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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1answer
2k views

NBitcoin: signing a transaction in TestNet

I am using the NBitcoin Library to program a simple Bitcoin Transfer Program in C#. The Program will take the coins from a Transaction ID and then Transfer it to a Destination Wallet Address The ...
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2answers
2k views

bitcoin-cli commands like createrawtransaction not working with json on command line

I am trying to create raw transaction using the createrawtransaction api on testnet using the Windows7 command line. I always get an "error parsing JSON": C:\Users\amjad>bitcoin-cli -testnet ...
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0answers
116 views

testnet3 - unable to post txn using blockr or webbtc but can do using blockcypher. Also, transactions not getting confirmed. Why?

Tried to use blockr's Api to push transaction - using both online and shell tool - but I get this error: There was an error pushing your transaction to network! Did you sign your transaction? Is ...
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1answer
528 views

Bitcoin testnet3: unable to push/publish raw transaction: how to verify validity of transaction?

I have created a raw transaction and am now trying to push the hex format into testnet3. I have used following two ways and both are giving me two different errors, first one: curl -d '{"hex":"...
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1answer
1k views

How to fund an account in a Stellar private network?

I know, I can set-up a Stellar private network as described here. Once set-up, an account needs to be created as described here. The Stellar documentation says - In order to prevent people from ...
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3answers
1k views

Library for generating HD keys/addresses (ideally for python)

I require a library that I can create (and later import) a HD master key, which I will use to generate hundreds of addresses for both testnet and mainnet! Ideally, I need a python library (but had ...
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3answers
181 views

Does a thin client testnet wallet exist which allows offline signing?

I appreciate I can do offline singing with bitcoin-core, but it's complex. To make it easier, I would have to download the entire blockchain. I have searched up electrum, but can't seem to find a ...
1
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1answer
860 views

MultiSig Learning On TestNet

I'm trying to figure out multisigs and have just created a 2 of 3 multisig as follows: createmultisig 2 '["public_key_1","public_key_2","public_key_3"]' This returns 2 values Value 1: Address ...
2
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1answer
1k views

Testnet peers list (with IP addresses)

There are some services to get the list of current known peers, like those offered by 21.co or Blockchain.info but I can't find anything similar for the Testnet network. Does anybody know a Testnet ...
3
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1answer
238 views

Testnet for bitcoin - are there multiple operating?

I have been tinkering around on testnet with three portals: Biteasy Block Explorer blockr I observed that when I posted testnet coins using tpfaucet to a wallet created using testnetwallet, the ...
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0answers
193 views

are we on testnet4 already, or is testnet simply down?

on popular sites such as blockr and blockexplorer, I see standard testnet addresses show up as "false" and the last transactions/blocks seem to be sending coins to a black hole(unspent, but not linked ...
2
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1answer
121 views

Why do testnet blocks have future timestamp?

I am playing experiments with testnet blockchain, and it seems like the best block is always set about 2 hours into the future. For example, now, the block has timestamp 90 minutes into the future. I ...
3
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1answer
666 views

Update from Bitcoin core 0.12 to 0.13 requires blockchain re-download?

Apparently, Bitcoin Core 0.13 will download part of the blockchain again, even though 0.12 already saved it on the disk. My debug.log shows the last block it downloaded with 0.12: 2016-08-15 09:07:...
4
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1answer
840 views

Does the bitcoin testnet3 network support Segwit and OP_CSV?

As far as I know, Segregated Witness and OP_CHECKSEQUENCEVERIFY are the last features needed to be able to fully implement a trustless bi-directional payment channel, from start to finish. (...
4
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2answers
1k views

Is there a Bitcoin testnet that is really small so you can quickly download the blockchain and test stuff?

Is there a Bitcoin testnet that is really small so you can quickly download the blockchain and test stuff?
3
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2answers
193 views

is there a way to run bitcoin-qt and point it to a local testnet?

I'm running a small testnet locally with this project: http://github.com/freewil/bitcoin-testnet-box but I'm having trouble pointing bitcoin-qt to the blockchain that I created locally myself, so I ...
6
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2answers
929 views

How to check if node is on TestNet or MainNet via `bitcoin-cli`?

