All Questions
12 questions
0
votes
1
answer
29
views
"Undeclared identifier" errors when compiling contract with npx hardhat
I am trying to compile a contract in solidity for flash loan node bot, but it does not compile, so I can deploy it on L2 networks.
Contract code:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8....
- 3
0
votes
1
answer
26
views
TypeError: Contract "TestContract" should be marked as abstract
I have issues so I slowly add one library at a time.
This code compiles.
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/access/Ownable.sol";
import ...
- 167
1
vote
1
answer
35
views
Hardhat compile code on file change (like remix)
Is there any way (preferably an official Hardhat plugin) to automatically compile the Smart Contracts' code on file change?
I'd want to have the same developer experience as when using Remix, or ...
- 1,998
1
vote
1
answer
167
views
How to disable log that when compile?
I using script "yarn hardhat compile" alway log like image. I want to disable that.
- 13
1
vote
1
answer
123
views
Compilation is successful but getting bytecode = "0x"
I am trying to compile this very simple smart contract but I am getting its bytecode = "0x":
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
import "@openzeppelin/...
- 845
0
votes
4
answers
523
views
Contract is below size limit, but Hardhat says it's not?
When I run npx hardhat compile, Hardhat says one of my contracts is above the size limit.
But hardhat-contract-sizer says it's not.
See below:
Versions:
hardhat-contract-sizer version: ^2.5.1
...
5
votes
1
answer
3k
views
Is it possible to get the "creation bytecode" of an already deployed contract in Solidity?
I am looking to get some already deployed code working for myself.
With ethers.js I can get the bytecode in the following way
ethers.getCode("CONTRACT ADDRESS")
However, this is a ...
- 51
1
vote
1
answer
872
views
TypeError: Invalid URL at new NodeError when typing the command npx hardhat run scripts/deployGoldenFoxNFT.js --network rinkeby
I run into this error when i try to run with Hardhat. Any idea of what it can be the solution? Thanks a lot in advance
- 11
2
votes
1
answer
845
views
unexpected revert behaviour using custom errors in pure function
in the code below, if a revert using the custom error inside the pure function it reverts with a different error (below). If I do the same things without pure, it reverts with the custom error as ...
- 1,248
0
votes
2
answers
2k
views
hardhat beginner "Nothing to compile" error
following hardhat beginner tutorial.
This is how I did it,
first run "npx hardhat " command and created basic sample project. After that run following command
npm install --save-dev @...
- 1
1
vote
1
answer
521
views
Uniswap V2: TypeError: Explicit type conversion not allowed from "int_const -1" to "uint256"
I was trying to fork Uniswap V2 with another protocole and ran into this error while compiling the contracts: TypeError: Explicit type conversion not allowed from "int_const -1" to "...
- 263
5
votes
6
answers
11k
views
Error HH8: There's one or more errors in your config file, Expected a value of type HttpNetworkConfig
Why is Hardhat throwing an error? I copy n pasted the default config file from https://hardhat.org/config/?
*Error HH8: There's one or more errors in your config file:
Invalid value {"url":&...
- 245