General purpose programming language.

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1answer
100 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. ...
0
votes
1answer
156 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 ...
1
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1answer
303 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 ...
1
vote
1answer
123 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 ...
0
votes
1answer
449 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 ...
4
votes
2answers
570 views

Is there bitcoin algorithms flowcharts or any other diagrams available?

To make those who not familiar with C++ to understand the algorithms.
4
votes
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 ...
1
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1answer
138 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?