() && mapHdPubKeys.empty() && mapCryptedKeys.empty() && mapWatchKeys.empty() && setWatchOnly.empty() && mapScripts.empty() && !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET);
|
|
}
|
|
|
|
if (locked_chain) {
|
|
const Optional<int> tip_height = locked_chain->getHeight();
|
|
if (tip_height) {
|
|
SetLastBlockProcessed(*tip_height, locked_chain->getBlockHash(*tip_height));
|
|
for (auto& pair : mapWallet) {
|
|
for(unsigned int i = 0; i < pair.second.tx->vout.size(); ++i) {
|
|
if (IsMine(pair.second.tx->vout[i]) && !IsSpent(pair.first, i)) {
|
|
setWalletUTXO.insert(COutPoint(pair.first, i));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
InitCoinJoinSalt();
|
|
|
|
if (nLoadWalletRet != DBErrors::LOAD_OK)
|
|
return nLoadWalletRet;
|
|
|
|
return DBErrors::LOAD_OK;
|
|
}
|
|
|
|
// Goes through all wallet transactions and checks if they are masternode collaterals, in which case these are locked
|
|
// This avoids accidental spending of collaterals. They can still be unlocked manually if a spend is really intended.
|
|
void CWallet::AutoLockMasternodeCollaterals()
|
|
{
|
|
auto mnList = deterministicMNManager->GetListAtChainTip();
|
|
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
for (const auto& pair : mapWallet) {
|
|
for (unsigned int i = 0; i < pair.second.tx->vout.size(); ++i) {
|
|
if (IsMine(pair.second.tx->vout[i]) && !IsSpent(pair.first, i)) {
|
|
if (deterministicMNManager->IsProTxWithCollateral(pair.second.tx, i) || mnList.HasMNByCollateral(COutPoint(pair.first, i))) {
|
|
LockCoin(COutPoint(pair.first, i));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
DBErrors CWallet::ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256>& vHashOut)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
DBErrors nZapSelectTxRet = WalletBatch(*database, "cr+").ZapSelectTx(vHashIn, vHashOut);
|
|
for (uint256 hash : vHashOut) {
|
|
const auto& it = mapWallet.find(hash);
|
|
wtxOrdered.erase(it->second.m_it_wtxOrdered);
|
|
mapWallet.erase(it);
|
|
NotifyTransactionChanged(this, hash, CT_DELETED);
|
|
}
|
|
|
|
if (nZapSelectTxRet == DBErrors::NEED_REWRITE)
|
|
{
|
|
if (database->Rewrite("\x04pool"))
|
|
{
|
|
setInternalKeyPool.clear();
|
|
setExternalKeyPool.clear();
|
|
m_pool_key_to_index.clear();
|
|
// Note: can't top-up keypool here, because wallet is locked.
|
|
// User will be prompted to unlock wallet the next operation
|
|
// that requires a new key.
|
|
}
|
|
}
|
|
|
|
if (nZapSelectTxRet != DBErrors::LOAD_OK)
|
|
return nZapSelectTxRet;
|
|
|
|
MarkDirty();
|
|
|
|
return DBErrors::LOAD_OK;
|
|
}
|
|
|
|
DBErrors CWallet::ZapWalletTx(std::vector<CWalletTx>& vWtx)
|
|
{
|
|
DBErrors nZapWalletTxRet = WalletBatch(*database,"cr+").ZapWalletTx(vWtx);
|
|
if (nZapWalletTxRet == DBErrors::NEED_REWRITE)
|
|
{
|
|
if (database->Rewrite("\x04pool"))
|
|
{
|
|
LOCK(cs_wallet);
|
|
setInternalKeyPool.clear();
|
|
setExternalKeyPool.clear();
|
|
nKeysLeftSinceAutoBackup = 0;
|
|
m_pool_key_to_index.clear();
|
|
// Note: can't top-up keypool here, because wallet is locked.
|
|
// User will be prompted to unlock wallet the next operation
|
|
// that requires a new key.
|
|
}
|
|
}
|
|
|
|
if (nZapWalletTxRet != DBErrors::LOAD_OK)
|
|
return nZapWalletTxRet;
|
|
|
|
return DBErrors::LOAD_OK;
|
|
}
|
|
|
|
bool CWallet::SetAddressBookWithDB(WalletBatch& batch, const CTxDestination& address, const std::string& strName, const std::string& strPurpose)
|
|
{
|
|
bool fUpdated = false;
|
|
{
|
|
LOCK(cs_wallet);
|
|
std::map<CTxDestination, CAddressBookData>::iterator mi = mapAddressBook.find(address);
|
|
fUpdated = mi != mapAddressBook.end();
|
|
mapAddressBook[address].name = strName;
|
|
if (!strPurpose.empty()) /* update purpose only if requested */
|
|
mapAddressBook[address].purpose = strPurpose;
|
|
}
|
|
NotifyAddressBookChanged(this, address, strName, ::IsMine(*this, address) != ISMINE_NO,
|
|
strPurpose, (fUpdated ? CT_UPDATED : CT_NEW) );
|
|
if (!strPurpose.empty() && !batch.WritePurpose(EncodeDestination(address), strPurpose))
|
|
return false;
|
|
return batch.WriteName(EncodeDestination(address), strName);
|
|
}
|
|
|
|
bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& strName, const std::string& strPurpose)
|
|
{
|
|
WalletBatch batch(*database);
|
|
return SetAddressBookWithDB(batch, address, strName, strPurpose);
|
|
}
|
|
|
|
bool CWallet::DelAddressBook(const CTxDestination& address)
|
|
{
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
// Delete destdata tuples associated with address
|
|
std::string strAddress = EncodeDestination(address);
|
|
for (const std::pair<const std::string, std::string> &item : mapAddressBook[address].destdata)
|
|
{
|
|
WalletBatch(*database).EraseDestData(strAddress, item.first);
|
|
}
|
|
mapAddressBook.erase(address);
|
|
}
|
|
|
|
NotifyAddressBookChanged(this, address, "", ::IsMine(*this, address) != ISMINE_NO, "", CT_DELETED);
|
|
|
|
WalletBatch(*database).ErasePurpose(EncodeDestination(address));
|
|
return WalletBatch(*database).EraseName(EncodeDestination(address));
|
|
}
|
|
|
|
/**
|
|
* 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();
|
|
auto it = coinJoinClientManagers.find(GetName());
|
|
if (it != coinJoinClientManagers.end()) {
|
|
it->second->StopMixing();
|
|
}
|
|
nKeysLeftSinceAutoBackup = 0;
|
|
|
|
m_pool_key_to_index.clear();
|
|
|
|
if (!TopUpKeyPool())
|
|
return false;
|
|
|
|
WalletLogPrintf("CWallet::NewKeyPool rewrote keypool\n");
|
|
}
|
|
return true;
|
|
}
|
|
|
|
size_t CWallet::KeypoolCountExternalKeys()
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
return setExternalKeyPool.size();
|
|
}
|
|
|
|
void CWallet::LoadKeyPool(int64_t nIndex, const CKeyPool &keypool)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
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);
|
|
}
|
|
|
|
size_t CWallet::KeypoolCountInternalKeys()
|
|
{
|
|
AssertLockHeld(cs_wallet); // setInternalKeyPool
|
|
return setInternalKeyPool.size();
|
|
}
|
|
|
|
bool CWallet::TopUpKeyPool(unsigned int kpSize)
|
|
{
|
|
if (!CanGenerateKeys()) {
|
|
return false;
|
|
}
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
if (IsLocked(true)) 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 amountExternal = setExternalKeyPool.size();
|
|
int64_t amountInternal = setInternalKeyPool.size();
|
|
int64_t missingExternal = std::max(std::max((int64_t) nTargetSize, (int64_t) 1) - amountExternal, (int64_t) 0);
|
|
int64_t missingInternal = std::max(std::max((int64_t) nTargetSize, (int64_t) 1) - amountInternal, (int64_t) 0);
|
|
|
|
if (!IsHDEnabled())
|
|
{
|
|
// don't create extra internal keys
|
|
missingInternal = 0;
|
|
} else {
|
|
nTargetSize *= 2;
|
|
}
|
|
bool fInternal = false;
|
|
WalletBatch batch(*database);
|
|
for (int64_t i = missingInternal + missingExternal; i--;)
|
|
{
|
|
if (i < missingInternal) {
|
|
fInternal = true;
|
|
}
|
|
|
|
// TODO: implement keypools for all accounts?
