From e546f3724aeb91e72df263c27780a4d149b0a92a Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Sat, 19 Sep 2015 16:34:29 +0100
Subject: Add an RPC call and daemon command to get info on hard fork voting

---
 src/rpc/core_rpc_server.cpp             | 23 ++++++++++++++++++++++
 src/rpc/core_rpc_server.h               |  1 +
 src/rpc/core_rpc_server_commands_defs.h | 35 +++++++++++++++++++++++++++++++++
 src/rpc/core_rpc_server_error_codes.h   |  1 +
 4 files changed, 60 insertions(+)

(limited to 'src/rpc')

diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index 80bd7e6cd..f9ff632ac 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -812,6 +812,29 @@ namespace cryptonote
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
+  bool core_rpc_server::on_hard_fork_info(const COMMAND_RPC_HARD_FORK_INFO::request& req, COMMAND_RPC_HARD_FORK_INFO::response& res, epee::json_rpc::error& error_resp)
+  {
+    if(!check_core_busy())
+    {
+      error_resp.code = CORE_RPC_ERROR_CODE_CORE_BUSY;
+      error_resp.message = "Core is busy.";
+      return false;
+    }
+
+#if BLOCKCHAIN_DB == DB_LMDB
+    const Blockchain &blockchain = m_core.get_blockchain_storage();
+    uint8_t version = req.version > 0 ? req.version : blockchain.get_ideal_hard_fork_version();
+    res.version = blockchain.get_current_hard_fork_version();
+    res.enabled = blockchain.get_hard_fork_voting_info(version, res.window, res.votes, res.threshold, res.voting);
+    res.state = blockchain.get_hard_fork_state();
+    return true;
+#else
+    error_resp.code = CORE_RPC_ERROR_CODE_UNSUPPORTED_RPC;
+    error_resp.message = "Hard fork inoperative in memory mode.";
+    return false;
+#endif
+  }
+  //------------------------------------------------------------------------------------------------------------------------------
   bool core_rpc_server::on_fast_exit(const COMMAND_RPC_FAST_EXIT::request& req, COMMAND_RPC_FAST_EXIT::response& res)
   {
 	  cryptonote::core::set_fast_exit();
diff --git a/src/rpc/core_rpc_server.h b/src/rpc/core_rpc_server.h
index 3213e6b1c..60e7d00d5 100644
--- a/src/rpc/core_rpc_server.h
+++ b/src/rpc/core_rpc_server.h
@@ -138,6 +138,7 @@ namespace cryptonote
     bool on_get_block_header_by_height(const COMMAND_RPC_GET_BLOCK_HEADER_BY_HEIGHT::request& req, COMMAND_RPC_GET_BLOCK_HEADER_BY_HEIGHT::response& res, epee::json_rpc::error& error_resp);
     bool on_get_connections(const COMMAND_RPC_GET_CONNECTIONS::request& req, COMMAND_RPC_GET_CONNECTIONS::response& res, epee::json_rpc::error& error_resp);
     bool on_get_info_json(const COMMAND_RPC_GET_INFO::request& req, COMMAND_RPC_GET_INFO::response& res, epee::json_rpc::error& error_resp);
+    bool on_hard_fork_info(const COMMAND_RPC_HARD_FORK_INFO::request& req, COMMAND_RPC_HARD_FORK_INFO::response& res, epee::json_rpc::error& error_resp);
     //-----------------------
 
 private:
diff --git a/src/rpc/core_rpc_server_commands_defs.h b/src/rpc/core_rpc_server_commands_defs.h
index b2fdd9930..a806cbae9 100644
--- a/src/rpc/core_rpc_server_commands_defs.h
+++ b/src/rpc/core_rpc_server_commands_defs.h
@@ -815,5 +815,40 @@ namespace cryptonote
       END_KV_SERIALIZE_MAP()
     };
   };
+
+  struct COMMAND_RPC_HARD_FORK_INFO
+  {
+    struct request
+    {
+      uint8_t version;
+
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(version)
+      END_KV_SERIALIZE_MAP()
+    };
+
+    struct response
+    {
+      uint8_t version;
+      bool enabled;
+      uint32_t window;
+      uint32_t votes;
+      uint32_t threshold;
+      uint8_t voting;
+      uint32_t state;
+      std::string status;
+
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(version)
+        KV_SERIALIZE(enabled)
+        KV_SERIALIZE(window)
+        KV_SERIALIZE(votes)
+        KV_SERIALIZE(threshold)
+        KV_SERIALIZE(voting)
+        KV_SERIALIZE(state)
+        KV_SERIALIZE(status)
+      END_KV_SERIALIZE_MAP()
+    };
+  };
 }
 
diff --git a/src/rpc/core_rpc_server_error_codes.h b/src/rpc/core_rpc_server_error_codes.h
index 91659eb2a..72c72b94b 100644
--- a/src/rpc/core_rpc_server_error_codes.h
+++ b/src/rpc/core_rpc_server_error_codes.h
@@ -40,5 +40,6 @@
 #define CORE_RPC_ERROR_CODE_BLOCK_NOT_ACCEPTED    -7
 #define CORE_RPC_ERROR_CODE_CORE_BUSY             -9
 #define CORE_RPC_ERROR_CODE_WRONG_BLOCKBLOB_SIZE  -10
+#define CORE_RPC_ERROR_CODE_UNSUPPORTED_RPC       -11
 
 
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