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).

Filter by
Sorted by
Tagged with
0
votes
1answer
26 views

What are the various Bitcoin nodes available which I can connect to via my lightning node

I am thinking of running my own lightning node in testnet. Going through the tutorials it seems the lightning node needs to be connected to bitcoin node inorder to get connected to bitcoin network. ...
0
votes
1answer
28 views

how to connect to bitcoin node in javascript without running a local node

I am trying to get some bitcoin network data and I am using bitcoind-rpc library. If i just run their example: var run = function() { var bitcore = require('bitcore'); var RpcClient = require('...
0
votes
0answers
31 views

What is the default username and password for bitcoin the rpc deamon?

What is the default username and default password for the bitcoin rpc? I have a bitcoin daemon running, but there is no bitcoin.conf file. If I attempt to query the RPC, I get a 401 Unauthorized ...
0
votes
1answer
16 views

only synchronize the memory pool transaction by bitcoind daemon

I want to use bitcoind to only synchronize the memory pool transaction, and close the block synchronization; I am going to monitor the dynamics of the memory pool in real time; are there parameters ...
0
votes
1answer
53 views

Can you program a transaction to automatically run once fees are low?

Can i program a bitcoin transaction to run when the network is not as busy or when fees are low? If you are not in a rush to complete trx.
0
votes
1answer
38 views

Is there a list of processes within Bitcoin that use hash functions?

Hashing within Bitcoin is done in several different areas of the code. EG: We have the SHA-256 mining algorithm, the Merkle tree hashing, and I believe double hashing within certain areas (SHA-256D). ...
0
votes
1answer
33 views

How to set up a listener on an address, and trigger events upon receiving transaction?

I have a task where I need to set up some sort of a listener on a particular bitcoin addresses for incoming transactions, and once a transaction arrives, I need to call some function in my web service....
1
vote
1answer
36 views

Why is the rate of reindexing chainstate not constant?

What determines the speed of the reindexing-chainstate in the different times? I spend a few days (2 week) for reindexing locally on my new HDD, and I noticed one thing: the speed of reindexing is ...
1
vote
0answers
46 views

How to secure bitcoin node (bitcoind) that is used only to broadcast transaction?

I always wanted to run a bitcoin node at home. But I always worry because it is related with bitcoin (BTC has value). I have been broadcasting my transaction using Bluewallet by scanning qr code, or ...
0
votes
0answers
31 views

How to mine continuously in segtest with version bitcoin-0.20?

I am just learning the bitcoin codes for version bitcoin-0.20 and I make it successfully. Additionally, I have only one PC. I want to mine continuously in segtsest, however I only found methods below: ...
0
votes
0answers
40 views

How to load Bitcoin-qt using blockchain directory already existing on a hard drive?

I've had issues with downloading the blockchain using windows/mac. For some reason, it would eventually cause an issue whilst downloading and cause me to have to start again. Instead, I have been ...
0
votes
1answer
37 views

Inactive nodes, validation & 51%; full & partial nodes; validation by miners vs wallets

Questions Suppose a node doesn't have internet connection then it would not receive the broadcast of other nodes then does the blockchain propagates without the validation of that node ( that is, is ...
0
votes
0answers
32 views

Copy data from full node to a new pruned node to sync faster

I already have a full node synced with blocks and chainstate folder, however i wanted to run a pruned node, is there a way to copy the blocks or chainstate folder to make the initial sync of the ...
0
votes
1answer
26 views

Node Stability And Troubleshooting

Background: Not a lot of linux experience but technically able What's the best way to troubleshoot the stability of bitcoind? I've had it just stop for no discernable reason. I'm doing a full sync ...
0
votes
1answer
47 views

Why .bitcoin is at /root in Arch/Manjaro Linux?

I've installed bitcoin-core and downloaded the blockchain in Ubuntu. Now that I have switched to Manjaro Linux and installed bitcoin-core again, It creates the .bitcoin directory in /root/.bitcoin/ ...
0
votes
0answers
40 views

Verify everything is functioning in my full node

This is a newbie question, sorry. I recently bought Bitcoin and thought I would do something to support the system that I have invested money in. So I bought the hardware to run a full node. I just ...
1
vote
1answer
18 views

Macro HAVE_DECL_FORK

I'm a new learner of bitcoin project. I'm aware that the macros in header file config/bitcoin-config.h and whole file itself were generated by autoconf. Looked into configure.ac, regarding to fork ...
0
votes
0answers
16 views

Node won't start after raspberry pi update

I shut down my new node today for the first time using the stop command to update and restart the Raspberry Pi that it runs on. After booting the pi back up, I do the full path command to run bitcoind,...
0
votes
0answers
29 views

How to merge the datadir with .bitcoin directory?

