Questions tagged [raw-transaction]

This tag should be used for questions related to raw transactions, bitcoin transactions that have been serialized for network transmission.

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4
votes
1answer
1k views

Code sample to sign a transaction

I have the 32-bytes double hash of a transaction, a 32-bytes private key, and I would like to sign the hash using the private key. How do I do that using BouncyCastle (or anything, really), in C# or ...
3
votes
2answers
1k views

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 ...
3
votes
2answers
308 views

sendrawtransaction creates hash but does not propogate to the network

I'm on testnet, I've created a raw tx and I'm using bitcoind. I've confirmed that the hex is formed correctly and signrawtransaction returns complete:true. After I've run bitcoind sendrawtransaction ...
3
votes
1answer
854 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 ...
4
votes
2answers
2k views

Are timestamps in transactions trustable?

I need to properly segment transactions by time. Are timestamps in transactions trustable? Can these be forged? I'm not sure if transaction timestamps are part of the protocol, but I'm particularly ...
-1
votes
1answer
264 views

What does the text strange or nonstandard type mean in the output of a transaction?

I am trying to learn bitcoin by writing a script that finds a balance of a set of addresses by scanning all raw transactions. In the following link, the output at index 1 has no address and is ...
1
vote
0answers
3k views

C# - JSON-RPC - How to build the json object before serialization (createrawtransaction)

I am trying to build a C# application working on JSON-RPC with Bitcoin-qt (server mode). I am using Bitsharp, though I don't think this should matter at all. First off the InvokeMethod: ...
3
votes
1answer
4k views

How exactly can I generate a transaction id?

I'd like to create a transaction object from scratch. I've read that the tx id for a transaction is the double SHA-256 hash of a serialized transaction, but havent been able to find details on exactly ...
6
votes
2answers
5k views

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 ...
4
votes
1answer
2k views

How are transaction fees calculated in raw-transactions?

So, after understanding how to create and send raw transactions on the basis of 'How to send from many bitcoin addresses to one bitcoin address?', in practice I still struggle with transaction fees. ...
3
votes
1answer
713 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 ...
8
votes
4answers
3k views

Is there a user-friendly tool for creating and signing raw transactions?

The title stands for itself. The only tool for doing so I know of is the bitcoind daemon, but it is for from user-friendly. A web-tool in JS would be ideal or a simple CLI tool with clear ...
3
votes
1answer
2k views

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?
9
votes
3answers
2k views

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 ...