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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Bitcoin Core Node Stops Continuously

I've recently setup a Raspberry Pi 4 to run as a Bitcoin Core node. I've noticed that after starting Bitcoin Core is shuts down after a short period of time. My first thought was that the Pi was going ...
jctbtc's user avatar
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Can't to send btc with bitcoin-cli

I sent transaction with bitcoin-cli: bitcoin-cli sendtoaddress tb1q3qlv7k648hec866a0x395hq0h3sqcg2lrq5r0k 0.001 As an answer I've got transaction Id. But it still has no confirmation (a few hours). ...
Mikki Ukraine's user avatar
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Having issues when starting Lnd. Lncli create command provides no output

I have lnd running on MacOs (m2 machine) with Bitcoind as a back end. Bitcoin is in my external SSD drive. When I start Lnd, I am able to get to the lncli create option, but the lmcli create command ...
Anasosadances's user avatar
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33 views

Listunspent does not return all utxos [duplicate]

I am using Bitcoin Core to get all UTXOs for watchonly imported addresses. The strategy is the following: I load a new wallet await client.execute("loadwallet", ["testwallet"]) I ...
Nahum Maurice's user avatar
1 vote
1 answer
76 views

P2WSH Bitcoin Core Witness Script Empty Error

I am trying to spend a P2WSH output. Here are the steps I have taken: I have created a P2WSH output via bitcoin-cli. These are the details of the P2WSH output: Type V0_P2WSH scriptPubKey (asm) OP_0 ...
BitcoinQuestioner's user avatar
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74 views

How to buy BTC with a non custodial wallet directly?

I apologize if this question does not make sense. But please correct me if I'm incorrect. If someone has a US Bank with a positive balance and has created a wallet using the bitcoin core "bitcoin-...
Ralph Yozzo's user avatar
3 votes
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45 views

bitcoind still running after 'bitcoin-cli stop'

I'm running Debian 11, all updates installed. 12gb RAM, massive internal SSD for storage. $ /usr/local/bin/bitcoin-25.0/bin/bitcoin-cli stop has worked well shutting down bitcoind on my computer until ...
Lilacrail's user avatar
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Why is hosting a public bitcoind RPC node not more popular?

Seems like it would be a great way to expand the usability of Bitcoin, i.e. tell your friends to send their transactions to your node when they are not at home and then their client software only ...
jason's user avatar
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How to replicated the 256 MiB memory "Bare Minimum" setup of `bitcoind` from bitcoin.org

I was interested in using a Raspberry Pi Zero W to run the claimed "Bare Minimum (With Custom Settings)" install of bitcoind on either Gentoo or Linux From Scratch. It was suggested that it ...
Dan's user avatar
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It necessary to stop bitcoind when I shutdown Linux server? It will stop safely by it own?

I run bitcoind on mini pc using Debian as headless server -auto run by cron and without connect monitor-. Normally when I want shutdown, I do "bitcoin-cli stop" then "shutdown now"....
Prapan Chulapinyo's user avatar
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Where does Bitcoin Core implement announcement of blocks optionally by `cmpctblock` or `inv` messages?

In BIP152 implementation note Nodes MAY impose additional requirements on when they announce new blocks by sending cmpctblock messages. For example, nodes with limited outbound bandwidth MAY choose ...
masuda's user avatar
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2 answers
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Bitcoin node : importprivkey does not import all getnewaddress previously created

I have a problem with my bitcoin wallet recovery process. I have a wallet with thousand of address attached created with RPC method 'getnewaddress'. I would like to have a recovery process for this ...
albaokilml's user avatar
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More detailed historical trx info (fee, sat per byte, transferred value in trx, from, to) from electrumx server?

I run bitcoin full node and Electrumx server over it for getting historical data. The methods that I frequently used were "blockchain.scripthash.get_history" and "blockchain.transaction....
mjdimn's user avatar
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2 votes
1 answer
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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 ...
Ravi Ojha's user avatar
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Is versionbit 28 on testnet something that can be disregarded?

My testnet node is displaying a value in the getblockchaininfo warnings field related to versionbit 28, which I see referenced in various threads going back years. The angles I'm trying to address are:...
Nicholas Sandomeno's user avatar
1 vote
1 answer
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What is the best way to restart bitcoind after a bitcoin.conf change (Ubuntu 23.10)

I'm curious about the recommended way to restart a systemd service after a configuration change or if there is any particular issue with running sudo service bitcoin restart to have the config change ...
Nicholas Sandomeno's user avatar
4 votes
1 answer
162 views

Can I safely share my bitcoind instance for separate LND instances of different users?

