class DbchainClient::Reader

Constants

QueryRoot

Public Class Methods

new(base_url, private_key, address=nil) click to toggle source
# File lib/dbchain_client/reader.rb, line 8
def initialize(base_url, private_key, address=nil)
  @rest_lib = DbchainClient::RestLib.new(base_url)

  if private_key.instance_of? String
    @private_key = PrivateKey.new(private_key)
  else
    @private_key = private_key
  end

  @public_key = @private_key.public_key
  @from_address = address || @public_key.address
end

Public Instance Methods

generate_access_code(time=nil) click to toggle source
# File lib/dbchain_client/reader.rb, line 37
def generate_access_code(time=nil)
  encoded_public_key = Base58.encode_bin(@public_key.to_raw)
  time ||= (Time.now.to_f * 1000).to_i.to_s
  signature = @private_key.sign(time)
  encoded_signature = Base58.encode_bin(signature.compact)
  "#{encoded_public_key}:#{time}:#{encoded_signature}"
end
get_row(app_code, table_name, id) click to toggle source
# File lib/dbchain_client/reader.rb, line 21
def get_row(app_code, table_name, id)
  uri = uri_builder("find", app_code, table_name, id)
  response = @rest_lib.rest_get(uri)
  h = JSON.parse(response.body)
  return h['result']
end
querier(app_code, query_hash) click to toggle source
# File lib/dbchain_client/reader.rb, line 28
def querier(app_code, query_hash)
  query = query_hash.to_json
  query = Base58.encode_bin(query)
  uri = uri_builder("querier", app_code, query)
  response = @rest_lib.rest_get(uri)
  h = JSON.parse(response.body)
  return h['result']
end
uri_builder(*args) click to toggle source
# File lib/dbchain_client/reader.rb, line 45
def uri_builder(*args)
  raise "At least one parameter is needed!" if args.size < 1
  access_token = generate_access_code
  args.insert(1, access_token)
  args.unshift(QueryRoot)
  args.join('/')
end