tigerbeetlex

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# This file was auto-generated by elixir_bindings.zig #
#              Do not manually modify.                #
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defmodule TigerBeetlex.Transfer do
  @moduledoc """
  See [Transfer](https://docs.tigerbeetle.com/reference/transfer#).
  """

  use TypedStruct

  alias TigerBeetlex.TransferFlags

  typedstruct do
    field :id, <<_::128>>, default: <<0::size(128)>>
    field :debit_account_id, <<_::128>>, default: <<0::size(128)>>
    field :credit_account_id, <<_::128>>, default: <<0::size(128)>>
    field :amount, non_neg_integer(), default: 0
    field :pending_id, <<_::128>>, default: <<0::size(128)>>
    field :user_data_128, <<_::128>>, default: <<0::size(128)>>
    field :user_data_64, non_neg_integer(), default: 0
    field :user_data_32, non_neg_integer(), default: 0
    field :timeout, non_neg_integer(), default: 0
    field :ledger, non_neg_integer(), default: 0
    field :code, non_neg_integer(), default: 0
    field :flags, TransferFlags.t(), default: %TransferFlags{}
    field :timestamp, non_neg_integer(), default: 0
  end

  @doc "The maximum amount for a transfer. Used in Two-Phase transfers to post the full pending amount."
  def amount_max do
    Integer.pow(2, 128) - 1
  end

  @doc """
  Creates a `TigerBeetlex.Transfer` struct from its binary representation.
  """
  @spec from_binary(binary :: <<_::1024>>) :: t()
  def from_binary(<<_::binary-size(128)>> = bin) do
    <<
      id::binary-size(16),
      debit_account_id::binary-size(16),
      credit_account_id::binary-size(16),
      amount::unsigned-little-128,
      pending_id::binary-size(16),
      user_data_128::binary-size(16),
      user_data_64::unsigned-little-64,
      user_data_32::unsigned-little-32,
      timeout::unsigned-little-32,
      ledger::unsigned-little-32,
      code::unsigned-little-16,
      flags::binary-size(2),
      timestamp::unsigned-little-64
    >> = bin

    %__MODULE__{
      id: id,
      debit_account_id: debit_account_id,
      credit_account_id: credit_account_id,
      amount: amount,
      pending_id: pending_id,
      user_data_128: user_data_128,
      user_data_64: user_data_64,
      user_data_32: user_data_32,
      timeout: timeout,
      ledger: ledger,
      code: code,
      flags: TransferFlags.from_binary(flags),
      timestamp: timestamp
    }
  end

  @doc """
  Converts a `TigerBeetlex.Transfer` struct to its binary representation.
  """
  @spec to_binary(struct :: t()) :: <<_::1024>>
  def to_binary(struct) do
    %__MODULE__{
      id: id,
      debit_account_id: debit_account_id,
      credit_account_id: credit_account_id,
      amount: amount,
      pending_id: pending_id,
      user_data_128: user_data_128,
      user_data_64: user_data_64,
      user_data_32: user_data_32,
      timeout: timeout,
      ledger: ledger,
      code: code,
      flags: flags,
      timestamp: timestamp
    } = struct

    <<
      id::binary-size(16),
      debit_account_id::binary-size(16),
      credit_account_id::binary-size(16),
      amount::unsigned-little-128,
      pending_id::binary-size(16),
      user_data_128::binary-size(16),
      user_data_64::unsigned-little-64,
      user_data_32::unsigned-little-32,
      timeout::unsigned-little-32,
      ledger::unsigned-little-32,
      code::unsigned-little-16,
      TransferFlags.to_binary(flags)::binary-size(2),
      timestamp::unsigned-little-64
    >>
  end
end