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Questions tagged [synchronization]

Syntonization is the process where your node / client (geth, Ethereum Wallet, etc) receives the most up to date data from the Ethereum blockchain.

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Node synchronization stopped

I'm trying to deploy the Sepolia RPС node, as if everything was fine, but the synchronization stopped. Besu version 24.3.3 Configuration: Network: Sepolia Network Id: 11155111 Data storage: Bonsai ...
Pavlo Tsisar's user avatar
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How to monitor geth synchronized data?

I am using snapshot synchronization mode and have been synchronizing for almost a week. The geth client output is as follows: and the lighthouse client output is as follows: I checked that 1.5T of ...
muxi's user avatar
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When using geth to synchronize with ligthouse, the ligthouse client reports the "Failed to get remote head and new block ranges: EndpointError"

When using geth to synchronize with ligthouse, the ligthouse client reported the error "Failed to get remote head and new block ranges: EndpointError(FarBehind), retry_millis: 60000, service: ...
muxi's user avatar
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1 vote
1 answer
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Frequent forks dilemma in old ethereum(when it was only POW)

Decreasing block time causes more transactions to be processed, but that also causes frequent forks. frequent forks have 2 downsides: hashrate is wasted and 51% attack becomes easier. In the very ...
Neo's user avatar
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Is Geth syncing?

I started a Geth instance in snap mode, it's been running for 3 days now. The log is constantly showing: Feb 23 19:01:01 ns516963 geth[36263]: INFO [02-23|19:01:01.940] Forkchoice requested sync to ...
Daniel Martín's user avatar
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1 answer
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How to discover enode addresses on local network (in private test network)

how i can broadcast a enode address to another physical machine on the same network, in geth take for example, this as my enode address: "enode://...
Muhammad Yasir's user avatar
1 vote
0 answers
33 views

Samsung 870 QVO 8TB - Erigon archive

I read that despite being an SSD with 560mb/sR and 530mb/sW this QVO is poor at syncing Eth nodes. I don’t need it to be a fast sync and I don’t mind it taking a while to sync and archive mode from ...
user1202278's user avatar
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Bootnode issue of unknown peer

When I am running a bootnode on AWS for a private blockchain and creating it, multiple peers are pinging it. What issues can arise, and how can I prevent other peers that we haven't connected from ...
Mustakbil Pakistan's user avatar
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2 answers
19 views

Im trying to have a company send me ETH, but they saty they cannot "sync" with my Metamask wallet until it shows or has a transaction record. Correct

I have an incoming transfer that the sending person it saying that to sync with my Metamask wallet, the wallet has to show a transaction record. Is this true and how does that work?
Mark Spencer's user avatar
1 vote
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202 views

GETH - BAD BLOCK : Error: invalid merkle root - Transactions and block stuck in pendings

I'm having problems with geth when I try to send transactions on my private blockchain being developed using Geth. Practically a block is blocked in pending with around twenty transactions inside it ...
AlexCav's user avatar
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1 vote
1 answer
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Do new clients necessarily need to connect to archive nodes?

I understand that when a new client starts syncing the Ethereum blockchain, they have to recreate all previous states for each transaction starting from a particular checkpoint (in geth, this depends ...
Paul Razvan Berg's user avatar
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120 views

Geth node: How long it will take to complete "State healing in progress"

Jul 06 17:30:38 65-109-20-116.ptr geth[559458]: INFO [07-06|17:30:38.945] Syncing: state healing in progress [email protected] slots=112,[email protected] [email protected] ...
Sebastian Ross's user avatar
1 vote
0 answers
25 views

seeing the latest block while running a node

prysm has no option of snap or full sync as far as I know but geth I snap synced then at 99% switched to full sync for command line params... sync is sitting like 99.998% does it ever fully sync ...
meanthatmuchtoyou's user avatar
1 vote
0 answers
645 views

prysm beacon lost sync or re-sync after shanghai upgrade [closed]

My node has been down for the last 2 days and seems to be resyncing or now falling behind after Shanghai change, is this normal do I simply wait it out? I did a pre-upgrade before the change ...
Gerard's user avatar
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2 votes
2 answers
1k views

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-...
kakakakakakakk's user avatar
1 vote
1 answer
99 views

On-Chain-Off-Chain Synchronization

What are the best ways you have come across (or are doing) to take on-chain data and create off-chain data while avoiding synchronization bugs? I am interested to see multiple approaches to this as I ...
AAMCODE's user avatar
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1 answer
540 views

Sync Erigon to Geth

I have a geth server running on local with dev chain. I would like to sync an Erigon node with the geth server. I tried passing the geth enode address as staticpeer to the Erigon server but the ...
jahr's user avatar
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1 vote
1 answer
603 views

Geth reports it is synced when Lighthouse Beacon is not synced

My lighthouse beacon node is still syncing, but if i go to the geth console to check if it is synced I get: eth.syncing false Is this normal behaviour? Or is my setup wrong? [ is there another ...
Will B's user avatar
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2 votes
0 answers
171 views

What is the difference between snap and full synchronization?

