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Questions tagged [geth]

Go implementation of command line tools for Ethereum blockchain

Go implementation of command line tools will allow you to connect your server to or run your application on the Ethereum blockchain

Ethereum CLI: https://www.ethereum.org/cli

Github: https://github.com/ethereum/go-ethereum/wiki/geth

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Embark build gives error "Couldn't connect to an Ethereum node are you sure it's on?"

I'm running embark on embark_demo project. embark blockchain / geth works fine & it says "account funded" but when I run embark build / embark run it cannot seem to find the ethereum node. Further it points some error at: Error: error connecting…
Vansh Badkul
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Using java web3j to create wallet but how then connect to private running blockchain?

I'm using the java web3j lib and creating a new wallet file using: WalletUtils.generateFullNewWalletFile() With: Web3j web3 = Web3j.build(new HttpService()); ... I'm connecting to my local private blockchain running geth. The question is. How can…
ArgV
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Exceeds block gas limit when deploy the smart contract local node

I have been working on Smart Contract development with the local node running. It worked two weeks ago, and I got an error when I tried to deploy the same contract to the same local node. The error exceeds block gas limit. I have a high gas in the…
DavidB
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Geth implementation with node JS on elasticbeanstalk enviornment

Hi I am working on node with geth it was running fine on my local machine but when i deploy it on elastic beanstalk server when I execute the geth.start code with require gethoptions i get EACCES error.
Ravi Verma
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Private block chain static time between blocks

I'm using geth to create a new private blockchain and I was wondering if there is a way to adjust the difficulty algorithm in order to have a constant time between blocks of around ~5 minutes instead of the standard 13 seconds. What section of the…
Tamir
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Connecting Metamask to private blockchain in Azure

I'm trying to connect to rpc in Metamask. Metamask keeps idling in the trying to connect unknown private network. Geth is running in a Linux Azure network. Its public IP is AzureIP Im sshing into the server, then I run the following command: geth…
39fredy
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How can I connect EthereumMist with Private-Network on mac

I made Genesis block and turned on with geth like this geth --identity "PrivateNetwork" --datadir "/Users/username/dev/ethereum/data" --port "30303" --rpc --rpcaddr 0.0.0.0 --rpcport "8123" --rpccorsdomain "*" --nodiscover --networkid 1900 --nat…
J.ho
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Ethereum deployed contract not defined in Geth Javascript console

I cannot access a deployed and mined Ethereum contract on a private network from the Geth Javascript console. Not sure where the issue is, any help is appreciated. Thank you in advance for your time. Scenario I launched my Geth as below geth…
user6102
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Ethereum geth cli is broken after running geth personal.newAccount() password

I'm on OS X. Following this tutorial https://medium.freecodecamp.org/from-what-is-blockchain-to-building-a-blockchain-within-an-hour-4e738efc819d I ran into some trouble where the author says to run geth personal.newAccount() in the geth…
Darren Littlejohn
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How to deal with fail chain on Ethereum?

I am building decentralized application which grabs data from blockchain to mysql database. I'm not sure, but I guess it is possible that one part of Ethereum network accepts newly mined transaction X and another part accepts mined transaction Y.…
user3184743
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Ethereum Error: authentication needed: password or unlock

0|server | (node:99208) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 53): Error: authentication needed: password or unlock This is happening randomly, sometimes the api call pass through successfully, and sometimes…
Ghassan Zein
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Ethereum blockchains not synchronized on 3 differents computers

I have an issue with Geth, I want to compile and deploy a smart contract, and in order to do that, I have added ether to my wallet. We can verify the transaction here :…
Jeff
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Error Starting Protocol Stack: Invalid arguement

I am currently trying to work with the geth and I want to start my private Ethereum Network so I can test my applications. However, when I try to use geth --datadir=./chaindata/ but that's only giving me some error in the terminal which I have shown…
Steve Sahayadarlin
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Geth failing to connect to private network

I am creating a private Network (Ethereum). I wrote out the genesis.json file (code below), I then initialized it without error, but when I try to connect to it, a new line is created (implying an additional command should be specified). When I…
Ryan Cocuzzo
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Getting block details based on timestamp

I am trying to tackle an issue of getting the block details based on the start date and end date using JAVASCRIPT, Geth1.4.11. WHAT I WANT ? I want to get input of Start date and End date from user and using that start and end date i need to search…
Hem M
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