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Questions tagged [bitcoin-core]

This tag should be used for questions pertaining to Bitcoin Core. Bitcoin Core is an MIT-licensed Qt 5 GUI application for the original Bitcoin codebase. Additional/previous names include "Bitcoin-Qt", "Satoshi-Client", and "Standard Client". This tag should be used when referring to the Bitcoin ...

2
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1answer
95 views

Issue on configuring the bitcoin core build on Ubuntu-18.0.4

I am trying to configure the bitcoin core build , as I use make , I received the following issue . ~/Desktop/bitcoin$ make Making all in src make[1]: Entering directory '/home/fu/Desktop/bitcoin/src'...
0
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1answer
49 views

Transaction net gain/loss

I have a TXid in my wallet that contains multiple transactions (multiple sends and receives). From what I read these are transactions the network creates facilitate splitting/combining multiple inputs/...
0
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1answer
60 views

Converting xpub key to core format

I am experiencing some major issues which I honestly can't understand. When I am generating a wallet from Electrum the public key looks like this: ...
1
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1answer
75 views

bitcoin-qt and ubuntu 18.10

bitcoin-qt worked well on Ubuntu 18.04, after the upgrade to 18.10 it won't start anymore. Can't find any hints in log-files. Help appreciated! kr Heinz
1
vote
1answer
24 views

Which Bitcoin RPC call is used for setting transaction priority?

Is there is any bitcoin RPC call for setting the transactions priority ?
1
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0answers
24 views

Bitcoin Wallet generation and TX signing

I am developing a Bitcoin Wallet in Javascript. I've worked on ETH but it's my first time on BTC. Here are following queries if anyone can help: How do we generate bitcoin Wallet like we do in ...
0
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1answer
71 views

Can't specify rpcport for testnet

Was there a recent change where it is no longer possible to specify rpcport? I noticed these two warnings: Warning: Config setting for -addnode only applied on test network when in [test] section. ...
2
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0answers
28 views

How to get multiple connections to the same node

I'm playing around with connecting my node to another one of my nodes to see how many incoming connections I can handle. Whenever I add node A from node B with bitcoin-cli addnode 1.1.1.1 add after ...
1
vote
1answer
44 views

HD wallet getting every time diffrent derivedPrivatekey from same derivation path

every time i am getting diffrent orderPrivateKey and address for same derivation path. but it should be same as i am not changing derivation path. var bitcore = require('bitcore-lib'); var ...
0
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1answer
44 views

Converting raw scriptPubKey to readable format

I am debugging Bitcoin cpp code. I wanted to see what exactly come for scriptPubKey property of output. Theoretically, I know this but I want to see in the code how does it looks like. Now while ...
2
votes
1answer
39 views

Error parsing JSON in bitcoin-cli signrawtransactionwithkey

I have issues trying to sign a 2/3 multisig tx with the first private key. What am I doing something wrong or am I missing something for the arg? Command format: /usr/bin/bitcoin-cli -testnet ...
1
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2answers
58 views

What are protocols in Crypto? What are token protocols?

I understand how Consensus protocols work. They are essentially rules that nodes follow in order to validate transactions and blocks. It seems as if all tokens are their own protocols. So what are ...
0
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1answer
661 views

Blockchain Receive Callback API in callback url not working

I want to accept payments with the Blockchain Receive Payments API Using create different user different address on get bitcoin but not work Callback api https://blockchain.info/api/api_receive &...
0
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1answer
153 views

block decode failed (-22) error solo mining while submitting block

Hi I have developed hardware/software to mine bitcoin it's working and getting me the results (getting nonce since the design takes only .2sec to complete the task)i am trying to submit in my local ...
0
votes
1answer
58 views

ScriptSig raw hex to sign raw tx

i have a p2sh address that is created using an uncompressed public key (from my ledger nano) and a compressed public key (bitcoincore wallet). It requires both signatures to send the funds. When i use ...
0
votes
2answers
43 views

What Happened 12/30/17 Last Recieved Transaction into Bitcoin Core Wallet

I have found a different receiving address within my wallet that is not mine... at least I did not create it. It seems to me that all of my transactions are now going to this new address instead of ...
0
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1answer
280 views

How to send bitcoins without the bitcoin client in PHP

Is there a way to send bitcoins programmatically without the bitcoin client using PHP?
0
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1answer
34 views

how to create a transaction that can only run in bch-abc using javascript?

