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.

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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 ...
zifan yan's user avatar
4 votes
0 answers
485 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-...
Firedawn's user avatar
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 ...
GraphicalDot's user avatar
2 votes
0 answers
170 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 ...
shadow's user avatar
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2 votes
1 answer
951 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 ...
Uri Maimon - Nominal's user avatar
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 ...
NoobMiner's user avatar
2 votes
1 answer
315 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, ...
Mayukh Mukhopadhyay's user avatar
1 vote
0 answers
17 views

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 ...
Saurabh Bhai's user avatar
1 vote
0 answers
21 views

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?
Patoshi パトシ's user avatar
1 vote
1 answer
27 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?
vgonearth's user avatar
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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 ...
Anwesa Roy's user avatar
1 vote
0 answers
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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 ...
Nerox's user avatar
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1 vote
0 answers
950 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, ...
Eric Lee's user avatar
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 ...
Kaustubh Dwivedi's user avatar
1 vote
0 answers
415 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 -...
ArlenHugues's user avatar
1 vote
2 answers
667 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 ...
Lou Treaser's user avatar
1 vote
0 answers
324 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); ^----------...
caitlinp's user avatar
1 vote
0 answers
33 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?
Blender's user avatar
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1 vote
1 answer
803 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->...
user avatar
1 vote
0 answers
73 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() ...
Utkarash Singh's user avatar
1 vote
4 answers
2k views

how much does using ethereum services cost

Lets say im creating my own cryptocurrency and my own blockchain on ethereum, what would be the basic costs for setting all this up if i am developing on Ethereum
Shaun Ferns's user avatar
1 vote
0 answers
878 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/...
Motivation Q's user avatar
1 vote
1 answer
119 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() { ...
Shubhabrata Mukherjee's user avatar
1 vote
0 answers
875 views

How to sweep Ether from multiple private keys at one go?

I have private keys in CSV format.
Midnight Engineer's user avatar
1 vote
1 answer
189 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 ...
rhodesian_ridgeback's user avatar
1 vote
0 answers
944 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 ...
lostmewuser's user avatar
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 ...
Евгений Шахов's user avatar
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". ...
Lee's user avatar
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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 ...
Alx's user avatar
  • 11
0 votes
0 answers
9 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 ...
Ali Safieddine's user avatar
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0 answers
16 views

ETH red from choise wallet owned by myself gone out of my wallet and not arrived

I transferred roughly 8 ETH from my Choise wallet to another address owned by myself three days ago but the ETH has not turned up but has gone out of my choise wallet - the transaction Id does not ...
Dodge's user avatar
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0 answers
107 views

How to calculate the Max Buy and max sell of an erc20 token even without liquidity

How to calculate the Max Buy and max sell of an erc20 token even without liquidity. There are many Ethereum tokens with a limit to the maximum amount of tokens that can be bought at once and sold. I ...
JoachimScript's user avatar
0 votes
0 answers
17 views

How much Gas Token used in total Gas?

Users can Mint Gas tokens at a lower price and Free them when the Gas price is high in Ethereum. In Etherscan, the available information is Gas Used. There is no more information about how much Gas is ...
Motiv's user avatar
  • 21
0 votes
0 answers
14 views

Failing to deploy a Yearn.Finance DApp

I am working on building a DApp that interacts with the Yearn.Finance vaults, using the standard ERC4626 standards. This is my first DApp connecting to Yearn.Finance. During development, I am looking ...
AnirbanMukherjee's user avatar
0 votes
0 answers
13 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 ...
user114704's user avatar
0 votes
1 answer
1k 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 "@...
Joey Yi Zhao's user avatar
0 votes
1 answer
12 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 ...
Patoshi パトシ's user avatar
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. * ...
OmerS's user avatar
  • 13
0 votes
0 answers
16 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 ...
Abinaya Sethuraman's user avatar
0 votes
0 answers
210 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 ...
HoundieHound's user avatar
0 votes
0 answers
180 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 --...
Rony Tesler's user avatar
0 votes
0 answers
85 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 ...
Kevin Wad's user avatar
  • 317
0 votes
0 answers
384 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 ...
Paul Groove's user avatar
0 votes
1 answer
62 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 ...
Zerodrome's user avatar
0 votes
0 answers
53 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 ...
Patrick Bach's user avatar
0 votes
0 answers
261 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 ...
Crypto Gems's user avatar
0 votes
0 answers
174 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 ...
Haya Raed's user avatar
  • 297
0 votes
0 answers
71 views

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 ...
Hoonki's user avatar
  • 3
0 votes
1 answer
110 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 ...
NinjaMAN's user avatar
  • 409
0 votes
0 answers
124 views

Unable to make private geth node online

I am currently working on building my own private network on Ethereum to build small apps. I am learning as I go so excuse me if this question is very obvious, but I have exhausted myself looking for ...
Haider Sattar's user avatar