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I'm attempting to realtime-monitor PanCakeSwap swaps (so BSC blockchain).

I found this doc page: https://besu.hyperledger.org/en/stable/HowTo/Interact/APIs/RPC-PubSub/

It cites an example:

{"id": 1, "method": "eth_subscribe", "params": ["newPendingTransactions", {"includeTransactions":true}]}

However every websocket connection I have tried ignores this flag. And this issue seems to say the feature has been reverted (likely because of high network load).

Is support for this flag set at a blockchain level (i.e. it's impossible for PanCakeSwap) or implementation level (i.e. maybe some provider provides it)?

If the latter, does anyone know of a provider that provides it?

And if not, would I be able to accomplish this by running a Besu node locally?

My current approach is to subscribe without the flag, and inspect each transaction. But this has crippling network load.

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  • Any news regarding your question ? I have the same problem and right now the only solution I found is to use an endpoint node supporting GrahpQL instead of using eth_subscribe
    – CodeFlakes
    Commented Jul 7, 2021 at 13:34
  • 1
    You can do it with BlockNative
    – P i
    Commented Jul 8, 2021 at 3:13

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