Refactor: Allow LegacyScriptPubKeyMan to be null

In CWallet::LoadWallet, use this to detect and empty wallet with no keys

This commit does not change behavior.

11 files changed, 79 insertions, 34 deletions

diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
index 782cf226ae..b730d4a4dd 100644
--- a/src/wallet/rpcdump.cpp
+++ b/src/wallet/rpcdump.cpp
@@ -125,7 +125,7 @@ UniValue importprivkey(const JSONRPCRequest& request)
         throw JSONRPCError(RPC_WALLET_ERROR, "Cannot import private keys to a wallet with private keys disabled");
     }
 
-    EnsureLegacyScriptPubKeyMan(*wallet);
+    EnsureLegacyScriptPubKeyMan(*wallet, true);
 
     WalletRescanReserver reserver(pwallet);
     bool fRescan = true;
@@ -253,7 +253,7 @@ UniValue importaddress(const JSONRPCRequest& request)
                 },
             }.Check(request);
 
-    EnsureLegacyScriptPubKeyMan(*pwallet);
+    EnsureLegacyScriptPubKeyMan(*pwallet, true);
 
     std::string strLabel;
     if (!request.params[1].isNull())
@@ -454,7 +454,7 @@ UniValue importpubkey(const JSONRPCRequest& request)
                 },
             }.Check(request);
 
-    EnsureLegacyScriptPubKeyMan(*wallet);
+    EnsureLegacyScriptPubKeyMan(*wallet, true);
 
     std::string strLabel;
     if (!request.params[1].isNull())
@@ -538,7 +538,7 @@ UniValue importwallet(const JSONRPCRequest& request)
                 },
             }.Check(request);
 
-    EnsureLegacyScriptPubKeyMan(*wallet);
+    EnsureLegacyScriptPubKeyMan(*wallet, true);
 
     if (pwallet->chain().havePruned()) {
         // Exit early and print an error.
@@ -1334,7 +1334,7 @@ UniValue importmulti(const JSONRPCRequest& mainRequest)
 
     RPCTypeCheck(mainRequest.params, {UniValue::VARR, UniValue::VOBJ});
 
-    EnsureLegacyScriptPubKeyMan(*wallet);
+    EnsureLegacyScriptPubKeyMan(*wallet, true);
 
     const UniValue& requests = mainRequest.params[0];
 
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 1ee0d06867..6ae18b1ed7 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -124,9 +124,13 @@ void EnsureWalletIsUnlocked(const CWallet* pwallet)
     }
 }
 
-LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet)
+// also_create should only be set to true only when the RPC is expected to add things to a blank wallet and make it no longer blank
+LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet, bool also_create)
 {
     LegacyScriptPubKeyMan* spk_man = wallet.GetLegacyScriptPubKeyMan();
+    if (!spk_man && also_create) {
+        spk_man = wallet.GetOrCreateLegacyScriptPubKeyMan();
+    }
     if (!spk_man) {
         throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
     }
@@ -4003,7 +4007,7 @@ UniValue sethdseed(const JSONRPCRequest& request)
                 },
             }.Check(request);
 
-    LegacyScriptPubKeyMan& spk_man = EnsureLegacyScriptPubKeyMan(*pwallet);
+    LegacyScriptPubKeyMan& spk_man = EnsureLegacyScriptPubKeyMan(*pwallet, true);
 
     if (pwallet->chain().isInitialBlockDownload()) {
         throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Cannot set a new HD seed while still in Initial Block Download");
diff --git a/src/wallet/rpcwallet.h b/src/wallet/rpcwallet.h
index becca455f6..2813fa2bfc 100644
--- a/src/wallet/rpcwallet.h
+++ b/src/wallet/rpcwallet.h
@@ -41,7 +41,7 @@ std::shared_ptr<CWallet> GetWalletForJSONRPCRequest(const JSONRPCRequest& reques
 std::string HelpRequiringPassphrase(const CWallet*);
 void EnsureWalletIsUnlocked(const CWallet*);
 bool EnsureWalletIsAvailable(const CWallet*, bool avoidException);
-LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet);
+LegacyScriptPubKeyMan& EnsureLegacyScriptPubKeyMan(CWallet& wallet, bool also_create = false);
 
