script file to interact with governance contract using caver.js

governance.js

// Interact with governanceToken contract with caver-js
// Import caver.js and each governance contract ABI

const Caver = require('caver-js')
const governanceTokenABI = require("../abi/governance/governanceToken.json")
const governanceMintableTokenABI = require("../abi/governance/govtMintableTokenContract.json")
const governanceContractABI = require("../abi/governance/governanceContract.json")

// Initialize caver.js and the each governance contract
const caver = new Caver('https://api.baobab.klaytn.net:8651/')
const governanceTokenAddr = "<PASTE GOVERNANCE TOKEN CONTRACT ADDRESS>";
const governanceMintableTokenAddr = "<<PASTE GOVERNANCE MINTABLE TOKEN CONTRACT ADDRESS>>";
const governanceContractAddr = "<PASTE GOVERNANCE CONTRACT ADDRESS>";
const contract = caver.contract.create(governanceTokenABI, governanceTokenAddr);
const govtMintableContract = caver.contract.create(governanceMintableTokenABI, governanceMintableTokenAddr);
const governanceContract = caver.contract.create(governanceContractnABI, governanceContractAddr);

// Create and add keyring
// Provide the private key of the address that deployed each governance contract in this tutorial
const keyring = caver.wallet.keyring.createFromPrivateKey("<PASTE YOUR PRIVATE KEY>")
caver.wallet.add(keyring)
// function to delegate
//  provide an account to be able to cast votes in the governance contract.
const delegateAccount = async (delegatee) => {
    contract.send({from: keyring.address, gas: 1500000, value: 0}, 'delegate', delegatee)
    .then(receipt => {
        console.log(receipt);
    })
    .catch(err => {
        console.log(err);
    })
}
// check delegates
const  checkDelegates = async (addr) => {
    contract.methods.delegates(addr).call()
    .then(result => {
        console.log(result);
    })
 }
// Transfer the contract ownership
// Your governance contract can now mint the ERC-20 tokens.
const transferOwnership = async () => {
    const newOwner = "<PASTE GOVERNANCE CONTRACT ADDRESS>"; // governance contract
    govtMintableContract.send({from: keyring.address, gas: 1500000, value: 0}, 'transferOwnership', newOwner)
    .then(receipt => {
        console.log(receipt);
    })
    .catch(err => {
        console.log(err);
    })
}
// check new owner
const  checkNewOwner = async () => {
    govtMintableContract.methods.owner().call()
    .then(result => {
        console.log(result);
    })
 }
// Propose
// create the actual proposal on the governance contract.
const propose = async () => {
    const target = ["<PASTE GOVERNANCE MINTABLE TOKEN CONTRACT ADDRESS>"] // KIP7 Mintable Token Contract Address
    const values = ["0"] 
    const calldata = ["<PASTE YOUR CALL DATA>"]
    const description = "First Proposal";
    governanceContract.send({from: keyring.address, gas: 1500000, value: 0}, 'propose', target, values, calldata, description)
    .then(receipt => {
        console.log(receipt.events.ProposalCreated.returnValues.proposalId);
    })
    .catch(err => {
        console.log(err);
    })
}
// Cast vote
// This will create a transaction that casts your vote
const castVote = async () => {
    const proposalId = “<PASTE PROPOSALID>”;
    const support = "1";
    governanceContract.send({from: keyring.address, gas: 1500000, value: 0}, 'castVote', proposalId, support)
    .then(receipt => {
        console.log(receipt);
    })
    .catch(err => {
        console.log(err);
    })
}
// Execute Passed Proposal
// Will execute the passed proposal on the governance contract
const executeProposal = async () => {
    const target = [“<PASTE GOVERNANCE MINTABLE CONTRACT ADDRESS>”] // KIP7 Mintable Token Contract Address
    const values = ["0"] 
    const calldata = [“<PASTE CALLDATA HERE>”]
    const descriptionHash = “<PASTE DESCRIPTION HASH HERE>”;
    governanceContract.send({from: keyring.address, gas: 1500000, value: 0}, 'execute', target, values, calldata, descriptionHash)
    .then(receipt => {
        console.log(receipt);
    })
    .catch(err => {
        console.log(err);
    })
}


const delegatee = "<PASTE YOUR ACCOUNT>"; 
delegateAccount(delegatee);
checkDelegate(delegatee);
// transferOwnership();
// checkNewOwner();
// propose();
// castVote();  
// executeProposal();