Currently I have my own full bitcoind node running on a VPS and an LND instance connecting to it and working fine. However I am thinking, what if I share access to my bitcoind node to some other users ...
Sergei Basharov's user avatar
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NodeJS code to deobfuscate chainstate data

I am currently working on a Blockchain trading platform for a company and I want to have all the unspent output saved to a local database by reading the contents of chainstate folder but I couldn't ...
Topman's user avatar
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Bitcoin-cli keeps crashing around block 810180 and will always restart at block 809941

So I'm downloading and syncing the blockchain using bitcoin core. Whenever it teaches block 810810, the terminal will just close by itself and then I restart the node, it will start syncing from block ...
Jonathan Gafar's user avatar
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1 answer
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How to get block height from CTransactionRef object in Bitcoin C++ code?

I'm working with the Bitcoin core code. I have a CTransactionRef object and I'm trying to determine what the block height of the block containing the transaction is. What would be the most efficient ...
danosphere's user avatar
1 vote
1 answer
51 views

Understanding Bitcoin Blockchain Storage and the Usage of Merkle Trees [closed]

I'm currently learning about the Bitcoin blockchain. I've come across the concept of Merkle trees in the context of Bitcoin. I understand that Merkle trees are used to verify the integrity of the data,...
mlibre's user avatar
  • 133
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bitcoin-cli getrawtransaction not working as expected?

So I'm trying to set up a full bitcoin node. I compiled bitcoin core fine and I created a config file. I want to download the entire history of the blockchain, so I created a bitcoin.conf file in my ./...
Jonathan Gafar's user avatar
1 vote
1 answer
59 views

How should I be using rpcbind and rpcallowip (bitcoin.conf)

I have been very confused on how to use the rpcbind and rpcallowip arguments for bitcoind. I have a bitcoin core node running on a raspberrypi and I want it to accept json-rpc calls from one of my ...
NeonTears's user avatar
1 vote
0 answers
57 views

Transaction in local mempool not broadcasted further

I created a bitcoin transaction from lnd (lncli sendcoins), and it seems to be created successfully and I can see it in my local bitcoind mempool: bitcoin-cli getmempoolentry abdctxid { "vsize&...
Dmitry Laptev's user avatar
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33 views

Bitcoin Mainnet Initialization Crash

I am trying to initialize a fully functional working mainnet node. The initial download with bitcoind works fine until the cache reaches around 600MiB. After which it crashes. The entire 600MiB is ...
Sumitava Biswas's user avatar
2 votes
4 answers
157 views

Is it possible to run Bitcoin Core (GUI) at the same time as bitcoind?

I'm in a very frustrating situation. I used to run Bitcoin Core on Windows, without these problems, but ever since I switched to Linux (XFCE), and I of course have Bitcoin Core (GUI) starting ...
V B's user avatar
  • 21
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67 views

Why do I get incorrect password error when running bitcoind?

2023-07-24T19:29:18Z ThreadRPCServer incorrect password attempt from 127.0.0.1:34976 2023-07-24T19:29:18Z ThreadRPCServer incorrect password attempt from 127.0.0.1:34992 2023-07-24T19:29:23Z ...
shishna's user avatar
0 votes
1 answer
197 views

Error: Unable to start HTTP server. See debug log for details

I have been looking around quite a bit about ways to solve this error and none of them have worked. To give some context, I am running a full node on a raspberry pi and everything is working just fine ...
NeonTears's user avatar
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27 views

Light client portability to WASM to run in the browser

Are there any projects out there that have ported a bitcoin client to wasm so you can run it in the browser?
monkeypotter's user avatar
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307 views

timeout on transient error: Could not connect to the server 127.0.0.1:8332

I finished installing Bitcoin on a raspberry pi a couple days ago and have a problem. Everything worked fine yesterday (I was able to run bitcoin-cli commands just fine) but now whenever I run "...
NeonTears's user avatar
0 votes
0 answers
50 views

Bitcoin Payment Processing

I'm currently attempting to create a website where Bitcoin Core is used as a payment processor. I initially planned on making the user input a xpub, but after seeing issues like gap limit on Exodus, I ...
bitcoin is undocumented asf's user avatar
1 vote
1 answer
150 views

Bitcoind.service can't start on mounted drive

I'm a developer and I try to install bitcoin-core 25.0 on ubuntu 22.04 on a mounted drive; as long as I run the command bitcoind -daemon as a root, everything is fine and I'm able to write some blocks ...
Ndou'ou Ba Ndoum's user avatar
2 votes
0 answers
42 views

Is there a way to schedule bandwidth-intensive functions of bitcoind?

Some Internet service providers have different pricing at different hours. Is it possible to limit some functions of bitcoind to specific time ranges? ...especially initial block download (IBD) and/or ...
Robert Dickinson's user avatar
1 vote
1 answer
186 views

How to get mempool tx ordered by sat/vbyte

I want to get the mempool data ordered by sat/vbyte to understand which transaction will be confirmed. In order to get the mempool txs I use: "bitcoin-cli getrawmempool" in command prompt. ...
Gencehan ARPAÇAY's user avatar
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0 answers
44 views

How can I tell if bitcoind is done reindexing?

