Internal

Validator for the icebergQty field.

Rules:

• icebergQty is optional.
• If present, it must be a Decimal.
• It is only allowed when timeInForce is :GTC or nil.
• It must be less than the quantity value.

Examples

iex> BinanceSpotRest.Validators.IcebergQty.validate(%{icebergQty: Decimal.new("0.5"), timeInForce: :GTC, quantity: Decimal.new("1.0")})
:ok

iex> {:error, %Valpa.Error{field: :timeInForce}} = BinanceSpotRest.Validators.IcebergQty.validate(%{icebergQty: Decimal.new("0.5"), timeInForce: :IOC, quantity: Decimal.new("1.0")})

iex> {:error, %Valpa.Error{field: :icebergQty}} = BinanceSpotRest.Validators.IcebergQty.validate(%{icebergQty: Decimal.new("1.5"), timeInForce: :GTC, quantity: Decimal.new("1.0")})

iex> BinanceSpotRest.Validators.IcebergQty.validate(%{icebergQty: Decimal.new("0.5"), quantity: Decimal.new("1.0")})
:ok

iex> {:error, %Valpa.Error{field: :icebergQty}} = BinanceSpotRest.Validators.IcebergQty.validate(%{icebergQty: "0.5", timeInForce: :GTC, quantity: Decimal.new("1.0")})

iex> {:error, %Valpa.Error{field: :quantity}} = BinanceSpotRest.Validators.IcebergQty.validate(%{icebergQty: Decimal.new("0.5"), timeInForce: :GTC})

iex> BinanceSpotRest.Validators.IcebergQty.validate(%{timeInForce: :GTC, quantity: Decimal.new("1.0")})
:ok

iex> BinanceSpotRest.Validators.IcebergQty.validate(%{})
:ok