🍢banking-bench/, genesis-programs/ and local-cluster/ (#6920)

* git mv genesis_programs genesis-programs

* git mv local_cluster local-cluster

* git mv banking_bench banking-bench

local-cluster/src/cluster.rs

@@ -0,0 +1,37 @@
+use solana_client::thin_client::ThinClient;
+use solana_core::contact_info::ContactInfo;
+use solana_core::validator::ValidatorConfig;
+use solana_sdk::pubkey::Pubkey;
+use solana_sdk::signature::Keypair;
+use std::path::PathBuf;
+use std::sync::Arc;
+
+pub struct ValidatorInfo {
+    pub keypair: Arc<Keypair>,
+    pub voting_keypair: Arc<Keypair>,
+    pub storage_keypair: Arc<Keypair>,
+    pub ledger_path: PathBuf,
+    pub contact_info: ContactInfo,
+}
+
+pub struct ClusterValidatorInfo {
+    pub info: ValidatorInfo,
+    pub config: ValidatorConfig,
+}
+
+impl ClusterValidatorInfo {
+    pub fn new(validator_info: ValidatorInfo, config: ValidatorConfig) -> Self {
+        Self {
+            info: validator_info,
+            config,
+        }
+    }
+}
+
+pub trait Cluster {
+    fn get_node_pubkeys(&self) -> Vec<Pubkey>;
+    fn get_validator_client(&self, pubkey: &Pubkey) -> Option<ThinClient>;
+    fn exit_node(&mut self, pubkey: &Pubkey) -> ClusterValidatorInfo;
+    fn restart_node(&mut self, pubkey: &Pubkey, cluster_validator_info: ClusterValidatorInfo);
+    fn exit_restart_node(&mut self, pubkey: &Pubkey, config: ValidatorConfig);
+}