feat: add cli options for server configuration

SUPPORTED_APIS.md

@@ -41,6 +41,7 @@ The `status` options are:
 | `ANVIL` | `anvil_setBalance` | `SUPPORTED` | Modifies the balance of an account |
 | `ANVIL` | `anvil_setCode` | `SUPPORTED` | Sets the bytecode of a given account |
 | `ANVIL` | `anvil_setStorageAt` | `SUPPORTED` | Sets the storage value at a given key for a given account |
+| `ANVIL` | `anvil_setChainId` | `SUPPORTED` | Sets the chain id |
 | [`CONFIG`](#config-namespace) | [`config_getShowCalls`](#config_getshowcalls) | `SUPPORTED` | Gets the current value of `show_calls` that's originally set with `--show-calls` option |
 | [`CONFIG`](#config-namespace) | [`config_getShowOutputs`](#config_getshowoutputs) | `SUPPORTED` | Gets the current value of `show_outputs` that's originally set with `--show-outputs` option |
 | [`CONFIG`](#config-namespace) | [`config_getCurrentTimestamp`](#config_getcurrenttimestamp) | `SUPPORTED` | Gets the value of `current_timestamp` for the node |

crates/cli/src/cli.rs

@@ -243,6 +243,14 @@ pub struct Cli {
     /// Disable auto and interval mining, and mine on demand instead.
     #[arg(long, visible_alias = "no-mine", conflicts_with = "block_time")]
     pub no_mining: bool,
+
+    /// The cors `allow_origin` header
+    #[arg(long, default_value = "*", help_heading = "Server options")]
+    pub allow_origin: String,
+
+    /// Disable CORS.
+    #[arg(long, default_missing_value = "true", num_args(0..=1), conflicts_with = "allow_origin", help_heading = "Server options")]
+    pub no_cors: Option<bool>,
 }
 
 #[derive(Debug, Subcommand, Clone)]
@@ -381,7 +389,9 @@ impl Cli {
                 None
             })
             .with_block_time(self.block_time)
-            .with_no_mining(self.no_mining);
+            .with_no_mining(self.no_mining)
+            .with_allow_origin(self.allow_origin)
+            .with_no_cors(self.no_cors);
 
         if self.emulate_evm && self.dev_system_contracts != Some(SystemContractsOptions::Local) {
             return Err(eyre::eyre!(

crates/cli/src/main.rs

@@ -29,6 +29,7 @@ use futures::{
     FutureExt,
 };
 use jsonrpc_core::MetaIoHandler;
+use jsonrpc_http_server::DomainsValidation;
 use logging_middleware::LoggingMiddleware;
 use std::fs::File;
 use std::{env, net::SocketAddr, str::FromStr};
@@ -50,6 +51,8 @@ async fn build_json_http<
     log_level_filter: LevelFilter,
     node: InMemoryNode<S>,
     enable_health_api: bool,
+    cors_allow_origin: String,
+    disable_cors: bool,
 ) -> tokio::task::JoinHandle<()> {
     let (sender, recv) = oneshot::channel::<()>();
 
@@ -76,9 +79,11 @@ async fn build_json_http<
             .build()
             .unwrap();
 
+        let allow_origin = if disable_cors { "null" } else { &cors_allow_origin };
         let mut builder = jsonrpc_http_server::ServerBuilder::new(io_handler)
             .threads(1)
-            .event_loop_executor(runtime.handle().clone());
+            .event_loop_executor(runtime.handle().clone())
+            .cors(DomainsValidation::AllowOnly(vec![allow_origin.into()]));
 
         if enable_health_api {
             builder = builder.health_api(("/health", "web3_clientVersion"));
@@ -324,6 +329,8 @@ async fn main() -> anyhow::Result<()> {
             log_level_filter,
             node.clone(),
             config.health_check_endpoint,
+            config.allow_origin.clone(),
+            config.no_cors,
         )
     }))
     .await;

crates/config/src/config.rs

@@ -111,6 +111,10 @@ pub struct TestNodeConfig {
     pub max_transactions: usize,
     /// Disable automatic sealing mode and use `BlockSealer::Noop` instead
     pub no_mining: bool,
+    /// The cors `allow_origin` header
+    pub allow_origin: String,
+    /// Disable CORS if true
+    pub no_cors: bool,
 }
 
 impl Default for TestNodeConfig {
@@ -171,6 +175,10 @@ impl Default for TestNodeConfig {
             no_mining: false,
 
             max_transactions: 1000,
+
+            // Server configuration
+            allow_origin: "*".to_string(),
+            no_cors: false,
         }
     }
 }
@@ -869,4 +877,20 @@ impl TestNodeConfig {
         self.no_mining = no_mining;
         self
     }
+
+    // Set allow_origin CORS header
+    #[must_use]
+    pub fn with_allow_origin(mut self, allow_origin: String) -> Self {
+        self.allow_origin = allow_origin;
+        self
+    }
+
+    // Enable or disable CORS
+    #[must_use]
+    pub fn with_no_cors(mut self, no_cors: Option<bool>) -> Self {
+        if let Some(no_cors) = no_cors {
+            self.no_cors = no_cors;
+        }
+        self
+    }
 }