Questions tagged [hardforks]

A hardfork is any backwards-incompatible change to the Ethereum protocol, such that a client will need to upgrade in order to remain on the network. This tag is for actual and proposed hardforks, as well as the issues relating to them.

Filter by
Sorted by
Tagged with
1
vote
1answer
52 views

Would it be possible to create a fork of Ethereum or Ethereum Classic where only few smart contracts can be deployed after offchain debates(forums..)?

I would like to know if it would be possible to create a Fork of Ethereum or Ethereum Classic where only few smart contracts can be deployed? The goal is to create a fork and launch a brand new ...
0
votes
0answers
16 views

Sushiswap issue on xDai chain

On xDai chain, I tried to swap STAKE token to WXDAI It works well on mainnet but when I'm trying to do it on hardforked network, we can't send STAKE token to sushiswap pair https://blockscout.com/xdai/...
0
votes
0answers
17 views

UniswapV2: K (tx succeed in mainnet but not forked one)

My transaction on (swapExactTokensForTokens) xDai chain succeed https://blockscout.com/xdai/mainnet/tx/0x1fbe56224e8982ff184edce91c02599bc4d7f69090843a3b1b9767cd3eadfdda But when I try ...
0
votes
0answers
16 views

What is the process for accepting an EIP?

I know the gist of how changes to the Ethereum protocol are proposed and formalized, by creating an ERC/EIP for the community to discuss and contribute to. But I'm unclear on the exact procedure for ...
0
votes
0answers
7 views

Can i get step by step instructions to fork GETH [duplicate]

Can I get step-by-step instructions to fork GETH then make a public node with a private network RPC, chain id, and native coin?
1
vote
0answers
23 views

What changes to the RPC return data will appear due to London hard fork?

I recently upgraded my node software (OpenEthereum) to the London hard fork. As part of my testing, I noticed a new field from the eth_getTransactionReceipt called effectiveGasPrice. Simple enough... ...
0
votes
1answer
32 views

How could a replay-protected transaction gotten replayed in Ropsten (pre/post London hard fork)

We're running two versions of geth on Ropsten. One is pre-london (legacy) and the other one includes the london activation block (london). The versions we're running are: legacy: Geth/v1.10.2-stable-...
0
votes
0answers
29 views

Is it possible to fork the Bsc chain using geth to use it for dry running

Is there a way to fork an EVM chain using geth ? something similar to the --fork option of ganache where you take the entire chain and basically hard fork it while adding newer accounts with infinite ...
4
votes
1answer
387 views

How many blocks were reversed with the DAO hard fork?

There are some facts regarding the DAO hack and the subsequent hard fork that can be found everywhere, e.g., that the hard fork happened at block height 1,920,000, that it was undertaken in an effort ...
1
vote
0answers
10 views

Is there a table detailing all Ethereum protocol versions and which hard forks they correspond to?

Ethereum nodes have a protocol version parameter (https://web3py.readthedocs.io/en/stable/web3.eth.html#web3.eth.Eth.protocol_version). Is there a good source for Ethereum protocol versions and the ...
1
vote
0answers
46 views

Is it possible to hard fork a private network to Berlin?

I have a Proof-of-Authority private Ethereum network that has Istanbul EVM version and created by clique engine. I have multiple signer nodes that has Geth version: v1.10.1-stable-c2d2f4ed. "...
0
votes
0answers
12 views

Does anyone know what this transaction refers to, and if funds can be retrieved?

Hello Ethereum community! I was looking back at transactions made with an old ethereum wallet and came across the following. Does anybody know what this refers to? I am not sure what this "...
0
votes
1answer
718 views

Non-native tokens versus Native tokens

to me ERC-20 tokens are a sub-class of Ether, yet they are referred to as "non-native tokens". Why would they be called non-native? What would be native in the Ethereum sense then? Cardano-...
0
votes
1answer
24 views

I'm here to run the official Go-Ethereum repo. How can i do that?

