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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46 views

Bitcoin Lightning Network

I created a channel in lightning network, did the payment and the channel balance of the receiver got updated. But after closing the channel , the wallet balance of the receiver is not getting updated ...
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1answer
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How to import address to a wallet which runs in pruned mode

I am running Bitcoin Cash node with prune=99000 mode enabled. So, I tried to import addresses of BCH from another BCH wallet by using importprivkey method and I am getting an error: Rescan is disabled ...
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1answer
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Running multiple bitcoin instances on same server system

I wish to run multiple instances of bitcoind on my server to support highly read intensive RPC applications. Following links: how to run multiple bitcoind node on one server? Running Multiple Full ...
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1answer
47 views

Why is Bitcoin Core full node so slow to sync?

After 12 hours, progress changed from progress=0.533751 to progress=0.541254, less than 1% progress. $ ./bitcoind ... 0 hours: 2019-10-12T17:57:11Z UpdateTip: new best=...
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1answer
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My full node seems to be rejecting tor connections

I'm running my full node with bitcoin core v0.18.1 with a mostly default configuration on debian 9.11. Port 8333 is forwarded through my router and I have 20+ node connections, so can safely assume ...
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TimeoutError: [WinError 10060] when trying to connect to bitcoin rpc from a pc on the same local area network

I have a laptop with win10 installed. It is now running a full bitcoin node perfectly. I am already able to make rpc requests from the laptop using python and get valid responses. The laptop is ...
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1answer
47 views

How do I get a full transaction index with Bitcoin Core?

How can I sync bitcoin full node so that I can access all details of transactions occurring on other nodes and other wallets also, like blockchain.info. I have synced a full node using below ...
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1answer
47 views

Import watch-only address to 0.18 core wallet, addresses missing

I am running new bitcond server $bitcoin-cli importaddress '32om7Xx7GnwxkiAQjpp3hhayDX4mSNLmR1' 'label' false $ it seems added. Then I try to list all addresses in wallet it return empty list. $...
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1answer
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Error Signing P2SH-P2WSH MultiSig - “Unable to sign input, invalid stack size (possibly missing key)”

I am trying to create and spend a P2SH-P2WSH transaction using bitcoin-cli but am getting "Unable to sign input, invalid stack size (possibly missing key)" when I try to sign the Multi-Sig transaction ...
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2answers
39 views

Is it possible to change private key

I would like to know if it's possible to change private key of bitcoin wallet via rpc call to bitcoind. Thank you for your answers
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1answer
34 views

Is Bitcoin Core required for wallet projects?

My team wants to create a cryptocurrency service provider platform to Sell/Buy BTC and something else in form of web/mobile app. It's about one month that I have been studying different articles about ...
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1answer
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From LND Bitcoin Wallet to Bitcoin Wallet

Let's say I have some Sats on Zap Desktop wallet. Is it possible to transfer the Sats out of the Zap Desktop Wallet to for example MyCelium?
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How to use “OP_CHECKSEQUENCEVERIFY” in regtest?

I have created a P2sh includes OP_CHECKSEQUENCEVERIFY and funded the same. I was trying to redeem the coins. But i could not understand the working of OP_CHECKSEQUENCEVERIFY. Below is the example ...
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4answers
68 views

What are some affordable options for running a full node?

I would like to start running a full node so I can start building bitcoin/lightning applications, but my laptop doesn't have the storage to do so. Does anyone have any suggestions on how I can ...
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10 views

Testnet daemon stuck at block 0

I installed bitcoind for the first time and configured it with testnet. I ran ./src/bitcoind -testnet -daemon and confirmed Bitcoin Core is running by trying to re-run the same command. The output for ...
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How work settxfee on 0.13.0? [duplicate]

