daemon: add +meta print_tx parameter

prints size, weight and (if mined) height

src/daemon/command_parser_executor.cpp

@@ -244,12 +244,15 @@ bool t_command_parser_executor::print_block(const std::vector<std::string>& args
 
 bool t_command_parser_executor::print_transaction(const std::vector<std::string>& args)
 {
+  bool include_metadata = false;
   bool include_hex = false;
   bool include_json = false;
 
   // Assumes that optional flags come after mandatory argument <transaction_hash>
   for (unsigned int i = 1; i < args.size(); ++i) {
-    if (args[i] == "+hex")
+    if (args[i] == "+meta")
+      include_metadata = true;
+    else if (args[i] == "+hex")
       include_hex = true;
     else if (args[i] == "+json")
       include_json = true;
@@ -261,15 +264,15 @@ bool t_command_parser_executor::print_transaction(const std::vector<std::string>
   }
   if (args.empty())
   {
-    std::cout << "expected: print_tx <transaction_hash> [+hex] [+json]" << std::endl;
+    std::cout << "expected: print_tx <transaction_hash> [+meta] [+hex] [+json]" << std::endl;
     return true;
   }
 
   const std::string& str_hash = args.front();
   crypto::hash tx_hash;
   if (parse_hash256(str_hash, tx_hash))
   {
-    m_executor.print_transaction(tx_hash, include_hex, include_json);
+    m_executor.print_transaction(tx_hash, include_metadata, include_hex, include_json);
   }
 
   return true;

src/daemon/rpc_command_executor.cpp

@@ -939,6 +939,7 @@ bool t_rpc_command_executor::print_block_by_height(uint64_t height, bool include
 }
 
 bool t_rpc_command_executor::print_transaction(crypto::hash transaction_hash,
+  bool include_metadata,
   bool include_hex,
   bool include_json) {
   cryptonote::COMMAND_RPC_GET_TRANSACTIONS::request req;
@@ -981,6 +982,29 @@ bool t_rpc_command_executor::print_transaction(crypto::hash transaction_hash,
     const std::string &as_hex = (1 == res.txs.size()) ? res.txs.front().as_hex : res.txs_as_hex.front();
     const std::string &pruned_as_hex = (1 == res.txs.size()) ? res.txs.front().pruned_as_hex : "";
     const std::string &prunable_as_hex = (1 == res.txs.size()) ? res.txs.front().prunable_as_hex : "";
+    // Print metadata if requested
+    if (include_metadata)
+    {
+      if (!res.txs.front().in_pool)
+      {
+        tools::msg_writer() << "Block timestamp: " << res.txs.front().block_timestamp << " (" << tools::get_human_readable_timestamp(res.txs.front().block_timestamp) << ")";
+      }
+      cryptonote::blobdata blob;
+      if (epee::string_tools::parse_hexstr_to_binbuff(pruned_as_hex + prunable_as_hex, blob))
+      {
+        cryptonote::transaction tx;
+        if (cryptonote::parse_and_validate_tx_from_blob(blob, tx))
+        {
+          tools::msg_writer() << "Size: " << blob.size();
+          tools::msg_writer() << "Weight: " << cryptonote::get_transaction_weight(tx);
+        }
+        else
+          tools::fail_msg_writer() << "Error parsing transaction blob";
+      }
+      else
+        tools::fail_msg_writer() << "Error parsing transaction from hex";
+    }
+
     // Print raw hex if requested
     if (include_hex)
     {

src/daemon/rpc_command_executor.h

@@ -97,7 +97,7 @@ class t_rpc_command_executor final {
 
   bool print_block_by_height(uint64_t height, bool include_hex);
 
-  bool print_transaction(crypto::hash transaction_hash, bool include_hex, bool include_json);
+  bool print_transaction(crypto::hash transaction_hash, bool include_metadata, bool include_hex, bool include_json);
 
   bool is_key_image_spent(const crypto::key_image &ki);