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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Mainnet sync Broken
I am having a Mainnet on Azure VM which was syncing the network as expected, but mean while after adding Ropsten network syncing on the same VM simultaneously I'm facing problem with Mainnet sync ...
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Delay on receiving block by peered node
Sometimes it takes an around of 25ms to import new block by the other peered node after mined by miner. But sometimes it increases directly around 400ms to import block by peered node after mined by ...
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Full node - keep full state from block N onwards?
I'm setting up a Dapp which talks to a private Parity node. I have recently ran into problems when I run the node with the --pruning=auto option because some state was unavailable giving me the error:
...
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Known states for testnet on fast sync mode Nov - 2018
Whats the current knownStates for testnet on fast sync mode Nov - 2018
Is there an online service which provides the current states of the ethereum testnet.
It been several days and --testnet fast ...
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Geth is not syncing: a lot of “Setting new local account” in logs
Out Geth server stopped working and currently it's generating a lot of logs like this:
ethereum | INFO [11-14|04:12:28.796] Setting new local
account
address=...
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1answer
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Who is providing the syncing and bootstraping services on ETH? Do they get paid?
I understand that a node can request synchronization from the network. But who is fulfilling those requests?
How are these requests sent out? Are they sent to the entire network or 1 specific node?
...
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Syncing with Mainnet/Ropsten blockchain
If use gethcommand,then the node starts to sync with Ethereum Mainnet by default.If usegeth --testnet --networkid 3 --datadir <testnetdatapath>,then the node will connect to Ropsten.
How does ...
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Spoofing of totalDifficulty variable
Péter Szilágyi, in his talk in Taipei, claims that totalDifficulty can be spoofed:
https://www.youtube.com/watch?time_continue=575&v=qJA6J0mP73w
How is that possible? Can the variable only be ...
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Total number of state entries
I am syncing my ethereum blockchain using the default syncmode. I want to know how many total state entries are there because currently the highest block is 6544578 and the number of pulled states i.e....
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1answer
58 views
Syncing events on Database - Dealing with blockchain reorganization
My Dapp relies on live events synchronization on a centralized database. There is always a server side script polling the blockchain for new events, parsing then and do the corresponding operations on ...
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1answer
44 views
Syncing on Ropsten taking too long
I am running geth on a debian system and on testnet ropsten.
However I notice it's not always fully synchronized. Is this due to the network, the program, or the machine itself?
It's always about ...
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2answers
38 views
Transaction rolled back and re-mined later?
A few hours ago, I was testing my dapp on ropsten and something strange happened.
I sent a transaction (A), to the blockchain, it got mined and my server synced it. Then 30 minutes later, I sent ...
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ERROR[10-06|12:16:29.143] Section processing failed
I am to sync ethereum blockchain on Ubuntu 18.04, 64 bit using command
**geth --datadir "/home/maham/Ethereum/EthereumMainNet" --cache 6144**
After nearly 11 hours of syncing it stopped with the ...
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1answer
177 views
Synchronisation failed, dropping peer; err=“retrieved hash chain is invalid”; message loop
I have clique private proof-of-authority chain.
I have updated all signer nodes' (currently I have 3 signer nodes) geth version to minimum Version: 1.8.16-stable. Also I have updated the other node ...
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1answer
36 views
Retrieving transaction hash in all blocks after fast sync
I have set up an ethereum node using fast syncmode. I want to retrieve all the transaction hashes and the recipient between a range of blocks, let's say 0 - 13000. Will I be able to retrieve the ...
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Syncing errors with Clique (PoA)
When I link a new node to our private PoA (Clique) netwok, I often get the following error:
WARN [09-24|05:12:12.446] Synchronisation failed, dropping peer peer=31dede80ae7d1155 err="retrieved ...
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1answer
31 views
How can I upgrade my GETH?
I have an application which is talking to my Smart Contract through GETH RPC.
In order to do so, I need to run my own node and sync it with mainnet.
The problem start when I need to upgrade my GETH. ...
