Incorrect event validation for download/compute

[alexcos20]

Looking in function https://github.com/oceanprotocol/provider/blob/main/ocean_provider/utils/datatoken.py#L43 , saw a couple of critical bugs.

For instance:

provider_fee_event_logs = datatoken_contract.events.ProviderFee().processReceipt(
        tx_receipt, errors=DISCARD
    )

    provider_fee_order_log = (
        provider_fee_event_logs[0] if provider_fee_event_logs else None
    )

This means that if we have more than one startOrder in a single tx, providerFee will either be wrongly accepted or call will fail
This is also valid for:

order_log = event_logs[0] if event_logs else None

This needs to be fixed asap.

Why:

• https://github.com/oceanprotocol/contracts/blob/main/contracts/ERC721Factory.sol#L482-L542 - this is already in contracts and ocean.js/py , provider will fail
• upcoming Helpers contract pm#207

Also, other teams are trying to optimize no of txs, so they will likely combine multiple orders/buy/etc in one single tx