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81  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Datacoin - Censorship-Free Data Storage on: April 29, 2018, 01:49:00 AM
Downloaded 0.15.99.05 from https://yadi.sk/d/ghrCHoxA3Un8Cm

Installed 0.15.99.03 and 0.15.99.04 with no issues and on 0.15.99.05 this appear, any solution? I saw many references about this error, however, no solutions where mentioned.

Makefile:5765: recipe for target 'rpc/libdatacoin_server_a-blockchain.o' failed
make[2]: *** [rpc/libdatacoin_server_a-blockchain.o] Error 1
make[2]: Leaving directory '/root/datacoin/src'

Ubuntu 16.04 x64


Tnx,

H
82  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Datacoin - Censorship-Free Data Storage on: April 23, 2018, 08:15:45 PM
I need your response.

Have you noticed any errors and problems with 0.15.99 client?

Are transactions sent and received normally?

Are there any problems with data saving and restoring?

So far only positive feedback;

Quick installation on Ubuntu 16.04 x64 and Ubuntu 14.04 x64
Fast syncronization, took about 2 hours connected to 14 peers.

Send from Linux web wallet and received immediately, tested transactions up to 100 DTC
Send from Windows desktop wallet and received immediately, tested transactions up to 100 DTC

Send to Linux web wallet and received immediately, tested transactions up to 100 DTC
Send to Windows desktop wallet and received immediately, tested transactions up to 100 DTC

Imported and exported private keys between the differnent wallet versions with out any errors.

The signing and verification of messages is working correct.


Nice to have;

Build in block explorer
Build in rpc cookie authentication creator for rpcauth in the datacoin.conf file

Tnx,

H


83  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Datacoin - Censorship-Free Data Storage on: April 13, 2018, 01:20:48 PM
Compile issue:

CXX 
...
make: *** [all-recursive] Error 1


Hi,

I received the same error cross compiling compiling the client using;

Ubuntu 14.04  x64
16 CPU's
65536MB Memory

Tnx,

H
84  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][Datacoin - DTC]2017 New Clients, New Developers on: March 29, 2018, 10:18:09 PM


No one will help me

Is it safe we use online wallet?

I am mining With xpmclient v.10.2.2 Inside online wallet(datacoin online wallet). but in https://chainz.cryptoid.info/dtc I have problem.



As far as what I can see is that you do not have a problem - it is change sent back to the mining pool that you use - just follow the audit trail. The received amount on the address is not the final balance of the address that belong to you. The total amount that the address received was 1,911.91034194 DTC and 314.90616155 DTC was returned as change with the final balance of the address being 1,597.00418039 DTC - just follow the transaction hash (40eed....) to see how much DTC was paid to many addresses from the mining pool and what change was returned to the mining pool.

This is  most likely one of the reasons why you should not mine directly to any online wallet or exchange address - rather set a limit on your mining pool and then request a payout to your address so that the coins that you receive are not newly generated coins.

Anyone else that can explain this better - please do so.

Tnx

85  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][Datacoin - DTC]2017 New Clients, New Developers on: March 26, 2018, 03:50:45 PM

@mohsenp

Quote
I found, that exactly two hours later, the xpmclient(any version) closes. why?

I have found that the xpmclient closes due to an interruption in your internet access - either loss of connection or IP change from your ISP.

This issue was resolved once I have changed over from ADSL to Fibre Connection now having a static IP and no more lost connections.

H
86  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][Datacoin - DTC]2017 New Clients, New Developers on: March 23, 2018, 05:44:17 PM
Datacoin gets Satoshi Dice!

https://datadice.tk

NB:  I haven't bet yet, just noticed the service.

-extro

DataDice back in sync again Wink
87  Economy / Services / Re: [For Hire] Block explorer - Online webwallet - Mining Pool installation services on: March 23, 2018, 02:05:49 PM
Hi,

Are there any chance that you might take a look at your private messages and reply to my request?

H
88  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [KGC] The future is krugercoin and the future is now! [Official Launch] on: February 26, 2018, 09:54:24 AM
Hey there dead community Wink

I dont suppose anyone has a working windows wallet for me.

I am trying to resurect my Kruger wallet.

Thanks a stack!

Send you a PM
89  Economy / Services / Re: [For Hire] Block explorer - Online webwallet - Mining Pool installation services on: February 22, 2018, 12:57:41 PM
Hi radhwane,

I need an update on Source code, Windows Qt wallet and Linux Qt wallet for old coin

Send you a Pm me with some information

H
90  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][Datacoin - DTC]2017 New Clients, New Developers on: January 25, 2018, 02:14:17 PM
Can I use GeForce GTX GPUs to mine DTC ?

