getLatestBlockhash RPC Method

Please note that this method is only available in solana-core v1.9 or newer. Please use getRecentBlockhash for solana-core v1.8

参数

对象

对象

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承诺

字符串

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已最终确定

字符串

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已确认

字符串

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已处理

字符串

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minContextSlot

整数

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退货

结果

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上下文

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apiVersion

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插槽

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值

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blockhash

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lastValidBlockHeight

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请求

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curl https://docs-demo.solana-mainnet.quiknode.pro/ \
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  -X POST \
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  -H "Content-Type: application/json" \
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  --data '{"jsonrpc":"2.0","id":1, "method":"getLatestBlockhash", "params": [{"commitment":"processed"}]}'

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curl https://docs-demo.solana-mainnet.quiknode.pro/ \
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  -X POST \
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  -H "Content-Type: application/json" \
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  --data '{"jsonrpc":"2.0","id":1, "method":"getLatestBlockhash", "params": [{"commitment":"processed"}]}'

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require "uri"
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require "json"
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require "net/http"
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url = URI("https://docs-demo.solana-mainnet.quiknode.pro/")
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https = Net::HTTP.new(url.主机, url.端口)
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https.use_ssl = true
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请求 = Net::HTTP::POST.new(url)
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请求["Content-Type"] = "application/json"
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请求.请求体 = JSON.dump({
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  “jsonrpc”: "2.0",
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  "id": 1,
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  "method": "getLatestBlockhash",
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  “params”: [
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    {
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      "commitment": "processed"
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    }
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  ]
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})
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回复 = https.请求(请求)
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返回响应.read_body
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require "uri"
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require "json"
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require "net/http"
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url = URI("https://docs-demo.solana-mainnet.quiknode.pro/")
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https = Net::HTTP.new(url.主机, url.端口)
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https.use_ssl = true
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请求 = Net::HTTP::POST.new(url)
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请求["Content-Type"] = "application/json"
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请求.请求体 = JSON.dump({
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  “jsonrpc”: "2.0",
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  "id": 1,
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  "method": "getLatestBlockhash",
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  “params”: [
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    {
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      "commitment": "processed"
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    }
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  ]
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})
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回复 = https.请求(请求)
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返回响应.read_body
25

1
import { createSolanaRpc } from "@solana/kit";
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(async () => {
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  const solanaRpc = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
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  试一试 {
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    const latestBlockhash = await solanaRpc.getLatestBlockhash().send();
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    console.log(latestBlockhash);
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  } catch (error) {
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    console.error("Error fetching latest blockhash:", error);
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  }
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})();

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import { createSolanaRpc } from "@solana/kit";
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(async () => {
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  const solanaRpc = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
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  试一试 {
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    const latestBlockhash = await solanaRpc.getLatestBlockhash().send();
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    console.log(latestBlockhash);
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  } catch (error) {
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    console.error("Error fetching latest blockhash:", error);
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  }
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})();

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const web3 = require("@solana/web3.js");
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(async () => {
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  const solana = new web3.连接(“https://docs-demo.solana-mainnet.quiknode.pro/”);
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  console.log(await solana.getLatestBlockhash());
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})();
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const web3 = require("@solana/web3.js");
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(async () => {
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  const solana = new web3.连接(“https://docs-demo.solana-mainnet.quiknode.pro/”);
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  console.log(await solana.getLatestBlockhash());
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})();
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from solana.rpc.api import Client
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solana_client = 客户端(“https://docs-demo.solana-mainnet.quiknode.pro/”)
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print(solana_client.get_latest_blockhash())

1
from solana.rpc.api import Client
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solana_client = 客户端(“https://docs-demo.solana-mainnet.quiknode.pro/”)
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print(solana_client.get_latest_blockhash())

1
使用 reqwest::header;
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使用 reqwest::客户端;
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使用 std::error::错误;
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn Error>> {
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    let mut 头文件 = header::HeaderMap::new();
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    标题.插入("Content-Type", "application/json".parse().unwrap());
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    let 客户端 = Client::new();
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    let json_data = r#"
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    {
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        "jsonrpc": "2.0",
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        "id": 1,
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        "method": "getLatestBlockhash",
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        "params": [
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            {
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                "commitment": "processed"
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            }
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        ]
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    }
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    "#;
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    let 响应 = 客户端
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        .帖子(“https://docs-demo.solana-mainnet.quiknode.pro/”)
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        .标题(标题))
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        .正文(json_data)
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        .发送()
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        .await？; 
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    let 正文 = 响应.text().await?;
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    println!("{}", body);
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    好的(())
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}

1
使用 reqwest::header;
2
使用 reqwest::客户端;
3
使用 std::error::错误;
4

5
#[tokio::main]
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async fn main() -> Result<(), Box<dyn Error>> {
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    let mut 头文件 = header::HeaderMap::new();
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    标题.插入("Content-Type", "application/json".parse().unwrap());
9

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    let 客户端 = Client::new();
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    let json_data = r#"
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    {
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        "jsonrpc": "2.0",
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        "id": 1,
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        "method": "getLatestBlockhash",
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        "params": [
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            {
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                "commitment": "processed"
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            }
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        ]
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    }
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    "#;
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    let 响应 = 客户端
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        .帖子(“https://docs-demo.solana-mainnet.quiknode.pro/”)
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        .标题(标题))
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        .正文(json_data)
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        .发送()
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        .await？; 
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    let 正文 = 响应.text().await?;
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    println!("{}", body);
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    好的(())
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}

回复

1
{
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  “jsonrpc”: "2.0",
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  "result": {
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    "context": {
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      "slot": 2792
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    },
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    "value": {
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      "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
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      "lastValidBlockHeight": 3090
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    }
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  },
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  "id": 1
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}

1
{
2
  “jsonrpc”: "2.0",
3
  "result": {
4
    "context": {
5
      "slot": 2792
6
    },
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    "value": {
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      "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
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      "lastValidBlockHeight": 3090
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    }
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  },
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  "id": 1
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}

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