Questions tagged [go-ethereum]

Go Ethereum (short: Geth) is a Golang implementation of the Ethereum protocol.

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are there other ways to send bundle of transactions without using flashbot?

I am wondering if there are some ways to send bundle of transactions without using flashbot? I am not sure how this area works, would you please give me practical sources to learn ?
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Smart contract deployment pending forever

I have a smart contract that is compiled and deployed using Remix and verified on Sepolia testnet. https://sepolia.etherscan.io/verifyContract-solc?a=0xA3Bc4ac115CF4C57b507797731F43c14Ff6A2A6c&c=...
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Batch NFT mining

I am trying to create a project where users can specify a total supply on a minted NFT, will the NFT all have the same address but with different tokenId's or they will have different addresses
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Can you backup an ethereum node while running?

The question is pretty straightforward. I want to routinely backup the data folders of a an ethereum (geth) node, so that in the event of a disk failure I can recover quickly without having to ...
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GETH - BAD BLOCK : Error: invalid merkle root - Transactions and block stuck in pendings

I'm having problems with geth when I try to send transactions on my private blockchain being developed using Geth. Practically a block is blocked in pending with around twenty transactions inside it ...
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Performance Analysis of Private Ethereum Blockchain using Prometheus and Grafana

I have built a private blockchain network using goEthereum with PoA consensus model using Clique. The nodes are live and connected. I want to measure its performance(Throughput, latency..), using ...
Zero's user avatar
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How to retrieve addresses affected by block?

I need to scan each block and extract addresses affected in the block. The address is affected when funds (ETH, tokens, etc.) are sent to or from the address or involved in any other transaction. As ...
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Running beacon node using prysm

I was running Running beacon node using prysm with the following command: ~/Documents/microverse/BlockChain\ and\ Web3/mynode/sepolia/consensus/prysm/prysm.sh beacon-chain --execution-endpoint=http://...
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Geth node sync even if it is not connected to any other geth node

I created a private network with five nodes. I am using geth and Prysm. When I remove the execution client node(example node5) using admin.removePeer(), the execution node disconnects from the network ...
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Geth+Teku Nodes Randomly Stop Communicating

newbie staker here. I’ve been trying to set up my Geth/Teku nodes for the past week, but I keep running into a persistent issue – After starting both nodes, everything runs well for between 5-30 ...
Onchain Idiot's user avatar
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How to import code into a contract

I have a contract that needs to be compiled with solc so I can get Go bindings. $ tree . ├── openzeppelin ├── Swap.sol └── @uniswap pragma solidity >0.7.0 < 0.9.0; import { IUniswapV2Pair } ...
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k8s vs docker in Geth operation

I'm trying to set up an infrastructure to load balance multiple Ethereum nodes and serve them as a single RPC endpoint. Assuming this configuration, I thought it would be efficient to run multiple ...
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is the impersonation of this function possible?

Vaults[0] is a contract desingned to call this function, so I want to ask areas in which Vault[0] can be impersonated to call this function function mintForCommerce(address _to, uint256 amount)...
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How to run full archive Geth to sync from the beginning?

I've started v1.12.0 Geth with following flags: "--mainnet", "--datadir=/root/.ethereum/mainnet-geth", "--syncmode=full", &...
Ivan Aracki's user avatar
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Do new clients necessarily need to connect to archive nodes?

I understand that when a new client starts syncing the Ethereum blockchain, they have to recreate all previous states for each transaction starting from a particular checkpoint (in geth, this depends ...
Paul Razvan Berg's user avatar
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Logging time when our full node receives data of a new block from Arbitrum feeder

Per the title, I'm looking at logging the time when our full node receives data of a new block from the Arbitrum feeder. I'm using GETH to run our full node. Any idea which file I should be looking at ...
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how to encode transaction input data in Golang?

