[enh] #68 add message crate

message/Cargo.toml

+[package]
+name = "duniter-message"
+version = "0.1.0"
+authors = ["librelois <elois@duniter.org>"]
+description = "message model for the Duniter project."
+license = "AGPL-3.0"
+
+[lib]
+path = "lib.rs"
+
+[dependencies]
+duniter-crypto = { path = "../crypto" }
+duniter-dal = { path = "../dal" }
+duniter-documents = { path = "../documents" }
+duniter-module = { path = "../module" }
+duniter-network = { path = "../network" }
+serde = "1.0.24"
+serde_derive = "1.0.24"
+serde_json = "1.0.9"
\ No newline at end of file

message/lib.rs

+//  Copyright (C) 2018  The Duniter Project Developers.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+//! Defined the few global types used by all modules,
+//! as well as the DuniterModule trait that all modules must implement.
+
+#![cfg_attr(feature = "strict", deny(warnings))]
+#![deny(
+    missing_docs, missing_debug_implementations, missing_copy_implementations, trivial_casts,
+    trivial_numeric_casts, unsafe_code, unstable_features, unused_import_braces,
+    unused_qualifications
+)]
+
+extern crate duniter_crypto;
+extern crate duniter_dal;
+extern crate duniter_documents;
+extern crate duniter_module;
+extern crate duniter_network;
+extern crate serde;
+extern crate serde_json;
+
+use std::sync::mpsc;
+
+use duniter_crypto::keys::ed25519;
+use duniter_dal::dal_event::DALEvent;
+use duniter_dal::dal_requests::{DALRequest, DALResponse};
+use duniter_documents::blockchain::BlockchainProtocol;
+use duniter_documents::{BlockId, Hash};
+use duniter_module::ModuleMessage;
+use duniter_network::{NetworkEvent, NetworkRequest};
+
+#[derive(Debug, Clone)]
+/// Message exchanged between Duniter-rs modules
+pub enum DuniterMessage {
+    /// Brut text message
+    Text(String),
+    /// Brut json message
+    Json(serde_json::Value),
+    /// Brut binary message
+    Binary(Vec<u8>),
+    /// Subscriptions to the module feed
+    Followers(Vec<mpsc::Sender<DuniterMessage>>),
+    /// Blockchain datas request
+    DALRequest(DALRequest),
+    /// Response of DALRequest
+    DALResponse(DALResponse),
+    /// Blockchain event
+    DALEvent(DALEvent),
+    /// Request to the network module
+    NetworkRequest(NetworkRequest),
+    /// Network event
+    NetworkEvent(NetworkEvent),
+    /// Request to the pow module
+    ProverRequest(BlockId, Hash),
+    /// Pow module response
+    ProverResponse(BlockId, ed25519::Signature, u64),
+    /// Client API event
+    ReceiveDocsFromClient(Vec<BlockchainProtocol>),
+    /// Stop signal
+    Stop(),
+}
+
+impl ModuleMessage for DuniterMessage {}