Questions tagged [transactions]

This tag should be used for questions related to transactions. Transactions are signed messages regarding the transfer or generation of bitcoins. They are broadcast throughout the Bitcoin network and, if accepted, integrated in the blockchain.

Filter by
Sorted by
Tagged with
0
votes
1answer
39 views

Buy Order to Exchange

I am looking for a tool with which to place a purchase order which is higher than the current price. As an an example. Wallet Exchange: $ 100 Course NEO: 50 dollars Order: Buy at $ 54 Does anyone ...
0
votes
1answer
441 views

Using CoreBitcoin in Swift to create raw transaction

I am new to coding, and only know swift, obj-C is still foreign to me. I have a functioning wallet but for now am relying on BlockCypher API to build a transaction which I do NOT want to do. Can ...
0
votes
1answer
2k views

How to send bitcoins without the bitcoin client in PHP

Is there a way to send bitcoins programmatically without the bitcoin client using PHP?
0
votes
2answers
4k views

Simple Address check via API

So I have a wallet with thousands of addresses, I want to know how can I check the blockchain whether or not a transaction has been made to one(or another) of the addresses?
0
votes
1answer
115 views

Filter transactions by time on a given address

Is there an API that will list all transactions made on a given wallet address with the ability to filter by date? I prefer nodejs, but open to other suggestions.
2
votes
1answer
188 views

Format transactions into “from”, “to”, “value” and “cost”

I'm trying to write a script that parses the entire blockchain into a database. But I'm having issues figuring out how to store what I need to then aggregate the results and build a transaction list ...
0
votes
1answer
174 views

Pending Unconfirmed Transaction for 5 days

I have been waiting on this transaction to confirm since July 16th when I made it. I have no idea as to why this transaction is not being fulfilled. Here is the blockchain of the transaction. https://...
1
vote
1answer
128 views

Can replay transactions effect both chains? or just the minority hard fork chain?

Can a seg2x transaction be replayed on the main bitcoin CORE chain? I was reading that only the minority hard fork would need replay protection and that coins on the main majority chain would be ...
3
votes
3answers
1k views

Get transaction that spent a transaction id

The blockchain.info API allows for querying information about a particular Transaction by its ID. But if you want to follow the coins to the next transaction, I'm not seeing what the next query should ...
1
vote
0answers
3k views

Same identical R value of all transaction not provide corresponding privatekey

ECDSA Signature and the “z” value from above link learn calculation of z value and to get private key https://blockchain.info/tx/9ec4bc49e828d924af1d1029cacf709431abbde46d59554b62bc270e3b29c4b1 ...
0
votes
2answers
324 views

Is there any python library could be used to decodescript in output

For example decode the ScriptPubKey like 4104678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5fac to some data like ...
1
vote
1answer
19 views

Transaction parsing - Satoshi value

how exactly is the satoshi value in a raw transaction calculated to decimal? Because on blockchain.info, I cannot figure out how they parse the raw transaction from that value to the JSON result. I ...
0
votes
1answer
62 views

I sent bitcoin and put low tx fee (4sat/b). Unconfirmed for 3 days. Can it be forever? [duplicate]

I just want to withdraw bitcoin and put a low fee. It's been 3 days and nothing happened with it - Unconfirmed. So, can it be forever? Or how much time it may take to be confirmed? Or what should I do ...
0
votes
2answers
64 views

Person did not receive the amount of bitcoin I sent

I sent $4300 in bitcoin to my friend and he only received $415. I'm so upset because I lost over $3500. Is there any way to get this corrected?
0
votes
0answers
20 views

I made a transaction 7 hours ago, the transfer has not yet arrived. I didn’t know that it’s impossible to choose a low commissio [duplicate]

Good afternoon, I made a transaction 7 hours ago,0.0059 BTC, commission 0.0002 the transfer has not yet arrived. I didn’t know that it’s impossible to choose a low commission, because I did it for ...
0
votes
1answer
542 views

Watch only address not update balance

After adding watch only address to my bitcoin core and perform some transaction that make my watch only address balance to 0, but when i run getbalance and listaccount with watch only is true, my ...
0
votes
1answer
60 views

gettransaction cannot get address where it send from

Hi i have test few time with gettransaction method, it seem only show full detail about transaction when send inside node. But if i send from another address outside my node, gettransaction only show ...
1
vote
1answer
121 views

From LND Bitcoin Wallet to Bitcoin Wallet

Let's say I have some Sats on Zap Desktop wallet. Is it possible to transfer the Sats out of the Zap Desktop Wallet to for example MyCelium?
0
votes
1answer
101 views

How would you recommend parsing a private bitcoin core node with nodeJS?

