Questions tagged [full-node]
Nodes that fully verify all of the rules of Bitcoin. The most popular software implementation of full nodes is called Bitcoin Core.
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How Do I Fix This Error Without Loosing Stored Blocks On Pc?
I opened my Bitcoin Core program today on my Windows 7 PC via an external hard disk (1 TB) and I found the following error:
MinGW Runtime Assertion
Assertion Failed!
Program: E:\Blockchain\bitcoin-qt....
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What is the default number of transactions a full node have in its mempool?
Is there a default limit to the number of transactions a node can keep in its memory pool? Or do we have to explicitly declare maxmempool=xyz to restrict the number of transactions a node can have in ...
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What is the current size of txindex folder when txindex=1 set? [duplicate]
Due to reputation limitations, I cannot ask for an update on this question:
How much extra disk space does txindex=1 require?
What is the current size of the txindex folder when txindex=1 is set in ...
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What is the best practice for listening to payments on the RPC api?
I have a docker instance running a bitcoin node and would like to listen to deposits, generating a new address each time a user requests to deposit then increment the users account balance on success.
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Why is my mempool count so much lower than that of block explorers?
I have been running a full node for about two days. I wanted to get a list of all mempool txs (using getrawmempool false), and found that it only came back with around 3,000 even though all the block ...
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What are the advantages for an user that is running a Bitcoin full node?
I am running a Bitcoin full node Bitcoin core version v0.19.1 (64-bit).
I know that is one of the most secure wallets, but the process to set up a full node is very painful, and even if you keep ...
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How can I seamlessly extend disk for bitcoin-core full node?
I'm running a bitcoin-core full node and serve customers wallet service (e.g. creating a wallet, sending tx). I set the chain data disk size to 400GB when first setting the node up and the disk is ...
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Unable to start bitcoind
ORIGINAL QUESTION:
Anyone know why I am getting the following error message?
Other possible relevant info:
Config file location
/home/.bitcoin/bitcoin.conf
Config file content:
server=1
testnet=...
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How to getheaders from blockchain?
I have run a full node on linux
now I can run commands with bitcoin-cli like:
bitcoin-cli getbestblockhash
it returns:
0000000000344240308f54ded700542571b3df9efe05fab92e669099e20e0d92
or
bitcoin-...
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Step by step to make a SPV bitcoin node
As I know, there is a light node version called SPV.
for now I have started a full node and it has downloaded 82222 blocks, but I don't want to have a full node with full blockchain, my purpose is to ...
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Can you help me tell if my new out-of-the-box ssd for a Pi4 myNode project is DOA?
Trying to setup a node on a Pi4 with ssd and blockchain appeared to be downloading well. My router said I was gobbling data for 2hrs. Then I received the "Looking for Drive" message. I rebooted once, ...
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Why do I have to update my node version if I am up to date?
So a few months ago I unplugged my bitcoin node when it was running perfectly. So when I connected it again this week I had to let it sync to the blockchain again. Now you can see it's synced but I ...
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Should I use Electrum Wallet OR Bitcoin Core as my website's payment gateway?
I'm a developer who is building a website that need to process Bitcoin payment requests. So I need a payment gateway.
In my last project, I used Electrum wallet as payment gateway but my last ...
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Allocation Unit Size (AUS) when formatting drive
I'm formatting a SSD for a new node and searched here that Gavin said the typical blockchain file size was 250kb (2015), others showed 500kb (2018). I thought is was to remain constant, so perhaps one ...
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Can I rely on my full node to always have the most recent blocks?
I have a full node running and I am using ZMQ to let me know when new blocks arrive. How can I make sure that this block that my node received is a valid block written in the blockchain ledger and it ...
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Raspberry Pi 3 / Bitcoin Node / No space left on device / Link Database to External Hard drive / [duplicate]
I was following @meeDamian Bitcoin node guide on a Raspberry Pi 3 and could get almost everything to work except that it stores the Blockchain on my USB Harddrive. Its mounted and I have disk space ...
