add methods to wasm

packages/bsv-wasm/src/ecdsa.rs

@@ -51,11 +51,19 @@ impl ECDSA {
         Ok(Signature(BSVECDSA::sign_with_deterministic_k(&private_key.0, preimage, hash_algo.into(), reverse_k)?))
     }
 
+    pub fn sign_digest_with_deterministic_k(private_key: &PrivateKey, digest: &[u8]) -> Result<Signature, wasm_bindgen::JsError> {
+        Ok(Signature(BSVECDSA::sign_digest_with_deterministic_k(&private_key.0, digest)?))
+    }
+
     pub fn sign_with_k(private_key: &PrivateKey, ephemeral_key: &PrivateKey, preimage: &[u8], hash_algo: SigningHash) -> Result<Signature, wasm_bindgen::JsError> {
         Ok(Signature(BSVECDSA::sign_with_k(&private_key.0, &ephemeral_key.0, preimage, hash_algo.into())?))
     }
 
     pub fn verify_digest(message: &[u8], pub_key: &PublicKey, signature: &Signature, hash_algo: SigningHash) -> Result<bool, wasm_bindgen::JsError> {
         Ok(BSVECDSA::verify_digest(message, &pub_key.0, &signature.0, hash_algo.into())?)
     }
+
+    pub fn verify_hashbuf(digest: &[u8], pub_key: &PublicKey, signature: &Signature) -> Result<bool, wasm_bindgen::JsError> {
+        Ok(BSVECDSA::verify_hashbuf(digest, &pub_key.0, &signature.0)?)
+    }
 }

packages/bsv-wasm/src/signature.rs

@@ -56,6 +56,10 @@ impl Signature {
         Ok(PublicKey(self.0.recover_public_key(message, hash_algo.into())?))
     }
 
+    pub fn recover_public_key_from_digest(&self, digest: &[u8]) -> Result<PublicKey, wasm_bindgen::JsError> {
+        Ok(PublicKey(self.0.recover_public_key_from_digest(digest)?))
+    }
+
     pub fn to_der_hex(&self) -> String {
         BSVSignature::to_der_hex(&self.0)
     }

packages/bsv-wasm/src/transaction/mod.rs

@@ -276,4 +276,8 @@ impl Transaction {
     pub fn verify(&self, pub_key: &PublicKey, sig: &SighashSignature) -> bool {
         self.0.verify(&pub_key.0, &sig.0)
     }
+
+    pub fn _verify(&self, pub_key: &PublicKey, sig: &SighashSignature, reverse_digest: bool) -> bool {
+        self.0._verify(&pub_key.0, &sig.0, reverse_digest)
+    }
 }