simplewallet: disable long payment ids by default

unless --long-payment-id-support is used

src/simplewallet/simplewallet.cpp

@@ -113,6 +113,14 @@ typedef cryptonote::simple_wallet sw;
 
 #define PRINT_USAGE(usage_help) fail_msg_writer() << boost::format(tr("usage: %s")) % usage_help;
 
+#define LONG_PAYMENT_ID_SUPPORT_CHECK() \
+  do { \
+    if (!m_long_payment_id_support) { \
+      fail_msg_writer() << tr("Long payment IDs are obsolete. Use --long-payment-id-support if you really must use one."); \
+      return true; \
+    } \
+  } while(0)
+
 enum TransferType {
   Transfer,
   TransferLocked,
@@ -141,6 +149,7 @@ namespace
   const command_line::arg_descriptor<bool> arg_create_address_file = {"create-address-file", sw::tr("Create an address file for new wallets"), false};
   const command_line::arg_descriptor<std::string> arg_subaddress_lookahead = {"subaddress-lookahead", tools::wallet2::tr("Set subaddress lookahead sizes to <major>:<minor>"), ""};
   const command_line::arg_descriptor<bool> arg_use_english_language_names = {"use-english-language-names", sw::tr("Display English language names"), false};
+  const command_line::arg_descriptor<bool> arg_long_payment_id_support = {"long-payment-id-support", sw::tr("Support obsolete long (unencrypted) payment ids"), false};
 
   const command_line::arg_descriptor< std::vector<std::string> > arg_command = {"command", ""};
 
@@ -151,12 +160,12 @@ namespace
   const char* USAGE_PAYMENTS("payments <PID_1> [<PID_2> ... <PID_N>]");
   const char* USAGE_PAYMENT_ID("payment_id");
   const char* USAGE_TRANSFER("transfer [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] (<URI> | <address> <amount>) [<payment_id>]");
-  const char* USAGE_LOCKED_TRANSFER("locked_transfer [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] (<URI> | <addr> <amount>) <lockblocks> [<payment_id>]");
+  const char* USAGE_LOCKED_TRANSFER("locked_transfer [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] (<URI> | <addr> <amount>) <lockblocks> [<payment_id (obsolete)>]");
-  const char* USAGE_LOCKED_SWEEP_ALL("locked_sweep_all [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] <address> <lockblocks> [<payment_id>]");
+  const char* USAGE_LOCKED_SWEEP_ALL("locked_sweep_all [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] <address> <lockblocks> [<payment_id (obsolete)>]");
-  const char* USAGE_SWEEP_ALL("sweep_all [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] [outputs=<N>] <address> [<payment_id>]");
+  const char* USAGE_SWEEP_ALL("sweep_all [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] [outputs=<N>] <address> [<payment_id (obsolete)>]");
-  const char* USAGE_SWEEP_BELOW("sweep_below <amount_threshold> [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] <address> [<payment_id>]");
+  const char* USAGE_SWEEP_BELOW("sweep_below <amount_threshold> [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] <address> [<payment_id (obsolete)>]");
-  const char* USAGE_SWEEP_SINGLE("sweep_single [<priority>] [<ring_size>] [outputs=<N>] <key_image> <address> [<payment_id>]");
+  const char* USAGE_SWEEP_SINGLE("sweep_single [<priority>] [<ring_size>] [outputs=<N>] <key_image> <address> [<payment_id (obsolete)>]");
-  const char* USAGE_DONATE("donate [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] <amount> [<payment_id>]");
+  const char* USAGE_DONATE("donate [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] <amount> [<payment_id (obsolete)>]");
   const char* USAGE_SIGN_TRANSFER("sign_transfer [export_raw]");
   const char* USAGE_SET_LOG("set_log <level>|{+,-,}<categories>");
   const char* USAGE_ACCOUNT("account\n"
@@ -861,6 +870,8 @@ bool simple_wallet::change_password(const std::vector<std::string> &args)
 
 bool simple_wallet::payment_id(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
 {
+  LONG_PAYMENT_ID_SUPPORT_CHECK();
+
   crypto::hash payment_id;
   if (args.size() > 0)
   {
@@ -2223,6 +2234,8 @@ bool simple_wallet::set_refresh_type(const std::vector<std::string> &args/* = st
 
