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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eth.getBalance returning 0 due to syncing problem in rinkeby [duplicate]
when I am running eth.syncing it is returning false and when I am running eth.getBlock("latest") it is returning number: 8290864, with some other data. Which is less than Block Height ...
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eth.syncing is falling behind
I lost internet connection for about 5 minutes and my full node was disconnected. At first it was about 500 blocks behind and looked like it was catching up. Now every time I check:
eth.syncing....
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txpool.content return empty object
I opened a full node successfully (I succeed getting data from e.g eth_getTransactionByHash).
I'm trying to get all pending transactions, but I get:
> txpool.content
{
pending: {},
queued: {}
}
...
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Local full node is one block behind mainnet after sync is completed
I just created a local Binance Smart Chain full node on my PC with the following specs:
OS: Linux running on Windows Subsystem for Linux
Storage: 1TB SSD (Samsung 980 Pro)
CPU: AMD Ryzen 7 5800x
Ram: ...
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High Block Validation
Suppose node A is running on height 2000. Node B sends to node A block with height 2002. Node A is not able to validate the block without having a block with height 2001. How does node A behave in ...
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Highest known block in the peer network - permissioned ethereum network
We are starting to define the best metrics to monitor a permissioned Besu network.
One important point to monitor is the block height of a node and from other nodes in order to discover if the node is ...
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What should be done first: extract snapshot or create genesis?
bsc documentation describes a method of accelerating creation of a full-node using a snapshot.
However, it is not clear in which order these commands should be executed and if it makes any difference:
...
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What's the reason at block says 0?
I am trying to setup bsc node following the official documentation.
Here is what I have so far:
Downloaded snapshot and extracted contents to /srv/node
Wrote genesis state locally:
geth --datadir node ...
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Work with local copy of Ropsten without syncing
I have used Geth to successfuly download (and sync) with Ropsten network. Is it possible to use downloaded blockchain (reading blocks with Geth) without syncing with Ropsten? I would basically like to ...
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Ensuring correct block order with subscribe on “newHeads”
I have an issue with processing new blocks through a WebSocket connection on a local node. Sometimes I receive multiple events with the same blockNumber but different blockHashes.
I understood from ...
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geth: does --gcmode=archive require --syncmode=full?
I can't seem to find a straight answer to this question since snap is relatively new.
I'm currently running geth 1.10.3 with --syncmode snap and --gcmode archive, but i'm beginning to think that ...
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Ropsten light node block number ~1000 greater than it should be
I'm running geth on Ropsten, using
geth --ropsten --syncmode "light" --http.addr localhost --http.port 8545 --rpc
My most recent block number is 10266786 (and increasing), whereas etherscan....
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Does verification of a world state require downloading the whole ethereum blockchain?
Lets say I'm a new node on the Ethereum network, I download a world state of 500 blocks ago and I download the blockchain from that point to present (500 blocks).
Can I verify that the world state I'...
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Geth syncing, how to keep on par with the network in syncronized blocks
I am trying to get data from the last block via my own local node. I do this by calling the RPC API on my node.
the issue I have is that the node is not fully synchronized and is never fully ...
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computer configuration for connecting eth 50 or more nodes
I'd like to rent a server to run eth client ,but I am not sure what the computer configuration should be?In my local pc ,I can only connect less than 10 nodes and failed in sync.If I want to connect ...
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RPC returns 0x0 after sync
binance smart chain v1.0.7
When new node complete syncing, RPC returns 0x0 values few hours.Can I fix that? Please help me
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Q: How long does table compacting take?
I was doing a full sync with geth 1.9.22-stable. The sync is paused and the blocks are stuck at sometime on April 15th.
The log contains the following lines:
10:30:13.672838 table@compaction L0·173200 ...
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I can no longer access old blocks via RPC in full syncmode?
I have a private network based on geth v1.9.25. I upgraded from v1.8.27. Recently, I saw that I'm unable to access the previous blocks at all. Like, e.g. eth.getBlockByNumber(1) gives me null, even ...
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Ethereum network Sync up with Matic network
We are able to deploy our ERC20 token into Matic Network and it is working fine. But we have few questions here to understand how Matic works with Ethereum Mainnet
Once the contract is deployed in ...
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Exactly what data does snap sync download?
Geth 1.10 introduces snap sync, faster way of syncing the blockchain. What data does snap sync actually download? If I run a snap sync with --gcmode archive will I end up with an archive node?
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Ethereum Bucket Synchronisation
The normal operation of Ethereum and other blockchains is to Store new transactions in a mempool, Distribute the bucket, and then mine contents into a block picked from the bucket based on priority of ...
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Unable to synchronize with Ropsten testnet with Geth 1.9.25
For the past two days I've been trying to synchronize with Ropsten testnet using the following command in Geth 1.9.25:
./geth --ropsten --rpc --rpcaddr="0.0.0.0" --rpcapi="eth, web3, ...
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Running --no-ancient-blocks on a synced node
I have an up to date OpenEthereum node that is taking a long time to sync it's ancient blocks, Which has left it syncing a batch of ancient blocks, while falling behind, then syncing up to date. Put ...
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When the ETH node receive a new block ,which will be verified?
I know that when a node receives a transaction, it can verify the RLP format, transaction signature, gas and account nonce value, but I don't know when the node receives a new block, whether will it ...
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Fast node can't cacth up, how to find whats slowing me down?
I'm running a geth fast node but I can't seem to catch up.
I did it using a ubuntu in wsl (windows) and everything is on a SSD.
However when I do eth.syncing.highestBlock - eth.syncing.currentBlock it'...
