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How to verify that a transaction hash is included in a block's transactionsRoot on chain?

原文 2022-04-07 16:54:17 6 1 hash/ ethereum/ merkle-tree/ patricia-trie

I am doing some research to see how you would verify that a transaction hash is included in the transactionsRoot for a specific block in Ethereum. The challenging part for this is that I am trying to do this on chain.

Can anyone help me figure out what data I would need to pass into a function and how I would verify this? It seems like it would be much more complicated than just passing in a merkle root and proofs since the transactionsRoot is a merkle patricia trie.

1 answers

This blog post explains merkle trie with examples. It explains how transaction root is computed and how proof is generated and verified.

https://medium.com/@chiqing/merkle-patricia-trie-explained-ae3ac6a7e123

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Related Question How long Ethereum hash length? (block, transaction, address) How blockchain consensus verify the transaction? How to check if an hash is “completely” included in another hash? How to get the length of the maximum chain of a hash table? How do I replace a value included in a hash? How to verify user's password against hash value in AspNetUsers table in MVC.NET? How can I verify a cryptographic hash created by Python's Passlib using Node.js? Ethereum transaction hash: how to get in advance? How finding smaller hash value validates a block How to sign based on data, but verify based on hash in Java?

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How to verify that a transaction hash is included in a block's transactionsRoot on chain?

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solution1 0 2022-07-21 21:58:45

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0 2022-07-21 21:58:45