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soroban

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Elixir library to interact with the Soroban-RPC server, and facilitate the deployment and invocation of Soroban smart contracts.

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soroban lib rpc endpoints simulate_transaction.ex
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lib/rpc/endpoints/simulate_transaction.ex 

defmodule Soroban.RPC.SimulateTransaction do

  @moduledoc """

  SimulateTransaction request implementation for Soroban RPC.

  """

  @behaviour Soroban.RPC.Endpoint.Spec



  alias Soroban.RPC.{Request, SimulateTransactionResponse}



  @endpoint "simulateTransaction"



  @impl true

  def request(server, args) do

    params = get_params(args[:transaction], args[:addl_resources])



    server

    |> Request.new(@endpoint)

    |> Request.add_headers([{"Content-Type", "application/json"}])

    |> Request.add_params(params)

    |> Request.perform()

    |> Request.results(as: SimulateTransactionResponse)

  end



  defp get_params(transaction, nil), do: %{transaction: transaction}

  defp get_params(transaction, []), do: %{transaction: transaction}



  defp get_params(transaction, cpu_instructions: cpu_instructions),

    do: %{transaction: transaction, resourceConfig: %{instructionLeeway: cpu_instructions}}

end