fix: make slot payout and stake resolution one durable save

1 files changed, 34 insertions, 2 deletions

diff --git a/internal/game/wallet_test.go b/internal/game/wallet_test.go
index 218ce36..f20f96f 100644
--- a/internal/game/wallet_test.go
+++ b/internal/game/wallet_test.go
@@ -96,9 +96,9 @@ func TestWagerDebitsDurablyAndLeavesPendingStake(t *testing.T) {
 		t.Fatalf("durable state after wager = credits %d, pending %+v; want 90 and one stake", loaded.Credits, loaded.PendingWagers)
 	}
 
-	// A settlement that covers the stake credits and clears it in one save.
+	// A settlement that resolves the stake credits and clears it in one save.
 	h.g.RunOnOwner(func() {
-		if err := w.PayStakeCover(10, []string{wager.ID}); err != nil {
+		if err := w.PayCredits(10, wager.ID); err != nil {
 			t.Error(err)
 		}
 	})
@@ -108,6 +108,38 @@ func TestWagerDebitsDurablyAndLeavesPendingStake(t *testing.T) {
 	}
 }
 
+// TestWinningPayoutConsumesStakeInSameSave: PayCredits credits the payout and
+// removes the stakes it resolves in ONE character save, so the durable file
+// never holds a paid win with the stake still pending (which startup would
+// refund on top of the win).
+func TestWinningPayoutConsumesStakeInSameSave(t *testing.T) {
+	h := newHarness(t)
+	h.seedAccount("alice")
+	p := h.seedCharacter("alice", "alice")
+	h.g.RunOnOwner(func() {
+		p.Credits = 100
+		w := casinoWallet{g: h.g, p: p}
+		wager, err := w.Wager(10)
+		if err != nil {
+			t.Error(err)
+			return
+		}
+		if err := w.PayCredits(20, wager.ID); err != nil {
+			t.Error(err)
+		}
+	})
+	loaded, err := h.g.AccountStore.LoadCharacter("alice")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if loaded.Credits != 110 {
+		t.Fatalf("credits after winning payout = %d, want 110", loaded.Credits)
+	}
+	if len(loaded.PendingWagers) != 0 {
+		t.Fatalf("durable pending wagers after a winning payout = %+v, want none (credited and consumed in one save)", loaded.PendingWagers)
+	}
+}
+
 func TestFailedWagerSaveReverts(t *testing.T) {
 	h := newHarness(t)
 	h.seedAccount("alice")