Questions tagged [hardhat-deploy]
The hardhat-deploy tag has no usage guidance.
80
questions
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views
Metamask doesn't connect to it's own localhost or hardhat localhost
Metamask doesn't connect to it's own localhost. I run a hardhat node from Mac. I know it's a known issue, but I've tried all available methods listed below.
I tried installing older versions of ...
0
votes
1
answer
29
views
how to use a library with testcases using hardhat
I'm using a library for managing Events. Now when I'm running the test case script then I'm getting an error.
ERROR
If I don't mention the library when I'm deploying the Users.sol contract.
...
- 212
0
votes
2
answers
26
views
Sending ERC20s to a Contract on deployment
I'm trying to send an amount of ERC20 on Contract deploy to the contract itself. I'm using Hardhat and OpenZeppelin Contracts.
Contract Code:
//SPDX-License-Identifier: Unlicense
pragma solidity ^0.8....
0
votes
1
answer
44
views
I keep getting this error while trying to compile my contract trough the HardHat feature
Here is the script in my deploy.js:
const main = async () => {
// We get the contract to deploy
const Transactions = await hre.ethers.getContractFactory("Transactions");
const ...
- 5
0
votes
1
answer
63
views
Set deployer address in Hardhat tests
I am using HardHat to write some unit tests. This part is related to deploying the contract, though I am not seeing how hardhat set address of deployer here.
Say we have these addresses:
let user1: ...
- 105
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0
answers
37
views
understanding hardhat JSON-RPC url - when is it used by DAPP?
I have a react.js app running using Portis wallet and I deployed one of my smart contracts using hardhat, using the url obtained from pokt.network and the other from default public url: https://rpc....
- 62
0
votes
1
answer
67
views
Deploying multiple contracts using Hardhat
My two contracts look something like this:
contract ContractA {
ContractB public contractB;
constructor() {
contractB = new ContractB(address(this));
}
}
contract ...
0
votes
2
answers
147
views
how to deploy smart contract using hardhat via specific signer/owner
I am trying to deploy a contract as per documentation https://hardhat.org/guides/deploying.html#deploying-your-contracts
Below is how i am deploying it
hardhat.config.js
require("@nomiclabs/...
- 11
0
votes
1
answer
59
views
Deploy contract using second address in wallet using hardhat
I'm trying to deploy a contract using the second address in my wallet (Metamask), how can I achieve such thing from hardhat?
This is my hardhat config:
/**
* @type import('hardhat/config')....
- 15
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0
answers
16
views
Can't set the value of a variable when passing encoded data as parameter with upgradeable contracts
I posted many days ago and I thought to have understood the answers but apparently here I am asking the same questions again!
I have these contracts:
// SPDX-License-Identifier: MIT
pragma solidity ^0....
- 15
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0
answers
13
views
How to have a URL(backed by a host provider) for a Dapp
I have created a Dapp by React, Ethers.js, and Hardhat, but I don't know how to make it available to the public?
I know I must deploy it to some mainnet or testnets, instead of local servers. But the ...
- 121
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0
answers
17
views
Does hardhat have an equivalent to map.json in brownie?
In brownie projects, the last deployed contracts are stored in build/deployments/map.json. Does Hardhat have something similar?
Example map.json:
{
"42": {
"DappToken": [
...
- 101
1
vote
1
answer
144
views
Hardhat gives a same address for every deployment on the localhost
I am trying to develop my project using React, Ethers, and Hardhat. Whenever I run the below commands in order, the hardhat gives me the same address as previously deployed contracts. So weird! I ...
- 121
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1
answer
35
views
How to send ethers to a contract during its deployment in hardhat? [duplicate]
Let's say I have this contract.
contract Wallet{
string value;
function balance() public view returns(uint){
return address(this).balance;
}
constructor(string memory _value) ...
0
votes
1
answer
192
views
Reverted with reason string 'ERC20: insufficient allowance'
I'm newbie on solidity and I'm trying a simple ERC20 on hardhat with task for understand use case
I follow this steps
Mint in owner
Owner owns N token
Owner would to approve Receiver for receive ...
2
votes
0
answers
69
views
Save hardhat node state for later
Is there a way to save your current local hardhat node state for later? Or do you have to restart every time you start up a new node?
Like:
yarn hardhat node --from-state ./state-dir
Or something
- 4,940
0
votes
1
answer
133
views
How to re-use previously deployed contract with Hardhat?
