General purpose programming language.

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How can I remove the charity features in my Devcoin clone?

I'm trying to produce a SHA256 altcoin which is merge mined with Bitcoin. I'd like to use some recent code, rather than base in on a 0.8.* or earlier codebase. I've found this source: ...
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1answer
39 views

Decode blocks received and Store in another file for analyzing

I am working on a bitcoin research project. I want to decode receiving blocks from the block chain and store decoded data in a separate file for analyzing purposes. For this purpose I digs the ...
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1answer
113 views

We need help with Reddcoin C++ - 1 btc bounty for solution [closed]

We need some help with Reddcoin. We had a bug in our code, 2 lines were commented so the verification of block we’re not done properly. ...
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1answer
287 views

How to interact with bitcoind using C++?

I know that bitcoind is written in C++, but I cannot figure out how to use its API within my program. I have been using a Python wrapper effectively, but I need another process running that is as ...
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1answer
350 views

Simple GPU C++ mining

I'm trying to mine a genesis block for an experimental Peercoin clone. I've already written one using boost threads, and it's been really fun since this is the most processor intensive program I've ...
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1answer
133 views

In the sourcecode, what does this line mean that recovers the key from the signature?

I understand that the public key (Q) can be extracted from a signature (r,s), but I'm having trouble understanding this line: if (!key.Recover(hash, &vchSig[1], (vchSig[0] - 27) & ~4)) The ...
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1answer
468 views

Simple GPU miner with long pooling C++

I want to write own GPU miner, but I can't find any simple solution (cgminer and RPC miner are big projects with many useless to me functions). I need the sources of only one GPU miner with long ...
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2answers
606 views

Is there bitcoin algorithms flowcharts or any other diagrams available?

To make those who not familiar with C++ to understand the algorithms.
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3answers
1k views

Can I send message inside the transactions script?

I would like to send transactions with messages as described in the wiki. In Transaction with slightly changed script is never relayed, someone answered that non-standard transactions are not relaid ...
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1answer
163 views

What is main.cpp for in bitcoind? [closed]

What does the main.cpp source-code file do? I know what main.cpp files are for in general, but specifically in the case of bitcoin?