wallet: resolve ambiguity of two ScriptPubKey managers providing same script

Author: S3RK

src/wallet/rpcwallet.cpp

@@ -3982,8 +3982,12 @@ RPCHelpMan getaddressinfo()
         ret.pushKV("solvable", false);
     }
 
+    const auto& spk_mans = pwallet->GetScriptPubKeyMans(scriptPubKey);
+    // In most cases there is only one matching ScriptPubKey manager and we can't resolve ambiguity in a better way
+    ScriptPubKeyMan* spk_man{nullptr};
+    if (spk_mans.size()) spk_man = *spk_mans.begin();
 
-    DescriptorScriptPubKeyMan* desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(pwallet->GetScriptPubKeyMan(scriptPubKey));
+    DescriptorScriptPubKeyMan* desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man);
     if (desc_spk_man) {
         std::string desc_str;
         if (desc_spk_man->GetDescriptorString(desc_str, /* priv */ false)) {
@@ -3998,7 +4002,6 @@ RPCHelpMan getaddressinfo()
 
     ret.pushKV("ischange", ScriptIsChange(*pwallet, scriptPubKey));
 
-    ScriptPubKeyMan* spk_man = pwallet->GetScriptPubKeyMan(scriptPubKey);
     if (spk_man) {
         if (const std::unique_ptr<CKeyMetadata> meta = spk_man->GetMetadata(dest)) {
             ret.pushKV("timestamp", meta->nCreateTime);

src/wallet/wallet.cpp

@@ -2253,16 +2253,15 @@ void ReserveDestination::ReturnDestination()
 bool CWallet::DisplayAddress(const CTxDestination& dest)
 {
     CScript scriptPubKey = GetScriptForDestination(dest);
-    const auto spk_man = GetScriptPubKeyMan(scriptPubKey);
-    if (spk_man == nullptr) {
-        return false;
-    }
-    auto signer_spk_man = dynamic_cast<ExternalSignerScriptPubKeyMan*>(spk_man);
-    if (signer_spk_man == nullptr) {
-        return false;
+    for (const auto& spk_man : GetScriptPubKeyMans(scriptPubKey)) {
+        auto signer_spk_man = dynamic_cast<ExternalSignerScriptPubKeyMan *>(spk_man);
+        if (signer_spk_man == nullptr) {
+            continue;
+        }
+        ExternalSigner signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
+        return signer_spk_man->DisplayAddress(scriptPubKey, signer);
     }
-    ExternalSigner signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
-    return signer_spk_man->DisplayAddress(scriptPubKey, signer);
+    return false;
 }
 
 bool CWallet::LockCoin(const COutPoint& output, WalletBatch* batch)
@@ -3035,9 +3034,10 @@ ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const OutputType& type, bool intern
     return it->second;
 }
 
-std::set<ScriptPubKeyMan*> CWallet::GetScriptPubKeyMans(const CScript& script, SignatureData& sigdata) const
+std::set<ScriptPubKeyMan*> CWallet::GetScriptPubKeyMans(const CScript& script) const
 {
     std::set<ScriptPubKeyMan*> spk_mans;
+    SignatureData sigdata;
     for (const auto& spk_man_pair : m_spk_managers) {
         if (spk_man_pair.second->CanProvide(script, sigdata)) {
             spk_mans.insert(spk_man_pair.second.get());
@@ -3046,17 +3046,6 @@ std::set<ScriptPubKeyMan*> CWallet::GetScriptPubKeyMans(const CScript& script, S
     return spk_mans;
 }
 
-ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const CScript& script) const
-{
-    SignatureData sigdata;
-    for (const auto& spk_man_pair : m_spk_managers) {
-        if (spk_man_pair.second->CanProvide(script, sigdata)) {
-            return spk_man_pair.second.get();
-        }
-    }
-    return nullptr;
-}
-
 ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const uint256& id) const
 {
     if (m_spk_managers.count(id) > 0) {

src/wallet/wallet.h

@@ -805,14 +805,11 @@ class CWallet final : public WalletStorage, public interfaces::Chain::Notificati
     //! Get the ScriptPubKeyMan for the given OutputType and internal/external chain.
     ScriptPubKeyMan* GetScriptPubKeyMan(const OutputType& type, bool internal) const;
 
-    //! Get the ScriptPubKeyMan for a script
-    ScriptPubKeyMan* GetScriptPubKeyMan(const CScript& script) const;
+    //! Get all the ScriptPubKeyMans for a script
+    std::set<ScriptPubKeyMan*> GetScriptPubKeyMans(const CScript& script) const;
     //! Get the ScriptPubKeyMan by id
     ScriptPubKeyMan* GetScriptPubKeyMan(const uint256& id) const;
 
-    //! Get all of the ScriptPubKeyMans for a script given additional information in sigdata (populated by e.g. a psbt)
-    std::set<ScriptPubKeyMan*> GetScriptPubKeyMans(const CScript& script, SignatureData& sigdata) const;
-
     //! Get the SigningProvider for a script
     std::unique_ptr<SigningProvider> GetSolvingProvider(const CScript& script) const;
     std::unique_ptr<SigningProvider> GetSolvingProvider(const CScript& script, SignatureData& sigdata) const;