wallet_tests.cpp raw

   1  // Copyright (c) 2012-2022 The Limenka developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  
   5  #include <wallet/wallet.h>
   6  
   7  #include <future>
   8  #include <memory>
   9  #include <stdint.h>
  10  #include <vector>
  11  
  12  #include <addresstype.h>
  13  #include <interfaces/chain.h>
  14  #include <key_io.h>
  15  #include <node/blockstorage.h>
  16  #include <policy/policy.h>
  17  #include <rpc/server.h>
  18  #include <script/solver.h>
  19  #include <test/util/logging.h>
  20  #include <test/util/random.h>
  21  #include <test/util/setup_common.h>
  22  #include <util/mempressure.h>
  23  #include <util/translation.h>
  24  #include <validation.h>
  25  #include <validationinterface.h>
  26  #include <wallet/coincontrol.h>
  27  #include <wallet/context.h>
  28  #include <wallet/receive.h>
  29  #include <wallet/spend.h>
  30  #include <wallet/test/util.h>
  31  #include <wallet/test/wallet_test_fixture.h>
  32  
  33  #include <boost/test/unit_test.hpp>
  34  #include <test/util/boost_no_print_int128.h>
  35  #include <univalue.h>
  36  
  37  using node::MAX_BLOCKFILE_SIZE;
  38  
  39  namespace wallet {
  40  RPCHelpMan importmulti();
  41  RPCHelpMan dumpwallet();
  42  RPCHelpMan importwallet();
  43  
  44  // Ensure that fee levels defined in the wallet are at least as high
  45  // as the default levels for node policy.
  46  static_assert(DEFAULT_TRANSACTION_MINFEE >= DEFAULT_MIN_RELAY_TX_FEE, "wallet minimum fee is smaller than default relay fee");
  47  static_assert(WALLET_INCREMENTAL_RELAY_FEE >= DEFAULT_INCREMENTAL_RELAY_FEE, "wallet incremental fee is smaller than default incremental relay fee");
  48  
  49  BOOST_FIXTURE_TEST_SUITE(wallet_tests, WalletTestingSetup)
  50  
  51  static CMutableTransaction TestSimpleSpend(const CTransaction& from, uint32_t index, const CKey& key, const CScript& pubkey)
  52  {
  53      CMutableTransaction mtx;
  54      mtx.vout.emplace_back(from.vout[index].nValue - DEFAULT_TRANSACTION_MAXFEE, pubkey);
  55      mtx.vin.push_back({CTxIn{from.GetHash(), index}});
  56      FillableSigningProvider keystore;
  57      keystore.AddKey(key);
  58      std::map<COutPoint, Coin> coins;
  59      coins[mtx.vin[0].prevout].out = from.vout[index];
  60      std::map<int, bilingual_str> input_errors;
  61      BOOST_CHECK(SignTransaction(mtx, &keystore, coins, SIGHASH_ALL, input_errors));
  62      return mtx;
  63  }
  64  
  65  static void AddKey(CWallet& wallet, const CKey& key)
  66  {
  67      LOCK(wallet.cs_wallet);
  68      FlatSigningProvider provider;
  69      std::string error;
  70      auto descs = Parse("combo(" + EncodeSecret(key) + ")", provider, error, /* require_checksum=*/ false);
  71      assert(descs.size() == 1);
  72      auto& desc = descs.at(0);
  73      WalletDescriptor w_desc(std::move(desc), 0, 0, 1, 1);
  74      if (!wallet.AddWalletDescriptor(w_desc, provider, "", false)) assert(false);
  75  }
  76  
  77  BOOST_FIXTURE_TEST_CASE(update_non_range_descriptor, TestingSetup)
  78  {
  79      CWallet wallet(m_node.chain.get(), "", CreateMockableWalletDatabase());
  80      {
  81          LOCK(wallet.cs_wallet);
  82          wallet.SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
  83          auto key{GenerateRandomKey()};
  84          auto desc_str{"combo(" + EncodeSecret(key) + ")"};
  85          FlatSigningProvider provider;
  86          std::string error;
  87          auto descs{Parse(desc_str, provider, error, /* require_checksum=*/ false)};
  88          auto& desc{descs.at(0)};
  89          WalletDescriptor w_desc{std::move(desc), 0, 0, 0, 0};
  90          BOOST_CHECK(wallet.AddWalletDescriptor(w_desc, provider, "", false));
  91          // Wallet should update the non-range descriptor successfully
  92          BOOST_CHECK(wallet.AddWalletDescriptor(w_desc, provider, "", false));
  93      }
  94  }
  95  
  96  BOOST_FIXTURE_TEST_CASE(scan_for_wallet_transactions, TestChain100Setup)
  97  {
  98      // Cap last block file size, and mine new block in a new block file.
  99      CBlockIndex* oldTip = WITH_LOCK(Assert(m_node.chainman)->GetMutex(), return m_node.chainman->ActiveChain().Tip());
 100      WITH_LOCK(::cs_main, m_node.chainman->m_blockman.GetBlockFileInfo(oldTip->GetBlockPos().nFile)->nSize = MAX_BLOCKFILE_SIZE);
 101      CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
 102      CBlockIndex* newTip = WITH_LOCK(Assert(m_node.chainman)->GetMutex(), return m_node.chainman->ActiveChain().Tip());
 103  
 104      // Verify ScanForWalletTransactions fails to read an unknown start block.
 105      {
 106          CWallet wallet(m_node.chain.get(), "", CreateMockableWalletDatabase());
 107          {
 108              LOCK(wallet.cs_wallet);
 109              LOCK(Assert(m_node.chainman)->GetMutex());
 110              wallet.SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
 111              wallet.SetLastBlockProcessed(m_node.chainman->ActiveChain().Height(), m_node.chainman->ActiveChain().Tip()->GetBlockHash());
 112          }
 113          AddKey(wallet, coinbaseKey);
 114          WalletRescanReserver reserver(wallet);
 115          reserver.reserve();
 116          CWallet::ScanResult result = wallet.ScanForWalletTransactions(/*start_block=*/{}, /*start_height=*/0, /*max_height=*/{}, reserver, /*fUpdate=*/false, /*save_progress=*/false);
 117          BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::FAILURE);
 118          BOOST_CHECK(result.last_failed_block.IsNull());
 119          BOOST_CHECK(result.last_scanned_block.IsNull());
 120          BOOST_CHECK(!result.last_scanned_height);
 121          BOOST_CHECK_EQUAL(GetBalance(wallet).m_mine_immature, 0);
 122      }
 123  
 124      // Verify ScanForWalletTransactions picks up transactions in both the old
 125      // and new block files.
