feat: wallet FFI cucumber

base_layer/wallet_ffi/src/lib.rs

@@ -4717,6 +4717,65 @@ pub unsafe extern "C" fn comms_list_connected_public_keys(
     }
 }
 
+/// Gets the length of the public keys vector
+///
+/// ## Arguments
+/// `public_keys` - Pointer to TariPublicKeys
+///
+/// ## Returns
+/// `c_uint` - Length of the TariPublicKeys vector, 0 if is null
+///
+/// # Safety
+/// None
+#[no_mangle]
+pub unsafe extern "C" fn public_keys_get_length(public_keys: *const TariPublicKeys, error_out: *mut c_int) -> c_uint {
+    let mut error = 0;
+    ptr::swap(error_out, &mut error as *mut c_int);
+    if public_keys.is_null() {
+        error = LibWalletError::from(InterfaceError::NullError("public_keys".to_string())).code;
+        ptr::swap(error_out, &mut error as *mut c_int);
+        return 0;
+    }
+    (*public_keys).0.len() as c_uint
+}
+
+/// Gets a ByteVector at position in a EmojiSet
+///
+/// ## Arguments
+/// `public_keys` - The pointer to a TariPublicKeys
+/// `position` - The integer position
+/// `error_out` - Pointer to an int which will be modified to an error code should one occur, may not be null. Functions
+/// as an out parameter.
+///
+/// ## Returns
+/// `ByteVector` - Returns a ByteVector. Note that the ByteVector will be null if ptr
+/// is null or if the position is invalid
+///
+/// # Safety
+/// The ```byte_vector_destroy``` function must be called when finished with the ByteVector to prevent a memory leak.
+#[no_mangle]
+pub unsafe extern "C" fn public_keys_get_at(
+    public_keys: *const TariPublicKeys,
+    position: c_uint,
+    error_out: *mut c_int,
+) -> *mut TariPublicKey {
+    let mut error = 0;
+    ptr::swap(error_out, &mut error as *mut c_int);
+    if public_keys.is_null() {
+        error = LibWalletError::from(InterfaceError::NullError("public_keys".to_string())).code;
+        ptr::swap(error_out, &mut error as *mut c_int);
+        return ptr::null_mut();
+    }
+    let last_index = public_keys_get_length(public_keys, error_out) - 1;
+    if position > last_index {
+        error = LibWalletError::from(InterfaceError::PositionInvalidError).code;
+        ptr::swap(error_out, &mut error as *mut c_int);
+        return ptr::null_mut();
+    }
+    let result = (*public_keys).0[position as usize].clone();
+    Box::into_raw(Box::new(result))
+}
+
 /// ---------------------------------------------------------------------------------------------- ///
 
 /// ------------------------------------- Wallet -------------------------------------------------///

base_layer/wallet_ffi/wallet.h

@@ -2473,6 +2473,40 @@ void comms_config_destroy(TariCommsConfig *wc);
 struct TariPublicKeys *comms_list_connected_public_keys(struct TariWallet *wallet,
                                                         int *error_out);
 
+/**
+ * Gets the length of the public keys vector
+ *
+ * ## Arguments
+ * `public_keys` - Pointer to TariPublicKeys
+ *
+ * ## Returns
+ * `c_uint` - Length of the TariPublicKeys vector, 0 if is null
+ *
+ * # Safety
+ * None
+ */
+unsigned int public_keys_get_length(const struct TariPublicKeys *public_keys, int *error_out);
+
+/**
+ * Gets a ByteVector at position in a EmojiSet
+ *
+ * ## Arguments
+ * `public_keys` - The pointer to a TariPublicKeys
+ * `position` - The integer position
+ * `error_out` - Pointer to an int which will be modified to an error code should one occur, may not be null. Functions
+ * as an out parameter.
+ *
+ * ## Returns
+ * `ByteVector` - Returns a ByteVector. Note that the ByteVector will be null if ptr
+ * is null or if the position is invalid
+ *
+ * # Safety
+ * The ```byte_vector_destroy``` function must be called when finished with the ByteVector to prevent a memory leak.
+ */
+TariPublicKey *public_keys_get_at(const struct TariPublicKeys *public_keys,
+                                  unsigned int position,
+                                  int *error_out);
+
 /**
  * Creates a TariWallet
  *

integration_tests/Cargo.toml

@@ -20,6 +20,7 @@ tari_test_utils = { path = "../infrastructure/test_utils" }
 tari_base_node = { path = "../applications/tari_base_node" }
 tari_console_wallet = { path = "../applications/tari_console_wallet" }
 tari_wallet = { path = "../base_layer/wallet" }
+tari_wallet_ffi = { path = "../base_layer/wallet_ffi" }
 tari_common_types = { path = "../base_layer/common_types" }
 tari_script = { path = "../infrastructure/tari_script" }
 tari_utilities = { git = "https://github.com/tari-project/tari_utilities.git", tag="v0.4.10"}
@@ -42,6 +43,7 @@ diesel = { version = "1.4.8", default-features = false, features = ["sqlite"] }
 futures = { version = "^0.3.1" }
 json5 = "0.2.2"
 include_dir = "0.7.2"
+libc = "0.2.65"
 log = { version = "0.4.8", features = ["std"] }
 log4rs = { version = "1.1.1", features = ["rolling_file_appender", "compound_policy", "size_trigger", "fixed_window_roller"] }
 lmdb-zero = "0.4.4"