Questions tagged [ethereum-classic]
Ethereum Classic is the chain where the DAO rescue hardfork did not occur. This tag is for questions dealing with the differences between the chains, usage of multiple chains, as well as cross-chain interaction.
59
questions with no upvoted or accepted answers
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answers
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what is a pseudorandom cache mentioned in ethereum yellow paper
in ethereum yellow paper it says:
"There exists a seed which can be computed for each
block by scanning through the block headers up until that
point. From the seed, one can compute a pseudorandom
...
- 43
4
votes
0
answers
506
views
How can I use a Presale JSON file to keep my ETH long-term in cold storage and sell my ETC seperately?
I received Ether during the Pre-sale in June 2014 and received a JSON file and have the password. I have never tried to access these funds. I found out that I should have ETC & ETH due to the hard-...
- 41
2
votes
0
answers
34
views
Where is EVM state and transaction journal stored?
The question of where and how special data structures are stored (and appear!) on the node: the state of the EVM (where the current values of all variables of all smart contracts are stored) and the ...
2
votes
0
answers
43
views
Alternative to decentralize exchange on Ethereum?
Because of the block time lag, The decentralize exchanges built on Ethereum suffers from a Front running problem.
Gnosis works on Dutch exchange concept where orders are executed in Bulk eliminating ...
- 425
2
votes
0
answers
186
views
How to calculate the value of mixhash in block header?
As of my knowledge how POW works is When mining the miner will have the hash1 which is block hash and he need to fine the hash2 which is hash of nonce (a random number).
So that the root hash of ...
- 25
2
votes
1
answer
965
views
How to start ethereum classic (ETC) testnet/morden node?
I want to be able to start a node that will sync to the ETC testnet (is that morden?) network and allow me to query over web3 (or other) interface.
I tried all tutorials and documentations, I tried ...
user29010
2
votes
1
answer
1k
views
ETH vs ETC on Dwarfpool and Poloniex?
Noob miner here,
Does anyone mining on Dwarfpool know if they have updated to the forked code (ETH), or are we still mining Ethereum classic (ETC)? I currently use Poloniex as my intermediary wallet ...
- 21
2
votes
1
answer
343
views
How was the name “Solidity” chosen?
Academic and historical interest, how was the name "Solidity" conceived by Gavin Wood. Every name has an interesting history, can't find much on Solidity though. It is based on ECMA script standard, ...
1
vote
0
answers
20
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Is Reentrancy Check compulsory while inilaizing the initializeGenesisBlock function?
I have one doubt while initializing a Genesis Block function in solidity smart contract
Question = Is Reentracy Check compulsory while inilaizing the initializeGenesisBlock function ?
function ...
- 21
1
vote
0
answers
30
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Ethereum classic $ETC emissions schedule as of 2023 March
ETC Ethereum Classic has been running for a number of years now. What is the current emissions schedule for Ethereum classic? Did they ever change the schedule?
- 4,800
1
vote
1
answer
31
views
Whata are the differences between Ethereum and Ethereum Classic?
What are the key differences between Ethereum and Ethereum Classic and what implications do they have for the future of the Ethereum network?
- 139
1
vote
0
answers
38
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Number of Ethereum transactions per day since 2015
I have plotted the number of Ethereum transactions since 30th August 2015 (around inception). This is how the graph looks like. I expected a trend in which the number of transactions in a day will be ...
- 11
1
vote
0
answers
11
views
How are updates rolled out?
if an update to Ethereum or any other cryptocurrency is rolled out, how to ensure that everyone in the network is running the same 'version'.
Especially if the update is not backward-compatible with ...
- 11
1
vote
0
answers
969
views
Can I set fixed gas price to Opensea-js fulfillOrder method
I am trying to use openseajs library's fulfillOrder method to buy NFT token. And I want to adjust the gas price to prioritize my transaction. Below shows how I do this.
I pass the tokenId, ...
- 161
1
vote
0
answers
44
views
startnode.cmd file not recognized
When I opened my folder mygethnode in VSC.
There are only two folders named geth and keystore and 4 json files.
.puppeth folder and startnode.cmd file is not there.
How to edit the parameters without ...
- 111
1
vote
0
answers
523
views
Ethereum Keystore Hashcat
I have a keystore file but I can't remember all the passwords.
Then I use Hashcat and I try to crack it with my list of words that I made but I don't know if I use the correct commands.
hashcat.exe -...
- 11
1
vote
2
answers
718
views
How to convert string to bytes256 or arbitrary bytes?
I already know how to convert bytes32ToString and stringToBytes32:
function bytes32ToString(bytes32 x)
public
pure
returns (string memory)
{
bytes memory ...
