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Eth Logs

eth_getLogs are a key part of smart contract workflows to verify transactions and events.

Parameters​

  • fromBlock
  • toBlock
  • address
  • topics

Returns​

  • Address
  • Transactions asssociated
  • Miscellaneous data

Eth Logs Curl Query example​

//console.clear();require('dotenv').config({path: '.env'});const Web3 = require('web3');const { ethers } = require("ethers");const { curly } = require('node-libcurl');const urlHandler = require('../../handlers/url.handler');const httpHeaderJson = ['Content-Type: application/json', 'Accept: application/json'];const getEthLogsPayload = () => {    const ethLogsPayload = JSON.stringify(    {        "jsonrpc": "2.0",        "id": 0,        "method": "eth_getLogs",        "params": [            {            "fromBlock": "0x62788",            "toBlock": "0x62788",            "address": "0x0000000000000000000000000000000000337837",            "topics": [            "0x1e8d986845d4bfd60de4b157c3db0563b5db7b9c5534f56107727d6792c1f59e"            ]            }        ]    });    return ethLogsPayload;}describe('[CURL] Get Logs',  () => {    test('Should get Logs from Arhia Testnet', async () => {        // Arrange        const ethLogsPayload = getEthLogsPayload();        // Act        const { data } = await curly.post(urlHandler.getJsonRpcTestnet(), {            postFields: ethLogsPayload,            httpHeader: httpHeaderJson,        });        // Assert        expect(data.result.length).toBeGreaterThan(0);        expect(data.result[0].address).toBeDefined();        expect(data.result[0].blockHash).toBeDefined();        expect(data.result[0].blockNumber).toBeDefined();        expect(data.result[0].transactionIndex).toBeDefined();        expect(data.result[0].data).toBeDefined();        expect(data.result[0].address.length).toBeGreaterThan(20);    });});