Unanswered Questions
281 questions with no upvoted or accepted answers
5
votes
0
answers
772
views
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 ...
4
votes
1
answer
1k
views
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 = '...
4
votes
0
answers
413
views
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?
3
votes
0
answers
290
views
How to calculate the purging low-fee for a node with the default mempool size?
I'm running a full node with a mempool size set to 2 GB. Default mempool size is 300 MB.
At the moment (block hight 785,095) the mempool size is around 344 MB.
Running rpc command
bitcoin-cli ...
3
votes
0
answers
628
views
bitcoin TransactionBuilder is not a constructor
I'm trying to send bitcoin with the bitcoinjs-lib library and I get the following error:
TypeError: bitcoin.TransactionBuilder is not a constructor
at sendmoney (/Users/....../bitcoin.js:53:18)
at ...
3
votes
2
answers
1k
views
RPC port 8332 not accessible after reboot
I have compiled and installed Bitcoin Core for the first time on Debian 11. Everything is up and running except that RPC port 8332 is not accessible after a reboot.
I get the following error running ...
3
votes
0
answers
75
views
How to segregate wallet from bitcoin core | Run multiple wallets in different servers on one centralized bitcoin node
I am running bitcoin full node in a centralized server. I have many web applications running in various places. I want to connect this web applications with centralized full bitcoin node. How to ...
3
votes
0
answers
466
views
Electrum Seed Purpose for MultiSig Wallet
I'm curious as to what exactly is protected by the seed that Electrum generates for a multisig wallet. My knowledge of the protocol implementation is rather basic, so please correct me where I'm wrong ...
3
votes
0
answers
6k
views
bitcoin-cli - "error: couldn't connect to server" [solved as per comment]
I have bitcoind 0.13.1 running on a Raspberry Pi. I can see it on the bitcoin network using bitnodes.21.co but I can't connect to it locally with bitcoin-cli.
My bitcoin.conf is:
rpcuser=xxx
...
3
votes
0
answers
184
views
Electrum via command-line: can generic blockchain info be requested?
For example can I ask the Electrum client via it's API what the height or version of the latest block is? Looking through the docs all I currently see is wallet commands.
3
votes
0
answers
529
views
bitcoind inconsistent authentication error
I am using a Linux computer.
The issue I am having is that sometimes I have to use "kill -s 9 (bitcoind pid)" and restart bitcoind using "bitcoind -txindex" because bitcoind will sometimes not let me ...
3
votes
0
answers
182
views
getblocktemplate times out after being called many times
I am writing a program about bitcoin mining. It calls the RPC method getblocktemplate every second. Sometimes bitcoind doesn't reply to my RPC getblocktemplate request, but bitcoind still accepted new ...
3
votes
0
answers
129
views
When does the "reject" string have an empty reject reason upon submitting a new block?
I submitted a new block using the rpc command submit. And I just got a "reject" string without a reject reason.
I checked the bitcoind source code, and found that it usually sends a reject reason; ...
3
votes
0
answers
281
views
Bitcoind JSON-RPC - getbalance with 0 confirmations not included
When I access bitcoind through JSON-RPC and query:
getbalance '*' 0
It does not include transactions with 0 confirmations.
Only when a transaction has least 1 confirmation it is included in that ...
3
votes
1
answer
195
views
What is the best way to implement withdrawal in online service?
Suppose we have a service, which holds user balance in Bitcoin.
How to implement withdrawal from bitcoin perspective?
Which RPC call to use? How to archive transaction to have a proof of sending ...