there's `shortString.decodeShortString` 👍

From a high level language background and haven't seen shortStrings people assume it has something to do with felts, but  someone explain why we use Shortstrings? https://www.cairo-lang.org/docs/how_cairo_works/consts.html#short-string-literals
that's why starknet.js checks if a short string is 31 characters long

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Newton

anyone has a function that converts an array of felts (numbers) to a single string in JS?

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Do you know a function that converts an array of felts (numbers) to a single string in JS? [Cairo Lang]

Does AA support "Burner Accounts" so I can connect a new account to a new dApp without worrying about losing all my funds?

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Does Account Abstraction support "Burner Accounts"?

I made an example using [this library with react](https://github.com/fracek/starknet-react-example), everything is working fine in development, but in production, it looks like starknet.js is throwing a type error. You can [open this page](http://starknet-react-example.vercel.app/) to see the error more in detail.

To reproduce locally:

- Clone my example repo
- Build with `yarn run build`
- Serve production build with `yarn run serve`

Based on this [Github thread](https://github.com/0xs34n/starknet.js/issues/37)

How do I use Create React App in StarknetJS?

How does Account Abstraction improve the UX compared to other methods?

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How does Account Abstraction improve the UX compared to other methods?

Hello! This is day 4 of the 17 days of the Cairo Challenge. And I have no idea how to solve the [playground](https://www.cairo-lang.org/playground/) exercise “Variables”. Can you launch this code with the instructions and write down how many steps the program has in the output?

[BONUS]: try to make it faster

```
// The following code outputs the 9th power of 2.
// 1. Click on "Debug" to run the code, and then click on
//    the arrows in the memory panel to trace the program
//    step by step.
//
// Observe that the computation of `z` take 8 steps and
// creates 8 temporary variables. This is because `let`
// simply replaces each instance of `y` with `x * x * x`
// and each instance of `z` with `y * y * y`, which is
// expanded to nine multiplications.
//
// 2. Change the two `let`s to `tempvar`s and run the program.
//
// "tempvar" stands for "temporary variable", which means that
// a variable will be allocated for the intermediate values
// (`x * x * x` and `y * y * y`). This reduces the same
// computation to use only 4 steps and 2 new variables.
//
// 3. Replace all three instance of the keyword `tempvar`
//    with `local`, uncomment the line containing `alloc_locals`
//    and run the code again.
//
// The behavior of the code doesn't change. This is because
// the keyword `local` allocates a new variables for the
// intermediate values as well. The main difference between
// `local` and `tempvar` is explained in the next challenge.

// Use the output builtin.
%builtins output

// Import the serialize_word() function.
from starkware.cairo.common.serialize import serialize_word

// Outputs the value 2^9.
func main{output_ptr: felt*}() {
    // alloc_locals;
    tempvar x = 2;
    let y = x * x * x;
    let z = y * y * y;
    // Because of the `let`s, the following line is equivalent to
    // serialize_word(x * x * x * x * x * x * x * x * x).
    serialize_word(z);
    return ();
}
```

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> 

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What is the difference between tempvar/let in Cairo Lang? How to use allow_locals and local?

Hey, is there anyway to debug Cairo contracts in hardhat environment? Something like hardhat console in Solidity?

Hey, is there anyway to debug Cairo contracts in hardhat environment? Something like hardhat console in solidity

Hello, anyone able to advise what the etherscan equivalent for starknet is ?

_This question was originally posted on [StarkNet Discord](https://www.newton.so/view?tags=discord)_

What the etherscan equivalent for starknet is ?

I have a switch statment where I need to set two distinct, values so thought I would use a tuple  or a struct but I keep getting:

For a struct

`Expected a 'felt' or a pointer type. Got:<TYPE PATH> `

For a tuple

`Expected a 'felt' or a pointer type. Got:(felt,felt) `

This is with the unset tempvar being declared before the branching, and being set in each of the paths. 


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Do you know a function that converts an array of felts (numbers) to a single string in JS? [Cairo Lang]

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