Questions tagged [pending-transactions]

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What is the recommended replacement of the js option of the geth?

We were using the js together with a --preload to run geth in a private network using docker. The main use-case was to mine blocks only when a transaction exists (Similar to this How to make miner to ...
0 votes
1 answer
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Contract deployment on Polygon mainnet being stuck

So I've been trying to deploy the simplest contract on Polygon mainnet for hours now with no luck. The transaction is stuck on pending. I tried with many different contracts and I tried changing the ...
1 vote
0 answers
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How many dependent transactions will Infura accept?

How can I reliably send many TXs simultaneously on mainnet with Infura? I'm trying to send a lot of TXs at once (like one hundred). I've been able to do this on Goerli (getting in 120+ TXs in one ...
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1 answer
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Transaction going to pending state

I have a private protected Quorum Blockchain network instance: Geth/v1.8.18-stable(quorum-v2.4.0)/linux-amd64/go1.11.2 coinbase: 0x365...63c7ced at block: 175 (Fri, 06 Jan 2023 12:47:38 IST) datadir: /...
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Explain the processing of a multi-part transaction

Let's say I call a function that has multiple actions (call another contract, transfer some coins, increment a local value). Now let's say that I send these actions as 3 transactions separately to a ...
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2 answers
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I'm trying to create a bot that can copy-trade wallets on Ethereum. Im a bit confused on something

So say I want to copy this transaction: https://etherscan.io/tx/0xf4cf0c28c014dd54bd1453b0a92514111ffce2f5584d47beabbc6db2253597fd This transaction uses the method "swap tokens for exact tokens&...
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pending trasaction - get pending time

I'm listening to pending transactions using ethers.js like this: providerWS.on("pending", (tx) => { console.log("receiving pending tx:", tx); } Sometimes I'm getting trasactions ...
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Getting a transaction in the same block as a detected transaction [Web3.py]

I'm working on a python project that detects the function addLiquidityETH being called and then executes a transaction on the same block. I've currently got the detector working for the function being ...
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2 votes
0 answers
297 views

Getting ALL pending tx from txPool

I'm working on top of geth in golang. My first goal would be to stream all pending transactions from the txPool. The problem is that when I run my script, I can't manage to catch 100% of pending ...
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2 answers
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Gas settings when sending a tx

I currently have several txs stuck on Pending even after passing them 100 gwei of gasPrice while current baseFee is 0.000001086 gwei (on Goerli and using ethers.js). const ops = { gasLimit: ethers....
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1 answer
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ethers.js - How to confirm if transaction has been mined successfully or not?

I have a script which calls a smart contract method swapExactinputSingle(amtIn). I want to make sure that once this particular method call is successful, then only the code lines to print updated ...
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Contract Deploy is Pending and Set Max amount of NFT per wallet

I am testing my first smart contract and minting NFTs. I would like to set a number of MAX NFTs that can be minted per Wallet. When removing the comments from the function mapping and the related ...
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How to check if my wallet has no pending Tx before creating a new Tx?

Can you help me to defined the fastest way to check if my wallet has no pending Tx before creating another Tx ? I created this function but I'm sure there is a better way... It compares current nonce ...
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0 answers
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Private POA network not propagating submitted transaction

Have setup a 4 node POA (clique) private network using docker (ethereum/client-go:alltools-v1.10.25) with 4 nodes A, B, C, and D with their own datadir respectively. Node A is the sealer. All the ...
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1 answer
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Why does my Remix crashes and the transaction keeps on pending

So Hi, I have been coming back to SC programming and I tried to create this smart contract that crashes the remix VM. I do not know what error is causing it and curious to understand it from a low ...
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3 votes
2 answers
917 views

Pending Transaction on Goerli

I've started the Ethernaut challenge. I have a problem with forever pending transaction on Goerli, here is the link : https://goerli.etherscan.io/tx/...
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1 answer
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Connect different wallets same time and make transaction [duplicate]

actually i want to do this on bnb chain, the thing is that I have multiple wallets in the bnb chain and so I want to use a claim option and claim the token from multiple wallets, so I want to know is ...
0 votes
2 answers
109 views

How to wait for transaction to be mined in web3dart?