 bool simple_wallet::set_confirm_missing_payment_id(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
 {
+  LONG_PAYMENT_ID_SUPPORT_CHECK();
+
   const auto pwd_container = get_and_verify_password();
   if (pwd_container)
   {
@@ -2848,7 +2861,7 @@ simple_wallet::simple_wallet()
   m_cmd_binder.set_handler("payment_id",
                            boost::bind(&simple_wallet::payment_id, this, _1),
                            tr(USAGE_PAYMENT_ID),
-                           tr("Generate a new random full size payment id. These will be unencrypted on the blockchain, see integrated_address for encrypted short payment ids."));
+                           tr("Generate a new random full size payment id (obsolete). These will be unencrypted on the blockchain, see integrated_address for encrypted short payment ids."));
   m_cmd_binder.set_handler("fee",
                            boost::bind(&simple_wallet::print_fee_info, this, _1),
                            tr("Print the information about the current fee and transaction backlog."));
@@ -3901,6 +3914,7 @@ bool simple_wallet::handle_command_line(const boost::program_options::variables_
   m_do_not_relay                  = command_line::get_arg(vm, arg_do_not_relay);
   m_subaddress_lookahead          = command_line::get_arg(vm, arg_subaddress_lookahead);
   m_use_english_language_names    = command_line::get_arg(vm, arg_use_english_language_names);
+  m_long_payment_id_support       = command_line::get_arg(vm, arg_long_payment_id_support);
   m_restoring                     = !m_generate_from_view_key.empty() ||
                                     !m_generate_from_spend_key.empty() ||
                                     !m_generate_from_keys.empty() ||
@@ -4614,7 +4628,7 @@ void simple_wallet::on_money_received(uint64_t height, const crypto::hash &txid,
           tr("NOTE: this transaction uses an encrypted payment ID: consider using subaddresses instead");
       else if (get_payment_id_from_tx_extra_nonce(extra_nonce.nonce, payment_id))
         message_writer(console_color_red, false) <<
-          tr("WARNING: this transaction uses an unencrypted payment ID: consider using subaddresses instead");
+          (m_long_payment_id_support ? tr("WARNING: this transaction uses an unencrypted payment ID: consider using subaddresses instead.") : tr("WARNING: this transaction uses an unencrypted payment ID: these are obsolete. Support will be withdrawn in the future. Use subaddresses instead."));
    }
   }
   if (m_auto_refresh_refreshing)
@@ -5313,6 +5327,8 @@ bool simple_wallet::transfer_main(int transfer_type, const std::vector<std::stri
     bool r = true;
     if (tools::wallet2::parse_long_payment_id(payment_id_str, payment_id))
     {
+      LONG_PAYMENT_ID_SUPPORT_CHECK();
+
       std::string extra_nonce;
       set_payment_id_to_tx_extra_nonce(extra_nonce, payment_id);
       r = add_extra_nonce_to_tx_extra(extra, extra_nonce);
@@ -5423,6 +5439,7 @@ bool simple_wallet::transfer_main(int transfer_type, const std::vector<std::stri
       }
       else if (tools::wallet2::parse_payment_id(payment_id_uri, payment_id))
       {
+        LONG_PAYMENT_ID_SUPPORT_CHECK();
         set_payment_id_to_tx_extra_nonce(extra_nonce, payment_id);
         message_writer() << tr("Unencrypted payment IDs are bad for privacy: ask the recipient to use subaddresses instead");
       }
@@ -5444,7 +5461,7 @@ bool simple_wallet::transfer_main(int transfer_type, const std::vector<std::stri
   }
 
   // prompt is there is no payment id and confirmation is required
-  if (!payment_id_seen && m_wallet->confirm_missing_payment_id() && dsts.size() > num_subaddresses)
+  if (m_long_payment_id_support && !payment_id_seen && m_wallet->confirm_missing_payment_id() && dsts.size() > num_subaddresses)
   {
      std::string accepted = input_line(tr("No payment id is included with this transaction. Is this okay?  (Y/Yes/N/No): "));
      if (std::cin.eof())
@@ -5967,6 +5984,8 @@ bool simple_wallet::sweep_main(uint64_t below, bool locked, const std::vector<st
     bool r = tools::wallet2::parse_long_payment_id(payment_id_str, payment_id);
     if(r)
     {
+      LONG_PAYMENT_ID_SUPPORT_CHECK();
+
       std::string extra_nonce;
       set_payment_id_to_tx_extra_nonce(extra_nonce, payment_id);
       r = add_extra_nonce_to_tx_extra(extra, extra_nonce);
@@ -6011,7 +6030,7 @@ bool simple_wallet::sweep_main(uint64_t below, bool locked, const std::vector<st
   }
 