Is there a guide for miner or what kind of machine better to mine DTC?


Take a look at

https://bitcointalk.org/index.php?topic=602292.0
https://bitcointalk.org/index.php?topic=636017.0
https://bitcointalk.org/index.php?topic=598542.0

You could use the xpmclient to mine to the https://dtc.graymines.net/ pool

Solo mining is a bit more tricky - if you do solo mining, just remember to add host=127.0.0.1 to your datacoin.conf file in order for the xpmclient to find your local server.

One GeForce GTX 1060 6GB card should yield approximately 45 blocks per day or roughly anything between 350 - 450 DTC per day -> $150/month.

Anyway, post your results here when you are done.

91  Bitcoin / Project Development / Re: [coinb.in] Open Source, Multi Signature, HD Wallet and more! on: January 05, 2018, 03:01:27 PM

If you're developing an altcoin, asking this is unacceptable - you should know better!
The correct private key version is probably
Code:
0x9e
, according to the source code (address version + 128).

Ouch! quite a nasty remark - even the most educated was once an idiot!

To answer you on your statement, no I am not developing an altcoin, I am just interested in all the projects that I find interesting.

Anyway, I do appreciate you taking the time to reply to my question, I did however eventually found what I was looking for. Hopefully your reply will also be of some assistance to someone else in the future.

H.
92  Bitcoin / Project Development / Re: [coinb.in] Open Source, Multi Signature, HD Wallet and more! on: December 30, 2017, 01:45:06 AM
Hi,

I have used
Code:
coinjs.pub = 0x1E;
for my Address to start with D - DKo6y9Cfuwu8imVUz2MWbAeYXHtmgYkFFF the wallet that I use to verify the address confirm that the address is a valid address.

What should I replace
Code:
coinjs.priv = 0x80;
with in order for my Private key (WIF key) to start with the capital letter Q - the wallet return an invalid private key message

Tnx,

H.
93  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][Datacoin - DTC]2017 New Clients, New Developers on: December 23, 2017, 02:17:03 PM
QR code in Datacoin 0.8.6

I noticed the QR code in the Datacoin 0.8.6 wallet prepared by Chicago.  To be honest, I am a bit behind on the use of QR codes, but I understand you can do transactions by scanning the QR code or taking pictures with your smartphone. 

I am interested in working out a roadmap for Datacoin on the smartphone, and I suppoose the next thing we will have to do is put QR codes on www.datacoin.tk/wallet so that we could scan Datacoin phone to phone via the phone browser?  Crude, I know, but by using Firefox on the phone and the datacoin.tk wallet we would be able to scan Datacoin payments from phone to phone?

Hi,

Added a quick solution for generating QR codes to make deposits into the wallet. Let me know if there are any specific features that I could add and if possible provide me with a working example and I will see if I will be able to add it to the wallet.

Tnx,

H
94  Bitcoin / Project Development / Re: [coinb.in] Open Source, Multi Signature, HD Wallet and more! on: December 19, 2017, 04:30:13 PM
Apparently, the first version was 1.1 (It's possible that they didn't make a release on the GitHub before) which got released on March 2015.

Thank you, found what I was looking for.

H
95  Bitcoin / Project Development / Re: [coinb.in] Open Source, Multi Signature, HD Wallet and more! on: December 18, 2017, 07:01:10 PM
Hi,

Could anyone tell me the first version number for coinbin?

I can not find the progression of the versions in GitHub and need a prior version for another coin that I am involved with.

The previous version was wiped when I downloaded 1.3 and realised to late that the new version will not be compatible with the coin than I am involved with.

Thank you,

H
96  Bitcoin / Development & Technical Discussion / Re: How are bitcoin clients built? on: December 13, 2017, 03:41:12 AM
I know how Bitcoin works, but I am new to Bitcoin development. I want to develop a bitcoin client as a side project for learning purposes, and on reading I came across Bitcoin Core. My question is, are all the currently available wallets and clients built on top of the Bitcoin Core, or is there any other way of building them from scratch?

The answer that you are looking for is yes.

Setting up Bitcoin Core on your local server or remote server that will give you four executable files depending on your system used, it will be bitcoind, bitcoin-cli, bitcoin-tx, and bitcoin-qt and these are the executable files that your client use to interact with the bitcoin network. As an example, you need to create a bitcoin.conf file to accept JSON-RPC commands. Just take not e of the rpcauth cookie that is needed in the bitcoin.conf file if you do not want to be driven insane trying to find out why you cannot interact with the daemon.

