Questions tagged [raw-transaction]
This tag should be used for questions related to raw transactions, bitcoin transactions that have been serialized for network transmission.
56
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Redeeming a raw transaction step by step example required
I am looking, specifically, for a step by step example transaction of sending Bitcoin which uses an actual transaction (How To Redeem A Basic Txn, from a few years back, does a great job of outlining ...
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votes
3
answers
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How to sign a transaction with multiple inputs?
I have been able to program an application in python that sends valid transactions that spend 1 input, but I really can't get it to work with 2 or more inputs.
So my question is, how exactly is the ...
- 758
7
votes
2
answers
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HTLC (Hash Time Lock Contract) using bitcoin-qt
Is it possible to manually create a HTLC using the bitcoin-qt command line?
I know how to manually creating createrawtransaction/sendrawtransaction using the bitcoin-qt clients command line, and ...
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7
votes
1
answer
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How to sign raw transaction given a private key and SHA hash (in java)
I have followed the instructions here to build my own bitcoin transaction.
Redeeming a raw transaction step by step example required
Currently my code can create a transaction and compute the SHA ...
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6
votes
1
answer
459
views
What is the different between CompactSize and VarInt encoding?
Pieter Wuille's definition of CompactSize encoding seems to match Greg Walker's definition of VarInt encoding, yet the BitcoinWiki claims that CompactSize is not to be confused with VarInt.
What, if ...
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4
votes
1
answer
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Transaction's maximum size
Is there a maximum size for any given transaction?
I just created this tx:
http://blockexplorer.com/testnet/tx/194173dcc07b396433d5725abe76d52b10d42ebd3d1d10b465429f87fee12a52
and although it ...
- 1,366
4
votes
1
answer
748
views
Why do my transactions show I received 1 satoshi?
My Multi-Bit client shows 1 satoshi sent to me in my receiving transactions, with 1 confirmation only. The receiving address is quite old too. Why is that showing up when I didn't send myself anything ...
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4
votes
1
answer
808
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Parsing a SegWit transaction - what is the size of witness data?
I'm parsing s SegWit transaction, I got it done until i reach the witness data.
How big is the witness data?
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4
votes
1
answer
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How do I find the txid and vout values for an input I want to spend?
I was in the http://coinb.in/multisig/#newTransaction and wanted to make a input but it needed 2 values.
Txid, How do I get that?
TxIn/vout, Whats that and how do I get that?
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3
votes
1
answer
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Error -25 when bitcoind sendrawtransaction
I am trying to send a bitcoin raw transaction, but always got such an error. what's the possible explaination?
bitcoind --testnet sendrawtransaction ...
- 205
3
votes
2
answers
2k
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How can I specify transaction fee size when creating a raw transaction?
Question: Am I able to specify the transaction size in a raw transaction without having to send "change" back to myself?
I get some unspent bitcoins
listunspent()
I grab the txid, vout, and ...
- 133
3
votes
1
answer
850
views
What does the transaction version byte mean?
What does the transaction version byte mean and what would happen if it was 02 instead of 01?
Example:
...
- 383
1
vote
1
answer
1k
views
Does exist some library for decode/encode raw transaction?
I want to parse raw transaction into JSON then change some values and encode back to hex. JSON like this:
{
"addresses": [
"346vcZZ6QV4nr68fybMEuA7qxxQeyKWoPS"
],
"block_height": -1,
"...
- 131
1
vote
2
answers
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Issues decoding the words to transaction hex
I had asked a question earlier about compressing the transaction hex as it was used in a project that involved sending text messages (160 characters limit per message):
Compress transaction hex string
...
user103136
1
vote
1
answer
619
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OP_EQUALVERIFY: non-equal data
I'm trying to push the following transaction but keep getting OP_EQUALVERIFY: non-equal data
Here's the transaction
...
- 315
0
votes
3
answers
654
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Is there a way to create a tx completely offline? Maybe with a script or cli commands?
I mean generating the transaction itself offline, assuming I know in advance how much bitcoin a UTXO has. In other words, without querying the network for the UTXO balance.
Then I also need to sign ...
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0
votes
2
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359
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Unable to createrawtransaction - “Input not found or already spent”
I need help. I have createrawtransaction as per the screenshot but then, unable to signrawtransactionwithkey, I have insert WIF Private Key and it state that "Input not found or already spent&...
