wallet: new option to start background mining

The setup-background-mining option can be used to select
background mining when a wallet loads. The user will be asked
the first time the wallet is created.

1 files changed, 56 insertions, 0 deletions

diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp
index f80263007..2a4514057 100644
--- a/src/wallet/wallet_rpc_server.cpp
+++ b/src/wallet/wallet_rpc_server.cpp
@@ -273,6 +273,8 @@ namespace tools
     m_auto_refresh_period = DEFAULT_AUTO_REFRESH_PERIOD;
     m_last_auto_refresh_time = boost::posix_time::min_date_time;
 
+    check_background_mining();
+
     m_net_server.set_threads_prefix("RPC");
     auto rng = [](size_t len, uint8_t *ptr) { return crypto::rand(len, ptr); };
     return epee::http_server_impl_base<wallet_rpc_server, connection_context>::init(
@@ -281,6 +283,60 @@ namespace tools
     );
   }
   //------------------------------------------------------------------------------------------------------------------------------
+  void wallet_rpc_server::check_background_mining()
+  {
+    if (!m_wallet)
+      return;
+
+    tools::wallet2::BackgroundMiningSetupType setup = m_wallet->setup_background_mining();
+    if (setup == tools::wallet2::BackgroundMiningNo)
+    {
+      MLOG_RED(el::Level::Warning, "Background mining not enabled. Run \"set setup-background-mining 1\" in monero-wallet-cli to change.");
+      return;
+    }
+
+    if (!m_wallet->is_trusted_daemon())
+    {
+      MDEBUG("Using an untrusted daemon, skipping background mining check");
+      return;
+    }
+
+    cryptonote::COMMAND_RPC_MINING_STATUS::request req;
+    cryptonote::COMMAND_RPC_MINING_STATUS::response res;
+    bool r = m_wallet->invoke_http_json("/mining_status", req, res);
+    if (!r || res.status != CORE_RPC_STATUS_OK)
+    {
+      MERROR("Failed to query mining status: " << (r ? res.status : "No connection to daemon"));
+      return;
+    }
+    if (res.active || res.is_background_mining_enabled)
+      return;
+
+    if (setup == tools::wallet2::BackgroundMiningMaybe)
+    {
+      MINFO("The daemon is not set up to background mine.");
+      MINFO("With background mining enabled, the daemon will mine when idle and not on batttery.");
+      MINFO("Enabling this supports the network you are using, and makes you eligible for receiving new monero");
+      MINFO("Set setup-background-mining to 1 in monero-wallet-cli to change.");
+      return;
+    }
+
+    cryptonote::COMMAND_RPC_START_MINING::request req2;
+    cryptonote::COMMAND_RPC_START_MINING::response res2;
+    req2.miner_address = m_wallet->get_account().get_public_address_str(m_wallet->nettype());
+    req2.threads_count = 1;
+    req2.do_background_mining = true;
+    req2.ignore_battery = false;
+    r = m_wallet->invoke_http_json("/start_mining", req2, res);
+    if (!r || res2.status != CORE_RPC_STATUS_OK)
+    {
+      MERROR("Failed to setup background mining: " << (r ? res.status : "No connection to daemon"));
+      return;
+    }
+
+    MINFO("Background mining enabled. The daemon will mine when idle and not on batttery.");
+  }
+  //------------------------------------------------------------------------------------------------------------------------------
   bool wallet_rpc_server::not_open(epee::json_rpc::error& er)
   {
       er.code = WALLET_RPC_ERROR_CODE_NOT_OPEN;