bitcoind is the command-line interface for Bitcoin. It stands for "Bitcoin Daemon" where a daemon is any computer process which runs in the background ("service" in Windows terminology). bitcoind connects to the Bitcoin network and passes transactions, updates the block chain, etc.

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83 views

Check status of daemon?

I have started bitcoind on my linux box. How can I ask it what its status is? I assume it is downloading the blockchain and will continue to do so for hours or days. How can I find out where it is in ...
4
votes
1answer
51 views

What would be the Internet Usage For 100 Antminer S7?

I am planing to set up a mini farm with 100 S7 Miners, but am little concerned about the internet usage and speed. What speed do I need and how much bandwidth it will consume per month?
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2answers
45 views

Bitcoind uses only ~1.5% CPU for RPC command “getnewaddress”

I'm running bitcoind and generate a bunch of bitcoin addresses. I use a PHP script and an Apache2 server to make calls to the RPC API. bitcoind uses ~ 0.7%-2.2% of the CPU and writes ~3 MB/s on the ...
5
votes
1answer
155 views

Running bitcoin core in a low storage system

I have a machine with ~40GB in storage. The Bitcoin block chain is ~75GB in size, is there any chance to run bitcoind in my system? I mean, can I somehow skip downloading some part of the block chain? ...
0
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0answers
9 views

Multi HD transaction stuck for +48hours [duplicate]

I have made a bitcoin transaction for more than 100$ and now it is stucked, i guess it is due to a too small fee. Ive never had this problem before and always just used the default fee from multiHD. ...
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67 views

Bitcoind Internal Server Error

I'm trying to call bitcoind sendtoaddress with params : 18et8yw71yfxsQz99c5sHHEgYtR32kkfw 0.15161962 and there is an exception "(500) Internal Server Error." The wallet has sufficient funds ~30 ...
3
votes
1answer
57 views

How can I set a fixed fee sufficient for transaction success in bitcoind?

I used to use sendtoaddress with bitcoind and a fixed 0.0001 btc transaction fee in the wallet UI to do the job and every transaction was sent without any problems. Since version v0.12.0 I can see ...
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vote
1answer
23 views

Automated Testing using bitcoind in regtest mode, problems due to race condition

So I have multiple instances of bitcoind in regtest mode. 1 instance is for the app wallet and one stimulates a wallet of a possible user. I want to perform various functional and integration tests ...
1
vote
1answer
47 views

How is a transaction's output signed?

I m a newbie. I did search for answer to similar question. My searching was unsuccessful. In a transaction Tx, the hash pointer of the earlier transaction (say TxE) that serves as input to Tx must ...
4
votes
1answer
48 views

Transaction with `OP_RETURN` to a particular address

How do I formulate a Transaction with OP_RETURN to a particular address using Bitcoinj library. SendRequest req; Transaction transaction = new Transaction(Main.getNetWorkParameters()); ...
2
votes
1answer
92 views

How do I receive the payment? [closed]

And the payment request, if i have not been paid. Do what it is to have not come still pay? How do I receive the payment?
0
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1answer
16 views

Is there a connections limit on bitcoind?

I don't know if it is a lot or a few, but I see this number of connections: bitcoin-cli getnetworkinfo | grep connections "connections": 66, It does not seem to get over 70, is there an in-...
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17 views

getblocktemplate on testnet violates the protocol spec?

I have bitcoind (version 0.12.1) running on testnet. Querying the getblocktemplate using bitcoin-cli I get a "wrong" version bitcoin-cli -testnet getblocktemplate the output that I get is: { "...
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votes
0answers
13 views

Antrouter not hashing.

So I got my antrouter the other day. I set it up with my bitman account. When I go to antpool a new tab shows up called antrouter. I thought I had done everything right. However when I check on my ...
4
votes
1answer
49 views

How to connect to a remote Bitcoin Core remotely

If I have 24/7 running bitcoind on a headless server, is there a graphical way to connect, maybe only temporarily to the server's Bitcoin Core daemon or its client to see if everything is going ...
3
votes
1answer
17 views

How many connections do I have on bitcoind?

How do I find out how many connections bitcoind has made? From terminal.
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2answers
32 views

How to get unique rpcpassword for bitcoind

I am on Linux Debian 8.4 and have one server running 24/7. I would like to help the Bitcoin network. On https://bitcoin.org/en/full-node#other-linux-distributions I got to the point where I should ...
7
votes
1answer
56 views

List transactions *relayed* by my full node?

