chore: rpc server cleanup & misc fixes

docs/docs/guides/developer_guides/smart_contracts/writing_contracts/index.mdx

@@ -13,13 +13,6 @@ To write a contract:
 
 ```rust
 #include_code declaration /noir-projects/noir-contracts/contracts/easy_private_voting_contract/src/main.nr raw
-
-    // Imports
-
-    // Storage
-
-    // Functions
-}
 ```
 
 2. Define imports in your contract block

yarn-project/aztec/src/cli/aztec_start_action.ts

@@ -102,7 +102,7 @@ export async function aztecStart(options: any, userLog: LogFn, debugLogger: Logg
   installSignalHandlers(debugLogger.info, signalHandlers);
 
   if (Object.entries(services).length > 0) {
-    const rpcServer = createNamespacedSafeJsonRpcServer(services, false, debugLogger);
+    const rpcServer = createNamespacedSafeJsonRpcServer(services, { http200OnError: false, log: debugLogger });
     const { port } = await startHttpRpcServer(rpcServer, { port: options.port });
     debugLogger.info(`Aztec Server listening on port ${port}`);
   }

yarn-project/bot/src/rpc.ts

@@ -9,7 +9,10 @@ import { type BotRunner } from './runner.js';
  * @returns An JSON-RPC HTTP server
  */
 export function createBotRunnerRpcServer(botRunner: BotRunner) {
-  createSafeJsonRpcServer(botRunner, BotRunnerApiSchema, false, botRunner.isHealthy.bind(botRunner));
+  createSafeJsonRpcServer(botRunner, BotRunnerApiSchema, {
+    http200OnError: false,
+    healthCheck: botRunner.isHealthy.bind(botRunner),
+  });
 }
 
 export function getBotRunnerApiHandler(botRunner: BotRunner): ApiHandler {

yarn-project/foundation/src/json-rpc/server/safe_json_rpc_server.ts

@@ -60,6 +60,12 @@ export class SafeJsonRpcServer {
           const message = err.issues.map(e => `${e.message} (${e.path.join('.')})`).join('. ') || 'Validation error';
           ctx.status = 400;
           ctx.body = { jsonrpc: '2.0', id: null, error: { code: -32701, message } };
+        } else if (this.http200OnError) {
+          ctx.body = {
+            jsonrpc: '2.0',
+            id: null,
+            error: { code: err.code || -32600, data: err.data, message: err.message },
+          };
         } else {
           ctx.status = 500;
           ctx.body = { jsonrpc: '2.0', id: null, error: { code: -32600, message: err.message ?? 'Internal error' } };
@@ -111,16 +117,8 @@ export class SafeJsonRpcServer {
         ctx.body = { jsonrpc, id, error: { code: -32601, message: `Method not found: ${method}` } };
       } else {
         ctx.status = 200;
-        try {
-          const result = await this.proxy.call(method, params);
-          ctx.body = { jsonrpc, id, result };
-        } catch (err: any) {
-          if (this.http200OnError) {
-            ctx.body = { jsonrpc, id, error: { code: err.code || -32600, data: err.data, message: err.message } };
-          } else {
-            throw err;
-          }
-        }
+        const result = await this.proxy.call(method, params);
+        ctx.body = { jsonrpc, id, result };
       }
     });
 
@@ -265,16 +263,25 @@ function makeAggregateHealthcheck(namedHandlers: NamespacedApiHandlers, log?: Lo
   };
 }
 
+type SafeJsonRpcServerOptions = {
+  http200OnError: boolean;
+  healthCheck?: StatusCheckFn;
+  log?: Logger;
+};
+
 /**
  * Creates a single SafeJsonRpcServer from multiple handlers.
  * @param servers - List of handlers to be combined.
  * @returns A single JsonRpcServer with namespaced methods.
  */
 export function createNamespacedSafeJsonRpcServer(
   handlers: NamespacedApiHandlers,
-  http200OnError = false,
-  log = createLogger('json-rpc:server'),
+  options: Omit<SafeJsonRpcServerOptions, 'healthcheck'> = {
+    http200OnError: false,
+    log: createLogger('json-rpc:server'),
+  },
 ): SafeJsonRpcServer {
+  const { http200OnError, log } = options;
   const proxy = new NamespacedSafeJsonProxy(handlers);
   const healthCheck = makeAggregateHealthcheck(handlers, log);
   return new SafeJsonRpcServer(proxy, http200OnError, healthCheck, log);
@@ -283,11 +290,11 @@ export function createNamespacedSafeJsonRpcServer(
 export function createSafeJsonRpcServer<T extends object = any>(
   handler: T,
   schema: ApiSchemaFor<T>,
-  http200OnError = false,
-  healthCheck?: StatusCheckFn,
+  options: SafeJsonRpcServerOptions = { http200OnError: false },
 ) {
+  const { http200OnError, log, healthCheck } = options;
   const proxy = new SafeJsonProxy(handler, schema);
-  return new SafeJsonRpcServer(proxy, http200OnError, healthCheck);
+  return new SafeJsonRpcServer(proxy, http200OnError, healthCheck, log);
 }
 
 /**

yarn-project/txe/src/index.ts

@@ -120,5 +120,5 @@ const TXEDispatcherApiSchema: ApiSchemaFor<TXEDispatcher> = {
  * @returns A TXE RPC server.
  */
 export function createTXERpcServer(logger: Logger) {
-  return createSafeJsonRpcServer(new TXEDispatcher(logger), TXEDispatcherApiSchema, true);
+  return createSafeJsonRpcServer(new TXEDispatcher(logger), TXEDispatcherApiSchema, { http200OnError: true });
 }