12
votes
Accepted
ProviderError: max code size exceeded
How can I adjust the code size or any other method to resolve this error.
The contract code size limit is 24kB (24,576 bytes).
You'll need to reduce the size of the contract before deploying, or ...
- 37.5k
10
votes
Accepted
Error HH210: Redefinition of task verify failed. Unsupported operation adding positional param definitions in an overridden task
I had the same problem with hardhat-verify. Switch to hardhat-toolbox solved the problem. Since you already has
require("@nomicfoundation/hardhat-toolbox")
you should remove
require("@...
- 116
9
votes
Learning hardhat. What is the difference between deploying to localhost and hardhat network?
Hardhat has a local ethereum network that is run in two flavors. The "hardhat" network is run in-process, while the "localhost" version is run as a standalone daemon, enabling JSON-...
- 91
9
votes
Accepted
What is the difference between getSigners and getNamedAccounts?
getSigners and getNamedAccounts are both used for the same purpose, getting public key for accounts.
Since you asked for getNamedAccounts I assume you are developing on a hardhat environment because ...
- 133
8
votes
Accepted
Transaction reverted: trying to deploy a contract whose code is too large
In this case, the problem was the mal-formed hardhat.config.js file. Here is what should solve the problem:
module.exports = {
solidity: {
version: "0.8.9",
settings: {
...
5
votes
Accepted
hardhat-deploy: ProviderError: The method evm_snapshot does not exist/is not available
The fixture functionality currently doesn't work for testnets. If you want to run your tests on a testnet, you'll first have to deploy the contracts, and then run your tests.
- 10.2k
5
votes
Accepted
Cannot read properties of undefined (reading 'gteHardfork') when deploying contract using hardhat
Upgrading hardhat should fix your problem:
npm i --save-dev hardhat@latest
The reason why this happened is that there are some compatibility issues between older versions of hardhat and newer ...
- 2,724
5
votes
Accepted
hardhat does not find artifact when deploying
Well, I managed to find out what was wrong.
The contract filename and the contract definition were different.
I don't know if the filename of the contract and the contract definition has to be the ...
- 181
5
votes
ProviderError: max code size exceeded
you can try Above mentioned steps but before doing any of that, Please try compilerOptimization setting in hardhat.config.js.
IMO, use at least 1000 runs which will optimize your deployment a lot ...
- 415
5
votes
Accepted
I can't deploy large contracts with Optimizer enabled
Optimizer is supposed to help your large code achieve maximum efficiency so it runs and can be deployed. Increasing the runs value from 20 to 500 may work.
- 66
5
votes
Accepted
hardhat-deploy deterministic deployment
In order to use Create2 and get the same address, you have to pass the same variables:
create2(someValueToPreventCollisionWithCreate, msg.sender, salt, contractBytecode)
So if your contractBytecode ...
- 10.2k
5
votes
Help Please hardhat.config.js * Invalid account: #0 for network: Rinkeby - private key too short, expected 32 bytes
Make sure you are copying your PRIVATE KEY and not your PUBLIC KEY.
If you are using metamask, you can get your PRIVATE KEY from
the 3 dots menu beside your public key,
and then account details
...
4
votes
Property 'getContractFactory' does not exist on type?
ethers.getContractFactory is a one of the helpers that Hardhat added to the ethers object so you need to call hre first.
https://hardhat.org/plugins/nomiclabs-hardhat-ethers.html#helpers
Notice ...
- 598
4
votes
Accepted
How to interact with a deployed contract in a script/task using hardhat-deploy
A common "gotcha" of hardhat deploy. You have to use --network localhost when running a script with your own hardhat node locally.
The default network is the hardhat network otherwise.
- 10.2k
4
votes
Error HH8: There's one or more errors in your config file, Expected a value of type HttpNetworkConfig
You're getting this error because hardhat needs to be able to verify that the URL and accounts you're using for a network are valid for that network. In your specific case, your Private key isn't ...