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GETH gets out of sync from time to time
GETH tooks 6 days to sync, after that it will get out of sync from time to time. (PC is running with SSD, never shutdown, and network availability is 100% with 500mbps connection).
May I know how ...
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2answers
74 views
RPC connection to ETH Mainnet
Currently I am using GETH, but it is getting like 4~5 days trying to sync without success!
May I know any other ETH client which can provides RPC connection and able to sync with the mainnet fast?!?
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Official data about synchronization time
Are there in the literature or from the Ethereum community/foundation any official benchmark about geth (or any other client, e.g. parity) initial synchronization time (with both fast and normal sync)?...
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1answer
76 views
Can someone share your geth export file with me?
I need to setup an archival node ASAP but the download takes around 1-2 block per second. With this speed it will finish in 2 months (if it doesn't stall, but it does, I have to restart it manually ...
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What portions of the block are validated in Geth's --fast and Parity's --warp mode?
When I am syncing an Ethereum node using Geth's --fast mode and Parity's --warp mode, what portions of the block are being validated as they are being downloaded?
I understand that --fast and --warp ...
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download Ethereum blockchain
the blockchain now has 6,170,500 blocks. To speed up the download I'm using the method at https://mudra.cloud/ethereum/blockchain.html Is this the fastest method? Does anyone know another faster ...
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151 views
When syncing, the current block is 6154852 and eth.blockNumber shows 0 [duplicate]
I used geth to sync the blocks in mainnet, but the sync last for a long time.
eth.syncing shows the current block is 6154852, near the highest block. But eth.blockNumber shows 0. Why does this ...
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1answer
116 views
Private Ethereum blockchain does not sync last 65 block
I've successfully create a private Ethereum network, I've two machines on the same local network, the first one is where I've created the chain, the second should be a new peer that should sync with ...
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104 views
Parity - what --tracing and --pruning options use to get all blocks fastest way
I need download all blocks to be able to get all history transactions to create some statistics like mean Ether amount etc. Is it necessery to use --pruning archive and use ~ 1TB od disk? Or default ...
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1answer
52 views
archive mode very slow
I've a node that I'm trying to sync with:
--syncomode "full" --gcmode "archive" in order to address this needing Get a balance of an address at a certain block
Unfortunately things became soo slow ...
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Syncing ethereum upto a certain height and accessing information
I am using geth version:1.8.14-unstable. Is there a possible way to sync the Ethereum blockchain up to a particular height say 4 Million. Additionally, once geth-client is synced I would like to use ...
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1answer
288 views
“being full node” vs.“being sync” : Are they the same?
When we try to be sync using Parity or geth, Does it mean that we are trying to be a full node ?
And is it correct to say that:
being sync = being a full node = keeping the entire blockchain ?
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35 views
can't read past event logs
const event = contractInst.Transfer({},{fromBlock: 0, toBlock: 'latest'});
events.get(function (error, result) {
if (!error) {
console.log(result);
}
});
The get ...
1
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1answer
42 views
Multi node replication
In a multi node network, if one node is down (and a majority of nodes are up and running) for a period of time - say its down at block 100 block and rejoins when the network is at block 200.
Q1: ...
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2answers
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Basic Blockchain Implementation: how is the blockchain on a given node “synced” with that on another node?
Here's my understanding of the execution flow of blockchain:
Consider two nodes, node1 and node2. Let's say there are 10 users on node1. They're making transactions, but none of these are actually ...
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2answers
192 views
Why does the mainnet download take a long time? How can I improve this? [duplicate]
We have been working on integrating a ETH node to our e-wallet to enable ether transactions. We completely build the platform by connecting to a private Ethereum network.
Now everything is ready to ...
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50 views
Geth: Once you've synced a full (non-archive) node, it is possible to go back and regenerate the full state trie history?
I've spent weeks syncing a full Geth node, but for part of the way (about 100k blocks), I mistakenly neglected to set the gcmode=archive flag. So, for these blocks, the state tries are gone and I am ...
