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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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490 views

Failing to build bitcoin-core v0.13.1

I have done quite a few upgrades in the past and this has never happened before: $ uname -a Linux back 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux $ git checkout v0....
0
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0answers
26 views

Bitcoin walletnotify doesn't pass the txid as %s

Thoroughly searched this online but haven't found an answer yet. Basically I'm using the below line in my conf file: walletnotify=C:\pathname\filename.py %s It is supposed to run my python file ...
1
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0answers
18 views

getbalance and listaddressgroupings inconsistent

I imported a private key from my electrum wallet (testnet) to bitcoincore (testnet) as follow: In my electrum wallet, I copy the private key associated to the address ...
0
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2answers
74 views

What will happen if i change the checkpoint data from bitcoin source code and try to synchronice with blockchain?

Suppose i have fully synchronosed bitcoin node running in my local machine and i change its checkpoints data apart from its genesis block and recompile the code. Now what will happen when i try to run ...
0
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0answers
23 views

api limit workaround

Are there any ways to avoid limitation for api calls (5/sec)? I need the info about transactions and balance (of certain account), UTXOs and the ability to broadcast my transaction. Currently I am ...
0
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0answers
19 views

Can I safely delete database.bak from wallet folder?

In order to save space. I cleaned it up and now my bitcind in freezing, but this might not be the cause.
0
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0answers
17 views

How to use bitcoin-core wallet from terminal? [on hold]

I've just installed bincoin-core (bitcoind + bitcoin-cli) on ubuntu 16.04, synchronized blockchain with testnet. But I coundn't find how to manage with my wallet from terminal
0
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1answer
17 views

How do I run the bitcoin bx tool in my terminal

I am reading the book Mastering Bitcoin. At some point, I came accross the bx command and tried to run it in the same way as bitcoin-cli (I've got a bitcoin core node running). But I just get the ...
4
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2answers
606 views

Bitcoin how to get X value from Y

How to get X value from Y? ECDSA x,y coordinate validity verification doesn't seem to work X = 0x79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 Python code, p = ...
0
votes
1answer
38 views

Bitcoin curl no reply

Hi I have made a curl to my server but get no reply . What am a missing rpcuser=rpcusername rpcpassword=rpcpassword rpcauth=rpcusername:generatedkey daemon=1 server=1 rpcport=8332 rpcbind=0.0....
0
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0answers
10 views

How can I connect to my own bitcoind node via json-rpc calls from python3 (or Django)? I'm using Windows 10

Context: I'm using bitcoind on Windows 10 and am able to operate it from bitcoin-cli already. Just want to do it programmatically from python3. Bitcoin wiki says python-jsonrpc is for old versions ...
0
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0answers
21 views

Помощь по приватным ключам bitcoin/Private key help [closed]

Есть в наличии 300-500 приват. ключей, как из них получить адреса и проверить на баланс? Посоветовали скрипт для Python2.7 #!/usr/bin/python from pybitcoin import BitcoinPrivateKey import requests ...
0
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1answer
16 views

Bitcoind live wallet backup (by copying wallet.dat)

Is it safe to copy wallet.dat while the daemon is running, or should the daemon be stopped before doing so? I'd imagine it would be safe unless addresses are being generated exactly at the same time.
0
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0answers
27 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 ...
0
votes
1answer
19 views

How to upgrade bitcoind in docker?

I am running the docker version for c-lightning 0.7 On a raspberry I need to clone the blockchain, but it needs version 0.17.1 Looking at the docker-compose.yml file I see: version: "3" services: ...
0
votes
2answers
34 views

What is the best way to differentiate users' balances in a shared wallet?

first time posting around here. I have been thinking about an application that would highly depend on the use of bitcoin for the best user experience. A shared wallet for all users currently seems ...
10
votes
4answers
7k views

rpc cookie authentication

I am getting a message when I start bitcoind : Config options rpcuser and rpcpassword will soon be deprecated. Locally-run instances may remove rpcuser to use cookie-based auth, or may be replaced ...
0
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1answer
27 views

Bitcoind could not locate RPC credentials but rpcuser and password are set

I installed bitoind and synced it. But when i'm trying to connect from my php website i getting: Unable to connect to http://user:password@my.bitoind.server.ip:18332/. Also when i'm trying to see ...
0
votes
1answer
30 views

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() + | | ...
0
votes
1answer
20 views

Import / create a Wallet from a key with bitcoind or bitcoin-cli to use as a hotwallet?

i've created a HD Wallet via (https://github.com/GemHQ/money-tree) i would like to take the private key and throw that into my daemon so i can listen on incoming transactions and also transfer the ...
4
votes
1answer
202 views

Bitcoin Core 0.13 How many addresses it can **effectively** manage?

