Questions tagged [bitcoind]

bitcoind is 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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Why are torrc modifications required for a bitcoin hidden service on the wiki?

According to the wiki the torrc file requires the following settings: ControlPort 9051 CookieAuthentication 1 CookieAuthFileGroupReadable 1 However, if you simply run bitcoind.conf with onlynet=...
2 votes
1 answer
206 views

How to remove a tx from local node mempool that's been removed from all other node

I'm running a fullnode with electrumx on top for indexing. I've noticed that sometimes, due to low fee, a tx gets dropped from mempool after some hours/days. However, it stays for longer periods in my ...
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Is it possible to run RPC commands without installing the entire Bitcoind

I am interested to run bitcoin mining https://github.com/jgarzik/pyminer/blob/master/pyminer.py , I understand that it inherently calls bitcoind to run some RPC commands to broadcast once a nonce is ...
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Fixing 'Connection Reset by Peer' Error When Calling bitcoind REST API in a Container

Problem: Unable to Access bitcoind REST API from Host Machine Description: I have bitcoind installed in a container, and I can successfully make REST API calls from within the container. However, when ...
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Keeping wallet addresses outside bitcoin core

I'm trying to build a good security for my online bitcoin based application. Is something like this possible? send_bitcoin(address) create_address() sweep_balances() + | | ...
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Blockchain.info testnet websocket doesn't work

When I try to connect testnet websocket provided by blockchain.info api. Connection doesn't establish, when i looked into the code. It says for testnet it uses "wss://ws.testnet.blockchain.info/inv" ...
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2 answers
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Bitcoin-qt and Bitcoind see bitcoin.conf file differently

Using Bitcoin core 25.1 on Raspberry Pi. Have .bitcoin dir on external drive. Bitcoin-25.1 package after unarchiving came with bin folder containing Bitcoin-QT and Bitcoind binary files. Bitcoin.conf ...
2 votes
1 answer
1k views

bitcoind crashing due to insufficient memory?

EDIT 3 Bumping my VPS to 1GB of physical RAM stopped the crashing issue... UNTIL said VPS ran out of disc space. I added prune=10240 to my ~/.bitcoin/bitcoin.conf file such that the blockchain file ...
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Transactions confirmed on Blockchain but nothing received to my Blockchain wallet

I need some info/help. I have sent some Bitcoins to my Blockchain wallet. They have all be confirmed and done with. But it has been 2 days now and nothing has shown on my wallet. This is the ...
2 votes
1 answer
2k views

Can't connect to Bitcoind remotely

I am running a Bitcoin Cash node on my server, and starting it like this: start bitcoind.exe --server=1 --rpcuser=user --rpcpassword=password --rest=1 --rpcport=8332 --datadir=F:\Bitcoin --bind=10.1....
2 votes
1 answer
812 views

How to get total number of transactions from bitcoin core wallet using rpc

I'm trying to implement paginations using : https://chainquery.com/bitcoin-api/listtransactions I want to have reverse listing (oldest first), so I need to get total number of transaction returned ...
1 vote
1 answer
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How to move sync's data to another partition after run Bitcoind for a while?

I have download a new bitcoin package from official site. And then I ran it with daemon mode also with default configuration (Default means not bitcoin.conf file was created in ~/.bitcoin/.bitcoin....
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Error getting bitcoin block to process from DB

i am installing a full node on a linux server and i'm trying to connect to bitcoin with BIFROST(https://github.com/stellar/go/tree/master/services/bifrost) but i am getting the error below which ...
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Generating bitcoin core -rpcauth argument using golang

We're developing a Blockchain deployment solution kotal, and generating -rpcauth argument from the supplied user name and password. The problem is when we try to use the same user and password using ...
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1 answer
1k views

Can't connect to Bitcoin RPC on DigitalOcean server

I am running bitcoind on a DigitalOcean droplet with public IP address e.g. 1.1.1.1. I would like to connect to it via RPC from another DigitalOcean droplet with public IP address e.g. 2.2.2.2. Both ...
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Bitcoind isn't starting as system service for some reason

Have bitcoind.service file in /etc/systemd/system with the following contents: [Unit] Description=Bitcoin daemon After=network.target [Service] ExecStart=/media/user/2TB/.bitcoin/bitcoind-start.sh #...
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2 answers
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How to re-connect to `bitcoind -printtoconsole` after socket timeout?

