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1 vote
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Find metadata URL from EVM bytecode

Currently, I am looking for a way to extract the metadata.json file URL from the ethereum bytecode. I have referred to this doc and figured out that metadata mapping is stored CBOR-encoded manner. ...
Sajitha Liyanage's user avatar
3 votes
1 answer
1k views

How to verify smart contracts on different solidity versions

I'd like to build my own smart contract verify system with all solidity versions both on single file and multiple files just like what etherscan or other block explorer does. I was able to verify for ...
kimiro's user avatar
  • 175
0 votes
1 answer
80 views

dApp design and security question

I'm designing a dApp where users can submit work they've done (files) to ipfs/swarm. To get credit for the work they then reference the hash of the files when calling a smart contract. What are some ...
joebuild's user avatar
  • 103
1 vote
1 answer
2k views

Files in contract

I am new to blockchain technology and Ethereum. Have downloaded Mist and mined some ether in the testnet Ropsten, also made a greeter contract just to get the feeling of it. What I want to do is to ...
Cec's user avatar
  • 25