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.

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5
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1answer
889 views

Problem with sendrawtransaction

When I use bitcoin-cli sendrawtransaction and only get -25 errors. I have tried to push the transaction using different blockchain explorer sites, but that didn't work. I have tried: ...
3
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2answers
70 views

Why can't the block size upgrade be trialed on testnet with an organised “stress test”

A stress test was run on mainnet to see the effect of exponential demand in Tx volume. Why can't a testnet "stress test" be organised to look at the implications of the 20Mb block size (and other ...
1
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1answer
438 views

Why the same confirmed transaction in the Testnet has different block hash and other fields?

Chain.com http://explorer.chain.com/transactions/a4bfb8e21ae3d6232183dfb8ef5fcee8c9b8f223c2d25738e24765a75abd009b Chain.so https://chain.so/tx/BTCTEST/...
0
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1answer
122 views

Why was this transaction allowed on testnet?

I'm a bit confused on how testing stuff for Bitcoin on the testnet currently works. For example, bitcoin core 0.10 enables only 40 bytes in OP_RETURN, but I'm not sure if 0.10 is the latest version ...
2
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3answers
909 views

Bitcore Testnet API

Does anyone know if Bitcore offer a testnet API to play around with? I'm implementing an Escrow system using the API and Node.js and don't particularly want to use real Bitcoins. Thanks.
5
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1answer
1k views

Cannot create a transaction

I am trying to create a transaction on the bitcoin testnet, using bitcore: Error Message : SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data Here is my code: var ...
1
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1answer
102 views

Armory 0.93 on Testnet: consistent unconfirmed Txs sent from connected Bitcoin-cli (log attached)

Running Armory (0.93.0.82) on Win7 x64 with the following flags: "C:\Program Files (x86)\Armory\ArmoryQt.exe" --testnet --datadir=d:\data\armory\testnet3 --satoshi-datadir="d:\data\bitcoincore" --...
2
votes
1answer
320 views

Why am I unable to post two transactions (the second from the change address of the first) in the same block?

I'm attempting to make a transaction on the testnet with an OP_RETURN and a change address in it, and then make a second OP_RETURN transaction from first transaction's change address in the same ...
6
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1answer
423 views

Working example of raw transaction utilising Boolean (OP_IF, OP_ENDIF) scripting REQUIRED

I recently posted this Testnet TX (TxID 2d0daa01da8294a54178f8111eb2a02010c425fd15957d8baee8717edcfbe105) which successfully spends an output (TxID ...
0
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1answer
667 views

Redeeming OP_SHA256 hash OP_EQUAL (Testnet) Tx

I created the following non-standard Tx on the Testnet3 network: 6b52c981e6814072db77cb755b2633cd126b4ca21501d18ab994531e17a4a813 { hash: "...
3
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1answer
393 views

Testnet version history

From Bitcoin Wiki: Testnet There have been three generations of testnet. Testnet2 was just the first testnet reset with a different genesis block, because people were starting to trade testnet ...
2
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1answer
425 views

How can one simulate and analyze attacks on the Bitcoin network?

Are there any other platforms or tools beside TestNet where I can simulate and analyze various attacks like double spending (finney/block withholding attacks etc.)?
0
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2answers
154 views

bitcoin-0.9.3 won't syncup on TESTNET stuck at height 26859

Downloaded the latest bitcoin core tar ball 0.9.3. New install for test and development. This thread relates only to the TESTNET, I haven't tried on the production network. When launching the bitcoind ...
1
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0answers
54 views

Is it possible to run a simple attack on a previous version of the client in testnet mode?

I need to simulate an attack locally or in testnet (if possible) for academic purpose, on an old and bugged version of the bitcoin core client. I am in posses of test BTC in the last version. I want ...
2
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1answer
286 views

How do you access the NXT testnet to test out new features of the system?

I downloaded the new nxt platform and want to try out the testnet system for new features. How do you get the testnet running on your local system?
3
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2answers
270 views

Do testnet networks require the same main network fee?

