splinter 0.4.1

Splinter is a privacy-focused platform for distributed applications that provides a blockchain-inspired networking environment for communication and transactions between organizations.
Documentation 
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// Copyright 2018-2020 Cargill Incorporated
//
// 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.

use std::error::Error;
use std::fmt;

#[derive(Debug)]
pub struct ConnectionError {
    pub context: String,
    pub source: Box<dyn Error>,
}

impl Error for ConnectionError {
    fn source(&self) -> Option<&(dyn Error + 'static)> {
        Some(&*self.source)
    }
}

impl fmt::Display for ConnectionError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "Unable to connect to database: {}", self.context)
    }
}