From d64e5aa71936d86f91d3f45a9da0468f97078409 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Thu, 31 Oct 2019 14:09:19 +0000
Subject: wallet: allow message sign/verify for subaddresses

---
 src/simplewallet/simplewallet.cpp | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

(limited to 'src/simplewallet/simplewallet.cpp')

diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 03693a57c..23452b0ca 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -214,7 +214,7 @@ namespace
   const char* USAGE_GET_TX_NOTE("get_tx_note <txid>");
   const char* USAGE_GET_DESCRIPTION("get_description");
   const char* USAGE_SET_DESCRIPTION("set_description [free text note]");
-  const char* USAGE_SIGN("sign <filename>");
+  const char* USAGE_SIGN("sign [<account_index>,<address_index>] <filename>");
   const char* USAGE_VERIFY("verify <filename> <address> <signature>");
   const char* USAGE_EXPORT_KEY_IMAGES("export_key_images [all] <filename>");
   const char* USAGE_IMPORT_KEY_IMAGES("import_key_images <filename>");
@@ -3356,7 +3356,7 @@ simple_wallet::simple_wallet()
   m_cmd_binder.set_handler("sign",
                            boost::bind(&simple_wallet::on_command, this, &simple_wallet::sign, _1),
                            tr(USAGE_SIGN),
-                           tr("Sign the contents of a file."));
+                           tr("Sign the contents of a file with the given subaddress (or the main address if not specified)"));
   m_cmd_binder.set_handler("verify",
                            boost::bind(&simple_wallet::on_command, this, &simple_wallet::verify, _1),
                            tr(USAGE_VERIFY),
@@ -9593,7 +9593,7 @@ bool simple_wallet::sign(const std::vector<std::string> &args)
     fail_msg_writer() << tr("command not supported by HW wallet");
     return true;
   }
-  if (args.size() != 1)
+  if (args.size() != 1 && args.size() != 2)
   {
     PRINT_USAGE(USAGE_SIGN);
     return true;
@@ -9609,7 +9609,20 @@ bool simple_wallet::sign(const std::vector<std::string> &args)
     return true;
   }
 
-  std::string filename = args[0];
+  subaddress_index index{0, 0};
+  if (args.size() == 2)
+  {
+    unsigned int a, b;
+    if (sscanf(args[0].c_str(), "%u,%u", &a, &b) != 2)
+    {
+      fail_msg_writer() << tr("Invalid subaddress index format");
+      return true;
+    }
+    index.major = a;
+    index.minor = b;
+  }
+
+  const std::string &filename = args.back();
   std::string data;
   bool r = m_wallet->load_from_file(filename, data);
   if (!r)
@@ -9620,7 +9633,7 @@ bool simple_wallet::sign(const std::vector<std::string> &args)
 
   SCOPED_WALLET_UNLOCK();
 
-  std::string signature = m_wallet->sign(data);
+  std::string signature = m_wallet->sign(data, index);
   success_msg_writer() << signature;
   return true;
 }
-- 
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