new flush_txpool command, and associated RPC call

It can flush a particular tx, or the whole pool (the RPC command
can flush a list of transactions too)

5 files changed, 57 insertions, 0 deletions

diff --git a/src/daemon/command_parser_executor.cpp b/src/daemon/command_parser_executor.cpp
index d1d48b6da..0b42257e7 100644
--- a/src/daemon/command_parser_executor.cpp
+++ b/src/daemon/command_parser_executor.cpp
@@ -421,5 +421,23 @@ bool t_command_parser_executor::unban(const std::vector<std::string>& args)
   return m_executor.unban(ip);
 }
 
+bool t_command_parser_executor::flush_txpool(const std::vector<std::string>& args)
+{
+  if (args.size() > 1) return false;
+
+  std::string txid;
+  if (args.size() == 1)
+  {
+    crypto::hash hash;
+    if (!parse_hash256(args[0], hash))
+    {
+      std::cout << "failed to parse tx id" << std::endl;
+      return true;
+    }
+    txid = args[0];
+  }
+  return m_executor.flush_txpool(txid);
+}
+
 
 } // namespace daemonize
diff --git a/src/daemon/command_parser_executor.h b/src/daemon/command_parser_executor.h
index 2d9315df8..51c55a8c0 100644
--- a/src/daemon/command_parser_executor.h
+++ b/src/daemon/command_parser_executor.h
@@ -112,6 +112,8 @@ public:
   bool ban(const std::vector<std::string>& args);
 
   bool unban(const std::vector<std::string>& args);
+
+  bool flush_txpool(const std::vector<std::string>& args);
 };
 
 } // namespace daemonize
diff --git a/src/daemon/command_server.cpp b/src/daemon/command_server.cpp
index f99b0844a..206de9d4a 100644
--- a/src/daemon/command_server.cpp
+++ b/src/daemon/command_server.cpp
@@ -209,6 +209,11 @@ t_command_server::t_command_server(
     , std::bind(&t_command_parser_executor::unban, &m_parser, p::_1)
     , "Unban a given IP"
     );
+    m_command_lookup.set_handler(
+      "flush_txpool"
+    , 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"
+    );
 }
 
 bool t_command_server::process_command_str(const std::string& cmd)
diff --git a/src/daemon/rpc_command_executor.cpp b/src/daemon/rpc_command_executor.cpp
index 6809f68b9..1ab1c8ed8 100644
--- a/src/daemon/rpc_command_executor.cpp
+++ b/src/daemon/rpc_command_executor.cpp
@@ -1161,4 +1161,34 @@ bool t_rpc_command_executor::unban(const std::string &ip)
     return true;
 }
 
+bool t_rpc_command_executor::flush_txpool(const std::string &txid)
+{
+    cryptonote::COMMAND_RPC_FLUSH_TRANSACTION_POOL::request req;
+    cryptonote::COMMAND_RPC_FLUSH_TRANSACTION_POOL::response res;
+    std::string fail_message = "Unsuccessful";
+    epee::json_rpc::error error_resp;
+
+    if (!txid.empty())
+      req.txids.push_back(txid);
+
+    if (m_is_rpc)
+    {
+        if (!m_rpc_client->json_rpc_request(req, res, "flush_txpool", fail_message.c_str()))
+        {
+            return true;
+        }
+    }
+    else
+    {
+        if (!m_rpc_server->on_flush_txpool(req, res, error_resp))
+        {
+            tools::fail_msg_writer() << fail_message.c_str();
+            return true;
+        }
+    }
+
+    return true;
+}
+
+
 }// namespace daemonize
diff --git a/src/daemon/rpc_command_executor.h b/src/daemon/rpc_command_executor.h
index 9589dff64..bc3f2d5c5 100644
--- a/src/daemon/rpc_command_executor.h
+++ b/src/daemon/rpc_command_executor.h
@@ -130,6 +130,8 @@ public:
   bool ban(const std::string &ip, time_t seconds);
 
   bool unban(const std::string &ip);
+
+  bool flush_txpool(const std::string &txid);
 };
 
 } // namespace daemonize