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"Invalid constructor arguments" error, running immediately after deployment

See original GitHub issue

Hello, I’m running:

truffle migrate --network mainnet --reset

And then I’m immediately running

truffle run verify ContractName@address --network mainnet

and I get “Invalid constructor arguments provided. Please verify that they are in ABI-encoded format”.

How can they be invalid when I’ve only just deployed it?

Btw. I love this plugin so much 😃 it has worked many times in the past

Issue Analytics

State:
Created 3 years ago
Comments:21 (10 by maintainers)

Top GitHub Comments

1reaction

rkaliscommented, Oct 27, 2020

So it looks like it somehow retrieved incorrect constructor arguments. When I ran it on my end it retrieved this as the constructor arguments: 0x000000000000000000000000f2e47c29fc9f31cc50a62dea24956545772921bc, which are completely different from the ones you got.

When running with the installed version v0.4.0, I did get an error because the flattened source code included multiple SPDX license identifiers. As a fix, I updated to the latest version v0.5.0 (which uses multi-file verification) and I was able to verify the contract.

I was able to run migrations and accurately verify those newly deployed contracts as well. I’m still not sure why it got different constructor args on your end than on my end, but I can’t reproduce the issue. Could you try updating to v0.5.0 and running compile + migrate + verify again to see if it’s working for you?

0reactions

rkaliscommented, Dec 9, 2020

Closing this issue for inactivity. Feel free to open it with more information.

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