 UniValue getaddressinfo(const JSONRPCRequest& request);
 UniValue signrawtransactionwithwallet(const JSONRPCRequest& request);
diff --git a/src/wallet/test/coinselector_tests.cpp b/src/wallet/test/coinselector_tests.cpp
index 0e0f06c64c..d65a0e9075 100644
--- a/src/wallet/test/coinselector_tests.cpp
+++ b/src/wallet/test/coinselector_tests.cpp
@@ -136,6 +136,7 @@ BOOST_AUTO_TEST_CASE(bnb_search_test)
 {
 
     LOCK(testWallet.cs_wallet);
+    testWallet.SetupLegacyScriptPubKeyMan();
 
     // Setup
     std::vector<CInputCoin> utxo_pool;
@@ -278,6 +279,7 @@ BOOST_AUTO_TEST_CASE(bnb_search_test)
         std::unique_ptr<CWallet> wallet = MakeUnique<CWallet>(m_chain.get(), WalletLocation(), WalletDatabase::CreateMock());
         bool firstRun;
         wallet->LoadWallet(firstRun);
+        wallet->SetupLegacyScriptPubKeyMan();
         LOCK(wallet->cs_wallet);
         add_coin(*wallet, 5 * CENT, 6 * 24, false, 0, true);
         add_coin(*wallet, 3 * CENT, 6 * 24, false, 0, true);
@@ -299,6 +301,7 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test)
     bool bnb_used;
 
     LOCK(testWallet.cs_wallet);
+    testWallet.SetupLegacyScriptPubKeyMan();
 
     // test multiple times to allow for differences in the shuffle order
     for (int i = 0; i < RUN_TESTS; i++)
@@ -578,6 +581,7 @@ BOOST_AUTO_TEST_CASE(ApproximateBestSubset)
     bool bnb_used;
 
     LOCK(testWallet.cs_wallet);
+    testWallet.SetupLegacyScriptPubKeyMan();
 
     empty_wallet();
 
@@ -596,6 +600,8 @@ BOOST_AUTO_TEST_CASE(ApproximateBestSubset)
 // Tests that with the ideal conditions, the coin selector will always be able to find a solution that can pay the target value
 BOOST_AUTO_TEST_CASE(SelectCoins_test)
 {
+    testWallet.SetupLegacyScriptPubKeyMan();
+
     // Random generator stuff
     std::default_random_engine generator;
     std::exponential_distribution<double> distribution (100);
diff --git a/src/wallet/test/ismine_tests.cpp b/src/wallet/test/ismine_tests.cpp
index 0ed6db47b6..4c0e4dc653 100644
--- a/src/wallet/test/ismine_tests.cpp
+++ b/src/wallet/test/ismine_tests.cpp
@@ -36,6 +36,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2PK compressed
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         scriptPubKey = GetScriptForRawPubKey(pubkeys[0]);
 
@@ -52,6 +53,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2PK uncompressed
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         scriptPubKey = GetScriptForRawPubKey(uncompressedPubkey);
 
@@ -68,6 +70,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2PKH compressed
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         scriptPubKey = GetScriptForDestination(PKHash(pubkeys[0]));
 
@@ -84,6 +87,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2PKH uncompressed
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         scriptPubKey = GetScriptForDestination(PKHash(uncompressedPubkey));
 
@@ -100,6 +104,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2SH
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
 
         CScript redeemScript = GetScriptForDestination(PKHash(pubkeys[0]));
@@ -123,6 +128,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // (P2PKH inside) P2SH inside P2SH (invalid)
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
 
         CScript redeemscript_inner = GetScriptForDestination(PKHash(pubkeys[0]));
@@ -140,6 +146,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // (P2PKH inside) P2SH inside P2WSH (invalid)
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
 
