wallet, descspkm: Refactor wallet descriptor generation to standalone func

1 files changed, 1 insertions, 49 deletions

diff --git a/src/wallet/scriptpubkeyman.cpp b/src/wallet/scriptpubkeyman.cpp
index fdba16465b..59171f6db7 100644
--- a/src/wallet/scriptpubkeyman.cpp
+++ b/src/wallet/scriptpubkeyman.cpp
@@ -2327,55 +2327,7 @@ bool DescriptorScriptPubKeyMan::SetupDescriptorGeneration(WalletBatch& batch, co
         return false;
     }
 
-    int64_t creation_time = GetTime();
-
-    std::string xpub = EncodeExtPubKey(master_key.Neuter());
-
-    // Build descriptor string
-    std::string desc_prefix;
-    std::string desc_suffix = "/*)";
-    switch (addr_type) {
-    case OutputType::LEGACY: {
-        desc_prefix = "pkh(" + xpub + "/44h";
-        break;
-    }
-    case OutputType::P2SH_SEGWIT: {
-        desc_prefix = "sh(wpkh(" + xpub + "/49h";
-        desc_suffix += ")";
-        break;
-    }
-    case OutputType::BECH32: {
-        desc_prefix = "wpkh(" + xpub + "/84h";
-        break;
-    }
-    case OutputType::BECH32M: {
-        desc_prefix = "tr(" + xpub + "/86h";
-        break;
-    }
-    case OutputType::UNKNOWN: {
-        // We should never have a DescriptorScriptPubKeyMan for an UNKNOWN OutputType,
-        // so if we get to this point something is wrong
-        assert(false);
-    }
-    } // no default case, so the compiler can warn about missing cases
-    assert(!desc_prefix.empty());
-
-    // Mainnet derives at 0', testnet and regtest derive at 1'
-    if (Params().IsTestChain()) {
-        desc_prefix += "/1h";
-    } else {
-        desc_prefix += "/0h";
-    }
-
-    std::string internal_path = internal ? "/1" : "/0";
-    std::string desc_str = desc_prefix + "/0h" + internal_path + desc_suffix;
-
-    // Make the descriptor
-    FlatSigningProvider keys;
-    std::string error;
-    std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, error, false);
-    WalletDescriptor w_desc(std::move(desc), creation_time, 0, 0, 0);
-    m_wallet_descriptor = w_desc;
+    m_wallet_descriptor = GenerateWalletDescriptor(master_key.Neuter(), addr_type, internal);
 
     // Store the master private key, and descriptor
     if (!AddDescriptorKeyWithDB(batch, master_key.key, master_key.key.GetPubKey())) {