Questions tagged [topics]
The topics tag has no usage guidance.
4 questions with no upvoted or accepted answers
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Get all event hashes for ABI
I have a smart contract ABI. What's the easiest way to compute the keccak256 hashes for the events in the contract?
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Topic0 of event with enum?
What would be the topic0 of an event with an (or multiple) enums or other non-standard, self-defined Solidity types in its parameters?
Example:
event EvInventory(bytes32 indexed itemHash,address maker,...
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How to trace a token adress from an ERC 721 transfer transaction?
I have an Ethereum node which I connect using web3j library. In the code I iterate over transactions of a particular block and try to fetch information about ERC721 transfers. In particular, I want to ...
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Web3.py defining only last topic (is there 'and anything before' option?)
I was checking this post:
Web3.py 'topics'
and this documentation:
https://web3py.readthedocs.io/en/stable/filters.html#event-log-filters
I see here, that I have various methods for defining ...
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