I use the "bitcoincashjs" or "bch-lib" and want to add a new opcode "OP_CHECKDATASIG" to output.How to do? const utxo = { 'txId' : '...
1
vote
1answer
510 views

Where can i find proof of work in bitcoin core source code?

does anyone knows which part of the bitcoin core source code contains the proof of work for mining, creating of block and adding to blockchain? what are the files and functions involves? https://...
1
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2answers
84 views

Bitcoin new receive addresses

With the Bitcoin-ABC cli I can generate as many receive addresses by the following command ./bitcoin-cli getnewaddress "label" But from my understanding the funds still go into the same wallet and ...
0
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1answer
272 views

Getting a “couldn't connect to server” error on getblockchaininfo

When I give the following command I get an error after a LONG lag (maybe 15-20 minutes): ~: bitcoin-cli getblockchaininfo error: couldn't connect to server Why?
0
votes
1answer
293 views

Bitcoin Cash Wallet options and receiving BCC

Is there a Bitcoin Cash wallet, that does not require the hole blockchain downloaded, already working? I tried Electron, but its very sketchy. Hopefully there will be one for iOS soon (Freewallet made ...
1
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2answers
810 views

Step by Step instructions on installing Bitcoin Core 0.14 on Raspberry Pi Zero and 1/2/3?

I couldn't find a concise tutorial on how to setup Bitcoin Core v0.14 on Raspberry Pi Zero or 1/2/3. Let's say I have a brand new raspberry pi without any image flashed. What are the step by step ...
0
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0answers
54 views
+50

Posting CREATERAWTRANSACTION via JSON-RPC via C#

UPDATE 1: I have changed the StringBuilder, and am now using objects and then serializing the object using Newtonsoft.Json. MY SECOND ATTEMPT TO USE THE API REFERENCE CODE FROM https://en.bitcoin.it/...
10
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1answer
3k views

How can I setup Bitcoin to be anonymous with Tor?

Bitcoin is billed as many things, among them its anonymity is highly regarded. While it is true that a transaction does not identify a user or wallet, recent news shows that there is the potential for ...
1
vote
2answers
154 views

I used the wallet out of sync and cannot find my adress

This is the first time I am buying BTC, I used my bitcoin core wallet out of sync to generate and address and then I shut down the PC after the full sync has been made. Now I cannot find the address ...
1
vote
1answer
64 views

Adding Dependencies to Bitcoin Core

I am currently editing a fork of Bitcoin Core. I have three libraries I would like to add as dependencies. One is my own creation (CPISync) and it depends on a second library (NTL) which in turn ...
1
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1answer
29 views

PHP How can I validate / verify a wallet public key?

Can someone please help me find some PHP open source on how to validate / verify a bitcoin wallet public key ? I am currently working on a project and I am implementing multisig, and it seems I can't ...
0
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4answers
102 views

How can I exactly use both the rpc API of Bitcoin and the rpc API of Bitcoin cash on the same server or machine?

I've looked for an exactly answer but I really couldn't find it. So can someone let me know the why of doing what I'm asking correctly?
1
vote
1answer
32 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 ...
0
votes
1answer
81 views

How to recover bitcoins from personal wallet app in android which is uninstalled?

I am using a bitcoin Non-deterministic wallet created by a private firm. In which there are few bitcoins worth 100$ Somehow I clear data of the android App, and Now all the memories related to my ...
0
votes
1answer
31 views

Unknown btc transaction

Could someone please explain what is this second transaction from the wallet 34UuFs8BtnbeJtdM9p4NBCHiP8MaD4f86n ? https://www.blockchain.com/btc/address/34UuFs8BtnbeJtdM9p4NBCHiP8MaD4f86n?filter=6 I ...
2
votes
1answer
53 views

How to edit the label of an existing address exactly like in bitcoin-qt but instead using RPC calls?

