Questions tagged [transactions]
The term "transaction" is used in Ethereum to refer to the signed data package that stores a message to be sent from an externally owned account.
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How can I transfer an NFT that is stored on openSea programmatically?
I want to understand, how can I automate sending NFTs from any thirdparty hosts for example, opensea or thirdweb directly to the user who clicks on the claim NFT button on my website? I do not want to ...
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How can this account address selled more erc20 token then it received?
I'm using the Alchemy API to retrieve all transactions for a specific address. When I run the API for this address on this particular token, I only receive two transactions. The first transaction ...
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Can a sandwich attack be designed using 1 flashloans and no outside capital? attacker tx, victim tx, attacker tx bundled with 1 flash loan?
So the question is can you bundle 3 transactions into one transaction where the first transaction borrows using a flash loan executes certain conditions, requires a middle victim transaction be ...
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How do I get more information about a Goerli Testnet transaction that was reverted?
The only information I get from etherscan.io https://goerli.etherscan.io/tx/0xe5d61850c7eb76509d0eaa5ec83e2d67fb43db8ff544f0cfbe184d991dff3617
is "Warning! Error encountered during contract ...
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REWARD!! PLEASE CAN SOMEBODY HELP ME ETH STUCK - I am a newbie trying to create a trading bot. and came across a tutorial, my 1.1eth stuck Metamask! [duplicate]
SORRY ABOUT THE GRAMMAR AND SPELLING I HAVENT SLEPT FOR ALLMOST 2 days BECAUSE OF THIS..
Here is a bit of a back story on why I have become a little desperate lately to find ways to make crypto faster ...
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where does the problem of this transaction come from?
So i've been working on a smart contract and im trying to perform a swap on uniswap using polygon mainnet but im struggling to get it to work, This is the solidity code im using:
// SPDX-License-...
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How to send a transaction request to a Safe Wallet using Safe SDK?
I would like to send a transaction request to Safe Wallet from my CLI tool using Safe SDK. Is it possible to do so in a Node.js environment?
I found this: Programmatically sending a transaction ...
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Coinbase / Web3 - how are they connected? Where is my balance on Web3
I am brand new. I created a Coinbase Account and started investing. I heard someone say something about web3. I don't know what this is, but I think i have money in there. As I'm still waiting to be ...
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Transaction fails due to: Insufficient funds for gas * price + value
I am trying to make transactions on Polygon Mainnet, but unfortunately when I automatically try to calculate the transaction fees, the transaction gets reverted because I assume that the fees are to ...
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How to run a script which requires a private key completely in a browser?
For a non-technical person I need to create a page on my website, in the admin area, in which he'd regularly do stuff that normally is done on local machine only. That is, a person doesn't want to go ...
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Transfer Ownership of a contract from one adress to another problem
I am Digital Desginer and i wanted to sell my Designs as of NFT, so that I found a guy to write me an smart contract on polygon network for me to able to publish my arts on blockchain . so After he ...
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Is it possible to combine signing two cross-chain transactions into one single signing?
Lets say I have a transaction on ETH chain and one on BSC chain, I start the transaction on ETH chain and it asks for my signature. What I want to do is have it just ask for my signature once and have ...
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Do Ethereum 2.0 ( PoS ) transactions still need to confirm a certain number of blocks?
I tried reading some technical articles but didn't find any ideas.
Can anyone tell me or recommend some relevant technical analysis articles?
Thanks alot!
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Replaying transactions in hardhat node forked at earlier block
I am attempting to get the historical state of the chain within a block. That is, it is straightforward to use hardhat to fork at an earlier block but I want to be above to move up an arbitrary number ...
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How to get the amount recieved during swap on Uniswap?
I'm trying to get the amount that I recieved in WETH during swap on Uniswap(can be hardcoded WETH).
On the code below, I took random address that did swap, got his transactions and then decoded it ...
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How Can I Simulate a Live Network Transaction Using Foundry or Hardhat?
I have written code in Rust to do Uniswap V2 swap via the ethers-rs library. This code is not part of a contract but rather a standalone application.
I understand it's possible to test this locally. ...
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USDT Transaction Dropped & Replaced
While trying to send USDT to a wallet address, my transaction got dropped and replaced. I assumed that the transaction would go through if I just wait, but it seems that it got replaced and sent to a ...
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Multiple erc20 tokens approval in one transaction
Is it possible to set approval for multiple different erc20 tokens in one transaction? As for now I have this function but it does not seem to work when tested.
function batchApprove(address ...
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Alchemy API: How to get transaction history including failed and pending transactions for a specific wallet address?
In React I'm building a transaction history screen to list succeeded, failed and pending Polygon transactions. Using alchemy_getAssetTransfers I can retrieve the transaction history for a specific ...
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failed to deploy smart contract on my private network
I created a private network of POA, and I use clef to seal blocks like this:
I have successfully run this chain becaues it can produce blocks and I can create transactions between 2 accounts, and ...
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Why I can't send ether through this code?
I have written the following code for testing.
I can successfully send dummy ERC20 tokens by calling the createSwap function on contract A by whitelisting the contract addresses on goerli
For test ...
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How Can I Filter Ethereum Transactions by Method ID or Name, Similar to Etherscan's Advanced Filter Feature
I am working on a project where I need to retrieve all transactions associated with a specific method within a given block or set of blocks. As an example, Etherscan provides this functionality ...
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Is it possible transaction A get executed while transaction B is in middle of execution in the same block?
Imagine I have deposit function which can receive funds from user and the amount sent will be updated in state based on balanceBefore and balanceAfter of token in the contract:
1: function deposit(...
