Sha256: 2212730eed5192f5579075b77757f210951ba892d73380c582101eb7d741f47a
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Versions: 18
Compression:
Stored size: 1.2 KB
Contents
module Etherlite::Contract
class Function
attr_reader :name, :inputs, :outputs
def initialize(_name, _inputs, _outputs, _payable, _constant)
@name = _name
@inputs = _inputs
@outputs = _outputs
@payable = _payable
@constant = _constant
end
def constant?
@constant
end
def payable?
@payable
end
def signature
@signature ||= begin
arg_signatures = @inputs.map &:signature
"#{@name}(#{arg_signatures.join(',')})"
end
end
def encode(_values)
if _values.length != @inputs.count
raise ArgumentError, "Expected #{@inputs.count} arguments, got #{_values.length} "
end
encoded_inputs = Etherlite::Support::Array.encode(@inputs.map(&:type), _values)
if @name
signature_hash = Etherlite::Utils.sha3 signature
'0x' + signature_hash[0..7] + encoded_inputs
else
encoded_inputs # if no name is provided, just render arguments
end
end
def decode(_connection, _data)
return nil if @outputs.empty?
result = Etherlite::Support::Array.decode(_connection, @outputs, _data[2..-1])
result.length > 1 ? result : result[0]
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems