logging: Add basic tracing::instruments.

src/client/mod.rs

@@ -2,7 +2,7 @@
 //!
 //! Client crate mocks the `Client` struct in `bitcoincore-rpc`.
 
-use crate::ledger::Ledger;
+use crate::{ledger::Ledger, utils};
 use bitcoin::Txid;
 use bitcoincore_rpc::{Auth, RpcApi};
 
@@ -47,7 +47,12 @@ impl RpcApiWrapper for Client {
     /// Parameters must match `bitcoincore_rpc::Client::new()`. Only the `url`
     /// is used for database identification. Authorization struct is not used
     /// and can be a dummy value.
+    #[tracing::instrument]
     fn new(url: &str, _auth: bitcoincore_rpc::Auth) -> bitcoincore_rpc::Result<Self> {
+        if let Err(e) = utils::initialize_logger() {
+            return Err(bitcoincore_rpc::Error::ReturnedError(e.to_string()));
+        };
+
         Ok(Self {
             ledger: Ledger::new(url),
         })

src/ledger/mod.rs

@@ -39,8 +39,10 @@ impl Ledger {
     ///
     /// Panics if SQLite connection can't be established and initial query can't
     /// be run.
+    #[tracing::instrument]
     pub fn new(path: &str) -> Self {
         let path = Ledger::get_database_path(path);
+        tracing::trace!("Creating database at path {path}");
 
         let database = Connection::open(path.clone()).unwrap();
 

src/rpc/mod.rs

@@ -29,6 +29,7 @@ pub struct MockRpc {
 /// # Returns
 ///
 /// URL on success, `std::io::Error` otherwise.
+#[tracing::instrument]
 pub async fn spawn_rpc_server(host: Option<&str>, port: Option<u16>) -> Result<SocketAddr, Error> {
     let host = host.unwrap_or("127.0.0.1");
     let port = match port {