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
100 views

Web wallet making direct RPC calls to bitcoin node

Is it good idea to make direct RPC call's to node computer to generate web wallet addresses here is what i am trying to implement i want to create new web wallet based on bitcoin and want to allow ...
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1answer
32 views

Is it okay to run regtest for dev purposes while simultaneously running a node on mainnet (bitcoind)?

Hope it won't mess anything up on my mainnet node.
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1answer
273 views

Please help - Bitcoin Conf file in the wrong directory

I am running a full node using Bitcoin Core GUI on Windows 10. The conf file is in my bitcoin data directory, instead of being in the appdata/roaming folder. But Bitcoin-qt points to it by default and ...
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1answer
148 views

bitcoin compile (.undefined reference to **')

I'm getting error after make command like, undefined reference to `BlockAssembler::BlockAssembler(CChainParams const&)' and in last Makefile:774: recipe for target 'all-recursive' failed make:...
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2answers
91 views

Bitcoind does not like ECDSA (r, s) pair produced by OpenSSL

I am writing transactions manually and have stumbled across a rather bizarre situation. Only one in a few of the transactions I broadcast to bitcoind is accepted, otherwise I get a REJECT_NONSTANDARD ...
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0answers
38 views

UTXO are not being listed while they have conf over 100 (btcd + simnet)

I am using BTCD and while in Simnet, I generated 104 block (Best block : 104) But when I listed utxos, transaction from block 3 and 4 (which have 102 and 101 confirmations) don't be listed. So balance ...
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1answer
73 views

Noob: new to bitcoin, bitcoind will not run on Windows 10

I just heard about Bitcoin, it looks huge, and am trying to get it to work and see how it works. I live in a very rural community and we do not have Internet yet, I had to do some dirty deeds to get ...
2
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1answer
64 views

Bitcoin core gives wrong previous Tx

I run my own bitcoin core node: MacOS version v0.16.3 (64-bit) I want to analyse tx: 3170cd6c0d49c1c851d640547b5533b62e40071c376feeb83a0a40bce5195802 The first input (key ...
2
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1answer
179 views

LoadBlockIndexDB: transaction index disabled

I'm trying to run bitcoind on a Raspberry Pi 3 but I'm stuck on an error. The raspberry has a Hdd for storage with a fully indexed blockchain that was synced on my laptop and than copied to the Hdd (...
3
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1answer
41 views

How is bitcoind “shy” when exchanging `version` packets?

This is more of a technical/programming question. I am referring to this line of code: https://github.com/bitcoin/bitcoin/blob/be992701b018f256db6d64786624be4cb60d8975/src/net_processing.cpp#L1699 ...
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2answers
237 views

Bitcoin core incorrect balance?

So I have ubuntu 16x running bitcoin core. Its a full node and fully synched. Run with bitcoind --daemon as suggested. Using a particular address from my wallet, whenever I send money to the address ...
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1answer
112 views

How to send bitcoin programatically using API? Bitcoin Transaction. (Without Setting Node) [closed]

Want to send BTC from one address to another address without using JSON-RPC. Followed and used: https://bitcore.io/api/ https://www.npmjs.com/package/bitcoin-transaction/v/1.1.1 2nd:bitcoin-...
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1answer
100 views

Bitcoin node synchronization speed up [duplicate]

I'm running a docker image with a bitcoin node (version v0.16.3.0-g49e34e288) and it's taking more than week to synchronize, having only synchronized 54% of the blockchain. I'm running it with the "...
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1answer
21 views

Ethereum alternative to bitcoind

A client have payment system that uses bitcoind wallet / daemon. I know he can expand to litecoin / dogecoin by just copy litecoind / dogecoind then console commands are almost the same. I am ...
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1answer
2k views

Cannot mine Genesis / First Block (PIVX Fork / Clone)

Whatever I do, I am unable to mine the 1st block after the genesis block. All the while, I have assumed that I have mined the Genesis block, and I am unable to mine the 1st block using "setgenerate ...
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1answer
131 views

