Lesson 7: Error: invalid address

[RichardKoh1]

I've tried for a while to get rid of this error and I just can't. It's telling me that there's an invalid address? I also can't find any variable called 'priceFeedAddress' so not sure where it's getting that from.

Here is the error:

Nothing to compile
Local network detected, deploying mocks
deploying "MockV3Aggregator" (tx: 0x48bdfdd64644a5dd70bcefa793bec388fd55ccc9e6c6b6e4988db8d5cafde888)...: deployed at 0x5FbDB2315678afecb367f032d93F642f64180aa3 with 569635 gas
mocks deployed
-----------------------------------------
An unexpected error occurred:

Error: ERROR processing C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\deploy\01-deploy-fund-me.js:
Error: invalid address (argument="address", value=undefined, code=INVALID_ARGUMENT, version=address/5.7.0) (argument="priceFeedAddress", value=undefined, code=INVALID_ARGUMENT, version=abi/5.7.0)
    at Logger.makeError (C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\@ethersproject\logger\src.ts\index.ts:269:28)
    at Logger.throwError (C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\@ethersproject\logger\src.ts\index.ts:281:20)
    at Logger.throwArgumentError (C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\@ethersproject\logger\src.ts\index.ts:285:21)
    at AddressCoder.Coder._throwError (C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\@ethersproject\abi\src.ts\coders\abstract-coder.ts:68:16)
    at AddressCoder.encode (C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\@ethersproject\abi\src.ts\coders\address.ts:22:18)
    at C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\@ethersproject\abi\src.ts\coders\array.ts:71:19
    at Array.forEach (<anonymous>)
de_modules\hardhat-deploy\src\DeploymentsManager.ts:1052:5)
    at SimpleTaskDefinition.action (C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\hardhat-deploy\src\index.ts:438:5)
    at Environment._runTaskDefinition (C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\hardhat\src\internal\core\runtime-environment.ts:330:14)
    at Environment.run (C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\hardhat\src\internal\core\runtime-environment.ts:163:14)
    at SimpleTaskDefinition.action (C:\Users\kohri\hh-fcc\hardhat-fund-me-fcc\node_modules\hardhat-deploy\src\index.ts:584:32)
error Command failed with exit code 1.

01-deploy-fund-me.js

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

// module.exports.default = deployFunc // same as below
module.exports = async ({getNamedAccounts, deployments}) => {
    const {deploy, log} = deployments
    const {deployer} = await getNamedAccounts()
    const chainId = network.config.chainId

    let ethUsdPriceFeedAddress
    if (developmentChains.includes(network.names)){
        const ethUsdAggregator = await deployments.get("MockV3Aggregator")
        ethUsdPriceFeedAddress = ethUsdAggregator.address
    } else {
        ethUsdPriceFeedAddress = networkConfig[chainId]["ethUsdPriceFeed"]
    }


    //const ethUsdPriceFeedAddress = networkConfig[chainId]["ethUsdPriceFeed"]
    //if contract doesn't exist, we deploy a minimal version of it
    //when going for localhost or hardhat network we want to use a mock
    const fundMe = await deploy("FundMe", {
        from: deployer,
        args: [ethUsdPriceFeedAddress], //put price feed address
        logs: true,
    })
    log("--------------------------------------")

}

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

hardhat.config.js

require("@nomicfoundation/hardhat-toolbox");
require("hardhat-deploy")

const GOERLI_RPC_URL =
    process.env.GOERLI_RPC_URL ||
    "https://eth-mainnet.g.alchemy.com/v2/2DGiplmsHcMRwrOR4GC1ooOF_QjEHXvG"
const PRIVATE_KEY =
    process.env.PRIVATE_KEY ||
    "12c7e3648ffe7884677ce2d519045a448d21cde8de91767dfefb62bca292dc74"

/** @type import('hardhat/config').HardhatUserConfig */
module.exports = {
  //solidity: "0.8.18",
  solidity: {
    compilers:[
      {version: "0.8.18"},
      {version: "0.6.6"}

    ]
    },
    defaultNetwork: "hardhat",
    networks: {
        hardhat: {
            chainId: 31337,
            // gasPrice: 130000000000,
        },
        goerli: {
          url: GOERLI_RPC_URL,
          accounts: [PRIVATE_KEY],
          chainId: 5,
          blockConfirmations: 6,
      },
    },
  namedAccounts: {
    deployer: {
      default: 0, // here this will by default take the first account as deployer
      1: 0, // similarly on mainnet it will take the first account as deployer. Note though that depending on how hardhat network are configured, the account 0 on one network can be different than on another
  },
  }
};

helper-hardhat-config.js

const networkConfig = {
    31337: {
        name: "localhost",
    },
    // Price Feed Address, values can be obtained at https://docs.chain.link/docs/reference-contracts
    5: {
        name: "goerli",
        ethUsdPriceFeed: "0xD4a33860578De61DBAbDc8BFdb98FD742fA7028e",
    },
}

const developmentChains = ["hardhat","localhost"]
const DECIMALS = 8
const INITIAL_ANSWER = 200000000000

module.exports = {
    networkConfig,
    developmentChains,
    DECIMALS,
    INITIAL_ANSWER,
}

[paulcoffee85]

Start with:
small caps on 'fundme'
module.exports.tags = ["all", "FundMe"]

[paulcoffee85]

Some of these take a while, boy do I understand that 😂

doesn't look like "dotenv": "^16.0.3", is in your package.json ?
Run in your terminal:
npm install dotenv --save

[paulcoffee85]

Linking your quick fix here for the folder / files issue: #5053 (comment)

@RichardKoh1 Please mark as answered for the 'pricefeed' issue. thank you

[Yannickdjoa]

@RichardKoh1 I'm facing the same error with the address not fund. did you find a solution?

[RichardKoh1]

Thanks @paulcoffee85

@Yannickdjoa I just forked the github repo instead of ironing out all the errors.

[Yannickdjoa]

ok i see. not sure if forking helps to progress but from my side I grilled it and found out I was missing the double quote on the priceFeedAddress. i added the doubleQuote and all worked.