From a057da13f696647868a968e471a7e97b278ed5b4 Mon Sep 17 00:00:00 2001
From: moneroexamples <moneroexamples@tuta.io>
Date: Fri, 16 Jun 2017 14:01:06 +0800
Subject: [PATCH] get_alt_blocks added

---
 src/page.h       | 17 +++++++--------
 src/rpccalls.cpp | 54 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/rpccalls.h   |  3 +++
 3 files changed, 64 insertions(+), 10 deletions(-)

diff --git a/src/page.h b/src/page.h
index c2ad44d..c2f62ed 100644
--- a/src/page.h
+++ b/src/page.h
@@ -425,18 +425,15 @@ namespace xmreg
                     {"show_cache_times"         , show_cache_times}
             };
 
-            std::list<block> atl_blks;
+            vector<block_complete_entry> atl_blks;
 
-            if (core_storage->get_alternative_blocks(atl_blks))
-            {
-                for (const block& alt_blk: atl_blks)
-                {
-                    cout << "alt_blk tx: " << alt_blk.tx_hashes.size() << endl;
-                }
-            }
-            else
+            rpc.get_alt_blocks(atl_blks);
+
+            cout << "atl_blks.size(): " << atl_blks.size() << endl;
+
+            for (const block_complete_entry& alt_blk: atl_blks)
             {
-                cerr << "get_alternative_blocks(atl_blks) returned false" << endl;
+                cout << "alt_blk tx: " << alt_blk.txs.size() << endl;
             }
 
             context.emplace("txs", mstch::array()); // will keep tx to show
diff --git a/src/rpccalls.cpp b/src/rpccalls.cpp
index b366bb3..cd34f7c 100644
--- a/src/rpccalls.cpp
+++ b/src/rpccalls.cpp
@@ -208,6 +208,60 @@ rpccalls::get_network_info(COMMAND_RPC_GET_INFO::response& response)
     return true;
 }
 
+bool
+rpccalls::get_alt_blocks(vector<block_complete_entry>& alt_blocks)
+{
+    bool r {false};
+
+    COMMAND_RPC_GET_ALT_BLOCKS::request req;
+    COMMAND_RPC_GET_ALT_BLOCKS::response resp;
+
+    {
+        std::lock_guard<std::mutex> guard(m_daemon_rpc_mutex);
+
+        if (!connect_to_monero_deamon())
+        {
+            cerr << "get_mempool: not connected to deamon" << endl;
+            return false;
+        }
+
+        r = epee::net_utils::invoke_http_bin("/getaltblocks.bin",
+                                              req, resp,
+                                              m_http_client);
+    }
+
+    string err;
+
+    if (r)
+    {
+        if (resp.status == CORE_RPC_STATUS_BUSY)
+        {
+            err = "daemon is busy. Please try again later.";
+        }
+        else if (resp.status != CORE_RPC_STATUS_OK)
+        {
+            err = "daemon rpc failed. Please try again later.";
+        }
+
+        if (!err.empty())
+        {
+            cerr << "Error connecting to Monero deamon due to "
+                 << err << endl;
+            return false;
+        }
+    }
+    else
+    {
+        cerr << "Error connecting to Monero deamon at "
+             << deamon_url << endl;
+        return false;
+    }
+
+    alt_blocks = resp.blocks;
+
+    return true;
+}
+
 
 bool
 rpccalls::get_dynamic_per_kb_fee_estimate(
diff --git a/src/rpccalls.h b/src/rpccalls.h
index f0aefbc..f33c01c 100644
--- a/src/rpccalls.h
+++ b/src/rpccalls.h
@@ -52,6 +52,9 @@ public:
     bool
     get_network_info(COMMAND_RPC_GET_INFO::response& info);
 
+    bool
+    get_alt_blocks(vector<block_complete_entry>& alt_blocks);
+
     bool
     get_dynamic_per_kb_fee_estimate(
             uint64_t grace_blocks,