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Elixir SDK for the Stellar network.
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lib/tx_build/sc_contract_code.ex
defmodule Stellar.TxBuild.SCContractCode do
@moduledoc """
`SCContractCode` struct definition.
"""
@behaviour Stellar.TxBuild.XDR
alias StellarBase.XDR.{Hash, SCContractCode, SCContractCodeType, Void}
@type type :: :wasm_ref | :token
@type value :: binary() | :token
@type validation :: {:ok, value()} | {:error, atom()}
@type t :: %__MODULE__{
type: type(),
value: value()
}
defstruct [:type, :value]
@impl true
def new(args, opts \\ nil)
def new(:token, _opts), do: %__MODULE__{type: :token, value: nil}
def new([{:wasm_ref, value}], _opts) do
with {:ok, _value} <- validate_sc_contract_code({:wasm_ref, value}) do
%__MODULE__{
type: :wasm_ref,
value: value
}
end
end
def new(_args, _opts), do: {:error, :invalid_sc_contract_code}
@impl true
def to_xdr(%__MODULE__{type: :wasm_ref, value: value}) do
type = SCContractCodeType.new(:SCCONTRACT_CODE_WASM_REF)
value
|> Hash.new()
|> SCContractCode.new(type)
end
def to_xdr(%__MODULE__{type: :token, value: nil}) do
type = SCContractCodeType.new(:SCCONTRACT_CODE_TOKEN)
void = Void.new()
SCContractCode.new(void, type)
end
def to_xdr(_error), do: {:error, :invalid_sc_contract_code}
@spec validate_sc_contract_code(tuple()) :: validation()
defp validate_sc_contract_code({:wasm_ref, value}) when is_binary(value), do: {:ok, value}
defp validate_sc_contract_code({:wasm_ref, _value}), do: {:error, :invalid_contract_hash}
end