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Why this transaction has extra characters in input data
In this transactions 0xa70ce6df9c08496dfb14eb9a90aee82a9d93c2a4385c990766ea9d91ed80127c input data is a call of swap function:
0000000000000000000000003208684f96458c540eb08f6f01b9e9afb2b7d4f0
...
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Listening to uniswap for transactions, need to add a nonce filter
I'm here looking to watch Uniswap (or any DEX) transactions and detect whenever an interesting transaction goes through with a newly created wallet nonce = 0, or close to it). How can I add further ...
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How to find the origin of the token/crypto in the wallet?
For example,
Wallet 0x...A1 has 0.5 ETH. I want to know about the origin of 0.5 ETH.
Can I get that data from the Etherscan API (what endpoint?) or another solution?
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Reduce gas price?
I'm working on a sniping bot on uniswap, and i have a little problem : the first ones to buy are those who pay the most. Pretty logical, but I don't really want to pay 300$ in priority gas to be the ...
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Why my test net transactions (created from dart using web3dart) are not getting through?
I have used web3dart to create a few ethereum transactions. All of them are getting stuck in pending.
For example:
https://mumbai.polygonscan.com/tx/...
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Transactions not ordered fairly? (BSC)
If we take a look at the first few transactions block 29930437 on Binance smart chain, there is something very interesting going on, if we compare gas prices:
Tx 0: The first transaction payed ~2132 ...
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external call to non-existing address returns success
I have this simple contracts which forwards the calldata to and external contract:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;
contract AccountTest {
/**
* execute a ...
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I found a transaction that the maxFeePerGas is equal to maxPriorityFeePerGas on Etherscan
I know the maxFeePerGas = baseFeePerGas + maxPriorityFeePerGas in EIP-1559.
But I found this transaction.
https://etherscan.io/tx/0xe753607fff85bb9298b90d4dc3357c92d82add1f9a09b48c348fdd7e97a68cd2
I ...
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'err: insufficient funds for gas * price + value:
I am using sepolia testnet, to make a signed transaction between two accounts locally, below is the code :---
let { Transaction: Tx }= require('ethereumjs-tx');
let {Web3} = require('web3');
const ...
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How to correctly specify maxPriorityFeePerGas?
I am trying to send a transaction quickly by adding a priority fee that is half the base fee with the following logic:
const { baseFeePerGas } = await client.getBlock();
const priorityFee = ...
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contract runner does not support sending transactions
Update (08 July 2023) : From node_modules/ethers/lib.esm/contract/contract.js, I found the error message (the assert part).
const send = async function (...args) {
const runner = contract....
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How can I send transaction in eth2.0
I want to use BLS signature scheme to sign and publish a transaction on a testnet. As far as I know, sepolia is running as PoS now and I guess it uses BLS but I couldn't find any tutorial that uses ...
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What is the data structure that represents message in Ethereum?
In ethereum whitepaper there are separate sections for Transaction and Message contents.
While I am able to find in an implementation a file called "transaction.go" which contains (more or ...
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Modifier will get executed in the EVM or no?
where Modifier executed?
in block 1, for example i want send 10 eth to a contract address. in the modifier i will check that contract address should have 0 eth balance. The check is done at the ...
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Nethereum listen to an event after send transaction
Solidity code for creating a new contract calling createRainfallPolicy:
event PolicyCreated(address _policy, string _insuredId);
function createRainfallPolicy(/*Params*/) public {
RainfallPolicy ...
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Solution to Txn front-running?
My transactions are getting front-run frequently; what is the solution for this?
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How to calculate a tx's effectiveGasPrice within a block?
Let's say I query all transactions within a block. Assuming all transactions are already settled, how can I know what will be their effectiveGasPrice ?
I'm confused that transactions specify a ...
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My coins were sent from my metamask wallet to another wallet without my consent
I just claimed tokens after a presale had ended from the token site to my metamask wallet. That transaction was successful. However, just one minute after that transaction took place, my coins were ...
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Trying to get txn hash
How can I get an Ethereum transaction hash whenever a particular NFT/ERC20 token is transferred? Not sure exactly what process/code is needed to do that.
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Has anyone here used QuickAlerts?
How can I track transactions from and to a wallet address? / How can I track smart contract events in real-time as they happen? Renat Ghoste
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Metamask "Activity" can't list transactions at the recipient side!
I have a private Ethereum network. A block explorer (blockscout) is connected to my miner. The problem is: using Metamask, I can send transactions, which are mined and shown in the block explorer, but ...
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How do I search and audit the transaction logs I submit through QuickNode?
I'm using QuickNode to submit transaction logs, does anybody know how to search and audit these logs? - elchuo160
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How to get transactions from a wallet address?
Is there a way to get all the transactions from a wallet address using ethers.js or viem.sh?
Or are there any third-party libraries that have this functionality?
I'm looking for something along the ...
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EIP-1559 transaction classification on etherscan
I am wondering how I can detect the type of transaction submitted on Ethereum based on EIP-1559 adopted or not.
Thank you
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What fees are incurred when I run smart contract continuously?
I have a question about the ongoing cost of a smart contract.
Imagine a company named Acme Co. Acme Co deploys a smart contract the executes the following logic:
Pay Bob 10 ETH on the first of the ...
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How to get and decode logs of all transactions of a block in web3?
How to get and decode logs of all transactions of a block in web3?
My question is very similar to:
Is there a way to get the logs for all transactions in a block?
But the suggestions were given using ...
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on etherscan Why input Data amount value and ERC-20 tokens Transferred value are different
In this case
https://etherscan.io/tx/0x9412e437f29fa5719de54c5374f0a89fbe78786060db05b2cb9a5ffb189e04d8
Why input Data amount value and ERC-20 tokens Transferred value are different?
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