|
|
CPubKey pubkey(GenerateNewKey(batch, 0, fInternal));
|
|
AddKeypoolPubkeyWithDB(pubkey, fInternal, batch);
|
|
|
|
if (missingInternal + missingExternal > 0) {
|
|
WalletLogPrintf("keypool added %d keys (%d internal), size=%u (%u internal)\n",
|
|
missingInternal + missingExternal, missingInternal,
|
|
setInternalKeyPool.size() + setExternalKeyPool.size(), setInternalKeyPool.size());
|
|
}
|
|
|
|
double dProgress = 100.f * m_max_keypool_index / (nTargetSize + 1);
|
|
std::string strMsg = strprintf(_("Loading wallet... (%3.2f %%)").translated, dProgress);
|
|
uiInterface.InitMessage(strMsg);
|
|
}
|
|
}
|
|
NotifyCanGetAddressesChanged();
|
|
return true;
|
|
}
|
|
|
|
void CWallet::AddKeypoolPubkey(const CPubKey& pubkey, const bool internal)
|
|
{
|
|
WalletBatch batch(*database);
|
|
AddKeypoolPubkeyWithDB(pubkey, internal, batch);
|
|
NotifyCanGetAddressesChanged();
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
bool CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool fRequestedInternal)
|
|
{
|
|
nIndex = -1;
|
|
keypool.vchPubKey = CPubKey();
|
|
{
|
|
LOCK(cs_wallet);
|
|
|
|
TopUpKeyPool();
|
|
|
|
bool fReturningInternal = fRequestedInternal;
|
|
fReturningInternal &= IsHDEnabled() || IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
|
|
std::set<int64_t>& setKeyPool = fReturningInternal ? setInternalKeyPool : setExternalKeyPool;
|
|
|
|
// Get the oldest key
|
|
if (setKeyPool.empty()) {
|
|
return false;
|
|
}
|
|
|
|
WalletBatch batch(*database);
|
|
|
|
nIndex = *setKeyPool.begin();
|
|
setKeyPool.erase(nIndex);
|
|
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 (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::KeepKey(int64_t nIndex)
|
|
{
|
|
// Remove from key pool
|
|
{
|
|
LOCK(cs_wallet);
|
|
WalletBatch batch(*database);
|
|
if (batch.ErasePool(nIndex))
|
|
--nKeysLeftSinceAutoBackup;
|
|
if (!nWalletBackups)
|
|
nKeysLeftSinceAutoBackup = 0;
|
|
}
|
|
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 {
|
|
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(true)) return false;
|
|
// TODO: implement keypool for all accouts?
|
|
WalletBatch batch(*database);
|
|
result = GenerateNewKey(batch, 0, internal);
|
|
return true;
|
|
}
|
|
KeepKey(nIndex);
|
|
result = keypool.vchPubKey;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static int64_t GetOldestKeyInPool(const std::set<int64_t>& setKeyPool, WalletBatch& batch) {
|
|
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);
|
|
|
|
// if the keypool is empty, return <NOW>
|
|
if (setExternalKeyPool.empty() && setInternalKeyPool.empty())
|
|
return GetTime();
|
|
|
|
WalletBatch batch(*database);
|
|
int64_t oldestKey = -1;
|
|
|
|
// load oldest key from keypool, get time and return
|
|
if (!setInternalKeyPool.empty()) {
|
|
oldestKey = std::max(GetOldestKeyInPool(setInternalKeyPool, batch), oldestKey);
|
|
}
|
|
if (!setExternalKeyPool.empty()) {
|
|
oldestKey = std::max(GetOldestKeyInPool(setExternalKeyPool, batch), oldestKey);
|
|
}
|
|
return oldestKey;
|
|
}
|
|
|
|
std::map<CTxDestination, CAmount> CWallet::GetAddressBalances(interfaces::Chain::Lock& locked_chain)
|
|
{
|
|
std::map<CTxDestination, CAmount> balances;
|
|
|
|
{
|
|
LOCK(cs_wallet);
|
|
for (const auto& walletEntry : mapWallet)
|
|
{
|
|
const CWalletTx *pcoin = &walletEntry.second;
|
|
|
|
if (!pcoin->IsTrusted(locked_chain))
|
|
continue;
|
|
|
|
if (pcoin->IsImmatureCoinBase())
|
|
continue;
|
|
|
|
int nDepth = pcoin->GetDepthInMainChain();
|
|
if ((nDepth < (pcoin->IsFromMe(ISMINE_ALL) ? 0 : 1)) && !pcoin->IsLockedByInstantSend())
|
|
continue;
|
|
|
|
for (unsigned int i = 0; i < pcoin->tx->vout.size(); i++)
|
|
{
|
|
CTxDestination addr;
|
|
if (!IsMine(pcoin->tx->vout[i]))
|
|
continue;
|
|
if(!ExtractDestination(pcoin->tx->vout[i].scriptPubKey, addr))
|
|
continue;
|
|
|
|
CAmount n = IsSpent(walletEntry.first, i) ? 0 : pcoin->tx->vout[i].nValue;
|
|
|
|
if (!balances.count(addr))
|
|
balances[addr] = 0;
|
|
balances[addr] += n;
|
|
}
|
|
}
|
|
}
|
|
|
|
return balances;
|
|
}
|
|
|
|
std::set< std::set<CTxDestination> > CWallet::GetAddressGroupings()
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
std::set< std::set<CTxDestination> > groupings;
|
|
std::set<CTxDestination> grouping;
|
|
|
|
for (const auto& walletEntry : mapWallet)
|
|
{
|
|
const CWalletTx *pcoin = &walletEntry.second;
|
|
|
|
if (pcoin->tx->vin.size() > 0)
|
|
{
|
|
bool any_mine = false;
|
|
// group all input addresses with each other
|
|
for (const CTxIn& txin : pcoin->tx->vin)
|
|
{
|
|
CTxDestination address;
|
|
if(!IsMine(txin)) /* If this input isn't mine, ignore it */
|
|
continue;
|
|
if(!ExtractDestination(mapWallet.at(txin.prevout.hash).tx->vout[txin.prevout.n].scriptPubKey, address))
|
|
continue;
|
|
grouping.insert(address);
|
|
any_mine = true;
|
|
}
|
|
|
|
// group change with input addresses
|
|
if (any_mine)
|
|
{
|
|
for (const CTxOut& txout : pcoin->tx->vout)
|
|
if (IsChange(txout))
|
|
{
|
|
CTxDestination txoutAddr;
|
|
if(!ExtractDestination(txout.scriptPubKey, txoutAddr))
|
|
continue;
|
|
grouping.insert(txoutAddr);
|
|
}
|
|
}
|
|
if (grouping.size() > 0)
|
|
{
|
|
groupings.insert(grouping);
|
|
grouping.clear();
|
|
}
|
|
}
|
|
|
|
// group lone addrs by themselves
|
|
for (const auto& txout : pcoin->tx->vout)
|
|
if (IsMine(txout))
|
|
{
|
|
CTxDestination address;
|
|
if(!ExtractDestination(txout.scriptPubKey, address))
|
|
continue;
|
|
grouping.insert(address);
|
|
groupings.insert(grouping);
|
|
grouping.clear();
|
|
}
|
|
}
|
|
|
|
std::set< std::set<CTxDestination>* > uniqueGroupings; // a set of pointers to groups of addresses
|
|
std::map< CTxDestination, std::set<CTxDestination>* > setmap; // map addresses to the unique group containing it
|
|
for (std::set<CTxDestination> _grouping : groupings)
|
|
{
|
|
// make a set of all the groups hit by this new group
|
|
std::set< std::set<CTxDestination>* > hits;
|
|
std::map< CTxDestination, std::set<CTxDestination>* >::iterator it;
|
|
for (const CTxDestination& address : _grouping)
|
|
if ((it = setmap.find(address)) != setmap.end())
|
|
hits.insert((*it).second);
|
|
|
|
// merge all hit groups into a new single group and delete old groups
|
|
std::set<CTxDestination>* merged = new std::set<CTxDestination>(_grouping);
|
|
for (std::set<CTxDestination>* hit : hits)
|
|
{