 126      {
 127          CWallet wallet(m_node.chain.get(), "", CreateMockableWalletDatabase());
 128          {
 129              LOCK(wallet.cs_wallet);
 130              LOCK(Assert(m_node.chainman)->GetMutex());
 131              wallet.SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
 132              wallet.SetLastBlockProcessed(newTip->nHeight, newTip->GetBlockHash());
 133          }
 134          AddKey(wallet, coinbaseKey);
 135          WalletRescanReserver reserver(wallet);
 136          std::chrono::steady_clock::time_point fake_time;
 137          reserver.setNow([&] { fake_time += 60s; return fake_time; });
 138          reserver.reserve();
 139  
 140          {
 141              CBlockLocator locator;
 142              BOOST_CHECK(WalletBatch{wallet.GetDatabase()}.ReadBestBlock(locator));
 143              BOOST_CHECK(!locator.IsNull() && locator.vHave.front() == newTip->GetBlockHash());
 144          }
 145  
 146          CWallet::ScanResult result = wallet.ScanForWalletTransactions(/*start_block=*/oldTip->GetBlockHash(), /*start_height=*/oldTip->nHeight, /*max_height=*/{}, reserver, /*fUpdate=*/false, /*save_progress=*/true);
 147          BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::SUCCESS);
 148          BOOST_CHECK(result.last_failed_block.IsNull());
 149          BOOST_CHECK_EQUAL(result.last_scanned_block, newTip->GetBlockHash());
 150          BOOST_CHECK_EQUAL(*result.last_scanned_height, newTip->nHeight);
 151          BOOST_CHECK_EQUAL(GetBalance(wallet).m_mine_immature, 100 * COIN);
 152  
 153          {
 154              CBlockLocator locator;
 155              BOOST_CHECK(WalletBatch{wallet.GetDatabase()}.ReadBestBlock(locator));
 156              BOOST_CHECK(!locator.IsNull() && locator.vHave.front() == newTip->GetBlockHash());
 157          }
 158      }
 159  
 160      // Prune the older block file.
 161      int file_number;
 162      {
 163          LOCK(cs_main);
 164          file_number = oldTip->GetBlockPos().nFile;
 165          Assert(m_node.chainman)->m_blockman.PruneOneBlockFile(file_number);
 166      }
 167      m_node.chainman->m_blockman.UnlinkPrunedFiles({file_number});
 168  
 169      // Verify ScanForWalletTransactions only picks transactions in the new block
 170      // file.
 171      {
 172          CWallet wallet(m_node.chain.get(), "", CreateMockableWalletDatabase());
 173          {
 174              LOCK(wallet.cs_wallet);
 175              LOCK(Assert(m_node.chainman)->GetMutex());
 176              wallet.SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
 177              wallet.SetLastBlockProcessed(m_node.chainman->ActiveChain().Height(), m_node.chainman->ActiveChain().Tip()->GetBlockHash());
 178          }
 179          AddKey(wallet, coinbaseKey);
 180          WalletRescanReserver reserver(wallet);
 181          reserver.reserve();
 182          CWallet::ScanResult result = wallet.ScanForWalletTransactions(/*start_block=*/oldTip->GetBlockHash(), /*start_height=*/oldTip->nHeight, /*max_height=*/{}, reserver, /*fUpdate=*/false, /*save_progress=*/false);
 183          BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::FAILURE);
 184          BOOST_CHECK_EQUAL(result.last_failed_block, oldTip->GetBlockHash());
 185          BOOST_CHECK_EQUAL(result.last_scanned_block, newTip->GetBlockHash());
 186          BOOST_CHECK_EQUAL(*result.last_scanned_height, newTip->nHeight);
 187          BOOST_CHECK_EQUAL(GetBalance(wallet).m_mine_immature, 50 * COIN);
 188      }
 189  
 190      // Prune the remaining block file.
 191      {
 192          LOCK(cs_main);
 193          file_number = newTip->GetBlockPos().nFile;
 194          Assert(m_node.chainman)->m_blockman.PruneOneBlockFile(file_number);
 195      }
 196      m_node.chainman->m_blockman.UnlinkPrunedFiles({file_number});
 197  
 198      // Verify ScanForWalletTransactions scans no blocks.
 199      {
 200          CWallet wallet(m_node.chain.get(), "", CreateMockableWalletDatabase());
 201          {
 202              LOCK(wallet.cs_wallet);
 203              LOCK(Assert(m_node.chainman)->GetMutex());
 204              wallet.SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
 205              wallet.SetLastBlockProcessed(m_node.chainman->ActiveChain().Height(), m_node.chainman->ActiveChain().Tip()->GetBlockHash());
 206          }
 207          AddKey(wallet, coinbaseKey);
 208          WalletRescanReserver reserver(wallet);
 209          reserver.reserve();
 210          CWallet::ScanResult result = wallet.ScanForWalletTransactions(/*start_block=*/oldTip->GetBlockHash(), /*start_height=*/oldTip->nHeight, /*max_height=*/{}, reserver, /*fUpdate=*/false, /*save_progress=*/false);
 211          BOOST_CHECK_EQUAL(result.status, CWallet::ScanResult::FAILURE);
 212          BOOST_CHECK_EQUAL(result.last_failed_block, newTip->GetBlockHash());
 213          BOOST_CHECK(result.last_scanned_block.IsNull());
 214          BOOST_CHECK(!result.last_scanned_height);
 215          BOOST_CHECK_EQUAL(GetBalance(wallet).m_mine_immature, 0);
 216      }
 217  }
 218  
 219  BOOST_FIXTURE_TEST_CASE(importmulti_rescan, TestChain100Setup)
 220  {
 221      // Cap last block file size, and mine new block in a new block file.
 222      CBlockIndex* oldTip = WITH_LOCK(Assert(m_node.chainman)->GetMutex(), return m_node.chainman->ActiveChain().Tip());
 223      WITH_LOCK(::cs_main, m_node.chainman->m_blockman.GetBlockFileInfo(oldTip->GetBlockPos().nFile)->nSize = MAX_BLOCKFILE_SIZE);
 224      CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
 225      CBlockIndex* newTip = WITH_LOCK(Assert(m_node.chainman)->GetMutex(), return m_node.chainman->ActiveChain().Tip());
 226  
 227      // Prune the older block file.
 228      int file_number;
 229      {
 230          LOCK(cs_main);
 231          file_number = oldTip->GetBlockPos().nFile;
 232          Assert(m_node.chainman)->m_blockman.PruneOneBlockFile(file_number);
 233      }
 234      m_node.chainman->m_blockman.UnlinkPrunedFiles({file_number});
 235  
 236      // Verify importmulti RPC returns failure for a key whose creation time is
 237      // before the missing block, and success for a key whose creation time is
 238      // after.