In brownie there's a very handy syntax to avoid deploying multiple times the same contract on-chain, while developing and iterating fast:
MyContract.deploy()
# somewhere else, sometime later:
...
- 101
0
votes
1
answer
117
views
Quickswap transaction always reverts when using swapExactTokensForTokens
pragma solidity 0.7.5;
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
contract Swap {
...
0
votes
0
answers
190
views
Using "hardhat deploy" plugin, and it is not getting the deployed contracts
I'm using the hardhat-deploy plugin to deploy the contracts, the plugin successfully deployed the two contracts but, not performing the same this time, what I've done is...
import { ...
0
votes
1
answer
19
views
Is Transaction fees refund when deploy smart contract fail
I deployed a smart contract using hardhat to Ethereum mainnet, so the transaction fail, and my question is Transaction fee will be refunded to my wallet or not?
Thanks.
- 101
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votes
0
answers
55
views
problems deploying a contract on the Kovan network
Good evening, a couple of days ago I was able to execute this command without any problem and today, suddenly, I got this error. I don't understand what it means by "insufficient funds". ...
- 141
1
vote
0
answers
129
views
ByteCode produced by hardhat compilation incompatible with ethers.js factory methods?
I've been trying to deploy a contract with ethers.js using the artifacts produced by hardhat compile, but it fails on factory creation with an "invalid bytecode" error, because the json ...
- 407
2
votes
1
answer
283
views
hardhat-deploy deterministic deployment
I'm trying to deploy a contract, delete it, and then deploy it again using CREATE2 with hardhat-deploy's deterministic feature.
However, I can't seem to get my contracts to have the same address. Here ...
- 4,940
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0
answers
119
views
Can't deploy smart contract to hardhat network
I set up a project with hardhat for an NFT app. I modify hardhat.config.js like this:
const { ALCHEMY_KEY, ACCOUNT_PRIVATE_KEY } = process.env;
module.exports = {
solidity: "0.8.0",
...
- 101
0
votes
3
answers
162
views
NPX hardhat compile failing
I am following the OpenZeppelin docs for deploying a smart contract. but when i run
npx hardhat compile
i get this error
ParserError: Source "node_modules/@openzeppelin/contracts/access/Ownable....
0
votes
2
answers
257
views
Call A Smart Contract Function With Another Deployed Smart Contract Address As "msg.sender " From Hardhat Test
I have The Following Function in my Smart Contract
function functionName(uint256 param1, address param2)
external
override
{
require(msg.sender == marketContract, "...
- 116
0
votes
0
answers
121
views
Problem when deploying a contract to the rinkeby network
I encountered the following problem when deploying a contract to the network (everything is successfully deployed to the local network) details hardhat.config on the picture.
Problem: ProviderError: ...
0
votes
2
answers
228
views
How to test if msg.value is 1 ether in test
I have a function which mints when 1 eth is send to it. The function is
function _mint() public payable{
require(msg.value == 1 ether , "Send more ethers: 1 ether is required"...
- 51
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9
views
Access returned contract reference with ethers.js [duplicate]
Say I have the following contracts:
contract A {
constructor(string memory name) {
m_name = name;
}
function getName() public view returns(string) {
return m_name;
}
...
- 157
1
vote
0
answers
29
views
How to deploy multiple instances of the same token/contract and then access them?
HardHat:
I can deploy and call a method on, on a single token like this:
//............
await deploy("MyToken", {
from: deployer,
args: [],
log: true,
...
- 11
0
votes
0
answers
50
views
Difference between hardhat scripts and hardhat-deploy?
I've been developing smart contracts for a while using truffle but this is my first hardhat project. I'm trying to wrap my head around the best practices for testing/developing on my local machine but ...
1
vote
0
answers
62
views
Hardhat deployment to mainnet
I am preparing for a smart contract deployment to mainnet and I plan on using hardhat. I am trying to find out if there is a dry run style deployment that will simulate the deployment without ...
- 11
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1
answer
168
views
Payable functions in Metamask
Please share your experience with Metamask/ether.js interaction. I created a payable function and as usual in Remix or Etherscan we can interact with a contract directly (we have inputs to put the ...
