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https://github.com/mhanne/bitcoin-ruby-node

bitcoin node based on bitcoin-ruby-blockchain
https://github.com/mhanne/bitcoin-ruby-node

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bitcoin node based on bitcoin-ruby-blockchain

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= Bitcoin-ruby-node



This is a bitcoin node based on bitcoin-ruby-blockchain[http://github.com/mhanne/bitcoin-ruby-blockchain],

that is capable of connecting to the bitcoin network, download and store the blockchain,

validate all the blocks and incoming transactions, and relay data to its peers.



It also has a separate {Bitcoin::Node::CommandHandler CommandHandler} socket that can be

used to query statistics, receive blockchain updates, relay transactions via the node, etc.



== Installation



We assume you already have a ruby 1.9 or 2.0 compatible interpreter and rubygems environment.



 gem install bitcoin-ruby-node

 bitcoin_node --help



Or add it to your Gemfile and



 require 'bitcoin/node'



== Usage



In the simplest case, just run the node and it will start downloading the bitcoin blockchain

into a sqlite database in +~/.bitcoin-ruby/bitcoin/blocks.db+.



 bitcoin_node



You can specify options (see +--help+) or pass a config file with +--config+.



Some common options you might want to use:



-n --network ::

  Network to use. Usually +bitcoin+.

  Support for +namecoin+ is also quite good.

  Use +testnet+ for development.



-c --config ::

  Read options from config file.



--connect ::

  List of peers to connect to.



-s --storage ::

  Storage backend to use. See also STORAGE.



--import ::

  Import blockchain in bitcoind/qt format from given directory.



--skip-validation::

  Skip validation of received blockchain data. Can be used to speed up import/sync when

  blockchain data is received from a trusted source.



--check-blocks ::

  Check consistency of the +count+ most recent blocks. Pass -1 to check all blocks.



-v --verbose::

  Display debug output.



-h --help::

  Display all available options.



It will take a long time to download/store the entire blockchain at first, so be patient ;)



== Import



If you already have a local blockchain DB created by bitcoind/-qt, you can speed up the initial import by loading it directly and skipping validation:



 bitcoin_node --import ~/.bitcoin/blocks --skip-validation



== Config Files [TODO]



All commands accept configuration, either via config file, or at the command line.



=== Locations



There are 3 default locations where configfiles are loaded from:



* /etc/bitcoin-ruby.yml

* ~/.bitcoin-ruby.yml

* ./bitcoin-ruby.yml



Files are loaded in order (if they exist) and override each others settings.



To specify a different config file use the +--config+ option.



=== Files



Inside a config file, you can put options for the different commands, separated

into categories.



 all:

   network: bitcoin

   storage: sequel::postgres:/bitcoin

   command: 127.0.0.1:1234

 blockchain:

   max:

     connect: 30

 wallet:

   keystore: "simple::file=keys.json"



Options in the +all+ category are loaded by every command, and are loaded first

(so command-specific options will override them).



Other categories are loaded by the corresponding command and may override options

from the +all+ category (ie. +bitcoin_wallet+ loads +all+ and +wallet+).



== Command socket



The node opens a separate command socket which you can connect to and query statistics

or get notified about new blocks/tx, etc. See below for a list of available commands.



For a list of commands, see {file:COMMANDS.rdoc} or {Bitcoin::Node::CommandHandler}.



=== CLI interface



The `bitcoin_node_cli` command can be used to interface with a running node, send it commands

and subscribe to notifications about new blocks/txs, etc.

The easiest way is to just call `bitcoin_node_cli` in the same way you started

`bitcoin_node`, but with extra command arguments:



 bitcoin_node_cli info

 bitcoin_node_cli -c config.yml info

 bitcoin_node_cli monitor "block tx"



=== CommandClient interface



If you are programming in an EventMachine context, you might find the

{Bitcoin::Node::CommandClient} convenient.



=== Raw socket



Of course you can also connect to the socket by any other means you like, just send

your commands as valid JSON, like:



 {"id": 0, "method": , "params": }



and you'll receive responses in the form:



 {"id": , "method": , "result": }



For example:



 $ echo -e '{"id": 1, "method": "tslb", "params": {}}\0' | nc 127.0.0.1 9999

 {"id":1,"method":"tslb","result":{"tslb":10}}



== Documentation



Always trying to improve, any help appreciated! If anything is unclear to you, let us know!



Documentation is generated using yardoc:



 rake doc



The specs are also a good place to see how things are supposed to work.



== Specs



The specs can be run with



 rake



or, if you want to run a single spec



 rspec spec/node/command_api_spec.rb



Coverage information is automatically generated and can be found in +coverage/+ after

the test run.



== Contributing



Any help or feedback is greatly appreciated! Just open an issue, submit a pull-request,

or come to #bitcoin-ruby on irc.freenode.net if you want to chat.



== License



This software is licensed under the terms of the MIT license. See {file:COPYING} for details.