Questions tagged [nodes]
A node is a machine which is running an Ethereum client. It synchronises the blockchain with other nodes in the network, so that they all have the same definitive copy. A node is needed to send and receive ether and to executive DApps.
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Setting up a Chainlink node in a Docker container on MacOS (Documentation Issue)
I've gotten most of the way through the LINK docs on how to build a chainlink node in container and the only issue I have not been able to trouble shoot is this error I keep getting in my ZSH terminal ...
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Is it possible to distinguish full nodes vs archive nodes without using RPC calls?
I was wondering if there are ways to distinguish Ethereum full vs archive nodes without using RPC calls to ask for old state information.
This is helpful because lots of nodes have RPC disabled so you ...
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Need an advice about a stable RPC Provider (doesn't have to be free) [duplicate]
Need a full ETh Node, please share a good RPC provider with stable connection and not enou
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How much ram is needed to run an ethereum node?
Furthermore, what does running an ethereum node mean post-merge? Running an execution node, consensus node, or both, and in what combinations, do the execution and consensus nodes talk to each other ...
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Facing issues while running Chainlink node on XRPL EVM Sidechain network
Basically, I’m trying to run a Chainlink node on XRPL EVM Sidechain network.
Here's the content of the config.toml file that I'm using:
[Log]
Level = 'warn'
[WebServer]
AllowOrigins = '\*'
...
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Running beacon node using prysm
I was running Running beacon node using prysm with the following command:
~/Documents/microverse/BlockChain\ and\ Web3/mynode/sepolia/consensus/prysm/prysm.sh beacon-chain --execution-endpoint=http://...
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Creating address using Clef JSON-RPC without manual Confirmation on Clef
I am trying to create a new account using clef on my ETH node. I am using clef JSON-RPC
{"id": 1, "jsonrpc": "2.0", "method": "account_new", "...
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Oracles supporting Polygon Zkevm
Are there any oracles present at the moment supporting smart contracts to securely retrieve data from conventional APIs (not data feeds) through HTTP(S) GET and POST calls.
We have looked into Witnet, ...
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($10 ETH Bounty) Base Chain - My submitted transaction is always 2 blocks behind the current block
For some reason whenever I submit my transaction it is always included 2 or more blocks behind the current block. There's an address that always has their transaction included in the same block as the ...
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Replaying transactions in hardhat node forked at earlier block
I am attempting to get the historical state of the chain within a block. That is, it is straightforward to use hardhat to fork at an earlier block but I want to be above to move up an arbitrary number ...
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how can i connect to ethereum p2p network without node? [closed]
Is it possible to connect to an Ethereum P2P network without running a node, and if so, how can one accomplish this?
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Is adding a new feature to a Ethereum client, without altering consensus rules, a creation of a new fork?
So, if I add new features to my Ethereum client like new ways to Incentivize validators and nodes without altering the consensus rules, and 5 people start trying my Ethereum client, becoming nodes, ...
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Question about node performance on listening event of contract
what is the best way to listen new event emitted from contract with smallest delay? Other third party (Infura, Alchemy) is good enough or I have to run a new node ? ( as i know until now, public node ...
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Not receiving attestations on Gnosis Node
I have an Avado i7. I have been running two gnosis validators nodes for over one year. Starting around June 12-14 I stopped receiving attestations rewards. I followed the guidance of the Avado ...
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How to create a Mumbai Faucet
I want to create a Mumbai faucet to deliver Matic to people.
To be able to do that I guess I need to set up a mining node so I can get Matic for validating transactions and them give this coins to ...
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Can you run an Ethereum node with a USB 3.2 SSD?
I've not seen much discussion around running an Ethereum node with an USB 3.2 SSD, like this one, with ~1050MB/s read/write speeds and 2TB. Would this work as storage for an ethereum node?
What about ...
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Beacon consensus client lighthouse syncing speed decrease every hour - might take 1+ month to sync fully
I am installing a full Ethereum node (for geth client only) in VPS Vultr.
Last time, I tried 4 servers with different prices. Because its syncing speed seems very slow so I changed (upgraded with ...
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failed connecting with virtual machine
I have 4 geth Nodes runnning on my PC
bootnode address is 192.168.1.2
the 5th node is running on Virtual machine with address ( 192.168.1.5 )
when i try to run the 5th node it doesn't sync with the ...
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Tips for installing multiple blockchain nodes?
we are developing a product that requires connection to several blockchain nodes. Our customers decided to assemble their hardware to install a full node on it. In this connection, we have a question ...
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Use multiple SSDs for single geth node
I am setting up a Geth archive node, and it take a lot of space, I have a few SSDs (each 1 tb), I want to configure get in a way that when SSD1 is full it should automatically continue storing new ...
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Is sharding already working in Ethereum?
I understand that sharding is a solution to prevent full nodes to be very expensive to run in terms of storage, as they store the state of every smart contract on chain (more information about this ...
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Geth, BSC full node sync "State sync in progress" stuck at 70%
I am doing a BSC full node sync using the following command:
/mnt/raid/bscdata/geth --syncmode full --config /mnt/raid/bscdata/config.toml --datadir /mnt/raid/bscdata/node --cache 32000 --rpc.allow-...
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HTTP requests limitation for an Ethereum Node
I have a fully synced Binance smart chain node with a proxy_pass to nginx for external request.
The problem that i have is the JSON-RPC return "null" if i process a large amount of requests.
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What is the size of Polygon Mumbai chain in GB?
I want to know the total size of the chain because I am running a The Graph Node on an EC2 instance and I have to allocate resources to that.
