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Questions tagged [nodes]

Questions concerned with (full) nodes, i.e. relay points in the Bitcoin network.

1
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3answers
264 views

How to run multiple node in same machine?

I have created an altcoin base on litecoin source code. I want to test it in multiple node to test peers of each node weather each node can connect to each other. So I try to run "mycoind" in multiple ...
0
votes
3answers
219 views

How to allow/setup crypto transfers/payments on my website?

I'd like to learn how to allow end users on my website to pay for goods using cryptocurrency. Questions I have: 1 - How would I confirm the transaction has been received ? 2 - How would I confirm ...
1
vote
2answers
142 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
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2answers
70 views

Is there an efficient way to get the last 200 blocks (BTC, LTC, ETH)?

I am looking for an efficient way of getting the last 200 blocks and being able to pull all transactions related to an address. I would like to do this for BTC, ETH, and LTC. Is there any way to ...
-2
votes
2answers
638 views

Why don't miners act as nodes?

Why didn't bitcoin make miners and nodes one in the same? It seems that the miner computers are not being used at all in for the network. Also their gpu power is not being used for the sake of the ...
0
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1answer
38 views

Is it possible to create a wallet service, which doesn't have all the blockchain downloaded?

Is it possible to create a wallet service, which doesn't have all the blockchain downloaded? Like not running a full node itself?
0
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1answer
23 views

How many unit test should be run after building a node?

After building Bitcoin ABC and running make check, I get this: # TOTAL: 1 # PASS: 1 # SKIP: 0 # XFAIL: 0 # FAIL: 0 # XPASS: 0 # ERROR: 0 Is that correct?
0
votes
1answer
69 views

how do i setup a node for my altcoin?

I just created a new altcoin based on foocoin or barcoin. But now i need my wallet be synchronized. There's some way to setup a node without any cost or low cost for my wallet? By other part, i just ...
0
votes
1answer
59 views

Altcoin clone peer connections limited to 1

I cloned an altcoin and set up a network of 7 peers. One of the clients is connected to a pool and is mining the coin. All the other clients are connected to the pool one and are syncing and ...
0
votes
1answer
55 views

Where can I get a visual example of the entire bitcoin network starting from physical network to the overlay network

*Note I am not a technical person so excuse any misunderstandings on my part here. I am looking to get a sense of how the entire system looks like as a whole starting from the physical hardware (such ...
2
votes
0answers
36 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 ...
2
votes
0answers
126 views

Nbitcoin node c#

Create a transaction to send money, then it needs to be "registered" in the system, before doing so : using (var node = Node.Connect(Network.Main, node_address))//, node_address { ...
2
votes
0answers
300 views

How to use bitcoind with CUDA-ready box?

I am not asking for mining (which is all the information I could find on the net). I am asking for the regular bitcoind daemon, looking for having a full node with a reasonable high performance per ...
1
vote
0answers
16 views

Blockchain, correction of blocks

How do a malicious nodes correct their blockchain if they have it wrong? If they don’t want to fix it, what happens then?
1
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0answers
22 views

How to set up a gateway node?

I have two nodes running in my local machine. one public facing and another connected ONLY to the public facing node. I ensure they are whitelisted and in different ports. the nodes connect just fine, ...
1
vote
0answers
42 views

How do I check if I am running a Dogecoin full node?

Are there any tools to check if your dogecoin node is reachable?
1
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0answers
62 views

How can I use raw litecoin protocol to connect to nodes?

I am trying to connect to litecoin nodes using raw protocol. I follow Ken Shirriff instructions from this article . My code works perfect with bitcoin, so I just replaced bitcoin nodes connection ...
1
vote
0answers
75 views

Are there drawbacks to running a node on a cloud provider because of the limit of unique nodes connected per-subnet?

I currently have a full node running on Digital Ocean and have come across this old post on bitcoin talk that states that -- Outbound Random Selection -- First the code puts the addresses ...
1
vote
0answers
58 views

Ardor / NXT node stuck on ** Broadcasting blockchain state change from UP_TO_DATE to DOWNLOADING **

My node has just stopped syncing and it just displays: Broadcasting blockchain state change from UP_TO_DATE to DOWNLOADING How can one fix this?
1
vote
0answers
147 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....
1
vote
0answers
508 views

JSON RPC from external server

I'm having trouble connecting to my node via JSON RPC from an external server. On the same machine, I'm able to pass the commands through bitcoin-cli and also locally I am able to run this PHP file ...
1
vote
0answers
124 views

Node Discovery Issue

On my node's https://getaddr.bitnodes.io/ page, clicking the "Check Node" button on the bottom of the page reports that the node associated with this IP address is up; however, at the top of the page, ...
1
vote
0answers
157 views

Bitcoin.conf connect command

When configuring the bitcoin.conf file, what should you put in connect=? There are IP addresses listed here, so I removed the # sign and left them as is. I also entered my WAN address and my local ...
0
votes
0answers
14 views

Private Blockchains: Blocks’ validation

I’m a software developer and I’m trying to understand blockchain at a code level I have the following issue: There’s a private blockchain, this private blockchain does not have any relation to ...
0
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0answers
32 views

Misbehaving nodes, what can they gain?

Why do some nodes perform attacks on the network, and what could they possibly gain from these sort of attacks?
0
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0answers
129 views

Bitcoin node generating invalid addresses

I'm running both a bitcoin and a litecoin node, both are generating invalid addresses. My LTC generated address: MV6eGvkbkgcDZLDpK1WQeZLMmx3PHZmXC7 My BTC generated address: ...
0
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0answers
22 views

How does bitcoin deals with timing issues

How does Bitcoin system deal with that nodes are offline for a long time? Do the nodes have to get updated before participating in transactions again. Also, how does Bitcoin handle with all the ...
0
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0answers
24 views

How can you differentiate between a segwit node/miner and a non segwit node/miner?

Is there any way to differentiate between a segwit node/miner and a non segwit node/miner?
0
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0answers
55 views

2 nodes connected to eachother only showing outbound?

After setting up 2 separate VPS' (Ubuntu 16.04) I can't seem to connected them succesfully. They see each other, ports are open, but when running altcoin-cli getaddednodeinfo or getpeerinfo, they ...
0
votes
0answers
491 views

NodeJS web app connect to node

I am making a web app that would act as an advanced blockchain explorer with a subset of the features. How do I start a node, and connect to it, and then receive data about new blocks, and ...
0
votes
0answers
133 views

bitcoind removed from version 0.12?

I just updated my node to the lastest version 0.12, it launched and synced up fine. Afterwards I closed the core GUI and launched bitcoind through the command line bitcoind -server and it returned ...
-1
votes
0answers
22 views

How to verify the response of getblocks?

Sorry that this question might be weird since I'm a beginner in blockchain tech. As I know, to download block data, a node first sends getblocks to its peer node, and the peer node send upto 500 ...