Make chaser strand() and stranded() virtual.

Author: evoskuil

include/bitcoin/node/chasers/chaser.hpp

@@ -107,6 +107,15 @@ class BCN_API chaser
     virtual void notify_one(object_key key, const code& ec, chase event_,
         event_value value) const NOEXCEPT;
 
+    /// Strand.
+    /// -----------------------------------------------------------------------
+
+    /// The chaser's strand (on the network threadpool).
+    virtual network::asio::strand& strand() NOEXCEPT;
+
+    /// True if the current thread is on the chaser strand.
+    virtual bool stranded() const NOEXCEPT;
+
     /// Properties.
     /// -----------------------------------------------------------------------
 
@@ -116,12 +125,6 @@ class BCN_API chaser
     /// Thread safe synchronous archival interface.
     query& archive() const NOEXCEPT;
 
-    /// The chaser's strand.
-    network::asio::strand& strand() NOEXCEPT;
-
-    /// True if the current thread is on the chaser strand.
-    bool stranded() const NOEXCEPT;
-
     /// Top candidate is within configured span from current time.
     bool is_current() const NOEXCEPT;
 

src/chasers/chaser.cpp

@@ -102,27 +102,30 @@ void chaser::notify_one(object_key key, const code& ec, chase event_,
     node_.notify_one(key, ec, event_, value);
 }
 
-// Properties.
+// Strand.
 // ----------------------------------------------------------------------------
 
-const node::configuration& chaser::config() const NOEXCEPT
+asio::strand& chaser::strand() NOEXCEPT
 {
-    return node_.config();
+    return strand_;
 }
 
-query& chaser::archive() const NOEXCEPT
+bool chaser::stranded() const NOEXCEPT
 {
-    return node_.archive();
+    return strand_.running_in_this_thread();
 }
 
-asio::strand& chaser::strand() NOEXCEPT
+// Properties.
+// ----------------------------------------------------------------------------
+
+const node::configuration& chaser::config() const NOEXCEPT
 {
-    return strand_;
+    return node_.config();
 }
 
-bool chaser::stranded() const NOEXCEPT
+query& chaser::archive() const NOEXCEPT
 {
-    return strand_.running_in_this_thread();
+    return node_.archive();
 }
 
 bool chaser::is_current() const NOEXCEPT