Class: EthereumContractABI::ContractInterface::AbiTypes::Int

Inherits:
BaseType
  • Object
show all
Defined in:
lib/ethereum-contract-abi/contract/abi_types/int.rb

Direct Known Subclasses

Uint

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseType

#bytesize, #is_type_equal

Constructor Details

#initialize(bits = 256) ⇒ Int

Returns a new instance of Int.

Raises:

  • (ArgumentError) 


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# File 'lib/ethereum-contract-abi/contract/abi_types/int.rb', line 12

def initialize(bits = 256)
  raise ArgumentError.new("8 must be a factor of bits") unless bits % 8 === 0
  @bits = bits
end

Class Method Details

.from_string(string_type) ⇒ Object 



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# File 'lib/ethereum-contract-abi/contract/abi_types/int.rb', line 40

def self.from_string(string_type)
  /(?<is_int>^int)(?<bits>\d+)?/ =~ string_type
  return nil unless is_int
  bits ? self.new(bits.to_i) : self.new
end

Instance Method Details

#decode_value(value) ⇒ Object 



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# File 'lib/ethereum-contract-abi/contract/abi_types/int.rb', line 36

def decode_value(value)
  IntDecoder.decode(value)
end

#encode_value(number) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ethereum-contract-abi/contract/abi_types/int.rb', line 31

def encode_value(number)
  raise ArgumentError unless valid_value?(number)
  IntEncoder.encode(number)
end

#is_dynamic ⇒ Object 



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# File 'lib/ethereum-contract-abi/contract/abi_types/int.rb', line 17

def is_dynamic
  false
end

#to_s ⇒ Object 



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# File 'lib/ethereum-contract-abi/contract/abi_types/int.rb', line 21

def to_s
  "int#{@bits}"
end

#valid_value?(number) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ethereum-contract-abi/contract/abi_types/int.rb', line 25

def valid_value?(number)
  return false unless number.is_a? Numeric
  return false unless number.bit_length <= @bits
  true
end