Class: Hashtastic::EthereumSHA3

Inherits:
Object
  • Object
show all
Defined in:
lib/hashtastic/ethereum_sha3.rb

Class Method Summary collapse

Class Method Details

.call(*values) ⇒ Object Also known as: digest 



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# File 'lib/hashtastic/ethereum_sha3.rb', line 6

def call(*values)
  values = values.flatten.map do |value|
    if value.is_a?(String)
      if value[0..1] == '0x'
        value[2..-1]
      else
        value.unpack('H*')
      end
    elsif value.is_a?(Numeric)
      value.to_s(16).rjust(64, '0')
    else
      ''
    end
  end

  "0x#{Digest::SHA3.hexdigest(packed_values(values), 256)}"
end

.packed_values(values) ⇒ Object 



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# File 'lib/hashtastic/ethereum_sha3.rb', line 24

def packed_values(values)
  [values.join].pack('H*')
end