Class: Ipfs::Multihash

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

Constant Summary collapse

DEFAULT_LENGTH = 
46
VALID_DIGEST_LENGTH = 
'm'
FUNCTION_TYPE_CODE = 
{
  sha256: 'Q'
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ Multihash

Returns a new instance of Multihash.

Raises:



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# File 'lib/multihash.rb', line 14

def initialize(hash)
  @hash_func_type = hash[0]
  @digest_length = hash[1]
  @digest_value = hash[2..-1]

  raise Ipfs::Error::InvalidMultihash, "The hash '#{raw}' is invalid." unless valid?
end

Instance Attribute Details

#digest_length ⇒ Object (readonly)

Returns the value of attribute digest_length.



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# File 'lib/multihash.rb', line 6

def digest_length
  @digest_length
end

#digest_value ⇒ Object (readonly)

Returns the value of attribute digest_value.



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# File 'lib/multihash.rb', line 6

def digest_value
  @digest_value
end

#hash_func_type ⇒ Object (readonly)

Returns the value of attribute hash_func_type.



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# File 'lib/multihash.rb', line 6

def hash_func_type
  @hash_func_type
end

Instance Method Details

#raw ⇒ Object Also known as: to_s 



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# File 'lib/multihash.rb', line 22

def raw
  "#{@hash_func_type}#{@digest_length}#{@digest_value}"
end