Add to_confirmed(tx_hash), stub to_confirmed_spender(point).

Author: evoskuil

include/bitcoin/database/impl/query/translate.ipp

@@ -196,7 +196,6 @@ header_link CLASS::to_strong(const hash_digest& tx_hash) const NOEXCEPT
 
     return {};
 }
-
 TEMPLATE
 header_link CLASS::to_parent(const header_link& link) const NOEXCEPT
 {
@@ -208,6 +207,27 @@ header_link CLASS::to_parent(const header_link& link) const NOEXCEPT
     return header.parent_fk;
 }
 
+// to confirmed objects (reverse navigation)
+// ----------------------------------------------------------------------------
+
+TEMPLATE
+header_link CLASS::to_confirmed_block(
+    const hash_digest& tx_hash) const NOEXCEPT
+{
+    const auto block = to_strong(tx_hash);
+    if (!is_confirmed_block(block))
+        return {};
+
+    return block;
+}
+
+TEMPLATE
+point_link CLASS::to_confirmed_spender(const point&) const NOEXCEPT
+{
+    // TODO: implement.
+    return {};
+}
+
 // output to spenders (reverse navigation)
 // ----------------------------------------------------------------------------
 

include/bitcoin/database/query.hpp

@@ -291,6 +291,10 @@ class query
     header_link to_strong(const hash_digest& tx_hash) const NOEXCEPT;
     header_link to_parent(const header_link& link) const NOEXCEPT;
 
+    /// to confirmed objects (reverse navigation)
+    header_link to_confirmed_block(const hash_digest& tx_hash) const NOEXCEPT;
+    point_link to_confirmed_spender(const point& prevout) const NOEXCEPT;
+
     /// output to spenders (reverse navigation)
     point_links to_spenders(const point& prevout) const NOEXCEPT;
     point_links to_spenders(const output_link& link) const NOEXCEPT;