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 to monitor transactions from both eth and erc-20 tokens?
So far, I already could get event logs from contract address(erc-20) by this function:
sub, err := client.SubscribeFilterLogs(context.Background(), query, logs)
What I want: eth transaction logs
(...
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web3 get_transaction get_transaction_receipt how to see the error-Message for a failed transaction
I am using the web3-implementation from python (web3.py) and use the both methods get_transaction and get_transaction_receipt to lookup failed transactions. If the status-field from ...
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1answer
17 views
If you are a miner can you accept your own transactions at no cost?
Let us say I am a miner. Can I accept my transactions into the blockchain at no fee to myself? And what do I lose?
Let us assume someone is running a dapp. Can they mine transactions of that dapp to ...
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Serious question, I sent BNB from Metamask's Binance Smart Chain to Binance's ERC20 address? Never arrived [closed]
I had 7.4 BNB in Metamask using the Binance Smart Chain Mainnet tab and I clicked “send” to deposit all 7.4 into the ERC20 wallet address on Binance.us. I should include that in the transaction ...
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Can't manage to send transactions on following block
I have a web socket subscription to binance smart chain, which triggers an event every time a new block is issued. Once a new block number n is issued, I send a transaction and expect it to be mined ...
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1answer
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Please help! USDT stuck in limbo in etherium network because of low gas fees
I withdrew 720 tether(USDT) from coinbase wallet to Exodus wallet and I was logged out of the coinbase wallet I withdrew the money from and don’t have the seed for it . It’s been pending for a week ...
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1answer
38 views
Uniswap/Pancakeswap SWAP swapExactTokensForTokens / swapExactETHForTokens FAILED (Sniping Bot)
I'm a beginner and for the past few days I have tried to recreate this tutorial:
https://www.youtube.com/watch?v=a5at-FEyITQ
At first I tried to implement it on PancakeSwap, but got a Transaction ...
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Stuck ERC-20 Transaction - reversal did not work
I tried two days ago to send some BAT and ETH to my Coinbase account from my Klever Wallet (which, after this, I will never use again - they seem to be living in 2015 with the gwei fees they charged).
...
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How to recover ether from failed reverted transaction? [closed]
I did a swap on uniswap and I lost my ether. The transaction failed. How do I recover my ether?
Why does the transaction fails?
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2answers
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How Ethereum take fees in broadcast?
Can I broadcast someone else signed transaction and use fee from my address? if yes then how?
Let me elaborate my Question Suppose person A want to transfer some ERC tokens to person B. But person A ...
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Are binance ERC20 token transactions not on the ethereum blockchain?
I'm using web3js get transaction info on a specific ETH address. When I make the getTransactions call, no info is presented. I then check etherscan and also see that my binance ETH wallet (for ...
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2answers
32 views
Call state modifying function in view function
Is it somehow possible to do something like this?
contract Test {
function test (bool isTransaction) public view {
if (isTransaction) {
foo();
}
...
}
...
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1answer
12 views
How to interpret the “Gas Limit” column on etherscan's internal txns view?
Here's a Kovan transaction I'm trying to optimize:
https://kovan.etherscan.io/tx/0xdbe1d6369f80d0672c90eabefccc6ca972e13f921ac83c8cc28cb310f2837a0a#internal
I've noticed that the "Internal Txns&...
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1answer
31 views
i stupidily wrapped my ether to weth from metamask using uniswap,
I stupidly wrapped my ether to WETH from MetaMask using Uniswap. I then used https://relay.radar.tech/ to unwrap it but its taking so long. Here is the transaction hash
...
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Issue with a transaction
I am parsing the blockchain via Go and I am facing a questionable issue.
Although the transactions are passing all the tests, meaning that I am getting most of the fields, there was a contract that ...
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2answers
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How to send Ethereum to smart contract address without using keyword “payable”?
I have tried to send Ethereum from my wallet to the smart contract address by using the below code:
pragma solidity >=0.6.10;
contract NoUsePayable {
function getBalance() public view returns (...
