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

パラメータ

オブジェクト

オブジェクト

読み込み中...

commitment

文字列

読み込み中...

finalized

文字列

読み込み中...

confirmed

文字列

読み込み中...

processed

文字列

読み込み中...

minContextSlot

整数

読み込み中...

返品

結果

読み込み中...

context

読み込み中...

apiVersion

読み込み中...

slot

読み込み中...

値

読み込み中...

blockhash

読み込み中...

lastValidBlockHeight

読み込み中...

リクエスト

1
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"}]}'

1
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"}]}'

1
require "uri"
2
require "json"
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require "net/http"
4

5
url = URI("https://docs-demo.solana-mainnet.quiknode.pro/")
6

7
https = ネット::HTTP.new(url.ホスト, url.ポート)
8
https.use_ssl = true
9

10
リクエスト = ネット::HTTP::POST.new(URL)
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リクエスト["Content-Type"] = "application/json"
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リクエスト.本文 = JSON.dump({
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  「jsonrpc」: "2.0",
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  "id": 1,
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  "method": "getLatestBlockhash",
16
  "params": [
17
    {
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      "commitment": "processed"
19
    }
20
  ]
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})
22

23
回答 = https.リクエスト(リクエスト)
24
レスポンスを格納する.read_body
25

1
require "uri"
2
require "json"
3
require "net/http"
4

5
url = URI("https://docs-demo.solana-mainnet.quiknode.pro/")
6

7
https = ネット::HTTP.new(url.ホスト, url.ポート)
8
https.use_ssl = true
9

10
リクエスト = ネット::HTTP::POST.new(URL)
11
リクエスト["Content-Type"] = "application/json"
12
リクエスト.本文 = JSON.dump({
13
  「jsonrpc」: "2.0",
14
  "id": 1,
15
  "method": "getLatestBlockhash",
16
  "params": [
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    {
18
      "commitment": "processed"
19
    }
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  ]
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})
22

23
回答 = https.リクエスト(リクエスト)
24
レスポンスを格納する.read_body
25

1
import { createSolanaRpc } from "@solana/kit";
2

3
(async () => {
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  const solanaRpc = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
5
  
6
  try {
7
    const latestBlockhash = await solanaRpc.getLatestBlockhash().send();
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    console.log(latestBlockhash);
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  } catch (error) {
10
    console.error("Error fetching latest blockhash:", error);
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  }
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})();

1
import { createSolanaRpc } from "@solana/kit";
2

3
(async () => {
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  const solanaRpc = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
5
  
6
  try {
7
    const latestBlockhash = await solanaRpc.getLatestBlockhash().send();
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    console.log(latestBlockhash);
9
  } catch (error) {
10
    console.error("Error fetching latest blockhash:", error);
11
  }
12
})();

1
const web3 = require("@solana/web3.js");
2
(async () => {
3
  const solana = new web3.Connection("https://docs-demo.solana-mainnet.quiknode.pro/");
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  console.log(await solana.getLatestBlockhash());
5
})();
6

1
const web3 = require("@solana/web3.js");
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(async () => {
3
  const solana = new web3.Connection("https://docs-demo.solana-mainnet.quiknode.pro/");
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  console.log(await solana.getLatestBlockhash());
5
})();
6

1
from solana.rpc.api import Client
2
solana_client = Client("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 = Client("https://docs-demo.solana-mainnet.quiknode.pro/")
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print(solana_client.get_latest_blockhash())

1
use reqwest::header;
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use reqwest::Client;
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use std::error::Error;
4

5
#[tokio::main]
6
async fn main() -> Result<(), Box<dyn Error>> {
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    let mut headers = header::HeaderMap::new();
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    headers.insert("Content-Type", "application/json".parse().unwrap());
9

10
    let client = Client::new();
11
    let json_data = r#"
12
    {
13
        "jsonrpc": "2.0",
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        "id": 1,
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        "method": "getLatestBlockhash",
16
        "params": [
17
            {
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                "commitment": "processed"
19
            }
20
        ]
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    }
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    "#;
23
    let response = client
24
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
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        .headers(headers)
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        .body(json_data)
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        .send()
28
        .await?; 
29

30
    let body = response.text().await?;
31
    println!("{}", body);
32

33
    Ok(())
34
}

1
use reqwest::header;
2
use reqwest::Client;
3
use std::error::Error;
4

5
#[tokio::main]
6
async fn main() -> Result<(), Box<dyn Error>> {
7
    let mut headers = header::HeaderMap::new();
8
    headers.insert("Content-Type", "application/json".parse().unwrap());
9

10
    let client = Client::new();
11
    let json_data = r#"
12
    {
13
        "jsonrpc": "2.0",
14
        "id": 1,
15
        "method": "getLatestBlockhash",
16
        "params": [
17
            {
18
                "commitment": "processed"
19
            }
20
        ]
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    }
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    "#;
23
    let response = client
24
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
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        .headers(headers)
26
        .body(json_data)
27
        .send()
28
        .await?; 
29

30
    let body = response.text().await?;
31
    println!("{}", body);
32

33
    Ok(())
34
}

回答

1
{
2
  「jsonrpc」: "2.0",
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  "result": {
4
    "context": {
5
      "slot": 2792
6
    },
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    "value": {
8
      "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
9
      "lastValidBlockHeight": 3090
10
    }
11
  },
12
  "id": 1
13
}

1
{
2
  「jsonrpc」: "2.0",
3
  "result": {
4
    "context": {
5
      "slot": 2792
6
    },
7
    "value": {
8
      "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
9
      "lastValidBlockHeight": 3090
10
    }
11
  },
12
  "id": 1
13
}

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