TransWikia.com
  1. All Categories
  2. Ethereum

Ethereum : Recent Questions and Answers (Page 16)

Find answers to your questions about Ethereum or help others by answering their Ethereum questions.

Getting name/decemals of unstandardized token on Ethereum blockchain with web3.js

I understand how to call methods of name/symbol or decemals on ERC-20 tokens but what about tokens that do not have such.. for example this token here ...

Asked on 08/26/2021 by Sanchez Panza

0 answer

How to get event from geth ethereum node using web3.js

I have created a simple contract where I am trying to write a value to a state variable in solidity smart contract, and emit that written value. I am using...

Asked on 08/26/2021 by Moh

0 answer

Issue with failing to detect peers via Bootnode on Local Network

I am attempting to connect various nodes to my private blockchain on my local network using a bootnode to discover peers. Connecting the peers on the local machine running the...

Asked on 08/26/2021 by Rhys

0 answer

Is Truffle test useful?

Hi there I came across "Truffle test". As a developer I feel like it's better to test code on remix for unit testing rather than wasting time on writing truffle...

Asked on 08/26/2021 by Haseeb Saeed

0 answer

ParserError: Expected ',' but got 'payable' admin.transfer(address payable(this).balance); ^-----^

I have write a small smart contract. however there is problem. please see below full codepragma solidity ^0.5.16;import "./x.sol";contract xSale {address admin;x public tokenContract;uint256 public tokenPrice;uint256 public tokensSold;event Sell(address...

Asked on 08/26/2021 by Shabdank Bhanawat

1 answer

What is the right way to calculate gas price and limit for contract deployment?

I have tried several times and reached up to a gasPrice of 65 Gwei and a gasLimit of 500,000 which is $7.6 and still the deployment fails with error "Out...

Asked on 08/26/2021 by user61713

1 answer

How to set values for Solidity contract state variables from JavaScript front-end?

I am trying to set values to the following contract public state variables from a frontend javascript code. But it seems not working. Contract public state variables:// Current state...

Asked on 08/26/2021 by sijo0703

1 answer

call opcode gas consumption on a non EOA address depends if the addres is "new" or not

I have the following contract, reduced to the minimum for testing reasons:pragma solidity ^0.6.11;contract PackedMultiplexer { function multiTransfer(address _address1, uint _amount1, address _address2, uint...

Asked on 08/26/2021 by coinwalletdev

1 answer

UnimplementedFeatureError: Copying of type struct C.Friends memory[] memory to storage not yet supported

I'm always getting this error:UnimplementedFeatureError: Copying of type struct C.Friends memory[] memory to storage not yet supported.I don't know what is wrong and how to fix it.Can...

Asked on 08/26/2021 by Laurens Wissels

1 answer

ipfs.add is not working

I am trying to upload my file to IPFS and save its hash to my Ethereum contract but neither ipfs.add nor ipfs.files.add is working for me...I have tried usin...

Asked on 08/26/2021 by Usamafarooq459

2 answer

Ask a Question

Get help from others!

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP