[katana] multicall contract available by default

[bal7hazar]

Allow multi RPC calls by default in katana, we need to use this contract https://github.com/argentlabs/argent-contracts-starknet/blob/main/src/utils/multicall.cairo if possible at this address: 0x034ffb8f4452df7a613a0210824d6414dbadcddce6c6e19bf4ddc9e22ce5f970

Existing versions on public networks:

• Starknet
• Sepolia

CC @kariy

[kariy]

if possible at this address: 0x034ffb8f4452df7a613a0210824d6414dbadcddce6c6e19bf4ddc9e22ce5f970

Is this considered as the canonical contract for multicall, by the network? The same way how there is a 'canonical' UDC.

[TobieTom]

Hola I'm Tobias. I would like to take over this issue. I've already contributed to some projects recently since I just learned Rust and Cairo