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
22 views

These testnet outputs are not making sense to me

Today I took some time to mess around with the bit Python library, which I find pretty easy to use. I have been wanting to do some Bitcoin programming for a while, so I decided to create a simple web ...
3
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3answers
1k views

How to get Electrum 3.1.3 on bitcoin testnet?

I'm building an application on bitcoin and want to use testnet instead of using real bitcoins to do my test. I'm mainly using Electrum-3.1.3 to do sweeping of addresses. But how can I switch this to ...
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1answer
46 views

System requirements for running a Bitcoin Core node on testnet

What are the minimum systems requirements for running a Bitcoin Core full node on testnet?
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1answer
16 views

looking for faucet API so i could use it for tests - Automated faucet

i would like to make some tests on test net, the issue is every time i have insufficient fund in my wallet i need to find a faucet and manually add funds. i would like to create an automatic faucet ...
2
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1answer
21 views

Lightning Network on testnet - listchannels and listnodes returning empty values

I have setup a lightning node on testnet using c-lightning. The lightning-cli getinfo command output: { "id" : "0315a5746114ab9f3e8f0a3f2f73153ef1e4a8fb58daa54fa97c9603dfab989a30", "alias" : "...
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1answer
51 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: ...
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1answer
29 views

Most popular Bitcoin API gateway

I'm looking for well developed, maintained and stable API allowing to access bitcoin tesnet. Something like Infura for Ethereum. Googling gives many results, but can somebody point me out what is ...
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2answers
76 views

Where can I get bigger amount of test BTC?

We are conducting some testing with the end users of our application and I need a bigger amount of test BTC for it. Using faucets, I can get 0.1 or 0.01 per request with captcha, but I need something ...
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0answers
33 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 ...
5
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2answers
13k views

How to generate a testnet address?

Bitcoin addresses can be generated on this site https://www.bitaddress.org, but the test network needs m or n at the beginning of the address, where can those be generated?
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0answers
47 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
207 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: ...
2
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2answers
231 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" ...
0
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1answer
60 views

how to differentiate bitcoin-cli command when have testnet & mainnet both running

I have bitcoin testnet3, mainnet, regtest both running in the same server, I can interactive with them by curl, because the ports are different, but when comes to bitcoin-cli how can I specific the ...
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2answers
1k views

How can testnet CashAddr addresses be converted back to the old format?

I noticed on the new update of the Bitcoin Cash wallet (BitcoinABC) (for testnet and not sure for mainnet) that it has a weird beginning and address (e.g. bchtest:...
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1answer
253 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 ...
5
votes
1answer
998 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
20 views

Child Pays for Parent transactions get stuck on testnet

I'm building a service prototype by reusing Electrum code and generated 4 consequent transactions which are CPFP type on the testnet. They are staying unconfirmed for several hours but test ...
3
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1answer
899 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 ...
1
vote
1answer
75 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 ...
0
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1answer
79 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
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0answers
43 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=...
3
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1answer
62 views

Could a transaction hex on testnet theoretically be valid on mainnet?

For all practical intents and purposes it seems a testnet tx hex could never be valid on mainnet because of the prev tx hex present for all inputs used in the tx. However, let's say that by some ...
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1answer
466 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" ...
5
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1answer
309 views

How to test if a transaction is standard without spending real money?

The problem with Testnet is all types of transactions are allowed, so how can I know if a transaction would be rejected on mainet ?
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1answer
79 views

Bitcoin-qt -testnet 0.17.1 Send and Receive buttons do nothing

Fully synced on testnet blockchain after building Bitcoin with UI and wallet enabled on Ubuntu 18.10. Pressing Send and Receive buttons results in no UI displayed. Receiving addresses dialog doesn't ...
5
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1answer
830 views

Creating Mining Competition on regtest

As we know , Bitcoin core-Regtest is used to set up our own blockchain starting from Genesis Block. I have created Two nodes on my localhost running on different ports (I am using Windows 8.1). They ...
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0answers
44 views

How to assemble and test a script on Bitcoin testnet online?

