Lesson 7 - Error on running 'yarn hardhat node'

[M1708]

I could deploy the hardhat-fund-me project successfully on local network. When I started the localhost server with 'yarn hardhat node', I get the following error.
FreeCodeCamp/hardhat-fundme/deploy/01-deploy-fund-me.js:
Error: expected 1 constructor arguments, got 0

How do I pass the network address to the constructor?

Thanks.

[obc92]

I think I solved this a few days ago removing the 99 file from the deployment files. but not sure 100%

[M1708]

I solved this by copying the code for deploy-fund-me.js from GitHub. Now no error when I run 'yarn hardhat node'

Now I am facing another issue. When I run the unit test script, I get following error
Error: No Contract deployed with name FundMe

The unit test is for the local network - right? Why am I getting this error?

[mattjaf]

The first error looks like something was wrong with your deploy script when passing it args, possibly the V3Aggregator address

[M1708]

I still stuck here and cannot make progress. Anyone else getting this error
Error: No Contract deployed with name FundMe

When I run the local network, I see the deployments for MockV3Aggregator and FundMe but when I run 'yarn hardhat test', I get the error.

Screenshots attached for both the commands.

[obc92]

Can you post the code?
Also check how you declared the variable, I know it's a stupid mistake but sometimes we can't see insignificant thinks.
let fundMe

[mattjaf]

For some reason its not finding your contract named FundMe

If your sure its not a typo in your code, after checking with the repo

You could:

Try deleting artifacts, deployments, and cache and redeploying

either manually by right clicking it and deleting it
or
programatically with

npx hardhat clean deletes the artifacts and clears the cache

npx hardhat deploy --reset deploys fresh deployment files

I personally ran into a similar issue before, when I deployed a previous contract in the past with the same name, which threw the error "cant find artifact "contractName"

I solved it by changing the contract name

[M1708]

I tried all the steps - deleting artefacts, deployments and cache and redeploying after running 'clean' but did not help.

Code for FundMe.test.js

const { assert, expect } = require("chai")
const { network, deployments, ethers } = require("hardhat")
const { developmentChains } = require("../../helper-hardhat-config")

//!developmentChains.includes(network.name)

describe("FundMe", function () {
let fundMe
let mockV3Aggregator
let deployer
const sendValue = ethers.utils.parseEther("1")
beforeEach(async () => {
// const accounts = await ethers.getSigners()
// deployer = accounts[0]
deployer = (await getNamedAccounts()).deployer
await deployments.fixture(["all"])
fundMe = await ethers.getContract("FundMe", deployer)
mockV3Aggregator = await ethers.getContract(
"MockV3Aggregator",
deployer
)
//const accounts = await ethers.provider.listAccounts()
//console.log(accounts)
})

describe("constructor", function () {
    it("sets the aggregator addresses correctly", async () => {
        const response = await fundMe.getPriceFeed()
        assert.equal(response, mockV3Aggregator.address)
    })
})

})

[M1708]

Is it because the deployment was done on hardhat and the test code is looking for deployment on localhost?

[M1708]

Finally figured out the issue.
It's because of this missing statement in deploy-fund-me,js
module.exports.tags = ["all", "fundme"]

I must have missed out in the video and it took me 2 days to solve the error.