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Unanswered Questions

109 questions with no upvoted or accepted answers
4 votes
0 answers
305 views

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 ...
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 = '...
3 votes
1 answer
471 views

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 ...
3 votes
0 answers
219 views

How can inputs be retrieved efficiently when parsing the bitcoin blockchain?

I downloaded the Bitcoin blockchain. I have a full node and I would like to do some parsing. I use RPC to send commands to Bitcoin Core from my Python program. When I get a block it works fine but the ...
3 votes
0 answers
2k views

How to sign bitcoin raw transactions with Python offline

I have a raw bitcoin transaction created using createrawtransaction unsigned_tx = "...
2 votes
0 answers
180 views

Bitcoin Core RPC server not working

I have downloaded and installed and got up and running a bitcoin core node, and it is running fine as far as people are connecting to it on port 8333 just fine. However I can't seem to connect to it ...
2 votes
0 answers
110 views

How to get transaction fee info using Python from an Electrum server?

I can get a raw transaction and parse it using electrum and bitcoinlib fairly easily: import bitcoinlib from electrum.daemon import Daemon from electrum.simple_config import SimpleConfig class ...
2 votes
0 answers
235 views

What tools can I use to create and replace RBF transactions?

I'd like to create transactions within my python application, that support replace-by-fee RBF (BIP125). Apparently, if I want to be able to replace my transaction later on, I need to signal that ...
2 votes
1 answer
302 views

SPV client TCP connection in python

I am trying to implement an SPV client in python (for my own learning). I want to start by making a simple TCP connection to a full node, but I either cannot get a response to my version message, or ...
2 votes
0 answers
122 views

How to generate unspendable testnet bitcoin address with python?

I'm trying to generate a testnet address. However, I tried to write this python program (using help of various online code places), and I created this program. The program is designed to take a 20 ...
2 votes
0 answers
1k views

Service or application to auto sweep specified BTC private keys?

Is there a service or an application that will auto sweep a bitcoin private key to your own wallet? I want to monitor a few private keys and sweep them once they receive funds in it.
2 votes
0 answers
469 views

How to add blockchain.info API key to pibitcointools

I have a query-intensive app I'm building that keeps timing out with the message: Traceback (most recent call last): File "test.py", line 72, in <module> array = bitcoin.multiaccess (...
1 vote
1 answer
35 views

pywallet needs 'bsddb' package to run, please install it

On a Ubuntu 24.04.1 LTS VM I installed Python 2.7.18 via: wget https://www.python.org/ftp/python/2.7.18/Python-2.7.18.tgz tar xzf Python-2.7.18.tgz cd Python-2.7.18/ sudo ./configure --enable-...
1 vote
0 answers
60 views

How can I import a legacy private key without a wallet file?

I have legacy private key. How can I import it on the newest Bitcoin Core? Please describe the steps I need to follow.
1 vote
0 answers
55 views

python "pbkdf2_hmac" function doesn't return same as Ian Coleman BIP39 tool. Why?

I am trying to go from a BIP39 phrase to Seed to xprv root key. I have the following BIP39 phrase: "prefer offer puppy imitate pink banana because whale letter thought artwork loud" which ...

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