Populate header.timestamp with chain::context.

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

@@ -139,20 +139,31 @@ TEMPLATE
 bool CLASS::get_context(system::chain::context& ctx,
     const header_link& link) const NOEXCEPT
 {
-    table::header::record_context header{};
+    table::header::record_context_timestamp header{};
     if (!store_.header.get(link, header))
         return false;
 
-    // Context for block/header.check and header.accept are filled from
-    // chain_state, not from the store.
+    // Context for header.check and header.accept are filled from chain_state.
+    // So these are not populated here as they are not expected to be used.
     ctx =
     {
-        header.ctx.flags,     // [block.check, block.accept & block.connect]
-        {},                   // [block.check] timestamp
-        header.ctx.mtp,       // [block.check, header.accept]
-        header.ctx.height,    // [block.check & block.accept]
-        {},                   // [header.accept] minimum_block_version
-        {}                    // [header.accept] work_required
+        // [block.check, .accept, .connect]
+        .flags = header.ctx.flags,
+
+        // [block.check]
+        .timestamp = header.timestamp,
+
+        // [block.check, header.accept]
+        .median_time_past = header.ctx.mtp,
+
+        // [block.check & block.accept]
+        .height = header.ctx.height
+
+        // [header.accept]
+        // .minimum_block_version
+
+        // [header.accept]
+        // .work_required
     };
 
     return true;

include/bitcoin/database/tables/archives/header.hpp

@@ -199,6 +199,21 @@ struct header
         context ctx{};
     };
 
+    struct record_context_timestamp
+      : public schema::header
+    {
+        inline bool from_data(reader& source) NOEXCEPT
+        {
+            context::from_data(source, ctx);
+            source.skip_bytes(link::size + sizeof(uint32_t));
+            timestamp = source.read_little_endian<uint32_t>();
+            return source;
+        }
+
+        context ctx{};
+        uint32_t timestamp{};
+    };
+
     struct get_flags
       : public schema::header
     {

test/query/properties_block.cpp

@@ -107,6 +107,9 @@ BOOST_AUTO_TEST_CASE(query_properties_block__get_context__genesis__default)
 
     system::chain::context chain_ctx{};
     BOOST_REQUIRE(query.get_context(chain_ctx, 0));
+    BOOST_REQUIRE_EQUAL(chain_ctx.timestamp, 0x495fab29_u32);
+
+    chain_ctx.timestamp = {};
     BOOST_REQUIRE(chain_ctx == system::chain::context{});
 }
 
@@ -147,7 +150,8 @@ BOOST_AUTO_TEST_CASE(query_properties_block__get_context__block1__expected)
     BOOST_REQUIRE(ctx == expected);
 
     system::chain::context chain_ctx{};
-    const system::chain::context chain_expected{ expected.flags, 0, expected.mtp, expected.height, 0, 0 };
+    constexpr auto expected_timestamp = 0x4966bc61_u32;
+    const system::chain::context chain_expected{ expected.flags, expected_timestamp, expected.mtp, expected.height, 0, 0 };
     BOOST_REQUIRE(query.get_context(chain_ctx, 1));
     BOOST_REQUIRE(chain_ctx == chain_expected);
 }