Add get_vote_accounts() to RPC client

client/src/rpc_client.rs

@@ -2,7 +2,7 @@ use crate::client_error::ClientError;
 use crate::generic_rpc_client_request::GenericRpcClientRequest;
 use crate::mock_rpc_client_request::MockRpcClientRequest;
 use crate::rpc_client_request::RpcClientRequest;
-use crate::rpc_request::{RpcEpochInfo, RpcRequest};
+use crate::rpc_request::{RpcEpochInfo, RpcRequest, RpcVoteAccountStatus};
 use bincode::serialize;
 use log::*;
 use serde_json::{json, Value};
@@ -100,6 +100,25 @@ impl RpcClient {
         })
     }
 
+    pub fn get_vote_accounts(&self) -> io::Result<RpcVoteAccountStatus> {
+        let response = self
+            .client
+            .send(&RpcRequest::GetVoteAccounts, None, 0)
+            .map_err(|err| {
+                io::Error::new(
+                    io::ErrorKind::Other,
+                    format!("GetVoteAccounts request failure: {:?}", err),
+                )
+            })?;
+
+        serde_json::from_value(response).map_err(|err| {
+            io::Error::new(
+                io::ErrorKind::Other,
+                format!("GetVoteAccounts parse failure: {}", err),
+            )
+        })
+    }
+
     pub fn get_epoch_info(&self) -> io::Result<RpcEpochInfo> {
         let response = self
             .client

client/src/rpc_request.rs

@@ -17,6 +17,38 @@ pub struct RpcEpochInfo {
     pub absolute_slot: u64,
 }
 
+#[derive(Serialize, Deserialize, Clone, Debug)]
+#[serde(rename_all = "camelCase")]
+pub struct RpcVoteAccountStatus {
+    pub current: Vec<RpcVoteAccountInfo>,
+    pub delinquent: Vec<RpcVoteAccountInfo>,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug)]
+#[serde(rename_all = "camelCase")]
+pub struct RpcVoteAccountInfo {
+    /// Vote account pubkey as base-58 encoded string
+    pub vote_pubkey: String,
+
+    /// The pubkey of the node that votes using this account
+    pub node_pubkey: String,
+
+    /// The current stake, in lamports, delegated to this vote account
+    pub activated_stake: u64,
+
+    /// An 8-bit integer used as a fraction (commission/MAX_U8) for rewards payout
+    pub commission: u8,
+
+    /// Whether this account is staked for the current epoch
+    pub epoch_vote_account: bool,
+
+    /// Most recent slot voted on by this vote account (0 if no votes exist)
+    pub last_vote: u64,
+
+    /// Current root slot for this vote account (0 if not root slot exists)
+    pub root_slot: u64,
+}
+
 #[derive(Debug, PartialEq)]
 pub enum RpcRequest {
     ConfirmTransaction,

core/src/rpc.rs

@@ -13,7 +13,7 @@ use crate::{
 use bincode::{deserialize, serialize};
 use jsonrpc_core::{Error, Metadata, Result};
 use jsonrpc_derive::rpc;
-use solana_client::rpc_request::RpcEpochInfo;
+use solana_client::rpc_request::{RpcEpochInfo, RpcVoteAccountInfo, RpcVoteAccountStatus};
 use solana_drone::drone::request_airdrop_transaction;
 use solana_runtime::bank::Bank;
 use solana_sdk::{
@@ -262,37 +262,6 @@ pub struct RpcContactInfo {
     /// JSON RPC port
     pub rpc: Option<SocketAddr>,
 }
-#[derive(Serialize, Deserialize, Clone, Debug)]
-#[serde(rename_all = "camelCase")]
-pub struct RpcVoteAccountStatus {
-    pub current: Vec<RpcVoteAccountInfo>,
-    pub delinquent: Vec<RpcVoteAccountInfo>,
-}
-
-#[derive(Serialize, Deserialize, Clone, Debug)]
-#[serde(rename_all = "camelCase")]
-pub struct RpcVoteAccountInfo {
-    /// Vote account pubkey as base-58 encoded string
-    pub vote_pubkey: String,
-
-    /// The pubkey of the node that votes using this account
-    pub node_pubkey: String,
-
-    /// The current stake, in lamports, delegated to this vote account
-    pub activated_stake: u64,
-
-    /// An 8-bit integer used as a fraction (commission/MAX_U8) for rewards payout
-    pub commission: u8,
-
-    /// Whether this account is staked for the current epoch
-    pub epoch_vote_account: bool,
-
-    /// Most recent slot voted on by this vote account (0 if no votes exist)
-    pub last_vote: u64,
-
-    /// Current root slot for this vote account (0 if not root slot exists)
-    pub root_slot: u64,
-}
 
 #[derive(Serialize, Deserialize, Clone, Debug)]
 #[serde(rename_all = "kebab-case")]