0
votes
1
answer
36
views
RuntimeError: abort(ReferenceError: proccess is not defined)
I am following this instructions https://hardhat.org/tutorial/deploying-to-a-live-network.html
When I run the following command (last step of the instructions)
npx hardhat run scripts/deploy.js --...
- 105
1
vote
1
answer
179
views
Learning hardhat. What is the difference between deploying to localhost and hardhat network?
On one hand, when I run "npx hardhat node --network localhost" it tells me that we can only run hardhat node, so i run "npx hardhat node" and it works.
Ok so I am using hardhat ...
- 33
0
votes
1
answer
349
views
Interacting with Contract instance works on hardhat local rpc but throws error on mumbai testnet
So I'm currently working on an nft marketplace and I have this function that gets all the collections(which are proxy contracts) in the marketplace and gets basic info from the contract, like the name,...
- 133
1
vote
0
answers
61
views
Programmatically configure hardhat network
I'm trying to programmatically configure the hardhat network (instead of specifying it in hardhat.config and using --network nname) before deploying a smart contract.
So, something like this:
import { ...
0
votes
1
answer
154
views
Hardhat deploy on private chain with 0 fees
Using Hardhat, I am trying to deploy a contract on my private chain which has no gas fees.
When doing the deploy, hardhat throughs a "insufficient funds" error ...
I would like to override ...
- 41
0
votes
1
answer
21
views
Factory contract deploy external contract
I have a factory contract that has rather a small size, it contains the deploy function, and is pausable.
I want to extend that contract by adding new features but when I add anything it becomes ...
0
votes
0
answers
132
views
How do pass large number to deploy in hardhat?
This is the error I get:
Error: overflow (fault="overflow", operation="BigNumber.from", value=3.96e+26, code=NUMERIC_FAULT, version=bignumber/5.5.0)
at Logger.makeError (/home/...
- 170
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46
views
I can't figure out how to get hard hat working in VSCode
I installed version 8.3.0 of hardhat vis the terminal, but when I type npx hardhat to create a new file, it just brings up a list of global and available options. Additionally, hardhat has not created ...
- 21
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62
views
Problem during deploy a smart contract from an other
i have a question about give permission to one smart contract to be deployed only from an other.
I have deployed my first smart contract on mumbai testnet from my hardhat local environment. I have ...
0
votes
0
answers
104
views
Why does Hardhat's just deployed contract.address differ from the real one?
I am deploying a contract on the testnet with hardhat, but the address returned is not the real address the contract is at in the blockchain.
I am following hardhat's guide.
Code:
async function main()...
- 151
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votes
1
answer
697
views
Hardhat is not generating private keys when I run `npx hardhat node`
I don't know what is the problem here. When I run npx hardhat node I am getting only public keys.
And this is my hardhat.config.ts configuration:
import "@nomiclabs/hardhat-waffle";
import &...
- 101
0
votes
1
answer
379
views
What is the difference betweeen getSigners() eth accounts and the eth account in .env?
I am currently learning the usage of the Hardhat deployment environment and I have some questions with regards to getSigners()
I understand that getSigners() is an abstraction of an eth acc to be used ...
- 11
0
votes
0
answers
805
views
I can't deploy large contracts with Optimizer enabled
I'm aware since Spurious Dragon there's a size limit for the contracts, I cloned this repository to test it locally and learn about how everything works, but I can't deploy some contracts due to the ...
1
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0
answers
361
views
Testing contract with error did it run Out of Gas?
as I am experimenting with solidity, I have run and deployed my contract locally on a hardhat node:
hardhat_addCompilationResult
web3_clientVersion
eth_chainId
eth_accounts
eth_blockNumber
eth_chainId ...
- 111
1
vote
0
answers
55
views
How to update local search path for nomiclabs-hardhat-etherscan?
The documentation says:
Just provide the deployment address and constructor arguments, and the plugin will detect locally which contract to verify
however I have some contracts that only implement ...
- 159
1
vote
2
answers
2k
views
hardhat does not find artifact when deploying
After initializing with $ npx hardhat I am having trouble when deploying using hardhat.
HardhatError: HH700: Artifact for contract "<contract_name>" not found.
I can compile my ...
- 21
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votes
0
answers
543
views
Hardhat estimatedGas error on smart contract deployment
I'm getting the following error when trying to deploy to BSC testnet:
Hardhat Error: cannot estimate gas; transaction may fail or may require manual gas limit (error={"name":"...
- 1