Merge pull request #141 from klever-io/feat/export-get-path-by-chain

export get path by chain

Author: gustavocbritto

Cargo.lock

@@ -154,6 +154,13 @@ fn validate_mnemonic(mnemonic: String) -> bool {
     kos::crypto::mnemonic::validate_mnemonic(mnemonic.as_str()).is_ok()
 }
 
+#[uniffi::export]
+fn get_path_by_chain(chain_id: u32, index: u32, use_legacy_path: bool) -> Result<String, KOSError> {
+    let chain = get_chain_by(chain_id)?;
+    let path = chain.get_path(index, use_legacy_path);
+    Ok(path)
+}
+
 #[uniffi::export]
 fn generate_wallet_from_mnemonic(
     mnemonic: String,
@@ -663,4 +670,16 @@ mod tests {
             "The supported chains should not be empty"
         );
     }
+
+    #[test]
+    fn should_get_path_by_chain() {
+        let path = get_path_by_chain(38, 0, false).unwrap();
+        assert_eq!(path, "m/44'/690'/0'/0'/0'");
+
+        let path = get_path_by_chain(27, 0, false).unwrap();
+        assert_eq!(path, "");
+
+        let path = get_path_by_chain(27, 1, false).unwrap();
+        assert_eq!(path, "//0///");
+    }
 }

packages/kos-mobile/src/lib.rs

@@ -11,7 +11,7 @@ pub enum Error {
     // JSON serialization error
     JSONSerde(String),
     // UnsupportedChain,
-    UnsupportedChain(&'static str),
+    UnsupportedChain(String),
     // InvalidMnemonic,
     InvalidMnemonic(&'static str),
     // InvalidPath,

packages/kos-web/src/error.rs

@@ -71,6 +71,18 @@ pub fn is_chain_supported(chain: u32) -> bool {
     kos::chains::is_chain_supported(chain)
 }
 
+#[wasm_bindgen(js_name = "getPathByChain")]
+pub fn get_path_by_chain(
+    chain_id: u32,
+    index: u32,
+    use_legacy_path: bool,
+) -> Result<String, Error> {
+    let chain = kos::chains::get_chain_by_id(chain_id)
+        .ok_or(Error::UnsupportedChain(format!("{}", chain_id)))?;
+    let path = chain.get_path(index, use_legacy_path);
+    Ok(path)
+}
+
 #[wasm_bindgen]
 #[derive(Debug, Clone)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]