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41
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1
answer
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My raw transaction destroyed 0.0284377 BTC. What did I do wrong?
Years ago I designed a .NET module which facilitates the transmission of BTC to my customers. It creates a binary representation of the desired transaction based on the material presented here and ...
11
votes
2
answers
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How do I spend bitcoins from multiple wallets in a single transaction?
Using, e.g., the Bitcoin Core command line, how could I spend bitcoins from multiple wallets in a single transaction?
This comment says:
instead of sending the transaction to the network, you send ...
- 4,626
9
votes
3
answers
3k
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Can an unconfirmed transaction that only Blockchain.info shows be manually re-broadcast?
Blockchain.info shows a transaction that was created by Blockchain.info/wallet but for whatever reason the transaction didn't confirm right away and appears to not be getting re-broadcast (perhaps ...
- 27k
7
votes
1
answer
7k
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How to decode raw tx hex programmatically
createrawtransaction(...) in testnet returns this hex:
...
- 1,366
6
votes
2
answers
6k
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How to do mass payouts in my application to multiple addresses at once, or very quickly?
Let's say it's pay day--I've accumulated a lot of bitcoins, and sent them all to a single address. I now want to pay a lot of addresses from this "pool" of coins, say anywhere between 100 and 10,000 ...
- 201
6
votes
2
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Double spend transactions flag the node as "bad"?
I'm playing with raw transactions. It's easy to send two signed valid transactions at the same time from the same output to different addresses (making a double-spend attack). My doubt is: if I make ...
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6
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1
answer
2k
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What is the exact difference between a Bitcoin and Bitcoin Cash raw transaction to address sighash_forkid?
Bitcoin Cash apparently uses sighash_forkid, such that if you don't implement that into your raw transactions, the bitcoin cash network won't accept it. How would one need to alter (what to add and ...
- 1,406
4
votes
1
answer
273
views
Can a node broadcast a valid signed raw transaction while still syncing?
Built and signed a native bech32 UTXO, but when I attempt to broadcast from my testnet node using the command sendrawtransaction it returns "missing inputs". I don't have the private keys in my wallet,...
- 5,646
4
votes
1
answer
6k
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Signing a raw transaction with Python ECDSA (or OpenSSL)
I'm looking for specifics of Step15-17 from Redeeming a raw Tx Step By Step, which is essentially the step where the concatenated raw Tx structure is double sha256 hashed, and then signed with an ...
- 5,298
4
votes
1
answer
865
views
How to tell which part of the previous tx I need to make the hash to sign for an old given tx?
I have recently been taught (here) how to create the hash to sign for a given "input script" for an existing transaction. I then sought to test my abilities and sought out a difficult ...
- 1,406
3
votes
3
answers
874
views
How can I create a transaction that collects inputs from many addresses and sends them to one address in bitcoind?
I'm using bitcoind and would like to understand how to create transactions that send inputs from many specifically selected addresses (from my wallet) to one destination address. I want to do manually ...
- 239
3
votes
1
answer
2k
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Why I cannot get transaction from genesis block [duplicate]
When I run command
getrawtransaction
4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b
in my bitcoin-qt console (or bitcoind), I get
No information available about transaction (...
- 958
3
votes
1
answer
2k
views
Receiving `error: {"code":-25,"message":""}` on sendrawtransaction with v0.9.3
I'm running a bitcoind regtest node. When trying to relay a transaction (created using bitcoin-ruby) I receive
error: {"code":-25,"message":""}
When I restart the node and relay the exact same ...
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3
votes
1
answer
235
views
How to properly combine PSBTs for CoinJoin?
I am trying to learn the workflow for manual Coinjoins using PSBTs. I was following Andy Chow's suggestions in another thread here Where he suggests:
1. Createpsbt (he suggests using ...
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3
votes
1
answer
911
views
getrawtransaction in Bitcoin-Qt (0.8.5)
I am getting an error {"code"=>-5, "message"=>"No information available about transaction"} when issuing getrawtransaction.
I am aware that
since bitcoind/Bitcoin-qt 0.8, no transaction index is ...
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3
votes
1
answer
607
views
Creating a raw transaction from scratch/
I am currently learning bitcoin technology. So I came up around the term raw transaction. There are many tools to create a raw transaction but I want to do it all by myself.
My Idea is to write a raw ...
