Unanswered Questions
740 questions with no upvoted or accepted answers
5
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Bitcoin RPC: How to find the transaction that spends a TXO?
I suspect there is no good way to do it.
However is there any sub-optimal way to find the transaction that spends a transaction output (knowing the txid and index) with Bitcoin RPC?
Assuming txindex=1 ...
- 77.9k
5
votes
2
answers
970
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bitcond and bitcoin-Qt system configuration and bandwidth requirements
What is the best operating system configuration for a computer to run (bitcoind or bitcoin-Qt) and (BFGminer or CGMiner) under Linux, assuming that it will be connected to a 3 Terrahash mining rig on ...
CommunityBot
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4
votes
0
answers
67
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How to calculate the hashes in Lightning
I was wondering how I calculate the hashes regarding BOLT03 Specification:
The Revocation Pubkey is calculated like this:
revocationpubkey = revocation_basepoint * SHA256(revocation_basepoint || ...
- 10.4k
4
votes
0
answers
305
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Creating a P2SH-P2WPKH using Bitcoin Functional Test Framework
I'm using the Bitcoin Functional Test framework to understand how SegWit works by analyzing and building a P2SH-P2WPKH transaction.
When I run my code the transaction gets created, but when I inspect ...
- 10.4k
4
votes
1
answer
78
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What are the malleability threat vectors when passing PSBTs to other actors?
If I am passing a PSBT (Partially Signed Bitcoin Transaction) between multiple people, and I pass on my signature for my UTXOs for given inputs, can someone take advantage of malleability and cheat me ...
CommunityBot
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4
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0
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374
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Is it safe to skip the initial block verification at startup?
The longest step in bitcoin core initialization is "Verifying last 6 blocks at level 3". The number of blocks checked at startup went down from 288 in 2014 to 6 now. Therefore, in order to speedup ...
- 773
4
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222
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libwallycore error installing LND on Ubuntu 18.04
I'm setting up an LND node on Ubuntu 18.04. I've installed python3, and cloned the repo. I ran configure, and get this error on the make command:
checking byteswap.h, usability... no
checking ...
4
votes
1
answer
1k
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Generate addresses from Trezor's xPub using Python
I am trying to generate BIP32 HD addresses from my Trezors xPub key.
I keep getting errors with most of the libs our there. What am I missing?
pywallet:
from pywallet import wallet
xpub = '...
CommunityBot
- 1
4
votes
1
answer
2k
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 ...
CommunityBot
- 1
4
votes
0
answers
413
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How to explore transaction chain via Original Bitcoin API as blockexplorer does it
Is there any possibility to explore transaction chain via Original Bitcoin API (https://en.bitcoin.it/wiki/Original_Bitcoin_client/API_Calls_list) as the blockexplorer does it.
If not, why?
CommunityBot
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3
votes
0
answers
37
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How to broadcast transactions in bitcoin regtest mode?
I build three nodes named A,B,C based on bitcoin-regtest image of docker. And these three nodes are in the same network which means they can communicate with each other.
In node A, I use
bitcoin-cli -...
- 77.9k
3
votes
1
answer
472
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Partial private key recovery
I had the pleasure of setting up a Bitcoin wallet using the Blue Wallet app and diligently noted down the 52 characters of my private key on a piece of paper for backup purposes.
Upon revisiting the ...
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3
votes
0
answers
154
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bitcoind still running after 'bitcoin-cli stop'
I'm running Debian 11, all updates installed. 12gb RAM, massive internal SSD for storage.
$ /usr/local/bin/bitcoin-25.0/bin/bitcoin-cli stop has worked well shutting down bitcoind on my computer until ...
- 161
3
votes
1
answer
95
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How to make sure the user receives lightning payment?
I am working on a side project to allow users to receive some payments from it. When a user clicks a button to withdraw to a lightning address, my webapp makes a request to the host of that lightning ...
CommunityBot
- 1
3
votes
0
answers
141
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bitcoind performance issues
I am struggling with poor performance of Bitcoin Core full node, which is used as a hot wallet.
There are similar questions already but without an answer or solution
Bitcoind Performance for ...