Running Bitcoin Core full node 24/7, with 70+ peer connections. Is there a bitcoin-cli command that will let me see the transactions that my full node has relayed from its SPV "clients"? FWIW, I can ...
6
votes
2answers
54 views

Wladimir's new GPG key

I just went to install the latest version of bitcoind and discovered that Wladimir has signed the https://bitcoin.org/bin/bitcoin-core-0.12.1/SHA256SUMS.asc file with a new GPG key: https://bitcoin....
5
votes
1answer
39 views

How to tell bitcoind to use more memory and CPU

I just updated my node to 0.12 and its going through its long verification process but I noticed that its not using very much memory/cpu pi 602 10.5 19.4 352220 184312 ? Ssl 21:57 1:...
2
votes
1answer
56 views

How to check if my node is fully sync'ed

Using bitcoin-cli, how do I check how sync'ed my full node is?
2
votes
1answer
50 views

Is there a way to know the Bitcoin Network transaction fee BEFORE actually submitting the transaction?

I am using the RPC API to submit automated transactions to my Bitcond, the user introduces the Amount and I check it against its balance before submitting the transaction. I would like to also check ...
0
votes
1answer
42 views

Need help to understand where bitcoin transaction has gone

I am new with bitcoin and I need some help from experienced members. I have a server with bitcoin core where we accept some payments and use bitcoin core as mercant. The problem is that we have got ...
0
votes
0answers
13 views

No confirmations (bitcoind)

I have just installed bitcoind on my ubuntu server I have configured a new account with a password I have waited 2 days until the block chain downloads I have open my port 8333 But when I try to ...
0
votes
0answers
56 views

Which language should be used for developing new Coin Source code?

I'm new to bit coin system. And I need to List my new Coin in C-CEX exchange and the Exchange asked to provide the Source code. And if need to develop the source code, which language is suitable for ...
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0answers
23 views

How to upgrade my node with bitcoin wallet GUI from 0.11.2 to 0.12.1? Install qt V5.5?

i want update my RaspNode (rPi 2 B+) to the 0.12.1 but i want to use Bitcoin wallet GUI. So, it's necessary to install QT V 5.5... V 0.11.2 use QT 4.8, but 0.12.1 uses QT V 5.5 How to install QT V 5....
2
votes
1answer
54 views

How can I set the transaction fee when creating a transaction through Bitcoin-cli commands?

I want to run the following command via bitcoin-cli: ./bitcoin-cli sendfrom "10302c02147e2948cbejd9a2bd80d9691ef08a6a4d416c2bb602143a4anj06b90e" "32cjBTQkfLBp38ixj7hdjk0cc90VPPnwhQ" 3.04384215 (...
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vote
2answers
37 views

Is the getnewaddress command available before synchronization is completed?

Can I expect the getnewaddress command to work before my bitcoind has finished synchronizing?
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votes
0answers
22 views

CGminer hash speed is at 0

I just recently wanted to try bitcoin mining but i have 2 slow computers! I was wondering why the statistic at the top is going at 0s speed? Anyway i did get to the stage where it was saying this: [...
1
vote
1answer
35 views

how base point of bitcoin public key x , y formed

n = FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140 p = FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFE FFFFFC2F base point of bitcoin public key x , y Gx = ...
4
votes
2answers
49 views

Error when trying to use OP_CHECKSEQUENCEVERIFY from bip112 on testnet

When I try to spend an utxo sent to a pay to script hash, with the script 5 OP_CHECKSEQUENCEVERIFY OP_DROP OP_PUBKEY OP_CHECKSIG I get the following error. Any help would be greatly appreciated. $ ...
1
vote
1answer
46 views

Settxfee does not work in RPC

I am using settxfee(0.00020) before sendtoaddress RPC call however after sending 0.042 in blockchain a fee of 0.000045 is showing. How can I set the fee properly ? Thanks
1
vote
1answer
85 views

JSON-RPC Connection Problem!

I use bitcoind. And I have simple bitcoin wallet with simple login-register system. Error Code; Fatal error: Uncaught exception 'Exception' with message 'Incorrect response id (request id: 1, ...
0
votes
1answer
44 views

Generate Unique address for each users?

