eth_getStorageAt - Mantle

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

This method returns the value from a storage position at a given address on the Mantle network.

Parameters

Parameter

Type

Description

address

string

20-byte storage address

position

string

Storage position (hex)

blockParameter

string

Block number in hex, or "latest", "earliest", "pending"

Request examples

curl

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_getStorageAt",
    "params": ["0x201EBa5CC46D216Ce6DC03F6a759e8E766e956aE", "0x0", "latest"],
    "id": "getblock.io"
}'

example.js

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "eth_getStorageAt",
    "params": ["0x201EBa5CC46D216Ce6DC03F6a759e8E766e956aE", "0x0", "latest"],
    "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)))
    .catch(error => console.log(error));

example.py

import requests
import json

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

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "eth_getStorageAt",
    "params": ["0x201EBa5CC46D216Ce6DC03F6a759e8E766e956aE", "0x0", "latest"],
    "id": "getblock.io"
})

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

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

main.rs

use reqwest::header;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = reqwest::Client::new();
    
    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header(header::CONTENT_TYPE, "application/json")
        .body(r#"{
            "jsonrpc": "2.0",
            "method": "eth_getStorageAt",
            "params": ["0x201EBa5CC46D216Ce6DC03F6a759e8E766e956aE", "0x0", "latest"],
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": "0x0000000000000000000000000000000000000000000000000000000000000000"
}

Response Parameters

Field

Type

Description

jsonrpc

string

JSON-RPC protocol version ("2.0")

string

Request identifier matching the request

result

string

Value at storage position (32 bytes, hex)

Use Case

The eth_getStorageAt method is essential for:

Reading raw contract storage
Smart contract state inspection
Protocol analysis
Security auditing
Debugging contract behavior
Direct storage slot access

Error Handling

Status Code

Error Message

Cause

403

Forbidden

Missing or invalid ACCESS-TOKEN

-32602

Invalid params

Invalid address or position

Web3 Integration

ethers.js

import { ethers } from 'ethers';

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

const storage = await provider.getStorage('0x201EBa5CC46D216Ce6DC03F6a759e8E766e956aE', 0);
console.log('Storage value:', storage);

viem.js

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

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

const storage = await client.getStorageAt({
    address: '0x201EBa5CC46D216Ce6DC03F6a759e8E766e956aE',
    slot: '0x0'
});
console.log('Storage value:', storage);

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