- 11
1
vote
0
answers
331
views
Solidity: TypeError: Member "unbond" not unique after argument-dependent lookup in contract super EthGatedMarket
I'm getting this error:
TypeError: Member "unbond" not unique after argument-dependent lookup in contract super EthGatedMarket.
super.unbond(msg.sender, gatewaySpecifier, quantity);
^----------...
- 73
1
vote
0
answers
34
views
Is it possible to deploy Dapp on Ethereum classic network and be listed in mist?
So as a small bisness entety can not pay 100k USD for app deployment, one wonders on is it possible to deploy Dapp not in the test net but in a more real ETC one?
- 73
1
vote
1
answer
805
views
How to add account in rinkeby test network?
I have a problem on creating a wallet account.
I have downloaded mist.
I have downloaded ethereum wallet.
I have no idea on anything of this. I am new to this.
I have choosen Develop->Network->...
user39503
1
vote
0
answers
74
views
Lower level implementation of solidity call
How is call() implemented at lower level in Ethereum Solidity compiler? Most of the places it is written that it is used to send message to contracts. But I need to know syntax and semantics of call() ...
1
vote
0
answers
882
views
Mining Nanopool almost without shares?
I'm using nanopool to mine ethereum classic, but Nanopool tells me that my device is offline because it doesn't get any shares
This is my account :
https://etc.nanopool.org/account/...
- 11
1
vote
1
answer
121
views
How to call a payble function in embark? When I am trying it is showing gas limit exceeds
when I am trying to call payble function in embark it is showing gas limit exceeds. Please tell me where I am wrong?
///////////////// Index.js:
$('#buy button').click(function() {
...
1
vote
0
answers
894
views
How to sweep Ether from multiple private keys at one go?
I have private keys in CSV format.
1
vote
1
answer
190
views
Multisig deployment created ETC standard wallet - how to access?
I made a multisig wallet on the ETH chain in December or so last year.
It has an ETC parallel to it which I cannot access.
As you know multisig wallets don't have private keys. And I can't use the ...
1
vote
0
answers
947
views
Can't send ETC using Ledger with MyEtherWallet
I have an address that has both ETH and ETC. They are in Ledger Nano S. I transferred ETH to the address and it works fine. Then I transferred ETC to the same address. Now I tried to use MyEtherWallet ...
- 11
1
vote
0
answers
60
views
Work with contracts in Ethereum
I write this contracts.
RegProvider creates Registrator and Counter, and Client connect to it.
But when I do any action from Client, there are not any Events in RegProvider.
Where is my error? Any ...
1
vote
0
answers
51
views
A terse description of the theDAO hardfork
As I understand it, at block 1920000 the blockchain was forked and there are now two blockchain strands; ETH (hard-forked) or ETC (non-hard-forked) blockchain. This is known as "the DAO hardfork".
...
- 8,588
1
vote
1
answer
206
views
Recovering ETC from a contract (not DAO) / running MIST
The issue I have is that I have some ETC in an old wallet from the pre-fork time. Most of them are located in a contract with positive balance shown using an explorer.
I am able to enter my wallet ...
- 11
0
votes
1
answer
20
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I received ETH meta coinbase says its fake sender says its not?
So I have a coinbase wallet that received ethm. Coinbase support stated that the ethm in the wallet wasn't authentic. How can I prove it is or it isn't. The sender says it's valid, coinbase ...
- 1
0
votes
0
answers
16
views
How can I know how much the scammer (creator of scam token) has made off us?
I fell for honeypot a few months ago when I was just starting to explore the world of cryptocurrency. I was scammed out of $50 along with many other guys who bought and then couldn't sell the token. I ...
- 1
0
votes
0
answers
15
views
Go-Ethereum: shut down fails in handler.Stop(), anyone know why?
I'm running etclabscore/core-geth with my custom consensus engine (but reproduced the issue with Clique too). The shutdown process in handler.Stop() fails, and stops at h.wg.Wait().
func (h *handler) ...
- 211
0
votes
0
answers
7
views
Core-geth/Go-Ethereum: Why ReorgNeeded called before check if canonical block, in WriteBlockAndSetHead in blockchain.go?
When running as a block producer, a chainHeadEvent is sent to worker.go after producing a block, and this is done via WriteBlockAndSetHead that is called from resultLoop after receiving a new sealed ...
- 211
0
votes
0
answers
69
views
web3 python exactInputSingle keeps failling
I Am trying to make a swap on uniswap using its routerV3's exactInputSingle function like this:
from web3 import Web3, HTTPProvider
from web3.gas_strategies.time_based import fast_gas_price_strategy #♦...
