refacto: remove entities dependency to protocol

Author: sfauvel

mithril-common/src/entities/protocol_message.rs

@@ -2,8 +2,6 @@ use serde::{Deserialize, Serialize};
 use sha2::{Digest, Sha256};
 use std::{collections::BTreeMap, fmt::Display};
 
-use crate::protocol::ToMessage;
-
 /// The key of a ProtocolMessage
 #[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
 pub enum ProtocolMessagePartKey {
@@ -118,12 +116,6 @@ impl ProtocolMessage {
     }
 }
 
-impl ToMessage for ProtocolMessage {
-    fn to_message(&self) -> String {
-        self.compute_hash()
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;

mithril-common/src/protocol/mod.rs

@@ -12,6 +12,8 @@ pub use multi_signer::MultiSigner;
 pub use signer_builder::{SignerBuilder, SignerBuilderError};
 pub use single_signer::SingleSigner;
 
+use crate::entities::ProtocolMessage;
+
 /// Trait to convert a type to a message that can be signed or verified by the Mithril protocol.
 pub trait ToMessage: Sync + Send {
     /// Return a String representation of the message.
@@ -29,3 +31,9 @@ impl ToMessage for &str {
         self.to_string()
     }
 }
+
+impl ToMessage for ProtocolMessage {
+    fn to_message(&self) -> String {
+        self.compute_hash()
+    }
+}