eth_getTransactionCount - BSC

Example code for the eth_getTransactionCount JSON RPC method. Сomplete guide on how to use eth_getTransactionCount JSON RPC in GetBlock Web3 documentation.

This method returns the number of transactions sent from an address (nonce) on the BNB Smart Chain. This is essential for creating new transactions, as each transaction requires the correct nonce.

Parameters

Parameter

Type

Required

Description

address

string

Yes

Address to get nonce for

blockNumber

string

Yes

Block number or "latest", "pending"

Request Example

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_getTransactionCount",
    "params": ["0x8D97689C9818892B700e27F316cc3E41e17fBeb9", "latest"],
    "id": "getblock.io"
}'

example.js

const axios = require('axios');

const url = 'https://go.getblock.io/<ACCESS-TOKEN>/';

const payload = {
    jsonrpc: '2.0',
    method: 'eth_getTransactionCount',
    params: ['0x8D97689C9818892B700e27F316cc3E41e17fBeb9', 'latest'],
    id: 'getblock.io'
};

axios.post(url, payload, {
    headers: { 'Content-Type': 'application/json' }
})
.then(response => {
    const nonce = parseInt(response.data.result, 16);
    console.log('Nonce:', nonce);
})
.catch(error => console.error(error));

example.py

import requests

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

payload = {
    "jsonrpc": "2.0",
    "method": "eth_getTransactionCount",
    "params": ["0x8D97689C9818892B700e27F316cc3E41e17fBeb9", "latest"],
    "id": "getblock.io"
}

response = requests.post(url, headers={"Content-Type": "application/json"}, json=payload)
nonce = int(response.json()["result"], 16)
print(f"Nonce: {nonce}")

main.rs

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": "eth_getTransactionCount",
        "params": ["0x8D97689C9818892B700e27F316cc3E41e17fBeb9", "latest"],
        "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

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": "0x15"
}

Response Parameters

Parameter

Type

Description

result

string

Nonce in hex (0x15 = 21)

Use Cases

Get nonce for transaction signing
Track account activity
Detect pending transactions
Prevent nonce conflicts

Error Handling

Error Code

Description

-32602

Invalid params

-32603

Internal error

SDK Integration

ethers-example.js

const { ethers } = require('ethers');

const provider = new ethers.JsonRpcProvider('https://go.getblock.io/<ACCESS-TOKEN>/');

const nonce = await provider.getTransactionCount('0x8D97689C9818892B700e27F316cc3E41e17fBeb9');
console.log('Nonce:', nonce);

viem-example.js

import { createPublicClient, http } from 'viem';
import { bsc } from 'viem/chains';

const client = createPublicClient({
    chain: bsc,
    transport: http('https://go.getblock.io/<ACCESS-TOKEN>/')
});

const nonce = await client.getTransactionCount({
    address: '0x8D97689C9818892B700e27F316cc3E41e17fBeb9'
});
console.log('Nonce:', nonce);

Previouseth_sendRawTransaction - BSC Nexteth_getTransactionByBlockHashAndIndex - BSC

Last updated 12 days ago

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