yatender-oktalk

defmodule Alpha.Application do
  ...
  def start(_type, _start) do
_ = OpenTelemetry.register_application_tracer(:alpha)

    children = [
      # Starts a worker by calling: Alpha.Worker.start_link(arg)
      # {Alpha.Worker, arg}
    ]

yatender-oktalk

defmodule Alpha do
  @moduledoc """
  Documentation for `Alpha`.
  """

  require OpenTelemetry.Tracer

  def start_call() do
    OpenTelemetry.Tracer.with_span "alpha-span" do
      delay = 100

yatender-oktalk

defmodule ExChain.BlockChain.Block do
  @moduledoc """
    This module is the single block struct in a blockchain
  """
  
  defstruct ~w(timestamp last_hash hash data)a
 end

yatender-oktalk

defmodule ExChain.BlockChain.Block do
  @moduledoc """
    This module is the single block struct in a blockchain
  """
    alias __MODULE__

  @type t :: %Block{
          timestamp: pos_integer(),
          last_hash: String.t(),
          hash: String.t(),

yatender-oktalk

defmodule ExChain.Blockchain.BlockTest do
  @moduledoc """
  This module contains test related to a block
  """

  use ExUnit.Case
  alias ExChain.BlockChain.Block

  describe "block" do
    test "genesis is valid" do

yatender-oktalk

defmodule ExChain.BlockChain.Block do
  @moduledoc """
  This module is the single block struct in a blockchain
  """

  alias __MODULE__

  @type t :: %Block{
          timestamp: pos_integer(),
          last_hash: String.t(),

yatender-oktalk

defmodule ExChain.BlockChain.Block do
  @moduledoc """
  This module is the single block struct in a blockchain
  """

  alias __MODULE__

  @type t :: %Block{
          timestamp: pos_integer(),
          last_hash: String.t(),

yatender-oktalk

defmodule ExChain.Blockchain.BlockTest do
  @moduledoc """
  This module contains test related to a block
  """

  use ExUnit.Case
  alias ExChain.Blockchain.Block

  describe "block" do
    test "genesis is valid" do

yatender-oktalk

defmodule ExChain.BlockchainTest do
  @moduledoc """
  This module contains test related to a blockchain
  """

  use ExUnit.Case

  alias ExChain.Blockchain
  alias ExChain.Blockchain.Block

yatender-oktalk

defmodule ExChain.Blockchain do
  @moduledoc """
  This module contains the blockchain related functions
  """
  alias __MODULE__
  alias ExChain.Blockchain.Block

  defstruct ~w(chain)a

  @type t :: %Blockchain{