I'm bulding a Dapp. My Dapp interact with erc20 tokens and erc20 tokens must be approved first. But how i can wait for the approve txn to be mined and success before doing other txn like transfer... ...
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1 vote
1 answer
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hacking by sending transaction to self

So I was coding like normal and accidentally pushed the .env file which contains my wallet private key onto a public GitHub repo. It looks like there are bots watching the commits and someone operated ...
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0 answers
111 views

Best Way to Read Pending Transactions of Uniswap on Ethereum 2.0 Blockchain

I am new to Ethereum2.0. I am trying to find a way to read transactions to Uniswap Pools. I looked at Alchemy, it seems they only allow subscribing pending transactions of one address. So, I am ...
2 votes
1 answer
46 views

Broadcasting a transaction to be included in the next block

Since the merge we have predictable block times of around 12-13 seconds. I want to broadcast my transaction in a way that it is highly likely to get included in the next mined block, e.g. the block ...
0 votes
1 answer
54 views

Transaction on etherscan vanished

Anyway i saw my transaction of eth on etherscan, thought looking good. so put laptop away for 10 minutes and waited for it to clear into my Metamask. After just 10 a 20 minutes went back and saw that ...
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1 vote
0 answers
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How to evaluate pending transactions which will be executed

When subscribing to the Ethereum mempool I receive all transactions that are pending within the network. I would like to understand how I would be able to evaluate whether a transaction will be mined, ...
0 votes
1 answer
131 views

Faced a problem whiling getting Ethereum transactions which are in mempool

I am trying to get mempool transactions ASAP. My purpose is to get the pending transactions on Uniswapv2 router before the transaction is confirmed. I tried several providers from Quicknode, Alchemy, ...
1 vote
0 answers
113 views

pending transaction doesnt exist on bsc fullnode

I am trying to get pending transactions via the full node in the binance smart chain. My command to run geth is : ./geth --config ./config.toml --datadir ./node --cache 18000 --rpc.allow-...
1 vote
1 answer
123 views

Wait for incoming ethereum transactions and credit them after n confirmations

I'm trying to create a website where users can deposit ethereum. For my server I'm using node.js and express.js. I looked into web3.js but the docs are unclear to me and I don't know which functions ...
0 votes
1 answer
30 views

Which transaction will be prioritised: send or send by approved

Let’s say my address is X and I have 10 USDT there. Address Y is approved spender of wallet X USDT funds, meaning that address Y can send USDT from address X. Address Z and W are some other addresses. ...
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Are 'suspended' transactions even possible?

newbie here, toying with the idea of some gambling game, nft-based. Suppose I want users to gamble on their own NFTs. Obviously I want the actual transaction to occur only if the player loses. I guess ...
0 votes
1 answer
91 views

Can Uniswap swapExactETHForTokens amountOutMin function accept 0?

Here is a result I received from scraping pending ETH transactions: Transaction hash: 0x9e0e02546b56a7ae81803627d0e4124171970d7a1c2da4b2c68022aedd9da6c4 {"method":"swapExactETHForTokens&...
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164 views

Get pending transaction in Golang?

I know how to get pending transaction, from Mempool that is, in JS/NodeJs. I want to do the same thing in Golang, though. How to do it? I haven't found any example.
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1 vote
1 answer
238 views

Making sense of a decoded transaction on Uniswap V2/3

I've subscribed to pending transactions of Uniswap V2 and V3 and am inspecting them, by decoding input of the transactions. I'm getting data as follows: //1 data: { method: 'swapExactETHForTokens', ...
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1 vote
1 answer
107 views

function call gives me "pending.."

I have a problem with a function in a lottery contract. given that library for pseudorandom: library Random { /* * @dev startingValue is inclusive, endingValue is inclusive * naive implementation! ...
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0 answers
73 views

How to exctract/quiery information about "amounts" in pending tx which is sent to Uniswap?