|
|
merged->insert(hit->begin(), hit->end());
|
|
uniqueGroupings.erase(hit);
|
|
delete hit;
|
|
}
|
|
uniqueGroupings.insert(merged);
|
|
|
|
// update setmap
|
|
for (const CTxDestination& element : *merged)
|
|
setmap[element] = merged;
|
|
}
|
|
|
|
std::set< std::set<CTxDestination> > ret;
|
|
for (const std::set<CTxDestination>* uniqueGrouping : uniqueGroupings)
|
|
{
|
|
ret.insert(*uniqueGrouping);
|
|
delete uniqueGrouping;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::set<CTxDestination> CWallet::GetLabelAddresses(const std::string& label) const
|
|
{
|
|
LOCK(cs_wallet);
|
|
std::set<CTxDestination> result;
|
|
for (const std::pair<const CTxDestination, CAddressBookData>& item : mapAddressBook)
|
|
{
|
|
const CTxDestination& address = item.first;
|
|
const std::string& strName = item.second.name;
|
|
if (strName == label)
|
|
result.insert(address);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool CReserveKey::GetReservedKey(CPubKey& pubkey, bool fInternalIn)
|
|
{
|
|
if (!pwallet->CanGetAddresses(fInternalIn)) {
|
|
return false;
|
|
}
|
|
|
|
if (nIndex == -1)
|
|
{
|
|
CKeyPool keypool;
|
|
if (!pwallet->ReserveKeyFromKeyPool(nIndex, keypool, fInternalIn)) {
|
|
return false;
|
|
}
|
|
vchPubKey = keypool.vchPubKey;
|
|
fInternal = keypool.fInternal;
|
|
}
|
|
assert(vchPubKey.IsValid());
|
|
pubkey = vchPubKey;
|
|
return true;
|
|
}
|
|
|
|
void CReserveKey::KeepKey()
|
|
{
|
|
if (nIndex != -1) {
|
|
pwallet->KeepKey(nIndex);
|
|
}
|
|
nIndex = -1;
|
|
vchPubKey = CPubKey();
|
|
}
|
|
|
|
void CReserveKey::ReturnKey()
|
|
{
|
|
if (nIndex != -1) {
|
|
pwallet->ReturnKey(nIndex, fInternal, vchPubKey);
|
|
}
|
|
nIndex = -1;
|
|
vchPubKey = CPubKey();
|
|
}
|
|
|
|
void CWallet::MarkReserveKeysAsUsed(int64_t keypool_id)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
bool internal = setInternalKeyPool.count(keypool_id);
|
|
if (!internal) assert(setExternalKeyPool.count(keypool_id));
|
|
std::set<int64_t> *setKeyPool = internal ? &setInternalKeyPool : &setExternalKeyPool;
|
|
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());
|
|
}
|
|
batch.ErasePool(index);
|
|
WalletLogPrintf("keypool index %d removed\n", index);
|
|
it = setKeyPool->erase(it);
|
|
}
|
|
}
|
|
|
|
void CWallet::LockCoin(const COutPoint& output)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
setLockedCoins.insert(output);
|
|
std::map<uint256, CWalletTx>::iterator it = mapWallet.find(output.hash);
|
|
if (it != mapWallet.end()) it->second.MarkDirty(); // recalculate all credits for this tx
|
|
|
|
fAnonymizableTallyCached = false;
|
|
fAnonymizableTallyCachedNonDenom = false;
|
|
}
|
|
|
|
void CWallet::UnlockCoin(const COutPoint& output)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
setLockedCoins.erase(output);
|
|
std::map<uint256, CWalletTx>::iterator it = mapWallet.find(output.hash);
|
|
if (it != mapWallet.end()) it->second.MarkDirty(); // recalculate all credits for this tx
|
|
|
|
fAnonymizableTallyCached = false;
|
|
fAnonymizableTallyCachedNonDenom = false;
|
|
}
|
|
|
|
void CWallet::UnlockAllCoins()
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
setLockedCoins.clear();
|
|
}
|
|
|
|
bool CWallet::IsLockedCoin(uint256 hash, unsigned int n) const
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
COutPoint outpt(hash, n);
|
|
|
|
return (setLockedCoins.count(outpt) > 0);
|
|
}
|
|
|
|
void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts) const
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
for (std::set<COutPoint>::iterator it = setLockedCoins.begin();
|
|
it != setLockedCoins.end(); it++) {
|
|
COutPoint outpt = (*it);
|
|
vOutpts.push_back(outpt);
|
|
}
|
|
}
|
|
|
|
void CWallet::ListProTxCoins(std::vector<COutPoint>& vOutpts) const
|
|
{
|
|
auto mnList = deterministicMNManager->GetListAtChainTip();
|
|
|
|
AssertLockHeld(cs_wallet);
|
|
for (const auto &o : setWalletUTXO) {
|
|
auto it = mapWallet.find(o.hash);
|
|
if (it != mapWallet.end()) {
|
|
const auto &p = it->second;
|
|
if (deterministicMNManager->IsProTxWithCollateral(p.tx, o.n) || mnList.HasMNByCollateral(o)) {
|
|
vOutpts.emplace_back(o);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/** @} */ // end of Actions
|
|
|
|
void CWallet::GetKeyBirthTimes(interfaces::Chain::Lock& locked_chain, std::map<CTxDestination, int64_t>& mapKeyBirth) const {
|
|
AssertLockHeld(::cs_main); // LookupBlockIndex
|
|
AssertLockHeld(cs_wallet);
|
|
mapKeyBirth.clear();
|
|
|
|
// get birth times for keys with metadata
|
|
for (const auto& entry : mapKeyMetadata) {
|
|
if (entry.second.nCreateTime) {
|
|
mapKeyBirth[entry.first] = entry.second.nCreateTime;
|
|
}
|
|
}
|
|
|
|
// map in which we'll infer heights of other keys
|
|
const Optional<int> tip_height = locked_chain.getHeight();
|
|
const int max_height = tip_height && *tip_height > 144 ? *tip_height - 144 : 0; // the tip can be reorganized; use a 144-block safety margin
|
|
std::map<CKeyID, int> mapKeyFirstBlock;
|
|
for (const CKeyID &keyid : GetKeys()) {
|
|
if (mapKeyBirth.count(keyid) == 0)
|
|
mapKeyFirstBlock[keyid] = max_height;
|
|
}
|
|
|
|
// if there are no such keys, we're done
|
|
if (mapKeyFirstBlock.empty())
|
|
return;
|
|
|
|
// find first block that affects those keys, if there are any left
|
|
std::vector<CKeyID> vAffected;
|
|
for (const auto& entry : mapWallet) {
|
|
// iterate over all wallet transactions...
|
|
const CWalletTx &wtx = entry.second;
|
|
if (Optional<int> height = locked_chain.getBlockHeight(wtx.m_confirm.hashBlock)) {
|
|
// ... which are already in a block
|
|
for (const CTxOut &txout : wtx.tx->vout) {
|
|
// iterate over all their outputs
|
|
CAffectedKeysVisitor(*this, vAffected).Process(txout.scriptPubKey);
|
|
for (const CKeyID &keyid : vAffected) {
|
|
// ... and all their affected keys
|
|
std::map<CKeyID, int>::iterator rit = mapKeyFirstBlock.find(keyid);
|
|
if (rit != mapKeyFirstBlock.end() && *height < rit->second)
|
|
rit->second = *height;
|
|
}
|
|
vAffected.clear();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Extract block timestamps for those keys
|
|
for (const auto& entry : mapKeyFirstBlock)
|
|
mapKeyBirth[entry.first] = locked_chain.getBlockTime(entry.second) - TIMESTAMP_WINDOW; // block times can be 2h off
|
|
}
|
|
|
|
/**
|
|
* Compute smart timestamp for a transaction being added to the wallet.