I started reindexing yesterday and I've read around online. Some people claim it only takes a few hours, others say it takes a few days. How can I verify when it is done?
bitcoinluvr6969's user avatar
3 votes
2 answers
409 views

How to increase fee of existing transaction with bitcoin-cli

I have broadcast a trasnaction from my bitcoincli wallet using this command: ./bitcoin-cli sendtoaddress ADDRESSGOESHERE 0.1 The problem is, it has set the fee to a very low amount by default. After ...
lipp's user avatar
  • 31
2 votes
0 answers
72 views

ZMQ hashblock doesn't work

I'm running a full node, bitcoind .. -zmqpubhashblock=tcp://0.0.0.0:3001 -zmqpubrawtx=tcp://0.0.0.0:3001 rawtx events work great, but not getting any hashblock ones. Node is fully synced, I can see ...
Eva4684's user avatar
  • 41
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0 answers
61 views

bitcoind keeps crashing / using up all resources

I have a 12 vcpu 24 gb ram vps server running bitcoin core and the daemon will sometimes randomly crash or it will sometimes take up all of the 24gb of ram. Just trying to stop the daemon using the ...
Lenneth's user avatar
  • 21
1 vote
0 answers
104 views

Rolling forward [hash-of-the-block]

can somebody explain me what's the meaning of a Rolling forward after a reindex of the chain in the log of bitcoind? Thanks in advance
nico's user avatar
  • 89
2 votes
2 answers
97 views

Bitcoind python connection

I'm trying to connect to bitcoind with python3. I'm currently following the instructions of Antonopolous book. This is my code on an IDE: from bitcoin.rpc import RawProxy p = RawProxy() info = p....
Pariya's user avatar
  • 41
2 votes
0 answers
52 views

How can I change the bitcoin core version within an already installed blockchain?

I want to change the version in the corresponding directory with git tag and git checkout vx.y.z. But when I type git tag there's no output. How can I change the version without installing the ...
Pariya's user avatar
  • 41
3 votes
1 answer
145 views

Bitcoin Core v23 using more inputs than necessary costing more fees

Bitcoin core v23 has been handling input selection just fine until the feeRate (in kvb) was set to "0.0005". It began aggressively consolidating inputs costing me more in paying for ...
Sky Tech's user avatar
5 votes
1 answer
147 views

Testing pruning logic with bitcoind

I'd like to test pruning logic using bitcoind in regtest mode, however, given the nature of regtest, blocks are rather empty (if not fully). Is there any way of easily generating full blocks so the ...
sr_gi's user avatar
  • 3,192
0 votes
1 answer
62 views

weird block check after a reindex

is it normal that after a reindex the block check restarts strangely fast up to a certain point? My node was already synced. The GIF is not speeded up. It's the real speed of the sync... Thanks in ...
nico's user avatar
  • 89
1 vote
0 answers
67 views

New resync after a complete reindex

After an error with LevelDB (corrupted) I did a reindex and after that bitcoind automatically start a new synchronization. This seems much faster some times, it started from genesis and in 1 hour it ...
nico's user avatar
  • 89
3 votes
0 answers
119 views

bitcoind performance issues

I am struggling with poor performance of Bitcoin Core full node, which is used as a hot wallet. There are similar questions already but without an answer or solution Bitcoind Performance for ...
Vojta Myslivec's user avatar
2 votes
1 answer
63 views

LevelDB error after power outage

After a power outage, starting bitcoind I recieved this errors (circled in the image). Reading online some users suggest to do a reindex and i did it but after 11 hours my node isn't reindex yet... ...
Niko's user avatar
  • 23
0 votes
1 answer
66 views

Mainnet node sync really slowly with 12 tb seagate external hdd says data rate is 6gb/s

Hi my node is syncing really slowly I have the datadir in an external hard drive connected through usb. Says the data rate for this seagate 12TB is 6Gb/s but the syncing is slow in comparison to when ...
meanthatmuchtoyou's user avatar
4 votes
1 answer
202 views

How can I create a simple P2SH transaction in regtest?

I'm running bitcoind in the regtest mode on my computer. I need at least one transaction that spends a P2SH output in my local blockchain. Is there a way to create a P2SH transaction using bitcoin-cli?...
Amir reza Riahi's user avatar
0 votes
0 answers
304 views

Failed to connect with gRPC to remote LND: failed to connect to all addresses unavailable

I want to connect to my LND running on a raspberry pi linux from my macOS with gRPC. On the raspberry pi is also a bitcoin full node running bitcoind regtest. I used this tutorial: https://github.com/...
Luca F's user avatar
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