Questions tagged [raw-transaction]
This tag should be used for questions related to raw transactions, bitcoin transactions that have been serialized for network transmission.
1
vote
0answers
19 views
Error mandatory-script-verify-flag-failed (Signature is found in scriptCode)
I found a few questions with the specific error, but couldn't find also the appropriate answer. So, here I am.
I am working on regtest in a Python library that create transactions and then use JSON-...
3
votes
1answer
48 views
Could a transaction hex on testnet theoretically be valid on mainnet?
For all practical intents and purposes it seems a testnet tx hex could never be valid on mainnet because of the prev tx hex present for all inputs used in the tx. However, let's say that by some ...
1
vote
0answers
32 views
How to sign bitcoin raw transactions with Python offline
I have a raw bitcoin transaction created using createrawtransaction
unsigned_tx = "...
2
votes
1answer
28 views
Why does witness use count instead of length?
In legacy transaction (without SegWit) the scriptSig is easily parsed by knowing the length of it (a CompactInt value) and without needing to read the script in place.
However in SegWit transaction ...
0
votes
1answer
27 views
LedgerJS - How to P2SH sign multiple transactions from multiple wallets in 1 function call?
First some explanation
I have made 2 raw transactions via Electrum using my Nano S Ledger as seed and exported them to .txn files.
let rawTx1 = "...
7
votes
1answer
526 views
Can I send almost 1MB transaction?
Block size is still limited to 1MB. As I understood, transaction size is no longer limited. So can I be sure that my transaction with 29000 outputs and reliable fee will be included into block?
Or ...
0
votes
1answer
58 views
How to sign rawtransaction with private key
How to sign raw transaction with private key.
this is my raw transaction :
...
1
vote
1answer
68 views
Bitcoin Script: mandatory-script-verify-flag-failed Script failed an OP_EQUALVERIFY operation
I try to spend a P2SH transaction (in regtest) with a timelockscript of 200 blocks. I got the following error:
mandatory-script-verify-flag-failed (Script failed an OP_EQUALVERIFY
operation) (...
0
votes
1answer
35 views
How to properly use the rpc command `listunspent` with `bitcore-lib` to create a transaction and get the transaction hash?
I am trying to use the rpc command listunspent to get all the UTXOs relevant to an address, and then I am trying to pass it to a transaction, using bitcore-lib.
Below is my code:
const Client = ...
1
vote
1answer
52 views
Open source, how can I view “Transaction Create a new transaction” and “Sign Transaction”?
Not long ago I saw on the site github.com the very first Nakamoto code:
https://github.com/livegnik/BitCoin-v0.01-ALPHA
Running bitcoin.exe, I did not find the console. If the program is open source,...
1
vote
1answer
50 views
What's the segwit transaction serialization “flag” field for?
According to bip 141, the segwit transaction serialization format (used to compute the wtxid) is:
[nVersion][marker][flag][txins][txouts][witness][nLockTime]
The bip mentions that the flag field ...
0
votes
0answers
67 views
How to sign multisig transaction in Go
I'm trying to sign a multisig transaction (3 of 4 signatories) in Go using some btcd packages.
The following function should sign the transaction:
func SignMultisigTransaction(rawTransaction []byte, ...
0
votes
1answer
64 views
Creating a raw bitcoin transaction and signing it with the private key using php and javascript
I have a full bitcoin core node setup and would like to use it to just "broadcast" my signed transactions. But what is required to make a raw transaction using PHP and Javascript? The variables I have ...
1
vote
0answers
39 views
Determining the byte size of multisig transaction beforehand knowing the details of the transaction [duplicate]
If I know the m of n values of the multisig, the # of inputs (all of which are from the multisig and require m signatures) and outputs and the redeem script, how can I determine the size of the ...
0
votes
1answer
22 views
Can I receive detailed tx data via command line using only a lightclient?
I recently tried to sync the Bitcoin blockchain, but my laptop does not have enough space on it. I want to be able to analyze UTXOs and raw transaction data.
Will a lightclient allow me to do this?
2
votes
1answer
49 views
ScriptSig Conversion in Python
I'm trying to convert a scriptsig into bytes so that I can better extract R & S values, but when I try and convert, I'm missing some of elements that should be there, like x30 for example.
...
0
votes
1answer
69 views
nSequence win OP_CSV in child tx must be equal to nSeq parent tx?