Is there a way, by using bitcoin-cli using RPC querying, if the node I'm querying is running on MainNet or TestNet? Thanks
1
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3answers
162 views

Accessing Testnet [duplicate]

Can i access the testnet without downloading the blockchain? im developing a software to do a testnet (later it will be in mainnet) transaction with a custom message embedded into OP_RETURN. if the ...
1
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1answer
381 views

OP_RETURN custom message in testnet transaction

I would like to do a bitcoin transaction in testnet by embedding a custom message in the OP_RETURN. do i have to download the bitcoin core client with and the block chain to do that? or can i use a ...
3
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1answer
678 views

Send a transaction using bitcoinjs-lib to testnet in a box

I put together some code using bitcoinjs-lib which allows me to create a testnet transaction and send some bitcoins from one address to another. But I'm getting tired of waiting for 10 mins after ...
2
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1answer
173 views

Not receving Bitcoins to my testnet wallet

I am running the bitcoinj wallettemplate on testnet3. I have this address miAKWcmebJ7TYyZCYUx54djHsatVGdNZA8 , I tried out some websites which sends me testnet coins (Faucet). But I am not receiving ...
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2answers
647 views

Generate QR Code tesnet

I would like to generate a bitcoin paper testnet wallet. A paper wallet is a QR code of a private key and a QR code of a bitcoin testnet address, I assume it can be generate juste like this link does :...
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1answer
101 views

Height mismatch between bitcoin-qt and bitcoin explorers

I am running bitcoin-qt on the testnet. The count of the last block is 787794 which is way ahead of what I see on blockchain explorers such as https://test.webbtc.com/, which shows the last block as ...
1
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1answer
866 views

0 active connection to bitcoin network (testnet)

I am working with the testnet. I downloaded the bitcoin-core application on Linux and I am running the version Bitcoin Core version v0.12.1.0-g9779e1e (64-bit) I was able to download the bitcoin block,...
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1answer
173 views

test net block time wrong

I can see http://tbtc.blockr.io/ time of block are showing "right now". When I click "all blocks" the time is two hours ahead of "now". I don't think it's blockr time zone problem, because 1) when I ...
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1answer
519 views

Server requirements & optimal configuration for Testnet

My friend and I are interested in running some experiments using a blockchain and accordingly we're interested in setting up our own Testnet. We're a bit light on experience, i.e. we've never set up ...
2
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1answer
66 views

Test network completely removed from the real network?

I know of the testnet Bitcoin provides, but is there any framework or simulator of the Bitcoin network which I can use to test on my local machine? I would like to edit parts of the code and simulate ...
16
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2answers
405 views

How thoroughly has Segregated Witness been tested?

I've encountered claims that Segregated Witness was "not really tested" and is being "rushed". It is my understanding that SegWit had been running on Elements for more than half a year already, and ...
5
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1answer
2k views

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: mandatory-script-...
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1answer
734 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 nxt-...
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1answer
211 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: ...
0
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1answer
68 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
69 views

Why is this (testnet) transaction considered invalid?

96c42fd1a6d4a77eef677030483ce79fd3e70100000000ffffffff02b0040000000000001976a914817b776c02b9e0fe60163a170b0d72a194a463ef88ace05a0100000000001976a914817b776c02b9e0fe60163a170b0d72a194a463ef88ac00000000 ...
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0answers
84 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 ...
1
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1answer
197 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 ...
0
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1answer
242 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 ...
3
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1answer
1k 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 ...
5
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1answer
559 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
163 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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0answers
72 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 ...
1
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1answer
44 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 ...
3
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1answer
554 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 ...
4
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1answer
3k 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 ...
0
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0answers
209 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 bitcoin....
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0answers
435 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: $...
1
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1answer
665 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 ...
1
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1answer
745 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 ...
1
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1answer
1k 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 but ...
0
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0answers
82 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.
1
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2answers
224 views

Where can I access a NXT public testnet node?

Was wondering where can I access a public NXT testnet node?