Questions tagged [python]
Python is an interpreted, general-purpose high-level programming language whose design philosophy emphasizes code readability.
369
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Python code to create a two-input transaction in test net
I made a transaction that can be spent by anyone and now I wanna spend it and bring it back to my address. The problem in it doesn't have enough bitcoin for transaction fee so I'm using another input ...
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How to spend one or more p2tr inputs in python?
I see that bitcoinlib does not support taproot yet. Is there any good lib out there to spend one or more taproot inputs? I would like to create txs like this:
...
"inputs": [
{
&...
- 13
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Unable to spend a script path using buidl python lib
I've been struggling to figure out how to spend a particular script path using buidl python lib. Currently I assume the problem lies in how I construct p2tr address or there's a bug (very unlikely) in ...
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How to generate coinbase transaction in Python?
I know that on this forum a lot of questions on this topic, I have checked most of these, but can't find the solution for my task. I am creating my own algorithm for solo mining bitcoin on Python. I ...
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How to convert signature to DER encoded format in python
vk = ecdsa.VerifyingKey.from_string(bytes.fromhex(pubKey),curve=ecdsa.SECP256k1)
if vk.verify(bytes.fromhex(signature), bytes.fromhex(sha256_hash), hashlib.sha256, sigdecode=sigdecode_der) == True: # ...
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Old encrypted wallet + bitcoin core
I got desperate, I tried all the instructions I could find on the Internet - nothing helps.
What I have:
wallet.dat from bitcoin-core encrypted from 2015 (in four different
places)
the password I ...
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Getting error "non-mandatory-script-verify-flag (Witness program hash mismatch)" when trying to send raw signed transaction
I'm trying to send a fairly simple segwit transaction with multiple input and outputs using bitcoinlib, here's how the simplified code looks like:
from bitcoinlib.transactions import Output, Key, ...
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Can I read blockchain's information from Electrum's python console?
I wanted to use Electrum's python console, but the documentation just gives a few examples.
Is there a more complete documentation about python commands inside Electrum ?
Main tasks I currently want ...
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scantxoutset timing out
I have extremely simple python code to use scantxoutset.
The problem is that when I debug in pycharm it keeps timing out.
rpc_connection = rpcConnector.rpcConnect()
json_req = [{"desc": &...
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I cannot broadcast my raw tx (P2PKH) on testnet: Signature must be zero for failed CHECK(MULTI)SIG operation
I am trying to broadcast my transaction on the test network with no success so far. I get always this error:
sendrawtransaction RPC error: {"code":-26,"message":"mandatory-...
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1
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259
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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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Deriving bip84 addresses with python
Does anyone have a python script deriving the bip84 addresses from the private key?
I do have the private root key so I don't need to go all the way from the private key.
I'd like to do this with the ...
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What is one word seed word exactly?
I have the following code
import hashlib
import binascii
def word_to_private_key(word):
sha256_hash = hashlib.sha256(word.encode()).digest()
private_key = binascii.hexlify(sha256_hash).decode(...
- 111
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How should I install Core Lightning if my VPS won't let me use pip install?
I tried to install Core Lightning on a Ubuntu Digital Ocean droplet using these installation instructions and it won't let me pip install anything giving me an error externally-managed-environment. ...
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Nonstandard witness when building a transaction
i try to spend a P2WSH 2of2 multisig input in Python for learning purposes.
When i check my assembled TX with testmempoolaccept i get "bad-witness-nonstandard".
This is my function to ...
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