- 10.2k
4
votes
Accepted
Error HH8: There's one or more errors in your config file, Expected a value of type HttpNetworkConfig
had to run source .env to enable the .env in Ubuntu 20.04 LTS
- 235
4
votes
How to get ABI of deployed contract using ethersjs in hardhat?
If you are deploying by command line, you can read from the file where is previously builded, in the case of hardhat there is a example:
const fs = require("fs")
const path = require("...
- 141
4
votes
Accepted
Can hardhat deploy contract by metamask?
Hardhat is a backend platform. Metamask lives in your browser. They are not meant to communicate like that. So you can't deploy your contract through Hardhat by utilizing private keys inside Metamask.
...
- 28.6k
4
votes
Can hardhat deploy contract by metamask?
This can be achieved with the help of this npm library:
https://www.npmjs.com/package/hardhat_metamask_client
The approach of the library is a little tricky due to the fact that hardhat doesn't meant ...
- 41
4
votes
Accepted
Is there any automatic solution to remove comments and console.log from solidity files?
Yes, there is Hardhat plugin called hardhat-log-remover that can do this for you. You just add it as a plugin in your Hardhat config, and then you can run it from the terminal like this:
$ yarn run ...
- 16.9k
3
votes
Accepted
Hardhat writing tests for contract that calls another contract
Final solution with help of @LauriPeltonen:
I am just deploying my dai contract in beforeEach and then taking its address and passing it to the contract constructor.
Solidity:
address public ...
- 153
3
votes
I can't deploy large contracts with Optimizer enabled
I came across same problem once, this setting below worked for me
settings: {
optimizer: {
enabled: true,
runs: 200,
details: { yul: false },
},
},
3
votes
how to deploy smart contract using hardhat via specific signer/owner
Since we have provided from address in our hardhat config so we can easily access that address from network config & use as contract owner as below.
deploy.js
const { network,ethers } = require(&...
- 91
3
votes
TypeError: Cannot read property 'length' of undefined - While deploying using hardhat
I got the answer from the MASTER himself, @PatrickAlphaC.
When we call await getNamedAccounts in the above code, hardhat looks for the length of the named accounts in our hardhat.config.js
We have to ...
- 141
3
votes
Help Please Solidity version pragma statement in these files doesn't match the configured compilers in your config*contracts/hello-world.sol ("0.8.4")
try this:
at hartdhat.config.js
module.exports = {
solidity: "0.7.1",
};
0.7.1--> 0.8.4 (solidity version you use in the smart contract)
if not work, comment below, or git upload code ...
- 601
3
votes
What is the difference between getSigners and getNamedAccounts?
If I write getNamedAccounts instead of getSigners in my code, the code won't run ?
Because you are using named accounts. That's why getNamedaccounts results in an error.
Check your hardhat.config, ...
- 191
3
votes
Error: could not detect network
That configuration fairly look complex. Instead of 'fs' you can simply use .env file.
First install, dotenv
Next create .env file.
Inside the file, the values should be like this.
ALCHEMY_API_KEY = &...
- 928
3
votes
Accepted
Hardhat deploy TypeError: ethers.getContract is not a function
I recognize that deploy script anywhere. It's what i learned from Patrick and just like you i got this problem too. Its a hardhat-ethers problem and you will need to install hardhat-deploy-ethers as ...
2
votes
`deployments.get` not allowing me to call functions
await deployments.get("SampleCode") doesn't return a specific instance of a contract by design.
You need to get the actual contract after you get the deployment:
SampleCode = await ...
- 10.2k
2
votes
Property 'getContractFactory' does not exist on type?
First, uncomment your hre import at the top of your deploy.ts script.
import hre from 'hardhat'
and then call hre.ethers.getContractFactory. hardhat extends the ethers object with getContractFactory, ...
- 81
Only top scored, non community-wiki answers of a minimum length are eligible