         CScript redeemscript = GetScriptForDestination(PKHash(pubkeys[0]));
@@ -157,6 +164,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2WPKH inside P2WSH (invalid)
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
 
         CScript witnessscript = GetScriptForDestination(WitnessV0KeyHash(PKHash(pubkeys[0])));
@@ -172,6 +180,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // (P2PKH inside) P2WSH inside P2WSH (invalid)
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
 
         CScript witnessscript_inner = GetScriptForDestination(PKHash(pubkeys[0]));
@@ -189,6 +198,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2WPKH compressed
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(keys[0]));
 
@@ -203,6 +213,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2WPKH uncompressed
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(uncompressedKey));
 
@@ -221,6 +232,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // scriptPubKey multisig
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
 
         scriptPubKey = GetScriptForMultisig(2, {uncompressedPubkey, pubkeys[1]});
@@ -251,6 +263,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2SH multisig
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(uncompressedKey));
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(keys[1]));
@@ -271,6 +284,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2WSH multisig with compressed keys
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(keys[0]));
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(keys[1]));
@@ -296,6 +310,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2WSH multisig with uncompressed key
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(uncompressedKey));
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(keys[1]));
@@ -321,6 +336,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // P2WSH multisig wrapped in P2SH
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
 
         CScript witnessScript = GetScriptForMultisig(2, {pubkeys[0], pubkeys[1]});
@@ -347,6 +363,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // OP_RETURN
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(keys[0]));
 
@@ -360,6 +377,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // witness unspendable
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(keys[0]));
 
@@ -373,6 +391,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // witness unknown
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(keys[0]));
 
@@ -386,6 +405,7 @@ BOOST_AUTO_TEST_CASE(ismine_standard)
     // Nonstandard
     {
         CWallet keystore(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        keystore.SetupLegacyScriptPubKeyMan();
         LOCK(keystore.GetLegacyScriptPubKeyMan()->cs_KeyStore);
         BOOST_CHECK(keystore.GetLegacyScriptPubKeyMan()->AddKey(keys[0]));
 
diff --git a/src/wallet/test/psbt_wallet_tests.cpp b/src/wallet/test/psbt_wallet_tests.cpp
index 1eaf14e75d..ff20d71360 100644
--- a/src/wallet/test/psbt_wallet_tests.cpp
+++ b/src/wallet/test/psbt_wallet_tests.cpp
@@ -16,7 +16,7 @@ BOOST_FIXTURE_TEST_SUITE(psbt_wallet_tests, WalletTestingSetup)
 
 BOOST_AUTO_TEST_CASE(psbt_updater_test)
 {
-    auto spk_man = m_wallet.GetLegacyScriptPubKeyMan();
+    auto spk_man = m_wallet.GetOrCreateLegacyScriptPubKeyMan();
     LOCK2(m_wallet.cs_wallet, spk_man->cs_KeyStore);
 
     // Create prevtxs and add to wallet
diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp
index 125b57bcd8..a487e9e2e0 100644
--- a/src/wallet/test/wallet_tests.cpp
+++ b/src/wallet/test/wallet_tests.cpp
@@ -28,7 +28,7 @@ BOOST_FIXTURE_TEST_SUITE(wallet_tests, WalletTestingSetup)
 
