simplewallet: new command to generate a random payment id

This is trivial, but often requested, and possibly hard to do
in Windows. That makes it more user friendly.

2 files changed, 15 insertions, 0 deletions

diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 87dbcf513..092ddbbda 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -398,6 +398,19 @@ bool simple_wallet::change_password(const std::vector<std::string> &args)
   return true;
 }
 
+bool simple_wallet::payment_id(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
+{
+  crypto::hash payment_id;
+  if (args.size() > 0)
+  {
+    fail_msg_writer() << tr("usage: payment_id");
+    return true;
+  }
+  payment_id = crypto::rand<crypto::hash>();
+  success_msg_writer() << tr("Random payment ID: ") << payment_id;
+  return true;
+}
+
 bool simple_wallet::set_always_confirm_transfers(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
 {
   const auto pwd_container = get_and_verify_password();
@@ -715,6 +728,7 @@ simple_wallet::simple_wallet()
   m_cmd_binder.set_handler("import_outputs", boost::bind(&simple_wallet::import_outputs, this, _1), tr("Import set of outputs owned by this wallet"));
   m_cmd_binder.set_handler("show_transfer", boost::bind(&simple_wallet::show_transfer, this, _1), tr("Show information about a transfer to/from this address"));
   m_cmd_binder.set_handler("password", boost::bind(&simple_wallet::change_password, this, _1), tr("Change wallet password"));
+  m_cmd_binder.set_handler("payment_id", boost::bind(&simple_wallet::payment_id, this, _1), tr("Generate a new random full size payment id - these will be unencrypted on the blockchain, see integrated_address for encrypted short payment ids"));
   m_cmd_binder.set_handler("help", boost::bind(&simple_wallet::help, this, _1), tr("Show this help"));
 }
 //----------------------------------------------------------------------------------------------------
diff --git a/src/simplewallet/simplewallet.h b/src/simplewallet/simplewallet.h
index 1b58ff32a..edef47e01 100644
--- a/src/simplewallet/simplewallet.h
+++ b/src/simplewallet/simplewallet.h
@@ -170,6 +170,7 @@ namespace cryptonote
     bool import_outputs(const std::vector<std::string> &args);
     bool show_transfer(const std::vector<std::string> &args);
     bool change_password(const std::vector<std::string>& args);
+    bool payment_id(const std::vector<std::string> &args);
 
     uint64_t get_daemon_blockchain_height(std::string& err);
     bool try_connect_to_daemon(bool silent = false, uint32_t* version = nullptr);