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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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9 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
48 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 ...
6
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1answer
290 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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0answers
38 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 ...
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1answer
29 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
21 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
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1answer
42 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
12 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.
1
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1answer
49 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 ...
0
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1answer
24 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
37 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
24 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?
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1answer
57 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 ...
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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+. ...
1
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1answer
49 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 ...
0
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1answer
46 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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2answers
109 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?
0
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1answer
35 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 ...
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0answers
18 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 ...
1
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2answers
138 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 ...
0
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1answer
58 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 ...
0
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0answers
19 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));...
1
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1answer
46 views

Security implications of removing CHECKSIG in a test

If I conduct an htlc transaction on testnet that does not include OP_CHECKSIG will it still cost an attacker more than (say) $10 in processing power or storage to subvert my tests? Details: I'm ...
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1answer
39 views

Mutlisig tansactions with trezor with multiple inputs and outputs not able to broadcast

I am trying to do a multisig here is my final hex ...
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1answer
39 views

Initial Block Download Problem

I started a new Bitcoin Core(testnet) and the download of blocks worked perfectly till 15% and then i don't know what happened, but i got the following error: unknown new rules activated (versionbit 1)...
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1answer
418 views

BCH ABC testnet Faucet?

I want a bitcoin cash ABC chain (BCHABC) testnet faucet. Cause 15th Nov. onwards after a hard fork on bitcoin cash network existing bch faucets are not working. Even questions over here are also not ...
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1answer
127 views

how to see bitcoin blockchain and addressess for testnet [duplicate]

in my site the user has a link to check the transactions and his wallet address. right now I am using this: blockchain: https://blockchain.info/tx/#{txid} address_url: https://blockchain.info/...
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1answer
84 views

MULTISIG Verified transaction don't get mined on testnet

I'm trying to check the following simple MULTISIG P2SH script on bitcoin testnet (using python-bitcoinlib): Redeem = CScript([2, J1_public_key, J2_public_key, J3_public_key, 3, OP_CHECKMULTISIG]) ...
0
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1answer
48 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 ...
1
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1answer
105 views

Minimum funds required in a channel in Lightning?

I have noticed that, I cannot exhaust the funds in my channel to one side in lnd. I understand this makes sense so as to have some punishment in case of fraud, but I cannot find the reason for the ...
2
votes
1answer
201 views

Bitcoin core's estimatesmartfee error “Insufficient data or no feerate found” with synced node

I'm running bitcoin core version 0.17.0 on the Testnet and since yesterday, I've been experiencing problems with the RPC estimatesmartfee. I'm getting as a response: "errors": "Insufficient data ...
1
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1answer
292 views

Bitcoinj wallet can't receive coins in Testnet3

I have a problem with bitcoinj. I have created a wallet and than trying to send coins to it in Testnet3 using this faucet: https://coinfaucet.eu/en/btc-testnet/ Coins sended, transaction confirmed, ...
3
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1answer
313 views

Solving Bitcoin core's 'ActivateBestChain failed'

I'm running bitcoin core version 0.16.2 on the Testnet and realized that it had stopped receving blocks after the 1414433. I tried running bitcoin core with options -reindex and -reindex-chainstate ...
3
votes
1answer
67 views

Why was this transaction accepted?

In testnet, txid:fb7a8658ec015133e36e2cf7ddf7e8c887c3a5becec2f30f24ebfe43e72f4b59 transaction has two inputs. This two inputs indicate the same txid and vout, ...
1
vote
1answer
62 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
vote
2answers
127 views

Testnet Bitcoin wallet: which script in hash addresses?

Why does the Testnet Wallet create receiving addresses in the form of script hash addresses (prefix 2) instead of "plain" m/n-prefixed addresses? Is there any security reason? And, which script does ...
2
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2answers
380 views

Why are all testnet transactions currently unconfirmed and all faucets empty?

what is happening with btc testnet, all transactions are unconfirmed and all faucets are empty? For an example that is on of my transactions: https://live.blockcypher.com/btc-testnet/tx/...
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2answers
280 views

Why do transactions take so long to confirm in testnet?

I have created a transaction with high miner's fee and it is now in mempool (in testnet): https://live.blockcypher.com/btc-testnet/tx/abcc4ce473f490896e87102fe3ffb857ff735a0fc97525dadf9c5b0ed5410f9f/ ...
0
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1answer
273 views

accessing the Litecoin testnet

I am very new to creation of cryptocurrency wallet. how to create and access the litecoin testnet and elaborate the available ways to do that?if possible, provide link to simple sample project. Thanks
2
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2answers
454 views

running live and test node simultaneously

it took me 4 days to fully synchronize my node, but its finally running and i can create wallets etc.. I wanted to experiment with some transactions on testnet, so need to either change my config or ...
1
vote
3answers
781 views

bitcoin testnet is mining about 50 blocks per minute right now - why? [duplicate]

The bitcoin test network is mining about 50 blocks every minute for the last several hours. What is going on? You can see here: https://www.blocktrail.com/tBTC
1
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1answer
251 views

Can't specify rpcport for testnet

Was there a recent change where it is no longer possible to specify rpcport? I noticed these two warnings: Warning: Config setting for -addnode only applied on test network when in [test] section. ...
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1answer
49 views

While attempting to fetch a particular block my node just gets disconnected by peers?

A system at an office has its testnet node stuck at a particular block. The logs report "requesting block" over and over again for the same block and after each one reports "socket recv error" and ...
0
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1answer
81 views

How to Build Block Header in stratum?

When I studied the stratum on here,I found that there were little difference between the stratum and solo mining for building block header. The stratum tell us that we needed to pad the header to ...
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0answers
45 views

Bitcoin testnet transaction getting dropped with prefix on S

So a weird thing is happening lately. The transaction of a particular format is being accepted by blockcypher but it is not getting confirmations, and therefore gets dropped after a day. So the ...
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0answers
41 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 ...
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1answer
168 views

What happened to Bitcoin testnet? [duplicate]

What happened to Bitcoin testnet? Confirmation time is very short. 10 confirmation occurred in three minutes. I use Bitcoin core v0.16.0 (64-bits)
4
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1answer
419 views

Testnet difficulty change

Has something changed recently in testnet? Today I've been seeing new blocks appear every 1-5 seconds instead of the usual 10-20 minutes
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1answer
311 views

How to specify testnet via curl against json-rpc?

The testnet=1 option can be (not) specified in the bitcoin.conf file (thus causing it to be on mainnet by default), and this can be over-ridden in bitcoin-cli with the -testnet command-line option. ...
2
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2answers
963 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 ...