If you’re looking to build the most optimized starknet dapp you’ll want to use cairo, but there is the Warp transpiler if you want to write your smart contracts with solidity and deploy them on starknet
https://link.medium.com/2swR5fwOKtb

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

Newton

Do I need to learn cairo to develop on starknet?

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

Do I need to learn cairo to develop on starknet?

How do I create my own account abstraction using starknetjs?

How do I create OZ (Open Zeppelin) contract using starknetjs?

When I try to transpile my contract using warp transpiler I get an error: `JavaScript heap out of memory`

![JavaScript heap out of memory error in Nethermind's warp transpiler](https://res.cloudinary.com/varga/image/upload/v1670423892/Screenshot_2022-11-30_at_7.32.34_PM_pazqli.png)

can anyone help?

update:
I ran this command 
```
export NODE_OPTIONS=--max-old-space-size=4096
```
before transpiling
still show the same error

- Node version is v16.16.0
- warp version  2.4.1
- I tried using node 18 but still same error occured
- I'm using an M1 Mac, 8gb RAM

I'm transpiling llampay contracts : [https://github.com/LlamaPay/llamapay/tree/master/contracts](https://github.com/LlamaPay/llamapay/tree/master/contracts)

The original LlamaPay has some unsupported features in Warp. And I fixed them:
- [LlamaPay.sol](https://pastebin.com/12pSdPBJ) 
- [LlamaPayFactory.sol](https://pastebin.com/DVeuvWKd)


Nethermind's warp error: JavaScript heap out of memory

Why do I need to fund an account before deploying it?


ApeWorX: Why do I need to fund a Starknet account before deploying it?

How do I interact with my Pathfinder node?

# Hello starknet fam!

I heard with the last release of protostar it is now possible to make multiple call to different contracts functions in one protostar invoke CLI.

Can someone show me a good exemple on how to use it?

Like multicall with approve and swap.

Thank you very much!

How to use multicall with protostar 0.9.0?

Hi everyone, I have a technical question:

We know that L2s are taking transaction load off of the Ethereum, but how is that process taking place? Is there a threshold of optimum transaction speed/cost? Are L2s only intervening when the L1 is congested or that threshold is passed?

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

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