I want to test get my function TokenUri using hardhat. Here it is: function tokenURI(uint256 tokenId) public view virtual override returns (string memory){
I am new to deploying smart contracts with hardhat and am following a tutorial at https://dev.to/dabit3/the-complete-guide-to-full-stack-ethereum-development-3j
I'm Solidity Newbie. I'm learning how to implement Transparent Proxy using Openzeppelin's TransparentUpgradeableProxy contract, but am having some problems. Ste
I created a contract instance in hardhat console like so: const contract_fac = await ethers.getContractFactory("ContractName"); const contract = await contract_
after maked directory and on terminal I typed 'npx hardhat' enter image description here but doesnt showed create project when i saw their tutorial, possible to
I'm trying to follow a tutorial to create an NFT: https://ethereum.org/en/developers/tutorials/how-to-write-and-deploy-an-nft/ I took a faucet here: https://fau
I was following Patrick Video "https://www.youtube.com/watch?v=9oERTH9Bkw0&t=5700s" where I encounter this error at 2:31:20 and the code in that video is al
I'm coding an bep20 token and if I want to add Liquidity with pancakeswap I get the following error: ProviderError: Error: VM Exception while processing transac
I have contract this part is simply creating smart contract for NFT. At the end of the createToken() I am emitting event. // SPDX-License-Identifier: MIT OR Apa
consider the following code snippet: let proposals = JSON.parse(fs.readFileSync(proposalsFile, "utf8")) proposals[network.config.chainId!.toString()].push(propo
I have two smart contracts that I want to deploy. I want to deploy the first one, then pass the address of the first into the constructor of the second one. I a
I am pretty new to development and asking questions on stackoverflow, so if there is something else I could provide, please tell me in comments! I have installe
I've connected metamask to a node created with hardhat. I can connect to this node on http://localhost:8545 network in metamask after setting the chain id to ma
I'm trying to fetch the price of ETH from KyberSwap, using Ethers.js, but I'm receiving the following error: Error: unknown account #0 (operation="getAddress",
In the official waffle documentation you may find the next way to implement fixtures: import {expect} from 'chai'; import {loadFixture, deployContract} from 'et
I am trying to follow this guide and I am struggling running hardhat. After following the commands in the article: mkdir hardhat-tutorial cd hardhat-tutorial np
i try to write NFT marketplace and i have problem with reselling items from user that buy item from owner and new, third user. I use next.js + openzeppelin + ha
I'm trying to create my own NFT contract factory, but it fails in mainnet. I have ETH on my wallet. In test it works fine. Here's my contract: //Contract based
I am not really sure how to restart the state of the node to the initial state. Each time I try to redeploy a contract - I'm getting the same contract, the cons
I am trying to make a basic React component to retrieve a value from a deployed contract. In this example, I am using an input box to receive a contract address