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Elixir SDK for the Stellar network.
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lib/tx_build/soroban_credentials.ex
defmodule Stellar.TxBuild.SorobanCredentials do
@moduledoc """
`SorobanCredentials` struct definition.
"""
alias StellarBase.XDR.{SorobanCredentials, SorobanCredentialsType, Void}
alias Stellar.TxBuild.SorobanAddressCredentials
@behaviour Stellar.TxBuild.XDR
@type value :: SorobanAddressCredentials.t() | nil
@type error :: {:error, atom()}
@type validation :: {:ok, any()} | error()
@type type :: :source_account | :address
@type t :: %__MODULE__{type: type(), value: value()}
defstruct [:type, :value]
@allowed_types ~w(source_account address)a
@impl true
def new(value, opts \\ [])
def new([{type, value}], _opts) when type in @allowed_types do
with {:ok, value} <- validate_soroban_credentials({type, value}) do
%__MODULE__{type: type, value: value}
end
end
def new(_value, _opts), do: {:error, :invalid_soroban_credential}
@impl true
def to_xdr(%__MODULE__{type: :source_account, value: nil}),
do: SorobanCredentials.new(Void.new(), SorobanCredentialsType.new())
def to_xdr(%__MODULE__{type: :address, value: value}) do
type = SorobanCredentialsType.new(:SOROBAN_CREDENTIALS_ADDRESS)
value
|> SorobanAddressCredentials.to_xdr()
|> SorobanCredentials.new(type)
end
def to_xdr(_struct), do: {:error, :invalid_struct}
@spec validate_soroban_credentials(tuple()) :: validation()
defp validate_soroban_credentials({:source_account, nil}), do: {:ok, nil}
defp validate_soroban_credentials({:address, %SorobanAddressCredentials{} = value}),
do: {:ok, value}
defp validate_soroban_credentials({type, _value}), do: {:error, :"invalid_#{type}"}
end