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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Current Blockchain Size - geth and Parity? [duplicate]

As of 09.09.2017, can anyone tell me the current disk space requirements of the blockchain, when using Geth and when using Parity? Please assume invoking with no options.
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434 views

Syncing Taking 1+ Weeks?

I am syncing the ETH blockchain on a VPS with a 1TB hard drive/ It has taken a week so far and progress is now going at a snail's pace. It seems like it's never going to finish. I'm also syncing on ...
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private network ether is 0 after block synchronization

i'm taking a course. in this course we create a private network and create some ether(miner.start(1)) i check my account and i have some ether. eth.getBalance(eth.accounts[0]) => 12 i practice ...
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What happens if no (unique) longest chain of blocks exists, so that the current state of Ethereum is ambigious? [duplicate]

What happens if no (unique) longest chain of blocks exists, so that the current state of Ethereum is ambigious? I know that the longest chain of blocks are always taken to be the current state of ...
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2answers
843 views

parity --warp taking forever

I am trying to sync the parity wallet by running parity --warp Apparently this is only meant to take a couple of minutes, but this has been going on for a couple of hours. Does any know how much ...
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1answer
262 views

Installing Mist after I already had Geth

I already had geth installed and Rinkeby testnet synced. After that, I wanted to see how Mist works and downloaded Mist ( 36.7 MB Mist-linux64-0-9-0.deb). When launched Mist and choose Rinkeby test ...
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0answers
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How do I verify the integrity of my local chainblock data?

If I suspect local data corruption, is there a way to verify that my blockchain data is valid and will not affect my Ethereum work and transactions? Example: I switched to a self-compiled version of ...
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1answer
780 views

How to find out how many blocks left to sync? [duplicate]

When syncing with geth, how do you know how many blocks are left to be fully in sync?
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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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1answer
691 views

What is the best parity configuration to run a full archive node on raspberry pi?

I am using a raspberry pi to download the archived version of the blockchain with parity. I've started parity with parity -d /home/xxx/data/Ethereum --pruning archive --public-node However, the ...
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1answer
836 views

geth --testnet attach “getsockopt: connection refused”, with blockchain saved on external storage

I have just finished syncing to the testnet, but I'm having trouble running geth console on it. Storing the blockchain on an external usb drive, this is the command I used to start geth on the ...
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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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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 ...
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1answer
238 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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1answer
129 views

iOS node not syncing with private BKC

I use the Geth framework and Swift 4 to boot a node inside an iOS 11.0 app. This node connects to my local BKC (to 4 nodes to be precise). Here are some tests I made : if I start 3 computer nodes ...
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1answer
1k views

web3.eth.getBalance returns always zero

I have an ether account (whose details I prefer not to disclose here). I can confirm in etherchain.org that it has the correct amount of funds. I can also check that the funds were transferred in ...
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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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Ethereum wallet 0.9.0 slow sync (deleting block chain works but problem eventually comes back)

Windows 8.1 with 8GB RAM, 400GB spare, i7 CPU. 100Mb fibre broadband. Bitcoin and Litecoin wallet syncs no problems. So had an issue a few weeks back where block around 4 million was syncing at a ...
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1answer
706 views

Why do knownStates and Pulled states reset to zero on restarting geth?

I've noticed that, if I restart geth, attach a console and run eth.syncing, the knownStates and pulledStates values reset to zero and gradually increase again. Possibly naively, I'd expect that, once ...
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2answers
148 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
3k views

What does mean “Failed to retrieve current release”?

When I start with geth with light syncmode, I get the following error message: ERROR[date] Failed to retrieve current release err="can't fetch trie key ...
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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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454 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 ...
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1answer
241 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 ...
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455 views

Geth not syncing to last block

i have been trying to run a node in a virtual machine. Im using Ubuntu 16.04 and have already installed Geth to it. Im running it with geth --rpc --cache=1024 --verbosity 5. When i attach to the ...
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What do the geth sync messages mean?

So far I've gotten these rather cryptic messages while syncing: Imported new block headers Imported new block receipts Imported new state entries Stalling state sync, dropping peer What do they mean?...
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3k views

Proper way to stop the Geth console to turn off computer for maintenance?