H
97  Alternate cryptocurrencies / Altcoin Discussion / Re: How to Fork Bitcoin? on: December 13, 2017, 02:53:32 AM

Now you will need a Github account and Ubuntu 14.04 x64 to install and run the new Sonicoin Core: 0.15.1

Code:
#!/bin/bash

echo "Welcome to Ubuntu 14.04 x64 SoniCoin 0.15.0.1"

// Go to Github and create a Github account then upload SoniCoin 0.15.0.1

echo "Upgrade server."
sudo apt-get -y update
sudo apt-get -y upgrade
sudo apt-get -y autoremove
sudo apt-get -y install build-essential libtool autotools-dev automake pkg-config libssl-dev libevent-dev
sudo apt-get -y install bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev
sudo apt-get -y install libboost-program-options-dev libboost-test-dev libboost-thread-dev git
sudo apt-get -y install software-properties-common


echo "Create swap file."
dd if=/dev/zero of=/mnt/myswap.swap bs=M count=4000
mkswap /mnt/myswap.swap
swapon /mnt/myswap.swap
sed -i '$a /mnt/myswap.swap none swap sw 0 0' /etc/fstab

echo "Download Berkley4.8. do not change this to sonicoin"
sudo add-apt-repository -y ppa:bitcoin/bitcoin
sudo apt-get update
sudo apt-get -y install libdb4.8-dev libdb4.8++-dev

echo "Download SoniCoin 0.15.0.1"
git clone https://github.com/sonicoin/sonicoin
cd sonicoin
./autogen.sh
./configure
make
make install
cd

echo "Create conf file"
mkdir -p ~/.sonicoin
touch ~/.sonicoin/sonicoin.conf

# JSON-RPC options (for controlling a running Sonicoin/sonicoind process)

# server=1 tells Sonicoin-qt to accept JSON-RPC commands.
server=1

# You must set rpcuser and rpcpassword to secure the JSON-RPC api
rpcuser=rpcusername
rpcpassword=rpcpassword

# By default, only RPC connections from localhost are allowed.
rpcallowip=127.0.0.1

# Listen for RPC connections on this TCP port:
rpcport=<what ever you changed it to>

" > ~/.sonicoin/sonicoin.conf
sleep 3
clear

echo "Start server"
sonicoind -server -daemon
sleep 15
watch 'sonicoinn-cli getblockcount'




May the odds be in your favor!

H.
98  Alternate cryptocurrencies / Altcoin Discussion / Re: How to Fork Bitcoin? on: December 13, 2017, 02:33:14 AM

You will need Ubuntu 14.04 x64 to compile the latest stable version of Bitcoin Core: 0.15.1

Code:
//Cross Compile Windows Binaries For SoniCoin
//Ubuntu 14.04 x64
//CPU: 8 vCore
//RAM: 32768 MB

// Update and upgrade
sudo apt-get -y update; sudo apt-get -y upgrade
//reboot the server

// Install dependencies
sudo apt-get install -y autoconf automake autotools-dev build-essential curl g++-mingw-w64-i686 g++-mingw-w64-x86-64 git libboost-all-dev libevent-dev libprotobuf-dev libprotobuf-java libssl-dev libtool libqt5core5a libqt5dbus5 libqrencode-dev libqt5gui5 mingw-w64-i686-dev mingw-w64-x86-64-dev pkg-config protobuf-compiler qttools5-dev qttools5-dev-tools
//reboot the server

// Create working directory
mkdir github; cd github

//Download and install Berkeley DB 4.8
wget http://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz
tar xzvf db-4.8.30.NC.tar.gz
cd db-4.8.30.NC/build_unix/
../dist/configure --enable-cxx
make
sudo make install
sudo ln -s /usr/local/BerkeleyDB.4.8 /usr/include/db4.8
sudo ln -s /usr/include/db4.8/include/* /usr/include
sudo ln -s /usr/include/db4.8/lib/* /usr/lib

cd ~/github
git clone https://github.com/bitcoin/bitcoin
cd bitcoin
git checkout master

// Read the code and make your changes to the name, supply, mining reward etc.
// Change the name of the coin - SoniCoin and rename all bitcoin and Bitcoin entries to sonicoin and SoniCoin
// as well as, for example BTC - BTS, Btc - Bts, btc - bts, bitcoin-cli - sonicoin-cli, bitcoin-tx => sonicoin-tx
// bitcoin-qt => sonicoin-qt, and all references to Bitcoin, except for the copyright notices.