Fixing “Block not found on disk” rpc error

I have a full node with txindex enabled that I've been trying to use for an electrum server. However, whether I use ElectrumX or Electrs, I hit the same error on initial indexing of "Block not found ...
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1answer
47 views

Get real fee per transaction

I am trying to get real fee per trasnaction. So I have an account whit balance 0.06940000 and have a second account with balance 0.00000000. To get current fee I have run the command bitcoin-cli ...
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1answer
281 views

Estimate smart fee returns an error

I am trying to get current fee for per transaction. So running command bitcoin-cli estimatesmartfee 6 i am getting response lookl ike this { "errors": [ "Insufficient data or no feerate found"...
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1answer
37 views

Can not indentify accounts

I am trying to get balance of accounts and when running bitcoin-cli listaccounts I am getting the data look like this { "":0.81234545 } I wanted to know what is the "" and 0.81234545 and where my ...
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1answer
22 views

How can I check where my bitcoins have gone to in my app? [closed]

help I need to know where to go search my bitcoins after they entered my account on my bitcoin app...so far its two day still nothing showing....
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1answer
320 views

RPC Command to send from multiple accounts to one account (default - “”) in same wallet

I have small amounts in multiple accounts in the same wallet. I want to send all of them to default account (usually named as ""). Is their any RPC command available for this scenario? Thanks in ...
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0answers
22 views

Is there a “print to file” parameter or its equivalent for bitcoin-cli; so that results from the daemon are recorded

Is there any way to "print to file" the queried results of the bitcoin-cli. This would be most helpful in my basic cross platform integration of a program I am making with QB64.
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1answer
103 views

Set transaction fee

I am using the bitcoind API to send transactions from my account to user accounts. I have found, that the sendtoaddress method uses address,amount and comment to send transactions, but I need to set ...
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1answer
149 views

RPC command sendfrom is giving Transaction too large error

I made discord bot for fun with tips, soak and rains of altcoin. When I try to send large amount through the same bot. It is giving me "Transaction too large" error. I found the reason here: ...
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3answers
60 views

Should I run crypto node for my trading platform?

I wanted to create a cryptocurrency trading platform where people can deposit cryptocurrency and trade them with other altcoins and finally withdraw it. Tell me do I need to run full crypto node to ...
4
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3answers
979 views

Does running pruning node make the initial sync faster?

Does running bitcoind with -prune option make the initial blockchain sync faster or not? I know it makes it smaller on disk, but is it faster? I keep reading conflicting information online - some ...
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1answer
68 views

Create wallet address on user registration for trading platform

I am creating a crypto-trading platform . I wanted to know how to create wallet address dynamically for all new registered user and also create new address for every transaction. I am using bitcoind ...
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1answer
1k views

How do I interact with Bitcoin Core from NodeJS? [closed]

I am new to the Bitcoin world. I have installed Bitcoin Core on a Windows machine and am running the full node. I want to develop a nodejs app that would be running on the same machine interacting ...
2
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0answers
98 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 ...
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0answers
60 views

Ubuntu Bitcoin Core Node Upgrade - Keeps starting v0.16.0

I have done this: sudo add-apt-repository ppa:bitcoin/bitcoin sudo apt-get update sudo apt-get install bitcoin-qt But whenever I start bitcoin-qt from my console, it starts up 0.16.0. How can I fix ...
3
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1answer
104 views

Regarding CVE-2018-17144 and test cases

Regarding the serious bug found (CVE-2018-17144) I am note sure if I understand the full scope of it correctly. As far as I understand, any block containing a double-spend of a transaction output ...
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0answers
29 views

How to find reward of total bitcoin?

I have been developing an application for few coins to get details of the coin, it's more like https://masternodes.online/, where we need to show the ROI, Nodes, required, Minimum Worth of a bitcoin, ...
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1answer
475 views

Raw Transaction Fee - 256: absurdly-high-fee error [duplicate]

I'm running the following codes, respectively. bitcoin-cli -testnet createrawtransaction ''' [ { "txid":"751b6361cd8d621de00466363120e5da2176c3cc092cb3f0b7373b02591372d2", "vout" : ...
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1answer
183 views

What applications of clients use bitcoin JSON-RPC?

