diff --git a/include/ircd/m/event/auth.h b/include/ircd/m/event/auth.h
index f23c9b76c..f8d322a05 100644
--- a/include/ircd/m/event/auth.h
+++ b/include/ircd/m/event/auth.h
@@ -51,7 +51,8 @@ struct ircd::m::event::auth::refs
 
 struct ircd::m::event::auth::chain
 {
-	using closure_bool = std::function<bool (const event::idx &, const event &)>;
+	using closure_bool = event::closure_idx_bool;
+	using closure = event::closure_idx;
 
 	event::idx idx;
 
@@ -59,6 +60,8 @@ struct ircd::m::event::auth::chain
 
   public:
 	bool for_each(const closure_bool &) const;
+	bool for_each(const closure &) const;
+
 	bool has(const string_view &type) const noexcept;
 	size_t depth() const noexcept;
 
diff --git a/ircd/m_event.cc b/ircd/m_event.cc
index 7a20b9560..6e80762dc 100644
--- a/ircd/m_event.cc
+++ b/ircd/m_event.cc
@@ -1433,10 +1433,9 @@ ircd::m::event::auth::chain::depth()
 const noexcept
 {
 	size_t ret(0);
-	for_each([&ret](const auto &, const auto &)
+	for_each([&ret](const auto &)
 	{
 		++ret;
-		return true;
 	});
 
 	return ret;
@@ -1447,16 +1446,33 @@ ircd::m::event::auth::chain::has(const string_view &type)
 const noexcept
 {
 	bool ret(false);
-	for_each([&type, &ret]
-	(const auto &, const auto &event)
+	for_each(closure_bool{[&type, &ret]
+	(const auto &idx)
 	{
-		ret = type == json::get<"type"_>(event);
+		m::get(std::nothrow, idx, "type", [&type, &ret]
+		(const auto &value)
+		{
+			ret = value == type;
+		});
+
 		return !ret;
-	});
+	}});
 
 	return ret;
 }
 
+bool
+ircd::m::event::auth::chain::for_each(const closure &closure)
+const
+{
+	return for_each(closure_bool{[&closure]
+	(const auto &idx)
+	{
+		closure(idx);
+		return true;
+	}});
+}
+
 bool
 ircd::m::event::auth::chain::for_each(const closure_bool &closure)
 const
diff --git a/modules/console.cc b/modules/console.cc
index f6091acec..c73c92551 100644
--- a/modules/console.cc
+++ b/modules/console.cc
@@ -5939,13 +5939,18 @@ console_cmd__event__auth(opt &out, const string_view &line)
 		m::index(event_id)
 	};
 
-	ac.for_each([&out](const auto &idx, const auto &event)
+	ac.for_each([&out](const auto &idx)
 	{
-		out << idx
-		    << " " << pretty_oneline(event)
-		    << std::endl;
+		const m::event::fetch event
+		{
+			idx, std::nothrow
+		};
 
-		return true;
+		out << idx;
+		if(event.valid)
+			out << " " << pretty_oneline(event);
+
+		out << std::endl;
 	});
 
 	return true;
diff --git a/modules/federation/event_auth.cc b/modules/federation/event_auth.cc
index d3d880895..a83a037b9 100644
--- a/modules/federation/event_auth.cc
+++ b/modules/federation/event_auth.cc
@@ -96,11 +96,12 @@ get__event_auth(client &client,
 		m::index(event_id)
 	};
 
-	chain.for_each([&auth_chain]
-	(const m::event::idx &event_idx, const m::event &event)
+	m::event::fetch event;
+	chain.for_each([&auth_chain, &event]
+	(const m::event::idx &event_idx)
 	{
-		auth_chain.append(event);
-		return true;
+		if(seek(event, event_idx, std::nothrow))
+			auth_chain.append(event);
 	});
 
 	return {};
diff --git a/modules/m_event.cc b/modules/m_event.cc
index 8207d56b3..9b37ba81d 100644
--- a/modules/m_event.cc
+++ b/modules/m_event.cc
@@ -598,13 +598,8 @@ ircd::m::event::auth::chain::for_each(const auth::chain &c,
 	while(!aq.empty());
 
 	for(const auto &idx : ae)
-	{
-		if(!seek(e, idx, std::nothrow))
-			continue;
-
-		if(!closure(idx, e))
+		if(!closure(idx))
 			return false;
-	}
 
 	return true;
 }