Add get_new_keypair api

src/api.rs

@@ -31,7 +31,7 @@ use sdk_common::sp_client::bitcoin::hashes::{FromSliceError, HashEngine};
 use sdk_common::sp_client::bitcoin::hex::{
     self, parse, DisplayHex, FromHex, HexToArrayError, HexToBytesError,
 };
-use sdk_common::sp_client::bitcoin::key::{Parity, Secp256k1};
+use sdk_common::sp_client::bitcoin::key::{Keypair, Parity, Secp256k1};
 use sdk_common::sp_client::bitcoin::network::ParseNetworkError;
 use sdk_common::sp_client::bitcoin::p2p::message::NetworkMessage;
 use sdk_common::sp_client::bitcoin::psbt::raw;
@@ -90,6 +90,15 @@ pub struct ApiReturn {
 
 pub type ApiResult<T: FromWasmAbi> = Result<T, ApiError>;
 
+#[derive(Debug, PartialEq, Tsify, Serialize, Deserialize, Default)]
+#[tsify(into_wasm_abi)]
+#[allow(non_camel_case_types)]
+pub struct NewKey {
+    pub private_key: String,
+    pub x_only_public_key: String,
+    pub key_parity: bool
+}
+
 const IS_TESTNET: bool = true;
 const DEFAULT_AMOUNT: Amount = Amount::from_sat(1000);
 
@@ -211,6 +220,22 @@ pub fn get_address() -> ApiResult<String> {
         .get_receiving_address())
 }
 
+#[wasm_bindgen]
+pub fn get_new_keypair() -> NewKey {
+    let secp = Secp256k1::new();
+    let mut rng = thread_rng();
+    let keypair = Keypair::new(&secp, &mut rng);
+
+    let secret_hex = keypair.secret_bytes().to_lower_hex_string();
+    let (xonly, parity) = keypair.x_only_public_key();
+
+    NewKey {
+        private_key: secret_hex,
+        x_only_public_key: xonly.to_string(),
+        key_parity: if parity == Parity::Even { true } else { false }
+    }
+}
+
 #[wasm_bindgen]
 pub fn restore_device(device_str: String) -> ApiResult<()> {
     let device: Device = serde_json::from_str(&device_str)?;