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Elixir SDK for the Stellar network.
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lib/tx_build/ledger/contract_code.ex
defmodule Stellar.TxBuild.Ledger.ContractCode do
@moduledoc """
`ContractCode` struct definition.
"""
alias StellarBase.XDR.{ContractEntryBodyType, Hash, LedgerKeyContractCode}
@behaviour Stellar.TxBuild.XDR
@type error :: {:error, atom()}
@type validation :: {:ok, any()} | error()
@type hash :: String.t()
@type body_type :: :data_entry | :expiration_ext
@type t :: %__MODULE__{
hash: hash(),
body_type: body_type()
}
defstruct [:hash, :body_type]
@allowed_body_types ~w(data_entry expiration_ext)a
@impl true
def new(args, opts \\ [])
def new(
[
{:hash, hash},
{:body_type, body_type}
],
_opts
)
when is_binary(hash) and body_type in @allowed_body_types do
%__MODULE__{
hash: hash,
body_type: body_type
}
end
def new(_value, _opts), do: {:error, :invalid_ledger_key_args}
@impl true
def to_xdr(%__MODULE__{
hash: hash,
body_type: body_type
}) do
body_type = body_type_to_xdr(body_type)
hash
|> Hash.new()
|> LedgerKeyContractCode.new(body_type)
end
def to_xdr(_struct), do: {:error, :invalid_struct}
@spec body_type_to_xdr(atom()) :: ContractEntryBodyType.t()
defp body_type_to_xdr(:data_entry), do: ContractEntryBodyType.new(:DATA_ENTRY)
defp body_type_to_xdr(:expiration_ext), do: ContractEntryBodyType.new(:EXPIRATION_EXTENSION)
end