I want to run go-ethereum in my own PC. Is there any instruction about this? How they deployed it?
0
votes
0answers
35 views

trying to send some tokens from unlocked account

So I'm trying to send some tokens from an, with ganache-cli unlocked, address to mine to try something out, however for my code to work I need some starting amount of the initial token. Is there some ...
2
votes
1answer
62 views

Which fork implemented EIP-141? (invalid opcode)

EIP-141 https://eips.ethereum.org/EIPS/eip-141 was introduced in 2017, but I cannot find it in any of the meta lists for forks https://eips.ethereum.org/meta. Is there a fork under which it was ...
1
vote
1answer
19 views

Simple question about pre/post hard fork of July 2016

I have searched the messages and, while I did find some info on the hard fork, I didn't see my answer. I believe it is because it is such a simple question. Thank you for any clarification you can ...
2
votes
1answer
73 views

What are the changes to EVM from Constantinople fork and later forks? [duplicate]

What are the changes to EVM from Constantinople fork and later forks? Could you tell me which commit in git? Or Could you provide a list? Thank you!
0
votes
1answer
27 views

Miner not updated to Muir Glacier. Coins now in Ice-Age-Chain(?)

What happens if a miner processes my transaction that has not updated to Muir Glacier? Is it possible that I loose coins because the miner is still on the old chain so that the coins are now on the ...
5
votes
1answer
437 views

It possible to hard fork a private network without resyncing chain from scratch?

I am able to hard fork my private chain into first Constantinople and than to Istanbul, please see the answer for it. My approach is: I have updated geth to its highest version I have kept the go-...
1
vote
1answer
84 views

How will the existing Smart Contract handle ETH Fork Upgrades (E.g., ETH's Istanbul Upgrade) or Outages

I have created my token and deployed on ethereum network before ETH Fork Upgrades (E.g., ETH's Istanbul Upgrade), What will be the huge impact of Fork update on my smart contracts and how can i manage ...
2
votes
1answer
88 views

What is the Muir Glacier hardfork?

What is the Muir Glacier hardfork on the Ethereum mainnet?
1
vote
1answer
53 views

Should I stop the geth node during hard-fork?

As the countdown on https://ethernodes.org/istanbul, should I need to stop my geth node before hard-fork? Or I could continue to syncing during hard-fork. Thanks alot.
1
vote
1answer
179 views

What is a hard fork? [duplicate]

I am new to web3 development. I have seen the word 'hard fork' in web3.js documentation, but I never understood it fully. I also noticed that hardfork is used a lot when talking about chains and ...
1
vote
0answers
19 views

How a full node knows which chain to follow?

After Istanbul fork, my full node followed the longest chain which has: Longest Chain Highest TotalDifficulty It seems that the shorter chain of the core-dev closing the gap - total difficulty ...
1
vote
0answers
24 views

During fork, how tx that was sent from full node is been mined on the two blockchains?

My full node connected to 0,...,n peers and follows the longest chain after Istanbul fork - the miner's chain. General transaction flow: full-node get the tx, validates and broadcast to its peers. ...
0
votes
1answer
34 views

Is Ethereum suitable as a store of value?

Say you bought some ether when ethereum was at 1.0. Most of the time Ethereum requires you to update (via a hard fork) to the latest software. This means you'd need to update your wallet every time ...
4
votes
1answer
436 views

Is it possible to hard fork a private network to Constantinople?

I have a Proof-of-Authority private Ethereum network that has Byzantium EVM version and created by clique engine. I have a single miner that has Geth version: v1.8.27. { "config": { "chainId": ...
2
votes
1answer
51 views

How Ethereum HardFork Complete?

When a major change happen in ethereum like Softfork or Hardfork, all nodes may not agree with this. So is this change possible ? Vitalik is creator of Ethereum. But ethereum is totally decentralized, ...
1
vote
1answer
43 views

What’s the full changelog for things which actually had been implemented by Constantinople?

It’s being said that the Constantinople hard fork is a minor one. But as far I know, this is isn’t just a miner reduction fees. They are additional things which were implemented (like a special ꜱꜱᴛᴏʀᴇ ...
0
votes
1answer
62 views

Blockchain Hark Fork System Impact - risk assessment and mitigation plan

I am exploring on System Impact risk assessment and mitigation plan during a block chain (ex –Ethereum) hard fork. 1) What happens to the deployed smart contracts when a hard fork occurs? 2) Does ...
0
votes
0answers
40 views

Will the Gnosis multisig wallets be compatible with the Eth hard fork

Does anyone know whether Gnosis multisig wallets are going to be compatible with the Eth hard fork happening soon? I am worried that the funds I have in mine might not be safe.
1
vote
0answers
41 views

Changing chain specification

We have a private network with 10 nodes actually. It's been working for a couple months now. When we did it, we set up some parameters in the chain specification that are now too small for the growth ...
0
votes
1answer
293 views

How to fork Ethereum(go implementation) to make a new chain? [duplicate]

I want to fork Ethereum(go implementation) to make another new public chain which should start again from the block zero but keeping all other parameters same as in main chain. Please guide me with ...
3
votes
1answer
58 views

Why was the Constantinople hard fork postponed?