 static void AddKey(CWallet& wallet, const CKey& key)
 {
-    auto spk_man = wallet.GetLegacyScriptPubKeyMan();
+    auto spk_man = wallet.GetOrCreateLegacyScriptPubKeyMan();
     LOCK2(wallet.cs_wallet, spk_man->cs_KeyStore);
     spk_man->AddKeyPubKey(key, key.GetPubKey());
 }
@@ -151,6 +151,7 @@ BOOST_FIXTURE_TEST_CASE(importmulti_rescan, TestChain100Setup)
     // after.
     {
         std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        wallet->SetupLegacyScriptPubKeyMan();
         AddWallet(wallet);
         UniValue keys;
         keys.setArray();
@@ -215,7 +216,7 @@ BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup)
     // Import key into wallet and call dumpwallet to create backup file.
     {
         std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
-        auto spk_man = wallet->GetLegacyScriptPubKeyMan();
+        auto spk_man = wallet->GetOrCreateLegacyScriptPubKeyMan();
         LOCK2(wallet->cs_wallet, spk_man->cs_KeyStore);
         spk_man->mapKeyMetadata[coinbaseKey.GetPubKey().GetID()].nCreateTime = KEY_TIME;
         spk_man->AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
@@ -232,6 +233,7 @@ BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup)
     // were scanned, and no prior blocks were scanned.
     {
         std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+        wallet->SetupLegacyScriptPubKeyMan();
 
         JSONRPCRequest request;
         request.params.setArray();
@@ -265,7 +267,7 @@ BOOST_FIXTURE_TEST_CASE(coin_mark_dirty_immature_credit, TestChain100Setup)
     auto chain = interfaces::MakeChain(node);
 
     CWallet wallet(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
-    auto spk_man = wallet.GetLegacyScriptPubKeyMan();
+    auto spk_man = wallet.GetOrCreateLegacyScriptPubKeyMan();
     CWalletTx wtx(&wallet, m_coinbase_txns.back());
 
     auto locked_chain = chain->lock();
@@ -280,7 +282,7 @@ BOOST_FIXTURE_TEST_CASE(coin_mark_dirty_immature_credit, TestChain100Setup)
     // cache the current immature credit amount, which is 0.
     BOOST_CHECK_EQUAL(wtx.GetImmatureCredit(), 0);
 
-    // Invalidate the cached vanue, add the key, and make sure a new immature
+    // Invalidate the cached value, add the key, and make sure a new immature
     // credit amount is calculated.
     wtx.MarkDirty();
     BOOST_CHECK(spk_man->AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey()));
@@ -415,7 +417,7 @@ BOOST_AUTO_TEST_CASE(WatchOnlyPubKeys)
 {
     CKey key;
     CPubKey pubkey;
-    LegacyScriptPubKeyMan* spk_man = m_wallet.GetLegacyScriptPubKeyMan();
+    LegacyScriptPubKeyMan* spk_man = m_wallet.GetOrCreateLegacyScriptPubKeyMan();
 
     BOOST_CHECK(!spk_man->HaveWatchOnly());
 
@@ -577,6 +579,7 @@ BOOST_FIXTURE_TEST_CASE(wallet_disableprivkeys, TestChain100Setup)
     NodeContext node;
     auto chain = interfaces::MakeChain(node);
     std::shared_ptr<CWallet> wallet = std::make_shared<CWallet>(chain.get(), WalletLocation(), WalletDatabase::CreateDummy());
+    wallet->SetupLegacyScriptPubKeyMan();
     wallet->SetMinVersion(FEATURE_LATEST);
     wallet->SetWalletFlag(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
     BOOST_CHECK(!wallet->TopUpKeyPool(1000));
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 86c2cfdfda..224996af15 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -2993,10 +2993,9 @@ DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
         }
     }
 
+    // This wallet is in its first run if there are no ScriptPubKeyMans and it isn't blank or no privkeys
     {
-        LOCK(cs_KeyStore);
-        // This wallet is in its first run if all of these are empty
-        fFirstRunRet = mapKeys.empty() && mapCryptedKeys.empty() && mapWatchKeys.empty() && setWatchOnly.empty() && mapScripts.empty()
+        fFirstRunRet = !m_spk_man
             && !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET);
     }
 
