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Elixir SDK for the Stellar network.
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lib/tx_build/claimants.ex
defmodule Stellar.TxBuild.Claimants do
@moduledoc """
`Claimants` struct definition.
"""
alias Stellar.TxBuild.Claimant
alias StellarBase.XDR.Claimants
@behaviour Stellar.TxBuild.XDR
@type t :: %__MODULE__{claimants: list(Claimant.t())}
@type validation :: t() | {:error, atom()}
@type claimants :: Claimant.t() | list(Claimant.t())
@type error :: {:error, atom()}
defstruct [:claimants]
@impl true
def new(claimants \\ [], opts \\ [])
def new(claimants, _opts) do
validate_claimants(%__MODULE__{claimants: []}, claimants)
end
@impl true
def to_xdr(%__MODULE__{claimants: claimants}) do
claimants
|> Enum.map(&Claimant.to_xdr/1)
|> Claimants.new()
end
@spec validate_claimants(claimants :: t(), list :: claimants()) :: validation()
defp validate_claimants(%__MODULE__{} = path, []), do: path
defp validate_claimants(%__MODULE__{} = path, [claimant | claimants]) do
case claimant do
%Claimant{} = claimant ->
path
|> validate_claimants(claimant)
|> validate_claimants(claimants)
_error ->
{:error, :invalid_claimant}
end
end
defp validate_claimants(%__MODULE__{claimants: claimants} = path, %Claimant{} = claimant) do
%{path | claimants: claimants ++ [claimant]}
end
end