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Questions tagged [ether]

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

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TypeError: Cannot read properties of undefined (reading 'parseEther')

const { ethers } = require("hardhat") const { time } = require("@nomicfoundation/hardhat-network-helpers"); describe("Escrow", function () { let Escrow; let escrow; ...
soumyadeep.eth's user avatar
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How can I know how much the scammer (creator of scam token) has made off us?

I fell for honeypot a few months ago when I was just starting to explore the world of cryptocurrency. I was scammed out of $50 along with many other guys who bought and then couldn't sell the token. I ...
28 Lucky's user avatar
-1 votes
1 answer
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need some amount of ether for getting the fake ether to learn blockchain [duplicate]

actually i was trying to get the LineaETH on Linea Sepolia test network. when i visited Alchemy(https://www.alchemy.com/faucets/ethereum-sepolia) for same, it is asking for to have some amount of ETH ...
Hardik Jain's user avatar
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1 answer
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Why don't tokens use a standard transaction method (blockchain)?

If a token is a coin already created on the basis of some existing blockchain (let’s take Ethereum for example), then why does tokens need smart contracts? Why don’t they use regular transactions like ...
28 Lucky's user avatar
-1 votes
1 answer
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I fundend an ETH smartcontract using .sol and remixeth.io but cancelled contract before withdrawing the coins [duplicate]

0xFcdA2700dCb5fb0f6CD0954498c922cDEbBFE32B is there any way to get those coins back on my wallet?
Jakob Kratz's user avatar
0 votes
1 answer
12 views

API for ETH to USD based on time and date

Does anyone know an API that will work based on any period of time. An API where I can put the year, month, day and time and it will give me the ETH to USD conversion at that moment?
hana's user avatar
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1 answer
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Lost assets after deleting the account

I'm not sure this is the correct way to contact. I accidentally deleted my one account from the Metaskwask wallet and when I recovered my account with my secret phrase I couldn't find some of the ...
Dinesh Shrestha's user avatar
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Finding cost of CHI gas token over a series of time

so I wanted to use a database I have to find the cost of the CHI gas token over a series of time. I got all the pools that have a CHI gas token, and I get data1 / data0 from all the sync events in ...
hana's user avatar
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1 answer
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Transferring Assets Between Ethereum and Binance Smart Chain

i would like to know how to Transfer crypto Assets Between Ethereum and Binance Smart Chain . Many thanks
adam mr's user avatar
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Request for Goerli/Sepolia Testnet Ether [duplicate]

I'm currently developing a blockchain application for my internship and need some Goerli or Sepolia testnet Ether to deploy and test my smart contracts. Unfortunately, I don’t have any previous ...
anika's user avatar
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Accidental ETH Base Exodus to ETH Kraken

Just need an answer wether i should have some hopes or not. Accidentally sent £500 BASEETH TO ETH Wallet and has succesfully confirmed on blockchain! No coins appeared and Kraken is simply saying your ...
Miguel's user avatar
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Executing contract function to change Contract state

i am trying to execute function that changing the state of the contract, currently i am testing it on my localhost hardhat node. this is my function (in my contract) address owner; string[] ...
omerbar97's user avatar
1 vote
3 answers
209 views

Uniswap app on Sepolia testnet is not loading any tokens

'https://app.uniswap.org/add/ETH?chain=sepolia' is not allowing me to create any new Pools, or 'https://app.uniswap.org/swap' doesn't load up any possible tokens so swap. I am connected with my ...
Tim's user avatar
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0 answers
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Is it possible to know all transactions of buying or selling a certain coin within trading platforms like kucoin ...?

Is it possible to know all transactions of buying or selling a certain coin within trading platforms like kucoin ?
jon's user avatar
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1 vote
2 answers
32 views

Is it possible to create a queue of transasctions?

I am wondering if it is possible to create a queue of transactions. In my case I want to add all incoming transactions to a queue and randomize which ones are completed and which ones are canceled. ...
Stavros Cotsoradis's user avatar
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1 answer
18 views

Users service wallet and gas

I have created a service (.NET) that uses Smartcontract. I chose Infura to work with network infrastructure. Everything works fine... recently it occurred to me that I need to add something like user ...
michal's user avatar
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I can’t buy sell or transfer any coin on eth using my coinbase wallet. Fails instantly , says failed to sign. Same wallets works on Base

I can’t buy sell or transfer any coin on eth chain using my coinbase wallet. Fails instantly , says failed to sign. Same wallets works on Base chain. Have tried uniswap sushiswap MetaMask, sending, ...
Brad's user avatar
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1 vote
1 answer
36 views

How to estimated balance changes by web3.py

I am simulating the information obtained before the interaction between the wallet and the contract in the figure below through web3.py. I want to obtain the Gas fees and benefits before the actual ...
Pearson's user avatar
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1 answer
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I need the address of the oracle service that provides football match results and related pricing information

I am a blockchain developer, and I am currently working on a football betting project. I have completed the development of the relevant contracts on Ethereum. Now, I need an oracle service that ...
jin zhu's user avatar
-1 votes
1 answer
22 views

I updated Solidity to version to 0.6.12. Now the code is broken, how to fix?

