Boss/Mod/OnchainFeeMonitor.cpp: Load initial data.

2026-08-17 13:07:24 +02:00 · 2020-11-19 15:00:58 +08:00 · 2020-11-19 15:00:58 +08:00 · ffdee43158
commit ffdee43158
parent 930059193f
3 changed files with 355 additions and 4 deletions
--- a/Boss/Mod/OnchainFeeMonitor.cpp
+++ b/Boss/Mod/OnchainFeeMonitor.cpp
@ -1,6 +1,7 @@
 #include"Boss/Mod/OnchainFeeMonitor.hpp"
 #include"Boss/Mod/Rpc.hpp"
 #include"Boss/Mod/Waiter.hpp"
+#include"Boss/Msg/DbResource.hpp"
 #include"Boss/Msg/Init.hpp"
 #include"Boss/Msg/OnchainFee.hpp"
 #include"Boss/Msg/ProvideStatus.hpp"
@ -61,6 +62,270 @@ UPDATE "OnchainFeeMonitor_meanfee"
     ;
 )QRY";

+/* Initial data we will load into OnchainFeeMonitor_samples,
+ * so that new users have something reasonable to start out
+ * with.  */
+std::uint32_t const initial_sample_data[] =
+{ 10429, 10430, 9967, 9968, 9968, 9969, 9969, 9969
+, 9970, 9970, 9972, 9972, 9972, 9972, 9972, 9972
+, 12541, 11444, 11444, 9973, 9974, 9178, 8155, 7475
+, 7475, 7475, 7475, 12551, 11478, 11478, 11478, 8154
+, 8154, 7441, 7444, 7444, 7444, 7444, 9996, 10397
+, 11500, 11497, 11497, 11497, 11497, 14722, 14722, 14722
+, 16278, 16278, 16278, 17007, 17000, 17000, 16295, 16295
+, 16295, 16295, 16295, 16999, 16999, 16992, 16994, 16992
+, 16997, 16997, 16997, 16997, 16316, 16315, 16316, 16315
+, 16315, 16317, 16316, 16316, 16317, 16318, 16318, 16317
+, 16317, 14685, 12584, 12578, 12578, 12578, 12578, 12578
+, 12578, 16331, 16331, 12579, 12578, 12578, 12576, 12572
+, 12567, 12567, 12564, 12562, 12562, 10976, 10976, 10976
+, 10976, 10976, 10976, 10976, 10976, 10976, 10976, 10976
+, 10976, 10976, 10976, 10976, 10976, 10975, 10976, 10965
+, 10961, 10961, 10961, 10964, 10964, 10964, 9430, 9031
+, 9031, 9031, 9031, 9031, 9031, 6761, 6765, 6765
+, 6765, 6774, 6775, 6774, 6774, 6776, 6777, 6777
+, 6777, 8181, 8181, 8181, 8181, 12613, 12611, 10385
+, 9005, 6787, 6787, 5020, 5020, 5020, 5020, 5020
+, 12588, 31960, 31950, 31940, 31937, 31956, 31956, 31981
+, 30795, 30794, 30794, 30794, 30774, 30774, 30767, 30767
+, 30767, 30767, 30779, 30687, 30687, 30687, 30687, 30687
+, 30687, 33702, 33702, 70656, 70654, 70654, 70654, 70654
+, 70654, 74397, 74397, 74397, 74394, 74394, 74391, 74391
+, 74396, 74396, 74390, 74386, 74386, 70461, 70468, 70471
+, 70479, 70479, 70487, 70500, 70502, 70502, 70531, 70531
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+, 70563, 70563, 70563, 70563, 70563, 70563, 70564, 70564
+, 70606, 70611, 66590, 66590, 70636, 66609, 66610, 66610
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+, 11031, 11030, 5272, 4781, 3963, 3764, 3550, 3550
+, 3764, 8661, 8661, 12633, 12640, 12659, 12660, 12659
+};
+
+static_assert( num_samples == ( sizeof(initial_sample_data)
+			      / sizeof(initial_sample_data[0])
+			      )
+	     , "initial_sample_data number of entries must equal num_samples"
+	     );
+
 }

 namespace Boss { namespace Mod {
@ -76,16 +341,21 @@ private:
 	std::unique_ptr<double> last_feerate;