Given a script using Multisig, how can I convert addresses to hash that can be used in the script then assemble the script and then launch it inside a transaction on Bitcoin testnet that can viewed on ...
-1
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1answer
69 views

How to setup a testnet full node on Windows 10?

I'm trying to implement an SPV and I'd like to test it on a testnet full node but can't really understand how to do it from what I've found.
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0answers
56 views

Testnet APIs for bitcoin sv?

I'm trying to write code in nodejs that can check balance of an address and send transaction. I'm using the bsv library in nodejs, and I'm stuck at 2 parts which concern to interacting with the ...
1
vote
1answer
76 views

getbalance and listaddressgroupings inconsistent

I imported a private key from my electrum wallet (testnet) to bitcoincore (testnet) as follow: In my electrum wallet, I copy the private key associated to the address ...
1
vote
1answer
77 views

Negative number of confirmations for a testnet transaction on blockexplorer

I am curious about the test transaction f72f59a32c1bac47ec87bc3678ec44e98eece5e235d29d79cd1f5461ccc5bf38. Depending on which site I view this transaction, the number of confirmations is positive or ...
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0answers
13 views

Is their a way to use Bitcoin's Testnet/LN Testnet within CLI without downloading Bitcoind?

I'd like to start working with Bitcoin's & Lightning's Testnet but don't want to download bitcoind on my current computer.
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1answer
100 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 ...
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0answers
108 views

How to perform CPU mining on bitcoin TESTNET on Linux?

I need approximately 100 Bitcoin Testnet to run an experiment on the lightning network. Any suggestion on how to run CPU mining? Should I use cgminer? Make any sense to perform solo mining on ...
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0answers
30 views

Where would I test the Liquid Network at testnet?

I would like to test Liquid Network functions with recently announced Liquid Core. Can be Liquid Network used for Bitcoin testnet?
3
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1answer
793 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. (...
0
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1answer
39 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 ...
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 ...
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0answers
14 views

very frequent blocks on testnet3 [duplicate]

I see very frequent blocks on testnet3: more than 18000 since 2019-02-18T06:28:34Z, it's one per 1.76 seconds average. blockcypher.com states that highest block is 1458714, but my node got 1475843+. ...
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vote
1answer
68 views

How to run a private bitcoin network with low difficulty?

I want to test and develop an open source mining pool. I don't have access to an ASIC miner or GPU, so I have to use my CPU to simulate mining and see how the pool really works. The problem is the ...
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2answers
151 views

Can I mine bitcoin testnet coins with my regular bitcoin asic miner?

Is it possible to use my bitcoin asic miner to mine testnet bitcoin coins? Is there special software I need? can I join a testnet pool or is there even such a thing?
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2answers
168 views

Bitnodes for node on testnet

I have used the bitnode's own script to install a full node on an Ubuntu 16.04 Digitalocean droplet. I can verify that my node is up and running by checking the IP with port 8333 on Bitnode's check ...
6
votes
2answers
758 views

Is there a Shapeshift service for Testnet coins to convert Bitcoins to other Altcoin testnet coins?

I'm building an app and I'm working with btc testnet coins, but I want to be able to convert them to other altcoin testnet coins. Is there such a service out there?
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 ...
21
votes
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 ...
3
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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. ...
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0answers
19 views

How to Send BTC from vmnode address to local address using privatekey in testnet?

I created two bitcoin address in VM nod as well as local and dump privatekey for both addresses by using "dumpprivkey" command. Is there any posibitity to send BTC from bitcoin address which is ...
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vote
1answer
97 views

How to perform automated mining in regtest mode?

I'm trying to setup a private network of bitcoin nodes for testing and experimentation. From what i understand, i have two choices while setting up a network: I can run bitcoind -testnet and connect ...
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0answers
21 views

BitCoin not signed in when trying to CreateInvoice

In code bellow I'm trying to create Bitcoin payment: var privateKey = "f267c05d4552b92825e46cfe056d6e3ff36072538f71d8c5acf3ebc4b09f4c87"; var key = new Key(Encoders.Hex.DecodeData(privateKey));...