I started bitcoind with the option -printtoconsole to check for errors and my terminal ssh connection was timed out during the night - probably because my computer was in hibernation. I see that the ...
2 votes
3 answers
6k views

How to get Bitcoin historical data from Bitcoin-Core?

I installed Bitcoin-Core Wallet and downloaded the whole 130gigs BlockChain. Now I'd like to read the BlockChain Data to know all bitcoin values since the beginning. Not sure how to start. I need that ...
1 vote
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679 views

Bitcoind gui client, wallet client with peer preference, node manager

first time user here so politely point out any thing I have done wrong. I am looking for three things, but first let me explain the situation and use case: I am using bitcond full node on a headless ...
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1 answer
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Running a bitcoind docker

Thanks to the bitcoin.stack community I have successfully launched a bitcoind docker with an external volume which has the block data Currently its in 100% sync but I am facing an issue to get ...
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Bitcoind Testnet time/timereceived constantly changing?

I've got a small question: over a week ago I did some transactions on the Bitcoin testnet as I am developing a new GUI header for full nodes. When continuing development today, I noticed that when ...
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1 answer
434 views

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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Running Bitcoind - prerequisites

Do I need to install the Bitcoin GUI and download the entire blockchain before being able to run bitcoind? The instructions ask us to directly run bitcoind -daemon , will this start downloading the ...
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1 answer
653 views

False error notifcation (double spent) 'code' => -4, 'message'

Now and than I seem to get a consistent false error notification. Error message: Request error: array ( 'code' => -4, 'message' => 'Error: The transaction was rejected! This might happen if some ...
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1 answer
575 views

Issues with stopping bitcoind after 22.0 update

My setup was originally Bitcoin core 0.21.0, with IBD done long time back. Now for some experimental purposes, I turned on txindex in bitcoin.conf and reindexing was happening for hours. In mid of it, ...
1 vote
1 answer
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User change for bitcoin core installation

I made a mistake and installed bitcoin core under the main system user “dog” in Linux (Debian). Now I am scratching my head thinking what I should do to change the user to “coindog” which would not be ...
5 votes
2 answers
952 views

bitcond and bitcoin-Qt system configuration and bandwidth requirements

What is the best operating system configuration for a computer to run (bitcoind or bitcoin-Qt) and (BFGminer or CGMiner) under Linux, assuming that it will be connected to a 3 Terrahash mining rig on ...
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1 answer
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Manually create a transaction to spend the output of a P2SH tx

I want to manually create a transaction to spend the output of a P2SH tx, but I don't know where the redeem script should be placed in the new transaction? I followed an online tutorial Building a ...
1 vote
1 answer
226 views

Monitor a bunch of addresses for deposits

I have a situation where I create one address per user through GetNewAddress(User.Id) So, in the end, I have a lot of addresses to monitor, to see if any user has deposited money. I can do something ...
1 vote
1 answer
1k views

bitcoin.conf file on mac

I have installed bitcoin core on mac and accessed the config file from the preferences tab on the bitcoin-qt. Now, I have started testnet on it by the below settings. testnet=1 server=1 rpcuser=...
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Mempool not accepting transactions: 'reject-reason': 'insufficient fee'

I'm using Bitcoin Core, and for some reason, it doesn't want to accept transactions when I already have other transactions in the mempool, even if those transactions are using different UTxOs and they ...
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Using scantxouset method on bitcoind JSON RPC

BitcoinRPC class from here (ruby): https://en.bitcoin.it/wiki/API_reference_(JSON-RPC) btc = BitcoinRPC.new("http://rpcuser:[email protected]:18332") btc.getaddress => "...
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Bitcoin "scantxoutset" rpc command return response too slow

