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fix: bind rated result to durable receipt

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This commit is contained in:
Josh Creek
2026-09-01 10:09:40 +01:00
parent dd80b52a11
commit 7a3d520608
2 changed files with 33 additions and 8 deletions
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server/store/result_sql.go
+3
View File
@@ -94,6 +94,9 @@ func CompleteResult(ctx context.Context, db *sql.DB, receipt domain.ResultReceip
}
func CompleteResultWithResult(ctx context.Context, db *sql.DB, receipt domain.ResultReceipt, serverID, eventID string, payload []byte, result domain.MatchResult, now time.Time) error {
if result.MatchID != receipt.MatchID || result.ServerID != serverID || result.ResultNonce != receipt.ResultNonce || result.IntegrityState != receipt.IntegrityState || domain.ResultDigest(result) != receipt.PayloadDigest {
return fmt.Errorf("result does not match receipt")
}
return completeResult(ctx, db, receipt, serverID, eventID, payload, now, &result)
}
server/store/result_sql_test.go
+30 -8
View File
@@ -1,16 +1,22 @@
package store
import "testing"
import (
"context"
"testing"
"time"
"github.com/cosmic-clash/cosmic-clash/server/domain"
)
func TestResultSQLPreservesReceiptConflictAndAtomicCommitBoundaries(t *testing.T) {
checks := map[string][]string{
ResultReceiptInsertSQL: {"ON CONFLICT DO NOTHING", "payload_digest", "integrity_state"},
ResultReceiptSelectSQL: {"FOR UPDATE", "committed_at"},
ResultCommitLockSQL: {"server_id = $2", "FOR UPDATE"},
ResultMatchCompleteSQL: {"state = 'RESULT_PENDING'", "revision = revision + 1"},
ResultReceiptCommitSQL: {"COALESCE(committed_at", "committed_at"},
ResultOutboxSQL: {"match_completed", "aggregate_id", "revision"},
RatingLockSQL: {"ORDER BY player_id", "FOR UPDATE"},
ResultReceiptInsertSQL: {"ON CONFLICT DO NOTHING", "payload_digest", "integrity_state"},
ResultReceiptSelectSQL: {"FOR UPDATE", "committed_at"},
ResultCommitLockSQL: {"server_id = $2", "FOR UPDATE"},
ResultMatchCompleteSQL: {"state = 'RESULT_PENDING'", "revision = revision + 1"},
ResultReceiptCommitSQL: {"COALESCE(committed_at", "committed_at"},
ResultOutboxSQL: {"match_completed", "aggregate_id", "revision"},
RatingLockSQL: {"ORDER BY player_id", "FOR UPDATE"},
MatchParticipantRatingsSQL: {"match_participants", "JOIN ratings", "ORDER BY mp.player_id"},
RatingValuesSQL: {"player_id = ANY($1)", "ORDER BY player_id"},
RatingUpdateSQL: {"ranked_games = ranked_games + $5", "revision = revision + 1"},
@@ -24,6 +30,22 @@ func TestResultSQLPreservesReceiptConflictAndAtomicCommitBoundaries(t *testing.T
}
}
func TestCompleteResultWithResultRejectsReceiptResultMismatchBeforeDatabaseUse(t *testing.T) {
now := time.Unix(100, 0).UTC()
result := domain.MatchResult{
MatchID: "match", ServerID: "server", ResultNonce: "nonce-1234567890123456",
Team0Score: 1, Team1Score: 0, IntegrityState: domain.IntegrityCertified,
}
receipt := domain.ResultReceipt{
ResultID: "result", MatchID: result.MatchID, ResultNonce: result.ResultNonce,
PayloadDigest: domain.ResultDigest(result), IntegrityState: result.IntegrityState, ReceivedAt: now,
}
result.Team0Score = 2
if err := CompleteResultWithResult(context.Background(), nil, receipt, "server", "event", []byte("payload"), result, now); err == nil {
t.Fatal("mismatched result was accepted")
}
}
func contains(value, fragment string) bool {
for i := 0; i+len(fragment) <= len(value); i++ {
if value[i:i+len(fragment)] == fragment {