feat(octez): serialise baker config

crates/octez/src/async/baker.rs

@@ -1,10 +1,12 @@
 use anyhow::{anyhow, Result};
+use serde::Serialize;
+use serde_with::SerializeDisplay;
 use std::{fmt::Display, path::PathBuf};
 use tokio::process::{Child, Command};
 
 use super::{endpoint::Endpoint, protocol::Protocol};
 
-#[derive(PartialEq, Debug, Clone)]
+#[derive(PartialEq, Debug, Clone, SerializeDisplay)]
 pub enum BakerBinaryPath {
     Env(Protocol),   // The binary exists in $PATH
     Custom(PathBuf), // The binary is at the given path
@@ -25,7 +27,7 @@ impl Display for BakerBinaryPath {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, Serialize)]
 pub struct OctezBakerConfig {
     binary_path: BakerBinaryPath,
     octez_client_base_dir: PathBuf,
@@ -94,6 +96,8 @@ impl OctezBaker {
 
 #[cfg(test)]
 mod test {
+    use std::str::FromStr;
+
     use super::*;
     use crate::r#async::endpoint::Endpoint;
     use http::Uri;
@@ -126,4 +130,46 @@ mod test {
             .build();
         assert!(config.is_err_and(|e| e.to_string().contains("binary path not set")));
     }
+
+    #[test]
+    fn serialize_baker_path() {
+        assert_eq!(
+            serde_json::to_string(&BakerBinaryPath::Env(Protocol::Alpha)).unwrap(),
+            "\"octez-baker-alpha\""
+        );
+
+        assert_eq!(
+            serde_json::to_string(&BakerBinaryPath::Env(Protocol::ParisC)).unwrap(),
+            "\"octez-baker-PsParisC\""
+        );
+
+        assert_eq!(
+            serde_json::to_string(&BakerBinaryPath::Custom(
+                PathBuf::from_str("/foo/bar").unwrap()
+            ))
+            .unwrap(),
+            "\"/foo/bar\""
+        );
+    }
+
+    #[test]
+    fn serialize_config() {
+        let base_dir = TempDir::new().unwrap();
+        let endpoint =
+            Endpoint::try_from(Uri::from_static("http://localhost:8732")).unwrap();
+        let config = OctezBakerConfigBuilder::new()
+            .set_binary_path(BakerBinaryPath::Env(Protocol::Alpha))
+            .set_octez_client_base_dir(base_dir.path().to_str().unwrap())
+            .set_octez_node_endpoint(&endpoint)
+            .build()
+            .unwrap();
+        assert_eq!(
+            serde_json::to_value(&config).unwrap(),
+            serde_json::json!({
+                "octez_client_base_dir": base_dir.path().to_string_lossy(),
+                "octez_node_endpoint": "http://localhost:8732",
+                "binary_path": "octez-baker-alpha"
+            })
+        )
+    }
 }

crates/octez/src/async/protocol.rs

@@ -5,6 +5,7 @@ use super::bootstrap::{BootstrapAccounts, BootstrapContracts, BootstrapSmartRoll
 
 use rust_embed::Embed;
 use serde_json::Value;
+use serde_with::SerializeDisplay;
 use std::fmt::Display;
 use std::io::{Read, Seek, Write};
 use std::path::{Path, PathBuf};
@@ -39,7 +40,7 @@ impl Display for ProtocolConstants {
     }
 }
 
-#[derive(PartialEq, Eq, Debug, Clone)]
+#[derive(PartialEq, Eq, Debug, Clone, SerializeDisplay)]
 pub enum Protocol {
     Alpha,
     ParisC,
@@ -52,6 +53,12 @@ impl Default for Protocol {
     }
 }
 
+impl Display for Protocol {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.hash())
+    }
+}
+
 impl Protocol {
     pub fn hash(&self) -> &'static str {
         match self {
@@ -702,4 +709,12 @@ mod tests {
         assert_eq!(rollups.first().unwrap(), &first_rollup);
         assert_eq!(rollups.last().unwrap(), &second_rollup);
     }
+
+    #[test]
+    fn serialize_protocol() {
+        assert_eq!(
+            serde_json::to_string(&Protocol::Alpha).unwrap(),
+            "\"ProtoALphaALphaALphaALphaALphaALphaALphaALphaDdp3zK\""
+        )
+    }
 }