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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How to set bitcoind‘s default connection count
When i start bitcoind with default set.I found the connectioncount is always 10(the result of command "getconnectioncount").I have two questions below：
1、Where is the source code about this ...
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141
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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()
+
|
|
...
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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/...
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Python code error : Hash greater than Target
While trying to run a reference code from GitHUb i am getting an error "Cannot Mine-Hash is greater than Target". As i am just a beginner with coding i am not able to figure this out. Kindly ...
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2
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Multisig synchronization
I understand what the multisig wallets are but I need help understanding what exactly this script does:
https://gist.github.com/gavinandresen/3882537
If I understand correctly, bitcoinds are bitcoin ...
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2
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211
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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 ...
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2
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1
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How to build coinbase transaction from bitcoin core?
I am coding a program that connects to bitcoin-qt as local server. For building the blockheader i need the merkleroot, to build the merkle root, i need the coinbase transaction (which is not provided ...
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different 'vout' formats
Using bitcoind rpc, I have been looking at the content of 'vout' records for a few (coinbase) transactions and don't understand the difference between them.
Looking at block 710000, the coinbase ...
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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: ...
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4
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How to install Berkeley DB 4.8 on Linux?
The Unix build notes do not show how to install version 4.8 apart from saying
BerkeleyDB is required for the wallet. Ubuntu and Debian have their
own libdb-dev and libdb++-dev packages, but ...
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How do I solo mine with bitcoind-rpc?
I found this script: https://github.com/jgarzik/pyminer
But it uses getwork RPC call, which resulting me this:
error code: -32601
error message:
Method not found
From https://en.bitcoin.it/wiki/...
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New wallet per customer, or new address?
So I'm in the process of starting a new service, but want to make sure I build the foundation correctly from the start. When customers deposit to their user account on my service, I need to understand ...
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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....
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Connection to Bitcoin Core Full Node in Amazon EC2 using bitcore-lib
I'm running a Bitcoin Core Node on AWS EC2 Instance and i want to connect to this node and make transactions using Nodejs App.
I used the following guide to install Bitcoin Core Node on AWS:
https://...
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3
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All Bitcoin Public Keys with non-zero balance
I want to get a database or otherwise retrieve a set off all bitcoin public keys (not addresses) that have non zero balances.
What would be the easiest way to do that? Is there an API that could do ...
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Serialize data to get buckets
I am trying to recreate the bucketing algorithm of bitcoin using python, but I am stuck at this particular line because I am unable to recreate it using a simple double sha256.
uint64_t hash1 = (...
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Changes for bitcoin.conf file and details on the testnet network bitcoin-core
I have installed bitcoin core testnet and it is now synchronized with the network after 24 hours.
My question is about bitcoin.conf file.
I will tell you the procedure I used to install:
I created the ...
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Is my p2p server set up correctly? When will I see inbound connections on 8333?
I've had a Windows host up at 23.23.246.5 for both Bitcoin and Namecoin and I'd like to make sure its configured correctly.
So far when I run a netstat I see the services below and a few things ...
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Is there any web3.py equivalent for Bitcoin?
Is there a good python library to connect to my locally running bitcoin node and query it? Such as view data block by block, txs, network difficulty at the time of each block, and other parameters? ...
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Main wallet unspent transaction
I have a question about an unspent transaction, we know that after some transactions we have a change address created by the main address, now imagine that Bob mined 6 BTC, now he transferred 2 of the ...
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How did Satoshi Nakamoto create the first Bitcoin? The Genesis Block
How did Satoshi Nakamoto create the first Bitcoin? I have never read any statement where he recommends specific tools like CGMiner. You can't mine with the Bitcoin Core software. Actually, Bitcoin ...
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how to run bitcoind without downloading entire bitcoin core for development [duplicate]
I am a beginner in bitcoin development and want to contribute to some github repos and for that i need the regtest network for bitcoin but to run that i need bitcoind and bitcoin core to be downloaded ...
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Bitcoin Core JSONRPC only accept requests with 0.0.0.0 in configs
I've lunched a Bitcoin Core server, and trying to connect to it via JSON-RPC.
This is my configuration settings:
server=1
rpcuser=admin
rpcpassword=password
rpcport=1234
rpcallowip=94.183.32.151
...
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1
answer
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How to get xpub or mpk(bip32) for my bitcoin core wallet?
I m not getting any such option in bitcoin-core Ui and documentation
http://bitcoindaily.org/bitcoin-guides/bitcoin-core-tutorial/
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Error in configuring Qt with Bitcoin Core on Windows
I was following this (https://github.com/bitcoin/bitcoin/blob/master/build_msvc/README.md) documentation to install Bitcoin core on Windows 10.
I have successfully configured Bitcoin core with ...
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Edge cases when dealing with incoming Bitcoin transactions
I have an app that accepts Bitcoin payments. After some research I've settled with using Bitcoin Core's bitcoind with RPC to manage new addresses and verify for new transactions for those addresses.
