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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1answer
833 views

Parity: avoid experimental `--light` but store minimal blockchain

Using parity --light is experimental, and this issue is currently blocking an initial sync. How can I avoid using --light but store minimal blockchain on disk? Something like: [footprint] ...
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1answer
2k views

Speed of syncing the chain in parity using archive pruning mode

I am using parity v1.7.0-beta-5f2cabd-20170727 and I sync with ethereum chain in archive mode in order to keep all states of smart contracts. The command i use to launch parity is parity --pruning ...
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2answers
147 views

Full Synchronisation with Geth Repeated Tree Node Error

I am doing a university project on the functionality of the EVM. I need to use debug.traceTransaction() function which requires a fully synchronized node. I have tried to sync Geth on a university VM ...
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2answers
526 views

Ethereum block download limit

I've been syncing the ethereum blockchain for over a week now and it has stopped downloading blocks but continues to download structure. When I restart it, it resumes downloading blocks but will only ...
2
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1answer
282 views

How to give more resources to Ethereum Wallet?

I downloaded the Ethereum Wallet a few weeks ago. Since then it has been syncing with the network (I don't have it running all the time). As today the block download progress is 3.700.000/3.912.000. ...
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3answers
686 views

Geth Sync Issues

I've been trying to sync for several days with the latest stable build of geth on Ubuntu 16.04 My latest attempt I ran the command as follows, after clearing the db: geth --rpc --sync-mode=fast --...
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1answer
83 views

Myehereumwallet displays wrong amount

I have 35 ETH. Etherscan shows this correctly, but MyEtherWallet displays 0.013 ETC. I did nothing. I just downloded Mist and started syncing.
2
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1answer
2k views

Windows Parity syncing very slowly

I installed Parity for Windows recently with the latest version 1.4.3-beta. The syncing was going fast to start but now on 2,400,000 blocks is goes extremely slow to the point of doing only a few ...
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1answer
608 views

Ethereum Wallet sync problems

Cheers, please don't laugh to my stupidity. I need some extra space on my SSD and firstly checked what takes the most of the space. Almost at the top were files under Ethereum Chaindata. I stupidly ...
2
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1answer
256 views

Blockchain sync… what am I doing wrong? [duplicate]

Okay, I know this has been asked a thousand times (i know this because I've seen all the post/threads) but I have to ask again in hopes something has changed. I am trying to run a node and no matter ...
2
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1answer
84 views

Problem with mist Wallet 0.7.6 (Beta 20) “vulnerability release”

After updating to Wallet 0.7.6 (Beta 20), running mist start syncing mainnet from the beginning, which is very bad, because syncing ~1,7MBlocks took me 4 days last time ... Is that due to the "...
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1answer
314 views

cpp-ethereum (Homestead) starts resyncing blockchain

I just installed cpp-ethereum 1.2.2 in order to upgrade to Homestead. When eth is started it begins to re-sync the blockchain from block 1, while the whole blockchain is already on my machine. Is ...
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2answers
698 views

Transaction using geth is stuck

I have created a wallet using geth on my mac. I have sent a small amount from Kraken to that account but its stuck on "sending". Do I need to download the blockchain first on my node so it can be ...
2
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1answer
127 views

Geth interface panic after weeks of being in sync

After weeks of being in sync and working fine, my Geth just stopped. Upon restart, what started as a long hang on FS Sync Time (repeat output with different values, no further movement beyond ...
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0answers
78 views

Geth crashes, “missing trie node”, rlp: expected List

I am struggling with failing geth with my Dapp. I got an error like this: Web3 UnhandledPromiseRejectionWarning: Error: Returned error: missing trie node ...
2
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1answer
50 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?
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0answers
320 views

Transferring parity blockchain data to another machine does not work

For the past several days I have been trying to transfer the blockchain data from an x86_64 machine to an armv7l machine, hoping that I could avoid having to sync from scratch on the latter. However, ...
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0answers
644 views

Section processing failed

I am trying to connect a geth node to the network for several days with light sync, and I have encountered a lot of problems. The last to date is there are a lot (like > 100) of error messages that ...
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0answers
399 views

geth node syncing falling behind

I am running geth node on a pretty robust server with lots of disk space, memory and processor (screenshot attached). Once geth fully syncs and I connect mist wallet to it it shows the latest blocks ...
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0answers
264 views

Which mode shoud I use for Parity syncing to use trace_ APIs for TXs since current blocks?