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Synchronization Fraud Protection
Suppose I want to synchronize my chain. I download the blocks and state from a Node. What if this node is malicious? It can give me an alternative chain that I won't be able to distinguish from the ...
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How many new nodes join the Ethereum Network per month? How many leave?
I'm researching the cost of serving old blocks to new nodes that need to synchronize and download the whole blockchain. I can indirectly estimate the bandwidth consumed to serve old blocks, if I know ...
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Geth/Parity node - When is a new block imported
Based on my observations and also on block-timestamps-vs-received-timestamp, I suppose that a block "n" is imported into geth or parity node, only after a block "n+1" is mined.
Is ...
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Should I use Parity instead of Geth?
I've been trying different things to get Geth to get a fully sync'd Geth node for the past two weeks on a host with 4 cores, 16G of memory and 2TB SSD, to no avail. The only time I get close to being ...
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How can I download the entire Ethereum blockchain?
Is there a way to "get" the whole ethereum blockchain in order to process it locally? For example a link for direct download or via a developer API?
Thanks in advance!
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Error in DNS random node sync // lookup les.mainnet.ethdisco.net on ANY-dns-server:53: server misbehaving
The Err:
TRACE[02-03|13:52:02.589] Updating DNS discovery root tree=les.mainnet.ethdisco.net err="lookup les.mainnet.ethdisco.net on 192.168.20.1:53: server misbehaving"
DEBUG[...
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geth.exe checksum is differant than what is writen on the website but the installers checksum is correct. is this an issue?
I started syncing geth with this command he command:
geth --rpc --etherbase <pulbic wallet adrress> --syncmode=fast --cache=2048
and about 25 hours later, the syncing stopped and this error ...
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Open Ethereum Syncing
How do I know if openethereum syncing is done and what should I do next?
This is what my current state looks like
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Why Openethereum sync strategy is not the same for different machines?
These days I ran several ETH nodes using openethereum (3.1.0 stable ) . All these node has the same config, same system ( ubuntu 20) , same SSD storage.
I found a strange thing: they have different ...
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What does this mean?
First time server owner, geth n00b. I am getting this back from my geth.
INFO [12-09|15:30:57.673] Imported new state entries count=2304 elapsed=27.988ms processed=597390231 pending=...
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How to convert geth arhive to full node without loosing intermediate state
We have a geth node that runs with --gcmode "archive". However, the recent growth of disk space is unsustainable and we want to change this to a full node. If I stop the node and just re-run ...
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can a node mine without download all of the blocks
if there is a node which doesn't have enough disk space, can i mine without download all of the blocks?
i wonder if i can mine ,with just downloading the latest states of ethereum? but i'm not sure ...
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Ethereum Wallet - Hangs at startup + 403 ws error
I have installed the Ethereum Wallet, Ethereum-Wallet-win64-0-11-1 (zip file), as described in the book. When I start up Ethereum Wallet (testnet Ropsten, syncmode “light”) the wallet seems to load ...
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Error syncing new node on private network:no peers available or all tried for download
I am currently trying to run a test node, which recently failed. I have deleted the directory and copied another node's AND tried a reset of the directory but at some point it freezes with this log ...
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What is my progress towards full sync?
I somehow is running geth with full sync.
>geth --syncmode full --datadir F:\ethereum-full --keystore F:\keystore --port 30303 --nousb
INFO [09-28|10:38:47.956] Starting Geth on Ethereum mainnet......
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What is the criteria to resync chain using proof of stake?
In PoW, nodes always resync their own chain to the longest chain in the network in order to respect the work the miners have done. In PoS, as I understand in its simplest form, the miner with the ...
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solidity equivalent for new thread
I want to create a contract, which has a deposit function.
But I also want, in the constructor, to start a "thread" that polls an external data source (via oraclize/chainlink or similar) at ...
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Node not syncing on Private Blockchain
Node 1 is mining but Node 2 is not syncing
Running admin.peers on Node 1 gives:
Running admin.peers on Node 2 gives:
Both Nodes are using same genesis block
When starting console on Node 2 I used --...
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Can I stop geth when it is halfway done and restart it without loosing all the first half of data?
I have started geth (fresh install) using this command:
geth --datadir "my/path"
I'm halfway done with sync and would like to restart my PC.
Will I loose all the data accumulated so far or ...
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openethereum node disk usage
Using openethereum to sync the eth blockchain, after synced and now the disk space keeps growing 20G per day. The .log file in the db folder keeps growing. After restarting the node, the space will be ...
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Why does ethereum chaindata sometimes sync while syncing?
I am doing a fresh geth 1.9.18-stable sync, which I believe is fast by default. I am keeping an eye on the size of the .ethereum/geth/chaindata/ directory and have noticed that it does not increase ...
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blockchain sync failed and stuck
My machine was crashed and rebooted, but after rebooting, geth sync repeatedly failed at a block, I checked the block number, hash is right though, what should I do?
INFO [08-08|09:54:23.184] ...
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Why is my full node stuck always out of sync?
I have a 16g ssd ubuntu, I run the command:
geth --ropsten --syncmode=full --gcmode=archive
Checking the "eth.syncing" in the console attached, I get always current block is ~100 blocks ...
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block syncing current is smaller than starting why?
I'm sync the chain after a power cycle, so current is behind highest for sure, but I also saw that current is falling behind starting block number, how is this possible? starting is the highest on ...
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What is the best way to store data/information while writing smartcontract?
Smart contracts are immutable. Unless we're 100% sure that our smart-contract is fully functional without any exception we never want to push that in the main net. That's why we have public test net.
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