Added a sell command

+ Added a bot status
+ Fixed NFTs so you can only have one at a time
+ clippy + fmt

src/inventory/mod.rs

@@ -102,7 +102,7 @@ impl InventorySlot {
 
                     let per_value = (hash as f64) / (u64::MAX as f64);
 
-                    ((2000.0 * per_value) as i64) - 1000
+                    ((2000.0 * per_value) as i64) - 500
                 } else {
                     0
                 }
@@ -150,7 +150,13 @@ impl InventoryManager {
             }),
             Some(slot) => {
                 slot.item_data = item_data;
-                slot.quantity += quantity;
+
+                // Only one NFT at a time
+                if item_type != ItemType::Nft {
+                    slot.quantity += quantity;
+                } else {
+                    slot.quantity = 1;
+                }
             }
         }
     }