Testnet is a network separate from bitcoin that allows developers to attempt modifications of the bitcoin protocol safely.

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Testnet: mandatory-script-verify-flag-failed when doing OP_RETURN

For some reason I keep getting error: {"code":-25,"message":"Missing inputs"} EDIT: Updating error now that the full testnet blockchain is downloaded "code":-26,"message":"16: ...
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16 views

How to install a private testnet?

I'm looking to make my own NxT testnet for developpement purpose but couldn't find a way to do it. I'm currently using the normal " testnet " but couldn't find the way to properly configure the ...
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14 views

bitcoin testnet daemon stuck

I am running bitcoin testnet daemon for development, but lately I have trouble with starting the daemon. Blockchain is downloaded and it seems that everything runs fine till init message: ...
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33 views

Is there a way to force fail the transaction in testnet network

I would like to test my application with all the edge cases. Could you please tell me is there a way to force fail the transaction in the testnet blockchain so I can test if my application handles ...
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1answer
17 views

Why is this (testnet) transaction considered invalid?

96c42fd1a6d4a77eef677030483ce79fd3e70100000000ffffffff02b0040000000000001976a914817b776c02b9e0fe60163a170b0d72a194a463ef88ace05a0100000000001976a914817b776c02b9e0fe60163a170b0d72a194a463ef88ac00000000 ...
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32 views

Quantity of traffic on test network

I want to begin experimenting with bitcoin. I notice the estimated upload traffic for the real bitcoin network is around 200 GB per month. That's too much for an experiment. How much traffic per month ...
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1answer
55 views

Does a transaction with a lock time need more time to be confirmed?

I've made this transaction in the testnet: https://testnet.blockexplorer.com/tx/2f18c646a2b2ee8ee1f295bb5a0f5cc51c5e820a123a14b0c0e170f9777518bb It's a multisign tx with locktime. The locktime has ...
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1answer
35 views

What am I doing wrong with my BitcoinXT test net setup?

I installed bitcoind and bitcoin-cli, set the configuration file so that I am using test-net and requested funds from TP's TestNet Faucet. The funds never appeared in my account. I thought at first ...
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1answer
198 views

How to set up a private bitcoin network with mining on a single machine?

I created a testnet for mining using several ports in a single machine. However I see that the source codes [CAddrInfo, CAddr] are based on IP and not IP||port. Is there an easy change to make it do ...
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1answer
63 views

How peer discovery works after connecting to hardcoded nodes?

I am tinkering with the bitcoin source code and trying to understand the exact working of peer discovery mechanism in the testnet mode for which I have made the following changes: Disabled the DNS ...
2
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1answer
68 views

Bitcoin transactions reserve more coins than needed

I have a JavaWebApp wich uses bitcoinj 0.13.2 for sending bitcoins from a wallet to a particular address in a TimerTask. When the job starts, every minute I send 10000 satoshis to the address. The fee ...
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31 views

Reset bitcoin blockchain checkpoint to mine 0th block [duplicate]

I want to start a new block chain and mine the 0th block, but I guess the hardcoded checkpoint in chainparams.cpp won't allow that. I guess I need to reset the checkpoint hardcoded as follows before ...
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1answer
23 views

Am I paying Double fees?

On testnet I sent a transaction I believe this was for TBTC1.000 and a 0.0001 fee: i.e. inputs - outputs = 0.0001. When I try to claim the transaction I am only allowed to claim 1 - 0.001. If I ...
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37 views

Bitcoin testnet not connecting to hardcoded ip addresses

I am trying to force bitcoind running in testnet mode to connect to my own defined set of ip addresses(basically 127.0.0.1:diffPorts). For this I have disabled dnsseed and starting with a fresh ...
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1answer
107 views

Receive money in regtest mode

I am working on a app in which my project communicates with the bitcoin server to get the details of a transaction with transaction id as the parameter. I have bitcoind, bitcoin-cli and bitcoin-qt ...
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13 views

how to get confirmed balance for bitcoin testnet server? [duplicate]

I can't get confirmed BTC from https://tpfaucet.appspot.com/ server. Tried many address and can't get balance with confirmation. for that reason my testnet server balance is always 0.0 ...
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53 views

what is the bitcoin.conf for testnet3?

I need to use bitcoin testnet3 server for testing via php. bitcoin.conf rpcuser=bitcoinrpc rpcpassword=random string testnet=1 create JsonRpc object with easy bitcoin: ...
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96 views

testnet server won't get any btc from TP's TestNet Faucet. what is the reason?

I have generate bitcoin address from testnet server. but I can't get any btc in those address. i tried many times and I failed. can anyone explain me that is the reason? whay i can't get btc on ...
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1answer
93 views

Trying to send Bitcoins from testnet to my regtest node

I send bitcoin regtest server BTC to other bitcoin address of same server. I sent 5 BTC but it shows 50 BTC of that account's associated address. It received 5 BTC. What's the problem with this ...
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1answer
151 views

how to use bitcoind jsonrpc for regtest or testnet server in php?

i used bitcoind with jsonrpc service. but i added regtest=1 in bitcoin.conf at .bitcoin folder. used: bitcoin-cli -regtest generate 101 bitcoin-cli -regtest getbalance 50.00000000 ...
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28 views

How to send an invalid transaction for testing purposes?

How could I send an invalid transaction—for testing purposes, such as with testnet or regtest? For example, I would like to to try to double-spend, spend non existent coins, etc.
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37 views

Bitcoin soft fork hypothetical issue based off BIP66

Recently I saw BIP66 activation occur on testnet, but then the majority of miners were propogating V2 blocks again, causing 0.10 nodes to reject any v2 blocks - causing a fork between V2 and V3 nodes. ...
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53 views

testnet pay per share mining pools

I was wondering if there are any testnet mining pools that are active, or is all of the current hash power on testnet (about 3 Th/s) all from solo miners. I would like to be able to get a bit of ...
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18 views

how to tell if a pool is not working

I have been trying to mine on testnet just for fun, and I ran across a testnet mining pool http://testnet.tbdice.org. Using cg miner, I was able to connect to the pool; however all of my shares are ...
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2answers
64 views

Where can I access a NXT public testnet node?

Was wondering where can I access a public NXT testnet node?
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1answer
136 views

Running another instance of bitcoin-qt dedicated to testnet/regtest?

Is it possible to run another instance of bitcoin-qt dedicated to testnet/regtest? If so, how do i do this? My question is similar to "Running two bitcoind instances for different nets," but I want ...
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1answer
138 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: ...
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2answers
51 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 ...
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1answer
70 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 ...
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1answer
72 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 ...
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2answers
142 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.
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164 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: ...
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1answer
48 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
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1answer
143 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 ...
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119 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 ...
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1answer
252 views

Redeeming OP_SHA256 hash OP_EQUAL (Testnet) Tx

I created the following non-standard Tx on the Testnet3 network: 6b52c981e6814072db77cb755b2633cd126b4ca21501d18ab994531e17a4a813 { hash: ...
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1answer
68 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 ...
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110 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.)?
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89 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 ...
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45 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
66 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?
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2answers
64 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.
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861 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.
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1answer
96 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 ...
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1answer
113 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 ...
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1answer
73 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. ...
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1answer
132 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 ...
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1answer
68 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 ...
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1answer
473 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 ...
2
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1answer
171 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 ...