getSlotLeaders Solana RPC Method

POST

getSlotLeaders

curl --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getSlotLeaders",
  "params": [
    433341000,
    10
  ]
}
'

import requests

url = "https://mainnet.helius-rpc.com/?api-key="

payload = {
    "jsonrpc": "2.0",
    "id": "1",
    "method": "getSlotLeaders",
    "params": [433341000, 10]
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({jsonrpc: '2.0', id: '1', method: 'getSlotLeaders', params: [433341000, 10]})
};

fetch('https://mainnet.helius-rpc.com/?api-key=', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://mainnet.helius-rpc.com/?api-key=",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'jsonrpc' => '2.0',
    'id' => '1',
    'method' => 'getSlotLeaders',
    'params' => [
        433341000,
        10
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://mainnet.helius-rpc.com/?api-key="

	payload := strings.NewReader("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": \"1\",\n  \"method\": \"getSlotLeaders\",\n  \"params\": [\n    433341000,\n    10\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://mainnet.helius-rpc.com/?api-key=")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": \"1\",\n  \"method\": \"getSlotLeaders\",\n  \"params\": [\n    433341000,\n    10\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://mainnet.helius-rpc.com/?api-key=")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"jsonrpc\": \"2.0\",\n  \"id\": \"1\",\n  \"method\": \"getSlotLeaders\",\n  \"params\": [\n    433341000,\n    10\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": [
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "DWvDTSh3qfn88UoQTEKRV2JnLt5jtJAVoiCo3ivtMwXP",
    "DWvDTSh3qfn88UoQTEKRV2JnLt5jtJAVoiCo3ivtMwXP"
  ]
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32001,
    "message": "Unauthorized"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32005,
    "message": "Too many requests"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32603,
    "message": "Internal error"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32002,
    "message": "Service unavailable"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32003,
    "message": "Gateway timeout"
  },
  "id": "1"
}

Request Parameters

number

required

Starting Solana slot number to begin retrieving the validator schedule from.

number

required

Number of consecutive slots to retrieve the scheduled validator identities for (1-5,000).

Authorizations

api-key

string

query

required

Your Helius API key. You can get one for free in the dashboard.

Body

application/json

jsonrpc

enum<string>

default:2.0

The JSON-RPC protocol version.

Available options:

2.0

Example:

"2.0"

string

default:1

A unique identifier for the request.

Example:

"1"

method

enum<string>

default:getSlotLeaders

The name of the RPC method to invoke.

Available options:

getSlotLeaders

Example:

"getSlotLeaders"

params

integer[]

Parameters for specifying the start slot and limit.

Starting Solana slot number to begin retrieving the validator schedule from.

Example:

100

Response

Successfully retrieved slot leaders.

jsonrpc

enum<string>

The JSON-RPC protocol version.

Available options:

2.0

Example:

"2.0"

string

Identifier matching the request.

Example:

"1"

result

string[]

Ordered sequence of Solana validator identities scheduled for upcoming block production.

Solana validator identity (public key) scheduled as block producer for a specific slot.

⌘I

getSlotLeaders

curl --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getSlotLeaders",
  "params": [
    433341000,
    10
  ]
}
'

import requests

url = "https://mainnet.helius-rpc.com/?api-key="

payload = {
    "jsonrpc": "2.0",
    "id": "1",
    "method": "getSlotLeaders",
    "params": [433341000, 10]
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({jsonrpc: '2.0', id: '1', method: 'getSlotLeaders', params: [433341000, 10]})
};

fetch('https://mainnet.helius-rpc.com/?api-key=', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://mainnet.helius-rpc.com/?api-key=",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'jsonrpc' => '2.0',
    'id' => '1',
    'method' => 'getSlotLeaders',
    'params' => [
        433341000,
        10
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://mainnet.helius-rpc.com/?api-key="

	payload := strings.NewReader("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": \"1\",\n  \"method\": \"getSlotLeaders\",\n  \"params\": [\n    433341000,\n    10\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://mainnet.helius-rpc.com/?api-key=")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"2.0\",\n  \"id\": \"1\",\n  \"method\": \"getSlotLeaders\",\n  \"params\": [\n    433341000,\n    10\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://mainnet.helius-rpc.com/?api-key=")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"jsonrpc\": \"2.0\",\n  \"id\": \"1\",\n  \"method\": \"getSlotLeaders\",\n  \"params\": [\n    433341000,\n    10\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": [
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "ChorusmmK7i1AxXeiTtQgQZhQNiXYU84ULeaYF1EH15n",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "Awes4Tr6TX8JDzEhCZY2QVNimT6iD1zWHzf1vNyGvpLM",
    "DWvDTSh3qfn88UoQTEKRV2JnLt5jtJAVoiCo3ivtMwXP",
    "DWvDTSh3qfn88UoQTEKRV2JnLt5jtJAVoiCo3ivtMwXP"
  ]
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32001,
    "message": "Unauthorized"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32005,
    "message": "Too many requests"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32603,
    "message": "Internal error"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32002,
    "message": "Service unavailable"
  },
  "id": "1"
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32003,
    "message": "Gateway timeout"
  },
  "id": "1"
}

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getSlotLeaders

Request Parameters

Authorizations

Body

Response

​Request Parameters

Authorizations

Body

Response

Request Parameters