Questions tagged [testnet]

This tag should be used for questions regarding the third Bitcoin testnet. The testnet is a network separate from the main Bitcoin network that allows developers to attempt modifications of the bitcoin protocol safely and test in-development software without risking money.

Filter by
Sorted by
Tagged with
6
votes
2answers
4k views

How can I tell when bitcoind has found a block?

I'm using the traditional bitcoind -gen on the testnet to mine some test bitcoins. I did this on one machine for a few hours, and stopped when I found a faucet. Later though, I magically obtained 50 ...
21
votes
10answers
27k views

Is there any where to get free testnet Bitcoins?

I'm building a project with bitcoins and want to test it with testnet. However, I don't have any testnet bitcoins, and despite the difficulty being less than 100 usually, I still haven't been able to ...
-1
votes
1answer
264 views

What does the text strange or nonstandard type mean in the output of a transaction?

I am trying to learn bitcoin by writing a script that finds a balance of a set of addresses by scanning all raw transactions. In the following link, the output at index 1 has no address and is ...
2
votes
0answers
74 views

Why are the first 514 blocks on testnet3 dated much earlier?

This is kind of an obscure question, but I'm curious. In playing with Testnet (version 3), I noticed an odd jump in the block times. Blocks 0 through 513 have block times from 2-3 February 2011. ...
4
votes
1answer
617 views

What is my chance to find a block on a TestNet ?

My gethashespersec is 4806082, on the TestNet what is my real chance to find a block ?
3
votes
1answer
265 views

How many coins been mined on the Testnet?

How many coins been mined on the Testnet? How can I check how many coins have been mined?
4
votes
2answers
3k views

Mining on the testnet: how to configure bitcoin-qt?

I am trying to generate some coins with the client ./bitcoin-qt -testnet -gen How can I config to what address the money go ? p.s.: actually I got notification for mining success but no coins in ...
3
votes
4answers
5k views

How to check testnet address balance

I have an address mpc1rKeaMSCuQnJevMViLuq8uWjHwgdjiV I check it via json rpc and get balance = 4.6 with 6 confirmations When I check http://blockexplorer.com/testnet/address/...
2
votes
1answer
146 views

(How) can I run standard clients on a “toy” block chain?

Say I build some software around the Bitcoin system and I would like to try stuff without having to earn real BTC first, and without having to employ a lot of hashing power to grow the block chain. ...
3
votes
2answers
1k views

How do I get testnet block height?

Like I would do wget -O - http://blockchain.info/q/getblockcount 2>/dev/null for the main net.
2
votes
2answers
294 views

Which testnet am I on?

How can I know which testnet am I on? I just ran bitcoind -testnet, and I would assume it would connect to the most recent one, but is there a way to know it?
7
votes
1answer
643 views

How to use bitcoinjs with TestNet?

One of my colleagues is trying to use bitcoinjs with TestNet, but apparently it doesn't like TestNet headers, so it doesn't work. Is there any way to make to use bitcoinjs with TestNet? Is there some ...
2
votes
1answer
2k views

Why must generated coins mature 120 blocks before they can be spent?

I mine bitcoin testnet blocks and I find some blocks with difficulty 1. Some examples: I mined these blocks: Block 1 Block 2 Why must generated coins mature 120 blocks before they can be spent?
3
votes
1answer
2k views

Testnet Bitcoin Generation Time

2 Parts to this. 1st - What is a typical winning block (I get coins) generation time when running on testnet. Ive done numbers with calculators and all that but given I cant work out accurately ...
6
votes
1answer
948 views

Has the TestNet ever been reset?

The Bitcoin TestNet is a network identical to Bitcoin in every respect except that the bitcoins on it are worthless because no one accepts them in payment or values them for anything other than ...
16
votes
1answer
4k views

getrawtransaction error? [Code -5]

I'm trying to read raw transactions but there is a problem; Seems like getrawtransaction only works for recent transactions, old transactions give me the next error: No information available about ...
2
votes
1answer
749 views

How do I know if my bitcoin client is mining?

I set up my bitcoin client to run on the testnet network, where I can presumably mine test bitcoins in a reasonable amount of time using only a laptop CPU. ./bitcoin-qt -testnet -gen Using top I can ...
2
votes
0answers
723 views

How to Install bitcoind 0.7.2 Server on Ubuntu for bitcoin-testnet-box

I am trying to setup a private test net with the source at: https://github.com/freewil/bitcoin-testnet-box However, it requires bitcoind 0.7.2 (the latest version is 0.8.0). I tried installing 0.7.2 ...
8
votes
2answers
6k views

Difference between bitcoin and testnet, really

Other than what is listed in the wiki, what is the difference between the two networks? Could you sell test Bitcoins for money if you could find someone willing to buy? What would happen if you ...
5
votes
1answer
501 views

Test Network Genesis Block

I am using BitcoinJ for my java application which fetches the test network's genesis block. I referred to the basics mentioned at JavaWorld and BitcoinJ's Google Code wiki. I am able to get it ...
6
votes
3answers
569 views

How to experience the thrill of mining?

