Fix importprivkey / rescan

src/rpcdump.cpp

@@ -116,9 +116,14 @@ Value importprivkey(const Array& params, bool fHelp)
         if (pwalletMain->HaveKey(vchAddress))
             return Value::null;
 
+        pwalletMain->mapKeyMetadata[vchAddress].nCreateTime = 1;
+
         if (!pwalletMain->AddKeyPubKey(key, pubkey))
             throw JSONRPCError(RPC_WALLET_ERROR, "Error adding key to wallet");
 
+        // whenever a key is imported, we need to scan the whole chain
+        pwalletMain->nTimeFirstKey = 1; // 0 would be considered 'no value'
+
         if (fRescan) {
             pwalletMain->ScanForWalletTransactions(chainActive.Genesis(), true);
             pwalletMain->ReacceptWalletTransactions();