As in the title, I'm wondering if testnet networks always require the same fee. I know the coins aren't worth any thing, so it doesn't matter if I have to pay the fee or not, but I'm just curious.
3
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1answer
4k views

BlockChain.info testnet wallet and API

Does blockchain.info provide wallets and API service for testnet? This information is quite hard to find from their site.
1
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1answer
255 views

Key exported from BitcoinJ is different from the key shown by bitcoind

I am quite new to Bitcoin. I am trying to use Bitcoinj with regtest mode. I have created the following application: public class TestBitcoinj { private final static BigInteger ONE = new ...
0
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1answer
243 views

How do I run Armory Testnet on Win7 x64 using Bitcoin Core 0.9.3 using remote datadir?

Trying to use the testnet which I have no problems with using Bitcoin Core 0.9.3 with command: Bitcoin-qt.exe -testnet -datadir=f:\data\bitcoincore But running Armory using the Testnet icon attempts ...
0
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1answer
194 views

Local Testnet3, where do the new coins get sent to?

I'm trying to setup a local testnet with multiple nodes. Currently I have three nodes, and their mining powers are almost the same. When I use listaccounts RPC call, all the wallets have 0 coins. ...
2
votes
1answer
943 views

Bitcoin testnet: “Bitcoin is downloading blocks…” and other problem

I'm trying to setup a local testnet with multiple nodes. Currently I have three nodes, and their mining powers are almost the same. Things have been quite ok so far, except some problems that I need ...
0
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1answer
95 views

Are bitcoin testnet addresses taxed?

Here is a testnet address I've been experimenting with, Here is some test BTC leaving the address, I didn't initiate the transfer though, is this a feature of the testnet to keep the faucets stocked ...
2
votes
1answer
2k views

How can I do CPU mining on testnet?

I'm trying to do cpu mining on testnet to debug coinbase transactions in my application. Tried running GUI miner, I get the below output: 2014-07-31 11:31:51: Running command: poclbm.exe testnetuser:...
2
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1answer
259 views

Error pushing hex of tx, generated with bitcoinjs 1.0, on testnet

I'm new to bitcoin programming and decided to give it a try with the release of bitcoinjs-lib 1.0. Here is how I generate the hex for the transaction var bitcoin = require('bitcoinjs-lib'); var key =...
1
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0answers
944 views

creating our own coin - connection refused error

We are trying to create our own currency. We first started with testnet. The aim is to generate a genesis block and testnet did it very well. However, although we had connection between two ...
2
votes
1answer
314 views

Tx to a multisig address in testnet not working

I've sent a tx to a newly created multisig address on testnet, but I don't understand why I didn't get the funds yet. What I've done so far was to create 3 separate wallets, and get the 3 pubkeys to ...
2
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3answers
292 views

Which altcoins have testnets?

Bitcoin can be run on a public testnet (by using a different port than the real Bitcoin network). This is very useful for development, because you can test software handling Bitcoin without handling ...
1
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2answers
648 views

RPC calls fail in testnet mode, but not normal mode?

I'm running bitcoind on a debian web server. If I run in normal mode, i.e. "bitcoind -daemon," then it seems to work completely fine. [birdseye]$ ./bitcoind -daemon Bitcoin server starting [birdseye]$...
3
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2answers
3k views

bitcoind in testnet is not synchronizing

I installed bitcoind into Linux. I'm running it in testnet mode but it is not synchronizing as it is not downloading blocks. I have the following in bitcoin.conf: rpcport=8332 # Needed for testnet ...
2
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1answer
334 views

Bitcoind doesn't find transactions / synchronize / update until last block from Testnet

I set up bitcoind as server. It downloads the testnet blockchain but it is inconsistent with public data: http://blockexplorer.com/testnet/q/getblockcount 182951 (As of 18/02/14) And bitcoind ...
3
votes
1answer
3k views

How to establish connection for mining testnet blocks on newly created altcoin

I was trying to clone an altcoin for educational purposes. I am total newby and I've got some plans to implement different PoW and continue working on cryto-currencies. I followed the cloning guide ...
1
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1answer
305 views

Double spend attempts examples on testnet?

Where can I find some double spend attempts examples on testnet? Can anyone refer me some TXIDs with double spends on testnet? EDIT: I need some example in which an outpoint was intended to be used ...
2
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2answers
913 views

How to use Bitaddress.org and Blockchain.info with Testnet coins?

