zkSync tutorial

main.py

from web3 import Web3, HTTPProvider, Account
from zksync_sdk import ZkSyncProviderV01, HttpJsonRPCTransport, network, ZkSync, EthereumProvider, Wallet, ZkSyncSigner, EthereumSignerWeb3, ZkSyncLibrary
import asyncio
from zksync_sdk.types import ChainId
from dataclasses import dataclass


@dataclass
class Network:
    zksync_url: str
    chain_id: ChainId

async def main():
    # Load crypto library
    library = ZkSyncLibrary()

    # Create Zksync Provider
    # Had to change to http, see the PR: https://github.com/zksync-sdk/zksync-python/pull/7
    my_network = Network(zksync_url="http://localhost:3030/jsrpc", chain_id=ChainId.LOCALHOST)
    provider = ZkSyncProviderV01(provider=HttpJsonRPCTransport(network=my_network))

    # Setup web3 account
    account = Account.from_key("my key here")
    # Create EthereumSigner
    ethereum_signer = EthereumSignerWeb3(account=account)
    # Load contract addresses from server
    contracts = await provider.get_contract_address()
    # # Setup web3
    w3 = Web3(HTTPProvider(endpoint_uri="http://localhost:30303"))
    # # # Setup zksync contract interactor
    zksync = ZkSync(account=account, web3=w3,
                    zksync_contract_address=contracts.main_contract)
    # # Create ethereum provider for interacting with ethereum node
    ethereum_provider = EthereumProvider(w3, zksync)

    # Initialize zksync signer, all creating options were described earlier  
    signer = ZkSyncSigner.from_account(account, library, my_network.chain_id)
    # Initialize Wallet
    wallet = Wallet(ethereum_provider=ethereum_provider, zk_signer=signer,
                    eth_signer=ethereum_signer, provider=provider)


if __name__ == "__main__":
    asyncio.run(main())