Add error handling

2023-09-16 01:33:28 +09:00 · 2023-09-16 01:33:28 +09:00 · a484827a18
commit a484827a18
parent a1c69ff65c
1 changed files with 8 additions and 0 deletions
--- a/src/signal_association/coinmarketcap.rs
+++ b/src/signal_association/coinmarketcap.rs
@ -40,6 +40,14 @@ pub async fn market_cap_index() -> Result<(), Box<dyn std::error::Error + Send +

    // JSON Parsing
    let mut v: Value = serde_json::from_str(text.as_str()).unwrap();
+        
+    if v
+        .as_object()
+        .unwrap()
+        .get("data").is_none() {
+        return Err("Err")?;
+    }
+    
    let mut into_vec = v
        .as_object()
        .unwrap()