New | Solidity 0.8

[@ChalkusAurelius]

Really appreciate all these quick starter vids on solidity concepts! Top man for taking the time to create 👍

[@supadrasta]

Clear and crisp explanation. Thank you.

[@MrCoreyTexas]

In my testing, I found out you can deploy 1 or more Account contracts for the same user, or you can create different Account contracts for different users, as long as there's enough Wei in the AccountFactory to create them. You could also add a fallback/receive to AccountFactory to reload it with more Wei.

[@Bruhne]

Got it!

[@mizo7627]

Hi , in the blockchain if we deployed the AccountFactory first , how will the contract Account be visible to us if it is not deployed yet?

[@zachz6620]

Thanks again SCP for all this great content. May i ask... with this new contract method you've shown us here.... does this mean you can actually create a copy any contract that is publicly deployed on the ETH blockchain? For example, if wanted to create a "copy of the uniswap contract" i can do it by creating the contract you just showed us and then i would actually be able to see if and use it? Just trying to envision a practical application of this.

[@ismaila3347]

Thanks for the video! quick question, why is the function createAccount in AccountFactory contract marked as external and not as public? thank you!

[@smartcontractprogrammer]

You tell me. Watch the video about visibility

[@ismaila3347]

@@smartcontractprogrammer makes sense , another question, why do we declare constructors as public even though we only access them externally? do you agree that we should declare them as external? am I missing something? :)

[@smartcontractprogrammer]

Solidity 0.8, no visibility is declared for constructor

[@NishantSingh-zx3cd]

Good work, thanks

[@NishantSingh-zx3cd]

what happens if we omit 'new' and keep the rest of the code the same?

[@nicolasruiz5542]

Awesome video!! I just have a question, What is a real use case for this kind of contract ??

[@smartcontractprogrammer]

contracts that deploy contracts Uniswap V2 and V3

[@shubhzdev4905]

shouldn't value:msg.value instead of 111?

[@pythusiast4701]

In line number 18# why are we not using any visibility specifier like public,private etc. ? Something like => `Account public account = new Account(_owner)`

[@MrCoreyTexas]

I don't think public/private apply to contracts? Good question, shows you are thinking about the overall syntax of Solidity (it can be confusing, too, which goes first, public or payable?) Basically every contract that is deployed is out there on the blockchain for anyone to see, so they are all public in that sense.

[@Ts2pc]

The third time , now having a better understanding. Very good example. One question, since the Factory has deployed a new Account(the new contract), so is it still necessary to deploy the new Account by the new contract address?

[@MrCoreyTexas]

I'm not exactly sure what you mean, but I think if you were to do this on the mainnet or testnet, the Account contract is actually there on the blockchain as soon as you call createAccount in AccountFactory, it's just that when you "Deploy at Address" in Remix, it allows it to appear in that left hand window. When I graduate from "Remix school" where we're all starting, I'll test that out.

[@stevekimani.111]

can someone please explain why when we create the account contract using accountFactory the contract account its balance is still zero or is it something i am doing wrong

[@MrCoreyTexas]

No, you're OK, the account balance of AccountFactory is initially 0 wei, but when you call createAccount you send wei with THAT transaction. So the first tx deploys Account Factory but sends 0 wei and then the second tx calls AccountFactory.createAccount() but you have to send wei with it (or otherwise that tx fails and reverts)

[@zulfiqar7967]

I need to learn Blockchain from scratch., From where should i start..? And can u share any roadmap..?

[@smartcontractprogrammer]

I've made a video, search roadmap

[@muzingnimzing438]

Hello sir, please what if i add another account, how do i push it into that array? thanks

[@smartcontractprogrammer]

myArray.push(my address)

[@Ts2pc]

The "At Address button" is not enabled?

[@moustafaezz9158]

Same problem

[@РоманКоротков-з3ц]

Plz change Subtites in English.

[@smartcontractprogrammer]

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