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@miguelmota
Created September 10, 2023 07:03
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JavaScript get etherscan logs by topic for contract address
async function getEtherscanLogs (chain: string, fromBlock: number, toBlock: number, address: string, topic0: string, topic1?: string) {
const baseUrl = 'https://api-goerli.etherscan.io'
let url = `${baseUrl}/api?module=logs&action=getLogs&address=${address}&fromBlock=${fromBlock}&toBlock=${toBlock}&topic0=${topic0}&page=1&offset=0&apikey=YourApiKeyToken`
if (topic1) {
url += `&topic0_1_opr=and&topic1=${topic1}`
}
const res = await fetch(url)
const json = await res.json()
const logs = json.result
return logs
}
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