Questions tagged [bitcoind]

This tag should be used for questions related to bitcoind, the command-line software for Bitcoin Core. It stands for "Bitcoin Daemon" where a daemon is any computer process which runs in the background ("service" in Windows terminology).

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DB Structure for bitcoin blocks

https://github.com/blockchain-etl/bitcoin-etl#schema I found a library to parse the block data in json format. I want to parse that json and put it into a db to then use that for calculating balances. ...
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144 views

How to block certain IP address from bitcoind or using ufw

Certain IP is brute forcing my node for rpc access. I tried ufw to deny that IP but did not work. Looked for any black list conf entry or param to bitcoind and found none. Any suggestions?
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How do Blockchain Explorers lookup wallets? [Balance]

How do Blockchain Explorers lookup wallet balances? Im trying to make my own explorer. For example Bitcoin-cli does not have a method (function) to lookup a wallets balance. listtransactions does not ...
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2 votes
1 answer
204 views

Error: Disk space is too low!

I am trying to run bitcoind on a raspberrypi. I started by starting bitcoind on my laptop,downloading and verifying the blockchain. So far so good, bitcoind works as expected. Then I set prune=600 in ...
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how can I delete raw transaction

How can I delete funded raw transaction? When I call another fundrawtransaction method, it just appends new info to already created hash.
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settxfee: formula for fixed fee

I want to set fixed fee rate for transaction. I calculated tx size which is 222( here is this tx), called rpc settxfee $o->settxfee(sprintf('%f', (0.00001/222)*1000)); and sent to the network. I ...
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Check transaction per block in Bitcoin

what is bitcoin-cli command for checking how many transaction per block ? Thanks you
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Requested wallet does not exist or is not loaded

I need to perform rpc requests per wallet. Here is my url http://127.0.0.1:18332/wallet/another_wallet/wallet.dat but I get error Requested wallet does not exist or is not loaded I run daemon with ...
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bitcoind: why sendmany allows only double-precision floating point numbers?

I am switching from electrum to bitcoind. On electrum is function paytomany which accept usual bitcoin amounts like 0.0001. But why method sendtomany accept only double-precision floating point ...
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1 answer
124 views

What would be the easiest way to test the submitblock method?

I'm constructing a customized miner, and I'd like to check if the submitblock method would work properly when connected to mainnet. What would be the easiest way of doing that using RPC calls and ...
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Please i need help about BitlyCore.com [closed]

Please I need help. I want to know if anyone knows about BitlyCore.com I have been running the full block for days now and it's just stuck at 87% please I need help.
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Need to configure Bitcoin RPC bitcoin.conf for production ecosystem

hello I'm building a little exchange website and need a simple solution to integrate via api, I'm looking for something that allows bitcoin payments to be sent to bitcoin addresses for users who will ...
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3 votes
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514 views

Raspiblitz slow sync performance

I'm syncing my raspberry pi 4 model B, 4GB and after 4 days I'm less than 50% synced. It seems as though there is something wrong with bitcoind as there are some weird symptoms going on. The pi is ...
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Failed to start bitcoind using Ubuntu 20.10

I keep getting this error when I run sudo systemctl start bitcoind.service Job for bitcoind.service failed because the control process exited with error code. See "systemctl status bitcoind....
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3 votes
1 answer
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Function combinerawtransaction is not working

I have multiple partially signed transactions that I want to combine into one transaction. All those transactions were signed using the same key so it should be possible to combine all those partial ...
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-1 votes
3 answers
218 views

Can satoshi nakamoto change bitcoin

If I understand correctly, Satoshi Nakamoto (or any cryptocurrency creator) can change things in Bitcoin, like supply limit, halving, etc. My question is: How is Bitcoin decentralized if Satoshi ...
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Where can I find a high performance search capabilities in a Bitcoin node implementation?

Where can I find a Bitcoin node implementation, which is capable of thousands of searches per minute, without degrading performance of the node? I am aware of two Bitcoin node implementations. ...
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TransactionId Not working Second Time in NBitcoin and QBitNinja?