 239      {
 240          const std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(m_node.chain.get(), "", CreateMockableWalletDatabase());
 241          wallet->SetupLegacyScriptPubKeyMan();
 242          WITH_LOCK(wallet->cs_wallet, wallet->SetLastBlockProcessed(newTip->nHeight, newTip->GetBlockHash()));
 243          WalletContext context;
 244          context.args = &m_args;
 245          AddWallet(context, wallet);
 246          UniValue keys;
 247          keys.setArray();
 248          UniValue key;
 249          key.setObject();
 250          key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(coinbaseKey.GetPubKey())));
 251          key.pushKV("timestamp", 0);
 252          key.pushKV("internal", UniValue(true));
 253          keys.push_back(key);
 254          key.clear();
 255          key.setObject();
 256          CKey futureKey = GenerateRandomKey();
 257          key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(futureKey.GetPubKey())));
 258          key.pushKV("timestamp", newTip->GetBlockTimeMax() + TIMESTAMP_WINDOW + 1);
 259          key.pushKV("internal", UniValue(true));
 260          keys.push_back(std::move(key));
 261          JSONRPCRequest request;
 262          request.context = &context;
 263          request.m_wallet_restriction = "";
 264          request.params.setArray();
 265          request.params.push_back(std::move(keys));
 266  
 267          UniValue response = importmulti().HandleRequest(request);
 268          BOOST_CHECK_EQUAL(response.write(),
 269              strprintf("[{\"success\":false,\"error\":{\"code\":-1,\"message\":\"Rescan failed for key with creation "
 270                        "timestamp %d. There was an error reading a block from time %d, which is after or within %d "
 271                        "seconds of key creation, and could contain transactions pertaining to the key. As a result, "
 272                        "transactions and coins using this key may not appear in the wallet. This error could be caused "
 273                        "by pruning or data corruption (see limenkad log for details) and could be dealt with by "
 274                        "downloading and rescanning the relevant blocks (see -reindex option and rescanblockchain "
 275                        "RPC).\"}},{\"success\":true}]",
 276                                0, oldTip->GetBlockTimeMax(), TIMESTAMP_WINDOW));
 277          RemoveWallet(context, wallet, /* load_on_start= */ std::nullopt);
 278      }
 279  }
 280  
 281  // Verify importwallet RPC starts rescan at earliest block with timestamp
 282  // greater or equal than key birthday. Previously there was a bug where
 283  // importwallet RPC would start the scan at the latest block with timestamp less
 284  // than or equal to key birthday.
 285  BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup)
 286  {
 287      // Create two blocks with same timestamp to verify that importwallet rescan
 288      // will pick up both blocks, not just the first.
 289      const int64_t BLOCK_TIME = WITH_LOCK(Assert(m_node.chainman)->GetMutex(), return m_node.chainman->ActiveChain().Tip()->GetBlockTimeMax() + 5);
 290      SetMockTime(BLOCK_TIME);
 291      m_coinbase_txns.emplace_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
 292      m_coinbase_txns.emplace_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
 293  
 294      // Set key birthday to block time increased by the timestamp window, so
 295      // rescan will start at the block time.
 296      const int64_t KEY_TIME = BLOCK_TIME + TIMESTAMP_WINDOW;
 297      SetMockTime(KEY_TIME);
 298      m_coinbase_txns.emplace_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
 299  
 300      std::string backup_file = fs::PathToString(m_args.GetDataDirNet() / "wallet.backup");
 301  
 302      // Import key into wallet and call dumpwallet to create backup file.
 303      {
 304          WalletContext context;
 305          context.args = &m_args;
 306          const std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(m_node.chain.get(), "", CreateMockableWalletDatabase());
 307          {
 308              auto spk_man = wallet->GetOrCreateLegacyScriptPubKeyMan();
 309              LOCK2(wallet->cs_wallet, spk_man->cs_KeyStore);
 310              spk_man->mapKeyMetadata[coinbaseKey.GetPubKey().GetID()].nCreateTime = KEY_TIME;
 311              spk_man->AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
 312  
 313              AddWallet(context, wallet);
 314              LOCK(Assert(m_node.chainman)->GetMutex());
 315              wallet->SetLastBlockProcessed(m_node.chainman->ActiveChain().Height(), m_node.chainman->ActiveChain().Tip()->GetBlockHash());
 316          }
 317          JSONRPCRequest request;
 318          request.context = &context;
 319          request.m_wallet_restriction = "";
 320          request.params.setArray();
 321          request.params.push_back(backup_file);
 322  
 323          wallet::dumpwallet().HandleRequest(request);
 324          RemoveWallet(context, wallet, /* load_on_start= */ std::nullopt);
 325      }
 326  
 327      // Call importwallet RPC and verify all blocks with timestamps >= BLOCK_TIME
 328      // were scanned, and no prior blocks were scanned.
 329      {
 330          const std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(m_node.chain.get(), "", CreateMockableWalletDatabase());
 331          LOCK(wallet->cs_wallet);
 332          wallet->SetupLegacyScriptPubKeyMan();
 333  
 334          WalletContext context;
 335          context.args = &m_args;
 336          JSONRPCRequest request;
 337          request.context = &context;
 338          request.m_wallet_restriction = "";
 339          request.params.setArray();
 340          request.params.push_back(backup_file);
 341          AddWallet(context, wallet);
 342          LOCK(Assert(m_node.chainman)->GetMutex());
 343          wallet->SetLastBlockProcessed(m_node.chainman->ActiveChain().Height(), m_node.chainman->ActiveChain().Tip()->GetBlockHash());
 344          wallet::importwallet().HandleRequest(request);
 345          RemoveWallet(context, wallet, /* load_on_start= */ std::nullopt);
 346  
 347          BOOST_CHECK_EQUAL(wallet->mapWallet.size(), 3U);
 348          BOOST_CHECK_EQUAL(m_coinbase_txns.size(), 103U);
 349          for (size_t i = 0; i < m_coinbase_txns.size(); ++i) {
 350              bool found = wallet->GetWalletTx(m_coinbase_txns[i]->GetHash());
 351              bool expected = i >= 100;
 352              BOOST_CHECK_EQUAL(found, expected);
 353          }
 354      }
 355  }
 356  
 357  // This test verifies that wallet settings can be added and removed
 358  // concurrently, ensuring no race conditions occur during either process.
 359  BOOST_FIXTURE_TEST_CASE(write_wallet_settings_concurrently, TestingSetup)
 360  {
 361      auto chain = m_node.chain.get();
 362      const auto NUM_WALLETS{5};
 363  
 364      // Since we're counting the number of wallets, ensure we start without any.
 365      BOOST_REQUIRE(chain->getRwSetting("wallet").isNull());
 366  
 367      const auto& check_concurrent_wallet = [&](const auto& settings_function, int num_expected_wallets) {
 368          std::vector<std::thread> threads;
 369          threads.reserve(NUM_WALLETS);
 370          for (auto i{0}; i < NUM_WALLETS; ++i) threads.emplace_back(settings_function, i);
 371          for (auto& t : threads) t.join();
 372  
 373          auto wallets = chain->getRwSetting("wallet");
 374          BOOST_CHECK_EQUAL(wallets.getValues().size(), num_expected_wallets);
 375      };
 376  
 377      // Add NUM_WALLETS wallets concurrently, ensure we end up with NUM_WALLETS stored.
 378      check_concurrent_wallet([&chain](int i) {
 379          Assert(AddWalletSetting(*chain, strprintf("wallet_%d", i)));
 380      },
 381                              /*num_expected_wallets=*/NUM_WALLETS);
 382  
 383      // Remove NUM_WALLETS wallets concurrently, ensure we end up with 0 wallets.
 384      check_concurrent_wallet([&chain](int i) {
 385          Assert(RemoveWalletSetting(*chain, strprintf("wallet_%d", i)));
 386      },
 387                              /*num_expected_wallets=*/0);
 388  }
 389  
 390  // Check that GetImmatureCredit() returns a newly calculated value instead of
 391  // the cached value after a MarkDirty() call.