|
|
*
|
|
* Logic:
|
|
* - If sending a transaction, assign its timestamp to the current time.
|
|
* - If receiving a transaction outside a block, assign its timestamp to the
|
|
* current time.
|
|
* - If receiving a block with a future timestamp, assign all its (not already
|
|
* known) transactions' timestamps to the current time.
|
|
* - If receiving a block with a past timestamp, before the most recent known
|
|
* transaction (that we care about), assign all its (not already known)
|
|
* transactions' timestamps to the same timestamp as that most-recent-known
|
|
* transaction.
|
|
* - If receiving a block with a past timestamp, but after the most recent known
|
|
* transaction, assign all its (not already known) transactions' timestamps to
|
|
* the block time.
|
|
*
|
|
* For more information see CWalletTx::nTimeSmart,
|
|
* https://bitcointalk.org/?topic=54527, or
|
|
* https://github.com/bitcoin/bitcoin/pull/1393.
|
|
*/
|
|
unsigned int CWallet::ComputeTimeSmart(const CWalletTx& wtx) const
|
|
{
|
|
AssertLockHeld(::cs_main);
|
|
unsigned int nTimeSmart = wtx.nTimeReceived;
|
|
if (!wtx.isUnconfirmed() && !wtx.isAbandoned()) {
|
|
int64_t blocktime;
|
|
if (chain().findBlock(wtx.m_confirm.hashBlock, nullptr /* block */, &blocktime)) {
|
|
int64_t latestNow = wtx.nTimeReceived;
|
|
int64_t latestEntry = 0;
|
|
|
|
// Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
|
|
int64_t latestTolerated = latestNow + 300;
|
|
const TxItems& txOrdered = wtxOrdered;
|
|
for (auto it = txOrdered.rbegin(); it != txOrdered.rend(); ++it) {
|
|
CWalletTx* const pwtx = it->second;
|
|
if (pwtx == &wtx) {
|
|
continue;
|
|
}
|
|
int64_t nSmartTime;
|
|
nSmartTime = pwtx->nTimeSmart;
|
|
if (!nSmartTime) {
|
|
nSmartTime = pwtx->nTimeReceived;
|
|
}
|
|
if (nSmartTime <= latestTolerated) {
|
|
latestEntry = nSmartTime;
|
|
if (nSmartTime > latestNow) {
|
|
latestNow = nSmartTime;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
|
|
} else {
|
|
WalletLogPrintf("%s: found %s in block %s not in index\n", __func__, wtx.GetHash().ToString(), wtx.m_confirm.hashBlock.ToString());
|
|
}
|
|
}
|
|
return nTimeSmart;
|
|
}
|
|
|
|
bool CWallet::AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
|
|
{
|
|
if (boost::get<CNoDestination>(&dest))
|
|
return false;
|
|
|
|
mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
|
|
return WalletBatch(*database).WriteDestData(EncodeDestination(dest), key, value);
|
|
}
|
|
|
|
bool CWallet::EraseDestData(const CTxDestination &dest, const std::string &key)
|
|
{
|
|
if (!mapAddressBook[dest].destdata.erase(key))
|
|
return false;
|
|
return WalletBatch(*database).EraseDestData(EncodeDestination(dest), key);
|
|
}
|
|
|
|
void CWallet::LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
|
|
{
|
|
mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
|
|
}
|
|
|
|
bool CWallet::GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const
|
|
{
|
|
std::map<CTxDestination, CAddressBookData>::const_iterator i = mapAddressBook.find(dest);
|
|
if(i != mapAddressBook.end())
|
|
{
|
|
CAddressBookData::StringMap::const_iterator j = i->second.destdata.find(key);
|
|
if(j != i->second.destdata.end())
|
|
{
|
|
if(value)
|
|
*value = j->second;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
std::vector<std::string> CWallet::GetDestValues(const std::string& prefix) const
|
|
{
|
|
std::vector<std::string> values;
|
|
for (const auto& address : mapAddressBook) {
|
|
for (const auto& data : address.second.destdata) {
|
|
if (!data.first.compare(0, prefix.size(), prefix)) {
|
|
values.emplace_back(data.second);
|
|
}
|
|
}
|
|
}
|
|
return values;
|
|
}
|
|
|
|
bool CWallet::Verify(interfaces::Chain& chain, const WalletLocation& location, bilingual_str& error_string, std::vector<bilingual_str>& warnings)
|
|
{
|
|
// Do some checking on wallet path. It should be either a:
|
|
//
|
|
// 1. Path where a directory can be created.
|
|
// 2. Path to an existing directory.
|
|
// 3. Path to a symlink to a directory.
|
|
// 4. For backwards compatibility, the name of a data file in -walletdir.
|
|
LOCK(cs_wallets);
|
|
const fs::path& wallet_path = location.GetPath();
|
|
fs::file_type path_type = fs::symlink_status(wallet_path).type();
|
|
if (!(path_type == fs::file_not_found || path_type == fs::directory_file ||
|
|
(path_type == fs::symlink_file && fs::is_directory(wallet_path)) ||
|
|
(path_type == fs::regular_file && fs::path(location.GetName()).filename() == location.GetName()))) {
|
|
error_string = Untranslated(strprintf(
|
|
"Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and "
|
|
"database/log.?????????? files can be stored, a location where such a directory could be created, "
|
|
"or (for backwards compatibility) the name of an existing data file in -walletdir (%s)",
|
|
location.GetName(), GetWalletDir()));
|
|
return false;
|
|
}
|
|
|
|
// Make sure that the wallet path doesn't clash with an existing wallet path
|
|
if (IsWalletLoaded(wallet_path)) {
|
|
error_string = Untranslated(strprintf("Error loading wallet %s. Duplicate -wallet filename specified.", location.GetName()));
|
|
return false;
|
|
}
|
|
|
|
// Keep same database environment instance across Verify/Recover calls below.
|
|
std::unique_ptr<WalletDatabase> database = CreateWalletDatabase(wallet_path);
|
|
|
|
try {
|
|
if (!database->Verify(error_string)) {
|
|
return false;
|
|
}
|
|
} catch (const fs::filesystem_error& e) {
|
|
error_string = Untranslated(strprintf("Error loading wallet %s. %s", location.GetName(), fsbridge::get_filesystem_error_message(e)));
|
|
return false;
|
|
}
|
|
|
|
// Let tempWallet hold the pointer to the corresponding wallet database.
|
|
std::unique_ptr<CWallet> tempWallet = MakeUnique<CWallet>(&chain, location, std::move(database));
|
|
if (!tempWallet->AutoBackupWallet(wallet_path, error_string, warnings) && !error_string.original.empty()) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(interfaces::Chain& chain, const WalletLocation& location, bilingual_str& error, std::vector<bilingual_str>& warnings, uint64_t wallet_creation_flags)
|
|
{
|
|
const std::string walletFile = WalletDataFilePath(location.GetPath()).string();
|
|
|
|
// needed to restore wallet transaction meta data after -zapwallettxes
|
|
std::vector<CWalletTx> vWtx;
|
|
|
|
if (gArgs.GetBoolArg("-zapwallettxes", false)) {
|
|
chain.initMessage(_("Zapping all transactions from wallet...").translated);
|
|
|
|
std::unique_ptr<CWallet> tempWallet = MakeUnique<CWallet>(&chain, location, CreateWalletDatabase(location.GetPath()));
|
|
DBErrors nZapWalletRet = tempWallet->ZapWalletTx(vWtx);
|
|
if (nZapWalletRet != DBErrors::LOAD_OK) {
|
|
error = strprintf(_("Error loading %s: Wallet corrupted"), walletFile);
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
chain.initMessage(_("Loading wallet...").translated);
|
|
|
|
int64_t nStart = GetTimeMillis();
|
|
bool fFirstRun = true;
|
|
// TODO: Can't use std::make_shared because we need a custom deleter but
|
|
// should be possible to use std::allocate_shared.