I want to know, what's the maximum amount of addresses that Bitcoin Core 0.13 can manage? All addresses should belong to the default account. I want to use walletnotify feature How startup time ...
0
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0answers
17 views

Wallet error ErrorFile=… /testnet3/wallets/db.log

I want to use two deamon for sync mainnet and testnet. I Run $ bitcoind for mainnet without problem After I run $ bitcoind -testnet But I get this error BerkeleyEnvironment::Open: LogDir=/home/...
0
votes
1answer
30 views

Implementation of getdata

I am confused about how getdata() is actually implemented at full nodes. Suppose a full node receives a getdata() request with MSG_BLOCK flag and a hash H of some block B. Then would it simply look ...
3
votes
3answers
2k views

jsonRPCClient.php states its served a 401 error response

When I execute my php file from the command line I get this: <pre> PHP Warning: fopen(http://...@127.0.0.1:8332/): failed to open stream: HTTP request failed! HTTP/1.0 401 Authorization ...
7
votes
2answers
1k views

Ubuntu bitcoin PPA

Since bitcoin is a software package that involves "real" money (inasmuch as any currency is "real"), I know there are major incentives for unscrupulous people to build backdoors into software related ...
0
votes
1answer
33 views

Can I send BTC from other node or wallet with my address?

I'm trying to send bitcoins from node2 with my address using private key noted that my address is created in node1.I followed this link: "https://en.bitcoin.it/wiki/How_to_import_private_keys" I dump ...
1
vote
1answer
49 views

Open source, how can I view “Transaction Create a new transaction” and “Sign Transaction”?

Not long ago I saw on the site github.com the very first Nakamoto code: https://github.com/livegnik/BitCoin-v0.01-ALPHA Running bitcoin.exe, I did not find the console. If the program is open source,...
0
votes
1answer
30 views

Bitcoind daemon: error connecting to the server?

I am trying to create a new bitcoin address and store it in a shell variable $NEW_ADDRESS. When I run this command: $NEW_ADDRESS=$(./bitcoin-cli getnewaddress) I get the following errors: error: ...
0
votes
2answers
261 views

Successfully compile bitcoin without errors, but get 'Abort trap: 6' when I run /.bitcoind on Mac OSX

I compile bitcoin successfully without errors, but get 'Abort trap: 6' when I run /.bitcoind /bitcoin/src > ./bitcoind Abort trap: 6 Building with master branch lastest commit: https://github.com/...
0
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2answers
42 views

What is the quickest way to bring a bitcoind node up handling 99% of edge cases?

Currently when syncing a bitcoind node from scratch the time of going from zero (0) to about 50% is a very fast process but somewhere between 50%-75% it slows down considerably and at 75%-85% it ...
2
votes
0answers
84 views

libwallycore error installing LND on Ubuntu 18.04

I'm setting up an LND node on Ubuntu 18.04. I've installed python3, and cloned the repo. I ran configure, and get this error on the make command: checking byteswap.h, usability... no checking ...
2
votes
2answers
3k views

How To connect BItcoin Core with Php

i installed a bitcoind core and i access bitcoin-cli command in linux terminal with developer command(getbalance, getaccountaddress etc.) but i want run this command in php file. my php code is: ...
0
votes
1answer
30 views

.indexes & .tesnet3 not located on my Bitcoin dir

started fresh a new lightning node using the raspiblitz guide but while synching the client from my desktop pc (MAC) i wasnt able to locate these files ( “.indexes .testnet3” ) required by the guide ...
0
votes
2answers
41 views

bitcoind only accept the RPC for 127.0.0.1 but the actually ip address

I use the exact same command, one use 127.0.0.1, and the other use 192.168.3.126, only the first one could succeed. Anyone here has met a similar issue before? curl --user root --data-binary '{"...
0
votes
1answer
50 views

Bitcoind doesn't start

Im trying to make Stadicus guide work for both Bitcoin Core & LND I did download the blockchain and moved to the HDD on my Rasp3 However, when starting the bitcoind service, im having this debug....
0
votes
1answer
30 views

How to use -txindex to enable blockchain transaction queries?