 392  //
 393  // This is a regression test written to verify a bugfix for the immature credit
 394  // function. Similar tests probably should be written for the other credit and
 395  // debit functions.
 396  BOOST_FIXTURE_TEST_CASE(coin_mark_dirty_immature_credit, TestChain100Setup)
 397  {
 398      CWallet wallet(m_node.chain.get(), "", CreateMockableWalletDatabase());
 399  
 400      LOCK(wallet.cs_wallet);
 401      LOCK(Assert(m_node.chainman)->GetMutex());
 402      CWalletTx wtx{m_coinbase_txns.back(), TxStateConfirmed{m_node.chainman->ActiveChain().Tip()->GetBlockHash(), m_node.chainman->ActiveChain().Height(), /*index=*/0}};
 403      wallet.SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
 404      wallet.SetupDescriptorScriptPubKeyMans();
 405  
 406      wallet.SetLastBlockProcessed(m_node.chainman->ActiveChain().Height(), m_node.chainman->ActiveChain().Tip()->GetBlockHash());
 407  
 408      // Call GetImmatureCredit() once before adding the key to the wallet to
 409      // cache the current immature credit amount, which is 0.
 410      BOOST_CHECK_EQUAL(CachedTxGetImmatureCredit(wallet, wtx, ISMINE_SPENDABLE), 0);
 411  
 412      // Invalidate the cached value, add the key, and make sure a new immature
 413      // credit amount is calculated.
 414      wtx.MarkDirty();
 415      AddKey(wallet, coinbaseKey);
 416      BOOST_CHECK_EQUAL(CachedTxGetImmatureCredit(wallet, wtx, ISMINE_SPENDABLE), 50*COIN);
 417  }
 418  
 419  static int64_t AddTx(ChainstateManager& chainman, CWallet& wallet, uint32_t lockTime, int64_t mockTime, int64_t blockTime)
 420  {
 421      CMutableTransaction tx;
 422      TxState state = TxStateInactive{};
 423      tx.nLockTime = lockTime;
 424      SetMockTime(mockTime);
 425      CBlockIndex* block = nullptr;
 426      if (blockTime > 0) {
 427          LOCK(cs_main);
 428          auto inserted = chainman.BlockIndex().emplace(std::piecewise_construct, std::make_tuple(GetRandHash()), std::make_tuple());
 429          assert(inserted.second);
 430          const uint256& hash = inserted.first->first;
 431          block = &inserted.first->second;
 432          block->nTime = blockTime;
 433          block->phashBlock = &hash;
 434          state = TxStateConfirmed{hash, block->nHeight, /*index=*/0};
 435      }
 436      return wallet.AddToWallet(MakeTransactionRef(tx), state, [&](CWalletTx& wtx, bool /* new_tx */) {
 437          // Assign wtx.m_state to simplify test and avoid the need to simulate
 438          // reorg events. Without this, AddToWallet asserts false when the same
 439          // transaction is confirmed in different blocks.
 440          wtx.m_state = state;
 441          return true;
 442      })->nTimeSmart;
 443  }
 444  
 445  // Simple test to verify assignment of CWalletTx::nSmartTime value. Could be
 446  // expanded to cover more corner cases of smart time logic.
 447  BOOST_AUTO_TEST_CASE(ComputeTimeSmart)
 448  {
 449      // New transaction should use clock time if lower than block time.
 450      BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 1, 100, 120), 100);
 451  
 452      // Test that updating existing transaction does not change smart time.
 453      BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 1, 200, 220), 100);
 454  
 455      // New transaction should use clock time if there's no block time.
 456      BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 2, 300, 0), 300);
 457  
 458      // New transaction should use block time if lower than clock time.
 459      BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 3, 420, 400), 400);
 460  
 461      // New transaction should use latest entry time if higher than
 462      // min(block time, clock time).
 463      BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 4, 500, 390), 400);
 464  
 465      // If there are future entries, new transaction should use time of the
 466      // newest entry that is no more than 300 seconds ahead of the clock time.
 467      BOOST_CHECK_EQUAL(AddTx(*m_node.chainman, m_wallet, 5, 50, 600), 300);
 468  }
 469  
 470  void TestLoadWallet(const std::string& name, DatabaseFormat format, std::function<void(std::shared_ptr<CWallet>)> f)
 471  {
 472      node::NodeContext node;
 473      auto chain{interfaces::MakeChain(node)};
 474      DatabaseOptions options;
 475      options.require_format = format;
 476      DatabaseStatus status;
 477      bilingual_str error;
 478      std::vector<bilingual_str> warnings;
 479      auto database{MakeWalletDatabase(name, options, status, error)};
 480      auto wallet{std::make_shared<CWallet>(chain.get(), "", std::move(database))};
 481      BOOST_CHECK_EQUAL(wallet->LoadWallet(), DBErrors::LOAD_OK);
 482      WITH_LOCK(wallet->cs_wallet, f(wallet));
 483  }
 484  
 485  BOOST_FIXTURE_TEST_CASE(LoadReceiveRequests, TestingSetup)
 486  {
 487      for (DatabaseFormat format : DATABASE_FORMATS) {
 488          const std::string name{strprintf("receive-requests-%i", format)};
 489          TestLoadWallet(name, format, [](std::shared_ptr<CWallet> wallet) EXCLUSIVE_LOCKS_REQUIRED(wallet->cs_wallet) {
 490              BOOST_CHECK(!wallet->IsAddressPreviouslySpent(PKHash()));
 491              WalletBatch batch{wallet->GetDatabase()};
 492              BOOST_CHECK(batch.WriteAddressPreviouslySpent(PKHash(), true));
 493              BOOST_CHECK(batch.WriteAddressPreviouslySpent(ScriptHash(), true));
 494              BOOST_CHECK(wallet->SetAddressReceiveRequest(batch, PKHash(), "0", "val_rr00"));
 495              BOOST_CHECK(wallet->EraseAddressReceiveRequest(batch, PKHash(), "0"));
 496              BOOST_CHECK(wallet->SetAddressReceiveRequest(batch, PKHash(), "1", "val_rr10"));
 497              BOOST_CHECK(wallet->SetAddressReceiveRequest(batch, PKHash(), "1", "val_rr11"));
 498              BOOST_CHECK(wallet->SetAddressReceiveRequest(batch, ScriptHash(), "2", "val_rr20"));
 499          });
 500          TestLoadWallet(name, format, [](std::shared_ptr<CWallet> wallet) EXCLUSIVE_LOCKS_REQUIRED(wallet->cs_wallet) {
 501              BOOST_CHECK(wallet->IsAddressPreviouslySpent(PKHash()));
 502              BOOST_CHECK(wallet->IsAddressPreviouslySpent(ScriptHash()));
 503              auto requests = wallet->GetAddressReceiveRequests();
 504              auto erequests = {"val_rr11", "val_rr20"};
 505              BOOST_CHECK_EQUAL_COLLECTIONS(requests.begin(), requests.end(), std::begin(erequests), std::end(erequests));
