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

Parámetros

objeto

objeto

Cargando...

commitment

cadena

Cargando...

finalized

cadena

Cargando...

confirmed

cadena

Cargando...

processed

cadena

Cargando...

minContextSlot

entero

Cargando...

Devoluciones

resultado

Cargando...

context

Cargando...

apiVersion

Cargando...

ranura

Cargando...

valor

Cargando...

blockhash

Cargando...

última altura de bloque válida

Cargando...

Solicitud

1
curl https://docs-demo.solana-mainnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"jsonrpc":"2.0","id":1, "method":"getLatestBlockhash", "params": [{"commitment":"processed"}]}'

1
curl https://docs-demo.solana-mainnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"jsonrpc":"2.0","id":1, "method":"getLatestBlockhash", "params": [{"commitment":"processed"}]}'

1
requiere «uri»
2
require "json"
3
require «net/http»
4

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

7
https = Net::HTTP.nuevo(url.host, url.puerto)
8
https.use_ssl = true
9

10
solicitud = Net::HTTP::POST.nuevo(URL)
11
solicitud[«Content-Type»] = "application/json"
12
solicitud.cuerpo = JSON.dump({
13
  «jsonrpc»: "2.0",
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  «id»: 1,
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  "method": "getLatestBlockhash",
16
  «params»: [
17
    {
18
      "commitment": "processed"
19
    }
20
  ]
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})
22

23
respuesta = https.solicitud(solicitud)
24
inserta la respuesta.read_body
25

1
requiere «uri»
2
require "json"
3
require «net/http»
4

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

7
https = Net::HTTP.nuevo(url.host, url.puerto)
8
https.use_ssl = true
9

10
solicitud = Net::HTTP::POST.nuevo(URL)
11
solicitud[«Content-Type»] = "application/json"
12
solicitud.cuerpo = JSON.dump({
13
  «jsonrpc»: "2.0",
14
  «id»: 1,
15
  "method": "getLatestBlockhash",
16
  «params»: [
17
    {
18
      "commitment": "processed"
19
    }
20
  ]
21
})
22

23
respuesta = https.solicitud(solicitud)
24
inserta la respuesta.read_body
25

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

3
(async () => {
4
  const solanaRpc = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
5
  
6
  prueba {
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
import { createSolanaRpc } from "@solana/kit";
2

3
(async () => {
4
  const solanaRpc = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
5
  
6
  prueba {
7
    const latestBlockhash = await solanaRpc.getLatestBlockhash().send();
8
    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/");
4
  console.log(await solana.getLatestBlockhash());
5
})();
6

1
const web3 = require("@solana/web3.js");
2
(async () => {
3
  const solana = new web3.Connection("https://docs-demo.solana-mainnet.quiknode.pro/");
4
  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/")
3
print(solana_client.get_latest_blockhash())

1
from solana.rpc.api import Client
2
solana_client = Client("https://docs-demo.solana-mainnet.quiknode.pro/")
3
print(solana_client.get_latest_blockhash())

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
            }
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        ]
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    }
22
    "#;
23
    let response = client
24
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
25
        .headers(headers)
26
        .body(json_data)
27
        .send()
28
        .await?; 
29

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

33
    Vale(())
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
        ]
21
    }
22
    "#;
23
    let response = client
24
        .post("https://docs-demo.solana-mainnet.quiknode.pro/")
25
        .headers(headers)
26
        .body(json_data)
27
        .send()
28
        .await?; 
29

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

33
    Vale(())
34
}

Respuesta

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
}

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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