Couldn't verify Contracts on Etherscan using truffle-plugin-verify about truffle-plugin-verify HOT 4 CLOSED

Hey, thanks for the report. Do you have a repository that I can use to reproduce the issue?

from truffle-plugin-verify.

Also are you by any chance using viaIR? That is currently a known bug (see #181)

from truffle-plugin-verify.

Not using ViaIR - actually the contract is already deployed on mainnet by a different dev person I couldn't find exact solidity code tried to debug this on the etherscan compiler but getting Bytecode error so trying this using Truffle verify.

from truffle-plugin-verify.

Oof yeah in that case it's going to be very hard to debug this because it needs to have the exact right source code to match. And the API response that we get from Etherscan doesn't really give you enough details to work with.

You could try using this Truffle plugin to generate the Input JSON and then upload that into the Etherscan verification form. That might give you slightly better error messages. But still if you don't know exactly which code + compiler settings were used to deploy the contract it'll be very difficult to verify the source code.

Sorry I can't be of more assistance here. Best of luck!

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