@@ -3727,6 +3726,10 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(interfaces::Chain& chain,
         walletInstance->SetMinVersion(FEATURE_LATEST);
 
         walletInstance->SetWalletFlags(wallet_creation_flags, false);
+
+        // Always create LegacyScriptPubKeyMan for now
+        walletInstance->SetupLegacyScriptPubKeyMan();
+
         if (!(wallet_creation_flags & (WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET))) {
             LOCK(walletInstance->cs_wallet);
             if (auto spk_man = walletInstance->m_spk_man.get()) {
@@ -4121,6 +4124,17 @@ LegacyScriptPubKeyMan* CWallet::GetLegacyScriptPubKeyMan() const
     return m_spk_man.get();
 }
 
+LegacyScriptPubKeyMan* CWallet::GetOrCreateLegacyScriptPubKeyMan()
+{
+    SetupLegacyScriptPubKeyMan();
+    return GetLegacyScriptPubKeyMan();
+}
+
+void CWallet::SetupLegacyScriptPubKeyMan()
+{
+    if (!m_spk_man) m_spk_man = MakeUnique<LegacyScriptPubKeyMan>(*this);
+}
+
 const CKeyingMaterial& CWallet::GetEncryptionKey() const
 {
     return vMasterKey;
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index ef4c8ea8a1..a3efdb813b 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -1140,19 +1140,17 @@ public:
     const SigningProvider* GetSigningProvider(const CScript& script, SignatureData& sigdata) const;
 
     LegacyScriptPubKeyMan* GetLegacyScriptPubKeyMan() const;
+    LegacyScriptPubKeyMan* GetOrCreateLegacyScriptPubKeyMan();
+
+    //! Make a LegacyScriptPubKeyMan and set it for all types, internal, and external.
+    void SetupLegacyScriptPubKeyMan();
 
     const CKeyingMaterial& GetEncryptionKey() const override;
     bool HasEncryptionKeys() const override;
 
     // Temporary LegacyScriptPubKeyMan accessors and aliases.
     friend class LegacyScriptPubKeyMan;
-    std::unique_ptr<LegacyScriptPubKeyMan> m_spk_man = MakeUnique<LegacyScriptPubKeyMan>(*this);
-    RecursiveMutex& cs_KeyStore = m_spk_man->cs_KeyStore;
-    LegacyScriptPubKeyMan::KeyMap& mapKeys GUARDED_BY(cs_KeyStore) = m_spk_man->mapKeys;
-    LegacyScriptPubKeyMan::ScriptMap& mapScripts GUARDED_BY(cs_KeyStore) = m_spk_man->mapScripts;
-    LegacyScriptPubKeyMan::CryptedKeyMap& mapCryptedKeys GUARDED_BY(cs_KeyStore) = m_spk_man->mapCryptedKeys;
-    LegacyScriptPubKeyMan::WatchOnlySet& setWatchOnly GUARDED_BY(cs_KeyStore) = m_spk_man->setWatchOnly;
-    LegacyScriptPubKeyMan::WatchKeyMap& mapWatchKeys GUARDED_BY(cs_KeyStore) = m_spk_man->mapWatchKeys;
+    std::unique_ptr<LegacyScriptPubKeyMan> m_spk_man;
 
     /** Get last block processed height */
     int GetLastBlockHeight() const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet)
diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp
index 19e0292ff6..a1928f45c4 100644
--- a/src/wallet/walletdb.cpp
+++ b/src/wallet/walletdb.cpp
@@ -251,7 +251,7 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
             char fYes;
             ssValue >> fYes;
             if (fYes == '1') {
-                pwallet->GetLegacyScriptPubKeyMan()->LoadWatchOnly(script);
+                pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadWatchOnly(script);
             }
         } else if (strType == DBKeys::KEY) {
             CPubKey vchPubKey;
@@ -303,7 +303,7 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
                 strErr = "Error reading wallet database: CPrivKey corrupt";
                 return false;
             }
-            if (!pwallet->GetLegacyScriptPubKeyMan()->LoadKey(key, vchPubKey))
+            if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadKey(key, vchPubKey))
             {
                 strErr = "Error reading wallet database: LegacyScriptPubKeyMan::LoadKey failed";
                 return false;
@@ -334,7 +334,7 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
             ssValue >> vchPrivKey;
             wss.nCKeys++;
 
-            if (!pwallet->GetLegacyScriptPubKeyMan()->LoadCryptedKey(vchPubKey, vchPrivKey))
+            if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadCryptedKey(vchPubKey, vchPrivKey))
             {
                 strErr = "Error reading wallet database: LegacyScriptPubKeyMan::LoadCryptedKey failed";
                 return false;
@@ -346,14 +346,14 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
             CKeyMetadata keyMeta;
             ssValue >> keyMeta;
             wss.nKeyMeta++;
-            pwallet->GetLegacyScriptPubKeyMan()->LoadKeyMetadata(vchPubKey.GetID(), keyMeta);
+            pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadKeyMetadata(vchPubKey.GetID(), keyMeta);
         } else if (strType == DBKeys::WATCHMETA) {
             CScript script;
             ssKey >> script;
             CKeyMetadata keyMeta;
             ssValue >> keyMeta;
             wss.nKeyMeta++;
-            pwallet->GetLegacyScriptPubKeyMan()->LoadScriptMetadata(CScriptID(script), keyMeta);
+            pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadScriptMetadata(CScriptID(script), keyMeta);
         } else if (strType == DBKeys::DEFAULTKEY) {
             // We don't want or need the default key, but if there is one set,
             // we want to make sure that it is valid so that we can detect corruption
@@ -369,13 +369,13 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
             CKeyPool keypool;
             ssValue >> keypool;
 
-            pwallet->GetLegacyScriptPubKeyMan()->LoadKeyPool(nIndex, keypool);
+            pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadKeyPool(nIndex, keypool);
         } else if (strType == DBKeys::CSCRIPT) {
             uint160 hash;
             ssKey >> hash;
             CScript script;
             ssValue >> script;
-            if (!pwallet->GetLegacyScriptPubKeyMan()->LoadCScript(script))
+            if (!pwallet->GetOrCreateLegacyScriptPubKeyMan()->LoadCScript(script))
             {
                 strErr = "Error reading wallet database: LegacyScriptPubKeyMan::LoadCScript failed";
                 return false;
@@ -391,7 +391,7 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
         } else if (strType == DBKeys::HDCHAIN) {
             CHDChain chain;
             ssValue >> chain;
-            pwallet->GetLegacyScriptPubKeyMan()->SetHDChain(chain, true);
+            pwallet->GetOrCreateLegacyScriptPubKeyMan()->SetHDChain(chain, true);
         } else if (strType == DBKeys::FLAGS) {
             uint64_t flags;
             ssValue >> flags;
@@ -515,7 +515,7 @@ DBErrors WalletBatch::LoadWallet(CWallet* pwallet)
 
     // nTimeFirstKey is only reliable if all keys have metadata
     if ((wss.nKeys + wss.nCKeys + wss.nWatchKeys) != wss.nKeyMeta) {
-        auto spk_man = pwallet->GetLegacyScriptPubKeyMan();
+        auto spk_man = pwallet->GetOrCreateLegacyScriptPubKeyMan();
         if (spk_man) {
             LOCK(spk_man->cs_KeyStore);
             spk_man->UpdateTimeFirstKey(1);
diff --git a/src/wallet/wallettool.cpp b/src/wallet/wallettool.cpp
index 4bc9d7edf1..fbfdf9dd6b 100644
--- a/src/wallet/wallettool.cpp
+++ b/src/wallet/wallettool.cpp
@@ -38,7 +38,7 @@ static std::shared_ptr<CWallet> CreateWallet(const std::string& name, const fs::
     wallet_instance->SetMinVersion(FEATURE_HD_SPLIT);
 
     // generate a new HD seed
-    auto spk_man = wallet_instance->GetLegacyScriptPubKeyMan();
+    auto spk_man = wallet_instance->GetOrCreateLegacyScriptPubKeyMan();
     CPubKey seed = spk_man->GenerateNewSeed();
     spk_man->SetHDSeed(seed);