I want to use Parity for fast tracing TXs in blocks which will be synced only after my project start. So, if I initially run my Parity node with params —pruning=archive —tracing=on the ...
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0answers
1k views

BAD BLOCK and “invalid difficulty” error when syncing ropsten testnet in geth

I had been connecting to the ropsten testnet for the past couple months in geth with no issues, and able to quickly sync to the latest block. Now when I connect to ropsten as follows (as I've always ...
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0answers
41 views

Ropsten: Ether is not in my account, but I think it should be [duplicate]

I'm a bit confused... I've created an Ethereum account in Ropsten, and have fed it some Ether (more than 20) via faucet. Yesterday I synched my node with Ropsten and I could see the balance correctly,...
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0answers
984 views

Geth traceTransaction: missing trie node [duplicate]

I have a fully synced Geth node and am trying to run the debug.traceTransaction() method, but it keeps giving me this error: Error: missing trie node ...
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0answers
149 views

Extremely slow sync after moving to external drive (macOS; thunderbolt)

I was getting low on disk space so I decided to move the blockchain to an external drive with thunderbolt. I did it using Method 2 from this answer: In Mist browser how can I move the data (blockchain)...
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1answer
229 views

NodeSync - Node crashed while syncing? TypeError: Cannot read property 'timestamp' of undefined

Previously Mist wallet worked. Now it stops at 'Started Swarm' and writes this to console. I'm using Qubes with Debian-8 template. I start Mist by ./geth --synchmode "light" in the .config/Ethereum ...
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0answers
215 views

Mist wallet sync problem

At the moment I can't sync mist wallet for 3 days it download block till 4,102,477 and final hundred bloks are stuck but the numbers below (downloading chain structure) still running and running for a ...
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0answers
2k views

New blocks unbearably slow to sync

For seemingly months now, Geth has been really slow for me. Like, seconds per block: INFO [07-13|23:35:10] Starting peer-to-peer node instance=Geth/v1.6.6-stable-10a45cb5/windows-amd64/...
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0answers
480 views

Geth always returning a 0 balance?

i´m mining now for about 3 days with 3 rigs each with over 50Mh/s, but my balance is still 0. Does anybody know why ?
2
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1answer
310 views

What's the bottleneck in my geth sync?

I've been running geth for about 2.5 days so far, and I'm trying to work out why it's taking so long to sync. It's downloaded ~40Gb of the blockchain (up to block #2379173 if I'm interpreting the ...
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0answers
198 views

What is the blockchain download size and can i reduce it in some way?

I am currently on a connection with a download cap, and was wondering what the current download size for the whole blockchain was, and if i could reduce this download size to under 2 GB? I'm ...
2
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2answers
409 views

Ethereum won't synch after 36 hours [duplicate]

Installed Ethereum Geth. Funded 0.25 ETH with bitcoins. Never saw the 0.25 ETH coming into place, because as already happens with Bt-Core, it needs to synch with the network. But whereas Bitcoin can ...
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0answers
429 views

Why does syncing with the Ropsten testnet appear to pause?

I am running a node with geth via the command geth --testnet --fast --rpc --rpcapi db,eth,net,web3,personal --cache=1024 --rpcport 8545 --rpcaddr 127.0.0.1 --rpccorsdomain "*" --bootnodes "enode://...
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0answers
677 views

block download canceled, geth 1.5.9 would not download blocks

when starting out geth I cant download past block 1292880 does anyone have any idea why it would not download any more blocks?
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0answers
31 views

Ethereum balance is 0 on local (geth) despite etherchain.org reporting it has ether [duplicate]

I bought some Ether over 4 hours ago: https://etherchain.org/account/0x3d74c07013285b31049ecc7d9cb078cd1aa8ea96 When I run the following script on my local machine I get: $ geth console > ...
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0answers
255 views

