Questions tagged [ether]

Ether (ETH) is the main internal crypto-fuel of Ethereum and is used to pay transaction fees.

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What will happened to my WETH TOKEN if the receiver or the network didn't support WETH TOKEN

I send WRAPPED ETH to a wallet/network which is COINS PH WALLET that has supported ETH ADDRESS, i thought WETH and ETH are the same? Now my problem is how can i possible retrieve my TOKEN?
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Creating a token for my personal dapp use only

I want to store the money in a smart contract from my user as long the user wants and pay back the user once he asks i will not charge for this service if I store ether in it and the value of Ethereum ...
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Consolidate multiple Ethereum accounts

I have multiple Ethereum accounts with pretty small amount of Ether, like equivalent of $20…$50 Is it possible to consolidate all wallets and/or transfer the all coins to a single wallet in Ethereum ...
Xytrax's user avatar
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What is the importance of `message Hash` generated from signing using private key

when we are signing a message using our private key what's the use case of the message hash ? Take the example from the eth_accounts module from python. >>> msg = "I♥SF" >>>...
Saikat Karmakar's user avatar
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What happens when I sent WETH from wallet vai Ether network to Coinbase

I stupidly sent my WETH from wallet to Coinbase using Ether network. I don't see this showing in my Coinbase, have I now lost this or can I do something to recover the funds? Would very much ...
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Decoding Chainlink Function Response in Solidity Contract and Handling Nested JSON Objects

I'm dealing with a problem regarding the decoding of data obtained from a Chainlink function in my Solidity code. Specifically, I'm using a Chainlink custom function that sends an HTTP GET request to ...
Blaž Perić's user avatar
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How to change response from oracle?

I need to test my contract, and to test I need to change data that I recieve from ChainLink Oracle (I get Ethereum price from it). So how can I change price on ETH local for tests using Ganache-Cli or ...
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Error : Cannot read properties of null (reading 'useContext') in frontend

import contracts from '../RPSLS.sol/RPSLSFinal.json' import { ChangeEvent, useContext, useEffect, useRef, useState } from 'react'; import { useNavigate, useLocation } from 'react-router-dom'; import { ...
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Which function to use for swapping eth against token on uniswap?

I use the following code to create the swap_transaction: swap_transaction = router_contract.functions.swapETHForExactTokens( 0, [weth_address ,token_address], account_address, int(time.time())...
Bice65's user avatar
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What methods are there to send value to a wallet via internal transactions?

I'm familiar with direct transfer via contract and self-destruct method, which can be seen in this screenshot: Are there any other methods of replenishing the wallet like these, so that it would be ...
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Is sending USDT to Ethereum main network address Possible?

I copied my Metamask Ethereum main network Ethereum wallet address to someone who said "Supported Wallets: ERC-20 Compatible. E.g. Metamask," for payment. I want to know if the transaction ...
Cisco jr's user avatar
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Sending fix amount of ETH without manually input value in remix

I tried writing a contract so that we can send eth without inputting value manually in this field in remix. So, we just need to click the sendEth button below ( no need to input anything) The ...
tony's user avatar
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What's difference between filter for hashes and filter for full transactions?

I'am trying to understand the main difference between a filter for hashes and a filter for full transactions. Can anyone explain me this please?
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I need help from Expert Dev for POS bot [duplicate]

I recently received a code and deployed it. it sent 0.2 eth which is succesful and is visible in the contract transaction. I hoped to generate some passive income with with this POS Bot. The problem ...
TXN crypto's user avatar
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Running a local eth network

I trying to run a local eth network because the online faucets are too slow for us But I am struggling to find a good docker-compose example online to do so There are a few but all of them dont run ...
Sam Elamin's user avatar
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How to assign and send ether value together with deployment of contract using Foundry

This is the simple function, how do I deploy the contract and send ether along with it? function setUp() public { test = new testContract( Owner; ); }
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Does the boosted staking feature of Coinbase One apply to Ethereum?

Coinbase sells the Coinbase One service which costs $30 / month. This provides 'boosted' staking which "reduc[es] the commission that Coinbase takes from the relevant protocol payout." The &...
Brian Schack's user avatar
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how can i decode this transactions and see what it contain?

