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NomicFoundation / hardhat

Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
https://hardhat.org
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Hardhat Verification keeps failing #2776

Closed davidlee-crastonic closed 1 year ago

davidlee-crastonic commented 2 years ago

Hello I am trying to deploy a contract and verify in one script but it throws following error, but sometimes it succeeds verifying.

NomicLabsHardhatPluginError: Failure during etherscan status polling. The verification may still succeed but
should be checked manually.
Endpoint URL: https://api-testnet.bscscan.com/api?apikey=J4FYAHY2MZAZHNY4YJFIQ6KT43AQFYA2VU&module=contract&action=checkverifystatus&guid=b9iapyku3d7utgn5pi3w3jmkjdjckecuitscabmjkhfp6g26zt
Reason: The HTTP server response is not ok. Status code: 403 Response text: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>403 - Forbidden: Access is denied.</title>
...

I would like to know when this happens.

github-actions[bot] commented 2 years ago

This issue is also being tracked on Linear.

We use Linear to manage our development process, but we keep the conversations on Github.

LINEAR-ID: ec7ad7fe-bb6f-40fc-94d1-f7a7fa751d0c

davidlee-crastonic commented 2 years ago

https://linear.app/nomic-foundation/issue/HH-741/hardhat-verification-keeps-failing-%5Bnomicfoundationhardhat2776%5D

This link does not allow me to login.

ezeamaka2 commented 2 years ago

For quite sometime now, Hardhat has been throwing error when trying to verify smart contract. However, I discovered a walk around and have even written an article about it.

Here how to verify your smart contract on Etherscan using Remix IDE - https://medium.com/@ezeamaka2/how-to-verify-smart-contracts-on-etherscan-in-remix-ide-92f6354933b4

Just hit follow on medium to follow me. That's all I ask in return

caoxmm commented 2 years ago

have this problem too, tried many times

ezeamaka2 commented 2 years ago

have this problem too, tried many times

Well, I posted the solution above

fvictorio commented 1 year ago

Can someone provide reproduction steps?