When I create OP_CSV transaction I need to set nSequence to the same number (in blocks)
e.g.
3 OP_CHECKSEQUENCEVERIFY
nSequence = 3
But when I trying to spend this tx (after 3 blocks confirmation)...
1
vote
1answer
307 views
Script evaluated without error but finished with a false/empty top stack element
I'm trying to spend coins from this tx
https://tchain.btc.com/ad7a1ed858eecdd146d9c932779aecae4b33f068d29cf794fad6de20f5a5d449
The scriptpubkey is simple:
1 OP_CHECKSEQUENCEVERIFY OP_DROP ...
1
vote
2answers
81 views
Error while send transaction: Data push larger than necessary
Looks like transaction decodes fine. But when I use sendrawtransaction I got
Data push larger than necessary
What's wrong with this tx?
bitcoin-cli -testnet decoderawtransaction ...
0
votes
1answer
46 views
Signature generation
I am trying to unwrap bitcoin transaction generation process.
A bit confused about signing part.
My understanding is the transaction is sha256'd, then sha256'd one more time, then ECDSA'd.
Based ...
0
votes
1answer
101 views
How to retrieve transactions in realtime from bitcoind .dat files
I want to get all the data from blocks as they get updated on my local node.
Abe offers very poor performance, and fast-dat-parser creates other .dat files and doesn't have enough documentation for me ...
1
vote
1answer
154 views
P2SH-P2WPKH - has always segwit UTXOs?
I've been reading a lot of docs on BTC transaction structure, and find it really confusing when it comes to SegWit story.
So, the very first thing is, if I've P2SH-P2WPKH address, does it mean that ...
1
vote
1answer
52 views
MultiSig address transaction high fee with no change
I was testing MultiSig transaction on testnet with raw transactions. I sent a transaction of 0.0012 from MultiSig 2-2 to a bitcoin address:
https://live.blockcypher.com/btc-testnet/tx/...
0
votes
1answer
92 views
How to add a signature to a transaction which I can broadcast
I am using ledger and multi sig to sign a transaction I got signature hash where both party signed the transaction. How can I attached this signature to the transaction so that I can broadcast it to ...
1
vote
1answer
178 views
Differentiating Output Script (scriptPubKey) Types
I am working on a little script to breakdown the data inside coinbase transactions. This is largely to improve my understanding of legacy and SegWit transactions (Given coinbase transactions have less ...
4
votes
3answers
212 views
How to extract addresses from input in raw transaction
I need help to get input addresses from "vin" in offline mode.
I don't know how https://live.blockcypher.com/btc/decodetx/ is doing it.
Example raw transaction:
txn id : ...
0
votes
1answer
157 views
Manage multiple users wallets for web wallet service
This already summaries the issue I'm currently trying to figure out to calculate the transaction fee to prevent negative balance.
(testnet) I tried using createrawtransaction answered.
When I tried ...
0
votes
1answer
92 views
Error when sending transaction: “Signature is found in scriptCode”
I'm trying to send transaction with scriptSig: OP_PUSHDATA<Sig> OP_PUSHDATA<Data1> OP_PUSHDATA<Data2> OP_PUSHDATA<Data3> OP_PUSHDATA<RedeemScript>
But I get error:
...
0
votes
1answer
35 views
What does postfic in the wallet transaction id mean
It's known the txid is always a 32 byte hex sequence for example ceca9c54d1a2f9122326a871a3b0b20b725540137e80cb50da663a404f7849a8, but when inpecting the transaction in a wallet it shows it with a ...
0
votes
1answer
118 views
Sending P2SH transaction with non-standard script
I'm trying to send transaction with script:
ScriptSig: OP_PUSHDATA<Sig> OP_PUSHDATA<Data1> OP_PUSHDATA<Data2> OP_PUSHDATA<Data3> OP_PUSHDATA<RedeemScript>
Since the ...
0
votes
1answer
81 views
Why the PUSHDATA is 65 in the first transaction in blk00000.dat?
https://www.blockchain.com/btc/tx/4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b?show_adv=true
The raw script is in the first transaction is:
...
0
votes
2answers
71 views
Is there any python library could be used to decodescript in output
For example decode the ScriptPubKey like
4104678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5fac
to some data like ...
0
votes
1answer
63 views
Cryptocurrency: check if transaction is viable masternode output
I'm developing a tool for masternode automization similar to https://gincoin.io .
