testmempoolaccept - Litecoin

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

Returns result of mempool acceptance tests indicating if raw transaction would be accepted by mempool.

Parameters

Parameter	Type	Description
rawtxs	array	An array of hex strings of raw transactions.

Request examples

cURL

curl --location --request POST 'https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "testmempoolaccept",
    "params": [["0100000001..."]],
    "id": "getblock.io"
}'

Axios (JavaScript)

example.js

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "testmempoolaccept",
    "params": [["0100000001..."]],
    "id": "getblock.io"
});

const config = {
    method: 'post',
    url: 'https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/',
    headers: {
        'Content-Type': 'application/json'
    },
    data: data
};

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

Python (requests)

import requests
import json

url = "https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "testmempoolaccept",
    "params": [["0100000001..."]],
    "id": "getblock.io"
})

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

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

Rust (reqwest)

use reqwest::header;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = reqwest::Client::new();
    
    let response = client
        .post("https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/")
        .header(header::CONTENT_TYPE, "application/json")
        .body(r#"{
            "jsonrpc": "2.0",
            "method": "testmempoolaccept",
            "params": [["0100000001..."]],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": [{
        "txid": "txid...",
        "allowed": true,
        "vsize": 144,
        "fees": {
            "base": 0.00001000
        }
    }]
}

Response Parameters

Field	Type	Description
txid	string	The transaction hash.
allowed	boolean	If the mempool would accept the transaction.
vsize	number	Virtual transaction size.

Use Case

The testmempoolaccept method is essential for:

• Transaction validation

• Pre-broadcast testing

• Fee verification

• Error checking

Error Handling

Status Code	Error Message	Cause
403	Forbidden	Missing or invalid ACCESS-TOKEN.

Integration Notes

The testmempoolaccept method helps developers build robust applications that interact with the Litecoin blockchain.