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.

47 questions with no upvoted or accepted answers
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1answer
582 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 ...
4
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0answers
804 views

To sign raw transaction with Segwit Address in the TestNet

I am using Bitcoin core 0.14.1 testnet. I created a Segwit address. transfer some coins to this address. Now I want to spend it. I created a raw transaction using console command i.e. ...
4
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1answer
1k views

Building Signed Bitcoin Transaction in Java

I have been attempting to build my own raw transaction generator in Java which I can then broadcast on the testnet network. The problem is when I attempt to broadcast the transaction it says there is ...
2
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0answers
640 views

Is there any testnet faucet site that sends out to bech32?

I am writing a wallet for the far future and I am planning to completely drop the support for receiving to P2PKH addresses. I don't want to add P2SH over P2WPKH either.
2
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2answers
343 views

Double spending on testnet or regtest?

I'm currently doing a research on bitcoin and I would like to know if there is anyway to replicate double spending in the testnet or regtest? If isn't possible is there any other type of "attacks" ...
2
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0answers
75 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. ...
2
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0answers
733 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 ...
1
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0answers
257 views

Enable dustRelayFee behavior on testnet to get error code 64: dust

Crafting and sending an utxo of 1 satoshi does works and get mined on testnet without error. However on mainnet the error code 64: dust arise. I understand the basic idea that you are not able to ...
1
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1answer
134 views

I can't send a transaction from electrums cli

I am trying to send a transaction in the cli using electrum with the command ~$ electrum --testnet payto mvYrQck9VfujSanmwvQxiLab3fLuywGdvh 0.01 -f 0.002 Password: (I entered the correct password ...
1
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0answers
70 views

Mycelium Gear testnet confirmation

When I send payment to a testnet address generated by Mycelium Gear, it doesn't see the transaction even when it's included in a block. Blockcypher.com, blockexplorer.com, blockchain.info and ...
1
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0answers
200 views

How to check that Genesis Block has valid proof of work using CheckProofOfWork() function?

I have been learning the ins and outs of the bitcoin source code over the past 3 months but I can say I have not fully mastered it yet. I wish to understand how the genesis block is validated using ...
1
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0answers
144 views

Test vectors for bitcoin core (blocks and transactions) needed

I am looking for test vectors to test edge cases of an implementation. For instance: "Unusual" blocks that made it to the blockchain Non standard transactions that made it to the blockchain Anything ...
1
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0answers
123 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 ...
1
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0answers
220 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 ...
1
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0answers
478 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: $bitcoin = new Bitcoin('...
1
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0answers
55 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 ...
1
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0answers
1k 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 ...
1
vote
1answer
664 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 ...
1
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0answers
178 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 ...
0
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0answers
13 views

Connection Reset after sending mempool message

I build a python script to talk to bitcoin test nodes. When I'm sending mempool messages, my connection is getting is reset. Also sometimes when connecting to Jimmy Song's testnet node (testnet....
0
votes
1answer
55 views

Can a wallet start with 20 and how can it be generated?

Someone claims a wallet can start with 2 on btc mainnet. How possible is dat. I knw 2 is the testnet pay 2 script wallet type. If its possible. How can it be generated?attached is an example of the ...
0
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0answers
38 views

bitcoin-qt -testnet wallet dumped error EXCEPTION: NSt8ios_base7failureB5cxx11E

I got an error message but don't understand what to do now, to fix this. ************************ EXCEPTION: NSt8ios_base7failureB5cxx11E CDataStream::read(): end of data: iostream error ...
0
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0answers
22 views

Why i can't get more node address in bitcoin testnet?

I get a address list from DNSseed of bitcoin testnet,and i try to connect these node and send getaddr message to them,but all addr message replied to me contain only one address and the address is ...
0
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0answers
48 views

How can I mine a block, in C#, on a new Testnet network where no other miners exist?

I want to demonstrate how to use NBitcoin or the most simple C# function to collect transactions for use in a block then sign that block submit it into the Bitcoin-QT network client on the RPC port? ...
0
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0answers
83 views

Changes for bitcoin.conf file and details on the testnet network bitcoin-core

I have installed bitcoin core testnet and it is now synchronized with the network after 24 hours. My question is about bitcoin.conf file. I will tell you the procedure I used to install: I created the ...
0
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0answers
40 views

How to leave the Bitcoin testnet?

My BitcoinCore client says it's on the testnet. I've done nothing to configure this. How do I change it to do real Bitcoin transactions and wallets? Also, every time I shutdown my PC the client had to ...
0
votes
1answer
48 views

What is the maximum channel capacity allowed on the Bitcoin testnet?

Using Electrum desktop wallet connected to the testnet, when trying to open a channel with the amount exceeding 0.16777215 BTC I get the following: Could not open channel. Exception('Requested ...
0
votes
1answer
164 views

How to send requests to a testnet faucet to collect coins at my address?