I am trying to edit the label of a bitcoin address in my wallet outside of bitcoin-qt. Currently I only know of 'setaccount' but it results in two addresses after editing one, it assigns a new address ...
0
votes
1answer
110 views

Use json-rpc without full blockchain

So i want trying to use both bitcoin and bitcoin-abc json-rpc on raspberry pi but they will overload the whole pi when downloading and sync @ same time. So is there anyway to use json-rpc without ...
0
votes
0answers
16 views

sendfrom api taking txin for entire wallet.Not only for sender address txin [duplicate]

I've multiple accounts(label) in single wallet(wallet.dat). (Multi wallet is not added in final/master branch of Litecoin Ref link) Now when I use sendfrom api to transfer from one account to another ...
1
vote
1answer
32 views

The BIP32 Extended Keys are different?

I was using the same random entrophy (d2310508c6c5313795dc80a7408b608ffda7176dbedefac00f8114c5dd89a673) to generate the BIP32 Root ExtendedKey (path: m) in the libbitcoin-explorer and web-based wallet ...
1
vote
0answers
31 views

What is the best way to test new consensus protocol?

I wanted to test a new consensus protocol. However, the bitcoin core is a large codebase (>100k lines). Is there any small codebase which is designed to test new consensus protocols and includes only ...
1
vote
1answer
65 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 ...
0
votes
1answer
1k views

Transactions confirmed on Blockchain but nothing received to my Blockchain wallet

I need some info/help. I have sent some Bitcoins to my Blockchain wallet. They have all be confirmed and done with. But it has been 2 days now and nothing has shown on my wallet. This is the ...
1
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1answer
219 views

Mycelium Backup Restore

Is there a way I can restore my mycelium Bitcoin wallet if I have forgotten the 12-word list? I have searched everywhere and no one describes a situation like this.
0
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2answers
37 views

Invoking the listunspent command via json-rpc on a full node

I am trying to use the following example code for C# programming, so I can connect to my own bitcoin full node: https://en.bitcoin.it/wiki/API_reference_(JSON-RPC)#.NET_.28C.23.29 Which has resulted ...
1
vote
2answers
120 views

I run a full node. Is there a desktop client to connect to this full node?

I run a full node on my Raspberry Pi at home. I want a desktop wallet that uses this full node. Not interested in using remote-x or xpra or setting up an electrum server.
0
votes
1answer
21 views

Is the hdSeedid in Bitcoin Core 0.17 RPC the actual seed itself?

I'm trying to find out the seed for the HD wallet in the 0.17 release of Bitcoin Core. I used the getwalletinfo command in the RPC console which produced information which includes a string that it ...
0
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0answers
6 views

Java USES JSONRPC remote call bitcoincore to return 403 errors

Java USES JSONRPC remote call bitcoincore to return 403 error, may I ask what is the reason, the account password is correct, and the address port number is also correct, the firewall also played the ...
0
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1answer
41 views

Create transaction with bitcoin core

Currently i'm working with bitcoin-qt for a while and now i have some issue that i wanna ask. -Is there a way to create transaction then submit it to network from wallet that NOT inside this bitcoin ...
0
votes
1answer
57 views

find out total balance on MainAccount

I don't understand receiving address usage at https://blockchain.info/api/api_receive As I understand it it should work like this: MainAccount |--generatedReceivingAddress1 (then someone send btc and ...
0
votes
1answer
54 views

BitcoinCore Ubuntu buiild error: ‘relative’ is not a member of ‘fs’

I'm trying to build Bitcoin core client on an LinuxMint. I'm having the following error(which have not encountered before, while making it on MSWindows or another Linux machine) in make process, right ...
4
votes
1answer
715 views

Creating Mining Competition on regtest

As we know , Bitcoin core-Regtest is used to set up our own blockchain starting from Genesis Block. I have created Two nodes on my localhost running on different ports (I am using Windows 8.1). They ...
0
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1answer
48 views

Accidentally shutdown system while Bitcoin Core client was synchronizing

My computer was accidentally shutdown while Bitcoin Core was synchronizing and it is now giving the error fatal error please see error log. Please tell me what is the solution to this problem.
1
vote
1answer
452 views

How long should it take to synchronize with blockchain?

I expected to find the answer somewhere here, but I could not find it. I am using windows 10 and the bitcoin core wallet, with 2GB database cache. I have set the wallet to start on system boot, and I ...