truffle-config.js

const privateKey = ""
const accessKeyId = ''
const secretAccessKey = ''

const Caver = require('caver-js');
const HDWalletProvider = require("truffle-hdwallet-provider-klaytn");

module.exports = {
  networks: {
    //ganache
    test: {
      host: "127.0.0.1",
      port: 7545,
      network_id: "*"
    },
    kasBaobab: {
      provider: () => {
        const option = {
          headers: [
            {
              name: "Authorization",
              value:
                "Basic " +
                Buffer.from(accessKeyId + ":" + secretAccessKey).toString(
                  "base64"
                ),
            },
            { name: "x-chain-id", value: "1001" },
          ],
          keepAlive: false,
        };
        return new HDWalletProvider(
          privateKey,
          new Caver.providers.HttpProvider(
            "https://node-api.klaytnapi.com/v1/klaytn",
            option
          )
        );
      },
      network_id: "1001", //Klaytn baobab testnet's network id
      gas: "8500000",
      gasPrice: "25000000000",
    },
    kasCypress: {
      provider: () => {
        const option = {
          headers: [
            {
              name: "Authorization",
              value:
                "Basic " +
                Buffer.from(accessKeyId + ":" + secretAccessKey).toString(
                  "base64"
                ),
            },
            { name: "x-chain-id", value: "8217" },
          ],
          keepAlive: false,
        };
        return new HDWalletProvider(
          privateKey,
          new Caver.providers.HttpProvider(
            "https://node-api.klaytnapi.com/v1/klaytn",
            option
          )
        );
      },
      network_id: "8217", //Klaytn Cypress testnet's network id
      gas: "8500000",
      gasPrice: "25000000000",
    },
  },
};