const fs = require("fs");
const got = require("got");
const contract = fs.readFileSync("./CONTRACT_NAME_HERE.sol", "utf-8");
const response = await got({
url: "https://avascan.info/api/v1/verify-contract",
"address": "CONTRACT_ADDRESS_HERE",
"version": "VERSION_OF_SOLC_COMPILER_HERE",
"content": CONTRACT_CODE_HERE
"CONTRACT_NAME_HERE.sol": {
"runs": NUMBER_OF_RUNS_HERE
}).then(res => res.body);