A set of librairies in Cairo for use on StarkNet

Sekai

Last update: Nov 14, 2022

Related tags

Learning resource starknet-libs

Overview

Sekai StarkNet Libraries

A series of libraries to help using Cairo on StarkNet.

Examples for use in other Cairo contracts are provided in examples.

Local run
Libraries
- String

Local run

pip install -r requirements.txt
yarn

To run the tests use one terminal for the local devnet

yarn net

And a second one to test

yarn test

Libraries

Cairo String

Library to store & manipulate strings in Cairo on StarkNet.

Utilities to use those strings in TypeScript apps are located here.

The doc needs to be written but the code is commented using Python Docstrings standards (kinda)

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Comments

Make utilities available through npm install

Similar to https://github.com/0xs34n/starknet.js/blob/develop/README.md

It would be good to get some info on how we can use this library for the utilities.

Thank you!
documentation enhancement

opened by rzmahmood 2
Wrong conversion from string to short string felt for simple numbers

Hello team. I have been working on a web UI that uses your library https://cairo-utils-web.vercel.app (repo).

During the use I can see that the library works as intended for a string like "ciao" -> 1667850607. But it returns a wrong result when the input is a simple number "1" -> 49, instead of "1" (both decimal and hex outputs are wrong).

I compared the output with something created by another person at https://util.turbofish.co/

Are you aware of this issue? Thanks
documentation

opened by clacladev 1

String_felt_to_string throws "Invalid memory value at address" error

calling String_felt_to_string function with parameter 1

func felt_to_string{
        syscall_ptr : felt*, range_check_ptr, pedersen_ptr : HashBuiltin*
    }(elem : felt) -> (str_len : felt, str : felt*):
    let (str1_len, str1) = String_felt_to_string(elem)
    return  (str1_len,str1)
end

got error

{"code": "StarknetErrorCode.SECURITY_ERROR", "message": "Invalid memory value at address 1:62: 12:3618502788666131213697322783095070105623107215331596699973092056135872020480."}

opened by 0xbohu 0

Owner

Sekai

Next-level anime fans experience

GitHub

StarkNet support extension for VSCode. Visualize StarkNet contracts: view storage variables, external and view functions, and events.

StarkNet Explorer extension This VSCode extension quickly shows relevant aspects of StarkNet contracts: Storage variables of the current contract, and

6 Nov 4, 2022

A set of librairies in Cairo for use on StarkNet

Related tags

Overview

Sekai StarkNet Libraries

Contents

Local run

Libraries

Cairo String

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Comments

Make utilities available through npm install

Wrong conversion from string to short string felt for simple numbers

String_felt_to_string throws "Invalid memory value at address" error

Owner

Sekai

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