I do bitcoin-cli settxfee 0.00088496 true or $fee = '0.00088496'; if ($bitcoin->settxfee($fee)) { and then $redeem = $b->sendtoaddress($address, 0.0001); And I expect payment in bytes will ...
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bitcoin-cli getbalance does not match balance with bitcoin-cli listtransactions

version of bitcoin-cli 0.17.1 when I try bitcoin-cli getbalance I get balance 0.00010471 BTC when I try bitcoin-cli listtransactions "*" 1000000 >aaa.txt and then calculate SUM(receive) -...
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zmq pubhashblock / pubrawblock during initial block sync

I've recently noticed that block data is not published via zmq during the initial sync (but transaction data is). Is that something to be expected, or could it be a misconfiguration of my node (or ...
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2answers
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Can't get the tx with gettransaction or getrawtransaction methods

I am running bitcoin-d (probably downloading the prev blocks) in a shell. In another shell i am trying to get the information of a transaction (...
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1answer
20 views

Targetting a specific wallet when sending commands using RPC commands to bitcoind

I'm very new to Bitcoin development, using its RPC API. I created a wallet using { "method": "createwallet", "params": { "wallet_name": "/wallets/walletA" } } Now I want to get ...
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0answers
11 views

Configuring bitcoind for rapid response

I have need do a lot request at the bitcoind (suppose that I wan to get all block inside the blockchain and save all script inside the transactions). What is the better configuration of bitcoind for ...
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1answer
21 views

Disable update of blocks locally with bitcoind cmdline option

I'm using blockchain2graph tool to import the Bitcoin blockchain into Neo4j. It uses JSONRPC calls to read block data. For this, I have to have the bitcoind service running. Is it possible to disable ...
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1answer
43 views

Was libbitcoin a part of bitcoin core in the past?

I am trying to use c++ code from the book of Antonopoulos for some time now and I seem to lack an include named bitcoin/bitcoin.hpp. To compile the code the g++ compiler gets a pkg-config input with ...
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Can I delete /home/USER/bitcoin after successfully installing bitcoind?

I wonder if I can delete the git folder I cloned after I did the installation. Probably yes, right? Do people do this? Or is it more usefull to update the git after some time and then build bitcoind ...
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1answer
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How secure is it to upgrade bitcoind?

The release notes of bitcoin-core suggest to just copy the bitcoind file, which appears on my system (Raspbian Butch) in /usr/local/bin. Since I built from source using ./configure I wonder how this ...
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1answer
23 views

Bitcoin RPC estimatesmartfee argument keys necessary?

I am attempting to use a PHP RPC Wrapper to connect to bitcoind for RPC API calls, estimatesmartfee, more specifically. My question is, do I need to specify the argument keys, or just the values? ...
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1answer
31 views

Bitcoin RPC RegTest not validating addresses

I am attempting to use Bitcoin RPC in regtest mode, however, when I try to validate a bitcoin address with the following function public function validateAddress($address) { $command = new \...
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1answer
37 views

Exit bitcoind gracefully in a bash script

I'm writing a bash script for some Bitcoin / Lightning experiments. I want to start bitcoind in the background (and also LN instances, but they are not the focus of this question). I want the script ...
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1answer
31 views

2-of-3 multisignature account with limitations on withdrawal

I want to create a 2 of 3 multi-signature account from where one can withdraw money only after a certain period of time. How can this be done?
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0answers
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How to segregate wallet from bitcoin core | Run multiple wallets in different servers on one centralized bitcoin node

I am running bitcoin full node in a centralized server. I have many web applications running in various places. I want to connect this web applications with centralized full bitcoin node. How to ...
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1answer
32 views

Acces Casa full node with Python

I have a bitcoin-core full node running and I want to access my node in Python, how can I retrieve the blockchain info?
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2answers
34 views

What testnet environment and configuration for Bitcoin?

Every tutorial I have gone through to download bitcoind, I haven't been able to complete because my computer can't handle the full node download. These are my specs: 2017 Processor - 2.3 GHz Intel ...
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33 views

Bitcoin multisignature addresses

Suppose we have a multisignature address "abc" with 100 coins in bitcoin regtest network, I want to that 100 coins in 10 slots that is i want spend 10 coins at a particular interval. I tried the ...
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26 views

How do I determine the descriptor of a given Extended Public Key?

