Use 1 validator by default for local network (#22128)

Author: mystenmark

crates/sui/src/sui_commands.rs

@@ -57,7 +57,7 @@ use sui_package_management::system_package_versions::latest_system_packages;
 use sui_sdk::sui_client_config::{SuiClientConfig, SuiEnv};
 use sui_sdk::wallet_context::WalletContext;
 use sui_swarm::memory::Swarm;
-use sui_swarm_config::genesis_config::{GenesisConfig, DEFAULT_NUMBER_OF_AUTHORITIES};
+use sui_swarm_config::genesis_config::GenesisConfig;
 use sui_swarm_config::network_config::NetworkConfig;
 use sui_swarm_config::network_config_builder::ConfigBuilder;
 use sui_swarm_config::node_config_builder::FullnodeConfigBuilder;
@@ -742,9 +742,10 @@ async fn start(
     let config_dir = if force_regenesis {
         let committee_size = match committee_size {
             Some(x) => NonZeroUsize::new(x),
-            None => NonZeroUsize::new(DEFAULT_NUMBER_OF_AUTHORITIES),
+            None => NonZeroUsize::new(1),
         }
         .ok_or_else(|| anyhow!("Committee size must be at least 1."))?;
+        println!("committee_size: {}", committee_size);
         swarm_builder = swarm_builder.committee_size(committee_size);
         let genesis_config = GenesisConfig::custom_genesis(1, 100);
         swarm_builder = swarm_builder.with_genesis_config(genesis_config);
@@ -1126,7 +1127,7 @@ async fn genesis(
     }
     let committee_size = match committee_size {
         Some(x) => NonZeroUsize::new(x),
-        None => NonZeroUsize::new(DEFAULT_NUMBER_OF_AUTHORITIES),
+        None => NonZeroUsize::new(1),
     }
     .ok_or_else(|| anyhow!("Committee size must be at least 1."))?;
 

crates/sui/tests/cli_tests.rs

@@ -356,7 +356,7 @@ async fn test_genesis() -> Result<(), anyhow::Error> {
         .flat_map(|r| r.map(|file| file.file_name().to_str().unwrap().to_owned()))
         .collect::<Vec<_>>();
 
-    assert_eq!(10, files.len());
+    assert_eq!(7, files.len());
     assert!(files.contains(&SUI_CLIENT_CONFIG.to_string()));
     assert!(files.contains(&SUI_NETWORK_CONFIG.to_string()));
     assert!(files.contains(&SUI_FULLNODE_CONFIG.to_string()));
@@ -367,7 +367,7 @@ async fn test_genesis() -> Result<(), anyhow::Error> {
     // Check network config
     let network_conf =
         PersistedConfig::<NetworkConfig>::read(&working_dir.join(SUI_NETWORK_CONFIG))?;
-    assert_eq!(4, network_conf.validator_configs().len());
+    assert_eq!(1, network_conf.validator_configs().len());
 
     // Check wallet config
     let wallet_conf =