class Harmony::Api::Client

Attributes

api_version[RW]
configuration[RW]
connection[RW]
headers[RW]
payload[RW]
url[RW]

Public Class Methods

new(network: :mainnet, shard: 0, configuration: ::Harmony::Api.configuration, options: {}) click to toggle source
# File lib/harmony/api/client.rb, line 8
def initialize(network: :mainnet, shard: 0, configuration: ::Harmony::Api.configuration, options: {})
  self.configuration = configuration

  set_url(network, shard)
  set_defaults
  set_connection
end

Public Instance Methods

log(tag = self.class.name, message) click to toggle source
# File lib/harmony/api/client.rb, line 82
def log(tag = self.class.name, message)
  puts "[#{tag}] - #{Time.now}: #{message}" if configuration.verbose
end
post(method, params: []) click to toggle source
# File lib/harmony/api/client.rb, line 51
def post(method, params: [])
  versioned_method = api_version.eql?(1) ? "hmy_#{method}" : "hmyv#{version}_#{method}"

  data = payload.merge(
    method: versioned_method,
    params: params
  )

  response = connection.post do |request|
    if headers && !headers.empty?
      request.headers = connection.headers.merge(headers)
    end
    request.body = data if data && !data.empty?
  end
end
response(resp) click to toggle source
# File lib/harmony/api/client.rb, line 67
def response(resp)
  if resp.success?
    resp  = resp&.body

    error = resp&.fetch('error', {})
    unless error.empty?
      raise ::Harmony::Api::Error, "#{error.fetch('message', '')} (#{error.fetch('code', -1)})"
    end

    resp&.fetch('result')
  else
    raise ::Harmony::Api::Error, "Failed to send request to #{self.url}"
  end
end
set_connection() click to toggle source
# File lib/harmony/api/client.rb, line 27
def set_connection
  self.connection = ::Faraday.new(url) do |builder|
    if configuration.faraday.fetch(:timeout, nil)
      builder.options[:timeout]         =   configuration.faraday.fetch(:timeout, nil)
    end
    if configuration.faraday.fetch(:open_timeout, nil)
      builder.options[:open_timeout]    =   configuration.faraday.fetch(:open_timeout, nil)
    end

    builder.headers = headers if headers && !headers.empty?

    builder.request :json

    if configuration.verbose
      builder.response :logger, ::Logger.new(STDOUT), bodies: true
    end
    builder.response :json, content_type: /\bjson$/

    builder.use ::FaradayMiddleware::FollowRedirects, limit: 10

    builder.adapter configuration.faraday.fetch(:adapter, ::Faraday.default_adapter)
  end
end
set_defaults() click to toggle source
# File lib/harmony/api/client.rb, line 20
def set_defaults
  self.payload = {
    jsonrpc: '2.0',
    id: 1
  }
end
set_url(network, shard) click to toggle source
# File lib/harmony/api/client.rb, line 16
def set_url(network, shard)
  self.url = configuration.networks[network][:url] % shard
end