I would like to know about the differences between snap sync and full sync in as simple words as possible. For example, what commands cannot be executed when using snap sync versus full sync, or ...
Cosmo773's user avatar
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55 views

How to copy all account balances from main network to a private chain?

So I want to have a playground where all accounts have same balance as on mainnet, yet I do not have access to a fully synchronized node. All I want are account-balance pairs to be synchronized, no ...
Blender's user avatar
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2 votes
1 answer
932 views

Geth has connected to 3+ peers but won't download blocks

I'm trying to run a geth node on my machine. Yesterday I had troubles with finding peers. Today for some reason I'm connecting to many more peers but none of them seem to be willing to serve me any ...
Paymahn Moghadasian's user avatar
1 vote
0 answers
46 views

Why does my Geth full node stop working when it is out of sync?

I am using geth (with Lighthouse as consensus client) to work on the Göerli testnet Whenever i am trying to use the localhost RPC (127.0.0.1) or the IPC in my dApp, if my node is a few blocks behind ( ...
Muhammad Yasir's user avatar
4 votes
2 answers
6k views

Geth does not sync - Proof of Stake

I am trying to run full node on Ethereum mainnet; however, I believe geth doesn't sync. I started the GETH client with geth --ws --http --http.api eth,net,engine,admin,txpool --authrpc.jwtsecret jwt....
Emrah's user avatar
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1 vote
1 answer
3k views

How to speed up prysm sync?

I am using prysm as consensus client to sync; however, it is taking a while to sync from genesis. Is there a way to speed up?
Emrah's user avatar
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5 votes
2 answers
3k views

Consensus Client vs Execution Client

Since the merge, the execution client (such as Geth) is insufficient to run full-node on Ethereum. You also need Consensus Client (such as a lighthouse). Whats the difference between them? Which one ...
Emrah's user avatar
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1 vote
0 answers
308 views

Slow sync speed of geth

it seems that my geth sync speed is very slow (5 blocks per minute), and it needs to process 30k blocks to get up to date, which will take forever, as it currently syncs slower than new blocks appear. ...
Vlad's user avatar
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1 answer
536 views

Sync failed from archive nodes even after reset blockchain on private network

I am currently suffering from sync fail issue while running my own private network. Over 20 nodes were fully connected each other and running consensus (or mining) as archive mode, with full sync mode ...
shyunku's user avatar
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4 votes
3 answers
4k views

Checkpoint sync source for Ethereum beacon chain node

Ethereum beacon chain nodes like Lighthouse and Prysm offer checkpoint sync to get the node synced faster. How can I get a node that I can pass as --checkpoint-sync-url to lighthouse so that I can ...
Mikko Ohtamaa's user avatar
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1 answer
35 views

How wallets sync blocks after consensus happen

i know that when user submits a transaction that transaction is then sent to all their peers by following this protocol https://github.com/ethereum/wiki/wiki/%C3%90%CE%9EVp2p-Wire-Protocol. Miners ...
Panagiotis Drakatos's user avatar
1 vote
0 answers
30 views

How to listen only to fresh events on private besu blockchain?

Is it possible to listen only to new events by Besu plugin, and bypass events, that are coming when synchronizing a node to a blockchain? I use Log listener to listen to incoming events.
Maciej Łoziński's user avatar
1 vote
0 answers
72 views

Where can I find the disk size required to run a full node?

I found the full node sync size for mainnet here: https://etherscan.io/chartsync/chaindefault But I'm unable to do it for testnets: https://rinkeby.etherscan.io/chartsync/chaindefault How can I find ...
daisy's user avatar
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2 answers
311 views

geth follow invalid fork in ETH chain after 15050000 block

I was using an old version ( 1.10.13 ) of geth to run my full node. I didn't update my node to new version before block#15050000. and notice that it stop syncing at 15050010. when I check I found that ...
Ashian's user avatar
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1 vote
0 answers
90 views

Can't full sync node

My node can't catch up actual block, it stays around 70-100 block to latest block. I installing node on Windows10. In logs what i see in geth.exe it show me what i am importing a latest block headers, ...
relict's user avatar
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0 votes
1 answer
30 views

How does a miner know when to start mining. Given the miners are geographically dispersed, how all of them start mining together?