|
|
std::shared_ptr<CWallet> walletInstance(new CWallet(&chain, location, CreateWalletDatabase(location.GetPath())), ReleaseWallet);
|
|
AddWallet(walletInstance);
|
|
auto unload_wallet = [&](const bilingual_str& strError) {
|
|
RemoveWallet(walletInstance);
|
|
error = strError;
|
|
return nullptr;
|
|
};
|
|
DBErrors nLoadWalletRet;
|
|
try {
|
|
nLoadWalletRet = walletInstance->LoadWallet(fFirstRun);
|
|
} catch (const std::exception& e) {
|
|
RemoveWallet(walletInstance);
|
|
throw;
|
|
}
|
|
if (nLoadWalletRet != DBErrors::LOAD_OK)
|
|
{
|
|
if (nLoadWalletRet == DBErrors::CORRUPT) {
|
|
return unload_wallet(strprintf(_("Error loading %s: Wallet corrupted"), walletFile));
|
|
}
|
|
else if (nLoadWalletRet == DBErrors::NONCRITICAL_ERROR)
|
|
{
|
|
warnings.push_back(strprintf(_("Error reading %s! All keys read correctly, but transaction data"
|
|
" or address book entries might be missing or incorrect."),
|
|
walletFile));
|
|
}
|
|
else if (nLoadWalletRet == DBErrors::TOO_NEW) {
|
|
return unload_wallet(strprintf(_("Error loading %s: Wallet requires newer version of %s"), walletFile, PACKAGE_NAME));
|
|
}
|
|
else if (nLoadWalletRet == DBErrors::NEED_REWRITE)
|
|
{
|
|
return unload_wallet(strprintf(_("Wallet needed to be rewritten: restart %s to complete"), PACKAGE_NAME));
|
|
}
|
|
else {
|
|
return unload_wallet(strprintf(_("Error loading %s"), walletFile));
|
|
}
|
|
}
|
|
|
|
if (gArgs.GetBoolArg("-upgradewallet", fFirstRun))
|
|
{
|
|
int nMaxVersion = gArgs.GetArg("-upgradewallet", 0);
|
|
auto nMinVersion = DEFAULT_USE_HD_WALLET ? FEATURE_LATEST : FEATURE_COMPRPUBKEY;
|
|
if (nMaxVersion == 0) // the -upgradewallet without argument case
|
|
{
|
|
walletInstance->WalletLogPrintf("Performing wallet upgrade to %i\n", nMinVersion);
|
|
nMaxVersion = FEATURE_LATEST;
|
|
walletInstance->SetMinVersion(nMinVersion); // permanently upgrade the wallet immediately
|
|
}
|
|
else
|
|
walletInstance->WalletLogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion);
|
|
if (nMaxVersion < walletInstance->GetVersion())
|
|
{
|
|
return unload_wallet(_("Cannot downgrade wallet"));
|
|
}
|
|
walletInstance->SetMaxVersion(nMaxVersion);
|
|
}
|
|
|
|
if (fFirstRun)
|
|
{
|
|
if ((wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
|
|
//selective allow to set flags
|
|
walletInstance->SetWalletFlag(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
|
|
} else if (wallet_creation_flags & WALLET_FLAG_BLANK_WALLET) {
|
|
walletInstance->SetWalletFlag(WALLET_FLAG_BLANK_WALLET);
|
|
} else {
|
|
// Create new HD chain
|
|
if (gArgs.GetBoolArg("-usehd", DEFAULT_USE_HD_WALLET) && !walletInstance->IsHDEnabled()) {
|
|
std::string strSeed = gArgs.GetArg("-hdseed", "not hex");
|
|
|
|
if (gArgs.IsArgSet("-hdseed") && IsHex(strSeed)) {
|
|
CHDChain newHdChain;
|
|
std::vector<unsigned char> vchSeed = ParseHex(strSeed);
|
|
if (!newHdChain.SetSeed(SecureVector(vchSeed.begin(), vchSeed.end()), true)) {
|
|
return unload_wallet(strprintf(_("%s failed"), "SetSeed"));
|
|
}
|
|
if (!walletInstance->SetHDChainSingle(newHdChain, false)) {
|
|
return unload_wallet(strprintf(_("%s failed"), "SetHDChainSingle"));
|
|
}
|
|
// add default account
|
|
newHdChain.AddAccount();
|
|
newHdChain.Debug(__func__);
|
|
} else {
|
|
if (gArgs.IsArgSet("-hdseed") && !IsHex(strSeed)) {
|
|
walletInstance->WalletLogPrintf("%s -- Incorrect seed, generating a random mnemonic instead\n", __func__);
|
|
}
|
|
SecureString secureMnemonic = gArgs.GetArg("-mnemonic", "").c_str();
|
|
SecureString secureMnemonicPassphrase = gArgs.GetArg("-mnemonicpassphrase", "").c_str();
|
|
walletInstance->GenerateNewHDChain(secureMnemonic, secureMnemonicPassphrase);
|
|
}
|
|
|
|
// ensure this wallet.dat can only be opened by clients supporting HD
|
|
walletInstance->WalletLogPrintf("Upgrading wallet to HD\n");
|
|
walletInstance->SetMinVersion(FEATURE_HD);
|
|
|
|
// clean up
|
|
gArgs.ForceRemoveArg("-hdseed");
|
|
gArgs.ForceRemoveArg("-mnemonic");
|
|
gArgs.ForceRemoveArg("-mnemonicpassphrase");
|
|
}
|
|
} // Otherwise, do not create a new HD chain
|
|
|
|
// Top up the keypool
|
|
if (walletInstance->CanGenerateKeys() && !walletInstance->TopUpKeyPool()) {
|
|
return unload_wallet(_("Unable to generate initial keys"));
|
|
}
|
|
|
|
auto locked_chain = chain.lock();
|
|
walletInstance->ChainStateFlushed(locked_chain->getTipLocator());
|
|
|
|
// Try to create wallet backup right after new wallet was created
|
|
bilingual_str strBackupError;
|
|
if(!walletInstance->AutoBackupWallet("", strBackupError, warnings)) {
|
|
if (!strBackupError.original.empty()) {
|
|
return unload_wallet(strBackupError);
|
|
}
|
|
}
|
|
} else if (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS) {
|
|
// Make it impossible to disable private keys after creation
|
|
error = strprintf(_("Error loading %s: Private keys can only be disabled during creation"), walletFile);
|
|
return NULL;
|
|
} else if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
|
|
LOCK(walletInstance->cs_KeyStore);
|
|
if (!walletInstance->mapKeys.empty() || !walletInstance->mapCryptedKeys.empty()) {
|
|
warnings.push_back(strprintf(_("Warning: Private keys detected in wallet {%s} with disabled private keys"), walletFile));
|
|
}
|
|
}
|
|
else if (gArgs.IsArgSet("-usehd")) {
|
|
bool useHD = gArgs.GetBoolArg("-usehd", DEFAULT_USE_HD_WALLET);
|
|
if (walletInstance->IsHDEnabled() && !useHD) {
|
|
return unload_wallet(strprintf(_("Error loading %s: You can't disable HD on an already existing HD wallet"),
|
|
walletInstance->GetName()));
|
|
}
|
|
if (!walletInstance->IsHDEnabled() && useHD) {
|
|
return unload_wallet(strprintf(_("Error loading %s: You can't enable HD on an already existing non-HD wallet"),
|
|
walletInstance->GetName()));
|
|
}
|
|
}
|
|
|
|
// Warn user every time a non-encrypted HD wallet is started
|
|
if (walletInstance->IsHDEnabled() && !walletInstance->IsLocked()) {
|
|
SetMiscWarning(_("Make sure to encrypt your wallet and delete all non-encrypted backups after you have verified that the wallet works!").translated);
|
|
}
|
|
|
|
if (gArgs.IsArgSet("-mintxfee")) {
|
|
CAmount n = 0;
|
|
if (!ParseMoney(gArgs.GetArg("-mintxfee", ""), n) || 0 == n) {
|
|
error = AmountErrMsg("mintxfee", gArgs.GetArg("-mintxfee", ""));
|
|
return nullptr;
|
|
}
|
|
if (n > HIGH_TX_FEE_PER_KB) {
|
|
warnings.push_back(AmountHighWarn("-mintxfee") + Untranslated(" ") +
|
|
_("This is the minimum transaction fee you pay on every transaction."));
|
|
}
|
|
walletInstance->m_min_fee = CFeeRate(n);
|
|
}
|
|
|
|
walletInstance->m_allow_fallback_fee = Params().IsTestChain();
|
|
if (gArgs.IsArgSet("-fallbackfee")) {
|
|
CAmount nFeePerK = 0;
|
|
if (!ParseMoney(gArgs.GetArg("-fallbackfee", ""), nFeePerK)) {
|
|
error = strprintf(_("Invalid amount for -fallbackfee=<amount>: '%s'"), gArgs.GetArg("-fallbackfee", ""));
|
|