 506              RunWithinTxn(wallet->GetDatabase(), /*process_desc*/"test", [](WalletBatch& batch){
 507                  BOOST_CHECK(batch.WriteAddressPreviouslySpent(PKHash(), false));
 508                  BOOST_CHECK(batch.EraseAddressData(ScriptHash()));
 509                  return true;
 510              });
 511          });
 512          TestLoadWallet(name, format, [](std::shared_ptr<CWallet> wallet) EXCLUSIVE_LOCKS_REQUIRED(wallet->cs_wallet) {
 513              BOOST_CHECK(!wallet->IsAddressPreviouslySpent(PKHash()));
 514              BOOST_CHECK(!wallet->IsAddressPreviouslySpent(ScriptHash()));
 515              auto requests = wallet->GetAddressReceiveRequests();
 516              auto erequests = {"val_rr11"};
 517              BOOST_CHECK_EQUAL_COLLECTIONS(requests.begin(), requests.end(), std::begin(erequests), std::end(erequests));
 518          });
 519      }
 520  }
 521  
 522  // Test some watch-only LegacyScriptPubKeyMan methods by the procedure of loading (LoadWatchOnly),
 523  // checking (HaveWatchOnly), getting (GetWatchPubKey) and removing (RemoveWatchOnly) a
 524  // given PubKey, resp. its corresponding P2PK Script. Results of the impact on
 525  // the address -> PubKey map is dependent on whether the PubKey is a point on the curve
 526  static void TestWatchOnlyPubKey(LegacyScriptPubKeyMan* spk_man, const CPubKey& add_pubkey)
 527  {
 528      CScript p2pk = GetScriptForRawPubKey(add_pubkey);
 529      CKeyID add_address = add_pubkey.GetID();
 530      CPubKey found_pubkey;
 531      LOCK(spk_man->cs_KeyStore);
 532  
 533      // all Scripts (i.e. also all PubKeys) are added to the general watch-only set
 534      BOOST_CHECK(!spk_man->HaveWatchOnly(p2pk));
 535      spk_man->LoadWatchOnly(p2pk);
 536      BOOST_CHECK(spk_man->HaveWatchOnly(p2pk));
 537  
 538      // only PubKeys on the curve shall be added to the watch-only address -> PubKey map
 539      bool is_pubkey_fully_valid = add_pubkey.IsFullyValid();
 540      if (is_pubkey_fully_valid) {
 541          BOOST_CHECK(spk_man->GetWatchPubKey(add_address, found_pubkey));
 542          BOOST_CHECK(found_pubkey == add_pubkey);
 543      } else {
 544          BOOST_CHECK(!spk_man->GetWatchPubKey(add_address, found_pubkey));
 545          BOOST_CHECK(found_pubkey == CPubKey()); // passed key is unchanged
 546      }
 547  
 548      spk_man->RemoveWatchOnly(p2pk);
 549      BOOST_CHECK(!spk_man->HaveWatchOnly(p2pk));
 550  
 551      if (is_pubkey_fully_valid) {
 552          BOOST_CHECK(!spk_man->GetWatchPubKey(add_address, found_pubkey));
 553          BOOST_CHECK(found_pubkey == add_pubkey); // passed key is unchanged
 554      }
 555  }
 556  
 557  // Cryptographically invalidate a PubKey whilst keeping length and first byte
 558  static void PollutePubKey(CPubKey& pubkey)
 559  {
 560      assert(pubkey.size() >= 1);
 561      std::vector<unsigned char> pubkey_raw;
 562      pubkey_raw.push_back(pubkey[0]);
 563      pubkey_raw.insert(pubkey_raw.end(), pubkey.size() - 1, 0);
 564      pubkey = CPubKey(pubkey_raw);
 565      assert(!pubkey.IsFullyValid());
 566      assert(pubkey.IsValid());
 567  }
 568  
 569  // Test watch-only logic for PubKeys
 570  BOOST_AUTO_TEST_CASE(WatchOnlyPubKeys)
 571  {
 572      CKey key;
 573      CPubKey pubkey;
 574      LegacyScriptPubKeyMan* spk_man = m_wallet.GetOrCreateLegacyScriptPubKeyMan();
 575  
 576      BOOST_CHECK(!spk_man->HaveWatchOnly());
 577  
 578      // uncompressed valid PubKey
 579      key.MakeNewKey(false);
 580      pubkey = key.GetPubKey();
 581      assert(!pubkey.IsCompressed());
 582      TestWatchOnlyPubKey(spk_man, pubkey);
 583  
 584      // uncompressed cryptographically invalid PubKey
 585      PollutePubKey(pubkey);
 586      TestWatchOnlyPubKey(spk_man, pubkey);
 587  
 588      // compressed valid PubKey
 589      key.MakeNewKey(true);
 590      pubkey = key.GetPubKey();
 591      assert(pubkey.IsCompressed());
 592      TestWatchOnlyPubKey(spk_man, pubkey);
 593  
 594      // compressed cryptographically invalid PubKey
 595      PollutePubKey(pubkey);
 596      TestWatchOnlyPubKey(spk_man, pubkey);
 597  
 598      // invalid empty PubKey
 599      pubkey = CPubKey();
 600      TestWatchOnlyPubKey(spk_man, pubkey);
 601  }
 602  
 603  class ListCoinsTestingSetup : public TestChain100Setup
 604  {
 605  public:
 606      ListCoinsTestingSetup()
 607      {
 608          CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
 609          wallet = CreateSyncedWallet(*m_node.chain, WITH_LOCK(Assert(m_node.chainman)->GetMutex(), return m_node.chainman->ActiveChain()), coinbaseKey);
 610      }
 611  
 612      ~ListCoinsTestingSetup()
 613      {
 614          wallet.reset();
 615      }
 616  
 617      CWalletTx& AddTx(CRecipient recipient)
 618      {
 619          CTransactionRef tx;
 620          CCoinControl dummy;
 621          {
 622              auto res = CreateTransaction(*wallet, {recipient}, /*change_pos=*/std::nullopt, dummy);
 623              BOOST_CHECK(res);
 624              tx = res->tx;
 625          }
 626          wallet->CommitTransaction(tx, {}, {});
 627          CMutableTransaction blocktx;
 628          {
 629              LOCK(wallet->cs_wallet);
 630              blocktx = CMutableTransaction(*wallet->mapWallet.at(tx->GetHash()).tx);
 631          }
 632          CreateAndProcessBlock({CMutableTransaction(blocktx)}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
 633  
 634          LOCK(wallet->cs_wallet);
 635          LOCK(Assert(m_node.chainman)->GetMutex());
 636          wallet->SetLastBlockProcessed(wallet->GetLastBlockHeight() + 1, m_node.chainman->ActiveChain().Tip()->GetBlockHash());
 637          auto it = wallet->mapWallet.find(tx->GetHash());
 638          BOOST_CHECK(it != wallet->mapWallet.end());
 639          it->second.m_state = TxStateConfirmed{m_node.chainman->ActiveChain().Tip()->GetBlockHash(), m_node.chainman->ActiveChain().Height(), /*index=*/1};
 640          return it->second;
 641      }
 642  
 643      std::unique_ptr<CWallet> wallet;
 644  };
 645  
 646  BOOST_FIXTURE_TEST_CASE(ListCoinsTest, ListCoinsTestingSetup)
 647  {
 648      std::string coinbaseAddress = coinbaseKey.GetPubKey().GetID().ToString();
 649  
 650      // Confirm ListCoins initially returns 1 coin grouped under coinbaseKey
 651      // address.