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How can I view in my shell, live, ALL activity my bitcoind is generating?
Having examined the output of
bitcoind -h
and searched through all the bitcoin-cli rpc items listed here
https://bitcoincore.org/en/doc/0.19.0/rpc/
I did not find anything which produces a live ...
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How Do Attackers Forge Bitcoin Blocks And How Do You Identify Forge Bitcoin Blocks? [duplicate]
I have read that a block contains several bitcoin transactions and an attacker can forge fake blocks.
Does these forged fake bitcoin blocks cost the attackers money for mining or was it just ...
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Why do two different fully synced Bitcoin Core nodes differ in the blockchain size?
The size_on_disk printed when executing getblockchaininfo is 1.2 GB smaller than other nodes are reporting at the same time/block.
txindex=1
What could it be??
I've asked to other peers on twitter ...
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How to tell if my node is online (conflicting information)
I am really confused. I am attempting to set up a listening node. When I look at bitnodes.earn.com it shows my node as offline when searching by IP, but when I run getconnectioncount it returns a ...
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How to achieve fast mempool synchronization at startup?
I just started my 'occasional' full-node and I am watching the size of the mempool grow after full block synchronization - watch -n 3 'bitcoin-cli getrawmempool true |jq "length"' - it has around 4000 ...
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Bitcoin Core full node has saved a lot more space than 260gb
I've had Bitcoin Core running on my Macbook i5, 8gb ram, the last five nights and have gotten to 58%. It's downloading to an external hdd and now the blocks directory contains 375gb of data.
Another ...
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Bitcoin Core full node download crashes all the time
I'm downloading the full blockchain for the first time, and have only got a couple of laptops with i5 and 8gb ram and a couple of external hdds. The download has run for a long time on one of the hdds ...
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Opening Full node
When I try to open my node this is the error that pops up
"Error: Cannot parse configuration file: parse error on line 1: curl https://bitnodes.io/install-full-node.sh | sh."
Does anyone know how to ...
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Error while syncing with the blockchain on my Raspberry Pi
So I already have the node set up on my raspberry pi. This night the transfer of the Blockchain from my laptop to the raspi's hard disk finished. Now I am waiting for the blocks to match the headers
"...
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Does bitcoind ERROR "Disk space is too low!" refer to RAM or actual harddrive?
After having finished the "Initial Block Download" I needed to reindex:
[BTC_Core_Expmnt]# bitcoind -reindex -datadir=/mnt/BTC_Core_Expmnt
The debug.log showed everything starting up ok; and the ...
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Electrum server full node bitcoin core wallet- how to block all outside access?
i have read that with an EPS electrum server, other nodes in the network can "ping" your port , i believe the port no. was 8333. How can I for sure and for any situation block such accesses? The EPS ...
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Bitcoin Core full node wallet - questions about security & recovery
can you tell me pls,
1) Which secure full node wallet implementations exist? Currently I just know of bitcoin core. Is there not any other one with a GUI?
2) Can you use a Ledger device with those ...
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How to run bitcoin core in the cloud with virtual server?
can you please explain to me, or link me to other understandable sources, how you can use bitcoin core with a cloud provider?
My intent is to not physically have an own server but to use a cloud ...
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Cannot open dump wallet file (code-8)
Is anybody familiar with this problem using btc qt debug console?
Would like to dump wallet and sweep into electrum.
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Hexadecimal Bitcoin Transactions
Suppose I have a random transaction which I recovered from blockchain blk****.dat file.
How can I calculate the number of confirmations of this transaction? I dont want to use the RPC call ...
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Bitcoin P2P API getBlocks always returns 500 inv items
I'm trying to build a mini full node so that I can understand exactly how they operate. I've managed to get a few parts of the P2P api working however I am stuck with basic things like 'getblocks' and ...
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bcoin daemon killed over and over again [BCOIN]
I am setting up a full bitcoin node using BCOIN.
I spinned up a VPS on Google Cloud. Specs: 2 CPUs and 7.5 GB of RAM. 500gb of standard storage. OS: Linux ubuntu.
