Error at the end of lesson 5:Error: could not decode result data (value="0x", info={ "method": "retrive", "signature": "retrive()" }, code=BAD_DATA, version=6.11.1)

[ProKing13]

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Discussed in https://github.com/smartcontractkit/full-blockchain-solidity-course-js/discussions/6512

^{Originally posted by MohammadArif13 March 21, 2024}

const fs = require("fs-extra")
const ethers = require("ethers")
const { JsonRpcProvider } = require("ethers")
require("dotenv").config()

async function main() {
  let provider = new JsonRpcProvider(process.env.RPC_URL)
  let wallet = new ethers.Wallet(process.env.PRIVATE_KEY, provider)
  const abi = fs.readFileSync("./SimpleStorage_sol_SimpleStorage.abi", "utf-8")
  const binary = fs.readFileSync(
    "./SimpleStorage_sol_SimpleStorage.bin",
    "utf-8"
  )
  contractFactory = new ethers.ContractFactory(abi, binary, wallet)
  console.log(process.env.RPC_URL)
  console.log(process.env.PRIVATE_KEY, provider)
  console.log("Deploying please wait...")
  const contract = await contractFactory.deploy()
  console.log(contract)
  const signer = wallet.connect(provider)
  const nonce = await signer.getNonce()
 

 console.log(sentTxResponse)

  const currentFavoriteNumber = await contract.retrive()
  console.log(await contract.retrive())
  console.log(`Current Favorite Number: ${currentFavoriteNumber.toString()}`)
  const transactionResponse = await contract.store("12", { nonce: nonce })
  const transactionReceipt = await transactionResponse.wait(1)
  const updatedFavoriteNumber = await contract.retrive()
  console.log(`Updated Favorite Number ${updatedFavoriteNumber}`)
}

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

//    const deploymentReceipt= await contract.waitForDeployment("1") // it imortant line

Hi, on this code i am running into an error: when I am using Alchemy RPC_URL then it gives this error otherwise when I am using ganache there is nothing; Every thing is correct then

Error: could not decode result data (value="0x", info={ "method": "retrive", "signature": "retrive()" }, code=BAD_DATA, version=6.11.1)

below is my RPC_URL but if I am using ganache then there is not any error; all the things are correct then

 RPC_URL=https://eth-sepolia.g.alchemy.com/v2/4yaYwZaOaEmkkyauFaNX6tVY2nkA51aQ

can someone help me?

[bharathkumar369]

i have got similar problem.. after trying all solutions i have realized that i didnt install the same versions as patrick installed... once check your solc install for 0.8.7-fixed

yarn add [email protected]

or

npm i [email protected]