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The core package for the Elixium blockchain, containing all the modules needed to run the chain
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lib/utxo.ex
defmodule Elixium.Utxo do
alias Elixium.Utxo
defstruct [:addr, :amount, :txoid]
@moduledoc """
Functionality specific to UTXOs
"""
@doc """
Takes in a utxo received from a peer which may have malicious or extra
attributes attached. Removes all extra parameters which are not defined
explicitly by the utxo struct.
"""
@spec sanitize(Utxo) :: Utxo
def sanitize(unsanitized_utxo) do
struct(Utxo, Map.delete(unsanitized_utxo, :__struct__))
end
@doc """
Returns a hash representation of a given utxo (to be used as an input for
signature)
"""
@spec hash(Utxo) :: binary
def hash(utxo) do
:crypto.hash(:sha256, [utxo.txoid, utxo.addr, :erlang.term_to_binary(utxo.amount)])
end
end