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0answers
22 views
Retrieving the sender of a transaction
I am trying to retrieve the sender address within a transaction in Go and I am facing some issues.
As I understand, in order to retrieve the sender of a transaction, you can either try to get the ...
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0answers
15 views
Parity light node does not broadcast transactions for 4 hours
I have been running parity light node for a while. And recently, when I send ETH or any token using rpc method sendTransaction, my parity node does not broadcast those transactions over the network. ...
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2answers
38 views
Getting accounts involved in internal transactions
I'm analyzing interactions between accounts in Ethereum. I started by external transactions (sent from accounts), but wanted to extend the analysis to external ones (resulting from smart contract ...
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2answers
107 views
Commit-Reveal contract still vulnerable to front running. How can it be improved?
I'm writing a contract and I want to shield it from front-running as best as it can possible be done (obviously, fully preventing front running would be ideal). My implementation is very similar to ...
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1answer
9 views
Unclear description on Etherscan
On Etherscan, when I hover over the "?" on the "From" field I see the following:
The sending party of the transaction (could be from a contract address).
I don't understand. I ...
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2answers
36 views
Wallet providing seed money of an Ethereum address cannot be viewed on etherscan
On etherscan, what can be said about an Ethereum address that starts with a non-zero opening balance? we would expect there to always be a blockchain trail for all transactions.
For example, at this ...
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0answers
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ETH token transfer Fail and error is: Warning! Error encountered during contract execution [Bad instruction]
sometimes I am encountering a problem where I am trying to send tokens (USDT in this particular case) to other address and the transaction fails, because of "Warning! Error encountered during ...
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1answer
27 views
How long does it take to validate transactions?
It seems to be a common sense that validation process on the blockchain is very fast. I wonder how fast the process could be? How long does it usually take to validate a transaction? What will be done ...
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Start multiple miners in GETH
Currently I have only one miners performing in my private network setup with GETH.
I am trying to process multiple transactions at a same time. This keeps throwing an issue as
Returned error: ...
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22 views
What are incoming transactions to Binance
The Binance addresses and most other centralised exchanges exhibit a clear transaction pattern: All of the incoming transactions are from arbitrary EOAs and transfer Ether with them.
Does anybody know ...
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0answers
27 views
Transaction not being mined within 750 seconds
On the main net, after getting the error from the title, by making sure it's not in pending pool, how long should I wait until I can safely retry a transaction?
Thanks
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2answers
38 views
error: replacement transaction underpriced - Nonce increment? how? Atomic transaction?
trying to send 2 transactions through infura to ropsten smart contract, but got the error: "replacement transaction underpriced". For my understanding its a Nonce increment problem...tried ...
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1answer
30 views
What time Ethereum gas fee is calculated?
When is Ethereum gas fee calculated during execution of contract. I was wondering if i take out flash loan and if the trade happened to be profitable, will the profit be able to offset transaction ...
0
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1answer
64 views
Does anyone know what does - Fail with error 'ERR_LIMIT_OUT' mean?
https://etherscan.io/tx/0xca244550d8d582d4e77466bc6ef3b9b9a033697ecc71f86c28745e74da354c9c
Does anyone know what does - Fail with error 'ERR_LIMIT_OUT' mean?
Thank you!
3
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0answers
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EOA to EOA transaction: only data, no ether
It is my understanding that it is possible to create a transaction to send just data from an EOA to another EOA (no ether). In this case the data is completely ignored by the Ethereum network and if I ...
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1answer
21 views
How can I invoke an approve() function call from the user and not the contract?
I am working on a basic staking platform for practice. I understand that the user of the platform has to call the approve() function and pass the contract into it in order for the contract to use the ...
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30 views
How to understand uniswaps events?
I could not find any explanation about this so I'm reverse engineering it, the 3rd tx is the most interesting,
If you look at this transaction https://etherscan.io/tx/...
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1answer
25 views
Simple way to send gasless Transactions
I was wondering if there is a way for a user to pay transaction fees for another user, meaning user A sign the transaction and user B send it to the network and pays the gas fees.
I found a solution ...
