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Author Topic: How to publish a transaction after constructed?  (Read 1279 times)
BitPiggy
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February 11, 2012, 08:57:13 AM
 #1

Hi,

I am using one of the bitcoin Ruby libraries out there (https://github.com/lian/bitcoin-ruby) and I can use it to construct a valid transaction, and get the raw data thereof. I want to then publish that transaction to the bitcoin network.

Are there any scripts or tools that can run on a server to publish an arbitrary valid transaction? Does someone offer a service to do as much?

In other words, imagine I had created the following transaction (I just grabbed it from blockexplorer.com), how do I go about publishing it to other bitcoin nodes?

{
  "hash":"a3ac439de09be35adaf9849e37b497c19b23f1f8d832b0a84902f7b0044ed531",
  "ver":1,
  "vin_sz":1,
  "vout_sz":2,
  "lock_time":0,
  "size":259,
  "in":[
    {
      "prev_out":{
        "hash":"3e62a213b7706b14346a710f2a0b95cbf58ebaec6f76286d29526ac8058c171a",
        "n":0
      },
      "scriptSig":"3046022100e0999e9fe9c7b4736fd5dd8907b29b35b0816b8b3103f5b17a8a25eb81d8e8a002210 08090d5f89529667dcdaf1a8bef995ceca30a2e3da4b6c0771325c0dddece45bb01 04ae3bbf874401fdef5001c91a7d6668df16b4517b14e8ede95cef45223496dea7e4fd776083fef 941664417924424891e55a4f77973062d982c644987d3b5936b"
    }
  ],
  "out":[
    {
      "value":"380.00980000",
      "scriptPubKey":"OP_DUP OP_HASH160 34896b26f47edae1ad757ccc7ec248c9aafa3a1b OP_EQUALVERIFY OP_CHECKSIG"
    },
    {
      "value":"49.99020000",
      "scriptPubKey":"OP_DUP OP_HASH160 a2483d6845de9892fb9bf57924b32f6698f1d0f1 OP_EQUALVERIFY OP_CHECKSIG"
    }
  ]
}


Note: I've been told the Ruby library above can do it, but I don't know much about building services that connect to other computers and send data back and forth, and so even after looking at the code I don't understand what I'm supposed to do.

Any help would be greatly appreciated.

Cheers,
~Mat

http://BitPiggy.com: Australian Dollars (AUD) to BitCoin exchange
@bitpiggy

Me: Ruby on Rails developer, 12+ years programming experience.
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Even if you use Bitcoin through Tor, the way transactions are handled by the network makes anonymity difficult to achieve. Do not expect your transactions to be anonymous unless you really know what you're doing.
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BitPiggy
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February 11, 2012, 10:46:44 PM
 #2

Take a look at the subvertx command line tools.

Cheers, I came across subvertx last night, and have been trying to get it to compile on my mac. Hmm, the tools set looks perfect. I'll figure it out for Ubuntu first I guess, and worry about getting it working on my dev machine later.

Thanks again,
~Mat

http://BitPiggy.com: Australian Dollars (AUD) to BitCoin exchange
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Me: Ruby on Rails developer, 12+ years programming experience.
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February 11, 2012, 10:58:01 PM
 #3

http://bitsend.rowit.co.uk/

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February 12, 2012, 12:44:30 AM
 #4

Yep, I've seen http://bitsend.rowit.co.uk/.

I was going to say I can't ask my users to copy-paste transactions into that site, but then I realized I can just do a POST to the form.

I think I'll just do that for now. Hopefully rowit.com won't mind if I send a bunch of data their way!

Cheers,
~Mat




http://BitPiggy.com: Australian Dollars (AUD) to BitCoin exchange
@bitpiggy

Me: Ruby on Rails developer, 12+ years programming experience.
@matholroyd, http://www.linkedin.com/in/matholroyd
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