All Questions
Tagged with gas-estimate go-ethereum
18 questions
23
votes
5
answers
29k
views
How to estimate gas at contract creation/deployment to private ethereum blockchain
What I have done
a) When I use web3.eth.estimateGas to estimate the cost of a contract creation constructor with no parameters, the estimate is correct.
b) If the contract is already deployed then ...
- 871
5
votes
1
answer
4k
views
Gas, gas price, gas cost
I have read in the documentation that the miners set the gas cost. Does this means that gas cost varies from miner to miner? If not, how it is determined?
Moreover, when a contract is referred in geth ...
- 491
5
votes
1
answer
838
views
eth_gasPrice often returns 20,000 Babbages, but not always. Why?
According to https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_gasprice rpc-json method eth_gasPrice returns the current price per gas in wei. But I have several questions:
What does exactly mean "...
2
votes
1
answer
3k
views
How to properly estimate gas costs of function calls with go-ethereum and golang?
I'm attempting to build out a program in golang to model ethereum gas costs of function calls for the smart contracts I write. I've successfully been able to estimate them using ethclient.EstimateGas ...
- 1,593
2
votes
1
answer
798
views
how to use eth_estimateGas for erc20 tokens?
i wanna calculate estimate gas for BNB, PAX, LINK
i have used geth 1.8 and web3.php
my contract data that used (i found them from etherscan):
<?php
/**
* @var array
*/
public ...
- 145
2
votes
0
answers
35
views
What values for the global state variables does geth use for estimateGas?
What values for the global state variables does geth use for estimateGas?
For example, block.timestamp.
- 21
2
votes
0
answers
123
views
how to estimate the gas cost of a contract function that will fail
I am trying to estimate the gas cost of a contract function that will fail. when i do that using standard web3.py's contract.function(args).estimateGas(txArgs) it ends up failing and raising an ...
- 3,058
1
vote
1
answer
4k
views
Estimate Gas For Smart Contract Always Fails
I have deployed a very simple contract to the Ethereum blockchain to be able to split a payment across two different outputs.
pragma solidity ^0.5.0;
contract MoonTrade
{
function multiSendETH( ...
- 143
1
vote
2
answers
1k
views
eth_estimateGas rpc is very slow. I'm using geth node. It worked fine a few days ago. Is network congestion the reason?
I'm using geth 1.7.2-stable. I noticed "eth_estimateGas" is very slow. It does not show the result. I confirmed that it worked a few days ago. Someone said the number of transaction is very high from ...
- 1,493
1
vote
0
answers
233
views
Low level question about how eth_estimateGas interacts with state changes
i'm new here, i have a pretty weird question.
Do you guys know how eth_estimateGas works at low level? In particular, do you guys know how it interacts with state changes?
Let's say for example i have ...
- 11
1
vote
0
answers
88
views
Maximum gas estimate
eth_estimateGas provides estimated final gas consumed by transaction and accounts for gas refund in the end of transaction. However, is there a way to estimate maximum gas the transaction may consume ...
- 141
1
vote
0
answers
482
views
Understanding eth_estimateGas with regards to gas price, and current mempool
Does anyone have a detailed understanding of how eth_estimateGas works with regards to gasPrice and the current mempool state?
I have historically seen some really odd behavior when using ...
- 640
1
vote
0
answers
815
views
my_contract,estimateGas() crashes and "eth_estimateGas" returns incorrect value
I'm trying to estimate Gas for a contract method (both using parity and geth - tried web3py and web3js). Contract is deployed and proven to be working.
When I use:
estimateGas and geth (providing: ...
- 41
0
votes
1
answer
4k
views
How to estimate gas cost for contract method using geth
I want to estimate a contract method gas cost using geth. I understand there is no direct way using geth as in the web3 libs. But I don't understand what is the second argument needed and how I can ...
- 3
0
votes
1
answer
362
views
Smart contract transaction takes different amounts of gas on different platforms
I have an ERC-20 token contract on which I want to perform some testing on a local chain. I got my chain setup, contract deployment and testing scripts ready on my Windows machine. However, since I ...
0
votes
1
answer
171
views
Smart contract's function work on testnet but don't work on private network
I have been created a smart contract (ERC20 implantation). The contract run great om testrpc, ropsten and rinkeby but i want to use it in a private network.
When the contract deployed in the private ...
- 41
0
votes
1
answer
231
views
Invalid argument after upgrading geth from 1.5.9 to 1.6.1
Once upgraded the geth node to 1.6.1 it is not accepting queries anymore, throwing the following error:
Invalid argument 0: missing 0x prefix for hex data
That's weird for a query like this, where ...
0
votes
0
answers
155
views
Why does my private network transaction use a different amount of gas than my mainnet transaction performed immediately after?
I am forking the mainnet from my own geth node with ganache-cli --fork option. Immediately after the fork, I simulate a transaction to a contract on the forked, private network. I then immediately ...
