Monero::Wallet to access Monero-Wallet-RPC via ruby

monero_wallet.rb

# gem "money"
Money::Currency.register({ :priority            => 1, :iso_code            => "xmr", :iso_numeric         => "846", :name                => "Monero", :symbol              => "XMR", :subunit             => "", :subunit_to_unit     => 1000000000000, :decimal_mark        => ".", :thousands_separator => ""})

class XMR
  def self.new(amount); Money.new(amount, :xmr); end
  def to_s; Money.new(amount, :xmr).format; end
end


class Monero::Wallet

  attr_accessor :host, :port, :username, :password

  def initialize(args={})
    self.host = args.fetch(:host, "192.168.1.226")
    self.port = args.fetch(:port, "18081")
    self.username = args.fetch(:username, "username")
    self.password = args.fetch(:password, "password")
  end

  def getbalance
    curl_request("getbalance")
  end

  def getaddress
    curl_request("getaddress")["address"]
  end

  def getheight
    curl_request("getheight")["height"]
  end

  def query_key(type)
    raise ArgumentError unless ["mnemonic", "view_key"].include?(type.to_s)
    curl_request("query_key", {key_type: type})["key"]
  end

  def make_integrated_address(payment_id = "")
    curl_request("make_integrated_address", {payment_id: payment_id})
  end

  def balance
    XMR.new(getbalance["balance"])
  end

  def unlocked_balance
    XMR.new(getbalance["unlocked_balance"])
  end

  private

  def curl_request(method, params=nil)

    params_string = ""
    if params
      # TODO multi params looping
      k,v = params.first
      params_string = '"'+k.to_s+'": "'+v.to_s+'"'
    end

    data = '{"jsonrpc":"2.0","id":"0","method": "'+method+'", "params": { '+params_string+' } }'
    args = " -s"
    args << " -u #{username}:#{password} --digest"
    args << " -X POST #{base_uri}/json_rpc"
    args << " -d '#{data}'"
    args << " -H 'Content-Type: application/json'"
    json = JSON.parse(`curl #{args}`)
    json["result"]
  end

  def base_uri
    "http://#{host}:#{port}"
  end

end

hey,i have something similar in typescript

https://github.com/dlebrecht/rx-monero-wallet/blob/master/lib/wallet.ts

cheers