I just need to parse a private node and lookup one bitcoin address and get all transactions going in or out of the address preferably using nodeJS within the last 200 or so blocks. Any recommendations?...
7
votes
2answers
1k views

Why is the change address for a transaction the same as the originator address?

I was under the impression that if address abc has 100 BTC assigned to it, and it pays address def 20 BTC, 80 BTC will be transferred from abc to a new address ghi. But in this transaction: https://...
1
vote
1answer
512 views

False error notifcation (double spent) 'code' => -4, 'message'

Now and than I seem to get a consistent false error notification. Error message: Request error: array ( 'code' => -4, 'message' => 'Error: The transaction was rejected! This might happen if some ...
0
votes
1answer
119 views

Get input address using VIN txid?

I have written following script to get Vin address from Vin txids. #!/usr/bin/python # -*- coding: utf-8 -*- import requests,json url="http://asd:asdf@localhost:2332" payload={} payload = {"jsonrpc":...
3
votes
1answer
5k views

manually signing bitcoin transaction

I'm trying to create a BTC transaction with one input and two outputs, one for change and one OP_RETURN to anchor data. And I'm doing all of that on my regtest backend. The raw unsigned transaction is ...
3
votes
1answer
1k views

Building Signed Bitcoin Transaction in Java

I have been attempting to build my own raw transaction generator in Java which I can then broadcast on the testnet network. The problem is when I attempt to broadcast the transaction it says there is ...
0
votes
1answer
127 views

Sync bitcoin transaction status to local database

I am sending bitcoin transaction in node js via bitcore-lib and bitcore-explorers. I realized that when i call the function .broadcast to send the transaction to network and returns value, it means ...
0
votes
1answer
2k views

How to send Bitcoin in the Testnet?

I'm using this library: https://github.com/lian/bitcoin-ruby And here's my code: require 'open-uri' require 'net/http' require 'net/https' require 'json' require 'bitcoin' Bitcoin.network = :...
1
vote
2answers
271 views

GDAX 64+bitcoin transactions

I've been watching GDAX for several months and I see repeating offers to sell 64 + bitcoins (not 65 or 63). This seems very strange as it's an unusually large quantity and is repeated several times a ...
3
votes
3answers
845 views

Will Lightning Network still require a confirmation from the network?

I have studies the Lightning Network, and although I understand the concept, I have not understood the following: Let's assume that a network channel is opened between parties and all transactions ...
0
votes
1answer
403 views

Litecoin - mandatory-script-verify-flag-failed (Signature must be zero for failed CHECK(MULTI)SIG operation)

I have manually a raw transaction using bit library in order to send a transaction using Litecoin testnet. After adjusting fee's and other network variables I got the following error that is stated in ...
2
votes
1answer
223 views

Manually checking for credited bitcoins

If I have the bitcoin address, the private key and a transaction ID from Bitcoin (regtest mode) in shell variables, what Python code do I need to run to claim the Bitcoins are indeed intended for this ...
1
vote
1answer
155 views

How to specify the right input and output to be signed for SIGHASH_SINGLE

For my understand, when building a new TX, need to produce a new scriptSig for the TX; and need add a sigHash code at the end of the TX. If the sighash type is SIGHASH_SINGLE, for a TX with multiple ...
0
votes
1answer
71 views

How to create an application which constructs a transaction using `bcoin` (javascript)?

I am new to development. I am working on a project and I am trying to use bcoin. I want to create an application which has a UI, where the user will be asked to enter Destination address and amount. ...
1
vote
1answer
32 views

Processed withdrawal not reflecting in my blockchain wallet

Given below are the transaction details for the transaction which is not reflecting in my blockchain wallet, Transaction batch :f28888630e090d083ce2be5658f526b148d3e8259a33bbcfa58063cc13e8a4c0 ...
0
votes
1answer
643 views

Blockchain.info and fetching transactions for a address between dates

I'm trying to fetch transactions for a certain bitcoin address, but I only need to fetch transactions within a specific date range. Now, I had a look at the blockchain.info api and it seems like the ...
25
votes
4answers
38k views

What is a double spend?

