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 Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(uri, opts = {}) ⇒ Client

Returns a new instance of Client.

Raises:



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# File 'lib/silkroad/client.rb', line 10

def initialize(uri, opts={})
  @opts = opts
  @uri = URI uri
  raise Error, 'user and password required' unless @uri.user && @uri.password
  @uri.port = DEFAULT_RPC_PORT if @uri.port.nil? || (@uri.port == 80 && !uri.match(/:80/))
end

Instance Attribute Details

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/silkroad/client.rb', line 4

def uri
  @uri
end

Instance Method Details

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



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# File 'lib/silkroad/client.rb', line 17

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 56

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 23

def rpc(meth, *params)
  response = send jsonrpc: JSONRPC_VERSION, method: meth, params: params, id: 1

  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 38

def send(formdata)
  http = Net::HTTP.new(@uri.host, @uri.port)
  http.use_ssl = true if @uri.scheme == 'https'

  resp = http.start do
    req = Net::HTTP::Post.new '/'
    req.basic_auth @uri.user, @uri.password
    req.add_field 'Content-Type', 'application/json'
    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