eth_getLogs

Network: Arc · Mainnet · Chain ID 5042 (0x13b2)

Data: full node. Old-block state is not available on Arc; query recent blocks.

Counts as 1 request. See Request Counting.

Returns an array of all logs matching a given filter object. This is one of the most commonly used methods for indexing and monitoring smart contract events.

Parameters

Object — Filter options:

Field	Type	Description
fromBlock	QUANTITY\|TAG	Start block (default: `"latest"`)
toBlock	QUANTITY\|TAG	End block (default: `"latest"`)
address	DATA\|Array	Contract address(es) to filter
topics	Array	Topic filters (indexed event params)
blockHash	DATA	Restricts to a single block

Returns

Array — Array of log objects:

Field	Type	Description
address	DATA	Contract that emitted the log
topics	`Array<DATA>`	Indexed event parameters
data	DATA	Non-indexed event parameters
blockNumber	QUANTITY	Block number
transactionHash	DATA	Transaction hash
logIndex	QUANTITY	Log index in block

Request


{
  "jsonrpc": "2.0",
  "method": "eth_getLogs",
  "params": [
    {
      "fromBlock": "0x134E800",
      "toBlock": "0x134E810",
      "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
      "topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]
    }
  ],
  "id": 1
}

The example filters ERC-20 Transfer events for one token contract. Replace address and the block range with values on Arc.

The topic 0xddf252ad... is the keccak-256 hash of Transfer(address,address,uint256).

Code Examples


curl -X POST https://arc-rpc.blockreq.com/v1/rpc/public \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_getLogs","params":[{"fromBlock":"0x134E800","toBlock":"0x134E810","address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}],"id":1}'


const response = await fetch("https://arc-rpc.blockreq.com/v1/rpc/public", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
  "jsonrpc": "2.0",
  "method": "eth_getLogs",
  "params": [
    {
      "fromBlock": "0x134E800",
      "toBlock": "0x134E810",
      "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
      ]
    }
  ],
  "id": 1
}),
});
const data = await response.json();
console.log(data.result);


import requests

response = requests.post(
    "https://arc-rpc.blockreq.com/v1/rpc/public",
    json={
  "jsonrpc": "2.0",
  "method": "eth_getLogs",
  "params": [
    {
      "fromBlock": "0x134E800",
      "toBlock": "0x134E810",
      "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
      ]
    }
  ],
  "id": 1
}
)
print(response.json()["result"])


package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"net/http"
)

func main() {
	payload := []byte(`{"jsonrpc":"2.0","method":"eth_getLogs","params":[{"fromBlock":"0x134E800","toBlock":"0x134E810","address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}],"id":1}`)
	resp, err := http.Post(
		"https://arc-rpc.blockreq.com/v1/rpc/public",
		"application/json",
		bytes.NewBuffer(payload),
	)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()

	body, _ := io.ReadAll(resp.Body)
	var result map[string]interface{}
	json.Unmarshal(body, &result)
	fmt.Println(result["result"])
}


import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://arc-rpc.blockreq.com/v1/rpc/public"),
});

const result = await client.request({
  method: "eth_getLogs",
  params: [{"fromBlock":"0x134E800","toBlock":"0x134E810","address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}],
});
console.log(result);


cast rpc --rpc-url https://arc-rpc.blockreq.com/v1/rpc/public eth_getLogs {"fromBlock":"0x134E800","toBlock":"0x134E810","address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}


const { ethers } = require("hardhat");

async function main() {
  const provider = new ethers.JsonRpcProvider("https://arc-rpc.blockreq.com/v1/rpc/public");
  const result = await provider.send("eth_getLogs", [{"fromBlock":"0x134E800","toBlock":"0x134E810","address":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","topics":["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}]);
  console.log(result);
}

main();

eth_getLogs

Parameters

Returns

Request

Code Examples

Try It