Consolidate constants and default init values (#52)

Author: ok300

cli/src/main.rs

@@ -24,20 +24,15 @@ fn show_results(res: Result<String>) {
     }
 }
 
-fn init_persistence(args: &Args) -> Result<CliPersistence> {
-    let data_dir = args.data_dir.clone().unwrap_or(".data".to_string());
-    let data_dir = PathBuf::from(&data_dir);
-
-    fs::create_dir_all(&data_dir)?;
-
-    Ok(CliPersistence { data_dir })
-}
-
 fn main() -> Result<()> {
     env_logger::init();
 
     let args = Args::parse();
-    let persistence = init_persistence(&args)?;
+    let data_dir_str = args.data_dir.clone().unwrap_or(".data".to_string());
+    let data_dir = PathBuf::from(&data_dir_str);
+    fs::create_dir_all(&data_dir)?;
+
+    let persistence = CliPersistence { data_dir };
     let history_file = &persistence.history_file();
 
     let rl = &mut Editor::new()?;
@@ -50,7 +45,7 @@ fn main() -> Result<()> {
     }
 
     let mnemonic = persistence.get_or_create_mnemonic()?;
-    let wallet = Wallet::init(&mnemonic.to_string())?;
+    let wallet = Wallet::init(&mnemonic.to_string(), Some(data_dir_str))?;
 
     loop {
         let readline = rl.readline("breez-liquid> ");

lib/src/lib.rs

@@ -5,16 +5,20 @@ mod wallet;
 pub use model::*;
 pub use wallet::*;
 
+// To avoid sendrawtransaction error "min relay fee not met"
+const CLAIM_ABSOLUTE_FEES: u64 = 134;
+const DEFAULT_DATA_DIR: &str = ".data";
+const DEFAULT_ELECTRUM_URL: &str = "blockstream.info:465";
+
 #[cfg(test)]
 mod tests {
     use std::{env, fs, io, path::PathBuf, str::FromStr};
 
     use anyhow::Result;
     use bip39::{Language, Mnemonic};
 
-    use crate::{ReceivePaymentRequest, Wallet};
+    use crate::{ReceivePaymentRequest, Wallet, DEFAULT_DATA_DIR};
 
-    const DEFAULT_DATA_DIR: &str = ".data";
     const PHRASE_FILE_NAME: &str = "phrase";
 
     fn get_mnemonic() -> Result<Mnemonic> {

lib/src/model.rs

@@ -23,8 +23,10 @@ pub struct WalletOptions {
     ///
     /// See <https://github.com/bitcoin/bips/pull/1143>
     pub descriptor: String,
-    pub db_root_path: Option<String>,
-    pub chain_cache_path: Option<String>,
+    /// Absolute or relative path to the data dir, including the dir name.
+    ///
+    /// If not set, it defaults to [crate::DEFAULT_DATA_DIR].
+    pub data_dir_path: Option<String>,
     pub electrum_url: Option<ElectrumUrl>,
 }
 

lib/src/wallet.rs

@@ -26,13 +26,9 @@ use lwk_wollet::{
 use crate::{
     persist::Persister, Network, OngoingReceiveSwap, Payment, PaymentType, ReceivePaymentRequest,
     SendPaymentResponse, SwapError, SwapLbtcResponse, WalletInfo, WalletOptions,
+    CLAIM_ABSOLUTE_FEES, DEFAULT_DATA_DIR, DEFAULT_ELECTRUM_URL,
 };
 
-// To avoid sendrawtransaction error "min relay fee not met"
-const CLAIM_ABSOLUTE_FEES: u64 = 134;
-const DEFAULT_SWAPS_DIR: &str = ".data";
-const BLOCKSTREAM_ELECTRUM_URL: &str = "blockstream.info:465";
-
 pub struct Wallet {
     signer: SwSigner,
     electrum_url: ElectrumUrl,
@@ -43,7 +39,7 @@ pub struct Wallet {
 }
 
 impl Wallet {
-    pub fn init(mnemonic: &str) -> Result<Arc<Wallet>> {
+    pub fn init(mnemonic: &str, data_dir: Option<String>) -> Result<Arc<Wallet>> {
         let signer = SwSigner::new(mnemonic, false)?;
         let descriptor = singlesig_desc(
             &signer,
@@ -57,8 +53,7 @@ impl Wallet {
             signer,
             descriptor,
             electrum_url: None,
-            db_root_path: None,
-            chain_cache_path: None,
+            data_dir_path: data_dir,
             network: Network::LiquidTestnet,
         })
     }
@@ -75,12 +70,12 @@ impl Wallet {
 
         let electrum_url = opts.electrum_url.unwrap_or(match network {
             ElementsNetwork::Liquid | ElementsNetwork::LiquidTestnet => {
-                ElectrumUrl::new(BLOCKSTREAM_ELECTRUM_URL, true, false)
+                ElectrumUrl::new(DEFAULT_ELECTRUM_URL, true, false)
             }
             ElementsNetwork::ElementsRegtest { .. } => todo!(),
         });
 
-        let persister_path = opts.db_root_path.unwrap_or(DEFAULT_SWAPS_DIR.to_string());
+        let persister_path = opts.data_dir_path.unwrap_or(DEFAULT_DATA_DIR.to_string());
         fs::create_dir_all(&persister_path)?;
 
         let swap_persister = Persister::new(persister_path);