 652      std::map<CTxDestination, std::vector<COutput>> list;
 653      {
 654          LOCK(wallet->cs_wallet);
 655          list = ListCoins(*wallet);
 656      }
 657      BOOST_CHECK_EQUAL(list.size(), 1U);
 658      BOOST_CHECK_EQUAL(std::get<PKHash>(list.begin()->first).ToString(), coinbaseAddress);
 659      BOOST_CHECK_EQUAL(list.begin()->second.size(), 1U);
 660  
 661      // Check initial balance from one mature coinbase transaction.
 662      BOOST_CHECK_EQUAL(50 * COIN, WITH_LOCK(wallet->cs_wallet, return AvailableCoins(*wallet).GetTotalAmount()));
 663  
 664      // Add a transaction creating a change address, and confirm ListCoins still
 665      // returns the coin associated with the change address underneath the
 666      // coinbaseKey pubkey, even though the change address has a different
 667      // pubkey.
 668      AddTx(CRecipient{PubKeyDestination{{}}, 1 * COIN, /*subtract_fee=*/false});
 669      {
 670          LOCK(wallet->cs_wallet);
 671          list = ListCoins(*wallet);
 672      }
 673      BOOST_CHECK_EQUAL(list.size(), 1U);
 674      BOOST_CHECK_EQUAL(std::get<PKHash>(list.begin()->first).ToString(), coinbaseAddress);
 675      BOOST_CHECK_EQUAL(list.begin()->second.size(), 2U);
 676  
 677      // Lock both coins. Confirm number of available coins drops to 0.
 678      {
 679          LOCK(wallet->cs_wallet);
 680          BOOST_CHECK_EQUAL(AvailableCoinsListUnspent(*wallet).Size(), 2U);
 681      }
 682      for (const auto& group : list) {
 683          for (const auto& coin : group.second) {
 684              LOCK(wallet->cs_wallet);
 685              wallet->LockCoin(coin.outpoint);
 686          }
 687      }
 688      {
 689          LOCK(wallet->cs_wallet);
 690          BOOST_CHECK_EQUAL(AvailableCoinsListUnspent(*wallet).Size(), 0U);
 691      }
 692      // Confirm ListCoins still returns same result as before, despite coins
 693      // being locked.
 694      {
 695          LOCK(wallet->cs_wallet);
 696          list = ListCoins(*wallet);
 697      }
 698      BOOST_CHECK_EQUAL(list.size(), 1U);
 699      BOOST_CHECK_EQUAL(std::get<PKHash>(list.begin()->first).ToString(), coinbaseAddress);
 700      BOOST_CHECK_EQUAL(list.begin()->second.size(), 2U);
 701  }
 702  
 703  void TestCoinsResult(ListCoinsTest& context, OutputType out_type, CAmount amount,
 704                       std::map<OutputType, size_t>& expected_coins_sizes)
 705  {
 706      LOCK(context.wallet->cs_wallet);
 707      util::Result<CTxDestination> dest = Assert(context.wallet->GetNewDestination(out_type, ""));
 708      CWalletTx& wtx = context.AddTx(CRecipient{*dest, amount, /*fSubtractFeeFromAmount=*/true});
 709      CoinFilterParams filter;
 710      filter.skip_locked = false;
 711      CoinsResult available_coins = AvailableCoins(*context.wallet, nullptr, std::nullopt, filter);
 712      // Lock outputs so they are not spent in follow-up transactions
 713      for (uint32_t i = 0; i < wtx.tx->vout.size(); i++) context.wallet->LockCoin({wtx.GetHash(), i});
 714      for (const auto& [type, size] : expected_coins_sizes) BOOST_CHECK_EQUAL(size, available_coins.coins[type].size());
 715  }
 716  
 717  BOOST_FIXTURE_TEST_CASE(BasicOutputTypesTest, ListCoinsTest)
 718  {
 719      std::map<OutputType, size_t> expected_coins_sizes;
 720      for (const auto& out_type : OUTPUT_TYPES) { expected_coins_sizes[out_type] = 0U; }
 721  
 722      // Verify our wallet has one usable coinbase UTXO before starting
 723      // This UTXO is a P2PK, so it should show up in the Other bucket
 724      expected_coins_sizes[OutputType::UNKNOWN] = 1U;
 725      CoinsResult available_coins = WITH_LOCK(wallet->cs_wallet, return AvailableCoins(*wallet));
 726      BOOST_CHECK_EQUAL(available_coins.Size(), expected_coins_sizes[OutputType::UNKNOWN]);
 727      BOOST_CHECK_EQUAL(available_coins.coins[OutputType::UNKNOWN].size(), expected_coins_sizes[OutputType::UNKNOWN]);
 728  
 729      // We will create a self transfer for each of the OutputTypes and
 730      // verify it is put in the correct bucket after running GetAvailablecoins
 731      //
 732      // For each OutputType, We expect 2 UTXOs in our wallet following the self transfer:
 733      //   1. One UTXO as the recipient
 734      //   2. One UTXO from the change, due to payment address matching logic
 735  
 736      for (const auto& out_type : OUTPUT_TYPES) {
 737          if (out_type == OutputType::UNKNOWN) continue;
 738          expected_coins_sizes[out_type] = 2U;
 739          TestCoinsResult(*this, out_type, 1 * COIN, expected_coins_sizes);
 740      }
 741  }
 742  
 743  BOOST_FIXTURE_TEST_CASE(wallet_disableprivkeys, TestChain100Setup)
 744  {
 745      {
 746          const std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(m_node.chain.get(), "", CreateMockableWalletDatabase());
 747          wallet->SetupLegacyScriptPubKeyMan();
 748          wallet->SetMinVersion(FEATURE_LATEST);
 749          wallet->SetWalletFlag(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
 750          BOOST_CHECK(!wallet->TopUpKeyPool(1000));
 751          BOOST_CHECK(!wallet->GetNewDestination(OutputType::BECH32, ""));
 752      }
 753      {
 754          const std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(m_node.chain.get(), "", CreateMockableWalletDatabase());
 755          LOCK(wallet->cs_wallet);
 756          wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
 757          wallet->SetMinVersion(FEATURE_LATEST);
 758          wallet->SetWalletFlag(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
 759          BOOST_CHECK(!wallet->GetNewDestination(OutputType::BECH32, ""));
 760      }
 761  }
 762  
 763  // Explicit calculation which is used to test the wallet constant
 764  // We get the same virtual size due to rounding(weight/4) for both use_max_sig values
 765  static size_t CalculateNestedKeyhashInputSize(bool use_max_sig)
 766  {
 767      // Generate ephemeral valid pubkey
 768      CKey key = GenerateRandomKey();
 769      CPubKey pubkey = key.GetPubKey();
 770  
 771      // Generate pubkey hash
 772      uint160 key_hash(Hash160(pubkey));
 773  
 774      // Create inner-script to enter into keystore. Key hash can't be 0...
