refactor: split casino.go, dedup helpers, remove audit docs

1 files changed, 23 insertions, 0 deletions

diff --git a/internal/casino/manager_test.go b/internal/casino/manager_test.go
index 889618c..1e77b0b 100644
--- a/internal/casino/manager_test.go
+++ b/internal/casino/manager_test.go
@@ -74,6 +74,29 @@ func (w *testWallet) RefundOutstanding() (chips, credits int, err error) {
 	return chips, credits, nil
 }
 
+// RefundStakes returns the named outstanding stakes to the balances in kind,
+// mirroring the production wallet's take-back path.
+func (w *testWallet) RefundStakes(stakeIDs ...string) error {
+	wanted := make(map[string]bool, len(stakeIDs))
+	for _, id := range stakeIDs {
+		wanted[id] = true
+	}
+	var chips, credits int
+	kept := w.open[:0]
+	for _, wager := range w.open {
+		if wanted[wager.ID] {
+			chips += wager.Chips
+			credits += wager.Credits
+			continue
+		}
+		kept = append(kept, wager)
+	}
+	w.open = kept
+	w.chips += chips
+	w.paid += credits
+	return nil
+}
+
 func TestMixedWagerUsesChipsFirst(t *testing.T) {
 	w := &testWallet{chips: 7, credits: 50}
 	wager, err := w.Wager(12)