I am trying to run the bitcoin-cli getdescriptorinfo on a ypub... extended public key. Every time I do this I receive the message: error code: -5 error message: Invalid descriptor How can I ...
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35 views

Bitcoin rpc testnet balance and transaction not visible

I'm using bitcoind-0.15.0.1 version & My Wallet Address is: muweVvHKnK1bE88pUsrpSAPuWry1V1AmHZ But whenever checking balance with following command: bitcoin-cli getreceivedbyaddress '...
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Why is systemd service file not using my config and why is it failing in general?

When I start simply with bitcoind and stop with bitcoin-cli stop everything works fine. But if I start bitcoind with sudo systemctl start bitcoind and I made this /etc/systemd/system/bitcoind.service:...
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2answers
52 views

How to reduce Bitcoin loaded wallet memory?

The server has 2GB of RAM memory. It takes up a lot of memory when I create or load a wallet. When I create about 50 wallets, the server is very slow because the memory is full. Is there a way to ...
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27 views

fundrawtransaction with watch-only address

I am trying to fund transaction with watch-only addresses: $ bitcoin-cli getbalance '' 1 true 0.38810000 $ bitcoin-cli createrawtransaction '[]' '{"3Qxjvxyg9Pf67JU9MBNKVpJQ9rmALVnjt3":0.00001}' ...
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26 views

Why does bitcoin-core wallet generate a new wallet during transaction? [duplicate]

I wonder why bitcoin-core wallet automatically generated a new wallet address during transactions. If you see this transaction, https://btc.com/...
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1answer
93 views

Why is 550 (MiB) chosen for minimum storage size for prune mode?

As you know Bitcoind can run in pruned mode, thus not advertising blocks to other nodes. Even though it has some drawbacks, saving you storage space isn't a benefit you can ignore. My question is ...
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24 views

Some weird BTC transaction just happened to my wallet, sub wallet doesn't send back the BTC to my wallet [duplicate]

So my wallet address is 3BA1kdxSyFLADWJHDeaFb2xap4QASVvXto First I sent 0.00010000BTC to 1FjpQCZvqQxpGjvdU8AcxVyxXgJqY17Uzw (https://btc.com/...
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2answers
51 views

how coin exchanges protect them self against stealing coins?

Let suppose we have e-shop where you can buy with bitcoins. In this case, there is bitcoind that have locked wallet. In fact this wallet is never unlocked, because you can have another wallet on ...
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2answers
35 views

Why do I have a socket.timeout with python-bitcoinlib?

I am using a small script and get a timeout from python. This is my script: import bitcoin import bitcoin.rpc from bitcoin.rpc import RawProxy p = RawProxy() hash = '...
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1answer
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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 ...
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1answer
21 views

What different options are there to start bitcoin on command line?

I had troubles with my client on a Raspberry because it was using the wrong configuration file and I could not find any entry in the configuration file that referred to the right location of the data ...
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2answers
35 views

What role has bitcoin-init as a process?

I have set up a node on a RaspberryPi. When I check for active processes with top I see bitcoin-init occupying 50% of memory and 7% of CPU. I can check for bitcoind and it is active: bitcoin@...
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Do I need to download whole blockchain?

Im using bitcoin core debian linux to process payments on my shop using RPC API calls. Now im switching wallet server, do I need to download whole block chain in order to process transactions on my ...
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Creating a “listunspent” API call using MongoDB

I used a tutorial online to create my own block explorer (https://www.youtube.com/watch?v=laeV2slJgc8). In this tutorial, I used "Iquidus" to create the block explorer, which uses MongoDB and Node....
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1answer
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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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1answer
87 views

Compiled version of bitcoind 0.18.1. “Could not connect to the server 127.0.0.1:8332”

When I use the official installed bitcoind 0.18.1 everything works fine. I can use the bitcoin-cli with any comands and don't get any errors. After that when I compiled 0.18.1 myself I can't use any ...