6 files changed, 64 insertions, 2 deletions
diff --git a/src/daemon/command_parser_executor.cpp b/src/daemon/command_parser_executor.cpp
index 0b42257e7..166fe04ca 100644
--- a/src/daemon/command_parser_executor.cpp
+++ b/src/daemon/command_parser_executor.cpp
@@ -439,5 +439,23 @@ bool t_command_parser_executor::flush_txpool(const std::vector<std::string>& arg
   return m_executor.flush_txpool(txid);
 }
 
+bool t_command_parser_executor::output_histogram(const std::vector<std::string>& args)
+{
+  if (args.size() > 2) return false;
+
+  uint64_t min_count = 3;
+  uint64_t max_count = 0;
+
+  if (args.size() >= 1)
+  {
+    min_count = boost::lexical_cast<uint64_t>(args[0]);
+  }
+  if (args.size() >= 2)
+  {
+    max_count = boost::lexical_cast<uint64_t>(args[1]);
+  }
+  return m_executor.output_histogram(min_count, max_count);
+}
+
 
 } // namespace daemonize
diff --git a/src/daemon/command_parser_executor.h b/src/daemon/command_parser_executor.h
index 51c55a8c0..11df92a5e 100644
--- a/src/daemon/command_parser_executor.h
+++ b/src/daemon/command_parser_executor.h
@@ -114,6 +114,8 @@ public:
   bool unban(const std::vector<std::string>& args);
 
   bool flush_txpool(const std::vector<std::string>& args);
+
+  bool output_histogram(const std::vector<std::string>& args);
 };
 
 } // namespace daemonize
diff --git a/src/daemon/command_server.cpp b/src/daemon/command_server.cpp
index 206de9d4a..aabc2f09a 100644
--- a/src/daemon/command_server.cpp
+++ b/src/daemon/command_server.cpp
@@ -214,6 +214,11 @@ t_command_server::t_command_server(
     , std::bind(&t_command_parser_executor::flush_txpool, &m_parser, p::_1)
     , "Flush a transaction from the tx pool by its txid, or the whole tx pool"
     );
+    m_command_lookup.set_handler(
+      "output_histogram"
+    , std::bind(&t_command_parser_executor::output_histogram, &m_parser, p::_1)
+    , "Print output histogram (amount, instances)"
+    );
 }
 
 bool t_command_server::process_command_str(const std::string& cmd)
diff --git a/src/daemon/core.h b/src/daemon/core.h
index 2208ef25a..2b7f0d177 100644
--- a/src/daemon/core.h
+++ b/src/daemon/core.h
@@ -28,7 +28,6 @@
 
 #pragma once
 
-#include "cryptonote_core/checkpoints_create.h"
 #include "cryptonote_core/cryptonote_core.h"
 #include "cryptonote_protocol/cryptonote_protocol_handler.h"
 #include "misc_log_ex.h"
diff --git a/src/daemon/rpc_command_executor.cpp b/src/daemon/rpc_command_executor.cpp
index ffda7cde3..933c93ed7 100644
--- a/src/daemon/rpc_command_executor.cpp
+++ b/src/daemon/rpc_command_executor.cpp
@@ -558,6 +558,7 @@ bool t_rpc_command_executor::print_transaction(crypto::hash transaction_hash) {
 
   std::string fail_message = "Problem fetching transaction";
 
+  req.txs_hashes.push_back(epee::string_tools::pod_to_hex(transaction_hash));
   if (m_is_rpc)
   {
     if (!m_rpc_client->rpc_request(req, res, "/gettransactions", fail_message.c_str()))
@@ -567,7 +568,6 @@ bool t_rpc_command_executor::print_transaction(crypto::hash transaction_hash) {
   }
   else
   {
-    req.txs_hashes.push_back(epee::string_tools::pod_to_hex(transaction_hash));
     if (!m_rpc_server->on_get_transactions(req, res) || res.status != CORE_RPC_STATUS_OK)
     {
       tools::fail_msg_writer() << fail_message.c_str();
@@ -1203,5 +1203,41 @@ bool t_rpc_command_executor::flush_txpool(const std::string &txid)
     return true;
 }
 
+bool t_rpc_command_executor::output_histogram(uint64_t min_count, uint64_t max_count)
+{
+    cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::request req;
+    cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::response res;
+    std::string fail_message = "Unsuccessful";
+    epee::json_rpc::error error_resp;
+
+    req.min_count = min_count;
+    req.max_count = max_count;
+
+    if (m_is_rpc)
+    {
+        if (!m_rpc_client->json_rpc_request(req, res, "get_output_histogram", fail_message.c_str()))
+        {
+            return true;
+        }
+    }
+    else
+    {
+        if (!m_rpc_server->on_get_output_histogram(req, res, error_resp))
+        {
+            tools::fail_msg_writer() << fail_message.c_str();
+            return true;
+        }
+    }
+
+    std::sort(res.histogram.begin(), res.histogram.end(),
+        [](const cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::entry &e1, const cryptonote::COMMAND_RPC_GET_OUTPUT_HISTOGRAM::entry &e2)->bool { return e1.instances < e2.instances; });
+    for (const auto &e: res.histogram)
+    {
+        tools::msg_writer() << e.instances << "  " << cryptonote::print_money(e.amount);
+    }
+
+    return true;
+}
+
 
 }// namespace daemonize
diff --git a/src/daemon/rpc_command_executor.h b/src/daemon/rpc_command_executor.h
index bc3f2d5c5..7e73e7faf 100644
--- a/src/daemon/rpc_command_executor.h
+++ b/src/daemon/rpc_command_executor.h
@@ -132,6 +132,8 @@ public:
   bool unban(const std::string &ip);
 
   bool flush_txpool(const std::string &txid);
+
+  bool output_histogram(uint64_t min_count, uint64_t max_count);
 };
 
 } // namespace daemonize