From e4d891abac2291b0ccc9f98efee9750684a10ed7 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sat, 10 Mar 2018 14:26:18 -0800
Subject: [PATCH] ircd::m: Remove duplicate exists(event_id) util.

---
 include/ircd/m/dbs.h |  3 ---
 ircd/m/dbs.cc        | 16 ----------------
 ircd/m/vm.cc         |  2 +-
 3 files changed, 1 insertion(+), 20 deletions(-)

diff --git a/include/ircd/m/dbs.h b/include/ircd/m/dbs.h
index 4cec9dbff..e766c1b26 100644
--- a/include/ircd/m/dbs.h
+++ b/include/ircd/m/dbs.h
@@ -47,9 +47,6 @@ namespace ircd::m::dbs
 	string_view state_root(const mutable_buffer &out, const id::event &);
 	string_view state_root(const mutable_buffer &out, const event &);
 
-	// [GET] Query suite
-	bool exists(const event::id &);
-
 	// [SET (txn)] Basic write suite
 	string_view write(db::txn &, const event &, const write_opts &);
 }
diff --git a/ircd/m/dbs.cc b/ircd/m/dbs.cc
index 4e3f99348..866ae17cb 100644
--- a/ircd/m/dbs.cc
+++ b/ircd/m/dbs.cc
@@ -407,22 +407,6 @@ ircd::m::dbs::state_root(const mutable_buffer &out,
 	return ret;
 }
 
-bool
-ircd::m::dbs::exists(const event::id &event_id)
-{
-	static constexpr auto idx
-	{
-		json::indexof<event, "event_id"_>()
-	};
-
-	auto &column
-	{
-		event_column.at(idx)
-	};
-
-	return has(column, event_id);
-}
-
 //
 // Database descriptors
 //
diff --git a/ircd/m/vm.cc b/ircd/m/vm.cc
index 27cf5eb13..69de7dff7 100644
--- a/ircd/m/vm.cc
+++ b/ircd/m/vm.cc
@@ -328,7 +328,7 @@ ircd::m::vm::_eval_pdu(eval &eval,
 		for(size_t i(0); i < prev_count; ++i)
 		{
 			const auto prev_id{prev.prev_event(i)};
-			if(opts.prev_check_exists && !dbs::exists(prev_id))
+			if(opts.prev_check_exists && !exists(prev_id))
 				throw error
 				{
 					fault::EVENT, "Missing prev event %s", string_view{prev_id}