The Constantinople hard fork — really a network upgrade — was scheduled to happen today (January 16) at block 7,800,000. Instead the upgrade was postponed. What are the technical reasons for the ...
5
votes
1answer
171 views

Will the Constantinopole hard fork create new coins?

Is the ethereum constantinopole hard fork going to result in extra forked coins for ethereum holders?
2
votes
0answers
101 views

What is the point of switching to ProgPOW for ethereum, when POS is coming in the coming year(s)?

With the recent discussion of the new ProgPOW mining switch. What is the point of it when POS is coming in the coming year(s)? I understand it disables the ASIC miners, while benefiting the GPU miners....
1
vote
2answers
222 views

Constantinople hard fork and Ethereum based tokens

I have a question: Do we have to deposit all of our Ethereum tokens into some exchange before the Constantinople hard fork, otherwise our tokens will become worthless? Or we can leave our tokens in ...
2
votes
1answer
277 views

What are the changes to be included with Constantinople fork? [duplicate]

Recently it was announced that the next hard fork of the Ethereum network mainnet will be at block 7,080,000. From more recent estimates it will occur around 2019-01-15 18:11:20 UTC. So what are the ...
1
vote
1answer
63 views

Constantinople fork replay protection

I was wondering... Will Constantinople hard fork surely replace the current fork? Is there any chance that the Constantinople fork and the current one will co-exist? If so, any replay attack ...
2
votes
0answers
48 views

Geth Clique: can change config params in genesis and still retain the existing blocks?

I have altered my custom Geth private chain Clique PoA, but it seems after I do that I encounter: BAD BLOCK Error: invalid receipt root hash Is it possible to: change the Geth code add a new hard ...
8
votes
1answer
546 views

Casper, Serenity, Constantinople, Ethereum 2.0

I hear alot about the terms: Casper Serenity Constantinople Ethereum 2.0 At some point I thought that all are the same, the next release of Ethereum, but apparently there’s an upcoming fixes patches ...
1
vote
1answer
361 views

Upcoming Ethereum hard fork and ERC-20 token as fiat money

The ethereum network may face a new hard fork with the release of Ethereum 2.0 (scalability fixes) Is it true that we might have two parallel ethereum networks each running a different consensus ...
8
votes
1answer
348 views

What happened in the Ropsten hardfork from Byzantium to Constantinople?

What were the consensus issues during the Constantinople hardfork in the Ropsten testnet? One noted consensus issue is: geth and parity have been in noticeable disagreement regarding block ...
1
vote
2answers
383 views

During the POW/POS transition, why would a POW miner choose to mine on the chain with the POS consensus algorithm?

As the title says, what incentive does a POW miner have to mine on the hybrid POS chain? They would, effectively, be removing their own economic incentive from the consensus mechanism. I understand ...
2
votes
1answer
125 views

Ethereum Hard Fork and blockchain

If i do Ethereum Hard Fork to build DApp - Does it need to be on Ethereum or could be a separate blockchain system? If we build a separate blockchain system, what is the advantage of hard-forking from ...
0
votes
1answer
39 views

What do the keys 'balance', 'extraBalance' and 'extraBalanceAccount' signify in the dao-hardfork

The list of 58 affected accounts during the DAO hardfork is available here: https://github.com/ethereum/go-ethereum/blob/5f55d95aea433ef97c48ae927835d833772350de/params/dao.go#L67 The list has four ...
0
votes
1answer
204 views

Why does a permanent chain split occur only in a Hard Fork?

Have read a number of articles on what hard fork and soft fork actually are. But couldn't really get the essence of it. My understanding is Hard Fork brings a change in the core Blockchain code (...
1
vote
0answers
30 views

Is there any way to find all of the Sep/Oct 2016 DDos accounts?

This EIP allowed for the cleaning up of the nearly 20 million DDos accounts created during the September/October 2016 DDos attack. The solution had two parts: (1) the node code had to be changed to ...
0
votes
1answer
777 views

How to start a new blockchain/fork? [closed]

I really like whats going on in the space, and have an idea of my own for a blockchain. I am aware there are ERC20 tokens - which should help me build on top of Ethereum. The concept i have in mind ...