When the transactions are sent from A to B, it can reach a miner (M1) first and other miner (m2) later then does (M1) starts mining instantly? And how many transactions are required for a miner to ...
Vikram Pandey's user avatar
1 vote
1 answer
28 views

Are there off-the-shelf solutions/services for receiving events from smart contracts on the server?

am working on a project where I need to catch events from smart contracts on the backend. Are there any solutions or services that help to catch events and pass them to the backend? The main ...
Dnebl's user avatar
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1 vote
1 answer
2k views

Geth State Heal - When does it stop?

I've been trying to sync my Go-Ethereum node in snap sync for a while. It completely downloaded all of the block headers in ~3 days but is currently stuck in the state heal process. There are over 197 ...
cpix's user avatar
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0 votes
1 answer
27 views

how blocks are selected during the process of IBD

From what I understand during the Initial Blockchain Download we are connecting with other peers and download blocks which they are sharing with us. Two things comes to my mind. First - are we ...
bridgemnc's user avatar
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1 vote
0 answers
599 views

Geth --syncmode full takes too long

I'm trying to synchronize a full geth node and after 3 days of synchronizing in a 2TB Samsung SSD with great internet connection, I'm at ~40%: > eth.syncing { currentBlock: 5793255, ...
Jacob Krieg's user avatar
0 votes
1 answer
1k views

Disadvantages of geth's snap sync?

I've been researching Ethereum execution clients and it seems (please do correct me if I'm wrong) that currently geth's snap sync is by far the fastest and most widely used. So my question is, what ...
MMasterMMind's user avatar
0 votes
1 answer
29 views

link metamask wallet to my shopping site

I have an nftmarket site. How do I link Metamask wallet to transact on my site. Artists will sell nft through my site, so how do I connect the metamask?
halit yılmaz's user avatar
1 vote
1 answer
2k views

Geth node switches to snap sync instead of using full sync

I'm starting my geth node with --syncmode=full, but I immediately get WARN [...] Switch sync mode from full sync to snap sync after starting. I have previously run a node in snap sync mode on this PC,...
WhiteHawk7's user avatar
2 votes
1 answer
170 views

geth 1.10.15 where is syncmode --fast

Setting up geth 1.10.15. There are only 3 syncmodes: snap, full and light. There is no fast anymore What is snap? Is it the same as fast. To get it to run fast I use full or snap Thank-you in ...
devprime's user avatar
1 vote
0 answers
65 views

How to increase block time in a fork of Ethereum?

I have questions about blocktime, please answer the ones you can. Help very appreciated! Do you know if it is possible for ethereum forks to increase the 15s block time to for instance 1 min block ...
Kevin Wad's user avatar
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0 votes
0 answers
922 views

Geth: err="chain not synced beyond EIP-155 replay-protection fork block"

I think that my ethereum-client is fully synced (eth.syncing): { currentBlock: 14120968, healedBytecodeBytes: 142718, healedBytecodes: 17, healedTrienodeBytes: 1636523253, healedTrienodes: ...
Martin Dallinger's user avatar
2 votes
1 answer
4k views

What's the ancient folder in Geth?

I'm new to the nodes world and i'm trying to setup my own with Geth on Windows. I was wondering what the /ancient folder does for the Node. Please correct if i'm wrong, but synthetically this is what ...
Mattia Monari's user avatar
0 votes
1 answer
179 views

Some json-rpc requests are not served by a possibly unsynced full node on localhost

I want to make some JSON RPC calls to my rinkeby node, which I have set up via: $ geth --rinkeby --http --http.api personal,eth,net,web3 --cache=4096 --http.port 3337 I seem to have problems ...
Marlo's user avatar
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3 votes
0 answers
1k views

"Head state missing, repairing" after private network crash. Any way to recover the blocks?

I'm running a small PoA private network (2 nodes, one signer, one for API purposes). Yesterday, the system both nodes are running on crashed due to an unrelated issue. As a result, both geth instances ...
jbyers44's user avatar
1 vote
2 answers
978 views

Sync from snapshot

I'm trying to do a sync on geth node from snap for 7 days, however that never ends. so That's filling up my SSD that has 3TB (currently It is using 76% from my SSD) and I think that's not normal my ...
kraune's user avatar
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0 votes
0 answers
1k views

I updated my geth instance to 1.10.12-stable, but after update it is not syncing anymore

I updated my geth instance to latest stable version (currently 1.10.12). After it stopped synchronization. It loads new data, but the data is not synced. When I attach to geth console. Here is the ...
Armen's user avatar
  • 13
1 vote
1 answer
350 views

Where does geth download it's data, the actual blockchain state?

We know that we can sync with current blockchain status with geth, for example, or any other similar things. If I run geth in console I can see ... INFO [11-16|22:27:56.602] Imported new block ...
Ivan's user avatar
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