Add to_string() to Faucet and NewTxMessage

src/network.rs

@@ -81,6 +81,10 @@ impl FaucetMessage {
             error: None,
         }
     }
+
+    pub fn to_string(&self) -> String {
+        serde_json::to_string(self).unwrap()
+    }
 }
 
 #[derive(Debug, Serialize, Deserialize, Tsify)]
@@ -99,6 +103,10 @@ impl NewTxMessage {
             error: None,
         }
     }
+
+    pub fn to_string(&self) -> String {
+        serde_json::to_string(self).unwrap()
+    }
 }
 
 #[derive(Debug, Serialize, Deserialize, Tsify)]