I am trying getting the raw of transaction. But I am getting the following error with following command and RPC call as well. bitcoin-cli getrawtransaction ...
0
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0answers
15 views

How to verify a given transaction was sent by a Green Address?

I have run bitcoind. How do I get the funds sent from Green Addresses? If the transaction is sent by Green Addresses, that can be immediately on receipt with zero network confirmations There are ...
0
votes
0answers
20 views

How to getbalance for any existing bitcoin address, without long wait

I am new to bitcoin. I've read multiple articles and posts on forums and unfortunately I haven't found the answer I am looking for. Some back story... I just bought a 2TB SSD storage, and installed ...
3
votes
1answer
521 views

Whats the difference between “txid” and “hash” - getrawtransaction bitcoind

Sometimes the txid key is the same as the hash key in the return of getrawtransaction, sometimes different. I'm trying to understand more about these... What are the differences, and why are they ...
0
votes
0answers
17 views

How do I connect my `bcoin` wallet to `bitcoind`?

I have bitcoind running in regtest mode. I want to connect my bcoin wallet to it and retrieve all UTXOs relevant to the sender's address. How can I do that?
2
votes
1answer
27 views

What are the network requirements of running a bitcoin node?

I have been hosting my bitcion node in a simple Kuberenetes setup (without istio). I recently learnt about istio https://istio.io/ and want to use it for hosting my bitcoin node. However, I am not ...
2
votes
1answer
30 views

Whats the difference in way you installing full nodes

I'm newbie in blockchain world, so I'm curious what is the difference between installing full node by using libs such as bitcore-lib (using node.js) and installing it through the daemon (mentioned ...
0
votes
1answer
43 views

How to Bitcoin Core daemon start automatically each time your reboot your computer.?

In the official document of bitcoin.org, they ask to use an init script instead of cron job, see the init scripts directory in Bitcoin Core’s source tree. But the link is not working Bitcoin Core’s ...
0
votes
1answer
243 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 ....
0
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0answers
30 views

bitcoin-cli “Could not connect to the server”

Brand new Raspberry Pi mainnet node following this walkthrough: https://medium.com/@meeDamian/bitcoin-full-node-on-rbp3-revised-88bb7c8ef1d1 When I run this command: bitcoin-cli -rpcuser=username -...
1
vote
1answer
41 views

How to discover startup flags or command-line options for bitcoind?

I'd like to query the Bitcoin daemon (bitcoind) to find out what startup flags (command-line options) were sent to it on startup (or the current state if it has changed, e.g. -server=0/1 changing). ...
1
vote
0answers
33 views

Creating a tunneling (wormhole) service for bitcoin wallets

Zcash recently announced a new wallet and service to connect mobile devices to a node running on a private home network using a tunneling service they are calling "wormhole" (1). Basically it is ...
1
vote
2answers
118 views

Bitnodes for node on testnet

I have used the bitnode's own script to install a full node on an Ubuntu 16.04 Digitalocean droplet. I can verify that my node is up and running by checking the IP with port 8333 on Bitnode's check ...
3
votes
1answer
11k views

How much time in average does it take for an simple PC to create block?

Let's say I have simple computer (CPU- Intel i7 for example), and I start mining blocks in the bitcoin network. How much time in average does it take to create 1 block? (1 per week? 1 per month? 1 per ...
1
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0answers
19 views

How i can connect to bitcoin core light server?

Need a bunch of Laravel + Bitcoin Core. Need a light version of bitcoin bark. Installed as follows: sudo apt-get install build-essential && sudo apt-get install libtool autotools-dev autoconf ...