As far as I understood, the Bitcoin JSON-RPC is one of the ways (if not the only way) in which applications can be built that can access the bitcoin wallet. So, the RPC server here gives that access ...
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1answer
149 views

Manually create a transaction to spend the output of a P2SH tx

I want to manually create a transaction to spend the output of a P2SH tx, but I don't know where the redeem script should be placed in the new transaction? I followed an online tutorial Building a ...
1
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1answer
92 views

Does P2SH unlocking script only consist of operants?

I have a question about the P2SH unlocking script. Can I put common operants and operators in the P2SH unlocking script? And if yes, how can I create such script? e.g. unlocing script: <sig1> &...
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1answer
74 views

Blockchain gets stucked if no blocks are mined

Yesterday I decided to fork a project, just for fun and to learn more about it. So, I forked a project, I generated my own genesis block, changed timestamps, nounce, keys, reset the min chain work. ...
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1answer
402 views

how to get block information using node js

I have used bitcoin-core package in node js to get the information about the block detail using rpc command. For example: var Client = require('bitcoin-core'); const client = new Client({ headers:'...
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1answer
63 views

RPC get free address

Always when i need free address (not labled) i use: getAccountAddress('') And i want to know: Can it give me an already occupied address (by label) I'm worried that I can get an already address in ...
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1answer
88 views

bitcoind syncing backwards

I recently upgraded an old bitcoind install (core 0.11) to 0.16.2. After starting it up, it seems that it's syncing backwards: going from higher block numbers to lower ones: 2018-09-12 06:35:20 ...
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1answer
390 views

How to cleanup mempool

I want to cleanup mempool. I googled and knew -zapwallettxes might clean up mempool. But when I do the following command, mempool is still loaded. ./bitcoind -testnet=3 -server -rest -dbcache=4000 ...
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1answer
74 views

keypool option with HD wallet

I'm a bit confused. According to https://bitcoincore.org/en/2018/02/26/release-0.16.0/#hd-wallets-by-default HD wallet is enabled by default. However there is still keypool option of bitcoind which ...
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1answer
217 views

what is the Difference between ./bitcoind and $ ./bitcoind -daemon?

I was trying to interact with bitcoin network with JSON RPC commands, So I referred to the bitcoin wiki page https://en.bitcoin.it/wiki/API_reference_(JSON-RPC)#Java it shows to run the bitcoin using '...
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1answer
45 views

Does all miners in mining pool increase the nonce variable one by one starting from zero?

Let us consider we have n miners in our mining pool. Now the manager of the pool verified the transactions and packed into a block to be mined. Then it passed the block to all n miners in the pool. ...
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1answer
395 views

sendrawtransaction and txn-mempool-conflict

When i sendrawtransaction to bitcoind, i get error (exceptions) 18: txn-mempool-conflict (use Bitcoin JSON-RPC denpamusic/php-bitcoinrpc) But the transaction is sent to the network and is subsequently ...
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1answer
108 views

Can't generate same addresses as bitcoincore using xprv from bitcoin-core

First of all all addresses below are for testing purposes so I don't care about private keys. So dumped wallet created by Bitcoin-qt v0.16.2: extended private masterkey: ...
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1answer
224 views

Manage multiple users wallets for web wallet service

This already summaries the issue I'm currently trying to figure out to calculate the transaction fee to prevent negative balance. (testnet) I tried using createrawtransaction answered. When I tried ...
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0answers
234 views

Unable to get balance with bitcore lib

Using latest version of bitcore lib , want to check balance for making tx but once I include var explorers =require('bitcore-explorers'); after var bitcore =require('bitcore-lib'); Error: More ...
0
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1answer
179 views

Where does the mining reward in regtest go?

After using the bitcoind -regtest generate 1 command, where does the mining reward go? I tried list accounts and check balance for account "", but the balance always showed 0.000000.
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1answer
20 views

is it available to pay for my multiple inputs at one time?

I have a Bitcoin wallet and there is a large number of spendable addresses. if i make a transaction and there is a multiple inputs which is belonged to me(my wallet), is it possible to pay a fee by ...