I was asking myself the same question posed at How to run a bitcoind on a hosting securely? At the above posting, George Pearce provided a good suggestion. However, I have questions but ...
1
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1answer
535 views

Bitcoin Testnet is not working [closed]

I am new to Bitcoin Development Environment. Trying to setup testnet environment with the help this blog post. Bitcoin Folder ~/.bitcoin $ ls bitcoin.conf chainstate db.log peers.dat blocks ...
1
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0answers
548 views

Cannot synchronize with Bitcoin in testnet mode

I downloaded Bitcoin-QT for Windows 7 into: MYUSERNAME/Downloads/bitcoin-0.8.6-win32/bitcoin-0.8.6-win32 I want to run Bitcoin in testnet mode, so I created bitcoin.conf with only the following ...
3
votes
2answers
3k views

Cannot get Bitcoin-QT to run in testnet mode

I downloaded Bitcoin-QT for Windows 7 into: MYUSERNAME/Downloads/bitcoin-0.8.6-win32/bitcoin-0.8.6-win32 I want to run Bitcoin in testnet mode, so I created bitcoin.conf with only the following ...
0
votes
1answer
259 views

Looking for testnet coins [duplicate]

Having a hard time getting the amount of testnet coins I need. Anyone know a way of getting a rather large amount of testnet coins? If you can spare some:mvhTdSXUhs812vY5t1StAKohwid5GwALgK
2
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1answer
287 views

Completely confused with mutisig address and scripts

I used the guide, how to make escrow from bitcoin console. Here are my transactions in testnet: tx1 tx2 I am confused about ScriptPublicKey in tx1: OP_HASH160 ...
7
votes
3answers
2k views

Can an address have negative balance?

This address:n1JagbRWBDi6VMvG7HfZmXX74dB9eiHJzU (on testnet) has a negative balance of -0.27388239 according to: https://www.biteasy.com/testnet/addresses/n1JagbRWBDi6VMvG7HfZmXX74dB9eiHJzU, namely, ...
1
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0answers
161 views

Nonstandard script - TX rejected

I am experimenting in testnet with nonstandard scripts. There was a transaction, created by me, with the following vout script: OP_HASH256 ...
1
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2answers
3k views

Easiest way to accept BTC and test

We are building an online game and planning to enable our players to play for bitcoins. Therefore, we need to enable players to deposit and withdraw bitcoins. Which way is the easiest to start ...
0
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1answer
1k views

dumpwallet always corrupts my wallet

I have repeated this process a few times, always with the same error. In one terminal, ./bitcoind -testnet in another ./bitcoind -testnet getnewaddress mgj4Y8AvckxborhQzqFAhppcGVGFExqJvB ./...
3
votes
3answers
2k views

Block explorer with testnet raw hex data

Blockchain.info allows you to look at the raw hex of a transaction. But it doesn't have testnet functionality. Blockexplorer allows you to look at testnet, but I can't find a way to show the hex dump. ...
0
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1answer
435 views

Using the bitcoind -testnet test network and automatically creating test wallets

I am developing some bitcoin based services and I am interested of automatizing testing for them. bitcoind seems to come with -testnet option. What are the best practices of using this? How to ...
6
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1answer
1k views

How can I find the “real” difficulty on testnet?

As is well known, testnet has a "20-minute rule": if no block is found within 20 minutes, the mining difficulty drops to 1 until a block is found. From some experimentation, it appears that bitcoind'...
3
votes
2answers
742 views

Not generating any blocks on testnet

I am running bitcoind, and I have cgminer solo-mining on it. I am mining on Testnet3. My hash rate (this is an OLD computer) is ~800Khash/s, so according to one online calculator I should be ...
2
votes
1answer
707 views

Anyone successfully mining bitcoins in Testnet3?

I've been chugging away on multiple machines for days, and while I get a lot of 'unconfirmed' and 'orphaned' and 'immature' blocks, nothing lands in my wallet. Anyone else having this problem? From ...
2
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1answer
582 views

What happens if you send BTC to a testnet address?

What happens if you send real Bitcoins to a testnet address?
6
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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
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10answers
26k 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 ...