error.rs

// Copyright 2018-2021 Parity Technologies (UK) Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/// A dispatch result.
#[doc(hidden)]
pub type DispatchResult = core::result::Result<(), DispatchError>;

/// A dispatch error.
#[derive(Debug, Copy, Clone)]
#[doc(hidden)]
pub enum DispatchError {
    UnknownSelector,
    UnknownInstantiateSelector,
    UnknownCallSelector,

    InvalidParameters,
    InvalidInstantiateParameters,
    InvalidCallParameters,

    CouldNotReadInput,
    PaidUnpayableMessage,
}