return nullptr;
|
|
}
|
|
if (nFeePerK > HIGH_TX_FEE_PER_KB) {
|
|
warnings.push_back(AmountHighWarn("-fallbackfee") + Untranslated(" ") +
|
|
_("This is the transaction fee you may pay when fee estimates are not available."));
|
|
}
|
|
walletInstance->m_fallback_fee = CFeeRate(nFeePerK);
|
|
walletInstance->m_allow_fallback_fee = nFeePerK != 0; //disable fallback fee in case value was set to 0, enable if non-null value
|
|
}
|
|
if (gArgs.IsArgSet("-discardfee")) {
|
|
CAmount nFeePerK = 0;
|
|
if (!ParseMoney(gArgs.GetArg("-discardfee", ""), nFeePerK)) {
|
|
error = strprintf(_("Invalid amount for -discardfee=<amount>: '%s'"), gArgs.GetArg("-discardfee", ""));
|
|
return nullptr;
|
|
}
|
|
if (nFeePerK > HIGH_TX_FEE_PER_KB) {
|
|
warnings.push_back(AmountHighWarn("-discardfee") + Untranslated(" ") +
|
|
_("This is the transaction fee you may discard if change is smaller than dust at this level"));
|
|
}
|
|
walletInstance->m_discard_rate = CFeeRate(nFeePerK);
|
|
}
|
|
if (gArgs.IsArgSet("-paytxfee")) {
|
|
CAmount nFeePerK = 0;
|
|
if (!ParseMoney(gArgs.GetArg("-paytxfee", ""), nFeePerK)) {
|
|
error = AmountErrMsg("paytxfee", gArgs.GetArg("-paytxfee", ""));
|
|
return nullptr;
|
|
}
|
|
if (nFeePerK > HIGH_TX_FEE_PER_KB) {
|
|
warnings.push_back(AmountHighWarn("-paytxfee") + Untranslated(" ") +
|
|
_("This is the transaction fee you will pay if you send a transaction."));
|
|
}
|
|
walletInstance->m_pay_tx_fee = CFeeRate(nFeePerK, 1000);
|
|
if (walletInstance->m_pay_tx_fee < chain.relayMinFee()) {
|
|
error = strprintf(_("Invalid amount for -paytxfee=<amount>: '%s' (must be at least %s)"),
|
|
gArgs.GetArg("-paytxfee", ""), chain.relayMinFee().ToString());
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
if (gArgs.IsArgSet("-maxtxfee")) {
|
|
CAmount nMaxFee = 0;
|
|
if (!ParseMoney(gArgs.GetArg("-maxtxfee", ""), nMaxFee)) {
|
|
error = AmountErrMsg("maxtxfee", gArgs.GetArg("-maxtxfee", ""));
|
|
return nullptr;
|
|
}
|
|
if (nMaxFee > HIGH_MAX_TX_FEE) {
|
|
warnings.push_back(_("-maxtxfee is set very high! Fees this large could be paid on a single transaction."));
|
|
}
|
|
if (CFeeRate(nMaxFee, 1000) < chain.relayMinFee()) {
|
|
error = strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
|
|
gArgs.GetArg("-maxtxfee", ""), chain.relayMinFee().ToString());
|
|
return nullptr;
|
|
}
|
|
walletInstance->m_default_max_tx_fee = nMaxFee;
|
|
}
|
|
|
|
if (chain.relayMinFee().GetFeePerK() > HIGH_TX_FEE_PER_KB)
|
|
warnings.push_back(AmountHighWarn("-minrelaytxfee") + Untranslated(" ") +
|
|
_("The wallet will avoid paying less than the minimum relay fee."));
|
|
|
|
walletInstance->m_confirm_target = gArgs.GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
|
|
walletInstance->m_spend_zero_conf_change = gArgs.GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
|
|
|
|
walletInstance->WalletLogPrintf("Wallet completed loading in %15dms\n", GetTimeMillis() - nStart);
|
|
|
|
// Try to top up keypool. No-op if the wallet is locked.
|
|
walletInstance->TopUpKeyPool();
|
|
|
|
auto locked_chain = chain.lock();
|
|
LOCK(walletInstance->cs_wallet);
|
|
|
|
int rescan_height = 0;
|
|
if (!gArgs.GetBoolArg("-rescan", false))
|
|
{
|
|
WalletBatch batch(*walletInstance->database);
|
|
CBlockLocator locator;
|
|
if (batch.ReadBestBlock(locator)) {
|
|
if (const Optional<int> fork_height = locked_chain->findLocatorFork(locator)) {
|
|
rescan_height = *fork_height;
|
|
}
|
|
}
|
|
}
|
|
|
|
const Optional<int> tip_height = locked_chain->getHeight();
|
|
if (tip_height) {
|
|
walletInstance->m_last_block_processed = locked_chain->getBlockHash(*tip_height);
|
|
walletInstance->m_last_block_processed_height = *tip_height;
|
|
} else {
|
|
walletInstance->m_last_block_processed.SetNull();
|
|
walletInstance->m_last_block_processed_height = -1;
|
|
}
|
|
|
|
if (tip_height && *tip_height != rescan_height)
|
|
{
|
|
// We can't rescan beyond non-pruned blocks, stop and throw an error.
|
|
// This might happen if a user uses an old wallet within a pruned node
|
|
// or if they ran -disablewallet for a longer time, then decided to re-enable
|
|
if (chain.havePruned()) {
|
|
// Exit early and print an error.
|
|
// If a block is pruned after this check, we will load the wallet,
|
|
// but fail the rescan with a generic error.
|
|
int block_height = *tip_height;
|
|
while (block_height > 0 && locked_chain->haveBlockOnDisk(block_height - 1) && rescan_height != block_height) {
|
|
--block_height;
|
|
}
|
|
|
|
if (rescan_height != block_height) {
|
|
return unload_wallet(_("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)"));
|
|
}
|
|
}
|
|
|
|
chain.initMessage(_("Rescanning...").translated);
|
|
walletInstance->WalletLogPrintf("Rescanning last %i blocks (from block %i)...\n", *tip_height - rescan_height, rescan_height);
|
|
|
|
// No need to read and scan block if block was created before
|
|
// our wallet birthday (as adjusted for block time variability)
|
|
// unless a full rescan was requested
|
|
if (gArgs.GetArg("-rescan", 0) != 2) {
|
|
if (walletInstance->nTimeFirstKey) {
|
|
if (Optional<int> first_block = locked_chain->findFirstBlockWithTimeAndHeight(walletInstance->nTimeFirstKey - TIMESTAMP_WINDOW, rescan_height, nullptr)) {
|
|
rescan_height = *first_block;
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
WalletRescanReserver reserver(walletInstance.get());
|
|
if (!reserver.reserve() || (ScanResult::SUCCESS != walletInstance->ScanForWalletTransactions(locked_chain->getBlockHash(rescan_height), {} /* stop block */, reserver, true /* update */).status)) {
|
|
return unload_wallet(_("Failed to rescan the wallet during initialization"));
|
|
}
|
|
}
|
|
walletInstance->ChainStateFlushed(locked_chain->getTipLocator());
|
|
walletInstance->database->IncrementUpdateCounter();
|
|
|
|
// Restore wallet transaction metadata after -zapwallettxes=1
|
|
if (gArgs.GetBoolArg("-zapwallettxes", false) && gArgs.GetArg("-zapwallettxes", "1") != "2")
|
|
{
|
|
WalletBatch batch(*walletInstance->database);
|
|
|
|
for (const CWalletTx& wtxOld : vWtx)
|
|
{
|
|
uint256 hash = wtxOld.GetHash();
|
|
std::map<uint256, CWalletTx>::iterator mi = walletInstance->mapWallet.find(hash);
|
|
if (mi != walletInstance->mapWallet.end())
|
|
{
|
|
const CWalletTx* copyFrom = &wtxOld;
|
|
CWalletTx* copyTo = &mi->second;
|
|
copyTo->mapValue = copyFrom->mapValue;
|
|
copyTo->vOrderForm = copyFrom->vOrderForm;
|
|
copyTo->nTimeReceived = copyFrom->nTimeReceived;
|
|
copyTo->nTimeSmart = copyFrom->nTimeSmart;
|
|
copyTo->fFromMe = copyFrom->fFromMe;
|
|
copyTo->nOrderPos = copyFrom->nOrderPos;
|
|
batch.WriteTx(*copyTo);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
chain.loadWallet(interfaces::MakeWallet(walletInstance));
|
|
|
|
// Register with the validation interface. It's ok to do this after rescan since we're still holding locked_chain.