How can I fix my code, the chainid is 9999.I tried changing chainId := chainid to chainId := chainid() but it doesn't work. Here is the whole code: pragma solidity 0.6.12; import './interfaces/...
Mr. arikodus's user avatar
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Need Assistance Resolving ds-math-underflow Error in Liquidity Pool Transaction

I'm currently facing an issue while trying to lock my share of the liquidity pool on the blockchain. Despite successful tests in a Hardhat environment, the transaction is reverted when executed on the ...
Yazan Ali's user avatar
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1 answer
28 views

Why is my _transfer function transfering all my tokens to the deadWallet?

I wrote this simple contract that is designed to burn (send to deadAddress) all transfers that in which the sender of the transaction is not the LP address. I provide liqudity on uniswap and then set ...
Stavros Cotsoradis's user avatar
0 votes
1 answer
40 views

Reading Ethereum contract event TypeError: Cannot read properties of undefined (reading 'toHexString')

I have the following js script that i want to use to read events from a smart contract below, but when i run the script I get the following error message TypeError: Cannot read properties of undefined ...
Osemu Aimiosior's user avatar
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0 answers
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Anyone able to guide me [duplicate]

So I was using the website crypto Leo, and deposited $30 worth of ETH but for some reason it’s been sent to an address on etherscan 0x5495dAeE61D2c2143E92ECb2EA395042783cC4cd can anyone advise me what ...
Joseph's user avatar
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0 answers
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Issues Adding Liquidity on Mainnet with a Custom ERC20 Token (It Works Using Hardhat!)

I've developed an ERC20 token using Solidity and have successfully tested its liquidity functions on Hardhat. The process completes successfully in the Hardhat environment, but when I attempt the same ...
Yazan Ali's user avatar
0 votes
0 answers
11 views

Searching for proof-readers: "The Aftermath of the Ethereum Merge"

Dear Ethereum enthusiast, I am currently a Business Engineering student at Ghent University in Belgium. As part of my degree requirements, I am conducting research on the Ethereum Merge for my master’...
Simon Van Erdeghem's user avatar
0 votes
1 answer
15 views

Does Ethereum ever charge an "unusual funds fee" [duplicate]

Trust wallet is telling me I am being charged an unusual funds fee by Ethereum for a mysterious deposit which appeared in my account. I didn't make the deposit.
Sean's user avatar
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27 views

TypeError: isAddressable is not a function

before i start with question i looked at this answers first and second,but nothing helped. I am writhing some unit tests for my smart contracts using hardhat and keep getting error TypeError: ...
gojic's user avatar
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0 answers
336 views

Getting `Connector not connected` error with wagmi

I'm integrating Wagmi into my Next.js application to handle contract simulation in the backend with tRPC. However, I'm encountering an error message stating Connector not connected. I've attempted to ...
Mohit's user avatar
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1 vote
1 answer
25 views

How do I properly call the transferTokens() function?

This first contract creates a liqudity pool for the two tokens on sepolia test net // SPDX-License-Identifier: MIT pragma solidity 0.8.25; // Using npm package imports for a Hardhat or Truffle ...
vectorizedaynon's user avatar
0 votes
1 answer
17 views

How to send a request for eth to a user that they can confirm with their metamask wallet?

I am trying to build a Dapp that relies on this functionality. A user will request another user for some eth, and the sender would then see a pop up notification on their wallet ex Metamask or some ...
bot_one's user avatar
0 votes
2 answers
77 views

What is the best way to monitor all token balances of wallet address?

Context I'm developing a personal project to monitor token balances of all wallet addresses in my service . I can monitor token balances of several addresses by multicall. I designed my workflow of ...
CT95's user avatar
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0 answers
18 views

I want to cash in my 0.0249 ETH but it's saying insufficient funds?

