I have this, in ethers.js, where provider is a WebSocketProvider connected to a full node, which is working fine for getting the tx's (quite a lot of them per second):

provider.on('pending', async (txhash) => {
    console.log(`pending tx ${txhash}`);
    const tx = await provider.getTransaction(txhash);
    const resp = await provider.call(tx);

call works for return values, but I want to be able to get events from pending transactions in the mempool, as if they are ran at the top of the block.

I also have hardhat, but I'm having a hard time with this use case because I want to keep up with incoming blocks and also simulate each transaction independently (not affecting each other).

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