   // prompt is there is no payment id and confirmation is required
-  if (!payment_id_seen && m_wallet->confirm_missing_payment_id() && !info.is_subaddress)
+  if (m_long_payment_id_support && !payment_id_seen && m_wallet->confirm_missing_payment_id() && !info.is_subaddress)
   {
      std::string accepted = input_line(tr("No payment id is included with this transaction. Is this okay?  (Y/Yes/N/No): "));
      if (std::cin.eof())
@@ -6222,6 +6241,7 @@ bool simple_wallet::sweep_single(const std::vector<std::string> &args_)
     std::string extra_nonce;
     if (tools::wallet2::parse_long_payment_id(local_args.back(), payment_id))
     {
+      LONG_PAYMENT_ID_SUPPORT_CHECK();
       set_payment_id_to_tx_extra_nonce(extra_nonce, payment_id);
     }
     else
@@ -6279,7 +6299,7 @@ bool simple_wallet::sweep_single(const std::vector<std::string> &args_)
   }
 
   // prompt if there is no payment id and confirmation is required
-  if (!payment_id_seen && m_wallet->confirm_missing_payment_id() && !info.is_subaddress)
+  if (m_long_payment_id_support && !payment_id_seen && m_wallet->confirm_missing_payment_id() && !info.is_subaddress)
   {
      std::string accepted = input_line(tr("No payment id is included with this transaction. Is this okay?  (Y/Yes/N/No): "));
      if (std::cin.eof())
@@ -6495,6 +6515,7 @@ bool simple_wallet::accept_loaded_tx(const std::function<size_t()> get_num_txes,
           if (!payment_id_string.empty())
             payment_id_string += ", ";
           payment_id_string = std::string("unencrypted payment ID ") + epee::string_tools::pod_to_hex(payment_id);
+          payment_id_string += " (OBSOLETE)";
         }
       }
     }
@@ -8223,6 +8244,7 @@ bool simple_wallet::address_book(const std::vector<std::string> &args/* = std::v
     {
       if (tools::wallet2::parse_long_payment_id(args[3], payment_id))
       {
+        LONG_PAYMENT_ID_SUPPORT_CHECK();
         description_start += 2;
       }
       else if (tools::wallet2::parse_short_payment_id(args[3], info.payment_id))
@@ -8266,7 +8288,7 @@ bool simple_wallet::address_book(const std::vector<std::string> &args/* = std::v
       auto& row = address_book[i];
       success_msg_writer() << tr("Index: ") << i;
       success_msg_writer() << tr("Address: ") << get_account_address_as_str(m_wallet->nettype(), row.m_is_subaddress, row.m_address);
-      success_msg_writer() << tr("Payment ID: ") << row.m_payment_id;
+      success_msg_writer() << tr("Payment ID: ") << row.m_payment_id << " (OBSOLETE)";
       success_msg_writer() << tr("Description: ") << row.m_description << "\n";
     }
   }
@@ -8949,6 +8971,7 @@ int main(int argc, char* argv[])
   command_line::add_arg(desc_params, arg_create_address_file);
   command_line::add_arg(desc_params, arg_subaddress_lookahead);
   command_line::add_arg(desc_params, arg_use_english_language_names);
+  command_line::add_arg(desc_params, arg_long_payment_id_support);
 
   po::positional_options_description positional_options;
   positional_options.add(arg_command.name, -1);

src/simplewallet/simplewallet.h

@@ -398,6 +398,8 @@ namespace cryptonote
     bool m_auto_refresh_refreshing;
     std::atomic<bool> m_in_manual_refresh;
     uint32_t m_current_subaddress_account;
+
+    bool m_long_payment_id_support;
     
     // MMS
     mms::message_store& get_message_store() const { return m_wallet->get_message_store(); };