...
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How to choose between so many open-source bitcoin pool software
I am now in the venture of finding and setting up a bitcoin pool company. However, after some research, I found out that there are plenty of bitcoin pool software. There are:
CoiniumServ
Cryptonote ...
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Bitcoin lightnode not return private key for getnewaddress [duplicate]
I have run a bitcoin lightnode (bitcoind)
I use getnewaddress for create new wallet:
bitcoin-cli getnewaddress
This method return to me only wallet address.
How can I access to private key of this ...
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End to end bitcoin transaction flow
My understanding on bitcoin blockchain technology after going through some articles in past few days. I'm not sure that my understanding is 100% correct. I'm writing so that someone can correct me ...
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How do I create multiple Bitcoin addresses and send coins to other addresses from linux console?
I want to be able to create many Bitcoin addresses and transfer coins from those addresses to other addresses.
It is better if it is available on a Linux server, through the command line.
What ...
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2
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How can I split blockchain data over two hard drives?
My node has two SSDs and the first one is filling up. The second one still has ~230GB available and I would like to move old blockchain data over there to free up an equivalent amount on the first ...
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how does node validate scriptSig
Let's say I sent some BTC to Bob, so I created a transaction (forget about scriptPubKey) since let's say I was able to prove it by executing scriptPubKey. so After I sent BTC to BOB, new transaction's ...
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List transactions after losing wallet and private key?
I have made various transactions with my wallet using bitcoind. If I lose my wallet (and private key) and somebody else somehow knows my private key and does some transactions, is it possible for me ...
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Error while syncing with the blockchain on my Raspberry Pi
So I already have the node set up on my raspberry pi. This night the transfer of the Blockchain from my laptop to the raspi's hard disk finished. Now I am waiting for the blocks to match the headers
"...
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bitcoind won't run on macos
I have downloaded the tgz file from bitcoincore.org and unpacked it. The first time I tried to run bitcoind from the command line, I got the usual macOS dialog about untrusted software, so I gave the ...
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how to connect to bitcoin node in javascript without running a local node
I am trying to get some bitcoin network data and I am using bitcoind-rpc library.
If i just run their example:
var run = function() {
var bitcore = require('bitcore');
var RpcClient = require('...
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2
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Does assumevalid lower the security of Bitcoin?
Bitcoin's assumption was to download the blocks and verify it in order to prevent getting fooled.
But by default, the assumevalid option is enabled in the software, which, as I understand it, makes ...
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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. I have also tried 192.168.1.* with no luck.
I ultimately want to use an Antminer ...
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Rpc work Queue Exceeded
I am trying to make rpc calls to an Rpc Interface "listunspent". So i get this Error: ESOCKETTIMEDOUT. I checked the bitcoin node debug file and saw the error message "Depth queue work ...
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C-lightning configuration to use bitcoin blockchain data from another machine
I currently run a lightning node on umbrel on a raspberry pi. I want to experiment with c-lightning and want to run a new c-lightning node on my ubuntu laptop which utilizes the blockchain data from ...
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Connecting A Wallet To A Pruned Node
I’ve connected Sparrow Wallet to a pruned Bitcoin node but none of my UTXOs are showing. I would imagine that since I haven't spent them and since pruned nodes still keep the entire UTXO set, my ...
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Setup a private bitcoin network
This question is similar to previosuly asked question Start a Private Bitcoin Network but since I can't comment there I am asking again.
I am working on a concept specifically for existing bitcoin so ...
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How do I retrieve address balances to build a Merkle sum tree?
Curious about building my own proof of solvency program. I understand how the Merkle sum tree works in theory but I am having issues understanding the practical ways of getting the information I need.
...
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How would I ever know if my solo miner found a block?
I've tried solo mining in two ways:
using cgminer, ASIC and ckpool
using minerd connected to my own instance of bitcoin-qt.
Either way, I've never seen any indicator showing that I have mined 0 BTC, ...
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I can not connect through RPC port bitcoind
I have set up bitcoind, and I am able to run bitcoin-cli commands, I am also able to make request through RPC.
curl --user username:password --data-binary '{"jsonrpc": "1.0", "...
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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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Bitcoin Core Node On Chain Data Addresses Over one Bitcoin
I'm currently running a Bitcoin Core full node on my raspberry pi. I have set the config file to txindex=1 and I want to query the bitcoin network to find out how many addresses hold more than 1 ...
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Is Running Bitcoin Core (bitcoind) On Android Termux A Good Idea? [closed]
This is what I did:
Before we begin, disable Google Play services and Google Play store to reduce conflict with app on F-Droid.
Decentralization gets us even further with what I figured out.
Install F-...
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How many addresses can Bitcoin Core 0.13 **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 the walletnotify feature
How does the ...
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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 ...
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