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Elixir SDK for the Stellar network.
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lib/tx_build/assets_path.ex
defmodule Stellar.TxBuild.AssetsPath do
@moduledoc """
`AssetsPath` struct definition.
"""
alias Stellar.TxBuild.Asset
alias StellarBase.XDR.Assets
@behaviour Stellar.TxBuild.XDR
@type assets :: Asset.t() | list(Asset.t())
@type error :: {:error, atom()}
@type t :: %__MODULE__{assets: list(Asset.t())}
defstruct [:assets]
@impl true
def new(assets \\ [], opts \\ [])
def new(assets, _opts) do
build_path(%__MODULE__{assets: []}, assets)
end
@impl true
def to_xdr(%__MODULE__{assets: assets}) do
assets
|> Enum.map(&Asset.to_xdr/1)
|> Assets.new()
end
@spec build_path(path :: t(), assets :: assets()) :: t() | error()
defp build_path(%__MODULE__{} = path, []), do: path
defp build_path(%__MODULE__{} = path, [asset | assets]) do
with %Asset{} = asset <- Asset.new(asset) do
path
|> build_path(asset)
|> build_path(assets)
end
end
defp build_path(%__MODULE__{assets: assets} = path, %Asset{} = asset) do
%{path | assets: assets ++ [asset]}
end
end