From 30c44bce0627260134d3606a9a6d0b453aad763d Mon Sep 17 00:00:00 2001
From: stoffu <stoffu@protonmail.ch>
Date: Mon, 15 Jan 2018 12:05:16 +0900
Subject: wallet: automatically use low priority if safe (no backlog & recent
 blocks not full)

---
 src/simplewallet/simplewallet.cpp | 39 +++++++++++++++++++++++++++------------
 1 file changed, 27 insertions(+), 12 deletions(-)

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

diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 987c8b286..a6cef1bb9 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -1519,6 +1519,19 @@ bool simple_wallet::set_refresh_from_block_height(const std::vector<std::string>
   return true;
 }
 
+bool simple_wallet::set_auto_low_priority(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
+{
+  const auto pwd_container = get_and_verify_password();
+  if (pwd_container)
+  {
+    parse_bool_and_use(args[1], [&](bool r) {
+      m_wallet->auto_low_priority(r);
+      m_wallet->rewrite(m_wallet_file, pwd_container->password());
+    });
+  }
+  return true;
+}
+
 bool simple_wallet::help(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
 {
   if(args.empty())
@@ -1691,7 +1704,9 @@ simple_wallet::simple_wallet()
                                   "confirm-backlog-threshold [n]\n "
                                   "  Set a threshold for confirm-backlog to only warn if the transaction backlog is greater than n blocks.\n "
                                   "refresh-from-block-height [n]\n "
-                                  "  Set the height before which to ignore blocks."));
+                                  "  Set the height before which to ignore blocks.\n "
+                                  "auto-low-priority <1|0>\n "
+                                  "  Whether to automatically use the low priority fee level when it's safe to do so."));
   m_cmd_binder.set_handler("encrypted_seed",
                            boost::bind(&simple_wallet::encrypted_seed, this, _1),
                            tr("Display the encrypted Electrum-style mnemonic seed."));
@@ -1858,6 +1873,7 @@ bool simple_wallet::set_variable(const std::vector<std::string> &args)
     success_msg_writer() << "confirm-backlog-threshold = " << m_wallet->get_confirm_backlog_threshold();
     success_msg_writer() << "confirm-export-overwrite = " << m_wallet->confirm_export_overwrite();
     success_msg_writer() << "refresh-from-block-height = " << m_wallet->get_refresh_from_block_height();
+    success_msg_writer() << "auto-low-priority = " << m_wallet->auto_low_priority();
     return true;
   }
   else
@@ -1907,6 +1923,7 @@ bool simple_wallet::set_variable(const std::vector<std::string> &args)
     CHECK_SIMPLE_VARIABLE("confirm-backlog-threshold", set_confirm_backlog_threshold, tr("unsigned integer"));
     CHECK_SIMPLE_VARIABLE("confirm-export-overwrite", set_confirm_export_overwrite, tr("0 or 1"));
     CHECK_SIMPLE_VARIABLE("refresh-from-block-height", set_refresh_from_block_height, tr("block height"));
+    CHECK_SIMPLE_VARIABLE("auto-low-priority", set_auto_low_priority, tr("0 or 1"));
   }
   fail_msg_writer() << tr("set: unrecognized argument(s)");
   return true;
@@ -3667,6 +3684,8 @@ bool simple_wallet::transfer_main(int transfer_type, const std::vector<std::stri
   if (local_args.size() > 0 && parse_priority(local_args[0], priority))
     local_args.erase(local_args.begin());
 
+  priority = m_wallet->adjust_priority(priority);
+
   size_t fake_outs_count = 0;
   if(local_args.size() > 0) {
     size_t ring_size;
@@ -4144,6 +4163,8 @@ bool simple_wallet::sweep_main(uint64_t below, const std::vector<std::string> &a
   if (local_args.size() > 0 && parse_priority(local_args[0], priority))
     local_args.erase(local_args.begin());
 
+  priority = m_wallet->adjust_priority(priority);
+
   size_t fake_outs_count = 0;
   if(local_args.size() > 0) {
     size_t ring_size;
@@ -4356,17 +4377,11 @@ bool simple_wallet::sweep_single(const std::vector<std::string> &args_)
 
   std::vector<std::string> local_args = args_;
 
-  int priority = 0;
-  if(local_args.size() > 0) {
-    auto priority_pos = std::find(
-      allowed_priority_strings.begin(),
-      allowed_priority_strings.end(),
-      local_args[0]);
-    if(priority_pos != allowed_priority_strings.end()) {
-      local_args.erase(local_args.begin());
-      priority = std::distance(allowed_priority_strings.begin(), priority_pos);
-    }
-  }
+  uint32_t priority = 0;
+  if (local_args.size() > 0 && parse_priority(local_args[0], priority))
+    local_args.erase(local_args.begin());
+
+  priority = m_wallet->adjust_priority(priority);
 
   size_t fake_outs_count = 0;
   if(local_args.size() > 0) {
-- 
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