eth_getLogs - Tempo

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

Returns logs matching a given filter. Filters specify block range, address, and indexed topics — efficient retrieval of contract events like TIP-20 transfers.

Parameters

Parameter

Type

Required

Description

filterObject

object

Yes

Filter with optional fromBlock, toBlock, address (single or array), topics (array of topic filters)

Request Example

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "eth_getLogs",
    "params": [
        {
            "fromBlock": "0x9c3b",
            "toBlock": "latest",
            "address": "0x4242424242424242424242424242424242424242",
            "topics": [
                "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
            ]
        }
    ],
    "id": "getblock.io"
}'

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "eth_getLogs",
    "params": [
        {
            "fromBlock": "0x9c3b",
            "toBlock": "latest",
            "address": "0x4242424242424242424242424242424242424242",
            "topics": [
                "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
            ]
        }
    ],
    "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": "eth_getLogs",
    "params": [
        {
            "fromBlock": "0x9c3b",
            "toBlock": "latest",
            "address": "0x4242424242424242424242424242424242424242",
            "topics": [
                "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
            ]
        }
    ],
    "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": "eth_getLogs",
        "params": [
                {
                        "fromBlock": "0x9c3b",
                        "toBlock": "latest",
                        "address": "0x4242424242424242424242424242424242424242",
                        "topics": [
                                "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
                        ]
                }
        ],
        "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": [
        {
            "address": "0x4242424242424242424242424242424242424242",
            "blockHash": "0x6baa8fa86b9a7e5d3f1c8a4b6e9d2f5a8c3e7b1d4f9a6c2e5b8d3f7a1c4e9b2d",
            "blockNumber": "0x9c40",
            "data": "0x0000000000000000000000000000000000000000000000000000000005f5e100",
            "logIndex": "0x0",
            "removed": false,
            "topics": [
                "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
                "0x000000000000000000000000d85498dbeaeb1df24be52eed4f52eac2fbd56245",
                "0x0000000000000000000000009e7c5e3e3a3b8e1aa0e2d4c7f9d4b0c8b8d5f1a2"
            ],
            "transactionHash": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b",
            "transactionIndex": "0x0"
        }
    ]
}

Response Parameters

Field

Type

Description

result

array

Array of log objects matching the filter

result[].address

string

Contract address that emitted the log

result[].topics

array of string

Indexed event topics; topic 0 is typically the event signature hash

result[].data

string

Non-indexed event data (ABI-encoded)

Use Cases

Indexing TIP-20 stablecoin transfers on Tempo
Tracking Tempo stablecoin DEX swap events
Building payment activity feeds for wallets and merchant dashboards
Backfilling historical payment activity

Error Handling

Status Code

Error Message

Cause

403

Forbidden

Missing or invalid <ACCESS-TOKEN>

-32602

Invalid params

Request parameters are missing or malformed

429

Too Many Requests

Rate limit exceeded for your plan

-32005

Limit exceeded

Block range or returned result set exceeds the provider's limit; narrow your filter

SDK Integration

import { ethers } from 'ethers';

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

const result = await provider.send('eth_getLogs', [{"fromBlock": "0x9c3b", "toBlock": "latest", "address": "0x4242424242424242424242424242424242424242", "topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}]);
console.log(result);

import { createPublicClient, http, defineChain } from 'viem';

// Tempo is not yet in viem/chains as a built-in — define it inline.
const tempo = defineChain({
    id: 4217,
    name: 'Tempo',
    network: 'tempo',
    // Tempo has no native gas token. The `nativeCurrency` field is required by viem's
    // type system; values shown here are a no-op placeholder — actual fees are paid in TIP-20.
    nativeCurrency: { name: 'USD Placeholder', symbol: 'USD', decimals: 18 },
    rpcUrls: {
        default: { http: ['https://go.getblock.io/<ACCESS-TOKEN>/'] }
    },
    blockExplorers: { default: { name: 'Tempo Explorer', url: 'https://explore.tempo.xyz' } }
});

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

const result = await client.request({ method: 'eth_getLogs', params: [{"fromBlock": "0x9c3b", "toBlock": "latest", "address": "0x4242424242424242424242424242424242424242", "topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}] });
console.log(result);

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