Questions tagged [go-ethereum]
Go Ethereum (short: Geth) is a Golang implementation of the Ethereum protocol.
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What is the importance of `message Hash` generated from signing using private key
when we are signing a message using our private key what's the use case of the message hash ?
Take the example from the eth_accounts module from python.
>>> msg = "I♥SF"
>>>...
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How can I fetch the current dollar price of BNB in a Solidity smart contract?
How can I fetch the current dollar price of BNB in a Solidity smart contract? Are there any recommended APIs or secure, decentralized methodologies for this?Is there a way to fetch the dollar price ...
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Simpler way of removing bad peers in go-ethereum?
I daily have to remove 5-15 peers that's constantly delivering stale data. I have to manually remove them with admin.removepeer() by using their enode address. Unfortunately, the go-ethereum logs only ...
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Object has no member 'call' when reading smart contract in geth console
I'm following the Storage contract example from the Geth site (https://geth.ethereum.org/docs/interacting-with-geth/javascript-console-contracts)
I am unable to call a 'retrieve' function on the ...
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Are there any Go-ethereum forks supporting segwit?
My goal is to create a new token with a different signature algorithm to secp256k1. I would like to use the Go-Ethereum codebase as a starting point.
Segwit is a hard requirement for this idea to work ...
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Error (9322): No matching declaration found after argument-dependent lookup
Here is the file which i try to run test through foundry.
//Imports
import "forge-std/Test.sol";
import {Portal} from "../src/Portal.sol";
import {IERC20} from "@openzeppelin/...
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Geth Light Node: RPC connection read error err=EOF
I'm trying to implement a Light Node on a RPi4B, but I keep getting the following error, which is logged nonstop:
nov 16 21:21:09 Bumblebee geth[1066]: DEBUG[11-16|21:21:09.477] RPC
connection read ...
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API to get MEV reward recipient from Beacon Chain
Is there any API which I can reliably use to get the MEV reward recipient and block reward for a particular block number as shown on the beacon chain page?
I can use the flashbots relay API but this ...
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geth mainnet peer connection fails
OS: Linux
Geth Version: Version: 1.13.5-stable
I set bootnodes and started geth, but the peer count did not increase.
Adding it using admin.addPeer did not improve it.
When I looked at the log, it was ...
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execution reverted despite not writing to the blockchain
I am attempting to read the value of a token on a DEX. When I run the code I get execution reverted despite not writing to the blockchain. Code is reproducible with your own Infura api key.
Any ideas ...
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Geth debug_traceCall logs parsing
So I have a geth client with debug api enabled, I use it with debug_traceCall in order to trace a call. I want to parse generated event logs from the traceCall (without using custom js parser in the ...
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Ethereum network on TCP vs QUIC protocol (UDP-based) on data transferring
I'm new to the Geth p2p network (devp2p). Devp2p uses both TCP and UDP to run it's networking protocol. The TCP is for the data transferring between each node and the UDP is for nodes discovery. I ...
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Geth transactions not broadcast and stuck in pending state
Setup three Geth private network nodes(Clique) via docker container. They are deployed on three different VMs. Among 3 nodes, there is a miner node to mine the block, a RPC node to accept RPC request, ...
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How to discover enode addresses on local network (in private test network)
how i can broadcast a enode address to another physical machine on the same network, in geth
take for example, this as my enode address:
"enode://...
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Tool for finding from which block Geth is in archive mode?
e.g. I can run geth in archive mode after the 17.000.000 block. I know I can find a wallet address and run getStorageAt manually on multiple blocks to find if my node was archive or not.
But is there ...
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Verify signature result return 0x
The return signature result from signMessage method obtained is 0x. How do we handle 0x signer result from frontend?
const signer = new ethers.providers.Web3Provider(provider).getSigner();
try {
...
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GETH node in snap syncmode transaction receipts are missing until block ~5265000
I'm running GETH in syncmode=snap with the latest image ethereum/client-go:latest.
Parameters: --http --http.port=8545 --http.addr=0.0.0.0 --http.vhosts="" --http.api=eth,debug,net,txpool --...
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Storage layout key-value pair generation for pre-deployment of smart contract
Could anybody please let me know how do we generate key-value pair for smart contract pre-deployment purpose.
I knows about the storage slot and its value assignment but I would like to know how to ...
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Geth Archiver node configuration
I am interested in running a Geth archiver node and I noticed in the offical documentation that in order to do that states:
Archive nodes are created by configuring Geth's garbage collection so that ...
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web3.exceptions.BadFunctionCallOutput: Could not transact with/call contract function
I deployed simple helloworld code and want to call contract function. It must return "Hello World!"
My contract is
pragma solidity >=0.5.16;
contract HelloWorld {
...
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How to check if a certain hard fork is enabled in your network?
We are running a private PoW (Proof of Work) network on geth
I would like to know, how can i determine if a certain hard fork is enabled on my network ?
For instance, how will i check if the London ...
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Is Geth safe to install?
I was wondering is Geth is safe to install, after I am unable to verify the PGP signatures of the developers.
I import the PGP keys into my keyring on my PC, but when I proceed to check the signature ...
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cannot use array as type ptr as argument
I am using Go-Ethereum and I have the following error:
abi: cannot use array as type ptr as argument
But it does not make any since I don't pass an array.
The arguments to routerABI.Pack function ...
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How to get internal transactions when simulate transactions?
