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fix(multiplayer): complete live results atomically

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This commit is contained in:
Josh Creek
2026-09-03 13:29:31 +01:00
parent 8c28374eb4
commit 2e9da3032c
6 changed files with 112 additions and 8 deletions
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server/store/postgres_integration_test.go
+8 -1
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@@ -1267,7 +1267,7 @@ func TestPostgreSQLConcurrentIdenticalResultSubmissionAppliesRatingsExactlyOnce(
t.Fatal(err)
}
}
if _, err := db.ExecContext(ctx, `INSERT INTO matches (match_id, playlist, state, region, protocol_version, server_id) VALUES ('result-race-match', 'casual', 'RESULT_PENDING', 'NA', 1, 'result-race-server')`); err != nil {
if _, err := db.ExecContext(ctx, `INSERT INTO matches (match_id, playlist, state, region, protocol_version, server_id) VALUES ('result-race-match', 'casual', 'LIVE', 'NA', 1, 'result-race-server')`); err != nil {
t.Fatal(err)
}
if _, err := db.ExecContext(ctx, `INSERT INTO queue_tickets (ticket_id, player_id, playlist, state, client_build, protocol_version, enqueued_at, expires_at) VALUES ('result-race-ticket-w', 'result-race-winner', 'casual', 'LIVE', 'build-1', 1, $1, $2), ('result-race-ticket-l', 'result-race-loser', 'casual', 'LIVE', 'build-1', 1, $1, $2)`, now, now.Add(time.Minute)); err != nil {
@@ -1306,6 +1306,13 @@ func TestPostgreSQLConcurrentIdenticalResultSubmissionAppliesRatingsExactlyOnce(
if state != "COMPLETED" {
t.Fatalf("match state = %s, want COMPLETED", state)
}
var completedTickets int
if err := db.QueryRow(`SELECT count(*) FROM queue_tickets WHERE ticket_id IN ('result-race-ticket-w', 'result-race-ticket-l') AND state = 'COMPLETED'`).Scan(&completedTickets); err != nil {
t.Fatal(err)
}
if completedTickets != 2 {
t.Fatalf("completed tickets = %d, want 2", completedTickets)
}
var winnerGames, loserGames int
var winnerRating, loserRating float64
if err := db.QueryRow(`SELECT ranked_games, rating FROM ratings WHERE player_id = 'result-race-winner'`).Scan(&winnerGames, &winnerRating); err != nil {