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I'm trying to deploy a contract to the rinkeby (hope that thats the network to use for beta testing). Deploying worked with the command truffle migrate --reset -f 2 --network rinkeby.

Unfortunately, I tried to access the contract through etherscan and I only can see the bytecode. How should I add the source code to etherscan so that it is possible to interact with the contract on etherscan? Is there a way to do it automatically?

Thanks a lot for any hint!

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  • etherscan.io/verifyContract2
    – Richard Horrocks
    Commented Oct 18, 2018 at 20:19
  • Thanks for the link. That seems to be what I'm looking for :). Do you know any framework which can verify the Contract automatically ?
    – MichaelRazum
    Commented Oct 18, 2018 at 20:22
  • I don't know of one, no. It's likely there are too many steps included to be able to reliably automate the process. (Someone else might know of something.)
    – Richard Horrocks
    Commented Oct 18, 2018 at 20:24
  • Just tried it with github.com/nomiclabs/truffle-flattener but seems something ist still wrong..
    – MichaelRazum
    Commented Oct 18, 2018 at 20:39

1 Answer 1

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To have Etherscan show the code associated with a deployed contract, you'll need to go through the verification process:

https://etherscan.io/verifyContract2

However, to interact with your contract you'll probably want to use Remix (https://remix.ethereum.org), and load the contract from the deployed address:

How to load contract from address- remix?

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  • Any Idea how to find the matched compiler. I just tried the first step and failed. In my code I have: pragma solidity ^0.4.22; So choosed v0.22. commit but there are many versions..
    – MichaelRazum
    Commented Oct 18, 2018 at 20:40
  • It should be the one without nightly in the name, so v.0.4.22+commit.4cb486ee.
    – Richard Horrocks
    Commented Oct 18, 2018 at 20:46
  • Thanks yes it worked. Could deploy the contract with sources. Thanks a lot!
    – MichaelRazum
    Commented Oct 18, 2018 at 20:54
  • Glad it worked :-)
    – Richard Horrocks
    Commented Oct 18, 2018 at 20:56

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