 775      CScript inner_script = CScript() << OP_0 << std::vector<unsigned char>(key_hash.begin(), key_hash.end());
 776  
 777      // Create outer P2SH script for the output
 778      uint160 script_id(Hash160(inner_script));
 779      CScript script_pubkey = CScript() << OP_HASH160 << std::vector<unsigned char>(script_id.begin(), script_id.end()) << OP_EQUAL;
 780  
 781      // Add inner-script to key store and key to watchonly
 782      FillableSigningProvider keystore;
 783      keystore.AddCScript(inner_script);
 784      keystore.AddKeyPubKey(key, pubkey);
 785  
 786      // Fill in dummy signatures for fee calculation.
 787      SignatureData sig_data;
 788  
 789      if (!ProduceSignature(keystore, use_max_sig ? DUMMY_MAXIMUM_SIGNATURE_CREATOR : DUMMY_SIGNATURE_CREATOR, script_pubkey, sig_data)) {
 790          // We're hand-feeding it correct arguments; shouldn't happen
 791          assert(false);
 792      }
 793  
 794      CTxIn tx_in;
 795      UpdateInput(tx_in, sig_data);
 796      return (size_t)GetVirtualTransactionInputSize(tx_in);
 797  }
 798  
 799  BOOST_FIXTURE_TEST_CASE(dummy_input_size_test, TestChain100Setup)
 800  {
 801      BOOST_CHECK_EQUAL(CalculateNestedKeyhashInputSize(false), DUMMY_NESTED_P2WPKH_INPUT_SIZE);
 802      BOOST_CHECK_EQUAL(CalculateNestedKeyhashInputSize(true), DUMMY_NESTED_P2WPKH_INPUT_SIZE);
 803  }
 804  
 805  bool malformed_descriptor(std::ios_base::failure e)
 806  {
 807      std::string s(e.what());
 808      return s.find("Missing checksum") != std::string::npos;
 809  }
 810  
 811  BOOST_FIXTURE_TEST_CASE(wallet_descriptor_test, BasicTestingSetup)
 812  {
 813      std::vector<unsigned char> malformed_record;
 814      VectorWriter vw{malformed_record, 0};
 815      vw << std::string("notadescriptor");
 816      vw << uint64_t{0};
 817      vw << int32_t{0};
 818      vw << int32_t{0};
 819      vw << int32_t{1};
 820  
 821      SpanReader vr{malformed_record};
 822      WalletDescriptor w_desc;
 823      BOOST_CHECK_EXCEPTION(vr >> w_desc, std::ios_base::failure, malformed_descriptor);
 824  }
 825  
 826  //! Test CWallet::Create() and its behavior handling potential race
 827  //! conditions if it's called the same time an incoming transaction shows up in
 828  //! the mempool or a new block.
 829  //!
 830  //! It isn't possible to verify there aren't race condition in every case, so
 831  //! this test just checks two specific cases and ensures that timing of
 832  //! notifications in these cases doesn't prevent the wallet from detecting
 833  //! transactions.
 834  //!
 835  //! In the first case, block and mempool transactions are created before the
 836  //! wallet is loaded, but notifications about these transactions are delayed
 837  //! until after it is loaded. The notifications are superfluous in this case, so
 838  //! the test verifies the transactions are detected before they arrive.
 839  //!
 840  //! In the second case, block and mempool transactions are created after the
 841  //! wallet rescan and notifications are immediately synced, to verify the wallet
 842  //! must already have a handler in place for them, and there's no gap after
 843  //! rescanning where new transactions in new blocks could be lost.
 844  BOOST_FIXTURE_TEST_CASE(CreateWallet, TestChain100Setup)
 845  {
 846      // FIXME: this test fails for some reason if there's a flush
 847      g_low_memory_threshold = 0;
 848  
 849      m_args.ForceSetArg("-unsafesqlitesync", "1");
 850      // Create new wallet with known key and unload it.
 851      WalletContext context;
 852      context.args = &m_args;
 853      context.chain = m_node.chain.get();
 854      auto wallet = TestLoadWallet(context);
 855      CKey key = GenerateRandomKey();
 856      AddKey(*wallet, key);
 857      TestUnloadWallet(std::move(wallet));
 858  
 859  
 860      // Add log hook to detect AddToWallet events from rescans, blockConnected,
 861      // and transactionAddedToMempool notifications
 862      int addtx_count = 0;
 863      DebugLogHelper addtx_counter("[default wallet] AddToWallet", [&](const std::string* s) {
 864          if (s) ++addtx_count;
 865          return false;
 866      });
 867  
 868  
 869      bool rescan_completed = false;
 870      DebugLogHelper rescan_check("[default wallet] Rescan completed", [&](const std::string* s) {
 871          if (s) rescan_completed = true;
 872          return false;
 873      });
 874  
 875  
 876      // Block the queue to prevent the wallet receiving blockConnected and
 877      // transactionAddedToMempool notifications, and create block and mempool
 878      // transactions paying to the wallet
 879      std::promise<void> promise;
 880      m_node.validation_signals->CallFunctionInValidationInterfaceQueue([&promise] {
 881          promise.get_future().wait();
 882      });
 883      std::string error;
 884      m_coinbase_txns.push_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
 885      auto block_tx = TestSimpleSpend(*m_coinbase_txns[0], 0, coinbaseKey, GetScriptForRawPubKey(key.GetPubKey()));
 886      m_coinbase_txns.push_back(CreateAndProcessBlock({block_tx}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
 887      auto mempool_tx = TestSimpleSpend(*m_coinbase_txns[1], 0, coinbaseKey, GetScriptForDestination(PKHash(key.GetPubKey())));
 888      BOOST_CHECK(m_node.chain->broadcastTransaction(MakeTransactionRef(mempool_tx), DEFAULT_TRANSACTION_MAXFEE, false, error));
 889  
 890  
 891      // Reload wallet and make sure new transactions are detected despite events
 892      // being blocked
 893      // Loading will also ask for current mempool transactions
 894      wallet = TestLoadWallet(context);
 895      BOOST_CHECK(rescan_completed);
 896      // AddToWallet events for block_tx and mempool_tx (x2)
 897      BOOST_CHECK_EQUAL(addtx_count, 3);
 898      {
 899          LOCK(wallet->cs_wallet);
 900          BOOST_CHECK_EQUAL(wallet->mapWallet.count(block_tx.GetHash()), 1U);
 901          BOOST_CHECK_EQUAL(wallet->mapWallet.count(mempool_tx.GetHash()), 1U);
 902      }
 903  
 904  
 905      // Unblock notification queue and make sure stale blockConnected and
 906      // transactionAddedToMempool events are processed
 907      promise.set_value();
 908      m_node.validation_signals->SyncWithValidationInterfaceQueue();
 909      // AddToWallet events for block_tx and mempool_tx events are counted a
 910      // second time as the notification queue is processed
 911      BOOST_CHECK_EQUAL(addtx_count, 5);
 912  
 913  
 914      TestUnloadWallet(std::move(wallet));
 915  
 916  
 917      // Load wallet again, this time creating new block and mempool transactions
 918      // paying to the wallet as the wallet finishes loading and syncing the
 919      // queue so the events have to be handled immediately. Releasing the wallet
 920      // lock during the sync is a little artificial but is needed to avoid a
 921      // deadlock during the sync and simulates a new block notification happening
 922      // as soon as possible.
