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Elixir SDK for the Stellar network.
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lib/tx_build/invoke_contract_args.ex
defmodule Stellar.TxBuild.InvokeContractArgs do
@moduledoc """
`InvokeContractArgs` struct definition.
"""
import Stellar.TxBuild.Validations,
only: [validate_sc_vals: 1, validate_address: 1]
alias StellarBase.XDR.{InvokeContractArgs, SCSymbol}
alias Stellar.TxBuild.{SCAddress, SCVal, SCVec}
@behaviour Stellar.TxBuild.XDR
@type error :: {:error, atom()}
@type validation :: {:ok, any()} | error()
@type contract_address :: SCAddress.t()
@type function_name :: String.t()
@type args :: list(SCVal.t())
@type t :: %__MODULE__{
contract_address: contract_address(),
function_name: function_name(),
args: args()
}
defstruct [:contract_address, :function_name, :args]
@impl true
def new(args, opts \\ [])
def new(args, _opts) when is_list(args) do
contract_address = Keyword.get(args, :contract_address)
function_name = Keyword.get(args, :function_name)
function_args = Keyword.get(args, :args)
with {:ok, contract_address} <- validate_address(contract_address),
{:ok, function_name} <- validate_function_name(function_name),
{:ok, function_args} <- validate_sc_vals({:vals, function_args}) do
%__MODULE__{
contract_address: contract_address,
function_name: function_name,
args: function_args
}
end
end
def new(_value, _opts), do: {:error, :invalid_soroban_auth_contract_function_args}
@impl true
def to_xdr(%__MODULE__{
contract_address: contract_address,
function_name: function_name,
args: args
}) do
function_name = SCSymbol.new(function_name)
args =
args
|> SCVec.new()
|> SCVec.to_xdr()
contract_address
|> SCAddress.to_xdr()
|> InvokeContractArgs.new(function_name, args)
end
def to_xdr(_struct), do: {:error, :invalid_struct}
@spec validate_function_name(function_name :: function_name()) :: validation()
defp validate_function_name(function_name) when is_binary(function_name),
do: {:ok, function_name}
defp validate_function_name(_function_name), do: {:error, :invalid_function_name}
end