|
|
walletInstance->handleNotifications();
|
|
|
|
walletInstance->SetBroadcastTransactions(gArgs.GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST));
|
|
|
|
{
|
|
walletInstance->WalletLogPrintf("setExternalKeyPool.size() = %u\n", walletInstance->KeypoolCountExternalKeys());
|
|
walletInstance->WalletLogPrintf("setInternalKeyPool.size() = %u\n", walletInstance->KeypoolCountInternalKeys());
|
|
walletInstance->WalletLogPrintf("mapWallet.size() = %u\n", walletInstance->mapWallet.size());
|
|
walletInstance->WalletLogPrintf("mapAddressBook.size() = %u\n", walletInstance->mapAddressBook.size());
|
|
walletInstance->WalletLogPrintf("nTimeFirstKey = %u\n", walletInstance->nTimeFirstKey);
|
|
}
|
|
|
|
return walletInstance;
|
|
}
|
|
|
|
void CWallet::handleNotifications()
|
|
{
|
|
m_chain_notifications_handler = m_chain->handleNotifications(*this);
|
|
}
|
|
|
|
void CWallet::postInitProcess()
|
|
{
|
|
auto locked_chain = chain().lock();
|
|
LOCK(cs_wallet);
|
|
|
|
// Add wallet transactions that aren't already in a block to mempool
|
|
// Do this here as mempool requires genesis block to be loaded
|
|
ReacceptWalletTransactions();
|
|
|
|
// Update wallet transactions with current mempool transactions.
|
|
chain().requestMempoolTransactions(*this);
|
|
}
|
|
|
|
bool CWallet::InitAutoBackup()
|
|
{
|
|
if (gArgs.GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET))
|
|
return true;
|
|
|
|
nWalletBackups = gArgs.GetArg("-createwalletbackups", 10);
|
|
nWalletBackups = std::max(0, std::min(10, nWalletBackups));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::BackupWallet(const std::string& strDest)
|
|
{
|
|
return database->Backup(strDest);
|
|
}
|
|
|
|
// This should be called carefully:
|
|
// either supply the actual wallet_path to make a raw copy of wallet.dat or "" to backup current instance via BackupWallet()
|
|
bool CWallet::AutoBackupWallet(const fs::path& wallet_path, bilingual_str& error_string, std::vector<bilingual_str>& warnings)
|
|
{
|
|
std::string strWalletName = GetName();
|
|
if (strWalletName.empty()) {
|
|
strWalletName = "wallet.dat";
|
|
}
|
|
|
|
if (nWalletBackups <= 0) {
|
|
WalletLogPrintf("Automatic wallet backups are disabled!\n");
|
|
return false;
|
|
}
|
|
|
|
fs::path backupsDir = GetBackupsDir();
|
|
backupsDir.make_preferred();
|
|
|
|
if (!fs::exists(backupsDir))
|
|
{
|
|
// Always create backup folder to not confuse the operating system's file browser
|
|
WalletLogPrintf("Creating backup folder %s\n", backupsDir.string());
|
|
if(!fs::create_directories(backupsDir)) {
|
|
// something is wrong, we shouldn't continue until it's resolved
|
|
error_string = strprintf(_("Wasn't able to create wallet backup folder %s!"), backupsDir.string());
|
|
WalletLogPrintf("%s\n", error_string.translated);
|
|
nWalletBackups = -1;
|
|
return false;
|
|
}
|
|
} else if (!fs::is_directory(backupsDir)) {
|
|
// something is wrong, we shouldn't continue until it's resolved
|
|
error_string = strprintf(_("%s is not a valid backup folder!"), backupsDir.string());
|
|
WalletLogPrintf("%s\n", error_string.translated);
|
|
nWalletBackups = -1;
|
|
return false;
|
|
}
|
|
|
|
// Create backup of the ...
|
|
struct tm ts;
|
|
time_t time_val = GetTime();
|
|
#ifdef HAVE_GMTIME_R
|
|
gmtime_r(&time_val, &ts);
|
|
#else
|
|
gmtime_s(&ts, &time_val);
|
|
#endif
|
|
std::string dateTimeStr = strprintf(".%04i-%02i-%02i-%02i-%02i",
|
|
ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday, ts.tm_hour, ts.tm_min);
|
|
|
|
if (wallet_path.empty()) {
|
|
// ... opened wallet
|
|
LOCK2(cs_main, cs_wallet);
|
|
fs::path backupFile = backupsDir / (strWalletName + dateTimeStr);
|
|
backupFile.make_preferred();
|
|
if (!BackupWallet(backupFile.string())) {
|
|
warnings.push_back(strprintf(_("Failed to create backup %s!"), backupFile.string()));
|
|
WalletLogPrintf("%s\n", Join(warnings, Untranslated("\n")).original);
|
|
nWalletBackups = -1;
|
|
return false;
|
|
}
|
|
|
|
// Update nKeysLeftSinceAutoBackup using current external keypool size
|
|
nKeysLeftSinceAutoBackup = KeypoolCountExternalKeys();
|
|
WalletLogPrintf("nKeysLeftSinceAutoBackup: %d\n", nKeysLeftSinceAutoBackup);
|
|
if (IsLocked(true)) {
|
|
warnings.push_back(_("Wallet is locked, can't replenish keypool! Automatic backups and mixing are disabled, please unlock your wallet to replenish keypool."));
|
|
WalletLogPrintf("%s\n", Join(warnings, Untranslated("\n")).original);
|
|
nWalletBackups = -2;
|
|
return false;
|
|
}
|
|
} else {
|
|
// ... strWalletName file
|
|
std::string strSourceFile;
|
|
std::shared_ptr<BerkeleyEnvironment> env = GetWalletEnv(wallet_path, strSourceFile);
|
|
fs::path sourceFile = env->Directory() / strSourceFile;
|
|
fs::path backupFile = backupsDir / (strWalletName + dateTimeStr);
|
|
sourceFile.make_preferred();
|
|
backupFile.make_preferred();
|
|
if (fs::exists(backupFile))
|
|
{
|
|
warnings.push_back(_("Failed to create backup, file already exists! This could happen if you restarted wallet in less than 60 seconds. You can continue if you are ok with this."));
|
|
WalletLogPrintf("%s\n", Join(warnings, Untranslated("\n")).original);
|
|
return false;
|
|
}
|
|
if(fs::exists(sourceFile)) {
|
|
try {
|
|
fs::copy_file(sourceFile, backupFile);
|
|
WalletLogPrintf("Creating backup of %s -> %s\n", sourceFile.string(), backupFile.string());
|
|
} catch(fs::filesystem_error &error) {
|
|
warnings.push_back(strprintf(_("Failed to create backup, error: %s"), fsbridge::get_filesystem_error_message(error)));
|
|
WalletLogPrintf("%s\n", Join(warnings, Untranslated("\n")).original);
|
|
nWalletBackups = -1;
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Keep only the last 10 backups, including the new one of course
|
|
typedef std::multimap<std::time_t, fs::path> folder_set_t;
|
|
folder_set_t folder_set;
|
|
fs::directory_iterator end_iter;
|
|
// Build map of backup files for current(!) wallet sorted by last write time
|
|
