add multisig tx sets to describe_transfer rpc endpoint

src/wallet/wallet2.cpp

@@ -6282,17 +6282,17 @@ bool wallet2::save_multisig_tx(const std::vector<pending_tx>& ptx_vector, const
   return epee::file_io_utils::save_string_to_file(filename, ciphertext);
 }
 //----------------------------------------------------------------------------------------------------
-bool wallet2::load_multisig_tx(cryptonote::blobdata s, multisig_tx_set &exported_txs, std::function<bool(const multisig_tx_set&)> accept_func)
+bool wallet2::parse_multisig_tx_from_str(std::string multisig_tx_st, multisig_tx_set &exported_txs) const
 {
   const size_t magiclen = strlen(MULTISIG_UNSIGNED_TX_PREFIX);
-  if (strncmp(s.c_str(), MULTISIG_UNSIGNED_TX_PREFIX, magiclen))
+  if (strncmp(multisig_tx_st.c_str(), MULTISIG_UNSIGNED_TX_PREFIX, magiclen))
   {
     LOG_PRINT_L0("Bad magic from multisig tx data");
     return false;
   }
   try
   {
-    s = decrypt_with_view_secret_key(std::string(s, magiclen));
+    multisig_tx_st = decrypt_with_view_secret_key(std::string(multisig_tx_st, magiclen));
   }
   catch (const std::exception &e)
   {
@@ -6301,7 +6301,7 @@ bool wallet2::load_multisig_tx(cryptonote::blobdata s, multisig_tx_set &exported
   }
   try
   {
-    std::istringstream iss(s);
+    std::istringstream iss(multisig_tx_st);
     boost::archive::portable_binary_iarchive ar(iss);
     ar >> exported_txs;
   }
@@ -6323,6 +6323,17 @@ bool wallet2::load_multisig_tx(cryptonote::blobdata s, multisig_tx_set &exported
     CHECK_AND_ASSERT_MES(ptx.construction_data.sources.size() == ptx.tx.vin.size(), false, "Mismatched sources/vin sizes");
   }
 
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
+bool wallet2::load_multisig_tx(cryptonote::blobdata s, multisig_tx_set &exported_txs, std::function<bool(const multisig_tx_set&)> accept_func)
+{
+  if(!parse_multisig_tx_from_str(s, exported_txs))
+  {
+    LOG_PRINT_L0("Failed to parse multisig transaction from string");
+    return false;
+  }
+
   LOG_PRINT_L1("Loaded multisig tx unsigned data from binary: " << exported_txs.m_ptx.size() << " transactions");
   for (auto &ptx: exported_txs.m_ptx) LOG_PRINT_L0(cryptonote::obj_to_json_str(ptx.tx));
 

src/wallet/wallet2.h

@@ -793,6 +793,7 @@ namespace tools
     void cold_tx_aux_import(const std::vector<pending_tx>& ptx, const std::vector<std::string>& tx_device_aux);
     void cold_sign_tx(const std::vector<pending_tx>& ptx_vector, signed_tx_set &exported_txs, std::vector<cryptonote::address_parse_info> &dsts_info, std::vector<std::string> & tx_device_aux);
     uint64_t cold_key_image_sync(uint64_t &spent, uint64_t &unspent);
+    bool parse_multisig_tx_from_str(std::string multisig_tx_st, multisig_tx_set &exported_txs) const;
     bool load_multisig_tx(cryptonote::blobdata blob, multisig_tx_set &exported_txs, std::function<bool(const multisig_tx_set&)> accept_func = NULL);
     bool load_multisig_tx_from_file(const std::string &filename, multisig_tx_set &exported_txs, std::function<bool(const multisig_tx_set&)> accept_func = NULL);
     bool sign_multisig_tx_from_file(const std::string &filename, std::vector<crypto::hash> &txids, std::function<bool(const multisig_tx_set&)> accept_func);

src/wallet/wallet_rpc_server.cpp

@@ -1023,30 +1023,60 @@ namespace tools
       er.message = "command not supported by watch-only wallet";
       return false;
     }
+    if(req.unsigned_txset.empty() && req.multisig_txset.empty())
+    {
+      er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
+      er.message = "no txset provided";
+      return false;
+    }
 