I changed the path of datadir in bitcoin.conf from .bitcoin directory to somewhere else. Now that I need to backup my blockchain data, I want to have both .bitcoin and blockchain data together. ...
2
votes
0answers
47 views

Pruned Bitcoind Backend for LND with txindex enabled for version > v0.13.0

I'm looking to prune a bitcoind node that will be used by LND. https://github.com/lightningnetwork/lnd/commit/410b30b9caaf59a78a29d8b924e14395b7daa59d From the LND commit recently by Kixunil. Note ...
2
votes
1answer
27 views

How to get peer nodes information from bitcoin CLI?

I saw a feature called Node Window in the bitcoin GUI environment, that shows information about peer nodes, like User-Agent, Received (Data), Sent (Data), Ip, etc. How do I can get such information ...
1
vote
0answers
19 views

Procedure to recover BTC stuck in 2/2 Multisig

I opened a 2M Sat Channel and my peer should send me back 1M Sats Onchain, as I have pushed half. Now unfortunately, I’ve sent my peer the address of the 2/2 Multisig of the funding TX and not the ...
1
vote
1answer
64 views

Bitcoin core initially downloads IBD quite fast , then it slows down a lot , What could be the reason?

I am trying to setup a bitcoin node , ran bitcoin core and it started the download process quite fast ETA 18 hours , gradually the speed decreases . When I started download it showed like 17 hours ETA,...
0
votes
0answers
21 views

How to parse output from getblocktemplate in python?

I am able to connect to testnet and make a RPC call to getblocktemplate , but stuck at the point as how to parse the output to start minining . I referred to https://github.com/luke-jr/python-blkmaker ...
0
votes
0answers
33 views

How to compute deposits from the output of listsinceblock?

I am writing a program that, given the JSON outputs from multiple separate RPC calls to listsinceblock, stores valid deposit transactions in a database and then computes the total deposit for every ...
0
votes
0answers
26 views

Regtest mode lose blocks?

I'm playing with bitcoind, I'm an started in this subject and I'm playing with the regtest=1 option of course. The thing is that after one day all the transactions are lost, I'm trying to get the ...
1
vote
1answer
77 views

How would I ever know if my solo miner found a block?

I've tried solo mining in two ways: using cgminer, ASIC and ckpool using minerd connected to my own instance of bitcoin-qt. Either way, I've never seen any indicator showing that I have mined 0 BTC, ...
0
votes
0answers
17 views

Is there a way to list Unspent transactions for a BTC address that is not part of the Wallet, without importing the address to Wallet [duplicate]

Is there a way to list Unspent transactions for a BTC address that is not part of the Wallet, without importing the address to Wallet. I am looking for a rpc function similar to listunspent which is ...
1
vote
1answer
66 views

Does Bitcoin-core support creating a new Bitcoin blockchain?

My goal is to add a new feature to Bitcoin, which requires changing the structure of the Bitcoin blockchain. So I was wondering if Bitcoin Core supports having a new/own Blockchain? If so, how to do ...
0
votes
0answers
25 views

Regtest at height 120k took 600ms to generate a block

Just doing while : do time bitcoin-cli generatetoaddress 1 <non_local_wallet_address> bitcoin-cli getblockcount done brings regtest blockgen times up to 600ms when generating a block at the ...
2
votes
1answer
88 views

Bitcoin HD Wallet using C#

What packages do I need to use for creating Bitcoin HD Wallet in C# using BIP44? How can I connect to a remote Bitcoin Node to read all the deposit transactions received by various child addresses in ...
0
votes
0answers
24 views

I am working on a Bitcoin HD Wallet implementation in C#, Trying to build a HD Wallet offline for subscribed users following BIP44

I am working on a Bitcoin HD Wallet implementation in C#, Trying to build a HD Wallet offline for subscribed users following BIP44. Is there a way use a remote node for looking at the Received ...
0
votes
1answer
28 views