 923      addtx_count = 0;
 924      auto handler = HandleLoadWallet(context, [&](std::unique_ptr<interfaces::Wallet> wallet) {
 925              BOOST_CHECK(rescan_completed);
 926              m_coinbase_txns.push_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
 927              block_tx = TestSimpleSpend(*m_coinbase_txns[2], 0, coinbaseKey, GetScriptForRawPubKey(key.GetPubKey()));
 928              m_coinbase_txns.push_back(CreateAndProcessBlock({block_tx}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
 929              mempool_tx = TestSimpleSpend(*m_coinbase_txns[3], 0, coinbaseKey, GetScriptForDestination(PKHash(key.GetPubKey())));
 930              BOOST_CHECK(m_node.chain->broadcastTransaction(MakeTransactionRef(mempool_tx), DEFAULT_TRANSACTION_MAXFEE, false, error));
 931              m_node.validation_signals->SyncWithValidationInterfaceQueue();
 932          });
 933      wallet = TestLoadWallet(context);
 934      // Since mempool transactions are requested at the end of loading, there will
 935      // be 2 additional AddToWallet calls, one from the previous test, and a duplicate for mempool_tx
 936      BOOST_CHECK_EQUAL(addtx_count, 2 + 2);
 937      {
 938          LOCK(wallet->cs_wallet);
 939          BOOST_CHECK_EQUAL(wallet->mapWallet.count(block_tx.GetHash()), 1U);
 940          BOOST_CHECK_EQUAL(wallet->mapWallet.count(mempool_tx.GetHash()), 1U);
 941      }
 942  
 943  
 944      TestUnloadWallet(std::move(wallet));
 945  }
 946  
 947  BOOST_FIXTURE_TEST_CASE(CreateWalletWithoutChain, BasicTestingSetup)
 948  {
 949      WalletContext context;
 950      context.args = &m_args;
 951      auto wallet = TestLoadWallet(context);
 952      BOOST_CHECK(wallet);
 953      WaitForDeleteWallet(std::move(wallet));
 954  }
 955  
 956  BOOST_FIXTURE_TEST_CASE(RemoveTxs, TestChain100Setup)
 957  {
 958      m_args.ForceSetArg("-unsafesqlitesync", "1");
 959      WalletContext context;
 960      context.args = &m_args;
 961      context.chain = m_node.chain.get();
 962      auto wallet = TestLoadWallet(context);
 963      CKey key = GenerateRandomKey();
 964      AddKey(*wallet, key);
 965  
 966      std::string error;
 967      m_coinbase_txns.push_back(CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
 968      auto block_tx = TestSimpleSpend(*m_coinbase_txns[0], 0, coinbaseKey, GetScriptForRawPubKey(key.GetPubKey()));
 969      CreateAndProcessBlock({block_tx}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
 970  
 971      m_node.validation_signals->SyncWithValidationInterfaceQueue();
 972  
 973      {
 974          auto block_hash = block_tx.GetHash();
 975          auto prev_tx = m_coinbase_txns[0];
 976  
 977          LOCK(wallet->cs_wallet);
 978          BOOST_CHECK(wallet->HasWalletSpend(prev_tx));
 979          BOOST_CHECK_EQUAL(wallet->mapWallet.count(block_hash), 1u);
 980  
 981          std::vector<uint256> vHashIn{ block_hash };
 982          BOOST_CHECK(wallet->RemoveTxs(vHashIn));
 983  
 984          BOOST_CHECK(!wallet->HasWalletSpend(prev_tx));
 985          BOOST_CHECK_EQUAL(wallet->mapWallet.count(block_hash), 0u);
 986      }
 987  
 988      TestUnloadWallet(std::move(wallet));
 989  }
 990  
 991  /**
 992   * Checks a wallet invalid state where the inputs (prev-txs) of a new arriving transaction are not marked dirty,
 993   * while the transaction that spends them exist inside the in-memory wallet tx map (not stored on db due a db write failure).
 994   */
 995  BOOST_FIXTURE_TEST_CASE(wallet_sync_tx_invalid_state_test, TestingSetup)
 996  {
 997      CWallet wallet(m_node.chain.get(), "", CreateMockableWalletDatabase());
 998      {
 999          LOCK(wallet.cs_wallet);
1000          wallet.SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
1001          wallet.SetupDescriptorScriptPubKeyMans();
1002      }
1003  
1004      // Add tx to wallet
1005      const auto op_dest{*Assert(wallet.GetNewDestination(OutputType::BECH32M, ""))};
1006  
1007      CMutableTransaction mtx;
1008      mtx.vout.emplace_back(COIN, GetScriptForDestination(op_dest));
1009      mtx.vin.emplace_back(Txid::FromUint256(m_rng.rand256()), 0);
1010      const auto& tx_id_to_spend = wallet.AddToWallet(MakeTransactionRef(mtx), TxStateInMempool{})->GetHash();
1011  
1012      {
1013          // Cache and verify available balance for the wtx
1014          LOCK(wallet.cs_wallet);
1015          const CWalletTx* wtx_to_spend = wallet.GetWalletTx(tx_id_to_spend);
1016          BOOST_CHECK_EQUAL(CachedTxGetAvailableCredit(wallet, *wtx_to_spend), 1 * COIN);
1017      }
1018  
1019      // Now the good case:
1020      // 1) Add a transaction that spends the previously created transaction
1021      // 2) Verify that the available balance of this new tx and the old one is updated (prev tx is marked dirty)
1022  
1023      mtx.vin.clear();
1024      mtx.vin.emplace_back(tx_id_to_spend, 0);
1025      wallet.transactionAddedToMempool(MakeTransactionRef(mtx));
1026      const auto good_tx_id{mtx.GetHash()};
1027  
1028      {
1029          // Verify balance update for the new tx and the old one
1030          LOCK(wallet.cs_wallet);
1031          const CWalletTx* new_wtx = wallet.GetWalletTx(good_tx_id.ToUint256());
1032          BOOST_CHECK_EQUAL(CachedTxGetAvailableCredit(wallet, *new_wtx), 1 * COIN);
1033  
1034          // Now the old wtx
1035          const CWalletTx* wtx_to_spend = wallet.GetWalletTx(tx_id_to_spend);
1036          BOOST_CHECK_EQUAL(CachedTxGetAvailableCredit(wallet, *wtx_to_spend), 0 * COIN);
1037      }
1038  
1039      // Now the bad case:
1040      // 1) Make db always fail
1041      // 2) Try to add a transaction that spends the previously created transaction and
1042      //    verify that we are not moving forward if the wallet cannot store it
1043      GetMockableDatabase(wallet).m_pass = false;
1044      mtx.vin.clear();
1045      mtx.vin.emplace_back(good_tx_id, 0);
1046      BOOST_CHECK_EXCEPTION(wallet.transactionAddedToMempool(MakeTransactionRef(mtx)),
1047                            std::runtime_error,
1048                            HasReason("DB error adding transaction to wallet, write failed"));
1049  }
1050  
1051  BOOST_AUTO_TEST_SUITE_END()
1052  } // namespace wallet
1053