As I start the daemon, things go ...
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Why Full Node stores whole blockchain instead of only the UTXO set?
So I have started learning bitcoin recently (from Bitcoin and Cryptocurrency course @ Coursera). And I just learnt that there are "Full-Validating Note" out there that are:
Permanently connected
...
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How can I use backup up chain data from pruned node to set up (archivial) node without IBD?
My setup is an old (~2012) laptop + small SSD and a NAS with HDDs. I noticed that trying to sync Bitcoin Core (v0.18) on the NAS was slow, but on SSD was very fast. (Everything is connected via ...
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Get transaction data from full node
Background Information
I am building an application that requires the ability to query any bitcoin full node (from a python script using raw tcp sockets) in order to read the OP_Return value listed ...
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How do I ask for witness data from a Bitcoin full node?
So, I'm trying to build a Bitcoin block explorer using my own Python library. I'm doing it just as an exercise to better understand how Bitcoin works under the hood.
Right now, when I send a block ...
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Does every node have a whole copy of the blockchain?
As I read in this blog article, in a blockchain "each node has a copy of all transactions ever made". This to me seems impossible, bitcoin has existed for a long time, and the memory size of ...
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Can bitcoind and btcd share a datadir?
I've already fully synced the blockchain with btcd, can I point bitcoind at the same datadir and use its contents?
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Can a node broadcast a valid signed raw transaction while still syncing?
Built and signed a native bech32 UTXO, but when I attempt to broadcast from my testnet node using the command sendrawtransaction it returns "missing inputs". I don't have the private keys in my wallet,...
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Is it actually possible to install Bitcoin full node on a Raspberry Pi 3B+?
A Raspberry Pi 3B+ has only 1GB of ram and this official Bitcoin Core page shows that minimum requirement is 2GB ram and 200 GB storage with 100MB/s read and write speed.
But I see a lot of articles ...
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can i run a full node on a laptop without a 3rd party router?
i am using verizon fios and have attemped to connect to full node. verizon said that i can n0t do it on their router and would need to purchase a 3rd party router and daisy chain to theirs. Any ...
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Blockchain Explorer for local full node
I would like to build my own blockchain explorer because I have found that using the API's of 3rd party blockchain explorers only gives me around 2 or 3 requests per second.
Does an open source ...
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I get invalid argument error when running bitcoin-cli -getnetworkinfo, and a few other parameters
So I have bitcoind -daemon running and it appears to be generating the blockchain. keeps saying
Potential stale tip detected, will try using extra outbound peer...
The issue is I run bitcoin-cli ...
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Please take a look at my server print out to see if all looks well or if the repeating errors mean something is wrong
So it is not clear to me if my bitcoin server is syncing and all is fine or if the "potential stale tip detected, will retry extra outbound " message means I have to do something. Searching for that ...
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Types of onion address
I'm running a bitcoin core full node with Tor and I've configured a hidden service for that.
The point is: bitcoin core log shows me an onion address which is very smaller than the one I found in /var/...
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difference between inbound and outbound connection
I'm running a bitcoin full node (bitcoin core) via Tor.
I noticed I have only outbound connections (using maxconnections=16 in the conf file), but not even an inbound one.
So which is exactly the ...
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Syncing blockchain with prune enabled
I'm syncing a node with prune enabled. Will it download the whole blockchain and then prune to my given settings after, or does it prune as it syncs?
I'm currently 34.85% synced
Blockchain directory ...
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How can Blockchain.info query information from the blockchain faster than I from my own node?
I've just run a Bitcoin node but I don't understand how blockchain.info or any other blockchain explorer works. I mean, sometimes I have problems like "socket.timeout". Shouldn't it be faster to query ...
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Electrum-personal-server isn't seeing any historical transactions; using a Trezor
I followed the instructions in the Electrum Personal Server guide. I know that the transactions are there because I checked wallet.trezor.io. But none are showing up in Electrum. I have run --rescan. ...
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