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.

Filter by
Sorted by
Tagged with
0
votes
0answers
110 views

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 ...
0
votes
0answers
10 views

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 ...
0
votes
0answers
18 views

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'...
0
votes
1answer
16 views

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 ...
0
votes
0answers
23 views

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 ...
0
votes
0answers
75 views

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 ...
0
votes
0answers
153 views

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[...
0
votes
0answers
29 views

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 ...
0
votes
0answers
527 views

geth full node taking forever to sync

For three days I've been trying to sync a full node. Syncing the last two days has taken about six hours a day. At this rate I won't be able to sync it. It's behind "age=3y8mo5d". This is the ...
0
votes
1answer
36 views

Fast synch mode slowed down after 200Gb

It took 2 days to get to 200gb on geth fast synch mode. But now im moving with approx 5gb a day with a decent internet speed around 100mb/s in Lan. I disconnected and now running on 25mb/s with wifi....
0
votes
0answers
49 views

How to duplicate a Geth server?

I have a Geth server which is fully synced, but the second server I have lunched cannot being synced after 2 weeks! I don't know why is this happening, but I decided to test another way. I setup a new ...
0
votes
0answers
361 views

How much more it will take for Ethereum wallet to Sync - 2019

I has been a week when I tried to Sync Ethereum on SSD VPS. Here are the details - Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): ...
0
votes
0answers
34 views

Geth returning balance 0 [duplicate]

I started my geth using fast sync first and then normal sync once it was almost synced. 'currentBlock' is not increasing since hour and 'highestBlock' keep on increasing. geth --testnet --rpc --cache=...
0
votes
0answers
22 views

Parity synced at not existing block 4839212

I have problem with parity, cant get synchronization in archive mode to end, anything, changing arguments, max-, min-, snapshot-peers, parity verisions do not help. I have blockchain in archive mode ...
0
votes
0answers
30 views

Why would a node stop updating chain?

I am running a private network and one node seems to have stopped updating its chain. It is stuck at block 264 while the others are hundreds past it. It is still connected to the network, but it has ...
0
votes
0answers
368 views

Can't catchup with Mainnet

16GB Linux, 512 GB SSD, mainly started for RPC purposes only. No mining activity. geth --datadir ./data --syncmode fast console --rpc --rpcport 8545 --rpcaddr "0.0.0.0" --rpccorsdomain "*" --rpcapi "...
0
votes
0answers
155 views

Unable to Synchronize raspberry pi node my private network

I have created a private network with 3 nodes - two nodes in computer and one in raspberry pi I connected computer and raspberry pi to same network through LAN computer ip: 192.168.122.1 pi ip ...
0
votes
1answer
102 views

Is it possible to call a Contracts function from a set setTimer? Web3JS

I want to be able to call a function of a contract every 60-120 seconds, in my JavaScript code I have a set timer that runs for down a timer from 120 seconds down to 0 by subtracting 0.01 every 10 ...
0
votes
1answer
95 views

Geth syncing fast Ropsten too long delays between importing new segments

i have a problem with my Geth Ropsten node. Time between importing new segments of chain is too long. For example logs from my docker container below geth-testnet_1_6d184080c9e1 | INFO [02-11|13:30:...
0
votes
0answers
129 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 ...
0
votes
1answer
725 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 ...
0
votes
0answers
147 views

Getting Errors while syncing of blocks (Ropsten network)

Today the block sync with Ropsten network on my machine is giving me following error :- ERROR[06-05|06:59:12] ########## BAD BLOCK ######### Chain config: {ChainID: 3 Homestead: 0 DAO: <nil> ...
0
votes
2answers
215 views

How block are validated in a private blockchain

I have running a private blockchain with 4 nodes, and when i'm creating my Dapp, i have specified for the web3 address only one node ( Ip; port, RCP) So, my question is , how the others nodes ...
0
votes
0answers
408 views

Can not sync to ropsten

I have trouble syncing to Ropsten. I have just upgraded geth version to 1.8.7, then i run the command to remove the old chain: geth --testnet removedb. Then the command: geth --testnet --syncmode "...
0
votes
1answer
2k views

Do you have to download all 'Imported new state entries' before syncing with the highest block?

I'm new to Geth... I'm performing a fast sync using the following command: geth --syncmode "fast" --cache 4096 I had been downloading block data until about 1000 blocks from the highestBlock. Then ...
0
votes
0answers
96 views

Runtime out of memory on RPi with ethereum node

I have a private network of ethereum with 2 miners on my PC and a node on RPi, after syncing it says: Fatal: runtime: out of memory The sd card is 16Gb and it should have plenty of free space, is RAM ...
0
votes
0answers
77 views

Gap in the block chain synchronization when interrupted

I was synchronizing the block chain with geth --fast --cache=1024. Then I got the message synchronization failed and I pressed CTRL+C because I had for some reasons to shutdown the VM [I am running ...
0
votes
1answer
3k views

How to force geth to sync? [duplicate]

Geth is refusing to sync the last 100 blocks on the ropsten testnet, is there a way to force geth to continue syncing from the console?
0
votes
1answer
487 views

eth.getBalance(eth.coinbase) = 0, node/client not fully synced yet

I just started to get my fingertips wet with Ethereum and Dapps. After receiving some ether on Ropsten to test with: https://ropsten.etherscan.io/address/0x05c86fc0ec0b80715f1cbc2fa96e86ba18e2eb90 I ...
0
votes
1answer
302 views

Rinkeby Ether faucet error [duplicate]

I got funded from the rinkeby faucet but it didn't show up in my wallet. Does anyone have an idea why the sync with the rinkeby blockchain stopped with just 218 remaining?
0
votes
1answer
534 views