Bitcoins are hard to mine now. I've always wanted to actually earn them, but never actually gotten much of anything. I want to create my own blockchain, separate from any other networks, so that ...
3
votes
1answer
250 views

Are all the *coin networks consistent in which script actions are permitted and disabled?

The reference Bitcoin client disables several script commands (the programming within a transaction) due to possible implementation issues in the network. I think it's possible that a forked client ...
4
votes
2answers
399 views

Is the Testnet stable?

I have been recently playing with the testnet (using bitcoin-qt -testnet). I have been able to mine a few coins and do some test transfers, but I have found some problems: The coins appear sent, but ...
6
votes
3answers
2k views

Paying for testnet coins?

If testnet coins are this difficult to get, what's the chance people start throwing in some real money to speed along the process? If only to just have to not wait to test, say if you have an ...
4
votes
1answer
133 views

I'm developing on the Test network. Are there any “rules” or communication methods I should adopt?

I'm testing a C# port of the client on the Test network and need to test for a variety of conditions. Should I communicate to others regarding my actions on the network? If so, what method of ...
-1
votes
1answer
201 views

How do we prevent the Test network from being misrepresented as production?

I'm concerned that people new to Bitcoin may not be aware that the test network exists, and the new users will end up "paying" for Bitcoins that are essentially worthless. What protections are in ...
6
votes
1answer
2k views

Example accepted getwork function input and output?

I'm looking for example getwork input and output of a successful block hash to verify a getwork client I've implemented. I'd also accept suggestions on better ways to verify this. I've looked at ...
8
votes
1answer
804 views

Why does vanitygen ban certain letters on testnet?

I'm guessing that vanitygen is more strict or has different rules than production's Base58 rules. Why are some of thse names marked not possible? C:\vanitygen>oclvanitygen -k -o gpukeystestout....
6
votes
2answers
3k views

How do I generate coins on testnet? CPU, GPU, FPGA? Are there pools?

Is it possible to mine coins on testnet using CPU? GPU? How about FPGAs? Are there any pools running on testnet? The reason I am looking for this is so I can master the new API's relating to ...
0
votes
2answers
2k views

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 ...
6
votes
3answers
2k views

How can I run bitcoind on test and production networks, at the same time, on the same computer?

Bitcoin and Bitcoind will send an error if it is launched multiple times. I'm assuming this is because they share the same database and wallet. Is it possible to run two instances of Bitcoin QT / ...
8
votes
2answers
280 views

Who are the key developers, and where can I follow their progress and decision making?

I want to follow the most up to date developments of Bitcoin, (such as M of N transaction confirmation). Who are the primary developers of Bitcoin and what is the most efficient way to track the ...
3
votes
1answer
144 views

Testvectors for dedicated hardware miner

I have written my own hardware implementation for hash computation. I am participating in a pool, that is I get sent the midstate and some data which should then be hashed. I wonder, whether there ...
3
votes
1answer
1k views

How do I run my own testnet? What's testnet-in-a-box?

If I want better control of my test environment while developing a bitcoin-related application it seems useful to run my own testnet rather than use the public testnet. How can I do this? What is ...
2
votes
1answer
205 views

How can I work with multiple testnets?

Apart from running a private testnet-in-a-box there are also the public testnet instances. You can use this instead of the regular (production) bitcoin network by setting testnet=1 in your bitcoind ...
10
votes
3answers
2k views

Testnet eWallet?

Is there any eWallet available that works on the TestNet? I want to test some payments and so forth and sometimes I want to have an access to an online wallet, so I don't need to hassle with ...
23
votes
11answers
15k views

Is there a blockchain.info for testnet?

I'm trying to test to see if transactions went through or not and blockchain.info is super helpful for this on the real network.
2
votes
2answers
882 views

How do I run a headless testnet on OS X?

I'm trying to develop some applications and need bitcoind, but can't seem to find a recent version. Posts seem to indicate that it's incorporated into Bitcoin-Qt, but I don't want to run a GUI just ...
9
votes
1answer
1k views

Reduce difficulty on testnet-in-a-box?

I'm doing some testing and often find myself needing to generate 6 blocks quickly to confirm some tx. Each block takes a few minutes to generate on my macbook so this slows things down considerably. ...
5
votes
1answer
667 views

Are there any mining pools operating on the Testnet? [closed]

Are there any mining pools operating on the Bitcoin Testnet, or do pool owners just test their code using their own machines without keeping the test pool up for too long?
4
votes
3answers
446 views

Running two bitcoind instances for different nets

Is it possible to run two separate bitcoind instances on one system at the same time, one for mainnet, other for testnet?
4
votes
1answer
860 views

Testnet fallback nodes

Is there a list of nodes on Testnet that work like the fallback nodes on the Mainnet? I am trying to test my Bitcoin communication code and I'd like to start with just one IP I can rely to be on and ...