From d1efe3d91c4b1bbb8178a67b445733f5560df1bb Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Wed, 5 Dec 2018 20:34:10 +0000
Subject: cryptonote: set tx hash on newly parsed txes when known

---
 src/cryptonote_basic/cryptonote_basic.h          |  2 ++
 src/cryptonote_basic/cryptonote_format_utils.cpp |  1 +
 src/cryptonote_core/tx_pool.cpp                  | 16 +++++++++++-----
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/src/cryptonote_basic/cryptonote_basic.h b/src/cryptonote_basic/cryptonote_basic.h
index b0eabb0aa..47674c9b3 100644
--- a/src/cryptonote_basic/cryptonote_basic.h
+++ b/src/cryptonote_basic/cryptonote_basic.h
@@ -203,6 +203,8 @@ namespace cryptonote
     void set_hash_valid(bool v) const { hash_valid.store(v,std::memory_order_release); }
     bool is_blob_size_valid() const { return blob_size_valid.load(std::memory_order_acquire); }
     void set_blob_size_valid(bool v) const { blob_size_valid.store(v,std::memory_order_release); }
+    void set_hash(const crypto::hash &h) { hash = h; set_hash_valid(true); }
+    void set_blob_size(size_t sz) { blob_size = sz; set_blob_size_valid(true); }
 
     BEGIN_SERIALIZE_OBJECT()
       if (!typename Archive<W>::is_saving())
diff --git a/src/cryptonote_basic/cryptonote_format_utils.cpp b/src/cryptonote_basic/cryptonote_format_utils.cpp
index d41bc1087..ea420e046 100644
--- a/src/cryptonote_basic/cryptonote_format_utils.cpp
+++ b/src/cryptonote_basic/cryptonote_format_utils.cpp
@@ -184,6 +184,7 @@ namespace cryptonote
     CHECK_AND_ASSERT_MES(r, false, "Failed to parse transaction from blob");
     CHECK_AND_ASSERT_MES(expand_transaction_1(tx, false), false, "Failed to expand transaction data");
     tx.invalidate_hashes();
+    tx.set_blob_size(tx_blob.size());
     return true;
   }
   //---------------------------------------------------------------
diff --git a/src/cryptonote_core/tx_pool.cpp b/src/cryptonote_core/tx_pool.cpp
index e2900916b..120edd87b 100644
--- a/src/cryptonote_core/tx_pool.cpp
+++ b/src/cryptonote_core/tx_pool.cpp
@@ -480,6 +480,10 @@ namespace cryptonote
         MERROR("Failed to parse tx from txpool");
         return false;
       }
+      else
+      {
+        tx.set_hash(id);
+      }
       tx_weight = meta.weight;
       fee = meta.fee;
       relayed = meta.relayed;
@@ -782,6 +786,7 @@ namespace cryptonote
         // continue
         return true;
       }
+      tx.set_hash(txid);
       txi.tx_json = obj_to_json_str(tx);
       txi.blob_size = bd->size();
       txi.weight = meta.weight;
@@ -847,14 +852,13 @@ namespace cryptonote
     m_blockchain.for_all_txpool_txes([&tx_infos, key_image_infos](const crypto::hash &txid, const txpool_tx_meta_t &meta, const cryptonote::blobdata *bd){
       cryptonote::rpc::tx_in_pool txi;
       txi.tx_hash = txid;
-      transaction tx;
-      if (!parse_and_validate_tx_from_blob(*bd, tx))
+      if (!parse_and_validate_tx_from_blob(*bd, txi.tx))
       {
         MERROR("Failed to parse tx from txpool");
         // continue
         return true;
       }
-      txi.tx = tx;
+      txi.tx.set_hash(txid);
       txi.blob_size = bd->size();
       txi.weight = meta.weight;
       txi.fee = meta.fee;
@@ -990,21 +994,23 @@ namespace cryptonote
   {
     struct transction_parser
     {
-      transction_parser(const cryptonote::blobdata &txblob, transaction &tx): txblob(txblob), tx(tx), parsed(false) {}
+      transction_parser(const cryptonote::blobdata &txblob, const crypto::hash &txid, transaction &tx): txblob(txblob), txid(txid), tx(tx), parsed(false) {}
       cryptonote::transaction &operator()()
       {
         if (!parsed)
         {
           if (!parse_and_validate_tx_from_blob(txblob, tx))
             throw std::runtime_error("failed to parse transaction blob");
+          tx.set_hash(txid);
           parsed = true;
         }
         return tx;
       }
       const cryptonote::blobdata &txblob;
+      const crypto::hash &txid;
       transaction &tx;
       bool parsed;
-    } lazy_tx(txblob, tx);
+    } lazy_tx(txblob, txid, tx);
 
     //not the best implementation at this time, sorry :(
     //check is ring_signature already checked ?
-- 
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