Finding eth balance within geth [duplicate]

I'm pretty new to mining, but I hope someone can help me. when I use eth.syncing, I get this result: currentBlock: 1, highestBlock: 4884563, knownStates: 42878500, pulledStates: 42868030, ...
0
votes
0answers
210 views

Ropsten testnet connecting to fork before ropsten revival [duplicate]

I was syncing ropsten testnet using geth. Command used- geth --testnet --syncmode "full" At some time, eth.syncing returned- { currentBlock: 353883, highestBlock: 1172714, knownStates: 0, ...
0
votes
1answer
210 views

Geth syncing - Jan 18, how much time should wait before I call it quits. (First time miner)

After 3 days; current status: > eth.syncing { currentBlock: 4829460, highestBlock: 4829665, knownStates: 19675738, pulledStates: 19646971, startingBlock: 4828906 } Getting ti
0
votes
0answers
183 views

Where does blockchain data come from if there are no peers?

I'm still having problems syncing. I've kept my client up-to-date, I'm using an SSD, and I have 1Gbps/1Gbps internet service. It just hangs with 270 blocks remaining forever. The logs say: INFO [...
0
votes
2answers
46 views

Can I access last mined block if my node is not there yet?

This might be a stupid question, but I'll ask anyway... I'm currently connected to Ropsten and when I execute eth.blockNumber it says 1853682 (I'm like 300000 blocks away from current last mined ...
0
votes
2answers
866 views

syncing forever

I'm trying to mine using the commands geth --rpc and ethminer on an ubuntu 16.04 machine. Sometimes it works, but often after I restart my PC, I get the error "Network syncing, will start miner ...
0
votes
2answers
198 views

If I am fast syncing Ropsten, and i close the command prompt or Mist and reopen Mist, will it continue to fast sync?

Just wondering since I was trying to fast sync Ropsten with Mist and it came to a block number around 600,000 and stopped, so I closed Mist and reopened it and it only got to the "started swarm" part. ...
0
votes
0answers
136 views

Ethereum Wallet and Mist stuck on block 1,699,999 even after updating to latest version of geth

geth version Geth Version: 1.7.2-stable Git Commit: 1db4ecdc0b9e828ff65777fb466fc7c1d04e0de9 Architecture: amd64 Protocol Versions: [63 62] Network Id: 1 Go Version: go1.9.1 Operating System: darwin ...
0
votes
1answer
814 views

Why does sync eat up all RAM and hang my computer?

I have installed the Wallet v0.9.1 but have not been able to reach sync. It starts at good speed (1000 blocks/sec), but after 1 hour and 3.5Mblocks it slows down and I notice my 8GB RAM is taken. ...
0
votes
1answer
199 views

Do I really need to sync Geth even if I already have synced Ethereum Wallet?

I already have Ethereum Wallet installed and synced, fully working. But I am working on a cryptocurrencies-based project and I needed the JSON-RPC, so I installed Geth. However Geth seems not to be ...
0
votes
0answers
66 views

Trying to sync my wallet is actually making me depressed [duplicate]

I really don't understand why it's so bad. I got geth light set up via terminal (because it was impossible to download blocks) by following the instructions in another thread and the blocks downloaded ...
0
votes
0answers
226 views

Ethereum Wallet on Mac - Way Too Slow and uses up CPU! [duplicate]

I am really concerned with the amount of blocks I have to sync and how long it takes/how much power it consumes. It took me 2-3 days to fully sync last week and now I am syncing all day again. It ...
0
votes
1answer
91 views

ethereumj & etherscan, discrepancies between blocks described- during sync

I've cloned the ethereumj codebase, and in the directory ethereumj/ run it for testnet with the following command: ./gradlew runRopsten However, during the block synchronization process there is a ...
0
votes
2answers
518 views

Ethereum wallet

Like many others I'm really struggling with setting up the ethereum wallet. I deleted the chaindata folder in order to make the download process quicker. Unfortunately I closed the ethereum wallet ...
0
votes
1answer
255 views

Can't launch mist wallet. Stuck after pressing 'launch application' in windows 10

Hi. I downloaded Mist wallet and then after some time when the 'launch application' button came up, I pressed that. However, now I only see the following image on my screen and the figures shown ...
0
votes
1answer
110 views

Sent ether to my wallet, been almost two months now and still downloading block chain. what do i do to speed this up? [duplicate]

i've downloaded geth but i don't know if it's doing anything. the terminal says "Fatal: Error starting protocol stack: resource temporarily unavailable" when i try to start it. i'm not really sure ...
0
votes
1answer
148 views

Mist Wallet Synch Stuck - Not coder/geek

I too have the 'synch stuck' syndrome suffered by many others. I don't think I've ever been this frustrated but am trying to be patient. After 12-24 hours I get stuck around 2.4m block after multiple ...
0
votes
2answers
513 views

I have a problem with my CPU miner, I just use geth only

I have some servers, and I want to try one of my servers to mine ethereum, I do not use GPU here because I only have a regular server, I see geth documentation, documentation I run the command 1) ./...
0
votes
1answer
459 views

Ethereum Windows wallet - stuck downloading - possible lost initial bitcoin deposit

I downloaded the Ethereum wallet from https://www.ethereum.org/, and got to the stage when it started downloading. I entered a password to create an "account", and it suggested I add funds via bitcoin....
0
votes
1answer
557 views

Long wait for syncing the chain with Geth [duplicate]

I have been following some advice here on how to sync the chain using Geth (geth --cache=XXXX --fast). Yet I have been waiting for more than 24 hours for things to sync. Currently, it is at about 14 ...

1
8 9 10
11
12