Add getBlockProduction RPC method

client/src/rpc_client.rs

@@ -444,6 +444,18 @@ impl RpcClient {
             })
     }
 
+    /// Get block production for the current epoch
+    pub fn get_block_production(&self) -> RpcResult<RpcBlockProduction> {
+        self.send(RpcRequest::GetBlockProduction, Value::Null)
+    }
+
+    pub fn get_block_production_with_config(
+        &self,
+        config: RpcBlockProductionConfig,
+    ) -> RpcResult<RpcBlockProduction> {
+        self.send(RpcRequest::GetBlockProduction, json!(config))
+    }
+
     pub fn get_stake_activation(
         &self,
         stake_account: Pubkey,

client/src/rpc_config.rs

@@ -49,6 +49,22 @@ pub struct RpcLeaderScheduleConfig {
     pub commitment: Option<CommitmentConfig>,
 }
 
+#[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct RpcBlockProductionConfigRange {
+    pub first_slot: Slot,
+    pub last_slot: Option<Slot>,
+}
+
+#[derive(Debug, Default, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct RpcBlockProductionConfig {
+    pub identity: Option<String>, // validator identity, as a base-58 encoded string
+    pub range: Option<RpcBlockProductionConfigRange>, // current epoch if `None`
+    #[serde(flatten)]
+    pub commitment: Option<CommitmentConfig>,
+}
+
 #[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct RpcGetVoteAccountsConfig {

client/src/rpc_request.rs

@@ -12,6 +12,7 @@ pub enum RpcRequest {
     GetAccountInfo,
     GetBalance,
     GetBlock,
+    GetBlockProduction,
     GetBlocks,
     GetBlocksWithLimit,
     GetBlockTime,
@@ -94,6 +95,7 @@ impl fmt::Display for RpcRequest {
             RpcRequest::GetAccountInfo => "getAccountInfo",
             RpcRequest::GetBalance => "getBalance",
             RpcRequest::GetBlock => "getBlock",
+            RpcRequest::GetBlockProduction => "getBlockProduction",
             RpcRequest::GetBlocks => "getBlocks",
             RpcRequest::GetBlocksWithLimit => "getBlocksWithLimit",
             RpcRequest::GetBlockTime => "getBlockTime",

client/src/rpc_response.rs

@@ -211,6 +211,21 @@ pub struct RpcContactInfo {
 /// Map of leader base58 identity pubkeys to the slot indices relative to the first epoch slot
 pub type RpcLeaderSchedule = HashMap<String, Vec<usize>>;
 
+#[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct RpcBlockProductionRange {
+    pub first_slot: Slot,
+    pub last_slot: Slot,
+}
+
+#[derive(Serialize, Deserialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct RpcBlockProduction {
+    /// Map of leader base58 identity pubkeys to a tuple of `(number of leader slots, number of blocks produced)`
+    pub by_identity: HashMap<String, (usize, usize)>,
+    pub range: RpcBlockProductionRange,
+}
+
 #[derive(Serialize, Deserialize, Clone)]
 #[serde(rename_all = "kebab-case")]
 pub struct RpcVersionInfo {