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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1answer
422 views

Calling function in one contract from another contract in private blockchain by Geth

I have problem with smart contract development using Remix solidity in private blockchain by Geth. I have two smart contracts such as Factory contract and Contract contract. I create the Factory ...
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2answers
339 views

how to send tokens back from escrow smartcontract to wallet

i am trying to send tokens out from escrow smartcontract to seller's address and for tokens i am using different ERC2O standard smart contract. so i can send like buyer can send from ERC20 ...
2
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1answer
176 views

call graphs for solidity smart contracts

Do we have some open source tools where we can get call graphs for solidity smart contracts execution ? For ex: Suppose Function A in contract C calls some other function B so the graph should contain ...
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2answers
776 views

how to deploy escrow smartcontract and use it with exciting erc20 tokens

i want to build escrow smart contract with one particular ERC20 standard token. i want to hold token in escrow as a guarantee for transaction. and on some condition those tokens should go back to ...
0
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1answer
225 views

what is meant by minted crowdsales?

I am new to ethereum smart contracts, I was going through minted crowdsale code for learning but couldn't figured out its use case or what is its purpose, precisely what does it mean? Any answer ...
0
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1answer
123 views

Transfer erc20 tokens from a wallet to a new contract's total supply

I have an ERC20 token deployed on mainnet and I would like to transfer tokens from my wallet to a new contract and use it as the total supply of the new contract. Any help would be highly appreciated.
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1answer
42 views

Is there a performance penalty towards creating the maximum number of tokens with ERC-20 etc?

I saw this link: Max possible ERC20 Tokens allowed with 18 decimals? Is there a performance penalty for creating so many tokens? Obviously the number of storage capacity needed for mining will be ...
4
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1answer
268 views

Using Ethereum Classic with web3.py

I successfully integrated Ethereum (ETH) in my product. Now, I want to integrate Ethereum Classic(ETC) in my product. I am using web3.py for ETH. Are there any documentations or libraries for ETC? How ...
0
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1answer
266 views

how to import UTC-JSON file through web3-eth methods

hey I am working on ethereum wallet. in this i want to import my account through UTC json file, but i didn't find any solution for this in web3-eth command someone can please help to find out the ...
-1
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1answer
49 views

I am requested to provide ethereneum adress. How do i go about to create this? [closed]

Please help me to create an ethereneum address and kindly give examples of addresses for ethereneum.
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0answers
58 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() ...
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3answers
475 views

eth syncing of ethereum classic node in background

I run ethereum classic node on an amazon ec2 instance. It seems to be running ./geth --fast ./geth --exec "eth.syncing" attach { currentBlock: 735772, highestBlock: 5565504, knownStates: ...
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1answer
584 views

Fatal: Error starting protocol stack: missing block number for head header hash

I didn't check on the running Geth instance and when I executed a function that logs everything in the Blockchain, I had an error that the port I was listening to wasn't responding. I figured out that ...
0
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1answer
72 views

Feedback the cheat and fraud of etc eth on twitter. How can i recover my loss?

Eth and etc arg two great projects. As i can't find the etc email, hope you can kindly cc to etc too, thanks. A few days ago on Twitter to search for the etheric classic, found an account, and read ...
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4answers
659 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
1
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1answer
276 views

Is it ok to install ethereum and ethereum classic geth together on a server

I already have geth of ethereum running on my amazon linux server. Can I install ethereum classic geth on the same server.? Will it cause problem like transfering from ETH to ETC address accidentally ?...
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1answer
31 views

Does ETC have wallet which can use multi-signature wallet contract like Ethereum Wallet For ETH

Does ETC have wallet which can use multi signature wallet contract like Ethereum Wallet For ETH?
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1answer
137 views

how a transaction is confirmed after all block are mined (newbie)

I'm completely a newbie in crypto currency. There is a question stuck in my head: Fact: - when an amount is sent from me to someone then a transaction is created and broadcasted on network. - this ...
1
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2answers
224 views

Why is there a discrepancy between etherhub.io and gastracker.io?

I traded for Ether Classic (ETC) using ShapeShift and my Coinomi Wallet. The amount I received shows in both my Coinomi Wallet and on gastracker.io, but etherhub.io, etherscan.io, and ethplorer.io ...
2
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2answers
497 views

Solidity: UnimplementedFeatureError: Only in-memory reference type can be stored

I am getting the follow error with the contract below when I compile in remix and javascript. Also how do I fix it. UnimplementedFeatureError: Only in-memory reference type can be stored. pragma ...
0
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1answer
745 views

How Ethash works?

I've looked at the wiki in search of how the information about Ethash algorithm but i did not find the answer. Where can i find detailed information about it or can someone explain it?
3
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1answer
137 views

Unable to understand how smart contracts work

I'm reading several articles about privacy in ethereum smart contracts but still I don't understand how everything in the smart contract is visible to anyone? What does this mean?
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1answer
120 views

Testing Smart Contract

We all know a smart contract is a normal piece of code which can have intended and unintended bugs. DAO attack is such an example where a bug has led to a heavy loss. Suppose I want to check what all ...
1
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1answer
44 views

I transferred coins to an address that belongs to ETH wallet instead of ETC [duplicate]

I have a problem. so, Ask for help. by mistake, I transferred coins to an address that belongs to ETH wallet instead of ETC. Is ther a solution for this? Pleas, see below.
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0answers
461 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/...
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2answers
1k views

Does ETH and ETC uses the same network ID?

