From 2ba14ed395fddcc4c40949d16b38cd3244a55793 Mon Sep 17 00:00:00 2001
From: Colin LeMahieu <clemahieu@gmail.com>
Date: Mon, 19 Aug 2024 15:06:17 +0100
Subject: [PATCH] Add test to verify the "unopened" rpc can seek past the
 requested account

---
 nano/rpc_test/rpc.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/nano/rpc_test/rpc.cpp b/nano/rpc_test/rpc.cpp
index 1708a36ff1..0cac9cba63 100644
--- a/nano/rpc_test/rpc.cpp
+++ b/nano/rpc_test/rpc.cpp
@@ -5554,6 +5554,28 @@ TEST (rpc, unopened)
 		ASSERT_EQ (1, accounts.size ());
 		ASSERT_EQ ("1", accounts.get<std::string> (account1.to_account ()));
 	}
+	{
+		// using count=1 and a known unopened account1 number should get a single result
+		boost::property_tree::ptree request;
+		request.put ("action", "unopened");
+		request.put ("count", "1");
+		request.put ("account", account1.to_account());
+		auto response (wait_response (system, rpc_ctx, request));
+		auto & accounts (response.get_child ("accounts"));
+		ASSERT_EQ (1, accounts.size ());
+		ASSERT_EQ ("1", accounts.get<std::string> (account1.to_account ()));
+	}
+	{
+		// using count=1 and a known unopened account2 number should get a single result
+		boost::property_tree::ptree request;
+		request.put ("action", "unopened");
+		request.put ("count", "1");
+		request.put ("account", account2.to_account());
+		auto response (wait_response (system, rpc_ctx, request));
+		auto & accounts (response.get_child ("accounts"));
+		ASSERT_EQ (1, accounts.size ());
+		ASSERT_EQ ("10", accounts.get<std::string> (account2.to_account ()));
+	}
 	{
 		// using threshold at 5 should get a single result
 		boost::property_tree::ptree request;
@@ -5566,6 +5588,31 @@ TEST (rpc, unopened)
 	}
 }
 
+// Check that the "unopened" RPC can seek
+// Request unopened for the genesis account while there in an unopened account with the max account number
+TEST (rpc, unopened_seek)
+{
+	nano::test::system system;
+	auto node = add_ipc_enabled_node (system);
+	system.wallet (0)->insert_adhoc (nano::dev::genesis_key.prv);
+	nano::account last_account{ std::numeric_limits<nano::uint256_t>::max () };
+	auto genesis (node->latest (nano::dev::genesis_key.pub));
+	ASSERT_FALSE (genesis.is_zero ());
+	auto send (system.wallet (0)->send_action (nano::dev::genesis_key.pub, last_account, 1));
+	ASSERT_NE (nullptr, send);
+	auto const rpc_ctx = add_rpc (system, node);
+	{
+		boost::property_tree::ptree request;
+		request.put ("action", "unopened");
+		request.put ("count", "1");
+		request.put ("account", nano::dev::genesis_key.pub.to_account());
+		auto response (wait_response (system, rpc_ctx, request));
+		auto & accounts (response.get_child ("accounts"));
+		ASSERT_EQ (1, accounts.size ());
+		ASSERT_EQ ("1", accounts.get<std::string> (last_account.to_account ()));
+	}
+}
+
 TEST (rpc, unopened_burn)
 {
 	nano::test::system system;