I'm interested in decoding the information within this transaction, which can be found at the following link: https://etherscan.io/tx/0x1013929251687ff7f6a7e2e0c7e3caae6fd93a2342dd5ad9793ff33c5802269f ...
PandaKungFuu's user avatar
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Can someone help me embed this crypto calculator on my website?

I am trying to copy this calculator - https://plasbit.com/widgets - into my website and it does not show on my site. Please help me.
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Please help me with my project [duplicate]

I have been given the final year project of fake brand detection using blockchain. I am a complete beginner in anything related to blockchain or ethereum. Can anyone help me any way where to start. I ...
Rivaa Vadher UCOE- 3892 's user avatar
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can eth_call() make this?

I have a contract and inside the contract there is a non-payable function that can call externally. this function do some analysis,and calls other payable function than can make real transaction using ...
Biruk Damte's user avatar
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My fund was stuck at ParaSpace, multi signer A&B initiated the code on@safe, but C said they were doing sth else, can someone help me?

It was a long story, i mistakenly sent 12eth to Para. https://etherscan.io/tx/0x72ef5f105ec1c40f917d92aa48caafe24448d9d8507c303ee9a66cbad2c0e983 but somehow para side set up this https://app.safe....
wonderX's user avatar
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How to fix invalid BigNumber string error in Solidity?

this is a simple contract. where I want to develop a function, optimizer, upon calling it will transfer an amount of eth to an address. but when I deploy it on the testnet, connect my Metamask and try ...
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Deterministic address calculation?

proxy contract contract ERC20ProxyDelegator { constructor(ERC20Votes _token, address _delegate) { _token.approve(msg.sender, type(uint256).max); _token.delegate(_delegate); } } ...
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How can i validate bulk orders on nft marketplace contract?

I have a nft marketplace contract. To list nfts i am getting the order details and a signature base on order details. And list the nft on FE. When some user want to buy it i simple sent signature and ...
Furkan Sezal's user avatar
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Good extensions for both Foundry & Hardhat

Hello i'am looking for good vscode extension for both foundry & hardhat. Thank you for your feedback !
PandaKungFuu's user avatar
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Issue creating pair on IUniswapV2Factory (sepolia)

I have the following interfaces in my contract file: interface IUniswapV2Factory { function createPair(address tokenA, address tokenB) external returns (address pair); } interface ...
Timmy12321's user avatar
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Despite calculation I get contract creation code storage out of gas

My smart contract is deployed on https://sepolia.etherscan.io/tx/0x1b1742a3ff2ac160d5f245ab91828fcc56a803cb3826b6cbdb9f3cb2f293ba66 Once deployed I get contract creation code storage out of gas error ...
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How can I fix execution reverted: ERC721: approval to current owner?

My contract is returning me this error: execution reverted: ERC721: approval to current owner How can I fix this? //SPDX-License-Identifier: Unlicense pragma solidity ^0.8.0; import "hardhat/...
Mohamed Dhaanish's user avatar
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Is there any way to change hardhat running environment (hre) provider when running script?

I'm running multiple hardhat nodes in different ports like: 0.0.0.0:8545, ...:8546, ... My scripts is something like this and I use it in a nestjs project import * as hre from 'hardhat'; async ...
CT95's user avatar
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my transaction shows as reverted but i didn't recieved my money yet

So I transfered some Binance-Peg Ethereum Token (ETH) over the bnb network (bsc20) (with my ledger wallet/app), but the status of the transaction shows 'reverted' There are some articles saying that '...
Soran Rajabi's user avatar
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Creating a local variable in an if statement?

I'm looking at a function that creates a local variable in an if statement. If someone called that function and the condition to the if statement was not triggered, that local variable wouldn't exist, ...
auditor_chick's user avatar
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How do I hide or mask the sending address when sending tokens or eth

I am trying to build a crypto payment gateway. But when users initiate a withdrawal to credit their customers, the transaction can be tracked up to the point that shows the system address where the ...
Starbody's user avatar
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2 answers
177 views

Why is Transaction Value showing 0 ETH on Etherscan?