Can someone tell me what happen after the hardfork (due to DAO attack)? There are 2 ethereum cryptos after the fork, so there should be 2 different network. Are they using the same network ID? How do ...
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1answer
169 views

Sent my ETH from Remitano to COSS but I cannot find my TXID on Etherscan. Why? [closed]

I already made an ETC transfer from Remitano to COSS.IO. However, when I try to track my provided TXID, there is nothing in Etherscan. TXID: ...
0
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1answer
159 views

mistakenly sent ETC to ETH address on Cryptopia [duplicate]

I have mistakenly sent ETC from Cryptopia To an ETH address.How can i recover my ETC back.
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1answer
99 views

Is there any version of ethereumjs-testrpc for ethereum classic? How to launch geth --rpc in geth classic version on linux?

I was wondering if there is any version of that local test version but for ethereum classic. Another question is, in order to use web3.py and geth in my VPS ubuntu terminal...how can I open a geth --...
0
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2answers
608 views

Restoring ETC using an ETH wallet

I mined some Ethereum before the DAO hardfork. At the time I didn't really understand what the hardfork meant. I just went with the flow and updated the software and I didn't realize I also received ...
1
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1answer
5k views

Can't send ETC from MyEtherWallet using MetaMask wallet

I'm using Metamask with MEW. I sent 1.14 ETC to the address. I also sent some ETH for gas to the same address as seen below. But when I go to MetaMask Chrome Ext, it only shows ETH. When I go to MEW ...
0
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1answer
2k views

I sent ETH to ETC from coinbase to Bitsane how do I get my coins back? [closed]

I sent ETH from coinbase and received confirmation that they were sent, but It looks like I sent it to ETC from on Bitsane how do I get my coins back? I am very new to this process and very ...
0
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4answers
935 views

how to create multiple owners : Solidity

I am creating a contract in which i want is like multiple owners have the rights to whitelist the user. contract Whitelist { mapping(address => bool) Users; address private owner; ...
7
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1answer
455 views

Can I use web3 with Ethereum Classic?

I just learnt using web3 to interact with Ethereum. Is there a similar library to web3 to work with Ethereum Classic? Is there a testnet faucet? Does it work with Parity? Thanks in advance for your ...
0
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1answer
387 views

Address has balance on both chains… What does this imply in my case?

I just saw http://gastracker.io/addr/0xD0A70CF1C09E5824F6B0833688D29aE43AB48d86 Does this imply I can send ᴇᴛʜ if I have only access to ᴇᴛᴄ balance ? I don’t control the private key of this address ...
0
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2answers
433 views

How does Mist know that I'm using Ethereum Classic?

I went to the guide on Ethereum Classic website, and the instructions there are exactly the same as with installing a regular Ethereum account. There is no difference, so it looks like I can send ...
2
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2answers
953 views

How many nodes are supporting Ethereum Classic?

To avoid high fees, I am considering deployment of Smart Contracts on Ethereum Classic (around 20 fold cheaper than ETH) but a concern is about network soundness and security. So I was wondering how ...
0
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1answer
68 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() { ...
0
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1answer
669 views

Sell ETC from my Ledger Nano S (Ledger Wallet Ethereum)?

I have som ETC on my Ledger Nano S and now I want to send them to my bank account. In Ledger Wallet Ethereum app I get the option to send them to a "Ethereum IBAN or account" What is that ?? Do I ...
2
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0answers
67 views

What are possible ways to find a startup to join remotely? [closed]

I was wondering which ways there would be to find remote work for an Ethereum or Ethereum Classic based startup. Or some other crypto, who knows. My goal is to co-found a startup so I can get crypto ...
0
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1answer
61 views

solidity string variable compresion

I am try to compare a string variable in solidity code, mainly i have to check if the string is empty or not. How can it be achieved and also how much long/large of a string i can save in a string ...
1
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1answer
249 views

Sent ETC to ETH and need to know how to recover please! [closed]

I traded ETC from project.github.io/etherwallet to ETH at BTC-e and didn't realise the difference in blockchains. How can I access this? I did this in June. All help appreciated. I have the API keys ...
1
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1answer
514 views

Sent ETC from Jaxx to Coinbase ETH wallet accidently [closed]

I accidently sent ETC to an ETH wallet. Sent ETH from Jaxx to a Coinbase ETH wallet. ETC not appearing now on coinbase because I sent it to an ETH address. Please can you help me with this? I am ...
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0answers
701 views

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

I have private keys in CSV format.
0
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1answer
104 views

Transaction Starvation in Ethereum

A miner chooses a particular transaction on basis of its GAS price i.e. miner generally doesn't pick a transaction with a lower gas price if he has options of other transactions with more gas price. ...
2
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1answer
123 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, ...
0
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2answers
220 views

Reading parameters from Smart Contract

I have a Crowdsale smart contract taken from the example provided by Ethereum on their website. The Crowdsale contract contains the addresses of the people who participated in the Crowdsale. Is there ...
1
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1answer
91 views

how does a smart pool identifies the valid block in ethereum

I have been reading this paper https://eprint.iacr.org/2017/019.pdf. To my understanding, the miners send the shares in batches and later the smart pool verifies the shares with sampling with ...
0
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1answer
376 views

How to confirm a multisig ETC contract wallet transaction that requires two account signers?

I created a multisig contract wallet with Ethereum Wallet that requires two signatures well before the ETH/ETC hard fork. I'm just now coming back to try and move my ETC out of the 2sig contract ...
1
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1answer
138 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 ...