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Results tagged with transactions
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user 140253
Transactions are signed messages carrying out the transfer or generation of bitcoins. They are broadcast throughout the Bitcoin network and, if accepted, integrated in the blockchain.
2
votes
2
answers
256
views
How to extract transaction amounts from tx block?
I'm parsing bitcoin transactions and would like to be able to strip out transaction amounts. …
- 137
-1
votes
1
answer
74
views
TX doesn't contain an equal number of transactions with bitcoin addresses
I'm researching bitcoin and noticed that when transactions come through my node I don't have an equal number of "amounts" (e.g everything between 88ac and 19) with addresses (e.g everything between 76a914 …
- 137
0
votes
0
answers
88
views
How to extract p2sh from tx block
I'm trying to extract p2sh addresses from blocks and I am not doing something correctly. What I have tried is:
def decodep2sh(self, redeemscript):
sha256 = hashlib.sha256(bytes.fromhex(red …
- 137
-2
votes
1
answer
87
views
Block packets contain tx_in_sig_script, is this shared with tx data from tx packets?
I'm trying to find the signature script that is in a tx message so I can better parse data. I have found that it is in there sometimes, but largely the tx packets don't contain anything in the block p …
- 137
1
vote
1
answer
51
views
How to parse out the recipient address of "change" from transactions in tx?
I just read in this page that a transaction typically has two addresses, one for the recipient of a transaction and another for the "change" associated with the transaction. My question is why don't b …
- 137
0
votes
1
answer
219
views
parse bitcoin addresses from transactions received through the P2P protocol using python
I'm trying to extract public keys and transaction amounts from tx commands using python. Everyone on this stack exchange has been extremely helpful, but I think it's time to try and leverage a library …
- 137
1
vote
2
answers
87
views
Request tx messages from other peers?
I'm trying to request tx messages from known peers but it doesn't appear as though this is supported with bitcoin-cli. Is there a way to do this?
- 137
1
vote
1
answer
87
views
Reading blk.dat files using pybtc does not yield transactions
I am trying to parse the blk.dat files using pybtc but I can't seem to get this right.
f = open(block_filename, "rb")
lines = f.readlines()
for block in tqdm(lines):
…
- 137
1
vote
2
answers
340
views
What are the OP codes associated with bc1?
As the title says I'm trying to extract bc1 addresses by using opcodes I've found from reading about bitcoin online. However, I cannot actually find the opcodes associated with bc1. The segwit outputs …
- 137
2
votes
2
answers
269
views
Is there a set length that a signature can be?
I'm reading this page which describes the following method of creating a stack:
OP_0 <A sig> <B sig> OP_2 <A pubkey> <B pubkey> <C pubkey> OP_3
Sig Stack Pubkey Stack (Actually a single stack) …
- 137