wallet2_api: added Wallet::daemonBlockChainHeight()

1 files changed, 29 insertions, 1 deletions

diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 3d4f93aff..07b305b4c 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -4050,7 +4050,35 @@ std::string wallet2::get_keys_file() const
 
 std::string wallet2::get_daemon_address() const
 {
-  return m_daemon_address;
+    return m_daemon_address;
+}
+
+uint64_t wallet2::get_daemon_blockchain_height(string &err)
+{
+    // XXX: DRY violation. copy-pasted from simplewallet.cpp:get_daemon_blockchain_height()
+    //      consider to move it from simplewallet to wallet2 ?
+    COMMAND_RPC_GET_HEIGHT::request req;
+    COMMAND_RPC_GET_HEIGHT::response res = boost::value_initialized<COMMAND_RPC_GET_HEIGHT::response>();
+    m_daemon_rpc_mutex.lock();
+    bool ok = net_utils::invoke_http_json_remote_command2(m_daemon_address + "/getheight", req, res, m_http_client);
+    m_daemon_rpc_mutex.unlock();
+    // XXX: DRY violation. copy-pasted from simplewallet.cpp:interpret_rpc_response()
+    if (ok)
+    {
+      if (res.status == CORE_RPC_STATUS_BUSY)
+      {
+        err = "daemon is busy. Please try again later.";
+      }
+      else if (res.status != CORE_RPC_STATUS_OK)
+      {
+        err = res.status;
+      }
+    }
+    else
+    {
+      err = "possibly lost connection to daemon";
+    }
+    return res.height;
 }
 
 void wallet2::set_tx_note(const crypto::hash &txid, const std::string &note)