Merge pull request #50 from dashpay/fix/null-address-check

fix: Crash while sending tx

dash-spv-apple-bindings/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "dash_spv_apple_bindings"
-version = "0.4.10"
+version = "0.4.11"
 description = "C-bindings for using and interoperating with Dash SPV"
 readme = "README.md"
 edition = "2021"

dash-spv-masternode-processor/src/bindings/address.rs

@@ -20,19 +20,27 @@ pub extern "C" fn address_from_hash160(hash: *const u8, chain_type: ChainType) -
 /// # Safety
 #[no_mangle]
 pub extern "C" fn address_with_script_pubkey(script: *const u8, script_len: usize, chain_type: ChainType) -> *mut c_char {
-    let script = unsafe { slice::from_raw_parts(script, script_len) };
-    let script_map = chain_type.script_map();
-    address::with_script_pub_key(&script.to_vec(), &script_map)
-        .to_c_string_ptr()
+    if script.is_null() {
+        std::ptr::null_mut()
+    } else {
+        let script = unsafe { slice::from_raw_parts(script, script_len) };
+        let script_map = chain_type.script_map();
+        address::with_script_pub_key(&script.to_vec(), &script_map)
+            .to_c_string_ptr()
+    }
 }
 
 /// # Safety
 #[no_mangle]
 pub extern "C" fn address_with_script_sig(script: *const u8, script_len: usize, chain_type: ChainType) -> *mut c_char {
-    let script = unsafe { slice::from_raw_parts(script, script_len) };
-    let script_map = chain_type.script_map();
-    address::with_script_sig(&script.to_vec(), &script_map)
-        .to_c_string_ptr()
+    if script.is_null() {
+        std::ptr::null_mut()
+    } else {
+        let script = unsafe { slice::from_raw_parts(script, script_len) };
+        let script_map = chain_type.script_map();
+        address::with_script_sig(&script.to_vec(), &script_map)
+            .to_c_string_ptr()
+    }
 }
 
 /// # Safety