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Relation between transaction data and transaction id

What is the relationship between transaction data and transaction id (which is used at mempool to generate Merkle root)? Note : when we query the getblock with verbosity 2, we get raw block in json ...
Ali's user avatar
  • 71
3 votes
1 answer

Is there a cache mechanism with getrawtransaction?

I am currently working on a script that parses every BTC transaction from the beginning of the blockchain. My goal is to record summaries about each transaction in database, after synthesizing it. ...
Lev's user avatar
  • 75
3 votes
1 answer

Handling "dead" (double-spent) transactions in my mempool

Say I receive transaction A and it is in my node's mempool and unconfirmed. Then a block gets mined directly, which spends one of transaction A's inputs, rendering transaction A invalid. What can I ...
deezy's user avatar
  • 301
3 votes
1 answer

How can I look at the genesis block raw txn?

If I try to look at the txn in the genesis block, I get: root@0eef0ed7601c:/home/bitcoin# bitcoin-cli getrawtransaction 4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b error code: -5 ...
patrick's user avatar
  • 233
3 votes
1 answer

Why doesn't the getrawtransaction command with the verbose flag include the confirmations field?

According to the official Bitcoin documentation, getrawtransaction should return a confirmations field, but I don't see that field in the response.
Andrei Mukhametvaleev's user avatar
3 votes
1 answer

How does the daemon get a transaction via a hash

I am wondering how the daemon gets the transaction data from just a hash. I'm NOT asking how i can get it, i know i can get it via the rpc, i am asking how the daemon does it behind the scenes. Does ...
Leah Cornelius's user avatar
2 votes
1 answer

Why is wtxid called "hash" in Bitcoin Core's getrawtransaction RPC?

In the industry txid is known as "transaction hash". Why wasn't the "hash" field called "wtxid"?
harbar's user avatar
  • 23
1 vote
1 answer

address list in "getrawtransaction"

i have a confuse about the "getrawtransaction" RPC function,it returns a json object, which contains the addresses list in the "vout" object,like below.It took me some time to understand when the ...
user100196's user avatar
1 vote
0 answers

locktime in getrawtransaction method in bitcoin-cli

what is different between Time, BlockTime and Locktime in " Getrawtransaction " method in bitcoin CLI? Actually I want to know that is locktime. Please help me :)
Sajjad Karami's user avatar
0 votes
1 answer

Why is `getrawtransaction` not working?

bitcoin-cli getrawtransaction 0627052b6f28912f2703066a912ea577f2ce4da4caa5a5fbd8a57286c345c2f2 error code: -5 error message: No such mempool transaction. Use -txindex or provide a block hash to enable ...
Indul's user avatar
  • 1
0 votes
1 answer

How Can I find sat/vb of a given Txid using bitcoin-cli

I want to find the sat/vb of a tx in a mempool. I am using bitcoin-cli to do this. cmd = ['bitcoin-cli', 'getrawtransaction', txid, "true"] This is the command that I extrect the info of the ...
Gencehan ARPAÇAY's user avatar
0 votes
2 answers

Retrieving Old Transaction in Bitcoin Core's console -getrawtransactions returns "no such mempool transaction" error

I'm new to running a full bitcoin node. After almost a week I could download the entire blockchain. My computer is running 24/7 to support the cause. When I tried to verify some old transactions that ...
Pishi's user avatar
  • 13
0 votes
1 answer

listunspent bitcoin core command returns the address as String while getrawtransaction addresses are array

this answers why vout.scriptPubKey.addresses is an array, then why the address in listunspent response is a String? Do you know any transactions in the blockchain have multi addresses in the vout?
Tailer's user avatar
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-1 votes
1 answer

How can I tell from the `getrawtransaction` if a transaction signaled Taproot?

I'm trying to "distill" Taproot transactions in the raw transaction output, but: It is still not clear to me what tx version number a Taproot transaction uses. How to find out if it's a ...
Bart DV's user avatar
  • 159
-1 votes
1 answer

EasyBitcoin-PHP not working for Rawtransactions RPCs

I've been using easybitcoin to access "Wallet RPCs" as defined here - But it doesn't seem to work with "...
mista phi's user avatar