I have PHP Based Web Bitcoin Wallet on localhost. I use simple Login system and basic bitcoin Json-RPC. In fact, everything is runing clearly, but my Bitcoin daemon giving same Bitcoin address to all ...
0
votes
1answer
45 views

Is the merkle root random? (Crytographically secure?)

If I look at a block 000000000000000004f0cc322f551e39676f781186441614da3281bbc7d373e0 I can see the value of the merkel root: 9fe31d0d9d06d9da341a3ee757c57bb29af522796d5d9efa5efded8cda1684a4 Which ...
0
votes
1answer
23 views

How to find values of Prev_Hash and Tx_Root

http://bitcoin.stackexchange.com/a/13347/27951 Based upon the answer here, it seems there's values per block with each Prev_Hash and also Tx_Root There doesn't seem to be much documentation for how ...
1
vote
1answer
55 views

How to update my RaspNode? no GUI only CLI

I would like to know the best way to update my RaspNode (rPi 2 B+) to the 0.12.1 bitcoind version. I did sudo apt-get install bitcoind I also did this: Erased /bin/bitcoin folder then into /...
1
vote
1answer
65 views

Can I run bitcoind without BerkeleyDB 4.8 installed?

I am using a CentOS server to build Bitcoin from source. After installing all of Bitcoin's dependancies on this build server, I have successfully built bitcoind and bitcoin-cli (the two binaries that ...
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votes
0answers
30 views

How Can I Solve Closed Bitcoin Account in Thailand?

I am using Thailand Bitcoin and I got much transfer in and transfer out everyday, then the company block my account. They said that I use too much bitcoin perday. Is there any solution?
0
votes
1answer
52 views

Bitcoind daemon return “timeoffset” : -10,-15,-50,-60 and more

Bitcoind daemon return "timeoffset" : -10,-15,-50,-60 and more.. Timeoffset value is constantly increasing(decreases*) (~ "-1" per day), i dont can restart daemon with command -reindex / -rescan (...
1
vote
1answer
41 views

Bitcoin core installation

I need to configure the bitcoin core and synchronize the bitcoin network. I have bought a server with 1GB ram and 20GB hard disk space is it possible to run bitcoin run in this machine ? Can someone ...
5
votes
2answers
228 views

Transaction fees and transactions with bitcoin-cli. Wallet address balance negative

I'm trying to make a bitcoin website and I tried to implement a sort of 'withdraw' button which would allow you to send your money in the wallet address to some other address. The problem I am facing ...
1
vote
1answer
112 views

Bitcoind fails to start on Centos 7

When I execute bitcoind on CentOS 7 I get this error: Unable to start HTTP server. See debug log for details. bitcoind: scheduler.cpp:19: CScheduler::~CScheduler(): Assertion `nThreadsServicingQueue ...
0
votes
2answers
125 views

How do i retreive my bitcoins that I purchased but never receaved because of the dodgie bitcoin qt years ago?

Hi guys I am seeking to retrieve my bitcoins I purchased years ago but my bitcoin qt never synced to receive them! I have now downloaded bitcoin core and I was advised that once I have done that it ...
3
votes
0answers
98 views

Fine tunning a Rapsberri Pi 2 B+ full 0.12 node

I'm running a 0.12 Raspnode (raspberri Pi 2 B+ full node) I've made the full node syncing in a laptop to speed up the process. Then, after moving all the files successfully and starting the full node ...
2
votes
1answer
103 views

Bitcoins lost in Bitcoin Core?

I sent a small amount of bitcoins to my bitcoin core account when I was messing around learning to use bitcoins several years ago. I am trying to access these coins but I never got along to utilizing ...
0
votes
0answers
44 views

bitcoind sync slowing dramatically

I booted up a download of the blockchain around 36h ago, at that time the download was really quick and I went to sleep in the evening expected to be ready to go in the morning, whereas I only got ...
0
votes
1answer
54 views

Can't make successful call via remote JSON RPC

I can verify that my node is up and that the port is up via the above method, however no amount of effort has allowed me to successfully make a remote RPC call. I am booting my node via $ bitcoind -...
0
votes
1answer
35 views

Do I need to be synced with the network to make remote RPC calls?

I want to make some RPC calls from my local computer to a server I have which is currently syncing with the network via $ bitcoind I am trying to make RPC calls for things like getinfo but my ...