What is a double spend? As someone who uses Bitcoin, what do I need to know about how the Bitcoin system prevents double spends? Are there still circumstances where they can occur?
2
votes
1answer
448 views

How do hardware wallets communicate with the outside world?

Hardware wallet has more security than software wallet because they store private key in offline hardware, which online attackers cannot access. Thus, they sign in the hardware and then send the ...
1
vote
1answer
68 views

UAHF implementing sighash, specifically, how are scriptCodes serialized? [closed]

I have managed to get correct sighashes for situations in which there are no OP_CODESEPARATOR ops in the code. However, I cannot figure out, based on the UAHF documentation nor on the C++ code in the ...
1
vote
1answer
43 views

What happens if I buy BTC from an ATM, but the transaction never confirms?

I bought bitcoin through the atm machine, it was sent to me but is yet to be confirmed over 52hrs.. if the transactions later disappeared from the mempool / blockchain, how will the sender get back ...
3
votes
1answer
378 views

Detecting stolen bitcoins?

Is it possible to detect stolen bitcoins? With so many coins being stolen these days, for the more "ethically conscious" bitcoin users, is it somehow possible to check if the coins (you're about to ...
11
votes
2answers
7k views

How automatically to forward bitcoins from one address to another?

I have a bitcoin wallet address (the private key is known by other people). I periodically receive payment on this address (and cannot change it/receive to other address). I need: When I receive a ...
0
votes
0answers
83 views

Abandon transaction in Bitcoin Core with -zapwallettxes (transaction isn't online in mempool yet)

EDIT: I have found another solution for my problem. I've started Bitcoin Core with my wallet.dat backup, which I have saved before doing the transaction. If I am right and Bitcoin Core hadn't send the ...
1
vote
2answers
360 views

How to create a simple lightweight wallet (without mining) for an Altcoin [closed]

I am trying to create a wallet using electrum for an altcoin that uses the Scrypt algorithm. I am looking around for tutorials that can show a step by step process on how to create a simple wallet for ...
0
votes
2answers
2k views

BTC confirmed however funds not received

I would really appreciate if someone could help me with my problem. I recently sold some coins to an exchange and then wish to have few bitcoins i.e. 0.01627139, transferred to my wallet which never ...
1
vote
1answer
42 views

transaction (s) not going through due to low fees selected [duplicate]

I'm having a problem with a bitcoin transaction (not through btcpay, but i don't know where else to turn to). I sent 0.06btc from my wallet to my father (20 hours ago), and stupid as i am, decided to ...
0
votes
1answer
207 views

Do I have to know all my private keys for sending a “big” amount?

As I understood it: My client creates a public key (for recieving) and a private key (for accessing) for each transaction. And the private key is here that I can send the BTCs I recieved (for all ...
1
vote
2answers
878 views

How to display a list of incoming bitcoin Transaction history in my own wallet?

I have gone through various references including How to get a history of incoming and outgoing transactions for a certain address? Fetch list of transaction where i have received the bitcoin? I am ...
2
votes
3answers
95 views

Is there a way to see the precise time of when a transaction was sent out?

I'm a developer. I'm not really knowledgeable in bitcoin development, yet. Say, I'm using Electrum wallet. I share an address with someone. The thing is that I need this someone to pay a certain ...
-1
votes
3answers
40 views

How to deal with situations when the buyer tries to gain the system? (online shop with price in fiat, BTC payments also possible)

I'm a developer. I have a custom online store, with code I wrote myself, where I sell products in fiat money. I plan to introduce payments in bitcoin. Issue: the customer may try to gain the system by ...
0
votes
0answers
43 views

My unconfirmed BTC transaction on blockchain just disappeared [duplicate]

I had an unconfirmed BTC transaction on blockchain.com for about 2 days plus and now I log in and there's no transaction again. I checked blockchain.info using the hash; all wiped nothing is showing, ...
4
votes
1answer
392 views

Maximum number of inputs per transaction

In theory, what is the maximum number of inputs per transaction? Is it defined primarily by the maximum number we can store on the 9 byte varint? How big of a number can be stored on 9 bytes? Would ...

1 2 3
4
5
57