Running bitcoind regtest with docker containers

I am running bitcoind regtest locally with the method from this article https://medium.com/ssde/how-to-use-docker-to-setup-multiple-bitcoin-test-nodes-on-your-own-mac-phase-i-8c6e5442c189. However, ...
1
vote
1answer
55 views

Bitcoin transaction not confirmed since 3 days ago [duplicate]

Hello I might sound stupid but it’s been three days since I issued bitcoin transactions, all unconfirmed so far. I use Blockchain.com to manage my wallet and have done everything normally (I think, as ...
0
votes
0answers
17 views

What is upgrade fee in trading?. Is it necessary to pay? [duplicate]

I trade in standard crypto trading.. initially I trade for $100.. After they asked me to pay $300.. And said then only I can receive my profit.. after they said trade completed.. and I received profit ...
4
votes
1answer
66 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 ...
1
vote
1answer
45 views

Python code error : Hash greater than Target

While trying to run a reference code from GitHUb i am getting an error "Cannot Mine-Hash is greater than Target". As i am just a beginner with coding i am not able to figure this out. Kindly ...
1
vote
1answer
194 views

I can't start bitcoind on Raspberry Pi. Why do I need settings.json.tmp when I didn't need it before?

I've reset my raspberry pi because after configuring Samba, bitcoind started downloading the blockchain much slower. Removing Samba didn't return it to the original speeds so I figured starting with a ...
1
vote
1answer
84 views

`reindex-chainstate` configuration in bitcoin.conf?

Is there a specific flag I can place in bitcoin.conf to reindex the chainstate (not command line)? Ie: reindex=1 does a full reindex is there a flag like reindex-chainstate=1 or similar?
1
vote
1answer
50 views

Can bitcoind listen on both ipv4 and ipv6?

Can bitcoind listen on both ipv4 and ipv6? I know it can make outbound connections on both (onion and i2p) but can it also advertise multiple public hosts if available? This question was asked by ...
3
votes
2answers
48 views

Is there a way to avoid sendtoaddress from "sweeping"?

I have a wallet that has several hundred small amounts residing at multiple addresses. I noticed yesterday that, when sending a relatively small amount to a third party that the bitcoind "swept&...
0
votes
0answers
33 views

LevelDB checksum mismatch. How to start reindex from corrupted .ldb again?

I faced the problem twice in 2020 and the reindexing takes 2-3 weeks without stopping. I got the same error on another hard drive when it reindexed about 50% and got an error in the last .ldb file. ...
0
votes
0answers
22 views

N5boost10filesystem16filesystem_errorE [duplicate]

I got this message when I run bitcoind EXCEPTION: N5boost10filesystem16filesystem_errorE boost:: filesytem:: create_directory: File exists: "home/sats/.bitcoin" bitcoind: chainparambase.cpp:...
0
votes
0answers
21 views

Reuse of rpc cookie authentication

I'm looking for clarification of an answer on original thread where the accepted answer states "This option (the authentication result from Python) can be specified multiple times" As I ...
0
votes
0answers
14 views

I was given a bit coin when they first came out is there any chance of retrieval [duplicate]

I was given Free bit coins when they were first on the scene what happened to them
2
votes
0answers
88 views

Error sendrawtransaction BTC 0.21 Fee exceeds maximum configured by user

How to fix Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate) (code -25) in BTC 0.21? sendrawtransaction "hexstring" Result: Fee exceeds maximum configured by user (e.g. -...
1
vote
0answers
29 views

Get/Calculate Address

I'm currently using a program that analyses the block files. It splits all the stuff into multiple .csv files. Is there any method I can do to get the addresses & amount sent/received from tx_in ...
0
votes
1answer
50 views

Accessing bitcoind from python module hits error

I am experimenting with the blockchain a bit, specifically trying to use the python-OP_RETURN module to put a few bytes into the blockchain op_return field. To use this module I blv I need a running ...
1
vote
1answer
38 views

Why are adresses not showing up in gettxout?

I have a bitcoin node but whenever i try to gettxout i get this response: user@bitcoin:~# bitcoin-cli gettxout "0e3e2357e806b6cdb1f70b54c3a3a17b6714ee1f0e68bebb44a74b1efd512098" 0 { "...
0
votes
0answers
33 views

How can i locate my deceased husbands bitcoin? [duplicate]

My husband passed away 4 years ago and he bought a lot of shares in bitcoin when it first became a thing. How can i find out who he purchased these through in order to accuquire about his shares?

1
2 3 4 5
44