I tried this via Transak on Metamask. Is there some minimum amount so I'm not allowed to get my money out? I hated giving them all my data to set this up too and then it didn't go through. I'm new and ...
Eva's user avatar
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0 answers
24 views

I am experimenting with a contract and creating my own router and running into a verification Issue on EtherScan

hope you all are well. I wanted to see if anyone would be able to help me diagnose what I could possibly be doing wrong. Ive read through numerous posts and it seems many solutions have not yet helped ...
Altcoin View's user avatar
1 vote
1 answer
41 views

My Coinbase Wallet Seedphrase is compromised

An address has taken all my Ether. My problem is that i linked my wallet with a few presale crypto. How do i go about it? How do i link a new wallet with the connected presale cryptos?
Agni's user avatar
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0 votes
1 answer
21 views

How should I handle tax that is less than my denominator?

Hello I am a new solidity dev. In this tax function I am dividing by the simplifed fraction ex(5% =1/20 so I am doing amount/tax rate). My question is since I am deploying on a network with low gas ...
vectorizedaynon's user avatar
0 votes
0 answers
21 views

Stealing funds with batchTransferWithAuthorization(0xcccbb34c) and safeTransferFrom(0x42842e0e)

I had funds stolen from the Arbitrum and Ethereum network the other day using batchTransferWithAuthorization(0xcccbb34c) and safeTransferFrom(0x42842e0e). Is it enough to do a revoke so that the ...
Artem's user avatar
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0 votes
1 answer
30 views

Sent Eth to contract address can I get it back

I sent some Eth to a contract address rather than my wallet. Can someone with some code experience have a look at this contract and let me know if there is a function on here that the Devs could use ...
Fez's user avatar
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0 votes
1 answer
19 views

Converting ETH from Ethereum Wallet to BNB on a (BSC) Wallet

How can I programmatically convert ETH from an Ethereum network wallet to BNB on a Binance Smart Chain (BSC) network wallet?
adam mr's user avatar
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0 votes
0 answers
19 views

How to send entire account balance to another address on Base

The below code is what I used to transfer entire account balance to other address on the ERC20 network and it works fine on it, but not on Base. Maybe it's because Base has different transaction fee ...
Zero's user avatar
  • 103
0 votes
0 answers
60 views

Replacement fee too low, Base Sepolia

This is the code I have for sending a transaction on Base Sepolia. I am using this to split the balance in my account into two halves and sending each half to an address one by one. export async ...
Zero's user avatar
  • 103
0 votes
0 answers
14 views

Solidity Value Assignment

Is there any way to assign a solidity variables value to current ether price and if it changes value will to?
seojunchian's user avatar
1 vote
0 answers
16 views

Need to perform self destruct contract

I have been involved in a scam and need to get my funds transfered to another wallet in my name. I assume there is a contract preventing send capability, so I need someone who knows how to perform a ...
Val's user avatar
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0 votes
1 answer
21 views

Actual Stable STABLECOIN

What is the best way to make a stablecoin which will stay stable irrespective of the market or any other factor? USDT -> Hard to believe someone is storing actual dollars somewhere. DAI -> What ...
Saikat Karmakar's user avatar
0 votes
0 answers
26 views

I imported money into etherscan but it didn’t show my real balance [duplicate]

I’m devastated. I poured over a thousand dollars into eth and decided to invest it in a contract bot. After I moved my money into the bot, it shows that I have successfully transacted the money (0....
Eth bot's user avatar
0 votes
1 answer
20 views

Receive Eth from an EOA and carry out some actions as a result

Is there some way of receiving Eth in a contract from EOAs (say from most of the existing wallets) and carry out actions as a result? I know the basic way of receiving Eth is via the receive function. ...
ThomasS's user avatar
  • 13
0 votes
1 answer
24 views

Forking Swap from bsc on goerli, max input of native token 0

I'm trying to fork cheeseswap from bsc onto goerli. I've also tried to fork another swap from another network onto goerli and have the same issue. I Change all the chainid numbers, rpcs, factory, ...
Bobo From Florida's user avatar
0 votes
0 answers
40 views

Lost funds via phishing/approval. Please help

It appears that ~0.137 ETH was automatically sent from my address to "Fake_Phishing188250" via a "Claim" transaction (...
Paulmuadib's user avatar
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0 answers
42 views

Recover ETH in Smart Contract [duplicate]

I'm reaching out to you because I think I've been scammed. I watched a video (https://www.youtube.com/watch?v=vv5l9VIBF1o) on YouTube that claimed to show how to set up a bot to earn ETH. So, I ...
Robin Borne's user avatar
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0 answers
56 views

No gas for swap in matic

How to swap WETH(POLYGON) or ETH(ETHERIUM) to MATIC with empty balance on polygon (no money for gas in matic). Current gas fee 30 usdt but i need only 0.01 MATIC. Thank you
sara's user avatar
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