Synchronisation issue on Mainnet, testnet and private network

I am just unable to synchronise on any kind of network either main network , testnet and not even on private network. I have updated my geth instance to a newer version - Geth/v1.5.9-stable-a07539fb/...
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0answers
357 views

Unable to synchronise with a remote peer

I am running a private network with two geth instances one on my machine and other on an AWS server using the same Genesis file. I am also using a networkid flag to differentiate my private network. ...
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0answers
82 views

Sync very slow on testnet after block around 589000 [duplicate]

For the past few days testnet is not working properly. As of now sync is very slow and all the testnet ether is lost. I came to know all this is because of some spamming attack. Did the steps ...
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0answers
37 views

Mist not syncing [duplicate]

I need help. Ive downloaded the latest MIST 0.8.9 on my Mac. Ive sent Ether to my wallet but it is not showing up 0x64D18245635BC6380f3d879B3ac1AFA2c3c1E063 On the bottom left it is showing "your ...
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0answers
83 views

Which recent Parity release can be used to synch a node for use with Mist 0.8.8

I am finding Geth exceptionally slow to synch. I found Parity to be much faster. However recent Parity releases make it very complex just to use the Parity client to synchronise and then open Mist. ...
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0answers
145 views

How can I sync Mist on a connection with a firewall?

I'm running Ubuntu Gnome 16.10 with the latest version of Mist installed. Whenever I run Mist at home, syncing works without a hitch. But when I run it at school, Mist opens but shows 0 peers. When I ...
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0answers
55 views

Mist RPC node error: invalid address length

Upon launching Mist, I get the following error message: Couldn't connect to RPC node Error: Invalid address length, expected 40 got 4 bytes I can't think of something I did over the last week that ...
2
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1answer
66 views

mist syncing is in discrepancy with node log

I am facing a strange syncing related situation for a couple of hour now (screenshot below makes it easiest to understand). Although my node is in sync with the network as per the node log (...
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0answers
149 views

Is it possible to avoid sync in Ethereumj, but still register a listener?

I'm attempting to create an contract analysis application using Ethereumj. I don't need to participate as an Ethereum node on the network and thus I'm trying to avoid having to sync the entire ...
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0answers
30 views

Speeding up Syncing Mist [duplicate]

My Mist/Eth wallet is syncing very slow, it stays 200k blocks behind. I have 12-13 peers using the most recent version of mist. Internet connection is not an issue RAM 4GB and rest of hardware ...
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0answers
426 views

Ethereum Wallet Will Not Sync

This is a continuation of my first question re: DAO withdraw problems. I'm running EW (latest update) on my MAC. I never connect with more than two peers and my wallet has not synced correctly since ...
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0answers
378 views

Parity/Mist syncing problem

I tried a few things and after a few attempts and ~24 hours the chain was synced. One thing i tried was to sync my PC clock after "time.is". It always showed a delay. I downloaded a program which ...
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0answers
536 views

Mist started re-syncing and ethers are gone

I downloaded the blockchain with geth --fast --cache=1024 option and size of my blockchain data after download of 2412706 blocks was around 10.9GB. I imported my accounts to keystore files and ...
2
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1answer
1k views

Parity not downloading/syncing beyond block 2361658 [duplicate]

I'm running Parity 1.3.2 and everything is fine until I get to block 2361658 and then it just doesn't go beyond that. Looks like I have 0 peers as well. Is this the "attack block"? It has been running ...
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0answers
44 views

if --fast is used to sync geth in ethereum node, can it be used for mining? [duplicate]

using --fast does not download the full blockchain only the blockheaders ,then if --fast is used to sync geth in ethereum node, can it be used for mining?? will it mine same as a node synced normally?...
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0answers
112 views

slow start of block synchronization in geth [duplicate]

What can I improve or debug to find causes of a delayed start of the block synchronization in geth? I am running the latest geth (1.4.5-stable-a269a713) on Ubuntu 15.10, I noticed this behavior ...