- 123
0
votes
0
answers
31
views
I send my Etc from coinbase to my eth address by accident
I accidentally sent my Ethereum classic to Ethereum address a while ago. I tried everything to recover. Nobody was able to help me or try explaining to me if it’s possible I recently seen something ...
0
votes
0
answers
16
views
Not Able to initalize bundlr for etherum
const privateKey = user_wallet.private_key;
const bundlr = new Bundlr(arweaveUrl, "Ethereum", privateKey );
await bundlr.ready();
Im not able to initalize Bundlr for etherum.
Giving me the ...
- 13
0
votes
1
answer
2k
views
Get error `Error: cannot estimate gas; transaction may fail or may require manual gas limit` when send method to contract
I deployed a smart contract to Ganache as below code:
// SPDX-License-Identifier: MIT
// Tells the Solidity compiler to compile only from v0.8.13 to v0.9.0
pragma solidity ^0.8.13;
import "@...
- 306
0
votes
1
answer
24
views
Can we get an estimate of how many ETH ASIC's were there before they all migrated to Ethereum classic?
Many of the ETH asic's have migrated to ETC, but how many estimated machines were produced? If we took the hash rate of ETH before the merge and compared it to ETC before the merge and get the ...
- 4,800
0
votes
2
answers
2k
views
error deploying with hardhat- config issue
I'm having error in my config file:
Error HH8: There's one or more errors in your config file:
* Invalid value undefined for HardhatConfig.networks.rinkeby.url - Expected a value of type string.
* ...
- 13
0
votes
0
answers
17
views
Need your guidance in using mythrill
I am using mythrill for analysing vulnerabilities in smart contract.
Source: https://github.com/ConsenSys/mythril
How many user request for analysing can mythrill python code can handle at a time ?
Is ...
0
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0
answers
232
views
Sent ETH to ETC address within Ledger Nano X - Blind Signing Error when trying to Transfer (have read old threads)
I sent ETH to a ETC Leger Address. I have read the thread "Sent ETH to ETC address within Ledger Nano S. Confirmed on Etherscan, but not appearing in Wallet? [closed]" which has a good ...
0
votes
0
answers
186
views
geth - error when starting the first node - ubuntu
I try to do the steps from here:
https://geth.ethereum.org/docs/getting-started/private-net
I run the first commnad:
geth --datadir="/tmp/eth/60/01" -verbosity 6 --ipcdisable --port 30301 --...
- 125
0
votes
0
answers
90
views
make geth fails after cloning ethereum classic repo
After cloning ethereum classic repo, running "make geth" command leads to the following error:
cannot load hash/maphash: malformed module path "hash/maphash": missing dot in first ...
- 327
0
votes
0
answers
398
views
Ethereum NFT minting successful, but still gives this error
I am trying to build a Ethereum NFT minting website where the website users can mint NFTs on blockchain without an external wallet (e.g. Metamask).
I asked a question here before and got reply as to ...
- 11
0
votes
1
answer
64
views
Is the DAO Hack attacker still full of ether?
I'm actually studying what is happened in the DAO Hack for a research and I'm full of curiosity.
I read a lot of articles on Internet about this but I didn't found enought informations about what ...
0
votes
0
answers
57
views
accidentally sent ETC to ETH
pls help I accidentally mistakenly sent ETC to ETH, and I have been reached out to my coinbase and third party and they said they didn't receive it and it showed the transaction details and lost the ...
0
votes
0
answers
277
views
TRANSFER_FROM_FAILED when swapping token for eth with uniswap api
when calling uniswap.swapExactTokensForEth, I get the following error on etherscan:
Fail with error: TransferHelper: TRANSFER_FROM_FAILED
I see previous posts with this error, though they seem related ...
- 33
0
votes
0
answers
184
views
Execute a function once for each ID
I need to allow the function caller to only execute the function once for each request ID. So I have IDs and for each ID , the caller can only execute the function once. I need help in a way that is ...
- 297
0
votes
0
answers
76
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In Ethereum, is it possible for a malicious client to duplicate a coin by double executing a transaction?
Is it possible a scenario in which a malicious client executes two transactions with the same nonce of a specific account and copies and sends coins?
Suppose users A, B, and C have the following ...
- 3
0
votes
1
answer
116
views
Can we use openzeppelin library to make contracts upgrade-able in ETC test net?
I am trying to develop smart contracts to run in the ETC test-net. Beforehand, I am doing some background research and need to know if openzeppelin library is compatible to make things work in ETC as ...
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