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increase the gas limit for read functions
hey guys this may be a broad question...
I'm writing a smart contract that recursively builds an svg image given a seed number. the function that draws the image is a view function so it doesn't cost ...
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Is it 100% guaranteed that a process that listens to blockchain events will receive them if they get emitted?
When a smart contract emits an event, if I am listening to them for example with an application that stores all events from that smart contract into a database, do I have the certainty that I won't ...
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What happens if 51% of validators in an epoch vote for an invalid block
Hypothesis
Full nodes that run both valid execution client and consensus-client would end up in a sort of deadlock and stop syncing. The consensus-client would try to feed the execution client with a ...
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How to determine ETH price of ERC20 token using my own full node?
So I have a contract address of an ERC20 token and I have direct access to a full node.
I want to determine the price of that token in ETH without making any external API calls and just by using my ...
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Can I turn a testnet node off every night?
I'm interested in running a EL+CL node on a testnet to aid development. Can I turn it off overnight?
I assume it de-registers itself gracefully from the network so I'm guessing the problem will be ...
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Chainlink Docker Failing to Create /chainlink/ directory
I am running into this issue "Error creating root directory \"/chainlink\": chmod /chainlink: operation not permitted" when running the Chainlink node docker.
latestimage=$(curl -s ...
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What is the relationship between wallet/accounts and Client Nodes?
For client nodes such as Parity or Beth, does every wallet or account have to be associated to a client node? My understanding is that the client node is the interaction to the exchange.
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Is mev-geth analougue to geth?
I was reading about ethereum node impementations and found something about mev-geth, wich is a fork of geth made by flashbots.
If i want run a node just to propagate my own transactions and query the ...
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Communicating with the Ethereum network without node providers
I am learning about the Ethereum network and I think I have a general understanding of how things work. One thing I am unsure about is the precise mechanism by which an external user that is not part ...
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How can I create a script that retrieves the transaction history of an address and organizes the information on excel?
I have address 0x389505f098a29a994A3ed0e674f07cd451dde42C and I need to create an excel spreadsheet containing all the transactions from 2022 (roughly 40,000). Cannot download the csv report from ...
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Why did the sync speed of the geth node drop?
my node synchronization speed has dropped a lot. If earlier 2048 blocks were stably imported in a couple of seconds, now (blocks from five years ago) the speed dropped to 30-60 blocks in 8 seconds. I ...
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Why does the light node not use static peers?
I'm running a light mainnet node. Since she can't find any peers, I added them via the console by taking the enode from here. All the nodes that I added are synchronized, however, even after adding ...
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How to set up a lightweight ethereum node?
I would like to find out if it is possible to configure an ethereum node on ubuntu so that it does not store the entire history of the blockchain, but only the last couple of blocks. All I need is an ...
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Hardware requirements to build a strictly QUERYABLE archive node?
I need to have a fully queryable and updating copy of the blockchain on my computer. I don't need it to be exactly synced to the blockchain, I don't need to validate the latest block, if it were a ...
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Range had no valid blocks to process with Beacon set up on Prysm
While setting up the beacon with Prysm, I am getting the error Range had no valid blocks to process
I am trying to set up the node for Ethereum. I would really appreciate the help. The official guides ...
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how can I fork Ethereum and turn it into my own sidechain how can I build my smart contracts in it?
how can I copy Ethereum source code and node software client to modify the data structure to turn it into my own sidechain and how can I build smart contracts in the sidechain so that the sidechain ...
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where to find the source code from Ethereum blockchain, EVM and Node software in Github? [duplicate]
i was trying to study the ethereum blockchain source code, Ethereum Virtual Machine source code and the node software but i can't find the source code in Ethereum github repository
(link: https://...
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How many GB is the ethereum Blockchain goerli and other testnets?
How many GB is the ethereum Blockchain goerli and others testnets?
I could not find this information for testnets, if anyone knows this info using diferents sync modes in Geth (snap, full and archive) ...
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Creating a test blockchain that can sync with other nodes
I'd like to create a test Blockchain to experiment on Liquid staking.
It would require to have several nodes to be able to sync together and have several validators on this testnet.
However the only ...
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Create a ethereum node with "current state" snapshot used for read only research?
Is it possible to run an ethereum node which doesnt sync to anything and only stores the latest static state of the blockchain when it was first installed.
The reason for this is i want to be able to ...
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Is it technically possible to mine specific transactions? Like ones made inside a club
playing with this thought experiment.
Would it be possible that miners get to choose the specific transactions they would want to mine before another miner?
Scenario:
You create an NFT marketplace ...
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Why Ethereum Private Network shutdown after sometime
I'm running Ethereum Private Network but sometimes after 10-15 hrs it gets stopped by giving the error attempt authentication failed.
How can I make sure my node is continuously running?
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Why would someone want to run an Ethereum node?
Is there any financial incentive to run an Ethereum node, or is it primarily for data gathering? Does running a node always preclude the responsibility of validating blocks?
If someone's only ...
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Is it good practice to call my ethereal node from Client?
I am developing a NFT marketplace and I have the basic workflow set up
Now I am wondering whether or not the client should be able to call my Ethereum node (in the picture called Blockchain) directly ...
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Does sync mode matter for TxPool monitoring?
I'm planning on setting up a Geth Node to monitor the txpool.
I know that more nodes spread out geographically means you will receive new transactions quicker, but does the sync mode have an effect?
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Verifying Transactions before Finding Nonce
I am trying to learn theoretical fundamentals of Blockchain.
In PoW, the miner who finds the nonce first gets to create next block and all other nodes add that block.
Now, what I don't understand ...
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