From 386212b9c1db5542b039e28179f50bc89184c7e7 Mon Sep 17 00:00:00 2001
From: moneroexamples <moneroexamples@tuta.io>
Date: Tue, 10 May 2016 10:21:20 +0000
Subject: [PATCH] mylmbd::for_all_output_amounts added

---
 src/mylmdb.h | 50 +++++++++++++++++++++++++++++++++++++++-
 src/page.h   | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 114 insertions(+), 1 deletion(-)

diff --git a/src/mylmdb.h b/src/mylmdb.h
index ca1071e..78bf8b6 100644
--- a/src/mylmdb.h
+++ b/src/mylmdb.h
@@ -299,7 +299,7 @@ namespace xmreg
 
             try
             {
-            
+
                 lmdb::txn rtxn  = lmdb::txn::begin(m_env, nullptr, MDB_RDONLY);
                 lmdb::dbi rdbi  = lmdb::dbi::open(rtxn, db_name.c_str(), flags);
                 lmdb::cursor cr = lmdb::cursor::open(rtxn, rdbi);
@@ -374,6 +374,54 @@ namespace xmreg
             return true;
         }
 
+
+        void
+        for_all_output_amounts(std::function<bool(
+                                public_key& output_pub_key,
+                                uint64_t& amount)> f)
+        {
+            unsigned int flags = MDB_DUPSORT | MDB_DUPFIXED;
+
+            try
+            {
+
+                lmdb::txn rtxn  = lmdb::txn::begin(m_env, nullptr, MDB_RDONLY);
+                lmdb::dbi rdbi  = lmdb::dbi::open(rtxn, "output_amounts", flags);
+                lmdb::cursor cr = lmdb::cursor::open(rtxn, rdbi);
+
+                lmdb::val key_to_find;
+                lmdb::val amount_val;
+
+
+                // process all values for the same key
+                while (cr.get(key_to_find, amount_val, MDB_NEXT))
+                {
+                    public_key pub_key;
+
+                    epee::string_tools::hex_to_pod(
+                                string(key_to_find.data(), key_to_find.size()),
+                                pub_key);
+
+                    uint64_t xmr_amount = *(amount_val.data<uint64_t>());
+
+                    //cout << key_val_to_str(key_to_find, tx_hash_val) << endl;
+
+                    if (f(pub_key, xmr_amount) == false)
+                    {
+                        break;
+                    }
+                }
+
+                cr.close();
+                rtxn.abort();
+
+            }
+            catch (lmdb::error& e)
+            {
+                cerr << e.what() << endl;
+            }
+        }
+
         void
         print_all(const string& db_name)
         {
diff --git a/src/page.h b/src/page.h
index 6ab5a97..f607e27 100644
--- a/src/page.h
+++ b/src/page.h
@@ -1373,9 +1373,74 @@ namespace xmreg {
             return mstch::render(full_page, context);
         }
 
+        void find_all_outputs()
+        {
+
+            string xmr_address_str {"43A7NUmo5HbhJoSKbw9bRWW4u2b8dNfhKheTR5zxoRwQ7bULK5TgUQeAvPS5EVNLAJYZRQYqXCmhdf26zG2Has35SpiF1FP"};
+            string viewkey_str    {"9c2edec7636da3fbb343931d6c3d6e11bcd8042ff7e11de98a8d364f31976c04"};
+
+            // parse string representing given monero address
+            cryptonote::account_public_address address;
+
+            if (!xmreg::parse_str_address(xmr_address_str,  address, 0))
+            {
+                cerr << "Cant parse string address: " << xmr_address_str << endl;
+                //return string("Cant parse xmr address: " + xmr_address_str);
+            }
+
+            // parse string representing given private viewkey
+            crypto::secret_key prv_view_key;
+
+            if (!xmreg::parse_str_secret_key(viewkey_str, prv_view_key))
+            {
+                cerr << "Cant parse view key: " << viewkey_str << endl;
+                //return string("Cant parse view key: " + viewkey_str);
+            }
+
+            // public transaction key is combined with our viewkey
+            // to create, so called, derived key.
+            // key_derivation derivation;
+            //
+            // if (!generate_key_derivation(txd.pk, prv_view_key, derivation))
+            // {
+            //     cerr << "Cant get dervied key for: "  << "\n"
+            //          << "pub_tx_key: " << txd.pk << " and "
+            //          << "prv_view_key" << prv_view_key << endl;
+            //
+            //     //return string("Cant get key_derivation");
+            // }
+
+            public_key to_find;
+            epee::string_tools::hex_to_pod(
+                    "46ff0a46390feab13e1991186d622b768069c8489ed27e62fca4d478aaee3ffc",
+                    to_find);
+
+
+            auto output_search = [&](public_key& output_pub_key,
+                                     uint64_t& amount) -> bool
+            {
+                    if (to_find == output_pub_key)
+                    {
+                        cout << amount << endl;
+                    }
+
+                    return true;
+            };
+
+
+
+            //@TODO make lmdb2 path to some option
+            xmreg::MyLMDB mylmdb {"/home/mwo/.bitmonero/lmdb2"};
+
+            cout << "Seaerch stated" << endl;
+            mylmdb.for_all_output_amounts(output_search);
+            cout << "Seaerch finished" << endl;
+        }
+
         string
         search(string search_text)
         {
+
             // remove white characters
             boost::trim(search_text);