Class: Etherlite::Contract::Function

Inherits:
Object
  • Object
show all
Defined in:
lib/etherlite/contract/function.rb,
lib/etherlite/commands/contract/function/encode_arguments.rb

Defined Under Namespace

Classes: EncodeArguments

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_name, _args, returns: nil, payable: false, constant: false) ⇒ Function

Returns a new instance of Function.



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# File 'lib/etherlite/contract/function.rb', line 7

def initialize(_name, _args, returns: nil, payable: false, constant: false)
  @name = _name
  @args = _args

  @returns = returns
  @payable = payable
  @constant = constant
end

Instance Attribute Details

#args ⇒ Object (readonly)

Returns the value of attribute args.



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# File 'lib/etherlite/contract/function.rb', line 5

def args
  @args
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/etherlite/contract/function.rb', line 5

def name
  @name
end

Instance Method Details

#constant? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/etherlite/contract/function.rb', line 16

def constant?
  @constant
end

#decode(_connection, _values) ⇒ Object 



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# File 'lib/etherlite/contract/function.rb', line 38

def decode(_connection, _values)
  # TODO: decode return values
  _values
end

#encode(_values) ⇒ Object 



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# File 'lib/etherlite/contract/function.rb', line 31

def encode(_values)
  signature_hash = Etherlite::Utils.sha3 signature
  encoded_args = EncodeArguments.for subtypes: @args, values: _values

  '0x' + signature_hash[0..7] + encoded_args
end

#payable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/etherlite/contract/function.rb', line 20

def payable?
  @payable
end

#signature ⇒ Object 



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# File 'lib/etherlite/contract/function.rb', line 24

def signature
  @signature ||= begin
    arg_signatures = @args.map &:signature
    "#{@name}(#{arg_signatures.join(',')})"
  end
end