Category "truffle"

How to set price for all NFTs in a collection on opensea?

If I mint a collection of n items on my own address (via smart contract) , it'll be publicly visible on my account under the collected / created section like th

npm warn deprecated and npm errors

I tried to install truffle and all these deprecated messages and errors occured , i checked the npm modules version with 'npm-check -u' and it says it is all g

This version of µWS is not compatible with your Node.js build: Error: node-loader. while running "truffle console"

I'm working on a Blockchain project where I use Truffle. when I run the Truffle Console command I face this issue. Complete Log: This version of µWS is no

how can i call a function in a smart contract from an abi json file smart contract

i have the abi json file for a contract and i want to use its functions in my smart contract. is there any way to do it? for example i have a contractA.sol and

ParserError: Expected '{' but got reserved keyword 'override' function _mint(address to, uint256 tokenId) internal override(ERC721) {

I keep getting this error, Does anyone know the solution? the code its inheriting, function _mint(address to, uint256 tokenId) internal virtual { // req

Error: TypeError [ERR_INVALID_REPL_INPUT]: Listeners for `uncaughtException` cannot be used in the REPL at Object.compile

I am new to truffle and I work on blockchain project so when I "migrate" in truffle develop, this error occurs. Why ? I change the version of my compiler by 4.2

Getting a bunch of error messages when trying to install Truffle. How do I fix this?

I am using Windows 11 and Windows PowerShell to write the commands. Right now its a struggle to just install Truffle :/ I've tried restarting the computer, inst

Getting Error on installing Truffle on windows 10 using npm install truffle -g

When i tried to install truffle i got these errors :- I have installed Node.js earlier and also i have pip installed. PS C:\Users\pk199\Documents> npm instal

Error while installing truffle using "npm i truffle -g"

While installing Truffle on my desktop, an anonymous error occurs... First it's showing the error related to python which is strange but then I install python

npm error installing truffle for ethereum development

When I try to install truffle using npm, the following output appears: npm WARN deprecated [email protected]: This package is broken and no longer maintained

OS Error: Connection refused, errno = 111, address = 127.0.0.1, when trying to run a hello world blockchain app

I'm trying to follow this GeekForGeeks tutorial on mac M1 via emulator but I'm seeing this error Unhandled Exception: SocketException: OS Error: Connection refu

Truffle installed but not working properly

I'm using node version 12.20.2 and npm version 6.14.11 and installed truffle with cmd as administrator, the truffle framework version 5.5.12 has been installed

Getting error while deploying smart contract using truffle

2_deploy_contracts.js ===================== Replacing 'SimpleStorage' ------------------------- Error [ERR_UNHANDLED_ERROR]: Unhandled error. ({ code:

Unexpected token issue in truffle on Windows

I am trying to install truffle on node version 8.9.0 and npm version 5.5.1. It got installed but am not able to do anything in that. every time I try any comman

How to initialize my contract with front end?

I've compiled and deployed my contract and tested it successfully and also connect Metamask to ganache and all works fine. The problem is when I try to interact

AssertionError: expected [Function] to equal 'EthSwap Instant Exchange'

I am doing a tutorial on the web and I ran into an error while trying to run a truffle test. I am not sure where I am going wrong or what to do in this event. C

npm install -g truffle install visual studiosVsCode

I'm trying to follow this video and I think I'm doing something wrong, this is what is appearing in my terminal: .

Issue with Web3.js, try to call he contract to see the state

Hi everyone! I tried to make a call to the state of a contract developed on truffle, using web3.js in React, the problem is this, when I try to see the price of

Time out error during Deployment in Binance Smart Chain

I got an error while deploying contract in Binance Smart Chain plz help me if anybody knows it error message looks like this Deploying 'WhitePaperInterestRat

Truffle installation windows

I try to install truffle on windows with npm install -g truffle as administrator. I updated node.js npm and don't know what to do next. PS C:\Windows\system32&g