I'm not sure why the transaction value on Etherscan is showing as 0 ETH when the transaction was confirmed. According to the recipient, they haven't received anything in their wallet either and I'm ...
Dan's user avatar
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Avalanche Consensus and how better it is than Ethereum?

Which consensus mechanism do Avalanche currently uses and is it better than ethereum and other EVM compatible blockchain and apart from consensus what others benefits does avalanche provides us?
Code Blocker's user avatar
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Transaction involving contract and ETH

I have a problem in Web3. I'm trying to obtain data from an ETH transaction but it involves a contract (Coinbase 10). From what I understand of the transaction, it looks a lot like token transactions (...
Alison Silva's user avatar
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Connecting to a private Blockchain via a Dapp

How can I choose an a node to randomly connect to on the cluster? I can already connect my Dapp to the private node. But what happens in case that node is not available or a different node is more ...
Divyya's user avatar
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Where in the code of this unstake function is ETH actually transferred?

I am looking at this repo, which is contracts for a decentralized pegged asset issuance system backed by liquid staking tokens like rETH. Specifically, I have a question about the functions unstake in ...
auditor_chick's user avatar
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Uniswap V3 Pool_Init_Hash calculations

I'm trying to do calculations for determining pool addresses. However my INIT HASH keeps being wrong. I found some code which calculates pool addresses in a different way export const ...
Ritzy Dev's user avatar
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What is 'value' in this Uniswap transaction log on Etherscan?

Hi, I'm finding it difficult to understand what Value is(=0.16 ETH in this example). Is it the miner tip to put the transaction first wrt to everyone else? Or is it the value in ETH of the token ...
Ricouello's user avatar
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Can a function call itself?

Can a function call itself...specifically, I am looking at this code and I can't figure out how this could work properly...the parameter vault would be the first parameter in the line that calls ...
auditor_chick's user avatar
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2 answers
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Can frontrunners modify transaction parameters

I am asking if it's possible to change parameters of a function called, for example: function updatePrice(uint128 price) public onlyOwner{ latestPrice = price; lastPriceUpdate = ...
anonauditor's user avatar
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ZoKrates witness computation

What do the values provided with the -a option in ZoKrates witness computation represent? Are these values typically private to each user or public, similar to verification keys? Also how are they ...
Osama Elghazaly's user avatar
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Inwestycja w liquidity mining

Good morning, Can anyone attest or have invested on the website ehcwa.top? I don't know if this is a real site or a scammers site though. Thank you in advance for your help and reply
Bartek Goc's user avatar
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Get multiple ETH transactions

I'm a little new to Web3, and in NodeJS I'm trying to create a deposit-aware system. Today I'm doing the following: ETH Transactions: Get it through getBlock, and check whether the "to" of ...
Alison Silva's user avatar
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When I run the yarn hardhat test the console only shows 0passing(0ms) and the test didn't run

When I run the yarn hardhat test the console only shows 0passing(0ms), which means the test didn't run. const { assert, expect } = require("chai") const { ethers, deployments, ...
hugr kai's user avatar
2 votes
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Impossible to get my bundle include even with 20 eth as priority fees

Bundle was not included in target block. Hello everyone, I hope you're all doing well. I'm currently attempting to execute a SwapExactETHForTokens transaction on Uniswap V2 using EIP-1559. When I try ...
PandaKungFuu's user avatar
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Eth locked in contract, I have been scammed? [duplicate]

Following a blog, I created a contract using this code: https://pastebin.com/WAaLCGxW Now, I don't know what I did, but all the ETH I sent to the contract ended up through "internal transactions&...
Marco Migozzi's user avatar
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Creating address using Clef JSON-RPC without manual Confirmation on Clef

I am trying to create a new account using clef on my ETH node. I am using clef JSON-RPC {"id": 1, "jsonrpc": "2.0", "method": "account_new", "...
michaelaberra's user avatar
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Function invocation failed due to no matching argument types web3 python

I am trying to access smart contract but its returns Could not identify the intended function with name createEscrowOrder, positional arguments with type(s) int,address,float and keyword arguments ...
Hassan ALi's user avatar

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