eth_getStorageAt - Worldchain

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

Returns the value at a given storage position on the World Chain network.

Parameters

Parameter	Type	Description
address	string	The address of the storage (20 bytes)
position	string	The position in the storage (hex)
blockNumber	string	Block number in hex, or "latest", "earliest", "pending"

Request

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": "eth_getStorageAt",
    "params": ["0x1234567890123456789012345678901234567890", "0x0", "latest"],
    "id": "getblock.io"
}'

JavaScript (axios)

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "eth_getStorageAt",
    "params": ["0x1234567890123456789012345678901234567890", "0x0", "latest"],
    "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": "eth_getStorageAt",
    "params": ["0x1234567890123456789012345678901234567890", "0x0", "latest"],
    "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": "eth_getStorageAt",
            "params": ["0x1234567890123456789012345678901234567890", "0x0", "latest"],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": "0x0000000000000000000000000000000000000000000000000000000000000001"
}

Response Parameters

Field	Type	Description
result	string	The value at this storage position

Use Case

The eth_getStorageAt method on World Chain is typically used for:

• Reading contract state

• Debugging contracts

• State verification

• Contract analysis

Error Handling

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

Web3 Integration

Ethers.js

import { ethers } from 'ethers';

const provider = new ethers.JsonRpcProvider('https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/');

const storage = await provider.getStorage('0x1234567890123456789012345678901234567890', 0);
console.log('Storage:', storage);

Viem

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

const client = createPublicClient({
    chain: worldchain,
    transport: http('https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/')
});

const storage = await client.getStorageAt({
    address: '0x1234567890123456789012345678901234567890',
    slot: '0x0'
});
console.log('Storage:', storage);