Lesson 5: Cannot read properties of undefined (reading 'JsonRpcProvider')

[SquilliamX]

Hi everyone, I am a bit stumped here on lesson 5 since my package.json is directly from patrick's code and I am receiving an error message that I can't seem to solve. Can anyone help me out here? I believe my deploy.js to be correct. Ganache is also up and running In the background as well, and my private key is from ganache as well.

Package.json:

{
    "name": "ethers-simple-storage-fcc",
    "version": "1.0.0",
    "description": "",
    "dependencies": {
        "dotenv": "^14.2.0",
        "ethers": "^6.2.3",
        "prettier": "^2.5.1",
        "solc": "0.8.7-fixed"
    },
    "scripts": {
        "compile": "solcjs --bin --abi --include-path node_modules/ --base-path . -o . SimpleStorage.sol"
    }
}

Deploy.js:

const ethers = require("ethers");
const fs = require("fs");

async function main() {
  const provider = new ethers.providers.JsonRpcProvider(
    "http://127.0.0.1:7545" // ganache RPC-URL (ganache is a local blockchain.)
  );
  const wallet = new ethers.Wallet(
    "0xd8d938e7bb319f9b8dba2f5b53c8c124cdf2a2977ebe5a20516a2088d46c804a",
    provider // private key of the account that will deploy the contract.
  );

  const abi = fs.readFileSync("./SimpleStorage_sol_SimpleStorage.abi", "utf8");
  const binary = fs.readFileSync(
    "./SimpleStorage_sol_SimpleStorage.bin",
    "utf8"
  );

  const contractFactory = new ethers.ContractFactory(abi, binary, wallet);
  console.log("Deploying contract...");
  const contract = await contractFactory.deploy(); // the await keyword is used to stop here and wait until the contract is deployed.
  console.log(contract);
}

main()
  .then(() => process.exit(0))
  .catch((error) => {
    console.error(error);
    process.exit(1);
  });

error message:

$ node deploy.js
TypeError: Cannot read properties of undefined (reading 'JsonRpcProvider')
    at main (/home/smartchain/code/foundry-f23/ethers-simple-storage/deploy.js:5:41)
    at Object.<anonymous> (/home/smartchain/code/foundry-f23/ethers-simple-storage/deploy.js:25:1)
    at Module._compile (node:internal/modules/cjs/loader:1159:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1213:10)
    at Module.load (node:internal/modules/cjs/loader:1037:32)
    at Module._load (node:internal/modules/cjs/loader:878:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)
    at node:internal/main/run_main_module:23:47

[SquilliamX]

Update: I changed my ethers version to ^5.7.2 and it fixed this error, however now i receive this error:

Error: could not detect network (event="noNetwork", code=NETWORK_ERROR, version=providers/5.7.2)
    at Logger.makeError (/home/smartchain/code/foundry-f23/ethers-simple-storage/node_modules/@ethersproject/logger/lib/index.js:238:21)
    at Logger.throwError (/home/smartchain/code/foundry-f23/ethers-simple-storage/node_modules/@ethersproject/logger/lib/index.js:247:20)
    at JsonRpcProvider.<anonymous> (/home/smartchain/code/foundry-f23/ethers-simple-storage/node_modules/@ethersproject/providers/lib/json-rpc-provider.js:609:54)
    at step (/home/smartchain/code/foundry-f23/ethers-simple-storage/node_modules/@ethersproject/providers/lib/json-rpc-provider.js:48:23)
    at Object.throw (/home/smartchain/code/foundry-f23/ethers-simple-storage/node_modules/@ethersproject/providers/lib/json-rpc-provider.js:29:53)
    at rejected (/home/smartchain/code/foundry-f23/ethers-simple-storage/node_modules/@ethersproject/providers/lib/json-rpc-provider.js:21:65)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5) {
  reason: 'could not detect network',
  code: 'NETWORK_ERROR',
  event: 'noNetwork'
}

I then tested the Connection Manually to Try to make a direct HTTP request to my Ganache node to see if it's responsive. I used the curl tool for this:

$ curl -X POST --data '{"jsonrpc":"2.0","method":"web3_clientVersion","params":[],"id":1}' http://127.0.0.1:7545
curl: (7) Failed to connect to 127.0.0.1 port 7545 after 0 ms: Connection refused

[SquilliamX]

what worked for me: https://stackoverflow.com/questions/72927795/error-could-not-detect-network-event-nonetwork-code-network-error-version