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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1answer
42 views

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
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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3answers
1k views

SegWit, Bitcoin JSON-RPC and (strange?) addresses

I'm trying to analyse this transaction: https://blockchain.info/tx/a388d6f88373aacf2a5c170eeff4adf51f2c6744da26375d5890f42d653a2e6c I used to be able to just run bitcoin-cli getrawtransaction txid 1 ...
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0answers
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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2answers
68 views

What are the web3py equivalent for communicating with bitcoin in Python?

I am fairly new to working with Python, I have a requirement where I need to perform some basic bitcoin operations on my local system rather than relying on some external API's, those function mainly ...
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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
31 views

What are the downsides of integrating accumulators like utreexo to bitcoind?

Inspired by the discussion in this question I wonder what would be the downsides of adding accumulators like utreexo (paper at: https://eprint.iacr.org/2019/611.pdf) to bitcoind? On the positive ...
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1answer
18 views

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
414 views

Sendrawtransaction error with locktime : 64: non-final txid

I have created raw transaction with locktime and sign it. The lock time is already passed but still got error like this when sendrawtransaction 64: non-final txid the locktime value is 1523515709 ....
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1answer
18 views

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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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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0answers
14 views

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
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
344 views

Is it possible to make transaction using wallet private key

I have a private key of a bitcoin wallet . Is there is any way i can check balance and make transaction using bitcoin core without importing private key.
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1answer
36 views

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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3answers
920 views

how to run multiple bitcoind node on one server?

I have created one full node bitcoind on my VPS, that one is serving application A. Now I want to create application B that has another node but on same VPS. is that possible to install multiple ...
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1answer
33 views

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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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
2k views

publicly available json-rpc node for bitcoin-cli connection

There is a service provided by blockchain.info described on json_rpc_api page. More or less it describes the API that user can use to access their blockchain similar way as using bitcoin-cli to own ...
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2answers
101 views

how to set the transactions fee using the RPC call?

I am creating the web wallet for the bitcoin , I want to allow web wallet users to set the transactions fee . Is their is any rpc call available for setting the transactions fee (for setting ...
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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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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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2answers
57 views

How to replicate getaccountaddress behaviour using getnewaddress and labels api

The problem is getaccountaddress is getting deprecated and it has specific behaviour (not related to accounts) I'm relying heavily on. It gives you the same address between multiple calls as long as ...
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2answers
880 views

How to get notification on bitcoin receive with bitcoin core

How can I get Bitcoin receive notifications with Bitcoin Core. I have tried the walletnotify and blocknotify options. walletnotify is fired two times when I send or receive bitcoins. And with ...
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0answers
64 views

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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1answer
63 views

Prompting an account name

I made an account "hello" in bitcoin daemon and wanted to run this. Whenever i put in hello when prompted, getac1 would return empty array; whereas, getac2 and getac3 returns addresses associated with ...
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0answers
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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2answers
43 views

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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0answers
35 views

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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2answers
2k views

How do you change rpc password?

I'm trying to run bitcoind with a changed conf file, but for some reason the password it thinks is incorrect. Is there a way I can change the rpc username and password?
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0answers
16 views

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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0answers
34 views

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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0answers
19 views

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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1answer
19 views

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
1k views

bitcoind sendfrom with minconf=0

Is it possible using bitcoind JSON-RPC API to receive funds from someone and send it immediately to another third-party address? I do not want to wait for 1 confirmation. getbalance with minconf=0 ...
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1answer
239 views

How to create multi-user wallet or wallets supporting off-chain transactions

I want to implement the wallet to create bitcoin and altcoins exchange and store system. Somehow create random or HD wallet that holds and store upto 50 user public keys.But users will not have ...
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1answer
68 views

json-rpc of bitcoin not working for testnet(curl command)

I am trying this command to get transaction from bitcoin testnet: curl --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "gettransaction", "params": ["txId"] }' -H 'content-type: text/...
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1answer
32 views

Save state to the disk at abrupt bitcoind shutdowns

I have a bitcoind running, and after new blocks being synced, sometimes I kill it(without stop command). Next time, when I start it, it goes through already synced blocks. Is there any way to force ...
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1answer
31 views

How do I install a second independent C-lightning node on the same machine as one with an already operational node?

I have followed the steps to install a C-lightning node on my Ubuntu machine. I wanted to know if I could install configure and make a second node on the same machine where both could run in tandem?
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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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1answer
32 views

using rpccookiefile instead of username and password for antminers

I mine using username and password at the moment but as bitcoin core is changing over to rpccookiefile. My question is, if i use rpccookiefile how do i point my antminers to my local bitcoind 'pool' ...
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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
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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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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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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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
1k views

json_rpc_call solo mining with bitcoin running on Windows 7 for antminer

I setup BitcoinD on a Windows 7 PC. I configured for defaults except user/pw and rpcallowip=192.168.1.0/255.255.255.0. have also tried 192.168.1.* with no luck. I ultimately want to use an Antminer ...
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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 \...