I am trying to send bitcon from my address to another address. i had 0.0024BTC in my wallet and then i performed a transfer using this article: https://programmingblockchain.gitbook.io/...
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Not able to connect to bitcoind on mac mini

I'm running Bisq v1.6.1 on a iMac and that works fine using "use provided bitcoin Core nodes" I also running a bitcoin core node on a mac Mini in the same local network on address 192.168.0....
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1 answer
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Is it safe to rent server to run a full node?

I want to rent dedicated server to run a full node to receive bitcoin for my website. Is this safe if I encrypt my wallets or should I own physical server?
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Possible To --enable-wallet After Syncronization With Blockahin?

I am running bitcoind from the command line (--without-gui) and my system apparently does not have the correct Berkley DB version (4.8+). Therefore, I chose to run the program without the wallet ...
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3 votes
1 answer
2k views

Setting up lightning with bitcoin-core

I have some questions about bitcoin-core and lightning-network-daemon. I have succesfully set up a bitcoin node running on Ubuntu Server 20.04 by following this tutorial: https://bitcoin.org/en/full-...
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Generating zero-amount transactions in regtest mode?

I'm setting up a larger test network of regtest nodes in which all of them should be easily capable of creating blocks and sending transactions. To this end, I'm looking for a simple way for the nodes ...
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Bitcoin cli Error: too few parameters OS X Big Sur

I'm running Bitcoin core,I struggled for bitcoin conf file till I found this and this is what I just have in it server=1 rpcuser=username rpcpassword=password rpcallowip=127.0.0.1 rpcport=1300 I have ...
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Bitcoin fails to compile with Boost

After running 'autogen.sh', './configure' and then 'make', I keep getting the following error: Undefined symbols for architecture x86_64: "__ZN5boost10filesystem4path5imbueERKSt6locale", ...
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1 answer
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bitcoin payment high fees

I am using bitcoin-rpc and everytime i create an invoice for the client to pay, i create a new address. Payment is ok, i get the money after a cron.php sees that all confirmations are above 3, but ...
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3 votes
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100 views

Various caches are defined in the Bitcoin source code. What do these caches refer to?

The source code is as follows: //! -dbcache default (MiB) static const int64_t nDefaultDbCache = 450; //! -dbbatchsize default (bytes) static const int64_t nDefaultDbBatchSize = 16 << 20; //...
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Bitcoin cash not syncing the current block [closed]

I have installed BCH "Bitcoin Unlimited Cash Edition bucash1.7.0.0". Problem is the current block is not synced in our wallet server, the server is stuck at block "635258". How to ...
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0 votes
1 answer
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How do I use bitcoind to spend from private key but not store it

I understand that I need to import a private key in order to spend bitcoins, would it be possible to generate/use an address without storing or the server having the private keys in the server Ive ...
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1 vote
0 answers
43 views

BTC Full Node Wallet

Is it possible to use a BTC full node (running on linux) to query an address and either see all of those address transactions or to get a list of their UTXO's so you can calculate a balance and see ...
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1 vote
1 answer
856 views

bitcoind no such file or directory when trying to execute on Ubuntu for Raspberry Pi 4

Trying to install and run Bitcoin Core Daemon on a Raspberry Pi 4 8GB w/ Ubuntu Server and unable to execute bitcoind. Below are the exact steps I am taking: Use Raspberry Pi imager to flash the ...
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0 votes
1 answer
172 views

Changes for bitcoin.conf file and details on the testnet network bitcoin-core

I have installed bitcoin core testnet and it is now synchronized with the network after 24 hours. My question is about bitcoin.conf file. I will tell you the procedure I used to install: I created the ...
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126 views

How to dump all transaction from single bitcoin address?

How to get/dump/or download/curl request/ for all transaction from single address ??? I need info about txID's, scryptpubkeys, txinwitness and other deep info about transactions Br.
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273 views

Scan ports for my onion bitcoin node and RPC calls

I'm getting to work my first bitcoin node, it is running P2P through Tor network. 1: How can it be scanned? how can I see if its exposing any port, or port 8333? 2: How can I make RPC calls through ...
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How do I solo mine with bitcoind-rpc?