cd depends

make HOST=x86_64-w64-mingw32 -j4

cd ../src/secp256k1
libtoolize --force
aclocal
autoheader
automake --force-missing --add-missing
autoconf
./configure --prefix=$PWD/depends/x86_64-w64-mingw32
make HOST=x86_64-w64-mingw32 -j4

cd ../univalue
libtoolize --force
aclocal
autoheader
automake --force-missing --add-missing
autoconf
./configure --prefix=$PWD/depends/x86_64-w64-mingw32
make HOST=x86_64-w64-mingw32 -j4

cd ~/github/bitcoin/
nano build-aux/m4/bitcoin_find_bdb48.m4
Find the following line -> bdbdirlist="$bdbdirlist ${_pfx}db${_vn}"
Replace the line with -> bdbdirlist= "/github/db-4.8.30.NC/build_unix"

libtoolize --force
aclocal
autoheader
automake --force-missing --add-missing
autoconf
./configure --prefix=$PWD/depends/x86_64-w64-mingw32 --with-gui=qt5 --enable-tests=no --disable-gui-tests --disable-bench
make -k HOST=x86_64-w64-mingw32 -j4

make clean
make HOST=x86_64-w64-mingw32 -j4

//The compiled binaries:
/github/bitcoin/src/bitcoind.exe
/github/bitcoin/src/bitcoin-cli.exe
/github/bitcoin/src/bitcoin-tx.exe
/github/bitcoin/src/qt/bitcoin-qt.exe



That's it SoniCoin Core: 0.15.1 is born.

You should rather not proceed with the creation of this coin if you do not understand the information above and I would suggest that you read about the difference between cloning a coin and making it your own and creating a fork.

May the odds be in your favor!

H.
99  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][Datacoin - DTC]2017 New Clients, New Developers on: October 07, 2017, 10:15:40 AM
Hi Hamburger,

I should have been more specific in that I would like to use the rpc commands to access datacoind with PHP - have done it a long time ago with bitcoin and do not know if things have changed.

https://en.bitcoin.it/wiki/PHP_developer_intro may be a good pointer in the right direction.

Let us know if it works for you.

Best Regards,
-Chicago

It seems to me that I found my problem, however, I'll test it later to be sure.

From the original post;

Quote
Official code repository
https://github.com/foo1inge/datacoin - Primecoin fork with data in tx and corresponding RPC (not useful just now because nobody has money for fee).
https://github.com/foo1inge/datacoin-hp - Primecoin-hp fork with data in tx (and no RPC ... I'll port this later). You should use this for mining because it is faster.

I'll have to find the source that gjhiggins made available.

Tnx,

H
100  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN][Datacoin - DTC]2017 New Clients, New Developers on: October 05, 2017, 04:00:32 PM
Hi Hamburger,

I have just had a look at one of the nodes that I run and noticed that the money supply over the last week increased from about 2750000 to nearly 400000 and the blocks are solved at a rate of 15 per second - who could be mining at this rate and with what?

    Over here, the last three blocks looked like the following.

Code:
grep  SetBestChain /var/lib/datacoin/debug.log | tail -n 3
2017-10-05 00:54:30 SetBestChain: new best=6b8ca6e413ad535f4adfbf654cd602b4c03b07f0239ccc0cb1d137babcbd1368  height=2067186  difficulty=8.8249899 log2Work=20.316233  log2ChainWork=44.260878  tx=2359386  date=2017-10-05 00:51:08 progress=0.999941
2017-10-05 00:54:38 SetBestChain: new best=0b192dcb3b26a14ceaea1d0c6d930f53accebd397acc473bb4ab1a77ea183567  height=2067187  difficulty=8.8250101 log2Work=20.316373  log2ChainWork=44.260879  tx=2359387  date=2017-10-05 00:54:32 progress=0.999998
2017-10-05 00:56:47 SetBestChain: new best=6bb5c0d04d8ed7f45a8f432b77ed77512a6b05eb2a8087774735952b0a02495b  height=2067188  difficulty=8.8249269 log2Work=20.315794  log2ChainWork=44.260879  tx=2359388  date=2017-10-05 00:54:37 progress=0.999962

    What is the height of your copy of the blockchain and what hash do you have for block 2067188?

Code:
datacoind getblockhash 2067188
6bb5c0d04d8ed7f45a8f432b77ed77512a6b05eb2a8087774735952b0a02495b

Also, is there anyone that can help me to get a datacoin.conf file properly setup to get rpc commands working on Ubuntu

    Inside of your ~/.datacoin/datacoin.conf make certain you have a rpcuser= and rpcpassword= declaration in order to be able to make RPC.
    Using datacoind a simple 'datacoind getinfo' should just work after you've started datacoind with the rpcuser and rpcpassword specified.

Best Regards,
-Chicago

First problem solved
I do not know where I got the source code from for the datacoind that I have complied - it seems to use another block chain - anyway, there where ten connections, so it seems like I am not the only one that made that mistake.

Second problem

I should have been more specific in that I would like to use the rpc commands to access datacoind with PHP - have done it a long time ago with bitcoin and do not know if things have changed.

Tnx

H
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