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

Parâmetros

objeto

objeto

A carregar...

commitment

cadeia de caracteres

A carregar...

finalized

cadeia de caracteres

A carregar...

confirmed

cadeia de caracteres

A carregar...

processed

cadeia de caracteres

A carregar...

minContextSlot

número inteiro

A carregar...

Devoluções

resultado

A carregar...

context

A carregar...

apiVersion

A carregar...

slot

A carregar...

valor

A carregar...

blockhash

A carregar...

lastValidBlockHeight

A carregar...

Pedido

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

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

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

7
https = Net::HTTP.novo(url.host, url.porta)
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https.use_ssl = true
9

10
pedido = Líquido::HTTP::POST.novo(url)
11
pedido["Content-Type"] = "application/json"
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pedido.corpo = 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
    }
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  ]
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})
22

23
resposta = https.pedido(pedido)
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insere a resposta.read_body
25

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

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

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

10
pedido = Líquido::HTTP::POST.novo(url)
11
pedido["Content-Type"] = "application/json"
12
pedido.corpo = JSON.dump({
13
  "jsonrpc": "2.0",
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  "id": 1,
15
  "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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})
22

23
resposta = https.pedido(pedido)
24
insere a resposta.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
  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);
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  }
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})();

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

3
(async () => {
4
  const solanaRpc = createSolanaRpc("https://docs-demo.solana-mainnet.quiknode.pro/");
5
  
6
  try {
7
    const latestBlockhash = await solanaRpc.getLatestBlockhash().send();
8
    console.log(latestBlockhash);
9
  } catch (error) {
10
    console.error("Error fetching latest blockhash:", error);
11
  }
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})();

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
            }
20
        ]
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    }
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    "#;
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
    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
        ]
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
    Ok(())
34
}

Resposta

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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