Lesson 5: Solution to the NETWORK_ERROR while deploying the contract.

[Balaji-97]

Error: could not detect network (event="noNetwork", code=NETWORK_ERROR, version=providers/5.6.8)
{
  reason: 'could not detect network',
  code: 'NETWORK_ERROR',
  event: 'noNetwork'
  }

Hey guys, if you have come across the same error shown above while deploying the contract then try doing the following steps.

Step 1: install ganache through npm npm i ganache and make sure it's visible in package.json
Step 2: open 2 separate terminals where you can deploy the contract in the first terminal and run the ganache server on the other terminal.

Step 3: run the ganache server on the second terminal yarn run ganache
Step 4: Copy one of the Private-Key provided by the ganache server and paste it into your wallet, also make sure the RPC that is running on the server should match with the provider you wrote in the code and save your code.

Step 5: Without shutting down the ganache server deploy your contract.

I hope this solution helps you.

[MichaelMarano]

Great explanation, thanks!!

[mmuaaz]

it works like a charm, is there any explanation what was wrong with the steps defined in the video and what we just did to fix it??
as of right now, on the terminal we have different RPC while on the ganache app we have different RPC, so we cant view the transaction in ganache app after deploying the contract. SS attached

[Balaji-97]

1. There is nothing wrong with the steps defined in the video but I think for some reason the code doesn't recognize RPC server from the ganache application and that's why we are using the ganache package as an alternative solution.
2. The ganache application and the ganache package have their own unique RPC server and that's why you won't be able to see the transaction details on the application but you can track all your transaction details in the terminal if you are using the ganache package.

[MichaelMarano]

I ran into the same issue, wondering why the actual ganache app has a different RPC, but in the video the first address' ETH count updates, so I'm not sure of what Patrick's doing in the first place to make vs code and ganache ''communicate''.
But I had ganache previously installed, I don't know if it's something related to it

[mmuaaz]

@MichaelMarano you are right, that ganache update the wallet balance when we make transactions like deploying the contract using one of the ganache wallets, the balance updates and we can see the details. while using this method, we cant see any wallet updates or whatever. I have attached the screenshots, in the terminal we cant see much of the details of the transaction as well, may be we should report this in the ISSUES section. Infact I am gonna do that so that may be they will fix that.

[MichaelMarano]

Awesome, link it below so we have it pinned, please!

[Varshacs004]

Thank you so much for this solution. Made my life easier...

[ameeetgaikwad]

I'm guessing all of you are using WSL environment. When we install ganache, without using yarn or npm, it gets install on windows or mc and not on linux. Thus the problem

[mmuaaz]

is there a way to install ganache in the WSL environment?

[ameeetgaikwad]

Yes, through terminal. Read above answer. You'll find how to do it.

[mmuaaz]

I have found an easier solution, actually its written in github repo of this course, when you open lesson:5 its written at the bottom.
for those who are running windows or Mac through WSL the setup looks like:

Run

• yarn add ganache

Change Server settings in Ganache
Settings > Server > Host Name

Change Host Name to vEthernet (WSL)

You will see RPC endpoint changes, paste the new RPC endpoint in ".env" file
Then deploy you contract

[philco01]

hi guys I try both of methods

1. use 2 terminals as mentioned at the top of the thread
2. yarn add ganache
   Change Server settings in Ganache
   Settings > Server > Host Name

Change Host Name to vEthernet (WSL)

You will see RPC endpoint changes, paste the new RPC endpoint in ".env" file
Then deploy you contract

but its still makes network error, cannot connect

[ameeetgaikwad]

send your repo code

[bitestera]

I have found an easier solution, actually its written in github repo of this course, when you open lesson:5 its written at the bottom. for those who are running windows or Mac through WSL the setup looks like:

Run

• yarn add ganache

Change Server settings in Ganache Settings > Server > Host Name

Change Host Name to vEthernet (WSL)

You will see RPC endpoint changes, paste the new RPC endpoint in ".env" file Then deploy you contract

thanks, this is much easier and better

[bitestera]

thanksssssss

[plairfx]

Thank you sir