I am really new to Bitcoin and have just started reading about it. From what I understand testnet Bitcoin can only be requested every 12 hours or so and yields a very low quantity. I would like to ...
0
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0answers
107 views

Sent some testnet Bitcoin to Bitcoin Core wallet but balance is still zero

I got the testnet Bitcoin address with this command: bitcoin-cli -testnet getnewaddress And here is the Bitcoin address: 2NDtNjDbEiNiKDuAnwyKBmRPQ49NNpesdhE As you can see in blockchain there was a ...
0
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0answers
137 views

Bitcoin rpc testnet balance and transaction not visible

I'm using bitcoind-0.15.0.1 version & My Wallet Address is: muweVvHKnK1bE88pUsrpSAPuWry1V1AmHZ But whenever checking balance with following command: bitcoin-cli getreceivedbyaddress '...
0
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0answers
43 views

Can I use an earlier version of testnet?

I am looking to mine bitcoins with ease. But, first, I want to know how can I access an earlier testnet (testnet2). I have future plans to do this. I need to know how to open it up on the command line ...
0
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0answers
81 views

What are the Advantages of Mainnet over Testnet?

In recent days most of the ICO's starting with test net then developing their own block with mainnet. I don't know why they are doing this. What are the reasons behind this starting with testnet and ...
0
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1answer
358 views

Bitcoin Testnet API that allows transaction lookup and submission of raw transactions

I'm looking for a well developed, maintained and stable API allowing to access bitcoin testnet. Something like Infura for Ethereum. Googling gives many results, but can somebody point me out what is ...
0
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0answers
588 views

Connection Refused when running bitcoind in a non-root user and trying to make RPC calls

I'm new to Bitcoin development and I'm currently having difficulties trying to make RPC calls to a Bitcoin-Core daemon running in a SSH server. I suppose that the problem is with Firewall or closed ...
0
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1answer
222 views

broadcasting error for raw bitcoin transaction testnet

I am trying to create a raw transaction and send it to the testnet. I am using testnet keys and here is the simplified readable output from my script: decoded private key: ...
0
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0answers
373 views

bitcoind localhost port 18332: Connection refused Ubuntu 18

Trying to connect to testnet using curl from localhost on ubuntu server. Tried lots of combinations of bitcoin.conf and ports. Here's my config: server=1 daemon=1 testnet=1 rpcuser=user rpcpassword=...
0
votes
1answer
363 views

testnet.blockchain.info api not showing latest results?

I sent a transaction to the testnet address mzWCWQU6phb9rKSAiQ4FBU92sGYtY7tjPH a few days ago and I have been using the testnet.blockchain.info api for a while now in my project. It was working fine ...
0
votes
1answer
844 views

How find own address in testnet using bitcoin-cli?

I have bitcoin-core installed, I am running it in testnet mode. Now if I want to fund my wallet, I need to know the receiving address. How do find my receiving address, so that I can fund it and then ...
0
votes
1answer
110 views

Can I send BTC from other node or wallet with my address?

I'm trying to send bitcoins from node2 with my address using private key noted that my address is created in node1.I followed this link: "https://en.bitcoin.it/wiki/How_to_import_private_keys" I dump ...
0
votes
1answer
548 views

How to use litecoin testnet on fully synced litecoin core on amazon ec2 instance

I run a synced litecoind on amazon ec2 linux instance. [ec2-user@ip-xxx-xx-xx-xxx ~]$ litecoind -version Litecoin Core Daemon version v0.13.2.1 [ec2-user@ip-xxx-xx-xx-xxx ~]$ litecoin-cli ...
0
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0answers
53 views

Failing to send a testnet transaction manually

I use Ken Shirriff's post on how to manually create and send a transaction, and I tried to adjust it to work with testnet. AFAIK after adjusting to the testnet addresses, no further adjustments should ...
0
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0answers
436 views

Bcoin node and testnet faucet

I started bcoin in daemon mode (s I understand it is the same as full-node) with specifying network: testnet. As I understand it connected to the world-wide testnet. Now I want to get some test BTC. ...
0
votes
2answers
739 views

Blockchain.info testnet websocket doesn't work

When I try to connect testnet websocket provided by blockchain.info api. Connection doesn't establish, when i looked into the code. It says for testnet it uses "wss://ws.testnet.blockchain.info/inv" ...
0
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0answers
92 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.
0
votes
1answer
200 views

Import testnet address in bcoin

I´m trying to import a watch-only address to my bcoin node using cli (testnet). My config looks as follows: [....] # # Options # network: testnet # # Node # prefix: ~/.bcoin-testnet db: leveldb ...
0
votes
1answer
99 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 ...
-1
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0answers
13 views

Bitcoin testnet vanity

I was wondering if there are any vanity address generator for bitcoin testnet? I have been able to find many vanity generators but they are not fast, vanity gen plus has testnet option but its not ...