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3
votes
1
answer
2k
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How can I tell what input address sent me coin? [duplicate]
Rather - how does SatoshiDice do it? I know it's not proper format and people advise against it, but how is it technically possible?
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2
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Why raw Bitcoin transaction are in hex format?
Why are Bitcoin raw transactions in hexadecimal format? I am looking for scientific articles / books on this topic and I can't find anything, so my question is: why are they in hexadecimal and can ...
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1
answer
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How does one submit a transaction to the network using the blockchain.info API?
I am currently working on a project which makes use of the blockchain.info api (php). Could anybody please tell me how to use this api to submit transactions to the network?
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1
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SignRawTransaction - What is scriptPubKey and redeemScript? [SOLVED] [closed]
Let me talk about how I got to the situation I'm in right now. I am using PHP and the JSON library to control bitcoind. And doing so.....
I created a multisignature address requiring 2 of 3 ...
2
votes
1
answer
733
views
How can I get the destination address from raw transaction data?
I am writing a program that reads Bitcoin transactions from .blk files and performs some analysis on them. I would like to get the transaction destination addresses (like in some transaction explorers:...
- 21
2
votes
1
answer
2k
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What does "16: mandatory-script-verify-flag-failed (Non-canonical DER signature)" error mean?
What can this error mean? I've read through the code for it, and several of my transactions have not met the criteria for the error, yet are still rejected. I've tried decoding via several means (...
- 1,406
2
votes
3
answers
4k
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Create OP_RETURN tx with Bitcoinjs-lib
I know how to create a basic TX:
var bitcoin = require('bitcoinjs-lib')
var tx = new bitcoin.Transaction()
// Add the input (who is paying) of the form [previous transaction hash, index of the ...
- 81
2
votes
1
answer
931
views
Single signature P2SH redeem script
How would one go about creating a single signature P2SH transaction? (Analogous to a "2 of 3 multisig P2SH" but instead I'm asking about a "1 of 1".) Would one wrap a standard P2PKH scriptPubKey ...
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2
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How to create a signed transaction offline using electrum?
I remember that on Electrum, it used to have a Preview button inside the Send tab. By clicking the Preview button I could export the unsigned transaction, and then sign it.
I cannot find this button ...
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vote
2
answers
472
views
Compress transaction hex string
I realized transaction hex can be very long and you need it for broadcasting a tx using blockstream.info API:
https://blockstream.info/testnet/api/tx
https://github.com/Blockstream/esplora/blob/...
user103136
1
vote
1
answer
386
views
Does createrawtransction accept scriptPubKey and redeemScript as inputs?
According to the built-in RPC documentation the signature for createrawtransaction is:
createrawtransaction [{"txid":"id","vout":n},...] {"address":amount,...}.
Gavin in his example on 2-of-3 ...
- 1,366
1
vote
1
answer
1k
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Unspendable outputs vs Black Hole address
On the Script page of the Bitcoin Wiki, in the "Provably Unspendable/Prunable Outputs" section, it gives an example of a script which would make that output of the transaction unspendable. In the ...
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1
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1
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Bitcoin offline transaction
Consider the following scenario:
create an entire bitcoin raw transaction while offline (no access to the blockchain)
only when you decided to broadcast it that you would need to get online
Is ...
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vote
1
answer
467
views
How to redeem Non-standard script Tx (testnet instance)
Th testnet TxID 8d897ca91774a7fafa086a3275e679248d6bffee015d3b2efefd5dab00df152d has the following scriptPubKey:
scriptPubKey: "OP_DUP OP_HASH160
5f1426c2ce4a8e1abaa9dbe819b6303eb8a25a26 ...
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0
votes
1
answer
86
views
What fields of a coinbase transaction can be empty?
Is it correct to say:
As the coinbase transaction doesn't need to identify an output, there
is no need for the input scriptSig.
Would a block be accepted in which the coinbase transaction has an ...
- 576
0
votes
2
answers
1k
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Sign transaction with multiple inputs using bitcoinj/peercoinj libraries
Good day for everyone! I have some troubles with adding signed Input to the transaction. Currently, I'm working with altCoin (fork peercoin) currency.
I'm trying build the transaction in the ...
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3
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3k
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Extract genesis block raw TX data
RPC does not return the raw transaction for the genesis block. I need to get this data for other coins to be able to add them to ABE.
https://github.com/bitcoin-abe/bitcoin-abe/blob/master/Abe/...
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