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Questions - ethereum

msg.value raises error and doesn't send eth to contract

I am trying to write a simple Contract in Remix and cannot find a solution for the following problem: Trying to transfer a specific amount of Ethereum to the contract. The contract compiles and deploy...
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SQU

blockchain

ethereum

solidity

smartcontracts

Votes: 0

Answers: 1

Latest Answer

The third screenshot shows that you're sending 0 wei along with the transaction. So the require condition in your Solidity code fails, as 0 is not more than 0.02 ether. A contract is not able to pull ...
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Petr Hejda

Solidity/Ethereum. Cheaper alternative regarding gas

I am learning solidity/ethereum and I came across this situation: I have a mapping(address => unit) that keeps track of how much every address is paying my contract, and at some point, I have to co...
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dani9837

ethereum

solidity

evm

Votes: 0

Answers: 1

Latest Answer

From what I understand of your use case, your first instinct is probably the simplest and the best solution unless you have an easy way to compute the total pool. You have to keep in mind that in soli...
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Xavier Hamel

Getting this error while trying to build: Module not found: Error: Can't resolve 'crypto' in

Module not found: Error: Can't resolve 'crypto' in 'C:\Users\Dana\Desktop\myapp\node_modules\web3-eth-accounts\lib' BREAKING CHANGE: webpack < 5 used to include polyfills for node.js core modules b...
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dana sandman

reactjs

webpack

ethereum

web3js

Votes: 0

Answers: 1

Latest Answer

You have a require('crypto') (or maybe import from 'crypto) in your code. crypto is a built-in Node.js extension and you are trying to build a browser project. If that is what you need, as the webpack...
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mmomtchev

BitQuery wrong data/not real time

Hi I started playing with BitQuery graphql to see if it would help me with querying blockchain data. I love the idea of single API for most of the blockchains. I have a problem tho. The data that Im g...
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Mugetsu

graphql

blockchain

ethereum

smartcontracts

Votes: 0

Answers: 2

Latest Answer

We are doing the same. I am actually playing around also in bitquery coz I'm trying to build something and I also encountered this one. And what I found out is that "quotePrice" is not the a...
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Limuel

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