Heading In the web3j module, the following method can be used to generate input data to send raw transaction by passing the contract function name and parameters. new Function(functionName, ...
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Problem with passing arguments from smart contract to a custom precompile smart contract in geth

I have a smart contract that calls a custom precompile smart contract in geth. My problem is that parameters after the 160th(0xA0) byte from the smart contract are not sent to the precompiled one. I ...
Infra1515's user avatar
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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 ...
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Multiple transactions in one block

There are three wallets A, B, C, wallet B is empty, I send one ether from wallet A to wallet B, and I want to send 1 ether from wallet B to wallet C in the same block, how can I implement this? I know ...
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A node just to act as sync point / checkpoint server

I've created a small private blockchain with 3 full nodes 100% synced (1 Exec, 1 Consensus and 1 Validator each). All are working fast and smooth like a charm. Now I need to keep another nodes just to ...
Magno C's user avatar
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Call to a view function returns an incorrect value

I'm currently developing a private network for a client using geth 1.11.3 and have encountered an unusual behavior. Here is a simple contract: pragma solidity ^0.8.0; contract Test { string public ...
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($10 ETH Bounty) Base Chain - My submitted transaction is always 2 blocks behind the current block

For some reason whenever I submit my transaction it is always included 2 or more blocks behind the current block. There's an address that always has their transaction included in the same block as the ...
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How can I determine which node mined a specific block in Ethereum?

I've amassed a collection of detailed information about various Ethereum nodes, as shown in the example below. Given this data and a particular block (either by its number or hash), how can I identify ...
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switch geth from --syncmode=full to --syncmode=snap

I have a node that has been running with --syncmode full. It's been offline for a month and is now far behind. Can I switch the flag to --syncmode snap to increase the speed of recovery? Is there a ...
ryan's user avatar
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How can I get pending transactions from ethereum mempool faster than others? [duplicate]

everybody. I want to get pending transactions faster than others. I have heard I have to use private light node to do it. Is that right? How can I do that? I can also use infura or alchemy but I think ...
AresColin's user avatar
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I sent eth from binance to friend tech base and it seems I make a mistake [duplicate]

I haven't received the eth I sent from my binance to friend tech base please how do I recover it?
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How do I create polygon based private blockchain like Ethereum using geth?

I have been going through polygon blockchain. I understand that to reduce transaction cost and improve throughput, polygon employs zkrollups. However, I have not found any blogs or documents about ...
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Seeking clarification on transaction nonce [duplicate]

seeking clarification regarding the concept of “nonce.” I’ve noticed that when I send a transaction with a randomly chosen nonce, it generates a hash, but I never seem to receive a transaction receipt....
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I'm running a private Geth PoA chain and my signers are failing to start due to a "gap in the chain between ancients". Is there any help I can get?

So the title doesn't include steps I've tried, given that there are character limits. The long and the short of it is that I'm running a private geth PoA chain and my signers/sealers were getting a ...
This Guy's user avatar
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Ethereum Node, Lighthouse client error

I am synching Ethereum full node (Geth + Lighthouse). I got the following error CRIT Failed to start beacon node reason: Unable to open database: DBError { message: "Error { message: \"...
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Ethereum full nodes Bandwidth usage

I have a query about data transfer(bandwidth) average/approx cost per month ethereum node incurrs after it's been hosted for a year. what could be inbound and outbound data usage?
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How to do a transaction simulation?

Alchemy(https://www.alchemy.com/transaction-simulation), Blocknative(https://www.blocknative.com/simulation-platform), flashbots(eth_callbundle, mev_simbundle), they all have apis to simulate ...
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Consensus and Execution don't sync anymore after restart

After put my private blockchain to run ( from https://docs.prylabs.network/docs/advanced/proof-of-stake-devnet ) I was happy because all was working very fine. But after I stop my 3 containers: The ...
Magno C's user avatar
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Config.yml configuration when creating a PoS private GETH blockchain