fs::path currentFile;
|
|
for (fs::directory_iterator dir_iter(backupsDir); dir_iter != end_iter; ++dir_iter)
|
|
{
|
|
// Only check regular files
|
|
if ( fs::is_regular_file(dir_iter->status()))
|
|
{
|
|
currentFile = dir_iter->path().filename();
|
|
// Only add the backups for the current wallet, e.g. wallet.dat.*
|
|
if (dir_iter->path().stem().string() == strWalletName) {
|
|
folder_set.insert(folder_set_t::value_type(fs::last_write_time(dir_iter->path()), *dir_iter));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Loop backward through backup files and keep the N newest ones (1 <= N <= 10)
|
|
int counter = 0;
|
|
for(auto it = folder_set.rbegin(); it != folder_set.rend(); ++it) {
|
|
std::pair<const std::time_t, fs::path> file = *it;
|
|
counter++;
|
|
if (counter > nWalletBackups)
|
|
{
|
|
// More than nWalletBackups backups: delete oldest one(s)
|
|
try {
|
|
fs::remove(file.second);
|
|
WalletLogPrintf("Old backup deleted: %s\n", file.second);
|
|
} catch(fs::filesystem_error &error) {
|
|
warnings.push_back(strprintf(_("Failed to delete backup, error: %s"), fsbridge::get_filesystem_error_message(error)));
|
|
WalletLogPrintf("%s\n", Join(warnings, Untranslated("\n")).original);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void CWallet::NotifyTransactionLock(const CTransactionRef &tx, const std::shared_ptr<const llmq::CInstantSendLock>& islock)
|
|
{
|
|
LOCK(cs_wallet);
|
|
// Only notify UI if this transaction is in this wallet
|
|
uint256 txHash = tx->GetHash();
|
|
std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txHash);
|
|
if (mi != mapWallet.end()){
|
|
NotifyTransactionChanged(this, txHash, CT_UPDATED);
|
|
NotifyISLockReceived();
|
|
// notify an external script
|
|
std::string strCmd = gArgs.GetArg("-instantsendnotify", "");
|
|
if (!strCmd.empty()) {
|
|
boost::replace_all(strCmd, "%s", txHash.GetHex());
|
|
std::thread t(runCommand, strCmd);
|
|
t.detach(); // thread runs free
|
|
}
|
|
}
|
|
}
|
|
|
|
void CWallet::NotifyChainLock(const CBlockIndex* pindexChainLock, const std::shared_ptr<const llmq::CChainLockSig>& clsig)
|
|
{
|
|
NotifyChainLockReceived(pindexChainLock->nHeight);
|
|
}
|
|
|
|
bool CWallet::LoadGovernanceObject(const CGovernanceObject& obj)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
return m_gobjects.emplace(obj.GetHash(), obj).second;
|
|
}
|
|
|
|
bool CWallet::WriteGovernanceObject(const CGovernanceObject& obj)
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
WalletBatch batch(*database);
|
|
return batch.WriteGovernanceObject(obj) && LoadGovernanceObject(obj);
|
|
}
|
|
|
|
std::vector<const CGovernanceObject*> CWallet::GetGovernanceObjects()
|
|
{
|
|
AssertLockHeld(cs_wallet);
|
|
std::vector<const CGovernanceObject*> vecObjects;
|
|
vecObjects.reserve(m_gobjects.size());
|
|
for (auto& obj : m_gobjects) {
|
|
vecObjects.push_back(&obj.second);
|
|
}
|
|
return vecObjects;
|
|
}
|
|
|
|
CKeyPool::CKeyPool()
|
|
{
|
|
nTime = GetTime();
|
|
fInternal = false;
|
|
}
|
|
|
|
CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn, bool fInternalIn)
|
|
{
|
|
nTime = GetTime();
|
|
vchPubKey = vchPubKeyIn;
|
|
fInternal = fInternalIn;
|
|
}
|
|
|
|
int CWalletTx::GetDepthInMainChain() const
|
|
{
|
|
assert(pwallet != nullptr);
|
|
AssertLockHeld(pwallet->cs_wallet);
|
|
if (isUnconfirmed() || isAbandoned()) return 0;
|
|
|
|
return (pwallet->GetLastBlockHeight() - m_confirm.block_height + 1) * (isConflicted() ? -1 : 1);
|
|
}
|
|
|
|
bool CWalletTx::IsLockedByInstantSend() const
|
|
{
|
|
if (fIsChainlocked) {
|
|
fIsInstantSendLocked = false;
|
|
} else if (!fIsInstantSendLocked) {
|
|
fIsInstantSendLocked = llmq::quorumInstantSendManager->IsLocked(GetHash());
|
|
}
|
|
return fIsInstantSendLocked;
|
|
}
|
|
|
|
bool CWalletTx::IsChainLocked() const
|
|
{
|
|
if (!fIsChainlocked) {
|
|
AssertLockHeld(cs_main);
|
|
CBlockIndex* pIndex = LookupBlockIndex(m_confirm.hashBlock);
|
|
if (pIndex != nullptr) {
|
|
fIsChainlocked = llmq::chainLocksHandler->HasChainLock(pIndex->nHeight, m_confirm.hashBlock);
|
|
}
|
|
}
|
|
return fIsChainlocked;
|
|
}
|
|
|
|
int CWalletTx::GetBlocksToMaturity() const
|
|
{
|
|
if (!IsCoinBase())
|
|
return 0;
|
|
int chain_depth = GetDepthInMainChain();
|
|
assert(chain_depth >= 0); // coinbase tx should not be conflicted
|
|
return std::max(0, (COINBASE_MATURITY+1) - chain_depth);
|
|
}
|
|
|
|
bool CWalletTx::IsImmatureCoinBase() const
|
|
{
|
|
// note GetBlocksToMaturity is 0 for non-coinbase tx
|
|
return GetBlocksToMaturity() > 0;
|
|
}
|
|
|
|
std::vector<OutputGroup> CWallet::GroupOutputs(const std::vector<COutput>& outputs, bool single_coin) const {
|
|
std::vector<OutputGroup> groups;
|
|
std::map<CTxDestination, OutputGroup> gmap;
|
|
CTxDestination dst;
|
|
for (const auto& output : outputs) {
|
|
if (output.fSpendable) {
|
|
CInputCoin input_coin = output.GetInputCoin();
|
|
|
|
size_t ancestors, descendants;
|
|
chain().getTransactionAncestry(output.tx->GetHash(), ancestors, descendants);
|
|
if (!single_coin && ExtractDestination(output.tx->tx->vout[output.i].scriptPubKey, dst)) {
|
|
// Limit output groups to no more than 10 entries, to protect
|
|
// against inadvertently creating a too-large transaction
|
|
// when using -avoidpartialspends
|
|
if (gmap[dst].m_outputs.size() >= OUTPUT_GROUP_MAX_ENTRIES) {
|
|
groups.push_back(gmap[dst]);
|
|
gmap.erase(dst);
|
|
}
|
|
gmap[dst].Insert(input_coin, output.nDepth, output.tx->IsFromMe(ISMINE_ALL), ancestors, descendants);
|
|
} else {
|
|
groups.emplace_back(input_coin, output.nDepth, output.tx->IsFromMe(ISMINE_ALL), ancestors, descendants);
|
|
}
|
|
}
|
|
}
|
|
if (!single_coin) {
|
|
for (const auto& it : gmap) groups.push_back(it.second);
|
|
}
|
|
return groups;
|
|
}
|
|
|
|
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::AddKeyOrigin(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;
|
|
return WriteKeyMetadata(mapKeyMetadata[pubkey.GetID()], pubkey, true);
|
|
}
|