Ethereum Questions, Problems & Solutions : TransWikia.com ~ Page 15

Transaction underpriced at 5000000 gas but overpriced at 10000000

I've been developing a smart contract for a while on the Ropsten network using the Truffle framework, quite successfully. My truffle-config.js looks like this:const path = require("path");const HDWalletProvider =...

Asked on 08/26/2021 by Vasya

1 answer

Web3js events and their callback functions are not aware of component state?

I have problem with web3js 1.2.9Events triggering works fine and data is alright but I cannot figure out how to use component state in this functions that are triggered...

Asked on 08/26/2021 by fimac

1 answer

Invalid block XX: unknown ancestor while restoring the chain - private blockchain

I'm trying to restore blockchain using import a rlp filegeth import backup.rlpIt show an error Is there any way...

Asked on 08/26/2021 by Div

1 answer

Convert a string in scientific notation to a number

my smart contract uses an Oracle to retrieve the price. The price is returned as a string in scientific notation, for example, "3e-8". How I can convert this to number...

Asked on 08/26/2021 by EtherPaul

1 answer

Alternative to ganache

can someone please tell me an alternative to Ganache? Tried installing ganache on my laptop and it's not supported. Ganache works on 64 bit computers and mine is 32bit. Is...

Asked on 08/26/2021 by Adeolu Adewole

0 answer

Cost of forking Augur

Augur Version 2 is scheduled for launch on July 28th 2020. How can the cost of forking Augur version 2 (by disputing a market resolution) be calculated in REP? How...

Asked on 08/26/2021 by user61639

0 answer

State Variables: What are they and how to create them?

I am new to ethereum and Solidity. I thought state variables are supposed to retain their value between calls. In the Solidity documentation, in the section State...

Asked on 08/26/2021 by Zephyrus

1 answer

Not able to use DAI's permit() function

I'm having trouble testing the permit() functionality from the DAI contract. I've read the documentation and a couple of other resources, although, I got the contract code and...

Asked on 08/26/2021 by João Quintanilha

0 answer

Is gas cost of external calls included in gas cost of the main call?

When I call external methods of other contracts from my contract, is the gas fee of these calls included in the gas fee displayed by MetaMask? My transaction reverts (execution...

Asked on 08/26/2021

0 answer

Token Access Issue

Hi Sir we Create Token but we cloud'n have full access on Tokens. Like we create 2000M Token but when I add it in my Metamask I got only 200M...

Asked on 08/26/2021 by Aymi4243

2 answer

Ask a Question

Get help from others!

Ethereum : Recent Questions and Answers (Page 15)

Ask a Question