fixup! wallet: Add SilentPaymentsSPKM

Author: achow101

src/wallet/silentpayments.cpp

@@ -352,8 +352,8 @@ std::optional<int64_t> SilentPaymentsSPKM::GetOldestKeyPoolTime() const
 
 unsigned int SilentPaymentsSPKM::GetKeyPoolSize() const
 {
-    // Keypool size doesn't make sense for silent payments, just return 1
-    return 1;
+    // Keypool size doesn't make sense for silent payments, just return 0
+    return 0;
 }
 
 int64_t SilentPaymentsSPKM::GetTimeFirstKey() const

src/wallet/silentpayments.h

@@ -100,7 +100,8 @@ class SilentPaymentsSPKM : public ScriptPubKeyMan
 
     bool TopUp(unsigned int size = 0) override;
 
-    bool IsHDEnabled() const override { return false; }
+    // HD isn't really a concept that makes sense for silent payments, just return true unconditionally to avoid breaking other stuff
+    bool IsHDEnabled() const override { return true; }
     bool CanGetAddresses(bool internal = false) const override { return true; }
     bool HavePrivateKeys() const override
     {