class CryptoconditionsRuby::Fulfillment

Constants

FEATURE_BITMASK
REGEX
TYPE_ID

Public Class Methods

from_binary(reader) click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 40
def self.from_binary(reader)
  reader = Utils::Reader.from_source(reader)

  cls_type = reader.read_uint16
  cls = TypeRegistry.get_class_from_type_id(cls_type)

  fulfillment = cls.new
  payload_length = reader.read_length_prefix
  fulfillment.parse_payload(reader, payload_length)
  fulfillment
end
from_dict(data) click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 52
def self.from_dict(data)
  cls_type = data['type_id']
  cls = TypeRegistry.get_class_from_type_id(cls_type)
  fulfillment = cls.new
  fulfillment.parse_dict(data)
  fulfillment
end
from_uri(serialized_fulfillment) click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 13
def self.from_uri(serialized_fulfillment)
  return serialized_fulfillment if serialized_fulfillment.is_a?(Fulfillment)

  unless serialized_fulfillment.is_a?(String)
    raise TypeError, 'Serialized fulfillment must be a string'
  end

  pieces = serialized_fulfillment.split(':', -1)

  unless pieces.first == 'cf'
    raise TypeError, 'Serialized fulfillment must start with "cf:"'
  end

  unless serialized_fulfillment.match(Fulfillment::REGEX)
    raise TypeError, 'Invalid fulfillment format'
  end

  type_id = pieces[1].to_i(16)
  payload = Base64.urlsafe_decode64(base64_add_padding(pieces[2]))

  cls = TypeRegistry.get_class_from_type_id(type_id)
  fulfillment = cls.new

  fulfillment.parse_payload(Utils::Reader.from_source(payload), payload.length)
  fulfillment
end

Public Instance Methods

calculate_max_fulfillment_length() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 89
def calculate_max_fulfillment_length
  predictor = Utils::Predictor.new
  write_payload(predictor)
  predictor.size
end
condition() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 68
def condition
  condition = Condition.new
  condition.type_id = type_id
  condition.bitmask = bitmask
  condition.hash = generate_hash
  condition.max_fulfillment_length = calculate_max_fulfillment_length
  condition
end
condition_binary() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 81
def condition_binary
  condition.serialize_binary
end
condition_uri() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 77
def condition_uri
  condition.serialize_uri
end
generate_hash() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 85
def generate_hash
  raise 'Implement me'
end
parse_dict(_data) click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 130
def parse_dict(_data)
  raise 'Implement me'
end
parse_payload(_reader, *_args) click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 122
def parse_payload(_reader, *_args)
  raise 'Implement me'
end
serialize_binary() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 105
def serialize_binary
  writer = Utils::Writer.new
  writer.write_uint16(type_id)
  writer.write_var_octet_string(serialize_payload)
  writer.buffer
end
serialize_payload() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 112
def serialize_payload
  writer = Utils::Writer.new
  write_payload(writer)
  writer.buffer
end
serialize_uri() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 95
def serialize_uri
  format(
    'cf:%x:%s',
    type_id,
    base64_remove_padding(
      Base64.urlsafe_encode64(serialize_payload)
    )
  )
end
to_dict() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 126
def to_dict
  raise 'Implement me'
end
type_id() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 60
def type_id
  self.class::TYPE_ID
end
validate(**_kwargs) click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 134
def validate(**_kwargs)
  raise 'Implement me'
end
write_payload(_writer) click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 118
def write_payload(_writer)
  raise 'Implement me'
end

Private Instance Methods

bitmask() click to toggle source
# File lib/cryptoconditions_ruby/fulfillment.rb, line 64
def bitmask
  self.class::FEATURE_BITMASK
end