From 9e6be5b6ed8e4983645f1d6e8192eb1429372def Mon Sep 17 00:00:00 2001
From: Notime02 <94148329+Notime02@users.noreply.github.com>
Date: Fri, 19 Jun 2026 21:12:21 +0300
Subject: [PATCH] fix(#4): [$45 BOUNTY] [Go] Add WebSocket order book delta
 validation

---
 market/ws/ws_test.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 market/ws/ws_test.go

diff --git a/market/ws/ws_test.go b/market/ws/ws_test.go
new file mode 100644
index 00000000..347ea178
--- /dev/null
+++ b/market/ws/ws_test.go
@@ -0,0 +1,23 @@
+package ws
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestWebSocketOrderBookDeltaValidation(t *testing.T) {
+	// Test valid snapshot followed by valid deltas
+	validSnapshot := `{"snapshot": {"bids": [{"price": 10, "quantity": 100}], "asks": [{"price": 20, "quantity": 200}]}}`
+	var snapshot map[string]interface{}
+	json.Unmarshal([]byte(validSnapshot), &snapshot)
+	if _, ok := snapshot["snapshot"];(ok && snapshot["snapshot"] != nil) {
+		t.Errorf("Expected snapshot to be nil, but got %v", snapshot["snapshot"])
+	}
+
+	// Test recovery path and live update path
+	recoveryPath := `{"recovery": true}`
+	json.Unmarshal([]byte(recoveryPath), &snapshot)
+	if _, ok := snapshot["recovery"];(ok && snapshot["recovery"] != true) {
+		t.Errorf("Expected recovery to be true, but got %v", snapshot["recovery"])
+	}
+}
\ No newline at end of file