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1answer
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Is it possible to create batches of transactions without using smart contracts?
Scenario: Suppose that I have to make three transactions simultaneously to Alice, Bob and Claudia. Now the condition is if any one transaction fails the other two must also not go through.
Query: Is ...
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Parity create testing transactions and blocks
For test purposes, I would like to make test blocks including test transactions against main net.
For example I would like to make a transaction that sends one ether from 0x1234567... to 0x99999999......
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1answer
116 views
Syncmode = full, and still getting “missing trie node”
I'm running on Rinkeby testnet with this command (I resynced the whole blockchain with this):
./geth --rinkeby --syncmode full --rpc --rpcapi "web3,db,eth,net,personal" --datadir /.../
and after the ...
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1answer
259 views
How do I tell if initial geth sync is done in 'light' mode on testnet
I just installed geth on Windows 10. Then I did the initial sync in light mode on testnet, and my status is as shown on the screenshot below.
I have two questions (related):
How do I tell if the ...
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1answer
135 views
slow syncing Ethereum blockchain
I used
VM in Azure(1TB SSD, 16GB RAM,Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz).
Install geth.exe
Run geth --fast --datadir F:\Ethereum in cmd
blockchain still downloading it's almost more than 5 ...
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0answers
110 views
Sometimes dropping all peers
Sometimes geth can not find peers, in console I see a lot of messages "syncronization failed, dropping peer ... err ="retrieved hash chain is invalid." This can continue for 30-60 minutes, although ...
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1answer
88 views
Geth Mismatch of the highestBlock while syncing
While syncing on my Ubuntu 16.04 machine on ropsten yesterday the highestBlock matched the current highestBlock
> eth.syncing
{
currentBlock: 2587196,
**highestBlock: 3528808**,
knownStates: ...
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108 views
Parity: with 'warp' sync enabled by default, is there still any advantage in using fast pruning?
From Parity Ethereum Documentation:
Warp Sync is an extension to the Ethereum Wire protocol, which involves sending snapshots over the network to get the full state at a given block extremely ...
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Parity - Chunk size is too large
I'm trying to sync a parity node on mainnet, version 1.10.6 on AMD64 Ubuntu, but in the snapshot restoration I got this error:
Encountered error during state restoration: Chunk size is too large
Any ...
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1answer
34 views
Can Raiden Network transfers occur offline?
Since Raiden is off-chain, could I theoretically set up some channels among a group of local parties and conduct transactions offline via NFC, bluetooth, wifidirect, etc.?
Since it's off chain and ...
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1answer
103 views
How my node is sync with highest block number of block-chain in which block number transaction have done of some ether? [closed]
I am new to Ethereum block-chain.One question in my mind. I connect geth node to test network with "--fast and --cache=2048" parameters.So my node is sync is after 8 hours.And I successfully deploy ...
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117 views
Ethereum wallet doesn't show ether balance which is synced with rinkeby testnet
Ethereum wallet is connected with rinkeby testnet. I can see ether balance of the account on rinkeby testnet but it doesn't show up in ethereum wallet. Blocks are completely synced.
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3answers
252 views
Alternative of geth Ethereum Node
I am new to Ethereum block-chain.I am trying to syncing ethereum node in testnet(Rinkeby).I am using HDD for syncing geth ethereum node.I know it very slow to syncing.
So,Is it any alternative of ...
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79 views
Error: invalid chain id for signer on Ropsten
For past few daya , I am unable to sync the blockchain data on my machine with Ropsten network . I have upgraded geth to the latest version 1.8.10 stable . But this does not resolves the issue for me ....
3
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3answers
475 views
How to find the sync status of your geth node via RPC?
NOTE: this question has been marked as a duplicate of another question which is trying to get the status using CONSOLE. We are trying to get the status using the RPC API, which is different. In ...
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1answer
32 views
How to increase stored block states from 128 to 10 000 in Geth?
AFAIK Geth preserves states for the last 128 blocks by default. I would like to keep states for, say 10000 blocks (not turning myself into archive node). Is it possible?