+    std::vector <wallet2::tx_construction_data> tx_constructions;
+    if (!req.unsigned_txset.empty()) {
+      try {
         tools::wallet2::unsigned_tx_set exported_txs;
-    try
-    {
         cryptonote::blobdata blob;
-      if (!epee::string_tools::parse_hexstr_to_binbuff(req.unsigned_txset, blob))
+        if (!epee::string_tools::parse_hexstr_to_binbuff(req.unsigned_txset, blob)) {
-      {
           er.code = WALLET_RPC_ERROR_CODE_BAD_HEX;
           er.message = "Failed to parse hex.";
           return false;
         }
-      if(!m_wallet->parse_unsigned_tx_from_str(blob, exported_txs))
+        if (!m_wallet->parse_unsigned_tx_from_str(blob, exported_txs)) {
-      {
           er.code = WALLET_RPC_ERROR_CODE_BAD_UNSIGNED_TX_DATA;
           er.message = "cannot load unsigned_txset";
           return false;
         }
+        tx_constructions = exported_txs.txes;
       }
-    catch (const std::exception &e)
+      catch (const std::exception &e) {
-    {
         er.code = WALLET_RPC_ERROR_CODE_BAD_UNSIGNED_TX_DATA;
         er.message = "failed to parse unsigned transfers: " + std::string(e.what());
         return false;
       }
+    } else if (!req.multisig_txset.empty()) {
+      try {
+        tools::wallet2::multisig_tx_set exported_txs;
+        cryptonote::blobdata blob;
+        if (!epee::string_tools::parse_hexstr_to_binbuff(req.multisig_txset, blob)) {
+          er.code = WALLET_RPC_ERROR_CODE_BAD_HEX;
+          er.message = "Failed to parse hex.";
+          return false;
+        }
+        if (!m_wallet->parse_multisig_tx_from_str(blob, exported_txs)) {
+          er.code = WALLET_RPC_ERROR_CODE_BAD_MULTISIG_TX_DATA;
+          er.message = "cannot load multisig_txset";
+          return false;
+        }
+
+        for (size_t n = 0; n < exported_txs.m_ptx.size(); ++n) {
+          tx_constructions.push_back(exported_txs.m_ptx[n].construction_data);
+        }
+      }
+      catch (const std::exception &e) {
+        er.code = WALLET_RPC_ERROR_CODE_BAD_MULTISIG_TX_DATA;
+        er.message = "failed to parse multisig transfers: " + std::string(e.what());
+        return false;
+      }
+    }
 
     std::vector<tools::wallet2::pending_tx> ptx;
     try
@@ -1054,9 +1084,9 @@ namespace tools
       // gather info to ask the user
       std::unordered_map<cryptonote::account_public_address, std::pair<std::string, uint64_t>> dests;
       int first_known_non_zero_change_index = -1;
-      for (size_t n = 0; n < exported_txs.txes.size(); ++n)
+      for (size_t n = 0; n < tx_constructions.size(); ++n)
       {
-        const tools::wallet2::tx_construction_data &cd = exported_txs.txes[n];
+        const tools::wallet2::tx_construction_data &cd = tx_constructions[n];
         res.desc.push_back({0, 0, std::numeric_limits<uint32_t>::max(), 0, {}, "", 0, "", 0, 0, ""});
         wallet_rpc::COMMAND_RPC_DESCRIBE_TRANSFER::transfer_description &desc = res.desc.back();
 
@@ -1120,7 +1150,7 @@ namespace tools
           {
             if (first_known_non_zero_change_index == -1)
               first_known_non_zero_change_index = n;
-            const tools::wallet2::tx_construction_data &cdn = exported_txs.txes[first_known_non_zero_change_index];
+            const tools::wallet2::tx_construction_data &cdn = tx_constructions[first_known_non_zero_change_index];
             if (memcmp(&cd.change_dts.addr, &cdn.change_dts.addr, sizeof(cd.change_dts.addr)))
             {
               er.code = WALLET_RPC_ERROR_CODE_BAD_UNSIGNED_TX_DATA;
@@ -1148,7 +1178,7 @@ namespace tools
 
         if (desc.change_amount > 0)
         {
-          const tools::wallet2::tx_construction_data &cd0 = exported_txs.txes[0];
+          const tools::wallet2::tx_construction_data &cd0 = tx_constructions[0];
           desc.change_address = get_account_address_as_str(m_wallet->nettype(), cd0.subaddr_account > 0, cd0.change_dts.addr);
         }
 

src/wallet/wallet_rpc_server_commands_defs.h

@@ -47,7 +47,7 @@
 // advance which version they will stop working with
 // Don't go over 32767 for any of these
 #define WALLET_RPC_VERSION_MAJOR 1
-#define WALLET_RPC_VERSION_MINOR 7
+#define WALLET_RPC_VERSION_MINOR 8
 #define MAKE_WALLET_RPC_VERSION(major,minor) (((major)<<16)|(minor))
 #define WALLET_RPC_VERSION MAKE_WALLET_RPC_VERSION(WALLET_RPC_VERSION_MAJOR, WALLET_RPC_VERSION_MINOR)
 namespace tools
@@ -576,9 +576,11 @@ namespace wallet_rpc
     struct request
     {
       std::string unsigned_txset;
+      std::string multisig_txset;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(unsigned_txset)
+        KV_SERIALIZE(multisig_txset)
       END_KV_SERIALIZE_MAP()
     };