Questions tagged [blockchain-fork]

Regarding to splitting of the Ethereum Blockchain

15 questions with no upvoted or accepted answers
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How did the “state clearing” transactions run Out of Gas?

"Failing to revert empty account deletions when the transaction causing the deletions of empty accounts ended with an out-of-gas exception" caused issues with consensus on November 24 2016. Usually, ...
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161 views

How can i detect the blockchain fork event?

How should I handle blockchain forks in my DApp? In this question, a module named reflux-tx is introduced, which can help to trace the transaction state and watch for the blockchain fork event. But ...
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508 views

In parity, how can I delete the last blocks I downloaded without corrupting the database?

I have found the blockchain data in parity. I go to overlayrecent folder and from there to the db folder. It looks like the blocks are the .sst files. How can I delete the last blocks I downloaded ...
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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 ...
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21 views

How a contract on Ropsten (deployed after fork) emit 3/5 events on the shorter chain while same contract on longer chain emits 5/5 of the events

General info: We have a full-node, which broadcast our txs. We have a EventSource contract which contains 5 events types. The eventSource contract deployed only after Istanbul fork. Our node was ...
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How to forcibly switch Geth to follow other chain and not the largest?

During the previous fork on Ropstan, my node seems to follow to the wrong chain if I understood correctly. As for now, it's on 6537730, it's the longest but major players are around 6523511. What are ...
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1answer
50 views

Can we change the Consensus of Ethereum after cloning from github

If we clone ethereum from Github can we change its consensus like other parameters Gas ,blocksize. like if we dnt want to build Blockchain from scratch is there any way to change the consensus ...
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106 views

Why is my geth node stuck on block 7130891?

My geth mainnet node (version 1.8.21) has stopped on block 7130891. Interestingly, eth.syncing returns false and eth.blockNumber constantly returns 7130891. It was working up until ~24 hours ago. ...
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140 views

Fork Crypto from go-ethereum (geth)

I have clone the source code of go-ethereum from github and i want to modify it so i can get owner crypto. Step 1: go run mkalloc.go genesis.json from go-ethereum/core it gen hex for ...
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269 views

private Ethereum Network Uncle Mining: blockchain forked from a node even that node still connected to the network

I have a private Ethereum Network. It was working without any problems when I had a single miner. But when number of miners increase, I am faced with the following problem: The way I have started my ...
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44 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". ...
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How dapp owners pay for their clients transcaction fees in the Ethereum Blockchain?

I am currently dealing with a problem in Ethereum Blockchain. I wrote a smart contract in Solidity Language, about a site that someone can make his Registration and after the transaction is completed ...
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1answer
46 views

Is it possible to get duplicates of the log events on Ethereum when we have a fork of the chain?

Let's suppose we have 2 chains of ethereum blockchain. When I fetching contract's log events from x block to getBlockNumber(). Will i get two or one the same log events from each block? Or ...
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1answer
33 views

Ethereum Smart Contract with Custom Fee and Percentage of the collected Fee Distrusted token holder

I wanted to know is there a possibility to create a smart contract for a token wherein the transaction fee could be overridden with the network fee and the fee collected on the transaction can be ...
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1answer
178 views

I need some clarification about cloning Ethereum

I would like, just for learning purpose how to create a new crypto by cloning the Ethereum. I know how to make a clone of BTC and LTC, basically with that chains is enough modify some strings (such ...