My node is built using flashbots' mev-geth, which provides the eth_callBundle RPC to simulate a bundle transaction (go-ethereum only provides the eth_call RPC, which simulates a single transaction), ...
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What's difference between filter for hashes and filter for full transactions?
I'am trying to understand the main difference between a filter for hashes and a filter for full transactions. Can anyone explain me this please?
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Does geth or parity in development chain mode support methods like hardhat_setSorageAt or is there a way to manipulate EOA?
I wan’t to create more sustainable test network for my develop project. Hardhat node gets slowed down with the time and even crashes.
I am wondering is there a modified geth rpc client supporting some ...
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Cannot send transaction to smart contract, 'unknown account' even with account added to wallet
I am trying to send a transaction that updates the state of a smart contract. I have locally deployed a ethereum network using Geth and three VM.
Here is my JS code:
import { Web3 } from 'web3';
...
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Pool Prices Not Updating in Forked Hardhat Mainnet
Why do pool prices remain static in my forked Hardhat mainnet environment during swaps? What steps can I take to troubleshoot and ensure that pool prices accurately reflect the expected changes in ...
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local initialization
I was working in this solidity code. here is the code sample from my project
interface customeInterface {
function token0() external view returns (address);
function token1() external view ...
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can eth_call simulate approve and transfer?
I have a solidity contract that contains a logic to approve and transfer balance, swap and flashloan. But when i use eth_call to call my function that perform swap, it reverts.
I tried by ...
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how can i decode this transactions and see what it contain?
I'm interested in decoding the information within this transaction, which can be found at the following link:
https://etherscan.io/tx/0x1013929251687ff7f6a7e2e0c7e3caae6fd93a2342dd5ad9793ff33c5802269f
...
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Requirement for running node on etherum
i'm planning to run a node to do some works for learning such as snipping token, decode transaction from mempool in real-time which low latency?
I just wonder which configuration that i need to do ...
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Which consensus algorithm PoW or POS is used for mining a block in latest ganache ethereum client?
Which consensus algorithm have been used in the latest version of ganache for ethereum blockchain simulation.
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Generating Ethereum Address from Mnemonic Seed Phrase in Java
I hope you're doing well. I have a question related to Ethereum address generation in Java. I'm currently working on a project and I need to generate an Ethereum address using a mnemonic seed phrase. ...
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Securing Access to User Balances in Ethereum Smart Contract
I'm working on a Mobile app where users sign up, and they are assigned public and private keys. However, these keys are never actually shared with the users but are stored in the database. I want to ...
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can eth_call() make this?
I have a contract and inside the contract there is a non-payable function that can call externally. this function do some analysis,and calls other payable function than can make real transaction using ...
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How to trace transactions without sending them to the network?
I have made several transactions and would like to test/trace them without waiting for the miner to generate a block. And without even sending them to the network without testing. How can this be do ...
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How to run a PoS private network with geth & lighthouse?
So far for testing contracts, transactions and other dApp experiments
I had worked with pre-established testnets (Rinkeby, Goerli etc)
now i am tasked with deploying a private PoS network based on ...
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How to make contract transactions with Web3.py
I am getting error while deploying smart contracts with web3.py. The error says "web3.exceptions.ContractLogicError: execution reverted: VM Exception while processing transaction: invalid opcode&...
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No commission comes from buying and selling on the Goerli network
Deployed the contract on the Goerli testnet via Remix. Added liquidity with the openTrading function. I buy tokens from another wallet through Uniswap, the purchase is successful, but the commission ...
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Sign_transaction and send_raw_transaction error in Web3.py
I would like to sign_transaction and send raw transaction with custom transaction fields. But I could not do it. Any help will be appreciated.
Thanks
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depolying system contracts for new evm blockchain
i was trying to fork a dpos evm blockchain , how to deploy system contracts for dpos and slash and get the "code" data in genesis file as below ?
"alloc": {
"...
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Good extensions for both Foundry & Hardhat
Hello i'am looking for good vscode extension for both foundry & hardhat. Thank you for your feedback !
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Getting `Fatal: Option "nodekey": invalid character '"' at end of key file` when trying `geth --nodekey /path/file`
I generated a key-pair with geth account new --keystore
and now I'm trying to attach it to a light node with geth --nodekey,
but I'm getting the error Fatal: Option "nodekey": invalid ...
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3
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Despite calculation I get contract creation code storage out of gas
My smart contract is deployed on https://sepolia.etherscan.io/tx/0x1b1742a3ff2ac160d5f245ab91828fcc56a803cb3826b6cbdb9f3cb2f293ba66
Once deployed I get contract creation code storage out of gas error
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how to chech the address that buys the highest amount on a contract
What is the process for identifying the address that has made the largest purchase amount within a specific contract?"
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Why Golang was chosen to implement ethereum protocol?
I know there are many implementations of the Ethereum protocol, i.e. the first implementation in Python, or other implementations using C++, C#, and Java. As go-ethereum has gained lots of attention ...
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Best way to get validator address/fee recipient address for a block
Is there any other way to get the proposer fee recipient address other than using flashbots relay API? Relay API isn't thorough and for certain blocks, you can miss out on getting the proposer fee ...
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Deploying contracts at same address
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/*
Let's say Alice can see the code of Foo and Bar but not Mal.
It is obvious to Alice that Foo.callBar() executes the code inside Bar.log().
...
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Full node is missing transactions
I am running a full node (geth + lighthouse) on mainet for a few months. In a random test i found that my the geth client did not heard of some transactions (i took random blocks from Etherscan, and ...
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