I'm creating a private blockchain from here: https://docs.prylabs.network/docs/advanced/proof-of-stake-devnet. The config.yml have this content: CONFIG_NAME: interop PRESET_BASE: interop # Genesis ...
Magno C's user avatar
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Fatal: Failed to write genesis block: can't start clique chain without signers

I am trying to setup a local geth blockchain server but every time I attempt to execute I get the above error. I created the account first with the following command. C:\private_chain>geth --...
Xavier's user avatar
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What are Wei, Gwei and other Ether multipliers [duplicate]

So, when someone sends you 1 Wei, are they sending you the constant "Wei", or 1e-18 Ether? Like what I'm asking is that, Ether, Wei or Gwei, they are constant values, but they are not ...
AndyCrypto's user avatar
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How can I fix 'no matches found: enode` error when setting up private geth nodes?

I'm following along with a tutorial from the geth ethereum.org documentation. The tutorial is describing how to set up a private network of multiple geth nodes. I have run the bootnode -nodekey boot....
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beacon chain cannot sync with geth ethereum and error engine in geth

I had a problem while run Go Ethereum and Prysm. when both are executed, there is an error response on the Prysm beacon-chain and an error on geth ethereum. here is the error, Beacon Chain Geth ...
Ekacitta Wibisono's user avatar
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Front Running scam [duplicate]

Guys thats the code is there not a way to withdraw or do something to the funds that are stuck on the address. I used remix ethereum website pragma solidity ^0.6.6; // Import Libraries Migrator/...
Mehmet Gul's user avatar
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How can I specify the snapshot (block number) in geth snap sync?

As shown in the picture here (https://geth.ethereum.org/docs/fundamentals/sync-modes), snap sync starts from a recent snapshot. I wonder if there is any way for me to specify an earlier snapshot for ...
Justin Zhang's user avatar
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Decentralized E-Authentication System for Student Portal with Ethereum-based Decentralized Identity Management and Access Control

I was given a final year project to build a Decentralized E-Authentication System for Student Portal with Ethereum-based Decentralized Identity Management and Access Control. I'm new to web3, please ...
Damzy0147's user avatar
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ethereum world state size analysis

i am currently researching on the ethereum world state and i need updatad data of space that world state takes up in the storage. the latest data that i found is https://blog.bitmex.com/bitcoin-vs-...
Sepehr Mirnasrollahi's user avatar
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How to persist data (the chain itself) in a Docker private blockchain?

I'm creating a Docker private blockcain from here: https://medium.com/scb-digital/running-a-private-ethereum-blockchain-using-docker-589c8e6a4fe8 But I'm afraid to lost all my data if I need to delete/...
Magno C's user avatar
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How to submit a new block to the relay?

I guess this question might be a bit elementary, I have EL and CL installed and running on my computer(geth and Prysm), and am currently synchronizing data from chain, now I am having some confusion, ...
user2873314's user avatar
1 vote
2 answers
81 views

How to analyze a tx data?

Given a transaction of type types.Transaction (golang go-ethereum), how can I analyze the data field and check if it has a swap or a sync event? I know that ...
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using geth attach local node and call rpc api. why the output omitted some complex content?

I implemented a custom RPC api, it will return nested structs, but I called it in geth console, I found there's a "..." displayed (some content is omitted), I want to know how to print the ...
Joey's user avatar
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I have a question about running an Ethereum GETH client node

If a specific node uses a version of the GETH client where it doesn't check for the users Ether balance when sending Ether, what happens? Would the node just accept a transaction where the user doesn'...
AndyCrypto's user avatar
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Live Price monitor

How does dexscreener or dextools websites keep up with the price changes efficiently on thousands of tokens? Can anyone provide a sample code for that? if not, then a roadmap of steps to be taken, ...
Melardev's user avatar
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Slow on transaction call from script in ethers.js

I'm using Base chain. however, I see that when i do execute transaction with contract by script (contract.method() -> tx.wait()) it takes too long time. Anyone know why? Because I do send eth by ...
dang.pm.IT's user avatar