Merge #32: Setup log levels at environment

10ee94d Add more logging informations (mojoX911)
7920f1f Fixed Logging initialisation (mojoX911)
d1ffc26 Adds env_logger (mojoX911)

Tree-SHA512: 867b8b8f94dc43e2ecb23d26a34f0bdeab722e938620829757fc3e7bcc804e593fc3d5401f6b9628e5f5eae0b26bcb6d1039cda6b7a9e5ee98313c9be0650199

Cargo.toml

@@ -15,6 +15,7 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 tokio = { version = "0.3", features = ["full"] }
 log = "^0.4"
+env_logger = "0.7"
 futures = "0.3"
 rand = "0.7.3"
 itertools = "0.9.0"

src/main.rs

@@ -6,6 +6,7 @@ use dirs::home_dir;
 use std::io;
 use std::iter::repeat;
 use std::path::PathBuf;
+use std::sync::Once;
 use std::sync::{Arc, RwLock};
 
 use bitcoin::hashes::{hash160::Hash as Hash160, hex::ToHex};
@@ -439,7 +440,23 @@ enum Subcommand {
     },
 }
 
+static INIT: Once = Once::new();
+
+/// Setup function that will only run once, even if called multiple times.
+fn setup_logger() {
+    INIT.call_once(|| {
+        env_logger::Builder::from_env(
+            env_logger::Env::default()
+                .default_filter_or("teleport=info")
+                .default_write_style_or("always"),
+        )
+        .init();
+    });
+}
+
 fn main() -> Result<(), Box<dyn std::error::Error>> {
+    setup_logger();
+
     let args = ArgsWithWalletFile::from_args();
 
     match args.subcommand {
@@ -538,6 +555,8 @@ mod test {
     // wallet name `teleport` loaded and have enough balance to execute transactions.
     #[tokio::test]
     async fn test_standard_coin_swap() {
+        setup_logger();
+
         let rpc = get_bitcoin_rpc().unwrap();
 
         // unlock all utxos to avoid "insufficient fund" error