ioanSL

// SPDX-License-Identifier: Apache-2.0.
pragma solidity ^0.8.17;

interface IStarknetMessaging {
    /**
      Consumes a message that was sent from an L2 contract.

      Returns the hash of the message.
    */
    function consumeMessageFromL2(uint256 fromAddress, uint256[] calldata payload)

ioanSL

%lang starknet

from starkware.cairo.common.alloc import alloc
from starkware.cairo.common.cairo_builtins import HashBuiltin
from starkware.cairo.common.math import assert_nn
from starkware.starknet.common.messages import send_message_to_l1
from starkware.starknet.common.syscalls import (
    get_caller_address,
)

ioanSL

// AUTHOR: Ioan Oara
// Github: @ioanSL
// Company: ShardLabs


from starkware.cairo.common.serialize import serialize_word
from starkware.cairo.common.uint256 import Uint256
from starkware.cairo.common.alloc import alloc
from starkware.cairo.common.math import assert_le, unsigned_div_rem
from starkware.cairo.common.dict import DictAccess, dict_read, dict_write

ioanSL

// AUTHOR: Mario Iordanov
// Github: @marioiordanov
// Company: ShardLabs

%builtins output range_check

from starkware.cairo.common.serialize import serialize_word


from starkware.cairo.common.alloc import alloc