For one of our decentralized mobile wallet, We need to fetch balance of imported BTC address quickly. After lot of research on google then I found Bitcoin deamon rpc command "scantxoutset", ...
2 votes
2 answers
2k views

Bitcoind address index

Does anyone know some reliable Bitcoind fork which allows to use address index? I know that there are https://github.com/bitpay/bitcoin and https://github.com/btcdrak/bitcoin/releases But is seems ...
3 votes
3 answers
6k views

bitcoind error "mempool min fee not met" preventing me from sending btc on blockchain

When I want to send btc in block chain this message is appearing: BitcoindException(super=com.neemre.btcdcli4j.core.BitcoindException: Error #-26: 66: mempool min fee not met, code=-26). Who ...
2 votes
1 answer
800 views

bitcoind starting and then quickly shutting down automatically

Lenovo E460, 8GB RAM, Fedora 26, bitcoin core command line version 0.16.0, All blocks completely downloaded on a flash drive with 256GB capacity. I rebooted my machine today without stopping the ...
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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 ...
0 votes
1 answer
460 views

Manage multiple users wallets for web wallet service

This already summaries the issue I'm currently trying to figure out to calculate the transaction fee to prevent negative balance. (testnet) I tried using createrawtransaction answered. When I tried ...
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1 answer
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Is it possible to forward signed transaction using bitcoind prune mode?

Summary: Is it possible to perform createrawtranscation , signrawtransaction and sendrawtransaction rpc call using bitcoin in prune mode? Detail : I want to implement an API that performs p2p BTC ...
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1 answer
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Is there a method in the Bitcoin RPC API to view all transaction records of a given address?

I used the listtransactions method to get transaction records, but it returned an empty collection. Is it a configuration file problem or other reasons?
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How to set bitcoind‘s default connection count

When i start bitcoind with default set.I found the connectioncount is always 10(the result of command "getconnectioncount").I have two questions below: 1、Where is the source code about this ...
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1 answer
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Transaction net gain/loss

I have a TXid in my wallet that contains multiple transactions (multiple sends and receives). From what I read these are transactions the network creates facilitate splitting/combining multiple inputs/...
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Trying to run Esplora with existing electrs and bitcoind

I'm trying to run Esplora on a system that's already running bitcoind and electrs, both of which are working. Electrs is running on port 60001. echo '{"jsonrpc": "2.0", "...
2 votes
1 answer
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Moving the entire directory to new location for Bitcoin Core CLI

I use Bitcoin CLI and not the QT one, when syncing i used a external SSD to store blocksdata in SSD, obviously noob me didnt know of datadir function Now my Chainstate, txindex are in roaming folder ...
1 vote
2 answers
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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 ...
4 votes
1 answer
179 views

Problems with multiple wallets on RPC in bitcoin-core

I have been playing around a bit with Bitcoin Core (version 23.0), more specifically connecting to different wallets in Bitcoin Core through RPC in Python. I have found this library and tried to ...
6 votes
1 answer
3k views

How do I get the private key of an address in descriptor wallets? How to dumpprivkey?

When I run dumpprivkey from Bitcoin Core 0.21.1. I get the following error message: error code: -4 error message: This type of wallet does not support this command I came across achow's explanation ...
2 votes
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Intermittent connection issues - 'DataStream::read(): end of data: unspecified iostream_category error'

2 nodes run by me locally sometime connect sometime not and getting 'Connection refused' error on the node I am connecting from. On the node I am connecting to debug.log error message display the ...
2 votes
1 answer
372 views

How to build coinbase transaction from bitcoin core?

I am coding a program that connects to bitcoin-qt as local server. For building the blockheader i need the merkleroot, to build the merkle root, i need the coinbase transaction (which is not provided ...
1 vote
1 answer
2k views

How to perform CPU mining on bitcoin TESTNET on Linux?

I need approximately 100 Bitcoin Testnet to run an experiment on the lightning network. Any suggestion on how to run CPU mining? Should I use cgminer? Make any sense to perform solo mining on ...

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