I'm trying to figure out how to decode if transaction is viable for a masternode.
From what I know the ...
0
votes
1answer
112 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,
"...
0
votes
1answer
80 views
Bitcoin Pay-to-PubKeyHash (P2PKH) in multi-sig addresses
Can we send Pay-to-PubKeyHash (P2PKH) to an address which starts from 3 . I tried to send raw transaction to one of my coinbase address which starts from 3 but it send to completely different address ...
0
votes
1answer
123 views
how generate <sig> part of scriptSig in bitcoin transactions
I studied many links about bitcoin trxs and about generating scriptSig.
Finally I couldn't understand how to make this part.
for example I read this links:
What is relation between scriptSig and ...
5
votes
2answers
134 views
what's the point of “n” in “vout”? getrawtransaction
It seems like "n" is the index, is that true? If that is the case, why is the "n" key necessary?
Example:
bitcoin-cli getrawtransaction ...
0
votes
1answer
120 views
What's the best way to store unspent transaction?
AFAIK, To send a raw transaction, which include both input and output. And What if we run it on the local node, we can simply fetch the unspent list by run bitcoin-cli listunspent, but If I just want ...
1
vote
1answer
62 views
Raw transactions - SubtractFeeFromAmount flag
I'm currently working on a project (I'm a beginner in the world of cryptocurrencies) where we are using Raw Transactions, I want to know if in raw transactions there's a flag similar to ...
0
votes
0answers
66 views
Testnet address requested redeem script for sending transaction
I've received some testnet bitcoins to address Qhk53zCTTetiLaYeL2xM41QfjYJRxpQJF5. And tried to spent them with my usual python code that worked couple months ago on the main net:
tx = conn....
1
vote
2answers
279 views
Can not decode transaction. Script was manually verified successfull
I can not decode transaction in Bitcoin-QT.
The error is: TX decode failed (code -22). But blockexplorer site decode it.
Then I try to send transaction from blockcypher.com site, and the error is:
...
0
votes
1answer
583 views
Tether USDT raw transaction unsigned
I'm not using omnicore by RPC calls, I dont want to put a server up and make those RPC calls, I want to make a simple transaction on the TetherUS(USDT) network, this is my code:
const ...
0
votes
1answer
82 views
ScriptSig raw hex to sign raw tx
i have a p2sh address that is created using an uncompressed public key (from my ledger nano) and a compressed public key (bitcoincore wallet). It requires both signatures to send the funds. When i use ...
1
vote
2answers
135 views
Is the any workable testnet3 Bitcoin solution for creating, signing, broadcast a normal transaction using Golang?
Currently I'm trying to create, sign & broadcast bitcoin transaction using btcsuite. For start, I've already had testnet3 address & its associated privatekey for testing. However, hunting ...
0
votes
0answers
31 views
How do you find the signing message of a TxIn signature? [NOT a duplicate] [duplicate]
So I'm trying to find m in s = (m + r * x) / k of a Bitcoin transaction input.
Taking a look at this transaction, I can pull out s and r from the ScriptSig of an individual input:
30
45
02
21
...
1
vote
0answers
140 views
Multisig signrawtransaction fails
I have 3 private keys (a,b,c) which belong to an address (2 of 3) from which I want to spend funds using RPC commands.
I´ve started with generating the redeemScript using createmultisig() and the pub ...
0
votes
1answer
101 views
Error in creating bitcoin raw transaction
I am creating a raw transaction to send amount from from_address to to_address. While sending a transaction I got an error. I posted the detailed process of creating a raw transaction. Could anyone ...
2
votes
1answer
45 views
Can two signed transactions be merged into one?
I'm in a situation where I have a presigned transaction, which, due to a bug in software that generated it, has a fee lower than minimal relay fee. I have that transaction's hex, but it can't be ...
3
votes
2answers
773 views
16: bad-txns-vin-empty. Code:-26
I am trying to push a raw transaction via BTC insight API, but I always get an error message:
16: bad-txns-vin-empty. Code:-26
Here is the raw transaction hex:
...
2
votes
1answer
353 views
Send raw transaction (have tx_hex) on litecoin testnet using api or module
I have raw data (tx_hex) for raw transaction, but I cant send it to litecoin tesnet using post request to testnet.litecore.api. If I insert tx_hex manually in the browser, the transaction is correctly ...
