submit_block - Monero

Example code for the submit_block JSON-RPC method. Complete guide on how to use submit_block JSON-RPC in GetBlock Web3 documentation.

This method submits a mined block to the network. The block blob must be hex-encoded and ordered correctly. The params field is a single-element array containing the block blob.

Parameters

Parameter

Type

Required

Description

params[0]

string

Yes

Hex-encoded block blob from a successful mining solution

Request Example

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "submit_block",
    "params": [
        "0707e6bdfedc053771512f1bc27c62731ae9e8f2443db64ce742f4e57f5cf8d393de28551e441a0000000002fb830a01ffbf830a018cfe88bee283060274c0aae2ef5730e680308d9c00b6da59187ad0352efe3c71d36eeeb28782f29f2501bd56b952c3ddc3e350c2631d3a5086cac172c56893831228b17de296ff4669de020200000000"
    ],
    "id": "getblock.io"
}'

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "submit_block",
    "params": [
        "0707e6bdfedc053771512f1bc27c62731ae9e8f2443db64ce742f4e57f5cf8d393de28551e441a0000000002fb830a01ffbf830a018cfe88bee283060274c0aae2ef5730e680308d9c00b6da59187ad0352efe3c71d36eeeb28782f29f2501bd56b952c3ddc3e350c2631d3a5086cac172c56893831228b17de296ff4669de020200000000"
    ],
    "id": "getblock.io"
});

const config = {
    method: 'post',
    url: 'https://go.getblock.io/<ACCESS-TOKEN>/',
    headers: {
        'Content-Type': 'application/json'
    },
    data: data
};

axios(config)
    .then(response => console.log(JSON.stringify(response.data, null, 2)))
    .catch(error => console.log(error));

import requests
import json

url = "https://go.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "submit_block",
    "params": [
        "0707e6bdfedc053771512f1bc27c62731ae9e8f2443db64ce742f4e57f5cf8d393de28551e441a0000000002fb830a01ffbf830a018cfe88bee283060274c0aae2ef5730e680308d9c00b6da59187ad0352efe3c71d36eeeb28782f29f2501bd56b952c3ddc3e350c2631d3a5086cac172c56893831228b17de296ff4669de020200000000"
    ],
    "id": "getblock.io"
})

headers = {
    'Content-Type': 'application/json'
}

response = requests.post(url, headers=headers, data=payload)
print(response.text)

use reqwest::Client;
use serde_json::json;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();

    let payload = json!({
        "jsonrpc": "2.0",
        "method": "submit_block",
        "params": [
                "0707e6bdfedc053771512f1bc27c62731ae9e8f2443db64ce742f4e57f5cf8d393de28551e441a0000000002fb830a01ffbf830a018cfe88bee283060274c0aae2ef5730e680308d9c00b6da59187ad0352efe3c71d36eeeb28782f29f2501bd56b952c3ddc3e350c2631d3a5086cac172c56893831228b17de296ff4669de020200000000"
        ],
        "id": "getblock.io"
});

    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header("Content-Type", "application/json")
        .json(&payload)
        .send()
        .await?;

    let result: serde_json::Value = response.json().await?;
    println!("{:#?}", result);

    Ok(())
}

Response Example

{
    "id": "getblock.io",
    "jsonrpc": "2.0",
    "result": {
        "status": "OK",
        "untrusted": false
    }
}

Response Parameters

Field

Type

Description

result.status

string

OK if the block was accepted

result.untrusted

boolean

true if the node is in bootstrap mode

Use Cases

Submitting successful mining solutions
Mining pool block broadcast
Solo mining clients

Error Handling

Status Code

Error Message

Cause

404

Not Found

Missing or invalid <ACCESS-TOKEN>

429

Too Many Requests

Rate limit exceeded for your plan

-7

Block not accepted

Submitted block failed validation (bad PoW, stale, malformed)

SDK Integration

import monerojs from 'monero-javascript';

const daemon = await monerojs.connectToDaemonRpc('https://go.getblock.io/<ACCESS-TOKEN>/');

// Most methods are exposed directly on the daemon client. For raw access:
const result = await daemon.getDaemonConnection().sendJsonRequest('submit_block', ["0707e6bdfedc053771512f1bc27c62731ae9e8f2443db64ce742f4e57f5cf8d393de28551e441a0000000002fb830a01ffbf830a018cfe88bee283060274c0aae2ef5730e680308d9c00b6da59187ad0352efe3c71d36eeeb28782f29f2501bd56b952c3ddc3e350c2631d3a5086cac172c56893831228b17de296ff4669de020200000000"]);
console.log(result);

from monero.backends.jsonrpc import JSONRPCDaemon
from monero.daemon import Daemon

backend = JSONRPCDaemon(host='go.getblock.io', port=443, path='/<ACCESS-TOKEN>/', protocol='https')
daemon = Daemon(backend)

# For methods covered by the typed API, use the daemon attribute directly.
# For raw RPC access:
result = backend.raw_request('submit_block', ["0707e6bdfedc053771512f1bc27c62731ae9e8f2443db64ce742f4e57f5cf8d393de28551e441a0000000002fb830a01ffbf830a018cfe88bee283060274c0aae2ef5730e680308d9c00b6da59187ad0352efe3c71d36eeeb28782f29f2501bd56b952c3ddc3e350c2631d3a5086cac172c56893831228b17de296ff4669de020200000000"])
print(result)

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