 	void start() {
-		bus.subscribe<Msg::Init>([this](Msg::Init const& ini) {
-			rpc = &ini.rpc;
-			db = ini.db;
+		bus.subscribe<Msg::DbResource
+			     >([this](Msg::DbResource const& m) {
+			db = m.db;
 			/* Set up table if not yet present.  */
 			return db.transact().then([this](Sqlite3::Tx tx) {
 				tx.query_execute(initialization);
+				initialize_sample_data(tx);
 				tx.commit();
-				return Boss::concurrent(on_init());
+				return Ev::lift();
 			});
 		});
+		bus.subscribe<Msg::Init>([this](Msg::Init const& ini) {
+			rpc = &ini.rpc;
+			return Boss::concurrent(on_init());
+		});
 		bus.subscribe<Msg::Timer10Minutes>([this](Msg::Timer10Minutes const&) {
 			return on_timer();
 		});
@ -125,6 +395,25 @@ private:
 			});
 		});
 	}
+	void initialize_sample_data(Sqlite3::Tx& tx) {
+		auto cnt = tx.query(R"QRY(
+		SELECT COUNT(*) FROM "OnchainFeeMonitor_samples";
+		)QRY").execute();
+		auto count = std::size_t();
+		for (auto& r : cnt)
+			count = r.get<std::size_t>(0);
+		if (count >= num_samples)
+			return;
+		for (auto i = count; i < num_samples; ++i) {
+			tx.query(R"QRY(
+			INSERT INTO "OnchainFeeMonitor_samples"(data)
+			VALUES(:data);
+			)QRY")
+				.bind(":data", initial_sample_data[i])
+				.execute()
+				;
+		}
+	}

 	Ev::Io<void> on_init() {
 		auto saved_feerate = std::make_shared<double>();
--- a/Makefile.am
+++ b/Makefile.am
@ -457,6 +457,7 @@ TESTS = \
 	tests/boss/test_channelcreationdecider \
 	tests/boss/test_channelcreator_planner \
 	tests/boss/test_needsconnectsolicitor \
+	tests/boss/test_onchainfeemonitor_samples_init \
 	tests/boss/test_peerstatistician \
 	tests/boss/test_reqresp \
 	tests/boss/test_rpc \
--- a/tests/boss/test_onchainfeemonitor_samples_init.cpp
+++ b/tests/boss/test_onchainfeemonitor_samples_init.cpp
@ -0,0 +1,61 @@
+#undef NDEBUG
+#include"Boss/Mod/OnchainFeeMonitor.hpp"
+#include"Boss/Mod/Waiter.hpp"
+#include"Boss/Msg/DbResource.hpp"
+#include"Ev/Io.hpp"
+#include"Ev/start.hpp"
+#include"S/Bus.hpp"
+#include"Sqlite3.hpp"
+#include<assert.h>
+#include<stdlib.h>
+
+int main() {
+	auto db = Sqlite3::Db(":memory:");
+
+	auto bus = S::Bus();
+	Boss::Mod::Waiter waiter(bus);
+	auto omon = Boss::Mod::OnchainFeeMonitor(bus, waiter);
+
+	auto code = Ev::lift().then([&]() {
+
+		/* Initialize.  */
+		auto msg = Boss::Msg::DbResource{db};
+		return bus.raise(msg);
+	}).then([&]() {
+
+		return db.transact();
+	}).then([&](Sqlite3::Tx tx) {
+		auto samples = std::size_t();
+		auto cnt = tx.query(R"QRY(
+		SELECT COUNT(*) FROM "OnchainFeeMonitor_samples";
+		)QRY")
+			.execute();
+		for (auto& r : cnt)
+			samples = r.get<std::size_t>(0);
+		tx.commit();
+
+		assert(samples == 2016);
+
+		/* Check if repetition of DbResource is still 2016.  */
+		auto msg = Boss::Msg::DbResource{db};
+		return bus.raise(msg);
+	}).then([&]() {
+
+		return db.transact();
+	}).then([&](Sqlite3::Tx tx) {
+		auto samples = std::size_t();
+		auto cnt = tx.query(R"QRY(
+		SELECT COUNT(*) FROM "OnchainFeeMonitor_samples";
+		)QRY")
+			.execute();
+		for (auto& r : cnt)
+			samples = r.get<std::size_t>(0);
+		tx.commit();
+
+		assert(samples == 2016);
+
+		return Ev::lift(0);
+	});
+
+	return Ev::start(code);
+}