Lesson 9 Cannot read properties of undefined (reading 'parseEther')

[juyixin98]

TypeError: Cannot read properties of undefined (reading 'parseEther')

00-deploy

const { ethers } = require("hardhat")
const { developmentChains } = require("../helper-hardhat-config")

const BASE_FEE = ethers.utils.parseEther("0.25")
const GAS_PRICE_LINK = le9

module.exports = async function ({ getNamedAccounts, deployments }) {
const { deploy, log } = deployments
const { deployer } = await getNamedAccounts()
const args = [BASE_FEE, GAS_PRICE_LINK]

if (developmentChains.includes(network.name)) {
    log("Local network detected! Deploying mocks...")

    await deploy("VRFCoordinatorV2Mock", {
        from: deployer,
        log: true,
        args: args,
    })
    log("Mocks Deployed!")
    log("-----------------------------")
}

}

module.exports.tags = ["all", "mocks"]

01-deploy

const { network, ethers } = require("hardhat")
const { developmentChains, networkConfig } = require("../helper-hardhat-config")
const { verify } = require("../helper-hardhat-config")

const VRF_SUB_FUND_AMOUNT = ethers.utils.parseEther("30")

module.exports = async function ({ getNamedAccounts, deployments }) {
const { deploy, log } = deployments
const { deployer } = await getNamedAccounts()
const chainId = network.config.chainId
let vrfCoordinatorV2Address, subscriptionId

if (developmentChains.includes(network.name)) {
    const vrfCoordinatorV2Mock = await ethers.getContract("VRFCoordinatorV2Mock")
    vrfCoordinatorV2Address = vrfCoordinatorV2Mock.address
    const transactionResponse = await vrfCoordinatorV2Mock.createSubscription()
    const transactionReceipt = await transactionResponse.wait(1)
    subscriptionId = transactionReceipt.events[0].args.subId

    await vrfCoordinatorV2Mock.fundSubscription(subscriptionId, VRF_SUB_FUND_AMOUNT)
} else {
    vrfCoordinatorV2Address = networkConfig[chainId]["vrfCooldinatorV2"]
    subscriptionId = networkConfig[chainId]["subscriptionId"]
}

const raffleEntranceFee = networkConfig[chainId]["raffleEntranceFee"]
const gasLane = networkConfig[chainId]["gasLane"]
const callbackGasLimit = networkConfig[chainId]["callbackGasLimit"]
const keepersUpdateInterval = networkConfig[chainId]["keepersUpdateInterval"]

const args = [
    vrfCoordinatorV2Address,
    raffleEntranceFee,
    gasLane,
    subscriptionId,
    callbackGasLimit,
    keepersUpdateInterval,
]
const raffle = await deploy("Raffle", {
    from: deployer,
    args: args,
    log: true,
    waitConfirmations: network.config.blockConfirmations || 1,
})

if (!developmentChains.includes(network.name) && process.env.ETHERSCAN_API_KEY) {
    log("Verifying...")
    await verify(raffle.address, args)
}
log("---------------------")

}
module.exports.tags = ["all", "raffle"]

[alfaqi]

please share your repo

[harry2855]

Use ethers.parseEther()

[Taha-Zerarkaa]

In ethers 6 you can use:

ethers.parseEther("")

instead of

ethers.utils.parseEther()