Extract code generating mempool.space URLs to avoid duplication

daemon/src/routes_taker.rs

@@ -5,7 +5,7 @@ use daemon::model::{Leverage, Price, Usd, WalletInfo};
 use daemon::projection::{CfdAction, Feeds};
 use daemon::routes::EmbeddedFileExt;
 use daemon::to_sse_event::{CfdsWithAuxData, ToSseEvent};
-use daemon::{bitmex_price_feed, monitor, oracle, taker_cfd, wallet};
+use daemon::{bitmex_price_feed, monitor, oracle, taker_cfd, tx, wallet};
 use http_api_problem::{HttpApiProblem, StatusCode};
 use rocket::http::{ContentType, Status};
 use rocket::response::stream::EventStream;
@@ -263,12 +263,5 @@ pub async fn post_withdraw_request(
                 .detail(e.to_string())
         })?;
 
-    let url = match network.inner() {
-        Network::Bitcoin => format!("https://mempool.space/tx/{}", txid),
-        Network::Testnet => format!("https://mempool.space/testnet/tx/{}", txid),
-        Network::Signet => format!("https://mempool.space/signet/tx/{}", txid),
-        Network::Regtest => txid.to_string(),
-    };
-
-    Ok(url)
+    Ok(tx::to_mempool_url(txid, *network.inner()))
 }

daemon/src/tx.rs

@@ -9,16 +9,21 @@ pub struct TxUrl {
     pub url: String,
 }
 
+/// Construct a mempool.space URL for a given txid
+pub fn to_mempool_url(txid: Txid, network: Network) -> String {
+    match network {
+        Network::Bitcoin => format!("https://mempool.space/tx/{}", txid),
+        Network::Testnet => format!("https://mempool.space/testnet/tx/{}", txid),
+        Network::Signet => format!("https://mempool.space/signet/tx/{}", txid),
+        Network::Regtest => txid.to_string(),
+    }
+}
+
 impl TxUrl {
     pub fn new(txid: Txid, network: Network, label: TxLabel) -> Self {
         Self {
             label,
-            url: match network {
-                Network::Bitcoin => format!("https://mempool.space/tx/{}", txid),
-                Network::Testnet => format!("https://mempool.space/testnet/tx/{}", txid),
-                Network::Signet => format!("https://mempool.space/signet/tx/{}", txid),
-                Network::Regtest => txid.to_string(),
-            },
+            url: to_mempool_url(txid, network),
         }
     }
 }