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1answer
26 views
How to read uniswap TX input to find out what swap was made?
Look at this tx : https://etherscan.io/tx/0x9854f2249f86802cb0edcff0aa6747de6c49d89b0ba0dc2038b00372b949356b
it says 0.3RTH send to uniswap and 6,447.815435380239985848 L3P got from uniswap.
However ...
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MetaMask: ALERT: Transaction Error. Exception thrown in contract code
I'm working with ganache, drizzle and Vue on a decentralized app.
I have a simple contract IPFSStore which contains the following function:
function changeStatus(address owner, string memory ...
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1answer
126 views
Understanding Binance withdrawal fees measured in ERC20/transmitted via the ERC20 network
Let's say I'd like to withdraw 1inch from Binance to any sort of crypto wallet.
On the Binance fee schedule webpage one finds the following (column names above, screenshot of fees below):
Coin/Token | ...
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2answers
18 views
How come this ETH wallet has transactions but 0 in fees?
This might be a stupid question but as far as I knew as soon as you send a transaction on ethereum you pay a transaction fee. However this wallet has a total of 1,388,802 transactions but 0 in fees.
...
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1answer
27 views
Get to and from address using Transaction hash
How can I get only to and from addresses from a transaction Hash using Web3.
I am unable to get details of to and from using web3.eth.getTransaction() method. Please help!!
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1answer
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Seeking clarification on transaction nonce vs. block validation nonce
Apologies if this question is basic.
I seek clarification regarding the following paragraph in the ETH design rationale:
One weakness of the account paradigm is that in order to prevent replay ...
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1answer
18 views
Is there any crypto that are directly linked (pegged) to a real physical commodity like gold?
Is there any crypto that are directly linked (pegged) to a real physical commodity like gold. Actual commodity held in actual real world storage somewhere.
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Need help identifying where coin transfer is and how to get it back [duplicate]
I Transferred some ENJ coins from my DeFI wallet to what I thought was my Trading account wallet. Long story short the address it I was sent too was off by one number. About 3/4 of the way into the ...
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0answers
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Details of transactions of ERC20 tokens with special fees
Some ERC20 tokens have special rules that affect transactions like:
burning certain % of every transaction,
taxing some % of every transaction and redistributing it back to all token holders or ...
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vote
1answer
35 views
How do I find the transaction success from a receipt?
Here is an example of a sucess:
{
"hash": "0x17e0b789c7645eef46316d475419c02391181881f70eb0451bb13c29a2dd5133",
"nonce": "0x14d",
"blockHash": &...
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2answers
268 views
Why are gas fees taken for failed smart contract interactions?
When claiming an NFT (smart contract interaction), the gas fees would have been $50-$80, so I went to Advanced options in MetaMask, and turned down my willingness to pay for gas to around 25,000 units ...
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1answer
29 views
BUYING BUNNY WITH ETH… Etherscan showing “dropped?” Don't know what to do
To preface, I'm crypto dumb except for buying /selling BTC. I don't mess with Alt coins much... and this issue is why!!!! HELP!!!
So I tried to acquire some BUNNY with ETH on Uniswap. I checked it ...
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1answer
20 views
Why is the math code causing transactions to fail
Ok so This is my first time working on solidity contracts and I'm at a loss how to debug this code.
This code fails:
function claimReturns(address claimant) private {
uint otherTotals = ...
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1answer
24 views
What is the difference between the “legitimately remaining gas” and the “total gas that remains”?
So, first we're told that g' is the "legitimately" remaining gas. But then we're told that g*, where g* >= g', is "the total gas that remains". If g' is the remaining gas, how ...
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2answers
96 views
Will a transaction that depends on another transaction be included in the same block by a miner?
Consider two transactions, A and B. A is valid given the state of the blockchain as of the last block. B is currently invalid, but becomes valid once A takes effect. A and B are from the same caller ...
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About ethereum transaction hash & ECDSA hash function
I have some questions.
First, I can find a transaction hash on the etherscan website. https://etherscan.io/
I want to know the content about transaction hash, that is, transaction hash=hash(content).
...
