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I want to replay all events on a chain and index them.

If I understand correctly, the only way of doing this at the moment would be to call getBlock(0) and go from there, checking every transaction one by one.

Is that correct?

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  • Did you ever find an answer to this? I also looked into subscribe('logs') but even though you can specific fromBlock: 0 it only starts from the block it is actually syncing
    – Geert-Jan
    Jun 2, 2021 at 20:23

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I've measured latency / throughput of different methods, and found that the most efficient way to replay all the logs is using web3.eth.getPastLogs.

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