I have a simple JS script. I'm looking at the pending transactions in the Mempool, and only at the ones which are sent to Uniswap router. Namely, each of them has tx.to == $UniswapRouterAddr How can I ...
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0 answers
26 views

Lost transactions on private chain (geth)

I had a private chain forked from geth 1.10 with minor changes. It has been running for 2 years now. But now suddenly I am seeing lots of lots transactions (like 40 in 500 getting confirmed). I can ...
0 votes
1 answer
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How can a miner pack more transaction in one block?

Other than lowering the gas price and increase the gas limit, is there any simple configuration change to ensure the miner increase as many transactions as possible until the block is almost full?
2 votes
1 answer
119 views

Transaction on Uniswap -- how to find out what pair is being swapped (via web3.js)?

Given a transaction on Uniswap, how to find out what pair is being swapped, and the amount of it? Namely, via web3.js/ethers.js Is there relevant and sufficient information in the fields of a ...
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0 answers
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What's "Transaction Action"? Is there a way to query it via web3.js/ethers.js?

What's "Transaction Action"? Is there a way to query it? Especially for a pending tx.
0 votes
1 answer
306 views

In Mempool, how to identify whether it's a "buy" or "sell" tx on Uniswap?

When looking at the pending transactions, in Mempool that is, and the ones that have to do with Uniswap (to == Uniswap router address), how can it be identified whether a certain tx is a "buy&...
0 votes
1 answer
485 views

How long before transaction is removed from the Mempool

So I have a transaction T1 that has been stuck in pending because I put the gas really low. I forgot about this and then tried to process two transactions after with $126 gas fee and $111 gas fee. I ...
2 votes
3 answers
639 views

How to simulate a transaction before sending it

Miners will include the transactions into block and those will change the state of a lot of variables including the balances of accounts. I wanted to do it in my local node before sending transaction! ...
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0 answers
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pendingTransactions not working properly on BSC

Using Web3.js to subscribe pendingTransactions events from local go-ethereum nodes, works correctly on Ethereum and Polygon, but not so on BSC. web3.eth.subscribe('pendingTransactions', (error, header)...
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0 answers
313 views

Get details of pending transaction using tx hash

I'm trying to get the details of pending transaction using it's txhash. I tried using web3.eth.getTransaction(transactionHash) but it seems like it returns null for pending transactions but works fine ...
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0 answers
154 views

"subscription queue overflow" Error after a few minutes of being subscribed to newPendingTransactions

I'm fairly new to both Go and GETH. I've been trying to get a simple pending transaction watcher going and it works okay for a few minutes but after that, it gets stuck and I get hit with a ...
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0 votes
1 answer
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Is it possible to check when a transaction has been sent?

Is it? I don't mean the date-time of the 1 confirmation, but when a person has actually submitted a transaction to the blockchain or rather the transaction pool? Or is it the case that the date-time ...
0 votes
0 answers
89 views

Concurrent send of transaction from single address

I am trying to figure out what the throughput is of sending multiple streams of transactions from a single wallet address. Assuming that that nonce management is properly configured how many ...
0 votes
1 answer
152 views

Speed up Frontrun Bot

I've made a frontrun bot for the Binance Smart Chain. It's working fine, but just for 50% of all transactions.. In the other 50% the is missing the transaction by 1 block.. Example is below My ...
0 votes
1 answer
275 views

How to make Frontrun bot faster

Do you have any tips? I want to make sure, that my transaction will be placed in the block of the transaction to frontrun
0 votes
0 answers
1k views

How can I get pending transaction of contract address using web3.py?

I want to get pending transaction of a contract address, I have tried many ways but didn't work method 1: this seems to be good at sorting pending transaction but I can't get any transaction from my ...
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0 votes
1 answer
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Does the age/timestamp of a transaction matter to a miner?

Up to now I know that miners choose transactions to be included in a block only based on their related transaction fees. Does the age (i.e. timestamp) of a transaction play any role in the priority ...
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How to find a Pending txn with a lower account nonce

For example I have this transaction https://etherscan.io/tx/0xe76ff4f05f32f077098f671c362a32b0650a9d1d12aaa8069fa39e0726c1ecf4 which is pending because there are lower nonce transactions which were ...
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