Class: Silkroad::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/silkroad/client.rb

Defined Under Namespace

Classes: Error

Constant Summary collapse

DEFAULT_RPC_PORT = 
8332
TESTNET_RPC_PORT = 
18332
JSONRPC_VERSION = 
'2.0'

Instance Method Summary collapse

Constructor Details

#initialize(user, pass, opts = {}) ⇒ Client

Returns a new instance of Client.



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# File 'lib/silkroad/client.rb', line 9

def initialize(user, pass, opts={})
  @user        = user
  @opts        = opts
  @uri         = URI.parse @opts[:url] || "http://localhost:#{DEFAULT_RPC_PORT}"
  @uri.port    = DEFAULT_RPC_PORT if @opts[:url].nil? || !@opts[:url].match(/:80/)
  @user        = user
  @pass        = pass
end

Instance Method Details

#batch(requests = nil, &block) ⇒ Object 



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# File 'lib/silkroad/client.rb', line 18

def batch(requests=nil, &block)
  requests ||= Batch.new(&block).requests
  requests.each {|r| r[:jsonrpc] = JSONRPC_VERSION unless r[:jsonrpc]}
  JSON.parse send(requests).body
end

#inspect ⇒ Object 



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# File 'lib/silkroad/client.rb', line 55

def inspect
  "#<#{self.class} user=\"#{@user}\" @uri=\"#{@uri.to_s}\">"
end

#rpc(meth, *params) ⇒ Object 



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# File 'lib/silkroad/client.rb', line 24

def rpc(meth, *params)
  response = send jsonrpc: JSONRPC_VERSION, method: meth, params: params

  if response.code != '200'
    if response.body.nil?
      raise Error.new "bitcoind returned HTTP status #{response.status} with no body: #{response.http_header.reason_phrase}"
    else
      response_obj = JSON.parse response.body
      raise Error.new "bitcoind returned error code #{response_obj['error']['code']}: #{response_obj['error']['message']}"
    end
  else
    JSON.parse(response.body)['result']
  end
end

#send(formdata) ⇒ Object 



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# File 'lib/silkroad/client.rb', line 39

def send(formdata)
  resp = Net::HTTP.start(@uri.host, @uri.port) do |http|
    req = Net::HTTP::Post.new '/'
    req.basic_auth @user, @pass
    req.add_field 'Content-Type', 'application/json'
    req.use_ssl = true if @uri.scheme == 'https'
    req.body = formdata.to_json
    http.request req
  end

  if resp.code == '403' && resp.body.empty?
    raise Error, '403 Forbidden - check your user/pass and/or uri, and ensure IP is whitelisted for remote connections'
  end
  resp
end