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README.md

What is MachtCoin?

MachtCoin is an experimental new digital currency that enables instant payments to anyone, anywhere in the world. MachtCoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. MachtCoin Core is the name of open source software which enables the use of this currency.

For more information, as well as an immediately useable, binary version of the MachtCoin Core software, see https://www.machtcoin.co

Copyright (c) 2017-2018 MachtCoin Developers

Specifications

  • Algorithm : Scrypt
  • Coin Symbol : MCH
  • Max Supply : 36.000.000
  • Coin Maturity : 10 blocks
  • Confirmation : 6 confirmations
  • Block Spacing : 1 minute
  • POS reward : 18% Annually
  • Min. Stake Age : 24 hours
  • RPC port : 11332
  • P2P port : 11333

Media

License

MachtCoin Core is released under the terms of the MIT license. See COPYING for more information or see http://opensource.org/licenses/MIT.

Development process

Developers work in their own trees, then submit pull requests when they think their feature or bug fix is ready.

If it is a simple/trivial/non-controversial change, then one of the MachtCoin development team members simply pulls it.

If it is a more complicated or potentially controversial change, then the patch submitter will be asked to start a discussion

The patch will be accepted if there is broad consensus that it is a good thing. Developers should expect to rework and resubmit patches if the code doesn't match the project's coding conventions (see doc/coding.txt) or are controversial.

Testing

Testing and code review is the bottleneck for development; we get more pull requests than we can review and test. Please be patient and help out, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check

Every pull request is built for both Windows and Linux on a dedicated server, and unit and sanity tests are automatically run. The binaries produced may be used for manual QA testing

Manual Quality Assurance (QA) Testing

Large changes should have a test plan, and should be tested by somebody other than the developer who wrote the code.

Development tips and tricks

compiling for debugging

Run configure with the --enable-debug option, then make. Or run configure with CXXFLAGS="-g -ggdb -O0" or whatever debug flags you need.

debug.log

If the code is behaving strangely, take a look in the debug.log file in the data directory; error and debugging message are written there.

The -debug=... command-line option controls debugging; running with just -debug will turn on all categories (and give you a very large debug.log file).

The Qt code routes qDebug() output to debug.log under category "qt": run with -debug=qt to see it.

testnet and regtest modes

Run with the -testnet option to run with "play machtcoin" on the test network, if you are testing multi-machine code that needs to operate across the internet.

If you are testing something that can run on one machine, run with the -regtest option. In regression test mode blocks can be created on-demand; see qa/rpc-tests/ for tests that run in -regest mode.

DEBUG_LOCKORDER

MachtCoin Core is a multithreaded application, and deadlocks or other multithreading bugs can be very difficult to track down. Compiling with -DDEBUG_LOCKORDER (configure CXXFLAGS="-DDEBUG_LOCKORDER -g") inserts run-time checks to keep track of what locks are held, and adds warning to the debug.log file if inconsistencies are detected.