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Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.

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- [ ] Because this PR includes a **bug fix**, relevant tests have been included. - [x] Because this PR includes a **new feature**, the change was previously discussed on...

## Description of the issue At [CELO](https://github.com/celo-org), we are looking to easily + automatically verify contracts on the Celo and Alfajores network. Verifying contracts via the RPC endpoint of the...

Hello, I've created types for the solidity compiler output (included ABI, Yul & Solidity AST) [here](https://github.com/dappsnation/ngeth/blob/main/packages/%40type/solc/output.d.ts). I think it would be more efficient to have these types on hardhat. Would...

The plugin always throw error like "You are trying to verify a contract in 'polygonMumbai', but no API token was found for this network", when i execute "hardhat verify". I...

- [x] Because this PR includes a **bug fix**, relevant tests have been included. Earlier Versions of Vyper generate a gas field in the ABI. This gas estimate is often...

I have a contract that behaves differently when the block number exceeds 2^64. Obviously, this height isn't expected to be reached any time soon under current mainnet parameters, but it...

Waffle upgraded to version 4, trying to use it with `hardhat-waffle` leads to dependency issues with npm ``` npm ERR! code ERESOLVE npm ERR! ERESOLVE unable to resolve dependency tree...

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- [ ] Because this PR includes a **bug fix**, relevant tests have been included. - [ ] Because this PR includes a **new feature**, the change was previously discussed...

Stale

Add `.solhintignore` file that looks like this: ``` External/ ``` Run solhint with: ``` npx hardhat check ``` Get the following output: ![Screenshot 2021-07-14 at 12 03 59](https://user-images.githubusercontent.com/37438950/125611920-034ce540-c327-4414-8591-ad3df9b15971.png) Expected everything...

type:bug
status:needs-research
package:hardhat-solhint

As other users have mentioned, like [here](https://github.com/nomiclabs/hardhat/issues/2193) and [here](https://www.reddit.com/r/ethdev/comments/qpadg6/handling_private_keys_w_hardhat/), the current recommended way to store keys isn't ideal. Right now, the convention is to put the private key as an...

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