I found this script: https://github.com/jgarzik/pyminer But it uses getwork RPC call, which resulting me this: error code: -32601 error message: Method not found From https://en.bitcoin.it/wiki/...
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Bitcoin first versions

Please excuse my ignorance. I think I purchased some bitcoin quite some time ago within the early adoption phase, back then I think passphrases were non existent, Is there a way to access the old ...
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148 views

restoring deleted wallet.dat

I need to restore deleted wallet.dat. Unfortunately method with searching for "\x00\x00\x00\x00\x01\x00\x00\x00" "\x00\x00\x00\x00\x62\x31\x05\x00" Did not produced ...
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Multisig synchronization

I understand what the multisig wallets are but I need help understanding what exactly this script does: https://gist.github.com/gavinandresen/3882537 If I understand correctly, bitcoinds are bitcoin ...
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2 votes
1 answer
482 views

What are the maximum useful memory limits for a Bitcoind full node?

In contrast to this question about running Bitcoind in a low-memory environment, I have an opposite use-case. I want to run a bitcoind full node (no wallet) on a Linux server with lots of memory but ...
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Bitcoin transaction failed to broadcast (code 66)

I am using bitcoind. I got this error while trying to send a transaction: CommitTransaction(): Transaction cannot be broadcast immediately, mempool min fee not met, 6835 < 7865 (code 66) The ...
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1 answer
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Upgrading/converting bitcoin core wallet between platforms

After 2 years of being shut down, I am trying to revive my bitcoin full node, while both switching platforms and upgrading to the current version in the process. Everything works but the wallet. The ...
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1 answer
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Blockchain Login

We're working on a research based on the blockchain and I can't understand a point about login authentication. As we all know, blockchain is distributed or decentralized system, there is no central ...
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1 answer
342 views

Install guide for Ubuntu 18

I tried sudo snap install bitcoin-core, which worked but I've read that it cannot be trusted, so I uninstalled it the developer, bitcoincore.org, doesn't seem to maintain a binary for Ubuntu (or any ...
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1 answer
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Is it possible to keep bitcoind running with the blockchain synced up to only a certain height?

I am currently using bitcoind to do some transaction analysis on a small part of the blockchain. However, after the local copy of the blockchain reaches the -stopatheight value, it quits. Is there a ...
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Electrum Server running. Now what?

I finally found time to build a full bitcoind node and run electrs (not Electrum Personal Server). What things can I do now? I know about only these: Point my Electrum wallet client to my electrs, ...
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6 votes
1 answer
1k views

Is there a way to only sync up to a certain block?

I am planning on doing some transaction analysis on the blockchain, however, I only want to do it on a small part of the blockchain first and then run it on the full blockchain later on. I have ...
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Found old 'key' to bitcoin wallet but don't know which wallet?

I was searching through my email today and I think I found a bitcoin private key from 2013. I think it's a BTC private key because I bought 1 BTC that day. It's 33 letters long but I don't know the ...
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2 votes
2 answers
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Pros & Cons of Self Hosting Bitcoin Node vs using a 3rd Party Service?

We are a medium size company building a blockchain application that requires us to interact with the Bitcoin blockchain (+ several other cryptocurrencies). One option is for us to use a 3rd party ...
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0 votes
1 answer
70 views

Main wallet unspent transaction

I have a question about an unspent transaction, we know that after some transactions we have a change address created by the main address, now imagine that Bob mined 6 BTC, now he transferred 2 of the ...
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9 votes
1 answer
396 views

With peerblockfilters=1 hundreds of "btcwire 0.5.0/neutrino" connections are downloading TB from my Bitcoin node

I run Bitcoin Core 0.21.0 from a data center, unmetered, with compact block filters enabled (blockfilterindex=1 peerblockfilters=1). Soon after the restart, I get a huge number (140-200) of ...
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