Optionally allow ImportScripts to set script creation timestamp

Behavior changes:
* scripts imported in importmulti that are not explicilty scriptPubKeys will have timestamps set for them

src/wallet/rpcdump.cpp

@@ -194,7 +194,7 @@ UniValue importprivkey(const JSONRPCRequest& request)
 
             // Add the wpkh script for this key if possible
             if (pubkey.IsCompressed()) {
-                pwallet->ImportScripts({GetScriptForDestination(WitnessV0KeyHash(vchAddress))});
+                pwallet->ImportScripts({GetScriptForDestination(WitnessV0KeyHash(vchAddress))}, 0 /* timestamp */);
             }
         }
     }
@@ -316,7 +316,7 @@ UniValue importaddress(const JSONRPCRequest& request)
             CScript redeem_script(data.begin(), data.end());
 
             std::set<CScript> scripts = {redeem_script};
-            pwallet->ImportScripts(scripts);
+            pwallet->ImportScripts(scripts, 0 /* timestamp */);
 
             if (fP2SH) {
                 scripts.insert(GetScriptForDestination(ScriptHash(CScriptID(redeem_script))));
@@ -1251,7 +1251,7 @@ static UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, con
 
         // All good, time to import
         pwallet->MarkDirty();
-        if (!pwallet->ImportScripts(import_data.import_scripts)) {
+        if (!pwallet->ImportScripts(import_data.import_scripts, timestamp)) {
             throw JSONRPCError(RPC_WALLET_ERROR, "Error adding script to wallet");
         }
         if (!pwallet->ImportPrivKeys(privkey_map, timestamp)) {

src/wallet/wallet.cpp

@@ -1661,7 +1661,7 @@ bool CWallet::DummySignTx(CMutableTransaction &txNew, const std::vector<CTxOut>
     return true;
 }
 
-bool CWallet::ImportScripts(const std::set<CScript> scripts)
+bool CWallet::ImportScripts(const std::set<CScript> scripts, int64_t timestamp)
 {
     WalletBatch batch(*database);
     for (const auto& entry : scripts) {
@@ -1673,7 +1673,15 @@ bool CWallet::ImportScripts(const std::set<CScript> scripts)
         if (!AddCScriptWithDB(batch, entry)) {
             return false;
         }
+
+        if (timestamp > 0) {
+            m_script_metadata[CScriptID(entry)].nCreateTime = timestamp;
+        }
     }
+    if (timestamp > 0) {
+        UpdateTimeFirstKey(timestamp);
+    }
+
     return true;
 }
 

src/wallet/wallet.h

@@ -1092,7 +1092,7 @@ public:
     bool DummySignTx(CMutableTransaction &txNew, const std::vector<CTxOut> &txouts, bool use_max_sig = false) const;
     bool DummySignInput(CTxIn &tx_in, const CTxOut &txout, bool use_max_sig = false) const;
 
-    bool ImportScripts(const std::set<CScript> scripts) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
+    bool ImportScripts(const std::set<CScript> scripts, int64_t timestamp) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
     bool ImportPrivKeys(const std::map<CKeyID, CKey>& privkey_map, const int64_t timestamp) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
     bool ImportPubKeys(const std::vector<CKeyID>& ordered_pubkeys, const std::map<CKeyID, CPubKey>& pubkey_map, const std::map<CKeyID, std::pair<CPubKey, KeyOriginInfo>>& key_origins, const bool add_keypool, const bool internal, const int64_t timestamp) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
     bool ImportScriptPubKeys(const std::string& label, const std::set<CScript>& script_pub_keys, const bool have_solving_data, const bool apply_label, const int64_t timestamp) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);