General purpose programming language.

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29 views

How I can verify a Transaction in my new alt coin?

I have created a new coin and all the coins are premined. But when I transfer some coin to other wallet, it shows as "Pending Balance" with 0/unconfirmed. I want to verify my transaction. How can I do ...
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0answers
34 views

Transactions aren't confirming in my new altcoin

I have created a new altcoin which already mined. When I send some coins to another wallet, it's deducted from my wallet, but the transaction never confirms. It says: 0/unconfirmed transaction So ...
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0answers
20 views

Bitcoin-qt doesn't get a server connection?

I have created a new altcoin, and I run a server on one machine and connect bitcoin-qt on another machine. In this case it's blink the network connection, sometimes it shows one connection and after ...
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0answers
38 views

Condition false while Mining Bitcoin Coins?

When I tried to Mine a Coin by using Premine-Coin source code in BitcoinMiner() in main.cpp, My one condition is always false, I didn't know what is issue, because it working with Premine-coin ...
-1
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0answers
28 views

hListenSocket is always INVALID_SOCKET

hListenSocket is always INVALID_SOCKET in the below code listing. I want to fill the vNodes vector value to be filled with address. net.cpp, Bitcoin 0.9.0: BOOST_FOREACH(SOCKET hListenSocket, ...
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2answers
74 views

How to premine our coins in my altcoin?

I want to premine our coin, but I'm not able to understand which function from which file actually generate coin. So if you know than let me know so, I can understand that code and implement my own ...
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1answer
35 views

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
44 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
121 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
343 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
363 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
140 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
486 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
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2answers
627 views

Is there bitcoin algorithms flowcharts or any other diagrams available?

To make those who not familiar with C++ to understand the algorithms.
5
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3answers
2k 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
vote
1answer
172 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?