After the synchronization of block chain is complete, what happens if you close the geth console while it continues to run the current block chain data? In the future, I would like to turn off ...
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1answer
791 views

How to tell where in blockchain you currently are while syncing?

I am using geth fast sync 1024 and I was wondering how you tell which block you are currently on or what the numbers mean as it continues to sync. Is 'processed=6650309' the block chain I am ...
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1answer
383 views

When sync'ing with geth, what is the meaning of the value of “processed”?

I had thought that the value of the "processed" during a sync was the block number, but the number goes far beyond the latest block. What is the meaning of this number?
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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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2answers
128 views

Is there a means to archive or keep an offline version of the blockchain for recovery?

I'm fairly new to downloading and mining of the Ethereum blockchain yet I've noticed it takes hours on my 100Mbs connection (haven't even looked at it over the SD-WAN yet). I've ran into some issues ...
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612 views

Fast syncing never stop

I have run geth --fast --cache=1024 for a week and I think I am almost complete: etherscan.io shows: LAST BLOCK 4005552 and my eth.syncing shows: { currentBlock: 4005449, highestBlock: 4005553, ...
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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 ...
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3k views

Geth is stuck syncing

I'm trying to mine using Geth. Right now, it's syncing and showing: { currentBlock: 3999975, highestBlock: 4000109, knownStates: 16329, pulledStates: 1739, startingBlock: 3999975 } The ...
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1answer
54 views

Why did an ISP outage reset my blockchain to only 78MB?

I don't understand what happened, but after a week of waiting for Geth to complete the blockchain download using geth --rpc and reaching 31GB's of data downloaded so far. My ISP had an outage due to a ...
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1answer
562 views

Geth syncing for 24 hours, still not done [duplicate]

I downloaded Geth 1.6.6 and ran it to sync the blockchain. It's been 24 hours, the chaindata folder is 12.4gb and it's still going. When should I expect it to be done? Is this normal (the website that ...
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2answers
545 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 ...
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2answers
263 views

Initial sync taking well over half a week [duplicate]

I ran geth --fast --cache=1024 which was the recommended for faster syncing. It goes up to reach the maximum block once, then goes to the beginning and imports chain segments again. This second ...
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1answer
324 views

What will happen when an ethereum node loss internet connection?

Will it reconnect to the ethereum network upon establishing internet connection again automatically and sync Data ? Can we perform transaction and calls on the offline(no internet connection) ...
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481 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 ?
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1answer
699 views

Is it possible to mine ether with a mobile phone's H or 3G data connection?

I've seen similar questions and answers but I'm still unsure. The aim is to mine with about 6 GPUs from a basement that has electricity but no wifi. Only an H or possibly 3G mobile connection shared ...
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1answer
429 views

Can you interrupt the initial sync of geth? [duplicate]

I have ran the geth -rpc and it started syncing. Any idea on how long that should take? And if I interrupt it, will it start again or pick up where it was stopped? Also will the DAG stay always synced ...
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Trouble getting started with Ethereum Blockchain

I'm trying to get started with Ethereum. So I tried the Ethereum wallet, but it took way too long, and after it finished I couldn't even mine on the test network. So instead, I tried to use GETH, and ...
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1answer
132 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 ...
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1answer
385 views

Mist reloading chain structure from scratch

How come every time I close and open ethereumwallet it starts downloading the chain structure from scratch?
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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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1answer
139 views

How to form the transactionObject in a metamask enforced async call?

Normally, for a contract call (i.e. something that does not update ethereum), I would simply do: var something = myContractObject.getSomething(). I've just started using metamask, and unfortunately, ...
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3answers
6k views

Can I safely interrupt and restart fast sync in geth?

I am new to Ethereum and trying to get set up a new node with geth (using 1.6.5-stable). I am running geth --fast --cache=1024 and so far have been syncing for around 3 days (Win 7, 6GB RAM). I see ...
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448 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) ./...
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How to create a dapp to provide access in browser without installing Ethereum client on Mist browser?

How can I Configure a Dapp to run from any browser without installing Ethereum client such as, Geth? Is there any JS library to achieve that. I am working on a decentralised application on a Private ...

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