chore(fortuna) Config API

Author: aditya520

apps/fortuna/src/api.rs

@@ -22,7 +22,7 @@ use {
     tokio::sync::RwLock,
     url::Url,
 };
-pub use {chain_ids::*, explorer::*, index::*, live::*, metrics::*, ready::*, revelation::*};
+pub use {chain_ids::*, config::*, explorer::*, index::*, live::*, metrics::*, ready::*, revelation::*};
 
 mod chain_ids;
 mod explorer;
@@ -31,6 +31,7 @@ mod live;
 mod metrics;
 mod ready;
 mod revelation;
+mod config;
 
 pub type ChainId = String;
 pub type NetworkId = u64;
@@ -211,6 +212,7 @@ pub fn routes(state: ApiState) -> Router<(), Body> {
             "/v1/chains/:chain_id/revelations/:sequence",
             get(revelation),
         )
+        .route("/v1/chains/configs", get(get_chain_configs))
         .with_state(state)
 }
 

apps/fortuna/src/api/config.rs

@@ -0,0 +1,30 @@
+use crate::{api::{ApiState, RestError}, config::Config};
+use axum::{extract::State, Json};
+
+#[derive(serde::Serialize)]
+pub struct ChainConfigSummary {
+    pub name: String,
+    pub contract_addr: String,
+    pub reveal_delay_blocks: u64,
+    pub gas_limit: u32,
+    pub fee: u128,
+}
+
+pub async fn get_chain_configs(State(_state): State<ApiState>) -> Result<Json<Vec<ChainConfigSummary>>, RestError> {
+    // Try to load the config file (assume default path for now)
+    let config = match Config::load("config.yaml") {
+        Ok(cfg) => cfg,
+        Err(_) => return Err(RestError::Unknown),
+    };
+    let mut configs = Vec::new();
+    for (name, chain) in config.chains.iter() {
+        configs.push(ChainConfigSummary {
+            name: name.clone(),
+            contract_addr: format!("0x{:x}", chain.contract_addr),
+            reveal_delay_blocks: chain.reveal_delay_blocks,
+            gas_limit: chain.gas_limit,
+            fee: chain.fee,
+        });
+    }
+    Ok(Json(configs))
+}