core: new /getrandom_rctouts.bin binary RPC call

to get random ringct outputs to mix with

3 files changed, 56 insertions, 0 deletions

diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index c15a647de..586b09179 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -250,6 +250,30 @@ namespace cryptonote
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
+  bool core_rpc_server::on_get_random_rct_outs(const COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS::request& req, COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS::response& res)
+  {
+    CHECK_CORE_BUSY();
+    res.status = "Failed";
+    if(!m_core.get_random_rct_outs(req, res))
+    {
+      return true;
+    }
+
+    res.status = CORE_RPC_STATUS_OK;
+    std::stringstream ss;
+    typedef COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS::out_entry out_entry;
+    CHECK_AND_ASSERT_MES(res.outs.size(), true, "internal error: res.outs.size() is empty");
+    std::for_each(res.outs.begin(), res.outs.end(), [&](out_entry& oe)
+      {
+        ss << oe.global_amount_index << " ";
+      });
+    ss << ENDL;
+    std::string s = ss.str();
+    LOG_PRINT_L2("COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS: " << ENDL << s);
+    res.status = CORE_RPC_STATUS_OK;
+    return true;
+  }
+  //------------------------------------------------------------------------------------------------------------------------------
   bool core_rpc_server::on_get_indexes(const COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::request& req, COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES::response& res)
   {
     CHECK_CORE_BUSY();
diff --git a/src/rpc/core_rpc_server.h b/src/rpc/core_rpc_server.h
index 6ebf41abc..9fcf3abf8 100644
--- a/src/rpc/core_rpc_server.h
+++ b/src/rpc/core_rpc_server.h
@@ -79,6 +79,7 @@ namespace cryptonote
       MAP_URI_AUTO_BIN2("/get_o_indexes.bin", on_get_indexes, COMMAND_RPC_GET_TX_GLOBAL_OUTPUTS_INDEXES)      
       MAP_URI_AUTO_BIN2("/getrandom_outs.bin", on_get_random_outs, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS)      
       MAP_URI_AUTO_BIN2("/get_outs.bin", on_get_outs, COMMAND_RPC_GET_OUTPUTS)      
+      MAP_URI_AUTO_BIN2("/getrandom_rctouts.bin", on_get_random_rct_outs, COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS)
       MAP_URI_AUTO_JON2("/gettransactions", on_get_transactions, COMMAND_RPC_GET_TRANSACTIONS)
       MAP_URI_AUTO_JON2("/is_key_image_spent", on_is_key_image_spent, COMMAND_RPC_IS_KEY_IMAGE_SPENT)
       MAP_URI_AUTO_JON2("/sendrawtransaction", on_send_raw_tx, COMMAND_RPC_SEND_RAW_TX)
@@ -128,6 +129,7 @@ namespace cryptonote
     bool on_mining_status(const COMMAND_RPC_MINING_STATUS::request& req, COMMAND_RPC_MINING_STATUS::response& res);
     bool on_get_random_outs(const COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::request& req, COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::response& res);        
     bool on_get_outs(const COMMAND_RPC_GET_OUTPUTS::request& req, COMMAND_RPC_GET_OUTPUTS::response& res);        
+    bool on_get_random_rct_outs(const COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS::request& req, COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS::response& res);
     bool on_get_info(const COMMAND_RPC_GET_INFO::request& req, COMMAND_RPC_GET_INFO::response& res);        
     bool on_save_bc(const COMMAND_RPC_SAVE_BC::request& req, COMMAND_RPC_SAVE_BC::response& res);
     bool on_get_peer_list(const COMMAND_RPC_GET_PEER_LIST::request& req, COMMAND_RPC_GET_PEER_LIST::response& res);
diff --git a/src/rpc/core_rpc_server_commands_defs.h b/src/rpc/core_rpc_server_commands_defs.h
index 22c3590e1..bbea145e5 100644
--- a/src/rpc/core_rpc_server_commands_defs.h
+++ b/src/rpc/core_rpc_server_commands_defs.h
@@ -315,6 +315,36 @@ namespace cryptonote
       END_KV_SERIALIZE_MAP()
     };
   };
+
+  struct COMMAND_RPC_GET_RANDOM_RCT_OUTPUTS
+  {
+    struct request
+    {
+      uint64_t outs_count;
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(outs_count)
+      END_KV_SERIALIZE_MAP()
+    };
+
+#pragma pack (push, 1)
+    struct out_entry
+    {
+      uint64_t global_amount_index;
+      crypto::public_key out_key;
+      rct::key commitment;
+    };
+#pragma pack(pop)
+
+    struct response
+    {
+      std::list<out_entry> outs;
+      std::string status;
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE_CONTAINER_POD_AS_BLOB(outs)
+        KV_SERIALIZE(status)
+      END_KV_SERIALIZE_MAP()
+    };
+  };
   //-----------------------------------------------
   struct COMMAND_RPC_SEND_RAW_TX
   {